CN212706546U

CN212706546U - Plunger pump valve body rubber ring demolishs instrument for hydraulic fracturing

Info

Publication number: CN212706546U
Application number: CN202021574195.8U
Authority: CN
Inventors: 刘金玲
Original assignee: Chengdu Yingnaiji Energy Co ltd
Current assignee: Chengdu Yingnaiji Energy Co ltd
Priority date: 2020-08-03
Filing date: 2020-08-03
Publication date: 2021-03-16
Anticipated expiration: 2030-08-03

Abstract

The utility model belongs to the technical field of oil gas field development, especially, be a plunger pump valve body rubber ring demolishs instrument for hydraulic fracturing, to adopting to pick up the rubber ring that damages in prior art usually after with hacksaw or gas cutting to cut off, cause the damage of different degrees to valve body self easily, the used repeatedly's of the valve body problem of being not convenient for, now propose following scheme, it includes mounting panel and roof, the top fixed mounting of mounting panel has the valve body, and the outside movable sleeve of the valve body is equipped with valve body gum cover body, and the top and the bottom of roof fixed mounting respectively have handle and connecting plate, and two guide arms are installed in the front side rotation of connecting plate, and the equal fixed mounting in rear side of two guide arms has the worm wheel, and the front side rotation of connecting plate installs the worm. The utility model has the advantages of reasonable design, easy operation, the operation of being convenient for is used, and can effectually avoid appearing the problem that causes the damage to the valve body when demolising valve body gum cover body.

Description

Plunger pump valve body rubber ring demolishs instrument for hydraulic fracturing

Technical Field

The utility model relates to an oil gas field development technical field especially relates to a plunger pump valve body rubber ring demolishs instrument for hydraulic fracturing.

Background

At present, hydraulic fracturing is a common measure for increasing the yield of oil and gas wells at home and abroad, and a used fracturing pump truck realizes the formation of high pressure by extruding liquid by means of opening and closing of a pump valve assembly and a piston cylinder body in a plunger pump. The pump valve assembly (commonly called valve) mainly comprises a valve body and a rubber ring, the valve body serving as a vulnerable part is mostly damaged due to the fact that the rubber ring is worn, aged, loses elasticity and the like, and the rubber ring arranged on the valve body needs to be frequently replaced in the field operation process. The rubber ring and the valve body are assembled in an interference fit mode generally, and the rubber ring is difficult to install and replace.

However, in the prior art, the damaged rubber ring is generally picked up and cut off by a steel saw or a gas-cutting method, so that the valve body is easily damaged to different degrees, and the valve body is inconvenient to reuse, and therefore, a plunger pump valve body rubber ring dismantling tool for hydraulic fracturing is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving and adopting the rubber ring that will damage to pick up the back and cut off with hacksaw or gas cutting usually in prior art, cause the damage of different degrees to the valve body self easily, be not convenient for the used repeatedly's of the valve body shortcoming, and the plunger pump valve body rubber ring demolition tool for hydraulic fracturing who provides.

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

a plunger pump valve body rubber ring dismantling tool for hydraulic fracturing comprises a mounting plate and a top plate, wherein a valve body is fixedly mounted at the top of the mounting plate, a valve body rubber sleeve body is movably sleeved at the outer side of the valve body, a handle and a connecting plate are respectively fixedly mounted at the top and the bottom of the top plate, two guide rods are rotatably mounted at the front side of the connecting plate, worm gears are fixedly mounted at the rear sides of the two guide rods, a worm is rotatably mounted at the front side of the connecting plate, a knob is fixedly mounted at one end of the worm, the worm is meshed with the two worm gears, rotating seats are rotatably mounted at the top ends of the two guide rods, four fixing plates are fixedly mounted at the front side of the connecting plate, the same arc-shaped slide rod is fixedly mounted at one side, close to each other, of the two fixing plates at the same side in the four fixing plates, the two rotating seats are, two ends of the spring are respectively fixedly connected with the rotating seat and the corresponding fixed plate.

Preferably, the front side of the connecting plate is rotatably provided with two rotating rods, and the two guide rods and the two worm gears are respectively and fixedly arranged on the outer sides of the corresponding rotating rods, so that the two guide rods and the two worm gears can be conveniently and rotatably arranged.

Preferably, the front side of the connecting plate is fixedly provided with two clamping plates, and the worm is rotatably arranged on the inner sides of the two clamping plates.

Preferably, the inner side of the clamping plate is fixedly provided with an outer ring of the bearing, and the worm is fixedly sleeved with an inner ring of the bearing, so that the worm is convenient to rotate and install.

Preferably, two sets of helical teeth are arranged on the outer side of the worm, the two sets of helical teeth have the same pitch and are opposite in rotation direction, so that the rotation directions of the two worm wheels are opposite, and the rotation speeds are kept consistent.

Preferably, the connecting rod is rotatably installed on the inner side of the rotating seat, and the top end of the guide rod is fixedly installed on the outer side of the connecting rod, so that the guide rod is conveniently and rotatably connected with the rotating seat.

In the utility model, a plunger pump valve body rubber ring demolishs instrument for hydraulic fracturing, inject the bottom of two guide arms into the gap between the valve body and the valve body gum cover body through handheld handle, then the rotation knob drives the worm to rotate, through the meshing transmission of worm and two worm wheels, and through two sets of helical teeth outside the worm, can drive two worm wheels and rotate relatively, thereby can drive two guide arms and rotate relatively, thereby can be through the elasticity of the valve body gum cover body, can make the valve body gum cover body move up in the outside of two guide arms, thereby can accomplish the demolishment to the valve body gum cover body, and easy operation, the problem of causing the damage to the valve body when having avoided demolishing the valve body gum cover body;

the utility model has the advantages of reasonable design, easy operation, the operation of being convenient for is used, and can effectually avoid appearing the problem that causes the damage to the valve body when demolising valve body gum cover body.

Drawings

Fig. 1 is a schematic structural view of a plunger pump valve body rubber ring dismantling tool for hydraulic fracturing provided by the utility model;

fig. 2 is a schematic structural diagram of a part a of a plunger pump valve body rubber ring dismantling tool for hydraulic fracturing, which is provided by the utility model;

fig. 3 is the utility model provides a plunger pump valve body rubber ring demolishs instrument's for hydraulic fracturing part's schematic structure diagram.

In the figure: 1. mounting a plate; 2. a top plate; 3. a valve body; 4. a valve body rubber sleeve body; 5. a handle; 6. a connecting plate; 7. a guide bar; 8. a worm gear; 9. clamping a plate; 10. a worm; 11. a knob; 12. a rotating seat; 13. a fixing plate; 14. an arc-shaped sliding rod; 15. a spring.

Detailed Description

The technical solutions 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 the present invention, not all embodiments.

Referring to fig. 1-3, a plunger pump valve body rubber ring dismantling tool for hydraulic fracturing comprises an installation plate 1 and a top plate 2, wherein a valve body 3 is fixedly installed at the top of the installation plate 1, a valve body rubber sleeve body 4 is movably sleeved outside the valve body 3, a handle 5 and a connecting plate 6 are respectively and fixedly installed at the top and the bottom of the top plate 2, two guide rods 7 are rotatably installed at the front side of the connecting plate 6, worm gears 8 are fixedly installed at the rear sides of the two guide rods 7, a worm 10 is rotatably installed at the front side of the connecting plate 6, a knob 11 is fixedly installed at one end of the worm 10, the worm 10 is meshed with the two worm gears 8, rotating seats 12 are rotatably installed at the top ends of the two guide rods 7, four fixing plates 13 are fixedly installed at the front side of the connecting plate 6, one side, close to each other, of the two fixing plates 13 on the same side of, the two rotating seats 12 are respectively slidably mounted on the outer sides of the corresponding arc-shaped sliding rods 14, springs 15 are movably sleeved on the outer sides of the two arc-shaped sliding rods 14, and two ends of each spring 15 are respectively fixedly connected with the corresponding rotating seat 12 and the corresponding fixing plate 13.

Two dwangs are installed in the front side rotation of connecting plate 6, two guide arms 7 and two worm wheel 8 respectively fixed mounting are in the corresponding dwang outside, be convenient for rotate two guide arms 7 of installation and two worm wheel 8, the front side fixed mounting of connecting plate 6 has two cardboard 9, worm 10 rotates the inboard of installing at two cardboard 9, the inboard fixed mounting of cardboard 9 has the outer lane of bearing, worm 10 cup joints with the inner circle of bearing is fixed, be convenient for rotate installation worm 10, the outside of worm 10 is equipped with two sets of helical teeth, two sets of helical tooth pitch are the same, and revolve to opposite, make two worm wheel 8's direction of rotation opposite, and rotation rate keep unanimous, the connecting rod is installed in the inboard rotation of rotating seat 12, the top fixed mounting of guide arm 7 is in the outside of connecting rod, be convenient for rotate guide arm 7.

In the utility model, when in use, the bottom ends of the two guide rods 7 can be inserted into the gap between the valve body 3 and the valve body rubber sleeve body 4 through the handle 5, then the rotating knob 11 drives the worm 10 to rotate, the two worm wheels 8 can be driven to rotate relatively through the meshing transmission of the worm 10 and the two worm wheels 8 and through the two groups of helical teeth outside the worm 10, so that the two guide rods 7 can be driven to rotate relatively, meanwhile, the two rotating seats 12 can slide on the corresponding arc-shaped slide rods 14 through the two rotating seats 12, and the two springs 15 can be compressed by force through the elastic deformation of the springs 15, thereby playing a certain buffer effect, when the two guide rods 7 rotate relatively, the valve body rubber sleeve body 4 can move upwards outside the two guide rods 7 through the elasticity of the valve body rubber sleeve body 4, therefore, the valve body rubber sleeve body 4 can be dismantled, the operation is simple, and the problem that the valve body 3 is damaged when the valve body rubber sleeve body 4 is dismantled is solved.

Claims

1. The utility model provides a plunger pump valve body rubber ring demolishs instrument for hydraulic fracturing, including mounting panel (1) and roof (2), a serial communication port, the top fixed mounting of mounting panel (1) has valve body (3), the outside movable sleeve of valve body (3) is equipped with valve body gum cover body (4), the top and the bottom of roof (2) respectively fixed mounting have handle (5) and connecting plate (6), the front side of connecting plate (6) is rotated and is installed two guide arms (7), the equal fixed mounting of rear side of two guide arms (7) has worm wheel (8), the front side of connecting plate (6) is rotated and is installed worm (10), the one end fixed mounting of worm (10) has knob (11), worm (10) and two worm wheel (8) mesh mutually, the top of two guide arms (7) is all rotated and is installed and is rotated seat (12), the front side fixed mounting of connecting plate (6) has four fixed plates (13), one side, close to each other, of two fixing plates (13) located on the same side in the four fixing plates (13) is fixedly provided with the same arc-shaped sliding rod (14), the two rotating seats (12) are respectively slidably mounted on the outer sides of the corresponding arc-shaped sliding rods (14), springs (15) are movably sleeved on the outer sides of the two arc-shaped sliding rods (14), and two ends of each spring (15) are respectively fixedly connected with the corresponding rotating seat (12) and the corresponding fixing plate (13).

2. The plunger pump valve body rubber ring dismantling tool for hydraulic fracturing as claimed in claim 1, wherein two rotating rods are rotatably mounted at the front side of the connecting plate (6), and two guide rods (7) and two worm gears (8) are respectively and fixedly mounted at the outer sides of the corresponding rotating rods.

3. The plunger pump valve body rubber ring dismantling tool for hydraulic fracturing as claimed in claim 1, wherein two clamping plates (9) are fixedly mounted on the front side of the connecting plate (6), and the worm (10) is rotatably mounted on the inner sides of the two clamping plates (9).

4. The tool for detaching the valve body rubber ring of the plunger pump for hydraulic fracturing as claimed in claim 3, wherein the inner side of the clamping plate (9) is fixedly provided with the outer ring of the bearing, and the worm (10) is fixedly sleeved with the inner ring of the bearing.

5. The plunger pump valve body rubber ring dismantling tool for hydraulic fracturing is characterized in that two sets of spiral teeth are arranged on the outer side of the worm (10), the pitches of the two sets of spiral teeth are the same, and the screwing directions of the two sets of spiral teeth are opposite.

6. The plunger pump valve body rubber ring dismantling tool for hydraulic fracturing as claimed in claim 1, wherein a connecting rod is rotatably mounted on the inner side of the rotating seat (12), and the top end of the guide rod (7) is fixedly mounted on the outer side of the connecting rod.