Belt lifting device for rod-pumped well

Abstract

The utility model relates to the technical field of pumping unit belt lifting, in particular to a pumping unit well belt lifting device which comprises a fixed base, the fixed base is detachably connected with a pumping unit base, a winch and an adjustable rod are arranged at the top end of the fixed base, and the adjustable rod is detachably installed on the middle section of the fixed base. A winch is arranged on one side of the adjustable rod and detachably installed at one end of the fixed base, the top end of the adjustable rod is detachably connected with a rotating arm, the top end of the rotating arm is detachably connected with a pumping unit belt, and a plurality of pulley blocks are installed at the bottom end of the rotating arm and connected with the winch. According to the pumping unit well belt lifting device, the winch and the pulley block are matched to control the adjustable rod and the rotating arm, the winch and the adjustable rod are matched to lift the pumping unit belt, and the winch and the rotating arm are matched to adjust the lifting angle and direction of the pumping unit belt, so that the working efficiency is effectively improved, the labor intensity is reduced, and the labor intensity is reduced. And the safety coefficient is increased.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of belt lifting of pumping unit, especially to a belt lifting device of pumping unit well. BACKGROUND

[0002] At present, replacing the pumping unit well belt is a routine maintenance work in the production operation process of the pumping unit well, but the post staff needs to climb to the operating platform of the reduction gearbox of the pumping unit to operate when replacing the pumping unit group belt, which has high safety risk, especially for large pumping units.

[0003] Since the weight of the pumping unit belt is large, the weight of most pumping unit belts is between 20-45 kg, the height from the highest point of the reduction gearbox belt pulley of the 10 type pumping unit to the ground is about 2.5 meters, and the height from the highest point of the reduction gearbox belt pulley of the 14 type pumping unit to the ground is about 3 meters, therefore, the post staff is extremely easy to be injured by fingers and to fall in the process of replacing the pumping unit belt, which threatens the safety production of oilfield enterprises and the personal safety of the staff. Therefore, in view of the above shortcomings, a belt lifting device of pumping unit well is provided. SUMMARY

[0004] The utility model aims at providing a belt lifting device of pumping unit well to overcome the defects of long downtime, safety hazards and high labor intensity in the operation of replacing the pumping unit belt in the prior art.

[0005] In order to realize the above-mentioned purpose, the utility model provides a belt lifting device of pumping unit well, which comprises:

[0006] The fixed base is detachably connected with the pumping unit base, the top end of the fixed base is a winch and an adjustable rod, the adjustable rod is detachably installed in the middle segment of the fixed base, one side of the adjustable rod is the winch, the winch is detachably installed at one end of the fixed base, the top end of the adjustable rod is detachably connected with a rotary arm, the top end of the rotary arm is detachably connected with the pumping unit belt, the bottom end of the rotary arm is installed with a plurality of pulley blocks, and the plurality of pulley blocks are connected with the winch.

[0007] The winch and the plurality of pulley blocks control the adjustable rod and the rotary arm through cooperation, the winch controls the adjustable rod to lift and drop through rotation, the adjustable rod controls the height of the pumping unit belt through lifting, the winch controls the rotary arm to rotate through rotation, and the rotary arm controls the lifting angle and direction of the pumping unit belt through rotation.

[0008] Preferably, the fixed base is provided in the shape of an I-beam, and comprises a first horizontal plate, a second vertical plate and a third horizontal plate, which are in an integrated structure, the bottom end of the first horizontal plate is connected to the second vertical plate perpendicularly, and the bottom end of the second vertical plate is connected to the third horizontal plate perpendicularly.

[0009] Preferably, a first connecting plate is welded to the middle section of the top end of the first horizontal plate, a second connecting plate is welded to one end of the top end of the first horizontal plate, one side of the second connecting plate is the first connecting plate, a threaded hole is provided in the center of the first connecting plate, and a plurality of combination bolts are provided around the first connecting plate.

[0010] Preferably, the bottom end of the adjustable rod is connected to the first connecting plate through a thread, the first connecting plate is connected to or detached from the pumping unit base through the combination bolts, and the first horizontal plate is installed or detached from the winch through the second connecting plate.

[0011] Preferably, the adjustable rod is provided with three sections, i.e., a first section of the adjustable rod, a second section of the adjustable rod and a third section of the adjustable rod, the bottom end of the first section of the adjustable rod is the fixed base, the inside of the first section of the adjustable rod is connected to the second section of the adjustable rod, the top end of the second section of the adjustable rod is connected to the inside of the third section of the adjustable rod, and the top end of the third section of the adjustable rod is connected to the rotating arm.

[0012] Preferably, the inner diameter of the first section of the adjustable rod and the inner diameter of the third section of the adjustable rod are adapted to each other, the outer diameter of the first section of the adjustable rod and the outer diameter of the third section of the adjustable rod are adapted to each other, the outer diameter of the second section of the adjustable rod and the inner diameter of the first section of the adjustable rod are adapted to each other, and the lengths of the first section of the adjustable rod, the second section of the adjustable rod and the third section of the adjustable rod are adapted to each other.

[0013] Preferably, the adjustable rod is provided with an adjustable length, the adjustable length is the length between the first section of the adjustable rod and the second section of the adjustable rod, the adjustable length is between zero and the length of the second section of the adjustable rod, and the actual length of the adjustable rod is the sum of the lengths of the first section of the adjustable rod, the adjustable length and the third section of the adjustable rod.

[0014] Preferably, when the adjustable length is zero and the top end of the first section of the adjustable rod is the third section of the connecting rod, the actual length of the adjustable rod is the minimum length, which is the sum of the lengths of the first section of the adjustable rod and the third section of the adjustable rod; when the adjustable length is equal to the length of the second section of the adjustable rod, the first section of the adjustable rod, the second section of the adjustable rod and the third section of the adjustable rod are connected, and the actual length of the adjustable rod is the maximum length, which is the sum of the lengths of the first section of the adjustable rod, the second section of the adjustable rod and the third section of the adjustable rod.

[0015] Preferably, the bottom end of the rotating arm is provided with a connecting head, the outer side of the connecting head is provided with a thread, the rotating arm is connected with an adjustable rod through the thread, the rotating angle range of the rotating arm is 360°, the top end of the rotating arm is provided with a mechanical fixing hand, the mechanical fixing hand is provided with a plurality of movable locking pins, the pumping unit belt is connected with the mechanical fixing hand, and the mechanical fixing hand is used for fixing or loosening the pumping unit belt through the plurality of locking pins.

[0016] The pumping unit belt lifting device has the following beneficial effects:

[0017] The pumping unit belt lifting device provided by the utility model, in the process of replacing the pumping unit belt, the post operating staff connects the fixed base with the pumping unit base, connects the pumping unit belt with the rotating arm, controls the adjustable rod and the rotating arm through the cooperation of the winch and the plurality of pulley sets, lifts the pumping unit belt through the cooperation of the winch and the adjustable rod, adjusts the lifting angle and direction of the pumping unit belt through the cooperation of the winch and the rotating arm, effectively improves the work efficiency of the operating personnel, meanwhile, the device reduces the labor intensity of the staff and increases the safety factor. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a structural schematic view of the pumping unit belt lifting device.

[0019] LEGEND:

[0020] 1-pulley set;2-rotating arm;3-fixed base;4-winch;5-adjustable rod. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Figure 1 is a structural schematic view of the pumping unit belt lifting device, as shown in Figure 1 The utility model provides a kind of pumping unit belt lifting device, comprising:

[0023] The fixed base 3 is detachably connected with the pumping unit base, the top end of the fixed base 3 is the winch 4 and the adjustable rod 5, the adjustable rod 5 is detachably installed in the middle section of the fixed base 3, one side of the adjustable rod 5 is the winch 4, the winch 4 is detachably installed in one end of the fixed base 3, the top end of the adjustable rod 5 is detachably connected with the rotating arm 2, the top end of the rotating arm 2 is detachably connected with the pumping unit belt, and the bottom end of the rotating arm 2 is installed with a plurality of pulley blocks 1, and the plurality of pulley blocks 1 are connected with the winch 4.

[0024] In actual application, the winch 4 and the plurality of pulley blocks cooperate to control the adjustable rod 5 and the rotating arm 2, the winch 4 controls the adjustable rod 5 to lift and drop through rotation, the adjustable rod 5 controls the height of the pumping unit belt through lifting and dropping, the winch 4 controls the rotating arm 2 to rotate through rotation, and the rotating arm 2 controls the lifting angle and direction of the pumping unit belt through rotation.

[0025] In the lifting device, the fixed base 3 is in the shape of an I-beam, the fixed base 3 comprises a first horizontal plate, a second vertical plate and a third horizontal plate, the first horizontal plate, the second vertical plate and the third horizontal plate are in an integrated structure, the bottom end of the first horizontal plate is perpendicularly connected with the second vertical plate, and the bottom end of the second vertical plate is perpendicularly connected with the third horizontal plate.

[0026] In actual application, the middle section of the top end of the first horizontal plate is welded with the first connecting plate, one end of the top end of the first horizontal plate is welded with the second connecting plate, one side of the second connecting plate is the first connecting plate, the center of the first connecting plate is provided with a threaded hole, and the periphery of the first connecting plate is provided with a plurality of combined bolts.

[0027] In the lifting device, the bottom end of the adjustable rod 5 is threadedly connected with the first connecting plate, the first connecting plate is connected with or detached from the pumping unit base through the combined bolts, and the first horizontal plate is installed or detached with the winch 4 through the second connecting plate.

[0028] In actual application, the adjustable rod 5 is provided with three sections, which are a first section of the adjustable rod, a second section of the adjustable rod and a third section of the adjustable rod, the bottom end of the first section of the adjustable rod is the fixed base, that is, the bottom end of the first section of the adjustable rod is the first connecting plate, the inside of the first section of the adjustable rod is connected with the second section of the adjustable rod, the top end of the second section of the adjustable rod is connected with the inside of the third section of the adjustable rod, and the top end of the third section of the adjustable rod is connected with the rotating arm 2.

[0029] In the lifting device, the inner diameter of the first section of the adjustable rod and the inner diameter of the third section of the adjustable rod are adapted to each other, the outer diameter of the first section of the adjustable rod and the outer diameter of the third section of the adjustable rod are adapted to each other, the outer diameter of the second section of the adjustable rod and the inner diameter of the first section of the adjustable rod are adapted to each other, and the lengths of the first section of the adjustable rod, the second section of the adjustable rod and the third section of the adjustable rod are adapted to each other.

[0030] In practical application, the adjustable rod 5 is provided with an adjustable length, the adjustable length is the length between the first section of the adjustable rod and the second section of the adjustable rod, the adjustable length is between zero and the length of the second section of the adjustable rod, and the actual length of the adjustable rod 5 is the sum of the length of the first section of the adjustable rod, the adjustable length and the length of the third section of the adjustable rod.

[0031] In the lifting device, when the adjustable length is zero, the top end of the first section of the adjustable rod is the third section of the connecting rod, the actual length of the adjustable rod 5 is the minimum length, and the minimum length is the sum of the length of the first section of the adjustable rod and the length of the third section of the adjustable rod; when the adjustable length is equal to the length of the second section of the adjustable rod, the first section of the adjustable rod, the second section of the adjustable rod and the third section of the adjustable rod are connected, the actual length of the adjustable rod 5 is the maximum length, and the maximum length is the sum of the length of the first section of the adjustable rod, the length of the second section of the adjustable rod and the length of the third section of the adjustable rod.

[0032] In practical application, the bottom end of the rotating arm 2 is provided with a connecting head, the outer side of the connecting head is provided with a thread, the rotating arm 2 is connected with the adjustable rod 5 through the thread, that is, the rotating arm 2 is connected with the third section of the adjustable rod through the connecting head, the rotating angle range of the rotating arm 2 is 360°, the top end of the rotating arm 2 is provided with a mechanical fixing hand, a plurality of movable locking pins are arranged on the mechanical fixing hand, the pumping unit belt is connected with the mechanical fixing hand, and the mechanical fixing hand is connected with the pumping unit belt through the plurality of locking pins.

[0033] It should be noted that, in the lifting device, the outer side of the bottom end of the first section of the adjustable rod is provided with a thread, the first section of the adjustable rod is installed and fixed in the threaded hole of the first connecting plate of the base 3 through the external thread, the inside of the first section of the adjustable rod is provided with a thread, the second section of the adjustable rod is provided with an external thread, the second section of the adjustable rod is installed in the inside of the first section of the adjustable rod, the top end and the bottom end of the inside of the third section of the adjustable rod are provided with threads, the top end of the second section of the adjustable rod is connected with the internal thread of the bottom end of the third section of the adjustable rod through the external thread, the second section of the adjustable rod controls the adjustable length through the external thread, the external thread of the top end of the second section of the adjustable rod can be connected with the internal thread of the top end of the first section of the adjustable rod, and the top end of the third section of the adjustable rod is installed with the connecting head of the rotating arm 2 through the internal thread.

[0034] In practical application, the lifting device is fixed with the pumping unit base through combined bolts, the adjustable rod 4 supports free extension, the mechanical fixing hand of the rotating arm 2 realizes the pulling and loosening function of the pumping unit belt, and the lifting type replacement mode can realize that the staff can replace the belt on the ground.

[0035] The pumping unit well belt lifting device effectively improves the work efficiency of an operator in the process of replacing a pumping unit belt, meanwhile, the device reduces labor intensity of the staff and increases a safety coefficient.

[0036] In this embodiment, the fixed base 3 is bolted to the pumping unit base through the combination of the first connecting plate, the top end of the fixed base 3 is the winch 4 and the adjustable rod 5, the adjustable rod 5 is installed in the threaded hole of the first connecting plate in the middle segment of the fixed base 3, one side of the adjustable rod 5 is the winch 4, the winch 4 is installed in the second connecting plate at one end of the fixed base 3, the top end of the adjustable rod 5 is connected with the connecting head of the rotating arm 2 through screw connection, the top end of the rotating arm 2 is connected with the mechanical fixing hand of the pumping unit through mechanical fixing, and the bottom end of the rotating arm 2 is installed with two pulley blocks 1.

[0037] It should be noted that the adjustable rod 5 is provided with an adjustable length, the adjustable length is the length between the first segment adjustable rod and the second segment adjustable rod, the adjustable length is between zero and the length of the second segment adjustable rod, and the actual length of the adjustable rod 5 is the sum of the lengths of the first segment adjustable rod, the adjustable length and the third segment adjustable rod.

[0038] In actual application, when the pumping unit belt is replaced, the fixed base 3 of the embodiment is installed on the pumping unit base, the pumping unit belt is fixed on the mechanical fixing hand of the rotating arm 2 through the locking pin, the winch 4 is rotated, the winch 4 cooperates with the two pulley blocks 2 to control the lifting of the adjustable rod 5, the pumping unit belt is lifted to a position higher than the large pulley by the adjustable rod 5, the direction and angle of the rotating arm 2 are adjusted, the pumping unit belt is parallel to the large pulley in the longitudinal direction, the winch 4 is continuously rotated, the pumping unit belt falls on the large pulley, the locking pin of the mechanical fixing hand of the rotating arm 2 is pulled, the mechanical fixing hand is opened, the winch 4 is shaken, the direction and angle of the rotating arm 2 are adjusted, the adjustable rod 5 is adjusted and lowered, the fixed base 3 is removed, the pumping unit belt is installed on the small pulley, the fixed bolt is tightened, and the replacement work of the pumping unit belt is completed. The embodiment can realize safe and rapid replacement of the pumping unit belt on the ground, avoid the safety hidden danger caused by personnel high-altitude operation, ensure personal safety and stable operation of production.

[0039] The pumping unit belt lifting device provided by the utility model can effectively improve the work efficiency of the operator, reduce the labor intensity of the staff and increase the safety factor.

[0040] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A belt lifting device for a pumping unit well, characterized in that, The utility model relates to a kind of adjustable pumping unit, including: Fixed base (3), the fixed base (3) is detachably connected pumping unit base, the top end of the fixed base (3) is winch (4) and adjustable rod (5), the adjustable rod (5) is detachably installed in the middle section of fixed base (3), one side of the adjustable rod (5) is winch (4), the winch (4) is detachably installed in one end of fixed base (3), the top end of the adjustable rod (5) is detachably connected rotating arm (2), the top end of the rotating arm (2) is detachably connected pumping unit belt, the bottom end of the rotating arm (2) is installed multiple pulley blocks (1), multiple the pulley block (1) is connected winch; The winch (4) and multiple pulley blocks (1) are adjusted by cooperating control adjustable rod (5) and rotating arm (2), the winch (4) is lifted and lowered by rotating control adjustable rod (5), the adjustable rod (5) is controlled by lifting the height of pumping unit belt, the winch (4) is rotated by rotating control rotating arm (2), the rotating arm (2) is controlled by rotating the lifting angle and lifting direction of pumping unit belt.

2. The belt lifting apparatus for a pumping unit well according to claim 1, characterized by, The fixed base (3) is provided with an I-shaped, the fixed base (3) includes first horizontal plate, second vertical plate and third horizontal plate, the first horizontal plate, second vertical plate and third horizontal plate are integrated structure, the bottom end of the first horizontal plate is connected with the second vertical plate perpendicularly, the bottom end of the second vertical plate is connected with the third horizontal plate perpendicularly.

3. The belt lifting apparatus for a pumping unit well according to claim 2, characterized in that, The middle section of the top end of the first horizontal plate is welded with the first connecting plate, one end of the top end of the first horizontal plate is welded with the second connecting plate, one side of the second connecting plate is the first connecting plate, the center of the first connecting plate is provided with a threaded hole, and a plurality of combined bolts are provided around the first connecting plate.

4. The belt lifting apparatus for a pumping unit well according to claim 3, characterized in that, The bottom end of the adjustable rod (5) is connected with the first connecting plate by screwing, the first connecting plate is connected with or detached from the pumping unit base by the combined bolts, and the first horizontal plate is installed or detached from the winch (4) by the second connecting plate.

5. The belt lifting apparatus for a pumping unit well according to claim 1, wherein The adjustable rod is provided with three sections, which are first section adjusting rod, second section adjusting rod and third section adjusting rod, the bottom end of the first section adjusting rod is the fixed base (3), the inside of the first section adjusting rod is connected with the second section adjusting rod, the top end of the second section adjusting rod is connected with the inside of the third section adjusting rod, and the top end of the third section adjusting rod is connected with the rotating arm (2).

6. The belt lifting apparatus for a pumping unit well according to claim 5, characterized in that, The inner diameter of the first section adjusting rod and the inner diameter of the third section adjusting rod are adapted to each other, the outer diameter of the first section adjusting rod and the outer diameter of the third section adjusting rod are adapted to each other, the outer diameter of the second section adjusting rod and the inner diameter of the first section adjusting rod are adapted to each other, and the lengths of the first section adjusting rod, the second section adjusting rod and the third section adjusting rod are adapted to each other.

7. The belt lifting apparatus for a pumping unit well according to claim 6, characterized in that, The adjustable rod (5) is provided with adjustable length, the adjustable length is the length between the first section adjusting rod and the second section adjusting rod, the adjustable length is between zero and the length of the second section adjusting rod, and the actual length of the adjustable rod (5) is the sum of the lengths of the first section adjusting rod, the adjustable length and the third section adjusting rod.

8. The belt lifting apparatus for a pumping unit well according to claim 7, characterized in that, When the adjustable length is zero, the top end of the first section of the adjustable rod is the third section of the connecting rod, the actual length of the adjustable rod (5) is the minimum length, and the minimum length is the sum of the lengths of the first section of the adjustable rod and the third section of the adjustable rod; when the adjustable length is equal to the length of the second section of the adjustable rod, the first section of the adjustable rod, the second section of the adjustable rod and the third section of the adjustable rod are connected, the actual length of the adjustable rod (5) is the maximum length, and the maximum length is the sum of the lengths of the first section of the adjustable rod, the second section of the adjustable rod and the third section of the adjustable rod.

9. The belt lifting apparatus for a pumping unit well of claim 1, wherein, The bottom end of the rotating arm (2) is provided with a connecting head, the outer side of the connecting head is provided with a thread, the rotating arm (2) is connected with the adjustable rod (5) through the thread, the rotating angle range of the rotating arm (2) is 360°, the top end of the rotating arm (2) is provided with a mechanical fixing hand, a plurality of movable locking pins are arranged on the mechanical fixing hand, the pumping unit belt is connected with the mechanical fixing hand, and the mechanical fixing hand fixes or loosens the pumping unit belt through the plurality of locking pins.

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