CN209999095U

CN209999095U - oil drilling pump piston dismounting tool

Info

Publication number: CN209999095U
Application number: CN201920442695.7U
Authority: CN
Inventors: 不公告发明人
Original assignee: Individual
Current assignee: Hubei Zuoxiang Petroleum Machinery Manufacturing Co ltd
Priority date: 2019-04-03
Filing date: 2019-04-03
Publication date: 2020-01-31
Anticipated expiration: 2029-04-03

Abstract

The utility model discloses a belong to well drilling pump piston dismouting technical field, specifically oil drilling pump piston assembly and disassembly tools, including under bracing base and last support base, the four corners that side was looked with last support base all is through the pillar connection, the upper surface of going up support base is provided with cylinder liner supporting seat and stand, it has seted up logical groove on the body of support base to go up, and the position of logical groove is corresponding with the position of cylinder liner supporting seat, the position lantern ring has been cup jointed on the outer wall of stand, be connected with the sliding sleeve through the support arm on the position lantern ring, vertically be provided with the push rod in the sliding sleeve, through the setting of rocking arm cooperation push rod, can compress tightly the effect of taking out piston in the cylinder liner, and can arrange the upside of cylinder liner in with the piston and compress tightly the installation, convenient operation, the suitability is strong, can carry out manual lever compression effect through rocking arm cooperation push rod, and the length that can external handle adjusted the rocking arm reduces.

Description

oil drilling pump piston dismounting tool

Technical Field

The utility model relates to a drilling pump piston dismouting technical field specifically is kinds of oil drilling pump piston assembly and disassembly tools.

Background

In the drilling construction, due to the problems of high solid phase content of rock debris and the like in drilling fluid, long service time of a cylinder sleeve piston, piston quality and the like, the piston of the drilling pump is damaged by puncture, the piston pull rod spare cap is loose, the water feeding of the pump is poor, the pumping pressure is unstable, and the service efficiency of the drilling pump is influenced, so that the piston assembly or the rubber core and the pull rod spare cap are required to be frequently replaced.

For example, the Chinese patent publication No. CN104260046B relates to oil drilling pump piston disassembling tools, which belongs to the technical field of oil drilling pump piston disassembling tools and consists of a righting rib plate, a screw rod, a rib plate fixing bolt and a screw rod sleeve head, wherein the righting rib plate is provided with a central screw hole, the periphery of the righting rib plate is provided with screw holes corresponding to a slurry pump head, the screw rod is arranged in the central screw hole of the righting rib plate in a threaded manner, the front end of the screw rod is provided with a square joint with a connecting hole, and a sleeve nut, a piston disassembling head and a piston pressing cap can be respectively arranged on the square.

When the existing disassembling tool is used, the operation is not convenient enough, and the labor is consumed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide kinds of oil drilling pump piston assembly and disassembly tools to solve the current extracting tool who proposes in the above-mentioned background art when using, it is not convenient enough to operate, and comparatively consumes the problem of manpower.

In order to achieve the purpose, the utility model provides a oil drilling pump piston assembly and disassembly tools, including under bracing base and upper support base, the four corners that side was looked mutually to under bracing base and upper support base all is through the pillar connection, the upper surface of upper support base is provided with cylinder liner supporting seat and stand, logical groove has been seted up on the body of upper support base, and the position of logical groove corresponds with the position of cylinder liner supporting seat, the position lantern ring has been cup jointed on the outer wall of stand, be connected with the sliding sleeve through the support arm on the position lantern ring, vertically be provided with the push rod in the sliding sleeve, the bottom of push rod is connected with the pressure disk through the round pin axle, the upper end of stand is connected with the rocking arm through the round pin axle.

Preferably, the upper surface of the lower support base is provided with a cushion pad, and the position of the cushion pad is located right below the through groove.

Preferably, the cylinder sleeve supporting seat comprises an opening sleeve and an anti-skid supporting ring formed on the lower side of the opening sleeve by bodies, a cylinder sleeve supporting ring is arranged on the inner wall of the anti-skid supporting ring, and a connecting flange connected with the upper supporting base is arranged on the outer wall of the anti-skid supporting ring.

Preferably, the opening angle of the opening sleeve is greater than or equal to 180 °, and the opening angle of the opening sleeve is less than or equal to 270 °.

Preferably, the cylinder sleeve supporting seat and the push rod are coaxially mounted.

Preferably, the upper side and the lower side of the outer wall of the push rod are both provided with a limiting ring, and a return spring is supported between the limiting ring on the upper side and the sliding sleeve.

Preferably, a limiting groove is formed in the outer wall of the push rod along the axial direction of the push rod, and a limiting block matched with the limiting groove is arranged on the inner wall of the sliding sleeve.

Preferably, the pressure plate comprises a lower plate body and an upper plate body, a connecting shaft is arranged at the center of the lower surface of the upper plate body, a screw rod is arranged at the bottom of the connecting shaft, and the connecting shaft penetrates through the center of the lower plate body and is in threaded connection with a connecting nut through the screw rod.

Preferably, the middle part of the lower surface of the lower disc body is provided with a sinking groove, the connecting nut is positioned in the sinking groove, and sliding balls are uniformly embedded in the edge of the lower surface of the lower disc body.

Compared with the prior art, the beneficial effects of the utility model are that:

1) the rocker arm is matched with the push rod, so that the effect of compressing and taking out the piston in the cylinder sleeve can be realized, the piston can be arranged on the upper side of the cylinder sleeve for compression and installation, the operation is convenient, and the applicability is strong;

2) the rocker arm is matched with the push rod to perform manual lever type pressing action, and the rocker arm can be externally connected with a handle to adjust the length of the rocker arm so as to reduce the labor intensity of a user.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the cylinder liner support seat of the present invention;

fig. 3 is a schematic structural diagram of the pressure plate of the present invention.

In the figure: the support structure comprises a lower support base 1, an upper support base 2, a support column 3, a cushion pad 4, a cylinder sleeve support seat 5, an opening sleeve 51, an anti-skid support ring 52, a cylinder sleeve support ring 53, a connecting flange 54, a vertical column 6, a positioning lantern ring 7, a sliding sleeve 8, a push rod 9, a rocker arm 10, a return spring 11, a pressure plate 12, a lower disc body 121, a sinking groove 122, an upper disc body 123, a connecting shaft 124, a connecting nut 125 and a sliding ball 126.

Detailed Description

The technical solution in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of , but not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example (b):

please refer to fig. 1-3, the utility model provides a technical schemes oil drilling pump piston assembly and disassembly tools, including lower support base 1 and upper support base 2, the four corners of side is all connected through pillar 3 and screw cooperation to lower support base 1 and upper support base 2, the upper surface of upper support base 2 is provided with cylinder liner supporting seat 5 and stand 6, cylinder liner supporting seat 5 and stand 6 all are connected with upper support base 2 through the screw, logical groove has been seted up on the body of upper support base 2, and the position of logical groove corresponds with the position of cylinder liner supporting seat 5, cup jointed the position lantern ring 7 on the outer wall of stand 6, pass through screw location connection between position lantern ring 7 and the stand 6, be connected with sliding sleeve 8 through the support arm on the position lantern ring 7, vertically be provided with push rod 9 in the sliding sleeve 8, the bottom of push rod 9 has pressure disk 12 through the round pin hub connection, the upper end of stand 6 has rocking arm 10 through the round pin.

The upper surface of the lower supporting base 1 is provided with the buffer cushion 4, the buffer cushion 4 is positioned right below the through groove, and the disassembled piston can be received through the arrangement of the buffer cushion 4, so that the piston can be received, and the damage to the piston caused by steps is avoided;

the cylinder sleeve supporting seat 5 comprises an opening sleeve 51 and an anti-skidding supporting ring 52 formed by on the lower side of the opening sleeve 51, a cylinder sleeve supporting ring 53 is arranged on the inner wall of the anti-skidding supporting ring 52, the inner diameter of the cylinder sleeve supporting ring 53 is set to be the same as the diameter of an inner cavity of an operation object cylinder sleeve, so that the cylinder sleeve cannot fall off and a piston can be normally taken out, and a connecting flange 54 connected with the upper supporting base 2 is arranged on the outer wall of the anti-skidding supporting ring 52;

the opening angle of the opening sleeve 51 is greater than or equal to 180 degrees, and the opening angle of the opening sleeve 51 is less than or equal to 270 degrees, so that the opening angle can facilitate the installation of the cylinder sleeve;

the cylinder sleeve supporting seat 5 and the push rod 9 are coaxially arranged;

the upper side and the lower side of the outer wall of the push rod 9 are both provided with a limit ring, a return spring 11 is supported between the limit ring on the upper side and the sliding sleeve 8, the push rod 9 can move upwards to reset under the elastic force action of the return spring 11 through the arrangement of the return spring 11, and the operation steps of lifting the push rod 9 by an operator are reduced;

a limiting groove is formed in the outer wall of the push rod 9 along the axial direction of the push rod 9, a limiting block matched with the limiting groove is arranged on the inner wall of the sliding sleeve 8, and the push rod 9 is prevented from rotating on the sliding sleeve 8 through the matching effect of the limiting groove and the limiting block, so that the contact between the pressure plate 12 on the lower side and the piston is stable;

the pressure plate 12 comprises a lower plate body 121 and an upper plate body 123, a connecting shaft 124 is arranged at the center of the lower surface of the upper plate body 123, a screw is arranged at the bottom of the connecting shaft 124, and the connecting shaft 124 penetrates through the center of the lower plate body 121 and is in threaded connection with a connecting nut 125 through the screw;

the middle of the lower surface of the lower disc body 121 is provided with a sinking groove 122, the connecting nut 125 is positioned in the sinking groove 122, the edge of the lower surface of the lower disc body 121 is uniformly embedded with a sliding ball 126, and the friction between the pressure plate 12 and the piston is reduced by the arrangement of the sliding ball 126.

Transversely moving a cylinder body of a piston to be disassembled from the side of an opening of the opening sleeve 51 into the opening sleeve 51 and downwards pressing the cylinder body into the anti-skidding support ring 52, wherein the cylinder sleeve support ring 53 plays a role of supporting the cylinder body, the right end of the rocker arm 10 is held by hand and rotates anticlockwise, so that the left end of the rocker arm 10 downwards presses the push rod 9, meanwhile, the reset spring 11 is compressed and generates elastic force, the push rod 9 descends and pushes the pressure plate 12 to descend and tightly press the piston to be disassembled in the cylinder body, the piston is pressed out through the cylinder body by continuous downward pressing, the separated piston falls onto the cushion pad 4 through the through groove, an operator overhauls or replaces the piston, the acting force on the rocker arm 10 is removed, and the push rod 9 and the rocker arm 10 are reset under the elastic force of the;

installation: the cylinder body to be provided with the piston is arranged in the cylinder sleeve supporting seat 5 (the installation mode is the same as that in the dismounting step), the piston is arranged on the upper side of the cylinder body, the rocker arm 10 is rotated anticlockwise, so that the rocker arm 10 drives the push rod 9 to press downwards (the installation mode is the same as that in the dismounting step), and the piston is pressed to the inner cavity of the cylinder body.

Having thus shown and described the basic principles and essential features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof, and it is therefore intended that the embodiments be considered as exemplary and not limiting wherever appears, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein and are therefore not to be embraced therein any reference to the appended claims.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

The dismounting tool for the oil drilling pump piston comprises a lower supporting base (1) and an upper supporting base (2), wherein four corners of sides of the lower supporting base (1) and the upper supporting base (2) are connected through pillars (3), and is characterized in that a cylinder sleeve supporting seat (5) and an upright post (6) are arranged on the upper surface of the upper supporting base (2), a through groove is formed in a body of the upper supporting base (2), the position of the through groove corresponds to the position of the cylinder sleeve supporting seat (5), a positioning sleeve ring (7) is sleeved on the outer wall of the upright post (6), the positioning sleeve ring (7) is connected with a support arm sliding sleeve (8) through a support arm, a push rod (9) is longitudinally arranged in the sliding sleeve (8), the bottom end of the push rod (9) is connected with a pressure plate (12) through a pin shaft, and the upper end of the upright post (6) is connected with a rocker arm (10).
2. The oil drilling pump piston dismounting tool is characterized in that the upper surface of the lower support base (1) is provided with a cushion pad (4), and the position of the cushion pad (4) is located right below the through groove.
3. The oil drilling pump piston dismounting tool is characterized in that the cylinder liner supporting seat (5) comprises an open sleeve (51) and an anti-skidding supporting ring (52) which is formed by body on the lower side of the open sleeve (51), a cylinder liner supporting ring (53) is arranged on the inner wall of the anti-skidding supporting ring (52), and a connecting flange (54) connected with the upper supporting base (2) is arranged on the outer wall of the anti-skidding supporting ring (52).
4. oil well pump piston dismantling tool according to claim 3, characterized in that the opening angle of the opening sleeve (51) is equal to or larger than 180 ° and the opening angle of the opening sleeve (51) is equal to or smaller than 270 °.
5. The oil drilling pump piston assembly and disassembly tools of claim 1, wherein the cylinder liner supporting seat (5) and the push rod (9) are coaxially installed.
6. The oil drilling pump piston dismounting tool is characterized in that the upper side and the lower side of the outer wall of the push rod (9) are both provided with a limiting ring, and a return spring (11) is supported between the limiting ring on the upper side and the sliding sleeve (8).
7. The oil drilling pump piston dismounting tool according to claim 1, wherein a limiting groove is formed in the outer wall of the push rod (9) along the axial direction of the push rod (9), and a limiting block matched with the limiting groove is arranged on the inner wall of the sliding sleeve (8).
8. The oil drilling pump piston dismounting tool is characterized in that the pressure plate (12) comprises a lower plate body (121) and an upper plate body (123), a connecting shaft (124) is arranged at the center of the lower surface of the upper plate body (123), a screw is arranged at the bottom of the connecting shaft (124), and the connecting shaft (124) penetrates through the center of the lower plate body (121) and is in threaded connection with a connecting nut (125) through the screw.
9. The oil drilling pump piston dismounting tool is characterized in that a sunken groove (122) is formed in the middle of the lower surface of the lower disc body (121), the connecting nut (125) is located in the sunken groove (122), and sliding balls (126) are uniformly embedded in the edge of the lower surface of the lower disc body (121).