CN215333365U

CN215333365U - Mud pump installation pull rod piston assembly device

Info

Publication number: CN215333365U
Application number: CN202121377016.6U
Authority: CN
Inventors: 齐士鹏; 张润程; 赵杰
Original assignee: QINGDAO SHUANGSHENGHAI NEW ENERGY TECHNOLOGY CO LTD
Current assignee: QINGDAO SHUANGSHENGHAI NEW ENERGY TECHNOLOGY CO LTD
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2021-12-28
Anticipated expiration: 2031-06-21

Abstract

The utility model discloses a mud pump installation pull rod piston assembly device which comprises a hollow installation seat, wherein the installation seat is in penetrating rotation connection with a threaded sleeve through a bearing, the threaded sleeve is in threaded connection with an installation threaded rod, the installation threaded rod is in penetrating sliding connection with a top block, the top block is of a hollow structure, the interior of the top block is hermetically sleeved with a gas plate in a sliding manner, one end, located inside the top block, of the installation threaded rod is welded with the gas plate, the side wall of the top block is provided with a plurality of exhaust holes, the bottom wall of the top block is provided with a plurality of suction holes, check valves are arranged in the suction holes, the lower surface of the top block is glued with a plurality of suckers, and the suckers correspond to the suction holes one to one. The piston mounting and taking-out device can complete mounting and taking-out of the piston only through one device, greatly improves the working efficiency, is easier and labor-saving in the mounting and taking-out process, greatly reduces the labor intensity, can be suitable for mud pumps of different specifications, and has stronger practicability.

Description

Mud pump installation pull rod piston assembly device

Technical Field

The utility model relates to the technical field of slurry pumps, in particular to a slurry pump installation pull rod piston assembly device.

Background

In the process of oil exploitation, a slurry pump is a pump body commonly used, and the slurry pump directly conveys an earth surface flushing medium, such as clean water, slurry or polymer flushing fluid, to the bottom end of a drill bit through a high-pressure hose, a water tap and a drill string central hole under a certain pressure so as to achieve the purposes of cooling the drill bit, removing cut rock debris and conveying the rock debris to the earth surface.

In the prior art, a pull rod piston of the existing slurry pump is difficult to install, no special tool is available, the piston is a quick-wear part, the piston needs to be frequently replaced in the using process of the slurry pump, the working efficiency is reduced, the labor intensity of workers is high, and in the taking-out means in the prior art, the cylinder body of a pump body is easily damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides a mud pump installation pull rod piston assembly device.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a mud pump installation pull rod piston assembly device, includes hollow mount pad, the mount pad runs through the bearing and rotates and be connected with the thread bush, thread bush threaded connection has the installation threaded rod, the installation threaded rod runs through sliding connection has the kicking block, the gas board has been cup jointed for hollow structure and inside seal slip, the installation threaded rod is located the inside one end of kicking block and welds with the gas board, a plurality of exhaust holes have been seted up to the kicking block lateral wall, a plurality of suction holes have been seted up to the kicking block diapire, all be provided with the check valve in the suction hole, the veneer of kicking block lower surface has a plurality of sucking discs, sucking disc and suction hole one-to-one.

Preferably, be provided with the actuating mechanism of drive installation threaded rod motion in the mount pad, actuating mechanism includes the master gear, the master gear be located the mount pad inside and with thread bush interference fit, the master gear meshing has the pinion, pinion interference fit has the axis of rotation, the axis of rotation passes through the bearing with the mount pad roof and rotates the connection, the axis of rotation is located the outside one end welding of mount pad and has operating handle.

Preferably, the mount pad lower surface is provided with the fixed establishment that is used for the device to fix, fixed establishment includes the sliding tray, the sliding tray is located mount pad bottom wall symmetry and has seted up two, the mount pad has the slider through sliding tray sliding connection, the clamp splice has all been welded to the slider lower surface, the mount pad lateral wall runs through the bearing and rotates and be connected with two adjusting threaded rod, adjusting threaded rod one end run through extend to the sliding tray that corresponds in and with slider threaded connection, the other end run through extend to the mount pad is outside and the veneer has the regulating wheel.

Preferably, the air suction holes are formed in the bottom wall of the top block in an annular mode, and the included angle between each air suction hole and the corresponding sucker is 60 degrees.

Preferably, the size of the pinion is smaller than that of the main gear, and the outer wall of the operating handle is carved with anti-skid lines.

Preferably, the clamping block is of an arc-shaped structure, the circle center of the clamping block and the circle center of the jacking block are located on the same axis, rubber pads are glued to the side walls of the opposite sides of the clamping block, and anti-skid grains are engraved on the outer wall of the adjusting wheel.

Compared with the prior art, the utility model has the advantages that:

1. the piston can be easily installed and taken out through one device, so that the time for replacing the pull rod piston assembly is greatly saved, the working efficiency is improved, and the damage to the cylinder body in the replacement process is avoided;

2. the large-size main gear is driven to rotate by the small-size pinion, so that the mounting threaded rod is driven to move up and down, the piston assembly is taken out and mounted, labor is saved, and the labor intensity of workers during piston replacement is greatly reduced;

3. through setting up fixed establishment for this device can provide better fixed when piston assembly is changed to the not equidimension pump body, makes this device can be applicable to the use that different specification pump bodies changed the piston, has stronger practicality.

Drawings

FIG. 1 is a schematic exterior view of a slurry pump installation drawbar piston assembly arrangement in accordance with the present invention;

FIG. 2 is a schematic structural view of a slurry pump installation pull rod piston assembly apparatus according to the present invention;

fig. 3 is an enlarged view of a portion a in fig. 2.

In the figure: the device comprises a mounting seat 1, a thread sleeve 2, a threaded rod 3, a jacking block 4, a gas plate 5, an exhaust hole 6, an air suction hole 7, a suction cup 8, a main gear 9, a pinion gear 10, an operating handle 11, a sliding groove 12, a sliding block 13, an adjusting threaded rod 14, an adjusting wheel 15, a clamping block 16 and a rotating shaft 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-3, a mud pump installation pull rod piston assembly device comprises a hollow installation seat 1, the installation seat 1 is connected with a threaded sleeve 2 through a bearing in a penetrating and rotating mode, the threaded sleeve 2 is connected with an installation threaded rod 3 in a threaded mode, the installation threaded rod 3 is connected with a top block 4 in a penetrating and sliding mode, the top block 4 is of a hollow structure, the interior of the top block is sleeved with a gas plate 5 in a sealing and sliding mode, one end, located inside the top block 4, of the installation threaded rod 3 is welded with the gas plate 5, the side wall of the top block 4 is provided with a plurality of exhaust holes 6, the bottom wall of the top block 4 is provided with a plurality of suction holes 7, one-way valves are arranged inside the suction holes 7, the one-way valves inside the suction holes 7 only allow air to be exhausted from the inside of the top block 4 to the outside, the lower surface of the top block 4 is glued with a plurality of suckers 8, the suckers 8 correspond to the suction holes 7 one by one to one, during installation, the piston is pushed into a cylinder body through the top block 4, when the piston is taken out and taken out, adsorb the piston through the sucking disc, then take out the piston, can accomplish the installation of piston fast through a device and take out, greatly reduced time when changing the piston, improved work efficiency.

Be provided with the actuating mechanism of 3 motions of drive installation threaded rod in the mount pad 1, actuating mechanism includes master gear 9, master gear 9 be located 1 inside of mount pad and with 2 interference fit of thread bush, the master gear 9 meshing has pinion 10, pinion 10 interference fit has axis of rotation 17, axis of rotation 17 passes through the bearing with 1 roof of mount pad and rotates the connection, the one end welding that axis of rotation 17 is located 1 outside of mount pad has operating handle 11.

The lower surface of the mounting seat 1 is provided with a fixing mechanism for fixing the device, the fixing mechanism comprises a sliding groove 12, the sliding groove 12 is located at the bottom wall of the mounting seat 1 and is symmetrical and provided with two sliding grooves 12, the mounting seat 1 is connected with a sliding block 13 through the sliding groove 12 in a sliding manner, clamping blocks 16 are welded on the lower surface of the sliding block 13, the side wall of the mounting seat 1 is connected with two adjusting threaded rods 14 through a bearing in a penetrating and rotating manner, one end of each adjusting threaded rod 14 is penetrated and extended into the corresponding sliding groove 12 and is connected with the sliding block 13 in a threaded manner, and the other end of each adjusting threaded rod is penetrated and extended to the outside of the mounting seat 1 and is glued with an adjusting wheel 15.

The suction holes 7 are formed in the bottom wall of the top block 4 in an annular mode, the included angle between each suction hole 7 and each sucker 8 is 60 degrees, the suction holes 7 formed in the annular symmetry and the suckers 8 arranged in the annular symmetry enable the force of the adsorption piston to be more uniform, and damage to a cylinder body caused by piston offset when the cylinder body is taken out is avoided.

The size of the pinion 10 is smaller than that of the main gear 9, anti-slip lines are carved on the outer wall of the operating handle 11, the anti-slip lines on the outer wall prevent slipping in the operating process, the small-sized pinion 10 drives the large-sized main gear 9 to enable operation to be more labor-saving, and labor intensity is greatly reduced.

The clamping block 16 is of an arc-shaped structure, the circle center of the clamping block and the circle center of the jacking block 4 are located on the same axis, the rubber pad is glued on the side wall of the opposite side of the clamping block 16, anti-skid lines are carved on the outer wall of the adjusting wheel 15, the rubber pad prevents slipping in the installation and taking-out process, and the different clamping damages of the pump body are protected.

In the utility model, when the device is required to be used, the device is firstly placed above a cylinder body of a slurry pump, and the two adjusting wheels 15 are simultaneously rotated to enable the adjusting threaded rod 14 to rotate, so that the two clamping blocks 16 are close to each other and are adjusted with the outer wall of the slurry pump until the device is clamped to be fixed;

after the fixation is finished, when the piston needs to be taken out, firstly, the sucker 8 on the lower surface of the top block 4 is contacted with the upper surface of the piston, firstly, the position of the top block 4 is temporarily fixed through a tool, then the operating handle 11 is rotated to enable the rotating shaft 17 to rotate, the rotating shaft 17 drives the pinion 10 in interference fit with the rotating shaft to rotate, the pinion 10 drives the main gear 9 meshed with the pinion to rotate, the main gear 9 rotates to drive the threaded sleeve 2 in interference fit with the main gear to rotate, the threaded sleeve 2 is connected with the installation threaded rod 3 through the thread of the threaded sleeve 2, the installation threaded rod 3 moves upwards, after the gas plate 5 is driven to move upwards for a certain distance, the gas plate 5 sucks the air in the sucker 8 into the top block 4 through the air suction hole 7, so that the negative pressure is generated in the sucker 8 to suck the piston, the fixation of the top block 4 can be loosened, at the moment, the top block 4 is driven to move upwards along with the continuous upward movement of the installation threaded rod 3, the piston can be taken out;

when the piston is required to be installed, the piston is firstly placed in the cylinder body, then the operating handle 11 is rotated reversely, the installation threaded rod 3 moves downwards, the jacking block 4 is in contact with the piston, the gas plate 5 moves upwards, after air in the jacking block 4 is exhausted through the exhaust hole 6, the gas plate 5 drives the jacking block 4 to move downwards, the piston is jacked into the cylinder body, and installation can be completed.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A slurry pump installation pull rod piston assembly device, which comprises a hollow installation seat (1), it is characterized in that the mounting seat (1) is connected with a threaded sleeve (2) through a bearing in a penetrating and rotating way, the threaded sleeve (2) is in threaded connection with an installation threaded rod (3), the installation threaded rod (3) is in penetrating sliding connection with an ejector block (4), the top block (4) is of a hollow structure, the interior of the top block is hermetically sleeved with a gas plate (5) in a sliding manner, one end of the mounting threaded rod (3) positioned in the top block (4) is welded with the gas plate (5), a plurality of exhaust holes (6) are arranged on the side wall of the top block (4), a plurality of air suction holes (7) are arranged on the bottom wall of the top block (4), all be provided with the check valve in suction hole (7), kicking block (4) lower surface veneer has a plurality of sucking discs (8), sucking disc (8) and suction hole (7) one-to-one.

2. The mud pump installation pull rod piston assembly device according to claim 1, wherein a driving mechanism for driving the installation threaded rod (3) to move is arranged in the installation base (1), the driving mechanism comprises a main gear (9), the main gear (9) is arranged inside the installation base (1) and in interference fit with the threaded sleeve (2), the main gear (9) is meshed with a pinion (10), the pinion (10) is in interference fit with a rotating shaft (17), the rotating shaft (17) is rotatably connected with the top wall of the installation base (1) through a bearing, and one end, located outside the installation base (1), of the rotating shaft (17) is welded with an operating handle (11).

3. The mud pump installation pull rod piston assembly device according to claim 1, wherein the lower surface of the installation base (1) is provided with a fixing mechanism for fixing the device, the fixing mechanism comprises a sliding groove (12), the sliding groove (12) is symmetrically arranged on the bottom wall of the installation base (1) and is provided with two, the installation base (1) is slidably connected with a sliding block (13) through the sliding groove (12), clamping blocks (16) are welded on the lower surface of the sliding block (13), the side wall of the installation base (1) is rotatably connected with two adjusting threaded rods (14) through bearings in a penetrating manner, one end of each adjusting threaded rod (14) is penetrated and extended into the corresponding sliding groove (12) and is in threaded connection with the sliding block (13), and the other end of each adjusting threaded rod is penetrated and extended to the outside of the installation base (1) and is glued with an adjusting wheel (15).

4. A slurry pump installation drawbar piston assembly arrangement according to claim 1, characterized in that the suction holes (7) are located in the bottom wall of the top block (4) and are formed annularly, and the angle between each suction hole (7) and the suction cup (8) is 60 °.

5. A slurry pump installation drawbar piston assembly arrangement according to claim 2, characterized in that the pinion (10) is smaller in size than the main gear (9), and the outer wall of the operating handle (11) is engraved with an anti-slip texture.

6. The mud pump installation pull rod piston assembly device as claimed in claim 3, wherein the clamping block (16) is of an arc structure, the circle center of the clamping block and the circle center of the top block (4) are located on the same axis, rubber pads are glued to the side walls of the opposite sides of the clamping block (16), and anti-skid lines are carved on the outer wall of the adjusting wheel (15).