CN113482910A - Tool for detaching cylinder sleeve of drilling pump - Google Patents
Tool for detaching cylinder sleeve of drilling pump Download PDFInfo
- Publication number
- CN113482910A CN113482910A CN202110980227.7A CN202110980227A CN113482910A CN 113482910 A CN113482910 A CN 113482910A CN 202110980227 A CN202110980227 A CN 202110980227A CN 113482910 A CN113482910 A CN 113482910A
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- China
- Prior art keywords
- positioning plate
- cylinder sleeve
- tool
- horizontal positioning
- pump
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000005553 drilling Methods 0.000 title claims abstract description 29
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 239000003208 petroleum Substances 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005282 brightening Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
- F04B53/162—Adaptations of cylinders
- F04B53/166—Cylinder liners
- F04B53/168—Mounting of cylinder liners in cylinders
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/22—Arrangements for enabling ready assembly or disassembly
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
The invention discloses a tool for disassembling a cylinder sleeve of a drilling pump, which relates to the field of petroleum engineering equipment, in particular to a tool for disassembling the cylinder sleeve of the drilling pump, and comprises a height positioning plate, a horizontal positioning plate, M20 bolts and stud bolts, wherein when the cylinder sleeve is disassembled, the inner arc surface of the height positioning plate, two M20 screw holes, the inner arc surface of the horizontal positioning plate, two 21mm through holes, one M39 screw hole and the stud bolts are utilized, so that the pulling force for disassembling the cylinder sleeve can be coaxial with the axis of the cylinder sleeve, the cylinder sleeve can be easily disassembled, the tool for disassembling the cylinder sleeve of the drilling pump has very simple structure, the cylinder sleeve is convenient to operate, safe and reliable, the complex and high-cost PQP cylinder sleeve disassembling tool in Britain is not required to be imitated, the risk of worrying knowledge infringement of users selling the drilling pump abroad is avoided, the manufacturing in China is brightened, and the manufacturing cost is reduced, the price competitiveness of the drilling pump is improved.
Description
Technical Field
The invention relates to the field of petroleum engineering equipment, in particular to a tool for disassembling a cylinder sleeve of a drilling pump.
Background
With the increasing competition of oil prices, oil exploitation units increase the drilling efficiency and reduce the oil exploitation cost to a very important position. The borehole pump is a heart device in the well drilling equipment, and the borehole pump plays an important role in improving the well drilling efficiency and reducing the well drilling cost. In order to provide drilling efficiency and reduce oil exploitation cost, the drilling pump needs to have larger power, and in order to meet the requirement, the enthusiasm of drilling pump manufacturers for actively developing novel high-power drilling pumps is promoted. Because the number of well pump production enterprises is extremely large, the competition among the well pump enterprises is very strong, and in order to win the strong competition, all aspects of the design, price, delivery cycle, service and the like of the well pump are required to be tried.
In the design of the drilling pump, the cost is reduced as much as possible under the condition of meeting the quality requirement, so that the drilling pump has market competitiveness. For example, in order to improve the reliability of pulling out a cylinder sleeve of a drilling pump, some domestic enterprises imitate a PQP cylinder sleeve disassembling tool in the United kingdom at present, and the price of the tool is more than 3 ten thousand dollars.
Disclosure of Invention
The invention aims to provide a tool for detaching a cylinder sleeve of a drilling pump.
The technical scheme of the invention is as follows:
the technical scheme of the invention comprises a height positioning plate, a horizontal positioning plate, an M20 bolt, a stud bolt, a cylinder sleeve, a stud bolt and a hydraulic end.
The hole center connecting lines of the two M20 screw holes of the height positioning plate are arranged on the diameter line of the inner arc surface of the height positioning plate and are symmetrical relative to the circle center of the inner arc surface of the height positioning plate, and the diameter of the inner arc surface of the height positioning plate is 0.1-0.2 mm larger than the diameter of the excircle of the rear end of the cylinder sleeve.
The axial lead of two through-holes of horizontal positioning board and the axial lead of the M39 screw hole of horizontal positioning board are on same plane, the axial lead of two through-holes of horizontal positioning board is symmetric distribution relative to the axial lead of the M39 screw hole of horizontal positioning board, the center distance of two through-holes of horizontal positioning board and the hole center distance of two M20 screw holes of height positioning board are equal, the axial lead of M39 screw hole of horizontal positioning board and the axial lead of the interior cambered surface of horizontal positioning board are coaxial, the diameter of the interior cambered surface of horizontal positioning board is 0.1 ~ 0.2mm bigger than the diameter of the front end excircle of cylinder liner.
The threaded axes of the two ends M39 of the stud bolt are coaxial.
The 4 studs compress the cylinder sleeve when the cylinder sleeve is installed and used, so that the cylinder sleeve is not disassembled, and when the cylinder sleeve is disassembled, the two grooves of the height positioning plate are specially designed to adapt to the positions of the studs.
When the cylinder sleeve is disassembled, the two grooves of the height positioning plate penetrate through the 2 studs on the height positioning plate, the inner arc surface of the height positioning plate is contacted with the outer circle of the rear end of the cylinder sleeve, and the end surface of the height positioning plate is contacted with the rear lug boss surface of the cylinder sleeve, so that the axes of the 2M 20 screw holes of the height positioning plate are positioned in the symmetrical plane of the height direction of the cylinder sleeve; the inner arc surface of the horizontal positioning plate is contacted with the outer circle of the front end of the cylinder sleeve, the inner end surface of the horizontal positioning plate is contacted with the front end surface of the cylinder sleeve, the axes of the two through holes of the horizontal positioning plate are coaxial with the axes of the two M20 screw holes of the height positioning plate, so that the M39 screw hole axes of the horizontal positioning plate are determined to be in the symmetrical plane of the horizontal direction of the cylinder sleeve, then two M20 bolts respectively penetrate through the through holes of the horizontal positioning plate, the M20 screw holes of the height positioning plate are screwed, the step surface of the M20 bolt is contacted with the small end surface of the horizontal positioning plate by an M20 sleeve and a wrench, and then the M20 bolt is fastened. The M39 threads of the stud are threaded into the M39 threads of the horizontal positioning plate so that the axis of the M39 threads of the stud is coaxial with the axis of the cylinder liner.
The M39 screw thread of stud is connected with the M39 internal thread in the joint of the drill pump change piston instrument, the hand-operated disc pump instrument that utilizes the drill pump must dispose can be with the joint in the change piston instrument toward leaving hydraulic end direction and remove, just pull the cylinder liner toward leaving hydraulic end direction pulling, because the axis of the power of pulling the cylinder liner, still because of the excircle of cylinder liner and the cooperation hole of hydraulic end belong to clearance fit, even the cylinder liner runs for a period of time under high temperature and high pressure, the deformation of cylinder liner excircle and the mud that probably appears get into the cylinder liner excircle, partial interference fit has taken place in the cooperation between the excircle of cylinder liner and the mating holes of hydraulic end, the volume of interference fit is also very little, consequently, the very light cylinder liner is dismantled.
The so-called disc pump tool is characterized in that a motor shaft rotates through a stress application rod, a pinion is arranged on the motor shaft, a large gear is arranged on a crankshaft, the rotating speed of the large gear is reduced, the force is increased, the crankshaft is driven to rotate through gear transmission, the crankshaft rotates through a crankshaft connecting rod mechanism, the rotating motion of the crankshaft is converted into the reciprocating linear motion of a crosshead, one end of an intermediate rod is connected with the end face of the crosshead, the other end of the intermediate rod is connected with a joint of a piston replacing tool, and the intermediate rod makes the linear motion to pull a cylinder sleeve. Therefore, the operator can rotate the motor shaft with small force to pull the cylinder sleeve and the hydraulic cylinder out separately.
The tool for disassembling the cylinder sleeve of the drilling pump has the advantages of simple structure, convenient operation of disassembling the cylinder sleeve, safety and reliability, no need of imitating British complex high-cost PQP cylinder sleeve disassembling tools, no risk of infringing knowledge of selling the drilling pump to foreign users, brightening of China manufacture, reduction of manufacturing cost and improvement of price competitiveness of the drilling pump.
Drawings
FIG. 1-an exploded view of a borehole pump cylinder liner removal tool;
FIG. 2-cylinder liner mounted on hydraulic end to be disassembled perspective view;
FIG. 3-a bore hole pump cylinder liner removal tool cylinder liner removal installation perspective view.
The reference numbers are as follows:
1-height positioning plate, 2-horizontal positioning plate, 3-M20 bolt, 4-stud bolt, 5-cylinder sleeve, 6-stud, 7-hydraulic end, 1.1-end surface, 1.2-inner arc surface, 1.3-groove, 1.4-M20 screw hole, 2.1-inner arc surface, 2.2-inner end surface, 2.3-M39 screw hole, 2.4-21mm through hole, 2.5-small end surface, 3.1-M20 screw thread, 3.2-step surface, 4.1-M39 screw thread, 4.2-M39 screw thread, 5.1-rear end excircle, 5.2-rear boss surface, 5.3-front end excircle, 5.4-front end surface.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
The embodiments of the present invention are not limited to the following examples, and various changes made without departing from the spirit of the present invention are within the scope of the present invention.
Referring to fig. 1 to 3, the tool for detaching a cylinder liner of a drill pump in the embodiment includes a height positioning plate 1, a horizontal positioning plate 2, M20 bolts 3, stud bolts 4, a cylinder liner 5, a stud bolt 6, a hydraulic end 7, an end surface 1.1, an inner arc surface 1.2, a groove 1.3, an M20 screw hole 1.4, an inner arc surface 2.1, an inner end surface 2.2, an M39 screw hole 2.3, a 21mm through hole 2.4, a small end surface 2.5, an M20 screw thread 3.1, a step surface 3.2, an M39 screw thread 4.1, an M39 screw thread 4.2, a rear end outer circle 5.1, a rear boss surface 5.2, a front end outer circle 5.3, and a front end surface 5.4.
Referring to fig. 1 and 2, the hole centers of two M20 screw holes 1.4 of the height positioning plate 1 are connected on the diameter line of the inner arc surface 1.2 of the height positioning plate 1, and are symmetrical with respect to the center of the inner arc surface 1.2 of the height positioning plate 1, and the diameter of the inner arc surface 1.2 of the height positioning plate 1 is 0.1-0.2 mm larger than the diameter of the rear end outer circle 5.1 of the cylinder sleeve 5.
Referring to fig. 1 and 2, the axial lines of the two 21mm through holes 2.4 of the horizontal positioning plate 2 and the axial line of the M39 screw hole 2.3 of the horizontal positioning plate 2 are on the same plane, the axial lines of the two 21mm through holes 2.4 of the horizontal positioning plate 2 are symmetrically distributed relative to the axial line of the M39 screw hole 2.3 of the horizontal positioning plate 2, the central distance of the two 21mm through holes 2.4 of the horizontal positioning plate 2 is equal to the central distance of the two M20 screw holes 1.4 of the height positioning plate 1, the axial line of the M39 screw hole 2.3 of the horizontal positioning plate 2 is coaxial with the axial line of the inner arc surface 2.1 of the horizontal positioning plate 2, and the diameter of the inner arc surface 2.1 of the horizontal positioning plate 2 is 0.1-0.2 mm larger than the diameter of the outer circle 5.3 at the front end of the cylinder sleeve 5.
Referring to fig. 1, the axis of the M39 threads 4.1 at both ends of the stud bolt 4 is coaxial with the axis of the M39 threads 4.2.
Referring to fig. 1 and 2, 4 studs 6 are used for pressing the cylinder liner 5 when the cylinder liner 5 is installed and used, so that the cylinder liner 5 is not disassembled, and when the cylinder liner 5 is disassembled, the two grooves 1.3 of the height positioning plate 1 are specially designed to adapt to the positions of the studs 6.
Referring to fig. 1, 2 and 3, when the cylinder sleeve is disassembled, two grooves 1.3 of the height positioning plate 1 penetrate through 2 studs 6 on the height positioning plate, an inner arc surface 1.2 of the height positioning plate 1 is contacted with an outer circle 5.1 at the rear end of the cylinder sleeve 5, and an end surface 1.1 of the height positioning plate 1 is contacted with a rear boss surface 5.2 of the cylinder sleeve 5, so that the axes of 2M 20 screw holes 1.4 of the height positioning plate 1 are determined to be in the symmetrical plane of the height direction of the cylinder sleeve 5; the inner arc surface 2.1 of the horizontal positioning plate 2 is contacted with the outer circle 5.3 of the front end of the cylinder sleeve 5, the inner end surface 2.2 of the horizontal positioning plate 2 is contacted with the front end surface 5.4 of the cylinder sleeve 5, the axes of two 21mm through holes 2.4 of the horizontal positioning plate 2 are coaxial with the axes of two M20 screw holes 1.4 of the height positioning plate 1, so that the M39 screw hole 2.3 axes of the horizontal positioning plate 2 are determined to be in the symmetrical plane of the horizontal direction of the cylinder sleeve, two M20 bolts 3 respectively penetrate through the 21mm through holes 2.4 of the horizontal positioning plate 2, the M20 screw holes 1.4 of the height positioning plate 1 are screwed, the step surface 3.2 of the M20 bolt 3 is contacted with the small end surface 2.5 of the horizontal positioning plate 2 by using an M20 sleeve and a spanner, and then the M20 bolt 3 is fastened. The M39 threads 4.1 of the stud 4 are screwed into the M39 threaded hole 2.3 of the horizontal positioning plate 2 so that the axis of the M39 threads 4.2 of the stud 4 is coaxial with the axis of the cylinder liner 5.
Referring to fig. 3, the M39 threads 4.2 of the stud bolt 4 are connected with the M39 internal threads in the joint of the drill pump piston replacing tool, the joint in the piston replacing tool can move away from the hydraulic end by using a manual disc pump tool which must be configured in the drill pump, so that the cylinder sleeve 5 is pulled away from the hydraulic end, because the force for pulling the cylinder sleeve passes through the axis of the cylinder sleeve, and because the excircle of the cylinder sleeve 5 and the matching inner hole of the hydraulic end belong to clearance fit, even if the cylinder sleeve 5 runs for a period of time under high temperature and high pressure, the excircle of the cylinder sleeve 5 deforms and mud possibly enters the excircle of the cylinder sleeve 5, partial interference fit occurs between the excircle of the cylinder sleeve 5 and the matching hole of the hydraulic end, the amount of the interference fit is small, and therefore, the cylinder sleeve is easily disassembled.
The so-called disc pump tool is characterized in that a motor shaft rotates through a stress application rod, a pinion is arranged on the motor shaft, a large gear is arranged on a crankshaft, the rotating speed of the large gear is reduced, the force is increased, the crankshaft is driven to rotate through gear transmission, the crankshaft rotates through a crankshaft connecting rod mechanism, the rotating motion of the crankshaft is converted into the reciprocating linear motion of a crosshead, one end of an intermediate rod is connected with the end face of the crosshead, the other end of the intermediate rod is connected with a joint of a piston replacing tool, and the intermediate rod makes the linear motion to pull a cylinder sleeve. Therefore, the operator can rotate the motor shaft with small force to pull the cylinder sleeve and the hydraulic cylinder out separately.
The tool for disassembling the cylinder sleeve of the drilling pump has the advantages of simple structure, convenient operation of disassembling the cylinder sleeve, safety and reliability, no need of imitating British complex high-cost PQP cylinder sleeve disassembling tools, no risk of infringing knowledge of selling the drilling pump to foreign users, brightening of China manufacture, reduction of manufacturing cost and improvement of price competitiveness of the drilling pump.
The above detailed description of the embodiments of the present invention is provided in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art, and these changes are within the protection of the present invention and also within the protection scope of the present invention.
Claims (7)
1. The utility model provides a drill pump cylinder liner instrument of dismantling, a serial communication port, height-locating board (1), horizontal location board (2), M20 bolt (3), stud (4), cylinder liner (5), double-screw bolt (6), hydraulic end (7), terminal surface (1.1), interior cambered surface (1.2), groove (1.3), M20 screw (1.4), interior cambered surface (2.1), interior terminal surface (2.2), M39 screw (2.3), 21mm through-hole (2.4), little terminal surface (2.5), M20 screw thread (3.1), step face (3.2), M39 screw thread (4.1), M39 screw thread (4.2), rear end excircle (5.1), back convex mesa (5.2), front end excircle (5.3), preceding terminal surface (5.4).
2. The tool for disassembling the cylinder sleeve of the drilling pump as claimed in claim 1, wherein the hole center connecting lines of two M20 screw holes (1.4) of the height positioning plate (1) are connected on the diameter line of the inner arc surface (1.2) of the height positioning plate (1) and are symmetrical relative to the center of the inner arc surface (1.2) of the height positioning plate (1), and the diameter of the inner arc surface (1.2) of the height positioning plate (1) is 0.1-0.2 mm larger than the diameter of the excircle (5.1) at the rear end of the cylinder sleeve (5).
3. The tool for disassembling the cylinder sleeve of the drilling pump as claimed in claim 1, wherein the axial lines of the two 21mm through holes (2.4) of the horizontal positioning plate (2) and the M39 screw holes (2.3) of the horizontal positioning plate (2) are on the same plane, the axial lines of the two 21mm through holes (2.4) of the horizontal positioning plate (2) are symmetrically distributed relative to the axial line of the M39 screw holes (2.3) of the horizontal positioning plate (2), the central distance of the two 21mm through holes (2.4) of the horizontal positioning plate (2) is equal to the hole central distance of the two M20 screw holes (1.4) of the height positioning plate (1), the axial line of the M39 screw holes (2.3) of the horizontal positioning plate (2) is coaxial with the axial line of the inner arc surface (2.1) of the horizontal positioning plate (2), and the diameter of the inner arc surface (2.1) of the horizontal positioning plate (2) is 0.1-0.2 mm larger than the diameter of the outer circle (5) at the front end of the cylinder sleeve (5).
4. A bore pump bore liner removal tool as claimed in claim 1, wherein the axis of the M39 threads (4.1) at each end of the stud (4) is coaxial with the axis of the M39 threads (4.2).
5. The tool for disassembling the cylinder sleeve of the drilling pump as claimed in claim 1, when the cylinder sleeve is disassembled, two grooves (1.3) of the height positioning plate (1) penetrate through 2 studs (6) on the height positioning plate, an inner arc surface (1.2) of the height positioning plate (1) is contacted with an outer circle (5.1) at the rear end of the cylinder sleeve (5), an end surface (1.1) of the height positioning plate (1) is contacted with a rear boss surface (5.2) of the cylinder sleeve (5), an inner arc surface (2.1) of the horizontal positioning plate (2) is contacted with an outer circle (5.3) at the front end of the cylinder sleeve (5), an inner end surface (2.2) of the horizontal positioning plate (2) is contacted with a front end surface (5.4) of the cylinder sleeve (5), two M20 bolts (3) respectively penetrate through 21mm through holes (2.4) of the horizontal positioning plate (2), a M20 screw hole (1.4) of the height positioning plate (1) is screwed, a step surface (3.2) of the M20 bolt (3) is contacted with a small end surface (2.2) of the horizontal positioning plate (5) by an M20 sleeve and a spanner, then the M20 bolt (3) is fastened, and the M39 thread (4.1) of the stud bolt (4) is screwed into the M39 screw hole (2.3) of the horizontal positioning plate (2).
6. The tool for removing the cylinder liner of the drill pump as claimed in claim 1, wherein the M39 threads (4.2) of the stud bolt (4) are connected with the M39 threads in the joint of the tool for replacing the piston of the drill pump, and the joint of the tool for replacing the piston is moved away from the hydraulic end by using a manual disc pump tool which must be configured for the drill pump, so that the cylinder liner can be easily removed.
7. A drill pump cylinder liner removal tool as claimed in claim 1, said threads M39, M20 are not limited to these two thread specifications.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110980227.7A CN113482910A (en) | 2021-08-25 | 2021-08-25 | Tool for detaching cylinder sleeve of drilling pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110980227.7A CN113482910A (en) | 2021-08-25 | 2021-08-25 | Tool for detaching cylinder sleeve of drilling pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113482910A true CN113482910A (en) | 2021-10-08 |
Family
ID=77947119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110980227.7A Pending CN113482910A (en) | 2021-08-25 | 2021-08-25 | Tool for detaching cylinder sleeve of drilling pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113482910A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114001021A (en) * | 2021-11-29 | 2022-02-01 | 黄秀芳 | Tool for assembling and disassembling bearing bush of connecting rod of drilling pump |
-
2021
- 2021-08-25 CN CN202110980227.7A patent/CN113482910A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114001021A (en) * | 2021-11-29 | 2022-02-01 | 黄秀芳 | Tool for assembling and disassembling bearing bush of connecting rod of drilling pump |
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