CN220613848U - Special tool for disassembling and assembling plunger pump crankshaft - Google Patents
Special tool for disassembling and assembling plunger pump crankshaft Download PDFInfo
- Publication number
- CN220613848U CN220613848U CN202322304922.9U CN202322304922U CN220613848U CN 220613848 U CN220613848 U CN 220613848U CN 202322304922 U CN202322304922 U CN 202322304922U CN 220613848 U CN220613848 U CN 220613848U
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- Prior art keywords
- pipe
- slide block
- disassembling
- plunger pump
- assembling
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- 210000001503 joint Anatomy 0.000 claims abstract description 17
- 230000006835 compression Effects 0.000 claims abstract description 9
- 238000007906 compression Methods 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 abstract description 10
- 238000012423 maintenance Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000006378 damage Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model discloses a special tool for disassembling and assembling a plunger pump crankshaft, which comprises an L-shaped balance pipe, wherein a movable hoisting slide block is arranged on the balance pipe, a tubular butt joint pipe is arranged at the tail part of the balance pipe, a pair of locking bolts are arranged on the side wall of the butt joint pipe, a sheet-shaped compression gasket is arranged in the butt joint pipe, the locking bolts penetrate through the compression gasket, the hoisting slide block comprises a tubular slide block pipe body, and a pair of slide block bolts are arranged on the side wall of the slide block pipe body. The special tool for disassembling and assembling the plunger pump crankshaft is light in structure, easy to process and manufacture and convenient to carry. Compared with the method of using the counterweight to find the balance point, the tool does not add extra weight and has small pulling force on the lifting hook. In addition, the tool is simple to operate, the requirement on maintenance personnel is reduced, and the safety risk in the crank dismounting process is reduced.
Description
Technical Field
The utility model relates to an oilfield maintenance tool, in particular to a special tool for disassembling and assembling a plunger pump crankshaft.
Background
The plunger pump is widely applied in oil fields due to reliable performance, high operation efficiency and the like, and a large number of plunger pumps are used in the fields of high-pressure water injection, gas injection and the like, and the common plunger pumps comprise three plungers, five plungers and the like. Although the frequency of crankshaft maintenance is low during production, for some plunger pumps with longer running times, when the crankshaft or bearings wear, the crankshaft needs to be removed from the pump and reinstalled after maintenance.
Production practice proves that the labor intensity of manually assembling and disassembling the crankshaft is high and the time is long because the crankshaft is heavy and the operation space in a common pump room is limited. In special cases, the damage to the crankshaft or injury to maintenance personnel caused by the poor control of the crankshaft during the extraction of the crankshaft can occur easily, thereby causing unnecessary economic loss. Therefore, the crankshaft assembly and disassembly generally requires experienced workers to complete.
Disclosure of Invention
Accordingly, it is necessary to provide a tool for attaching and detaching a plunger pump crankshaft in order to solve the above-mentioned problems.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the special tool for disassembling and assembling the plunger pump crankshaft is characterized by comprising an L-shaped balance pipe, wherein a movable hoisting slide block is arranged on the balance pipe, a tubular butt joint pipe is arranged at the tail part of the balance pipe, a pair of locking bolts are arranged on the side wall of the butt joint pipe, a flaky compression gasket is arranged in the butt joint pipe, the locking bolts penetrate through the compression gasket, the hoisting slide block comprises a tubular slide block pipe body, and a pair of slide block bolts are arranged on the side wall of the slide block pipe body.
As a preferred embodiment of the utility model, a lifting lug is arranged on the side wall of the sliding block pipe body.
As a preferred embodiment of the utility model, the lifting lug is omega-shaped.
As a preferred embodiment of the utility model, the length of the balance pipe is consistent with the length of the crankshaft.
As a preferred embodiment of the utility model, the inner diameter of the sliding block pipe body is 3-5 mm larger than the outer diameter of the balance pipe.
As a preferred embodiment of the utility model, the inner diameter of the butt joint pipe is 6-8 mm larger than the outer diameter of the crankshaft.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model provides a special tool for disassembling and assembling a plunger pump crankshaft, which has the advantages of light structure, easiness in processing and manufacturing and convenience in carrying. Compared with the method of using the counterweight to find the balance point, the tool does not add extra weight and has small pulling force on the lifting hook. In addition, the tool is simple to operate, the requirement on maintenance personnel is reduced, and the safety risk in the crank dismounting process is reduced.
Drawings
In order to more clearly illustrate the solution of the present utility model, a brief description will be given below of the drawings required for the description of the embodiments, it being obvious that the drawings in the following description are some embodiments of the present utility model, and that other drawings may be obtained from these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of a tool for assembling and disassembling a crankshaft of a plunger pump according to the present utility model;
fig. 2 is a schematic perspective view of a lifting slider of the special tool for disassembling and assembling the plunger pump crankshaft in fig. 1;
FIG. 3 is a schematic perspective view of a tool for assembling and disassembling the crankshaft of the plunger pump in FIG. 1, which is a side view;
the labels in the figures are illustrated below: 11. a balance tube; 12. hoisting the sliding block; 121. a slider tube; 122. lifting lugs; 123. a slide block bolt is arranged; 13. a butt joint pipe; 14. a locking bolt; 15. and (5) pressing the gasket.
Description of the embodiments
The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.
As shown in fig. 1 to 3, the special tool for disassembling and assembling the plunger pump crankshaft comprises an L-shaped balance pipe 11, a movable lifting slide block 12 is arranged on the balance pipe 11, a tubular butt joint pipe 13 is arranged at the tail part of the balance pipe 11, a pair of locking bolts 14 are arranged on the side wall of the butt joint pipe 13, a sheet-shaped compression gasket 15 is arranged in the butt joint pipe 13, the locking bolts 14 penetrate through the compression gasket 15, the lifting slide block 12 comprises a tubular slide block pipe body 121, and a pair of slide block bolts 123 are arranged on the side wall of the slide block pipe body 121.
A lifting lug 122 is arranged on the side wall of the sliding block pipe body 121.
The lifting lug 122 is omega-shaped.
The length of the balance pipe 11 corresponds to the length of the crankshaft. The inner diameter of the slider tube 121 is 3 to 5mm larger than the outer diameter of the balance tube 11. The inner diameter of the butt joint pipe 13 is 6-8 mm larger than the outer diameter of the crankshaft.
The following describes a method for using the special tool for disassembling and assembling the plunger pump crankshaft, and the method comprises the following steps:
step 1, dismantling end covers and bearings at two ends of a crankshaft;
and 2, connecting the butt joint pipe 13 with one end of the bearing, filling a compression gasket 15, and tightening a locking bolt 14.
Step 3, adjusting the lifting slide block 12 to the balance point position, and locking the lifting slide block 12 by utilizing a slide block bolt 123;
step 4, hanging the lifting lug 122 by using a gantry crane;
and 5, moving the gantry crane to the outside of the pump, and pulling out the crankshaft.
And 6, after equipment maintenance is completed, the gantry crane is moved to send the crankshaft into the pump, the special tool is removed, and the equipment is restored.
The special tool for disassembling and assembling the plunger pump crankshaft is light in structure, easy to process and manufacture and convenient to carry. Compared with the method of using the counterweight to find the balance point, the tool does not add extra weight and has small pulling force on the lifting hook. In addition, the tool is simple to operate, the requirement on maintenance personnel is reduced, and the safety risk in the crank dismounting process is reduced.
Without being limited thereto, any changes or substitutions that are not contemplated by the inventors are intended to be included within the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope defined by the claims.
Claims (6)
1. The special tool for disassembling and assembling the plunger pump crankshaft is characterized by comprising an L-shaped balance pipe (11), wherein a movable hoisting slide block (12) is arranged on the balance pipe (11), a tubular butt joint pipe (13) is arranged at the tail part of the balance pipe (11), a pair of locking bolts (14) are arranged on the side wall of the butt joint pipe (13), a sheet-shaped compression gasket (15) is arranged in the butt joint pipe (13), the locking bolts (14) penetrate through the compression gasket (15), the hoisting slide block (12) comprises a tubular slide block pipe body (121), and a pair of slide block bolts (123) are arranged on the side wall of the slide block pipe body (121).
2. The special tool for disassembling and assembling the plunger pump crankshaft according to claim 1, wherein a lifting lug (122) is arranged on the side wall of the sliding block pipe body (121).
3. The special tool for disassembling and assembling a plunger pump crankshaft according to claim 2, wherein the lifting lug (122) is omega-shaped.
4. The special tool for disassembling and assembling the plunger pump crankshaft according to claim 1, wherein the length of the balance pipe (11) is identical to the length of the crankshaft.
5. The special tool for disassembling and assembling the plunger pump crankshaft according to claim 1, wherein the inner diameter of the sliding block pipe body (121) is 3-5 mm larger than the outer diameter of the balance pipe (11).
6. The special tool for disassembling and assembling the plunger pump crankshaft according to claim 1, wherein the inner diameter of the butt joint pipe (13) is 6-8 mm larger than the outer diameter of the crankshaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322304922.9U CN220613848U (en) | 2023-08-28 | 2023-08-28 | Special tool for disassembling and assembling plunger pump crankshaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322304922.9U CN220613848U (en) | 2023-08-28 | 2023-08-28 | Special tool for disassembling and assembling plunger pump crankshaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220613848U true CN220613848U (en) | 2024-03-19 |
Family
ID=90232259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322304922.9U Active CN220613848U (en) | 2023-08-28 | 2023-08-28 | Special tool for disassembling and assembling plunger pump crankshaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220613848U (en) |
-
2023
- 2023-08-28 CN CN202322304922.9U patent/CN220613848U/en active Active
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