The invention provides an assembly jig for a forklift mast. The assembly jig comprises a bottom plate, an upper beam end portion locating base and an I beam end portion locating base are fixedly arranged at one end of the bottom plate in an abreast mode, an upper combination locating base is fixedly arranged right in front of the upper beam end portion locating base, guide rails are fixedly arranged on the bottom plate and on the two outer sides of the upper combination locating base, stopping block parts are fixedly arranged on the two ends of each guide rail respectively, and a middle beam locating block and a lower combination locating base are sequentially in sliding connection with the guide rails. A height locating base is fixedly arranged right in front of the I beam end portion locating base, and a pair of clamping cylinders are fixedly arranged on the two sides of the upper combination locating base and the lower combination locating base respectively. The assembly jig meets the requirement for assembling an upper beam, a middle beam, a lower beam and an I beam of the mast in a forklift, so that product assembly efficiency and assembly quality are improved. Due to the fact that a middle beam locating block, the upper combination locating base and the lower combination locating base are respectively located in a sliding mode, the opening ranges of locating and supporting rods of the upper combination locating base and the lower combination locating base can be adjusted, assembly of masts of different specifications and types can be achieved through one jig.

Assembly jig for forklift mast

The invention relates to turning platform machine used for welding a box iron rib plate. The turning platform machine comprises a left support, a right support, a base, a turning platform, a driving unit, a turning mechanism and positioning and clamping mechanisms. The left support and the right support are arranged at the left end and the right end of the long edge of the plane of a frame body of the base respectively. The turning platform is of a long crossbeam structure. The driving unit is arranged on the left support. The right stretching-out end of the driving unit is connected with the flange face at the right end of the turning platform. The turning mechanism is arranged on the right support. The left stretching-out end of the turning mechanism is connected with the flange face at the left end of the turning platform. The positioning and clamping mechanisms are arranged on the upper platform face, the lower platform face, the front platform face and the rear platform face of the turning platform respectively. The turning platform machine has the technological effects that the welding space is saved, the labor is saved, and the working efficiency is improved; the turning platform machine can be adjusted according to different products, so that welding of various kinds of box iron is achieved.

Turning platform machine used for welding box iron rib plate

The invention discloses a tool for welding a bottom plate assembly of a driving cab. A tool platform is provided with an overturn positioning device which comprises a base and a positioning plate, wherein the tail end of the positioning plate is articulated with the base through a rotation pin, and an axis of the rotation pin is parallel to an upper surface of the tool platform; and the front end of the positioning plate is provided with a positioning hole in a penetration manner, and a positioning bolt adaptive to a main reference block is internally inserted into the positioning hole. In a work process, the bottom plate is positioned at a proper position on the tool platform, then, a framework beam is placed at a corresponding position of the bottom plate, the main reference block is then fixed with the positioning plate in an overturn state through the positioning bolt, the positioning plate is then overturned around the rotation pin and falls down to make the main reference block locate at the corresponding position of the frame beam, and the corresponding welding assembly operation can be carried out at the moment; and the whole welding process is carried out above the tool platform, so that the convenience in welding assembly of the bottom plate assembly of the driving cab is improved greatly, and the machining efficacy of the tool is improved correspondingly.

Tool for welding bottom plate assembly of driving cab

The invention provides an electronic steering system of a forklift. The electronic steering system of the forklift comprises a steering wheel, a rotating shaft, an angle sensor, a travelling motor, a power-assisted steering motor, a steering axle and a controller, wherein the steering wheel is fixedly connected with one end of the rotating shaft, a rolling bearing is sleeved outside the other end of the rotating shaft and is connected with the angle sensor, the steering axle is provided with a travelling motor, a main shaft and a steering large gear, the power-assisted steering motor is provided with a steering small gear, and the steering small gear is arranged on the shaft of the power-assisted steering motor and engaged with the steering large gear. The electronic steering system of the forklift has the advantages of being stable in operation, prolonging service life and preventing 'hitting of the fork on other places'.

Electronic steering system of forklift

The invention discloses a quick welding device for a forklift mast. The quick welding device comprises a first side frame, a second side frame, a workpiece fixing frame, a first welding gun, a second welding gun, a first telescopic air cylinder, a second telescopic air cylinder, a first driving mechanism, a second driving mechanism and a third driving mechanism. A first crossbeam, a second crossbeam, a first supporting table and a second supporting table are arranged between the first side frame and the second side frame. A first sliding rail and a second sliding rail are arranged on the first supporting table and the second supporting table respectively. The workpiece fixing frame is mounted on the first sliding rail and the second sliding rail and driven by the first driving mechanism. A third sliding rail and a fourth sliding rail are arranged on the first crossbeam and the second crossbeam respectively. A first sliding table and a second sliding table are mounted on the third sliding rail and the fourth sliding rail respectively and are driven by the second driving mechanism and the third driving mechanism respectively. The first telescopic air cylinder and the second telescopic air cylinder are mounted on the first sliding table and the second sliding table respectively. The first welding gun and the second welding gun are connected with the first telescopic air cylinder and the second telescopic air cylinder respectively.

Quick welding device for forklift mast

The utility model discloses an adjustable support for welding an outer portal of a balance weight type forklift, which comprises a rectangular bottom plate Four supporting seats, four portal channel steel positioning plates, two attached plates, two movable discs and two base fixing mechanisms are arranged on the upper surface of the rectangular bottom plate Each supporting seat is provided with a threaded rod Each movable disc is provided with a fixed seat limiting plate The adjustable support for welding the outer portal of the balance weight type forklift has the advantages that welding operation of four levels of outer portals can be realized, generality of the support is improved, and the like

Adjustable support for welding outer portal of balance weight type forklift

The utility model discloses a suspension type assembly structure of a pump motor on an electric forklift truck. The suspension type assembly structure comprises a driving left fixed plate and the pump motor of the electric forklift truck, wherein the pump motor is arranged on a pump motor bracket; the upper end face and the lower end face of the pump motor are respectively provided with an upper fixed plate and a lower fixed plate through flange face bolts; the upper fixed plate is fixedly connected with the pump motor bracket; the lower end of the pump motor is arranged on a lower support of the pump motor; the lower fixed plate is fixedly connected with the lower support of the pump motor; and the upper fixed plate and the lower fixed plate are fixedly arranged on the driving left fixed plate of the electric forklift truck. According to the suspension type assembly structure, the pump motor is arranged in a suspension manner; the structure is rational in design; the utilization rate of an assembly space is increased; and effects of shock absorption and buffering are achieved.

Suspension type assembly structure of pump motor on electric forklift truck

The utility model discloses a multifunctional portal frame welding overturning rack fixture comprising an overturning bracket, wherein an inverted T-shaped rack is fixedly installed on the overturning bracket, an isolating sleeve is installed on the T-shaped rack in a sliding manner, symmetrical rib plates are connected on the isolating sleeve, and stop dogs are connected on the lower surfaces of the rib plates; and threads are processed on the T-shaped rack, nuts are screwed in the threads, and the isolating sleeve can freely rotate and slide on the T-shaped rack. The multifunctional portal frame welding overturning rack fixture disclosed by the utility model is simple in structure and is capable of effectively fixing various portal frames when welding portal frames with different model numbers so as to better overturn the portal frames, and the multifunctional portal frame welding overturning rack fixture is simple and convenient to use, thereby meeting the welding technical demands of forklift portal frames of different tonnages, saving the manufacturing occasion and space and also saving a large number of manufacturing materials.

Multifunctional portal frame welding overturning rack fixture

The utility model discloses a diesel fork lift truck instrument stand which comprises an instrument stand body. A plurality of installing holes are arranged on an outer wall of an installing base at the lower end of the instrument stand body, and the installing holes are waist-shaped holes. By changing original circular holes into the waist-shaped holes, the diesel fork lift truck instrument stand has the advantages of being capable of being adjusted up and down, and easy and convenient to install; and an operating opening of a shift knob is downsized.

Rui Zhang

Papers

Adjustable support for welding outer portal of balance weight type forklift

Suspension type assembly structure of pump motor on electric forklift truck

Multifunctional portal frame welding overturning rack fixture

Diesel fork lift truck instrument stand