Zhou Zhaodi

Bio: Zhou Zhaodi is an academic researcher. The author has contributed to research in topics: Pile & Drill. The author has an hindex of 8, co-authored 521 publications receiving 771 citations.

Method for butting concrete prefabricated member consisting of prefabricated member connector

Abstract: The invention relates to a prefabricated member connector and a method for butting a concrete prefabricated member consisting of the same. The bottom of a large screw cap is provided with a hole, the upset head of a steel bar is blocked in the hole, a spring is positioned in the large screw cap, one end of the spring is contacted with the upset head, the other end of the spring is contacted with a split collar, and a medium hole screw cap is screwed into the large screw cap, wherein the lower end of the medium hole screw cap is elastically matched with the split collar, and the edge of the medium hole screw cap is blocked at the end face of the large screw cap; an insertion rod has an integrated structure consisting of an insertion head, an insertion neck and an insertion body, wherein the circle area of the bottom of the insertion head is greater than the diameter of the insertion neck integrated with the insertion head, and an annular insertion neck clamping table is formed at the bottom of the insertion head; and the insertion body of the insertion rod is screwed with a small screw cap. The invention has the advantages that: 1, the strong tensile strength among insertion piecesgreatly exceeds the international standard; 2, breakage of butted pieces is radically solved; and 3, the sealing problem of the insertion pieces is thoroughly solved, the reliability of insertion andconnection between the prefabricated members is ensured, and the reliability of a building foundation is ensured.

Upper screw lower connecting pile fastener and precast member

Abstract: The invention involves a kind of tube column to meet the buckle, as well as uses with the time mouth constitution pre-stressed high strength pre- workpiece and -odd in view of the fact that with the between between connection structure and the connection method, is the pre- workpiece to meet buckles with the pre- workpiece manufacture domain. On under the spiral goes against pile extension buckles by pulls the cap nut, inflates the screw and goes against pulls the cap nut constitution, pulls the cap nut screw together in the spiral which inflates the screw wire shorts, inflates the screw the inflation measure expansion in to go against pulls in the cap nut in the inflation cavity, when pile extension, demands the collection attire two maybe certain to pull the cap nut with the between nose minute to buckle goes against pulls the cap nut mouth which corresponds with the prefabrication, inflates the screw the spiral wire shorts screw together in pulls the cap nut screw thread in, Inflates the screw the inflation to carefully examine like goes against pulls the cap nut the inflation cavity also the inflation sells under the function in its nose to inflate in goes against pulls the cap nut in the inflation cavity, completes docking between the pre- workpiece and pre- workpiece.

Cutting-free fast tearing butt coupler and butt joint piece

Abstract: The invention relates to a cutting-free fast tearing butt coupler and a butt joint piece, as well as a fabricated part formed by the cutting-free fast tearing butt coupler, a fabricated part formed byThe invention relates to a cutting-free fast tearing butt coupler and a butt joint piece, as well as a fabricated part formed by the cutting-free fast tearing butt coupler, a fabricated part formed by the cutting-free fast butt coupler, and butt joint structure between the fabricated parts, and the invention consists of a raising-pulling screw cap, a support-pulling screw cap and a fabricated partthe cutting-free fast butt coupler, and butt joint structure between the fabricated parts, and the invention consists of a raising-pulling screw cap, a support-pulling screw cap and a fabricated partlongitudinal bar which are positioned at the two ends of the fabricated parts, wherein the raising-pulling screw cap and the support-pulling screw cap have the internal thread structure, the internal longitudinal bar which are positioned at the two ends of the fabricated parts, wherein the raising-pulling screw cap and the support-pulling screw cap have the internal thread structure, the internal thread is tearing screw thread, the center of the cap bottom is provided with a steel bar hole, the periphery of the steel bar hole is a steel bar upset head clamping table, the two ends of the fabrithread is tearing screw thread, the center of the cap bottom is provided with a steel bar hole, the periphery of the steel bar hole is a steel bar upset head clamping table, the two ends of the fabricated part longitudinal bar are upset into the upset head which is clamped and connected on the upset head clamping table, a pressure spring is positioned inside the support-pulling screw cap, one endcated part longitudinal bar are upset into the upset head which is clamped and connected on the upset head clamping table, a pressure spring is positioned inside the support-pulling screw cap, one end of the pressure spring is positioned on the steel bar upset head, the other end thereof is provided with a tapered sleeve formed by two or a plurality of pieces, a screw thread sleeve is rotatably coof the pressure spring is positioned on the steel bar upset head, the other end thereof is provided with a tapered sleeve formed by two or a plurality of pieces, a screw thread sleeve is rotatably connected inside the support-pulling screw cap and locates the displacement on the tampered sleeve, the tail part of a connection-peg is connected with the internal thread of the raising-pulling screw cnnected inside the support-pulling screw cap and locates the displacement on the tampered sleeve, the tail part of a connection-peg is connected with the internal thread of the raising-pulling screw cap, and the head part of the connection-peg has the ball-lacking shape and is matched with the tampered sleeve in an elastic joint way.ap, and the head part of the connection-peg has the ball-lacking shape and is matched with the tampered sleeve in an elastic joint way.

Variable-section hollow square pile

Abstract: The utility model discloses a variable-section hollow square pile. The variable-section hollow square pile comprises square pile bodies. Each square pile body comprises big-section square pile main bodies and small-section square pile main bodies. At least one hollow groove is formed in the square pile body. The two ends of the square pile body are provided with a plurality of connecting pieces enabling the corresponding two adjacent square pile bodies. Each connecting piece comprises a plug assembly and an insertion groove assembly, wherein the plug assembly protrudes from one end of the corresponding convex pile body, the insertion groove assembly is recessed in one end of the corresponding concave pile body, and the plug assembly and the insertion groove assembly are located at the two ends of the corresponding pile body respectively. In addition, when the plug assemblies of one pile body are inserted into the insertion groove assemblies of another pile body, the plug assemblies and the insertion groove assemblies are connected in a sealed mode. The variable-section hollow square pile has the advantages of being convenient to connect, high in corrosion resistance, long in service life, high in uplift bearing capacity, high in material utilization rate and the like.

Clamping table type connecting piece

Abstract: The invention belongs to the technical field of architecture and relates to a clamping table type connecting piece The clamping table type connecting piece comprises a connecting nut The bottom of the connecting nut is provided with a strip-shaped connecting bar A thread sleeve is in screw joint in the connecting nut One end of the thread sleeve is a cylindrical thread sleeve connecting end The other end of the thread sleeve is bifurcated and then forms a plurality of clamping pieces A gap is formed between every two adjacent clamping pieces A channel capable of allowing an insertion rod to be inserted therein is formed in the thread sleeve When the insertion rod is inserted into the thread sleeve, the insertion rod and the thread sleeve are in clamped connection fit through a clamping table mechanism so that the insertion rod can be prevented from being disengaged from the connecting nut An insertion rod positioning part capable of moving up and down in the axial direction of the insertion rod is in screw joint with the insertion rod The insertion rod positioning part can be attached to the thread sleeve tightly by moving the insertion rod positioning part The clamping table type connecting piece can be used for connecting two objects, the connecting piece is convenient to assemble, the connection is convenient and fast, and firmness and reliability are achieved the connection

Method for butting concrete prefabricated member consisting of prefabricated member connector

Abstract: The invention relates to a prefabricated member connector and a method for butting a concrete prefabricated member consisting of the same. The bottom of a large screw cap is provided with a hole, the upset head of a steel bar is blocked in the hole, a spring is positioned in the large screw cap, one end of the spring is contacted with the upset head, the other end of the spring is contacted with a split collar, and a medium hole screw cap is screwed into the large screw cap, wherein the lower end of the medium hole screw cap is elastically matched with the split collar, and the edge of the medium hole screw cap is blocked at the end face of the large screw cap; an insertion rod has an integrated structure consisting of an insertion head, an insertion neck and an insertion body, wherein the circle area of the bottom of the insertion head is greater than the diameter of the insertion neck integrated with the insertion head, and an annular insertion neck clamping table is formed at the bottom of the insertion head; and the insertion body of the insertion rod is screwed with a small screw cap. The invention has the advantages that: 1, the strong tensile strength among insertion piecesgreatly exceeds the international standard; 2, breakage of butted pieces is radically solved; and 3, the sealing problem of the insertion pieces is thoroughly solved, the reliability of insertion andconnection between the prefabricated members is ensured, and the reliability of a building foundation is ensured.

Connecting sleeve, prefabricated part comprising same as well as production method and connecting method thereof

Abstract: The invention provides a connecting sleeve used for a prefabricated part, the prefabricated part comprising the connecting sleeve as well as a production method and a connecting method of the prefabricated part. The connecting sleeve (1) is provided with a hole (10) along the axial direction; the outer wall of the connecting sleeve (1) is provided with external thread, or at least part of the hole (10) is provided with internal thread (101); the hole (10) also comprises a section of taper hole (102) with a cone shape, or is provided with a blocking table (105) arranged along the inner wall of the hole (10); the side wall of the connecting sleeve (1) is also provided with an open slot (11) extending into the hole (10); the open slot (11) passes through the lower end of the connecting sleeve (1) downwards. The connecting sleeve can greatly reduce the production cost of a precast pile, lightens the labor intensity of workers, increases the production efficiency and improves the product quality.

Variable-section hollow square pile

Abstract: The utility model discloses a variable-section hollow square pile. The variable-section hollow square pile comprises square pile bodies. Each square pile body comprises big-section square pile main bodies and small-section square pile main bodies. At least one hollow groove is formed in the square pile body. The two ends of the square pile body are provided with a plurality of connecting pieces enabling the corresponding two adjacent square pile bodies. Each connecting piece comprises a plug assembly and an insertion groove assembly, wherein the plug assembly protrudes from one end of the corresponding convex pile body, the insertion groove assembly is recessed in one end of the corresponding concave pile body, and the plug assembly and the insertion groove assembly are located at the two ends of the corresponding pile body respectively. In addition, when the plug assemblies of one pile body are inserted into the insertion groove assemblies of another pile body, the plug assemblies and the insertion groove assemblies are connected in a sealed mode. The variable-section hollow square pile has the advantages of being convenient to connect, high in corrosion resistance, long in service life, high in uplift bearing capacity, high in material utilization rate and the like.

Clamping table type connecting piece

Abstract: The invention belongs to the technical field of architecture and relates to a clamping table type connecting piece The clamping table type connecting piece comprises a connecting nut The bottom of the connecting nut is provided with a strip-shaped connecting bar A thread sleeve is in screw joint in the connecting nut One end of the thread sleeve is a cylindrical thread sleeve connecting end The other end of the thread sleeve is bifurcated and then forms a plurality of clamping pieces A gap is formed between every two adjacent clamping pieces A channel capable of allowing an insertion rod to be inserted therein is formed in the thread sleeve When the insertion rod is inserted into the thread sleeve, the insertion rod and the thread sleeve are in clamped connection fit through a clamping table mechanism so that the insertion rod can be prevented from being disengaged from the connecting nut An insertion rod positioning part capable of moving up and down in the axial direction of the insertion rod is in screw joint with the insertion rod The insertion rod positioning part can be attached to the thread sleeve tightly by moving the insertion rod positioning part The clamping table type connecting piece can be used for connecting two objects, the connecting piece is convenient to assemble, the connection is convenient and fast, and firmness and reliability are achieved the connection

Backlight module and display device

Abstract: The invention discloses a backlight module and a display device. The backlight module comprises a back plate and light bars. The front surface of the back plate is riveted with riveting columns. The light bars are provided with clamping holes. The surrounding surfaces of the riveting columns are provided with concave areas. The end portions of the riveting columns pass through the clamping holes so that the hole walls of the clamping holes are connected in the concave areas in a clamping mode, and the light bars and the back plate are fixed. According to the backlight module, in the assembly process, the light bars are pressed against the back plate so that the riveting columns can pass through the clamping holes and be connected with the clamping holes in a clamping mode to achieve the fixing of the light bars and the back plate. The operation is simple, the assembly time of the light bars and the back plate are shortened, and the improvement of production efficiency is facilitated.