CN219768131U

CN219768131U - Quick dismounting device for pulley of speed reducer

Info

Publication number: CN219768131U
Application number: CN202320177110.XU
Authority: CN
Inventors: 杨军
Original assignee: Yan'an Zhenyu Industry And Trade Co ltd
Current assignee: Yan'an Zhenyu Industry And Trade Co ltd
Priority date: 2023-02-10
Filing date: 2023-02-10
Publication date: 2023-09-29
Anticipated expiration: 2033-02-10

Abstract

The utility model discloses a rapid dismounting device for a speed reducer belt pulley of a pumping unit, which relates to the technical field of pumping units and comprises a bottom plate, wherein positioning blocks are arranged on two sides of the upper end surface of the bottom plate, the positioning blocks are fixedly connected with the bottom plate through positioning rods, a threaded rod is rotatably connected between the two positioning blocks, one of the positioning blocks is provided with a crank for driving the threaded rod to rotate, the threaded rod is provided with a sliding block through a threaded sleeve, the outer side of the sliding block is provided with a clamping assembly for clamping the speed reducer belt pulley of the pumping unit, the speed reducer belt pulley rapid dismounting device clamps the belt pulley of the speed reducer of the pumping unit through the action of the clamping assembly, then the crank is grasped and manually rotated, the rotation of the crank drives the threaded rod to rotate, the sliding block is driven to slide in the horizontal direction through the sliding of the sliding block, the clamping assembly is driven to move, and the belt pulley is driven to move, so that the belt pulley is conveniently dismounted from the speed reducer.

Description

Quick dismounting device for pulley of speed reducer

Technical Field

The utility model relates to the technical field of oil pumping units, in particular to a rapid dismounting device for a belt pulley of a speed reducer.

Background

The stroke frequency adjustment of the oil pumping unit is a main way for improving the efficiency of an oil well system, prolonging the service life of equipment and adjusting parameters by measures, and most oil wells are required to realize the optimization of the stroke frequency by replacing motor pulleys with different specifications except that part of digital oil pumping units can adjust parameters by frequency conversion. The traditional belt pulley replacement method is to detach the original belt pulley by using a special tool such as a wheel puller, a copper bar, a pipe wrench and the like and then install the belt pulley meeting the requirements, wherein the detachment procedure of the original belt pulley is the most time-consuming and labor-consuming, part of the oil well takes 1-2 hours or even longer due to longer production time, and the situation that the original belt pulley and a motor shell are damaged in the detachment process occurs sometimes, so that the normal production of the oil well is influenced, and the production cost is increased.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the rapid dismounting device for the reducer belt pulley, which solves the problem that the stroke frequency of the pumping unit is required to be adjusted by replacing motor belt pulleys with different diameters in the conventional daily production management process of an oil well. The common disassembly tool is laborious and time-consuming to operate.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the quick dismounting device of the speed reducer belt pulley comprises a bottom plate, positioning blocks are arranged on two sides of the upper end face of the bottom plate, the positioning blocks are fixedly connected with the bottom plate through positioning rods, threaded rods are connected between the positioning blocks in a rotating mode, one of the positioning blocks is provided with a crank for driving the threaded rods to rotate, the threaded rods are provided with sliding blocks through threaded sleeves, and clamping assemblies for clamping the speed reducer belt pulley of the pumping unit are arranged on the outer sides of the sliding blocks.

Through above-mentioned technical scheme, carry out the centre gripping through the belt pulley of clamping assembly's effect to pumping unit reduction gear, later grasp the crank and manually rotate the crank, the rotation of crank can drive the threaded rod with crank fixed connection and rotate, threaded rod and slider threaded connection, the rotation of threaded rod can drive the slider and slide in the horizontal direction, can drive clamping assembly's removal through the slip of slider, and then drive and clamping assembly fixed connection's belt pulley removes, so that demolish the belt pulley from the reduction gear, the device plays laborsaving effect, be convenient for demolish the belt pulley.

Preferably, the clamping assembly comprises a plurality of lugs fixedly arranged on the circumferential outer wall of the sliding block, the lugs are arranged in an array mode by taking the center of the sliding block as a central line, connecting rods are connected to the lugs in a hinged mode, L-shaped clamping rods are movably connected between two adjacent connecting rods, and limiting assemblies which drive the L-shaped clamping rods to rotate so as to play a locking role on the belt pulleys are arranged on the connecting rods.

Preferably, the limiting component comprises a fixed block positioned between two adjacent connecting rods, the fixed block is fixedly connected with the connecting rods, a stud is arranged on the fixed block in a penetrating manner through threads, a clamping rod is fixedly arranged at one end of the stud, which is close to the L-shaped clamping rod, a clamping groove is formed in one side, which is close to the clamping rod, of the L-shaped clamping rod, the clamping rod extends into the clamping groove, and a handle is fixedly arranged at one end, which is far away from the clamping rod, of the stud.

Preferably, one end of the connecting rod, which is far away from the ear seat, is fixedly provided with a short shaft, and the connecting rod is rotationally connected with the L-shaped clamping rod through the short shaft.

Preferably, a guide component which plays a role in guiding sliding of the sliding block is arranged in the sliding block.

Preferably, the guide assembly comprises guide rods radially arranged on two sides of the threaded rod, the two guide rods are oppositely arranged and parallel to the central line of the threaded rod, two ends of each guide rod are fixedly connected with adjacent positioning blocks, and the slide blocks are sleeved on the outer sides of the guide rods and are in sliding connection with the guide rods.

(III) beneficial effects

The utility model provides a rapid dismounting device for a pulley of a speed reducer. The beneficial effects are as follows:

(1) This quick dismounting device of reduction gear belt pulley, the belt pulley of pumping unit reduction gear is carried out the centre gripping through the effect of clamping assembly, later grasp the crank and manually rotate the crank, the rotation of crank can drive the threaded rod with crank fixed connection and rotate, threaded rod and slider threaded connection, the rotation of threaded rod can drive the slider and slide in the horizontal direction, can drive clamping assembly's removal through the slip of slider, and then drive and clamping assembly fixed connection's belt pulley removes, so that demolish the belt pulley from the reduction gear, the device plays laborsaving effect, the belt pulley is convenient for demolish.

(2) The quick dismounting device of the reducer belt pulley plays a role in pushing the L-shaped clamping rod through the action of the clamping rod, the L-shaped clamping rod is convenient to lock the belt pulley, and the device is applicable to belt pulleys of different sizes.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the overall side view of the present utility model;

fig. 3 is a schematic structural diagram of a card slot according to the present utility model.

In the figure: 1. a bottom plate; 2. a positioning block; 3. a positioning rod; 4. a threaded rod; 5. a crank; 6. a guide rod; 7. a slide block; 8. an ear seat; 9. a connecting rod; 10. an L-shaped clamping rod; 11. a short shaft; 12. a clamping groove; 13. a fixed block; 14. a stud; 15. a handle; 16. and (5) clamping the rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-3, the utility model provides the technical scheme that: the utility model provides a quick dismounting device of reduction gear belt pulley, including bottom plate 1, the both sides of bottom plate 1 up end all are equipped with locating piece 2, pass through locating lever 3 fixed connection between locating piece 2 and the bottom plate 1, rotate between two locating pieces 2 and be connected with threaded rod 4, be equipped with drive threaded rod 4 pivoted crank 5 on one of them locating piece 2, be equipped with slider 7 through the thread bush on threaded rod 4, the outside of slider 7 is equipped with the clamping assembly of centre gripping pumping unit reduction gear belt pulley, the effect through clamping assembly carries out the centre gripping to the belt pulley of pumping unit reduction gear, later grasp crank 5 and manual rotation crank 5, the rotation of crank 5 can drive the threaded rod 4 rotation with crank 5 fixed connection, threaded rod 4 and slider 7 threaded connection, threaded rod 4's rotation can drive slider 7 and slide on the horizontal direction, can drive clamping assembly's removal through slider 7's the slip, and then drive and clamping assembly fixed connection's belt pulley removes, so that the belt pulley is demolishd from the reduction gear, the device plays laborsaving effect, the belt pulley is convenient to demolish.

As shown in fig. 2, the clamping assembly comprises ear seats 8 fixedly arranged on the circumferential outer wall of the sliding block 7, a plurality of ear seats 8 are arranged in an array by taking the center of the sliding block 7 as a central line, connecting rods 9 are hinged on the ear seats 8, an L-shaped clamping rod 10 is movably connected between two adjacent connecting rods 9, a limiting assembly for driving the L-shaped clamping rod 10 to rotate so as to play a locking role on a belt pulley is arranged on the connecting rods 9, the L-shaped clamping rod 10 can rotate through the effect of the limiting assembly, and the L-shaped clamping rod 10 rotates around the joint of the L-shaped clamping rod 10 and the connecting rods 9 so that the L-shaped clamping rod 10 can conveniently lock the belt pulley.

As shown in fig. 3, the limiting component comprises a fixed block 13 located between two adjacent connecting rods 9, the fixed block 13 is fixedly connected with the connecting rods 9, a stud 14 is penetrated through threads on the fixed block 13, a clamping rod 16 is fixedly arranged at one end of the stud 14, which is close to the L-shaped clamping rod 10, a clamping groove 12 is formed in one side of the L-shaped clamping rod 10, which is close to the clamping rod 16, the clamping rod 16 extends into the clamping groove 12, a handle 15 is fixedly arranged at one end of the stud 14, which is far away from the clamping rod 16, the handle 15 is grasped by a worker, the handle 15 is manually rotated, the rotation of the handle 15 can drive the stud 14 fixedly connected with the handle 15 to rotate, the stud 14 is in threaded connection with the fixed block 13, the fixed block 13 is fixedly connected with the adjacent connecting rods 9, the stud 14 moves in the rotation process through threads, the movement of the stud 14 can drive the clamping rod 16 fixedly connected with the stud 14, the clamping rod 16 extends into the adjacent clamping groove 12, the L-shaped clamping rod 10 is pushed by the action of the clamping rod 16, the L-shaped clamping rod 10 is conveniently locked on the pulley, and the device is suitable for pulleys with different sizes.

As shown in fig. 1, a short shaft 11 is fixedly arranged at one end of the connecting rod 9 far away from the ear seat 8, the connecting rod 9 is rotationally connected with the L-shaped clamping rod 10 through the short shaft 11, and the rotation of the L-shaped clamping rod 10 is facilitated through the action of the short shaft 11.

As shown in fig. 2, a guiding component which plays a guiding role in sliding of the sliding block 7 is arranged in the sliding block 7, and the sliding of the sliding block 7 can be guided by the guiding component, so that the moving stability of the sliding block 7 is improved.

As fig. 2, the guiding assembly comprises guiding rods 6 radially arranged at two sides of the threaded rod 4, the two guiding rods 6 are oppositely arranged and parallel to the central line of the threaded rod 4, two ends of each guiding rod 6 are fixedly connected with the adjacent positioning block 2, the sliding block 7 is sleeved outside the guiding rods 6 and is in sliding connection with the guiding rods 6, and the sliding of the sliding block 7 in the horizontal direction is guided through the action of the guiding rods 6.

When the oil pumping machine is used, a worker grabs the crank 5 and manually rotates the crank 5, the rotation of the crank 5 drives the threaded rod 4 fixedly connected with the crank 5 to rotate, the rotation of the threaded rod 4 drives the sliding block 7 to slide in the horizontal direction, the sliding block 7 is guided by the action of the guide rod 6, and the sliding block 7 slides towards the direction of the pulley of the oil pumping machine reducer until the L-shaped clamping rod 10 clamps the pulley;

then, a worker grabs the handle 15 and manually rotates the handle 15, the rotation of the handle 15 drives the stud 14 to rotate, the stud 14 moves in the rotating process, the movement of the stud 14 drives the clamping rod 16 fixedly connected with the stud 14 to move, the clamping rod 16 extends into the clamping groove 12 and pushes the L-shaped clamping rod 10 to enable the L-shaped clamping rod 10 to rotate around the short shaft 11, the L-shaped clamping rod 10 locks a pulley of the pumping unit reducer, the crank 5 is reversely rotated, the threaded rod 4 reversely rotates, the sliding block 7 and the L-shaped clamping rod 10 move in a direction away from the pulley, so that the pulley is conveniently removed from the pumping unit reducer, labor is saved, the pulley is conveniently and quickly detached, and meanwhile, the use process of the device for quickly detaching the pulley of the reducer is well known to a person skilled in the art.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

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

Claims

1. Quick dismounting device of reduction gear belt pulley, its characterized in that: including bottom plate (1), the both sides of bottom plate (1) up end all are equipped with locating piece (2), through locating lever (3) fixed connection between locating piece (2) and bottom plate (1), two rotate between locating piece (2) and be connected with threaded rod (4), one of them be equipped with drive threaded rod (4) pivoted crank (5) on locating piece (2), be equipped with slider (7) on threaded rod (4) through the thread bush, the outside of slider (7) is equipped with the clamping assembly of clamping pumping unit reduction gear belt pulley.

2. The quick release device of a reduction gear pulley as defined in claim 1, wherein: the clamping assembly comprises ear seats (8) fixedly arranged on the outer wall of the circumference of the sliding block (7), a plurality of ear seats (8) are arranged in an array mode by taking the center of the circle of the sliding block (7) as a center line, connecting rods (9) are hinged to the ear seats (8), L-shaped clamping rods (10) are movably connected between two adjacent connecting rods (9), and limiting assemblies which drive the L-shaped clamping rods (10) to rotate so as to play a locking role on the belt pulleys are arranged on the connecting rods (9).

3. The quick release device of a reduction gear pulley as defined in claim 2, wherein: the limiting assembly comprises a fixed block (13) located between two adjacent connecting rods (9), the fixed block (13) is fixedly connected with the connecting rods (9), a stud (14) is arranged on the fixed block (13) in a penetrating mode through threads, a clamping rod (16) is fixedly arranged at one end, close to the L-shaped clamping rod (10), of the stud (14), a clamping groove (12) is formed in one side, close to the clamping rod (16), of the L-shaped clamping rod (10), the clamping rod (16) extends into the clamping groove (12), and a handle (15) is fixedly arranged at one end, far away from the clamping rod (16), of the stud (14).

4. The quick release device of a reduction gear pulley as defined in claim 2, wherein: one end of the connecting rod (9) far away from the ear seat (8) is fixedly provided with a short shaft (11), and the connecting rod (9) is rotationally connected with the L-shaped clamping rod (10) through the short shaft (11).

5. The quick release device of a reduction gear pulley as defined in claim 1, wherein: a guiding component which plays a guiding role in sliding of the sliding block (7) is arranged in the sliding block (7).

6. The quick release device of a reduction gear pulley as defined in claim 5, wherein: the guide assembly comprises guide rods (6) which are radially arranged on two sides of the threaded rod (4), the two guide rods (6) are oppositely arranged and are parallel to the central line of the threaded rod (4), two ends of each guide rod (6) are fixedly connected with adjacent positioning blocks (2), and the sliding blocks (7) are sleeved on the outer sides of the guide rods (6) and are connected with the guide rods (6) in a sliding mode.