CN110822039A

CN110822039A - Belt adjusting device for oil pumping unit

Info

Publication number: CN110822039A
Application number: CN201911268856.6A
Authority: CN
Inventors: 孙琦
Original assignee: Jiaoyang Shanshui (jiangsu) Oil And Gas Engineering Technology Co Ltd
Current assignee: Jiaoyang Shanshui (jiangsu) Oil And Gas Engineering Technology Co Ltd
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2020-02-21

Abstract

The invention discloses a belt adjusting device for a pumping unit, which comprises a shell, a groove, a belt main body and a base, wherein a bearing plate is arranged inside the base, the top end of the bearing plate is provided with the groove, the top end inside the groove is transversely provided with a first threaded screw rod, a movable sleeve is uniformly sleeved on the first threaded screw rod, the top end of the movable sleeve is fixedly provided with a support, and a second threaded screw rod penetrates through a driving block and is in threaded connection with the driving block. According to the invention, the base, the groove, the first threaded screw rod, the first rocking handle, the movable sleeve, the support, the motor and the belt main body are arranged, the first rocking handle is rotated to drive the first threaded screw rod to rotate, so that the movable sleeve drives the support and the motor to horizontally move, and the belt main body is tensioned or loosened to realize the tightness adjustment of the belt main body, the operation is simple, the operation can be carried out without stopping the machine, the time is short, and the normal production of an oil well is not influenced.

Description

Belt adjusting device for oil pumping unit

Technical Field

The invention relates to the technical field of adjusting devices, in particular to a belt adjusting device for an oil pumping unit.

Background

The pumping unit is a mechanical device for exploiting petroleum, commonly called as a head knocking machine, and is the most main lifting device in a rod pumping system, the power source of the pumping unit is transmitted to a reduction gearbox by a motor through a belt, and the belt is easy to loose after being used for a period of time, so that the motor idles, and the belt needs to be replaced or adjusted according to the regulation;

1. the conventional adjustment mode is manual adjustment, the adjustment can be performed only after the machine is stopped, the operation is difficult and complicated, time and labor are wasted, and the slow pumping work progress is easy to drag;

2. the existing part of belt adjusting devices are single in adjusting mode and not in place, and the energy consumption of the motor is increased due to the fact that the belt is too loose or too tight, so that the service life of the motor is shortened;

3. most of the belt adjusting devices do not have a buffering function, the pumping unit can generate large vibration during working, internal parts of the device are easy to loosen, and use is affected.

Disclosure of Invention

The invention aims to provide a belt adjusting device for an oil pumping unit, which aims to solve the problems of complex adjusting operation, time and labor waste, single adjusting mode, poor adjustment and no buffering function in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: a belt adjusting device for beam-pumping unit, including casing, recess, belt main part and base, the inside of base is provided with the loading board, and the top of loading board is provided with the recess, the inside top of recess transversely is provided with first screw lead screw, and evenly overlaps on the first screw lead screw and be equipped with movable sleeve, movable sleeve's top is fixed with the support, and is fixed with the motor on the support, the output of motor is provided with the belt main part, the central position department of recess one side is provided with first rocking handle, and just first rocking handle and first screw lead screw are connected, the bottom of recess both sides all is fixed with the drive block, the both sides of base all are fixed with the casing, and the vertical second screw lead screw that has passed of the inside central position department of casing, second screw lead screw passes drive block and drive block threaded connection.

Preferably, a second rocking handle penetrates through one side of the shell, a first gear is arranged at one end of the second rocking handle through a rotating shaft, a second gear is arranged on the second threaded screw rod, and the second gear is meshed with the first gear.

Preferably, the number of the movable sleeves is 2, and the inner walls of the movable sleeves are provided with internal threads matched with the external threads of the first threaded screw rods.

Preferably, the bottom of the inside of the base is provided with a movable cavity, the two ends of the inside of the movable cavity are provided with movable blocks through first reset springs, and the two ends of the bottom of the bearing plate are hinged to the movable blocks through connecting rods.

Preferably, the both ends of loading board bottom all are provided with the bolster, and the inside of bolster all is provided with the moving part through second reset spring, the top of moving part all is connected with the bottom of loading board.

Preferably, the inside both sides of bolster all are provided with the guide way, the both ends of moving part all are provided with the guide block that matches with the guide way.

Compared with the prior art, the invention has the beneficial effects that:

(1) this a belt adjusting device for beam-pumping unit is through installing the base, a groove, first screw lead screw, first rocking handle, movable sleeve, and a support, motor and belt main part, rotate first rocking handle, it rotates to drive first screw lead screw, movable sleeve's inner wall is provided with the internal thread with first screw lead screw external screw thread assorted, make movable sleeve drive support and motor carry out horizontal migration, and then take-up or pine take off the belt main part, in order to realize the regulation of belt main part elasticity, and is simple in operation, can operate under the condition of not shutting down, and short time, do not influence the normal production of oil well.

(2) This a belt adjusting device for beam-pumping unit is through installing the casing, second screw thread lead screw, the second rocking handle, first gear, second gear and drive block, wave the second rocking handle, the second rocking handle drives first gear rotation through the pivot, be provided with the second gear on the second screw thread lead screw, second gear and first gear interlock, make second gear rotation drive second screw thread lead screw and rotate, the bottom of recess both sides all is fixed with the drive block, the drive block is established with second screw thread lead screw cover and is connected, and then orders about the recess and reciprocate, be convenient for diversified full angle carry out the regulation of elasticity to the belt main part.

(3) This a belt adjusting device for beam-pumping unit is through installing the base, the loading board, the bolster, the moving part, second reset spring, the connecting rod, the activity chamber, movable block and first reset spring, the device is fixed on the beam-pumping unit back, because beam-pumping unit during operation produces vibrations, the shaking force makes the loading board extrude downwards, make the connecting rod move back to back, drive the movable block and compress first reset spring in the activity intracavity, meanwhile, the bottom extrusion moving part of loading board, make the moving part at the inside compression second reset spring of bolster, the flexible shaking force who absorbs some through the resilience of first reset spring and second reset spring, play buffering absorbing effect, it is not hard up to avoid the device internals, the influence is used.

Drawings

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

FIG. 2 is a cross-sectional view of the base of the present invention;

FIG. 3 is a cross-sectional view of the buffer of the present invention;

fig. 4 is a schematic sectional view of the housing according to the present invention.

In the figure: 1. a housing; 2. a drive block; 3. a groove; 4. a support; 5. a belt body; 6. a motor; 7. a movable sleeve; 8. a first threaded lead screw; 9. a second threaded screw; 10. a first rocking handle; 11. a base; 12. a second rocking handle; 13. a carrier plate; 14. a buffer member; 1401. a movable member; 1402. a second return spring; 1403. a guide groove; 15. a connecting rod; 16. a first return spring; 17. a movable block; 18. a movable cavity; 19. a first gear; 20. a second gear.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, an embodiment of the present invention is shown: a belt adjusting device for an oil pumping unit comprises a shell 1, a groove 3, a belt body 5 and a base 11, wherein a bearing plate 13 is arranged inside the base 11, the groove 3 is arranged at the top end of the bearing plate 13, a movable cavity 18 is arranged at the bottom end inside the base 11, movable blocks 17 are arranged at two ends inside the movable cavity 18 through a first reset spring 16, two ends of the bottom of the bearing plate 13 are hinged to the movable blocks 17 through a connecting rod 15, buffer members 14 are arranged at two ends of the bottom of the bearing plate 13, a movable member 1401 is arranged inside the buffer members 14 through a second reset spring 1402, the top ends of the movable members 1401 are connected with the bottom end of the bearing plate 13, guide grooves 1403 are arranged at two sides inside the buffer members 14, and guide blocks matched with the guide grooves 1403 are arranged at two ends of the movable members;

if the oil pumping unit vibrates during working, the vibration force enables the bearing plate 13 to be extruded downwards to enable the connecting rod 15 to move back and forth, the movable block 17 is driven to compress the first reset spring 16 in the movable cavity 18, meanwhile, the bottom end of the bearing plate 13 extrudes the movable piece 1401 to enable the guide block on the movable piece 1401 to slide in the guide groove 1403, the vibration force is vertically transmitted downwards to enable the movable piece 1401 to compress the second reset spring 1402 in the buffer piece 14, and a part of vibration force is absorbed through the rebound expansion and contraction of the first reset spring 16 and the second reset spring 1402 to play a role in buffering and damping, so that internal parts of the device are prevented from loosening and affecting use;

a first threaded screw rod 8 is transversely arranged at the top end inside the groove 3, a movable sleeve 7 is uniformly sleeved on the first threaded screw rod 8, a support 4 is fixed at the top end of the movable sleeve 7, a motor 6 is fixed on the support 4, a belt main body 5 is arranged at the output end of the

motor

6, 2 movable sleeves 7 are arranged, and inner threads matched with the outer threads of the first threaded screw rod 8 are arranged on the inner wall of each movable sleeve 7;

the first rocking handle 10 is rotated to drive the first threaded screw rod 8 to rotate, and the inner wall of the movable sleeve 7 is provided with an internal thread matched with the external thread of the first threaded screw rod 8, so that the movable sleeve 7 drives the bracket 4 and the motor 6 to horizontally move, and further, the belt main body 5 wound on the output end of the motor 6 is tensioned or loosened in the transverse direction, and the tightness of the belt main body 5 is adjusted;

a first rocking handle 10 is arranged at the central position of one side of the groove 3, the first rocking handle 10 is connected with a first threaded screw rod 8, the bottom ends of the two sides of the groove 3 are respectively fixed with a driving block 2, the two sides of the base 11 are respectively fixed with a shell 1, a second threaded screw rod 9 vertically penetrates through the central position of the interior of the shell 1, the second threaded screw rod 9 penetrates through the driving block 2 to be in threaded connection with the driving block 2, a second rocking handle 12 penetrates through one side of the shell 1, a first gear 19 is arranged at one end of the second rocking handle 12 through a rotating shaft, a second gear 20 is arranged on the second threaded screw rod 9, and the second gear 20 is meshed with the first gear 19;

wave second rocking handle 12, second rocking handle 12 drives first gear 19 through the pivot and rotates, second gear 20 and 19 interlocks of first gear, make second gear 20 rotate and drive second screw lead screw 9 and rotate, the drive block 2 is established with second screw lead screw 9 cover and is connected, second screw lead screw 9 rotates and drives drive block 2 and reciprocate, and then order about recess 3 and reciprocate, carry out the take-up or the pine in vertical position to belt main part 5 and take off, be convenient for diversified full angle carry out the regulation of elasticity to belt main part 5, and the operation is simple, can operate under the circumstances of not shutting down, and the time is short, do not influence the normal production of oil well.

The working principle is as follows: when the device is used, firstly, the device is fixedly installed on an oil pumping unit, when the tightness of the belt main body 5 needs to be adjusted, the first rocking handle 10 is rotated to drive the first threaded screw rod 8 to rotate, the inner wall of the movable sleeve 7 is provided with an internal thread matched with the external thread of the first threaded screw rod 8, so that the movable sleeve 7 drives the bracket 4 and the motor 6 to horizontally move, further, the belt main body 5 wound on the output end of the motor 6 is tensioned or loosened in the transverse direction to adjust the tightness of the belt main body 5, then the second rocking handle 12 is rocked, the second rocking handle 12 drives the first gear 19 to rotate through the rotating shaft, the second gear 20 is meshed with the first gear 19, so that the second gear 20 rotates to drive the second threaded screw rod 9 to rotate, the driving block 2 is sleeved and connected with the second threaded screw rod 9, the second threaded screw rod 9 rotates to drive the driving block 2 to move up and down, and then order about recess 3 and reciprocate, carry out the take-up or the pine in vertical position to belt main part 5 and take off, be convenient for diversified full angle carry out the regulation of elasticity to belt main part 5, and is simple in operation, can operate under the circumstances of not shutting down, and short time, do not influence oil well normal production, in addition, if the beam-pumping unit during operation produces vibrations, the shaking force makes loading board 13 extrude downwards, make connecting rod 15 remove back of the body mutually, drive movable block 17 and compress first reset spring 16 in activity chamber 18, meanwhile, moving part 1401 is extruded to the bottom of loading board 13, make moving part 1401 compress second reset spring 1402 in 14 inside of bolster, the shaking force of the flexible absorption part of resilience through first reset spring 16 and second reset spring 1402, play the absorbing effect, avoid the device internals not hard up, influence the use.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, 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. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A belt adjusting device for beam-pumping unit, including casing (1), recess (3), belt main part (5) and base (11), its characterized in that: the novel belt conveyor is characterized in that a bearing plate (13) is arranged inside the base (11), a groove (3) is formed in the top end of the bearing plate (13), a first threaded screw rod (8) is transversely arranged on the top end of the inside of the groove (3), a movable sleeve (7) is uniformly sleeved on the first threaded screw rod (8), a support (4) is fixed at the top end of the movable sleeve (7), a motor (6) is fixed on the support (4), a belt main body (5) is arranged at the output end of the motor (6), a first rocking handle (10) is arranged at the central position of one side of the groove (3), the first rocking handle (10) is connected with the first threaded screw rod (8), driving blocks (2) are fixed at the bottom ends of the two sides of the groove (3), a shell (1) is fixed at the two sides of the base (11), and a second threaded screw rod (9) vertically penetrates through the central position of the inside of the shell (1, the second threaded screw rod (9) penetrates through the driving block (2) to be in threaded connection with the driving block (2).

2. The belt adjusting device for a pumping unit of claim 1, wherein: the novel screw thread machine is characterized in that a second rocking handle (12) penetrates through one side of the shell (1), a first gear (19) is arranged at one end of the second rocking handle (12) through a rotating shaft, a second gear (20) is arranged on the second thread screw rod (9), and the second gear (20) is meshed with the first gear (19).

3. The belt adjusting device for a pumping unit of claim 1, wherein: the number of the movable sleeves (7) is 2, and the inner walls of the movable sleeves (7) are provided with internal threads matched with the external threads of the first threaded screw rods (8).

4. The belt adjusting device for a pumping unit of claim 1, wherein: the bottom of base (11) inside is provided with movable chamber (18), and the both ends of activity chamber (18) inside all are provided with movable block (17) through first reset spring (16), the both ends of loading board (13) bottom all are articulated mutually with movable block (17) through connecting rod (15).

5. The belt adjusting device for a pumping unit of claim 1, wherein: both ends of loading board (13) bottom all are provided with bolster (14), and the inside of bolster (14) all is provided with moving part (1401) through second reset spring (1402), the top of moving part (1401) all is connected with the bottom of loading board (13).

6. The belt adjusting device for a pumping unit of claim 5, wherein: guide grooves (1403) are formed in two sides of the interior of the buffer piece (14), and guide blocks matched with the guide grooves (1403) are arranged at two ends of the moving piece (1401).