Provided is an internally supporting and externally clamping type top drive running casing tool driven by an annular hydraulic cylinder. According to the internally supporting and externally clamping type top drive running casing tool driven by the annular hydraulic cylinder, the upper and lower ends of an upper core shaft are provided with screw threads respectively, the upper screw thread of the upper core shaft is connected to a top drive device, and the lower screw thread of the upper core shaft is connected to a lower core shaft; an annular hydraulic oil cylinder system is installed at the outer side of the upper core shaft; the lower end of the annular hydraulic oil cylinder system is connected to a power transmission system; the lower end of the power transmission system is connected to an internally supporting system; the lower end of the internally supporting system is connected to a guiding sealing system; an externally clamping system is arranged at the outside of the guiding sealing system. When the tool works, slips of the internally supporting system tightly support the inner wall of a casing pipe, and slips of the externally clamping system tightly clamps the outer wall of the casing pipe; therefore, the bearing capacity and the screwing on capacity of the top drive running casing tool can be improved. In addition, by using the tool, the casing pipe can be rotated, lifted and placed at any time, the slurry can be circulated at any time, thus the work efficiency and the safety of the running casing are improved, and the composite cost of drilling is reduced.

Internally supporting and externally clamping type top drive running casing tool driven by annular hydraulic cylinder

Provided is a threaded drive full-mechanical top driving casing running tool. A top driving device is connected with the upper end of an upper mandrel in a threaded mode, and a threaded drive system is connected with the lower end of the upper mandrel in a splined mode; a power transmission system is connected to the lower end of the threaded drive system in a bolted mode; a slips system is connected to the lower end of the power transmission system; a guide seal system is connected to the lower end of the slips system in a bolted mode; and a spring system is mounted at the upper end of the slips system. In the working process of the threaded drive full-mechanical top driving casing running tool, the rotary motion of the top driving device is converted into axial driving force of a slips by using a threaded driving principle, so that the slips expands along the wedge surface, and accordingly the purpose that the inner wall of the casing running tool is stretched tightly by the slips can be achieved. The slips is driven by a full-mechanical structure without hydraulic sources, so that the top driving casing running tool is more environment-friendly and safer. Transverse slips inserts and circumferential slips inserts which are intersected are arranged on the slips so that the capability of transmitting top driving torque of the tool can be improved. Meanwhile, rotation, lifting and laying of casings, and slurry recycling can be achieved by using the tool at any time, the working efficiency and the safety of the casing running can be improved, and the comprehensive cost of drilling can be lowered accordingly.

Threaded drive full-mechanical top driving casing running tool

The invention discloses a marble laying tool and a marble laying and pasting method, and aims at providing the marble laying tool and the marble laying and pasting method with the advantages that a dovetail groove can be ground in a marble plate; marble cannot easily fall off; and the construction is easy. The marble laying tool comprises a grinding head and a grinding handle, wherein the grinding head is a cone body with the smaller upper part and the large lower part; the upper end of the cone body is provided with a grinding rod; the grinding handle is arranged at the upper end of the grinding rod; a positioning inner sleeve is arranged on the outer circle of the grinding handle; a locking screw is arranged on the outer circle of the positioning inner sleeve; a bearing is arranged at the lower end of the positioning inner sleeve; and a splayed positioning foot is arranged on the outer circle of the bearing. After the grinding handle is arranged on a power tool, the grinding head is controlled to enter the marble for a certain depth and then to transversely move for grinding the dovetail groove by the positioning foot; when cement mortar is used for paving, the cement mortar can be embedded into the dovetail groove, so that the marble cannot fall off from the laid wall surface and cannot easily become loose from the ground; and the construction is easy.

Marble laying tool and marble laying and pasting method

The invention discloses a quick connection device with a limiting function for a light-duty solar photovoltaic plate, and the device comprises a frame (1) for fixing a solar photovoltaic plate (100), a transition plate (2) which is fixedly connected with the lower surface of the frame (1), a body (3) fixedly installed on a vertical column (200), and radial sliding modules. The device is advantageous in that the device enables the solar photovoltaic plate (100) and the frame (1) to be installed at a lower place because of the setting of the transition plate (2), so the assembly is more convenient; the four groups of radial sliding modules synchronously slide towards the center of a circular truncated cone (31) because of the setting of a reset shaft ring, and enable a pull pin in a position control module to be clamped at a tongue part under the action of a reset spring, thereby achieving the quick limiting of the radial sliding modules, and enabling the operation to be quick and convenient; sliding blocks are enabled to radially move under the action of the springs of the radial sliding modules because of the setting of a press ring, thereby enabling the tongue part to be clamped in the edge of the transition plate (2), and achieving the quick connection and fixing of the device.

Quick connection device with limiting function for light-duty solar photovoltaic plate

The invention provides a motor drive type top drive casing running tool Threads are arranged at the upper end and the lower end of an upper central spindle respectively, the upper thread of the upper central spindle is connected with a top drive device, and the lower thread of the upper central spindle is connected with a lower central spindle A motor drive system is arranged on the outer side of the upper central spindle A bolt at the lower end of the motor drive system is connected with a power transmission system which is internally provided with a slip system During work, a big gear wheel of the motor system converts the rotation movement of a motor into axial driving force of a slip through the thread transmission of the lower end, so that the slip is expanded along a wedge surface, and then the aim that the inner wall of a casing is braced tightly by the slip is achieved By the adoption of motor drive instead of hydraulic drive, the tool is safer and more environmental-friendly; the slip is provided with lateral slip teeth and circumferential slip teeth so that the capacity of the tool to transmit the top drive torque can be improved, wherein the lateral slip teeth and the circumferential slip teeth are staggered; meanwhile, by means of the tool, the casing can be rotated, lifted and laid down at any time, the slurry circulation can be achieved at any time, accordingly the casing running working performance and safety are improved, and the integrated drilling cost is reduced

Motor drive type top drive casing running tool

Provided is a totally-mechanical top-drive casing device by adoption of an externally-clamping mode The periphery of a mandrel (14) is provided with a locking device used for clamping the outer wall of a sleeve pipe (17) The locking device comprises a slip internal cylinder (9), a slip external cylinder and a slip wedge block (11) The joint between the upper end of the mandrel (14) and an upper joint (1) is provided with an upper threaded sleeve (3) The upper end of the slip internal cylinder (9) is provided with a lower threaded sleeve (4) The outside of the slip wedge block (11) is provided with a wedge block body (18) having a guide oblique plane The inner wall of the slip external cylinder is provided with a guide groove having a guide oblique plane The upper end of the slip outer cylinder is connected with the upper joint (1) The slip wedge block (11) is located in a window of a cylindrical wall of the slip internal cylinder (9) The wedge block body (18) outside of the slip internal cylinder is nested into the guide groove of the slip external cylinder A reset spring (10) is arranged between the slip wedge block (11) and the slip internal cylinder (9) The totally-mechanical top-drive casing device by adoption of the externally-clamping mode is advantaged by being reasonable in structure, easy and convenient in operation and great in load and is safe, reliable and highly-efficient

Totally-mechanical top-drive casing device by adoption of externally-clamping mode

A device for honing a deep hole internal conical surface relates to petroleum machinery. The device comprises an adjustable diameter honing head (2) with a honing strip (1) and a honing rod (3) which is connected with the honing head (2), wherein the front end face of the honing strip (1) is an inclined plane which can be machined to form the internal conical surface in the inner cavity of a workpiece, and a universal device is connected between the honing head (2) and the honing rod (3). The device is simple in structure, is convenient to operate, is widely applied, and can be used for basically solving the problem of the machining accuracy of the deep hole internal conical surface.

Device for honing deep hole internal conical surface

Bushing apparatus is driven down on full mechanical type wild card top relates to oil machinery, the periphery of mandrel (14) is equipped with the locking device who is used for chucking sleeve pipe (17) outer wall, locking device includes slips inner tube (9), slips urceolus and slips voussoir (11), mandrel (14) upper end is equipped with thread bush (3) with top connection (1) junction, slips inner tube (9) upper end is equipped with down thread bush (4), slips voussoir (11) outside is equipped with and has the voussoir body (18) of direcing the inclined plane, slips urceolus inner wall is equipped with and has the guide recess of direcing the inclined plane, slips urceolus upper end is connected with top connection (1), slips voussoir (11) are arranged in the window of slips inner tube (9) section of thick bamboo wall, the voussoir body (18) in its outside inlays in the guide recess of slips urceolus, and be equipped with between slips voussoir (11) and slips inner tube (9) reset spring (10). It has that rational in infrastructure, easy operation is convenient, load is big, safe and reliable and efficient advantage.

Bushing apparatus is driven down on full mechanical type wild card top

The invention relates to the technical field of petroleum machinery, in particular to a connecting slip mechanism with a convenient replacement function of a top drive casing descending device. The connecting slip mechanism comprises a slip, a cam pin and a slip outer barrel. The upper end of the slip is fixedly connected with an upper connecting assembly through a thread, a guide block is arranged at the lower end of the slip outer barrel, a cam groove is formed in one side of the guide block, the cam pin is arranged in the slip outer barrel, the slip is arranged between the guide block, thecam pin and the guide groove through a fixing key, and an end shell is arranged at the lower end of the slip outer barrel. A novel connecting slip manner is adopted, the mounting manner of the slip issimple, the slip is not fixedly connected with the slip outer barrel, the structure of a slip inner barrel in the prior art is simplified, the slip can be conveniently and rapidly replaced on site toadapt to casings of different specifications, the replacement time of the slip is effectively shortened, and the working efficiency is improved.

Connecting slip mechanism with convenient replacement function of top drive casing descending device

The invention relates to the technical field of petroleum machines, in particular to an anti-rotation and displacement compensation mechanism for a mechanical outer clamping top drive casing running device The anti-rotation and displacement compensation mechanism comprises an anti-rotation assembly and a displacement compensation assembly, wherein the anti-rotation assembly and the displacement compensation assembly both are arranged on one side of a top drive mechanism, and the anti-rotation assembly is arranged at the upper end of the displacement compensation assembly According to the anti-rotation and displacement compensation mechanism, the displacement compensation assembly is arranged, displacement compensation during makeup of a casing is provided, and the whole upper connectingassembly is not needed to move downwards, so that the resistance during makeup is reduced, the working efficiency is improved, and the service life of the device is prolonged According to the anti-rotation and displacement compensation mechanism, the self-contained special single lifting ring anti-rotation assembly capable of being rapidly mounted is arranged, so that the working efficiency is improved; and the displacement compensation assembly is arranged, and the anti-rotation and displacement compensation mechanism is suitable for axial movement of the casing running device with the displacement compensation function through the cooperation of rolling wheels and a guide rail

Pan Zhiwei

Papers

Totally-mechanical top-drive casing device by adoption of externally-clamping mode

Device for honing deep hole internal conical surface

Bushing apparatus is driven down on full mechanical type wild card top

Connecting slip mechanism with convenient replacement function of top drive casing descending device

Anti-rotation and displacement compensation mechanism for mechanical outer clamping top drive casing running device