CN211332721U

CN211332721U - Grinding device for valve seat of oil well pump for petroleum drilling and production

Info

Publication number: CN211332721U
Application number: CN201922197465.1U
Authority: CN
Inventors: 杨瑶
Original assignee: Maoming Xinkai Electromechanical Equipment Technology Co ltd
Current assignee: Maoming Xinkai Electromechanical Equipment Technology Co ltd
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-08-25
Anticipated expiration: 2029-12-10

Abstract

The utility model belongs to the technical field of disk seat grinding device, especially, for oil drilling oil pump disk seat grinder, it is difficult to accurate control to current disk seat grinding device grinding pressure and leads to the problem stable inadequately, now proposes following scheme, and it includes the base, four mounting holes and a spout have been seted up at the base top, all rotate in four mounting holes and install the lead screw, and four lead screw outside thread bush are equipped with same diaphragm, and diaphragm bottom fixed mounting has the one end of two pull rods, and the other end fixed mounting of two pull rods has same solid fixed ring, and fixed mounting has the motor in the solid fixed ring, and fixed mounting has the bistrique on the motor output shaft, base bottom fixed mounting has four risers, all rotates in two risers that are located the front side and two risers that are located the rear side and. The utility model has the advantages of reasonable design, can control grinding pressure comparatively easily, and control comparatively accurately, the reliability is high.

Description

Grinding device for valve seat of oil well pump for petroleum drilling and production

Technical Field

The utility model relates to a disk seat grinding device technical field especially relates to oil drilling oil-well pump disk seat grinder.

Background

In an oil well pump used in oil drilling and production, a valve seat of the oil well pump needs to be ground by a grinding device to form a sealing surface, so that the sealing performance requirement can be met. The existing valve seat grinding device consists of an upper grinding part and a lower grinding part. Through search, Chinese patent with the publication number of CN203357193U discloses a grinding device for a valve seat of an oil well pump for oil drilling and production, which consists of an upper grinding component and a lower grinding component. The upper grinding part is provided with a spring, and the upper grinding head and the valve seat are arranged in the valve seat clamping sleeve. The upper grinding part drives the valve seat to move up and down, and the spring applies grinding pressure between the valve seat and the lower grinding part to grind the valve seat. The utility model discloses can realize that the disk seat is automatic, high-efficient to be ground, improve disk seat grinding efficiency, reduce operator's work load, be the professional equipment that oil drilling adopted the oil pump disk seat and ground.

But the design has the defects that the grinding pressure of the grinding head is controlled through the elastic force of the spring in the design, the mode is not stable enough and is difficult to control accurately, and therefore the grinding device for the valve seat of the oil drilling and production oil well pump is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the grinding pressure of the existing valve seat grinding equipment is difficult to accurately control and leads to the shortcoming of being unstable inadequately, and the proposed oil drilling and production oil-well pump valve seat grinding device.

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

the grinding device for the valve seat of the oil well pump for oil drilling and production comprises a base, wherein four mounting holes and a sliding groove are formed in the top of the base, lead screws are rotatably mounted in the four mounting holes, the outer side of each lead screw is sleeved with a transverse plate, one end of each pull rod is fixedly mounted at the bottom of the transverse plate, the other end of each pull rod is fixedly mounted with a fixing ring, a motor is fixedly mounted in the fixing ring, a grinding head is fixedly mounted on an output shaft of the motor, four vertical plates are fixedly mounted at the bottom of the base, worms are rotatably mounted in the two vertical plates at the front side and the two vertical plates at the rear side, worm wheels are fixedly mounted at the bottom ends of the four lead screws and are meshed with the corresponding worms, chain wheels are fixedly mounted on the two worms, a chain is rotatably mounted on the two chain wheels, two clamping, threaded rods are installed in the two circular grooves in a rotating mode, threaded holes matched with the threaded rods are formed in the inner walls of the two sides of the sliding groove, and the two threaded rods are connected with the corresponding threaded holes in a threaded mode.

Preferably, four lead screw outside all fixed cover are equipped with two axle sleeves, are located four axle sleeves and the base top sliding connection of top, and four axle sleeves and base bottom sliding connection that are located the below support and spacing four lead screws.

Preferably, the equal fixed mounting in one side that two splint are close to each other has the backing plate, and two backing plates are the silica gel slipmat, strengthen fixed and prevent to cause the damage to the disk seat surface to the disk seat.

Preferably, the screw pitches of the four screw rods are equal, the diameters of the wheel discs of the two chain wheels are equal, and the lifting stability of the transverse plate is ensured.

Preferably, one end of each of the two worms on the rear side penetrates through the corresponding vertical plate and is fixedly provided with one side of the rocker arm, and the top of the other side of the rocker arm is fixedly provided with the rocking handle, so that the rotation of the worms can be controlled conveniently.

Preferably, the one end that two threaded rods kept away from each other all extends to the base outside and fixed mounting has the handle, and two handles all set up to the butterfly, conveniently control the rotation of two threaded rods.

In the utility model, the valve seat grinding device of the oil well pump for oil drilling and production puts the valve seat to be processed into the chute, then rotates the two handles to drive the two threaded rods to rotate, and the two threaded rods push the two clamping plates to slide to one side close to each other through the thread matching with the threaded holes to fix the valve seat;

the utility model discloses in, oil drilling oil-well pump disk seat grinder, rotate the rocking handle and drive the worm that is located the rear side through the rocking arm and rotate, the worm that is located the front side drives the worm that is located the rear side through the transmission between two sprockets and rotates, two worms rotate and drive two worm wheel rotations that correspond respectively, four lead screws rotate and drive the diaphragm through the screw-thread fit with the diaphragm and move down, the bistrique follows diaphragm downstream and grinds the disk seat, because of the reason of low drive ratio, the bistrique can only move down with very slow speed when rotating the rocking handle, make the control to grinding pressure comparatively accurate and laborsaving;

the utility model has the advantages of reasonable design, mode control bistrique through low drive ratio feeds for can control grinding pressure comparatively easily, and control comparatively accurately, the reliability is high.

Drawings

Fig. 1 is a schematic structural view of a valve seat grinding device of an oil well pump for oil drilling and production provided by the utility model;

fig. 2 is the structural schematic diagram of the a-a cross section of the oil drilling and production oil well pump valve seat grinding device provided by the utility model.

In the figure: 1. a base; 2. a screw rod; 3. a transverse plate; 4. a motor; 5. grinding heads; 6. a shaft sleeve; 7. a worm gear; 8. a worm; 9. a sprocket; 10. a chute; 11. a splint; 12. a threaded rod; 13. a handle; 14. a vertical plate; 15. a rocking handle; 16. a pull rod; 17. a fixing ring; 18. a base plate; 19. and a chain.

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. 1-2, the oil drilling and production oil well pump valve seat grinding device comprises a base 1, four mounting holes and a chute 10 are formed in the top of the base 1, screw rods 2 are rotatably mounted in the four mounting holes, a same transverse plate 3 is sleeved outside the four screw rods 2 in a threaded manner, one ends of two pull rods 16 are fixedly mounted at the bottom of the transverse plate 3, a same fixing ring 17 is fixedly mounted at the other ends of the two pull rods 16, a motor 4 is fixedly mounted in the fixing ring 17, a grinding head 5 is fixedly mounted on an output shaft of the motor 4, four vertical plates 14 are fixedly mounted at the bottom of the base 1, worms 8 are rotatably mounted in the two vertical plates 14 at the front side and the two vertical plates 14 at the rear side, worm wheels 7 are fixedly mounted at the bottom ends of the four screw rods 2, the four worm wheels 7 are respectively meshed with corresponding worms 8, chain wheels 9 are fixedly, sliding mounting has two splint 11 in the spout 10, and the circular recess has all been seted up to one side that two splint 11 kept away from each other, and threaded rod 12 is installed all to rotating in two circular recesses, all set up on the inner wall of spout 10 both sides with the screw hole of 12 adaptations of threaded rod, two threaded rod 12 all with the screw hole threaded connection that corresponds.

The utility model discloses in, four 2 outside of lead screw all fixed covers are equipped with two axle sleeves 6, are located four axle sleeves 6 and the 1 top sliding connection of base of top, are located four axle sleeves 6 and the 1 bottom sliding connection of base of below, support and spacing four lead screw 2.

The utility model discloses in, the equal fixed mounting in one side that two splint 11 are close to each other has backing plate 18, and two backing plates 18 are the silica gel slipmat, strengthen the fixed and prevent to cause the damage to the disk seat surface to the disk seat.

The utility model discloses in, 2 pitch homoclines of four lead screws, the rim plate diameter of two sprocket wheels 9 equals, ensures the stability that diaphragm 3 goes up and down.

The utility model discloses in, the 8 one end of the worm that lie in the rear side in two worms 8 runs through the one side of corresponding riser 14 and fixed mounting have the rocking arm, and the opposite side top fixed mounting of rocking arm has rocking handle 15, makes things convenient for the rotation of control worm 8.

The utility model discloses in, the one end that two threaded rods 12 kept away from each other all extends to the 1 outside of base and fixed mounting has handle 13, and two handles 13 all set up to the butterfly, conveniently control the rotation of two threaded rods 12.

In the utility model, when in use, a valve seat to be processed is put into the chute 10, then the two handles 13 are rotated to drive the two threaded rods 12 to rotate, the two threaded rods 12 are matched with the threads of the threaded holes to push the two clamping plates 11 to slide towards one side close to each other to fix the valve seat, then the motor 4 is started, the output shaft of the motor 4 drives the grinding head 5 to rotate at high speed, then the rocking handle 15 is rotated and the worm 8 positioned at the rear side is driven to rotate through the rocking arm, the worm 8 positioned at the front side drives the worm 8 positioned at the rear side to rotate through the transmission between the two chain wheels 9, the two worm 8 rotate to respectively drive the corresponding two worm wheels 7 to rotate, the four screw rods 2 rotate and drive the transverse plate 3 to move downwards through the thread matching with the transverse plate 3, the grinding head 5 follows the transverse plate 3 to move downwards to grind the valve seat, due to the low transmission ratio, the grinding head 5 can only move, so that the control of the grinding pressure is more accurate and labor-saving.

Claims

1. Oil drilling and production oil-well pump valve seat grinding device comprises a base (1) and is characterized in that four mounting holes and a sliding groove (10) are formed in the top of the base (1), screw rods (2) are installed in the four mounting holes in a rotating mode, the outer side of each screw rod (2) is sleeved with a same transverse plate (3) in a threaded mode, one end of each of two pull rods (16) is fixedly installed at the bottom of each transverse plate (3), the other end of each of the two pull rods (16) is fixedly installed with a same fixing ring (17), a motor (4) is fixedly installed in each fixing ring (17), a grinding head (5) is fixedly installed on an output shaft of each motor (4), four vertical plates (14) are fixedly installed at the bottom of the base (1), worms (8) are installed in the two vertical plates (14) on the front side and the two vertical plates (14) on the rear, four worm wheel (7) all mesh with worm (8) that correspond mutually, and equal fixed mounting has sprocket (9) on two worm (8), and transmission mounting has same chain (19) on two sprocket (9), sliding installation has two splint (11) in spout (10), and circular recess has all been seted up to one side that two splint (11) kept away from each other, and threaded rod (12) are all installed in two circular recesses to all rotating, all set up on spout (10) both sides inner wall with the screw hole of threaded rod (12) adaptation, two threaded rod (12) all with the screw hole threaded connection who corresponds.

2. The oil drilling and production oil well pump valve seat grinding device according to claim 1, characterized in that two shaft sleeves (6) are fixedly sleeved on the outer sides of the four screw rods (2), the four shaft sleeves (6) positioned above are slidably connected with the top of the base (1), and the four shaft sleeves (6) positioned below are slidably connected with the bottom of the base (1).

3. The oil drilling and production pump valve seat grinding device according to claim 1, wherein one side of each of the two clamping plates (11) close to each other is fixedly provided with a backing plate (18), and the two backing plates (18) are silica gel non-slip pads.

4. The grinding device for the valve seat of the oil well pump for oil drilling and production according to claim 1, wherein the thread pitches of the four screw rods (2) are equal, and the diameters of the wheel discs of the two chain wheels (9) are equal.

5. The oil drilling and production pump valve seat grinding device according to claim 1, wherein one end of the worm (8) located on the rear side of the two worms (8) penetrates through the corresponding vertical plate (14) and is fixedly installed with one side of the rocker arm, and the top of the other side of the rocker arm is fixedly installed with the rocking handle (15).

6. The grinding device for the valve seat of the oil well pump for oil drilling and production according to claim 1, wherein one ends, far away from each other, of the two threaded rods (12) extend to the outer side of the base (1) and are fixedly provided with handles (13), and the two handles (13) are both butterfly-shaped.