CN114001021A - Tool for assembling and disassembling bearing bush of connecting rod of drilling pump - Google Patents
Tool for assembling and disassembling bearing bush of connecting rod of drilling pump Download PDFInfo
- Publication number
- CN114001021A CN114001021A CN202111438986.7A CN202111438986A CN114001021A CN 114001021 A CN114001021 A CN 114001021A CN 202111438986 A CN202111438986 A CN 202111438986A CN 114001021 A CN114001021 A CN 114001021A
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- cavity
- bearing bush
- crankshaft
- crosshead
- Prior art date
- 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.)
- Pending
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 claims abstract description 6
- 239000003208 petroleum Substances 0.000 abstract description 2
- 238000005096 rolling process Methods 0.000 description 10
- 241000227287 Elliottia pyroliflora Species 0.000 description 2
- 210000004907 gland Anatomy 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The invention discloses a tool for assembling and disassembling a connecting rod bearing bush of a drilling pump, which relates to the field of petroleum engineering equipment, and particularly comprises a connecting rod bearing bush assembling and disassembling tool, a crankshaft at a power end of a rack, a crosshead cavity, an M16 adjusting screw, a rotating rod, an M20 height adjusting seat, a disc, a crankshaft cavity small plane, a crankshaft cavity inclined plane, a crosshead cavity lower plane, a lowest lower bus and the like, wherein the tool has a simple structure, and can meet five requirements of assembling and disassembling the connecting rod bearing bush on the tool in the crankshaft at the power end of the rack and the crosshead cavity: the heights of the upper surface and the lowest lower bus are equal; contacting the end face with the end face; the end surface and the end surface are not separated in the working process of assembling and disassembling the connecting rod bearing bush of the drilling pump; fourthly, although the positions of the small plane of the crankshaft cavity, the inclined plane of the crankshaft cavity and the lower plane of the crosshead cavity of different cavities of the drilling pump are different, the requirements of the first step and the second step are rapidly met; the connecting rod bearing bush assembling and disassembling tool is very convenient to take out and put in from a crankshaft at the power end of the rack and a crosshead cavity.
Description
Technical Field
The invention relates to the field of petroleum engineering equipment, in particular to a drilling pump connecting rod bearing bush assembling and disassembling tool.
Background
The drilling pump of the sliding bearing connecting rod component is developed on the market, the rolling bearing connecting rod component of the traditional drilling pump is changed into the sliding bearing connecting rod component, namely the rolling bearing of the big end of the connecting rod is changed into the connecting rod bearing bush, the sliding bearing of the small end of the connecting rod is changed into the connecting rod copper bush, the weight of the connecting rod component is greatly reduced, for example, the weight sum of three parts of the rolling bearing connecting rod component, the rolling bearing connecting rod body, the big end rolling bearing and the small end rolling bearing of the 2200hp drilling pump is 1360kg, the weight sum of three parts of the sliding bearing connecting rod body, the connecting rod bearing bush and the connecting rod copper bush in the sliding bearing connecting rod component of the 2400hp drilling pump is changed into 152 kg, and the weight sum of three parts of the rolling bearing connecting rod component is 11% of the weight of the three parts of the rolling bearing connecting rod component. The sliding bearing connecting rod component has the great advantage that the connecting rod bearing bush replacing the original connecting rod big-end rolling bearing is very easy to assemble and disassemble, all upper covers of a crosshead cavity of a rack are required to be completely disassembled to disassemble the rolling bearing with the original connecting rod big end, the crossheads of all cylinders are separated from the connecting rod, a gland of a rack press crankshaft bearing is disassembled, a crankshaft assembly and all connecting rods are all hung out of the rack of the drilling pump to be disassembled, the connecting rod bearing bush is disassembled by the sliding bearing connecting rod component, all upper covers of the crosshead cavity of the rack are not required to be completely disassembled, the crossheads of all cylinders are not required to be separated from the connecting rod, the gland of the rack press crankshaft bearing is not required to be disassembled, the crankshaft assembly and all connecting rods are not required to be completely hung out of the rack of the drilling pump to be disassembled, only a small window at the rear end of the rack cavity is required to be opened to assemble and disassemble the connecting rod bearing bush so as to meet the requirement, the connecting rod and bearing bush mounting and dismounting tool is needed, wherein a tool is needed at the rear end of a crankshaft cavity of a rack, so that the problem to be solved is solved urgently by researching the connecting rod and bearing bush mounting and dismounting tool for the drilling pump.
Disclosure of Invention
The invention aims to provide a drilling pump connecting rod bearing bush assembling and disassembling tool.
The technical scheme of the invention is as follows:
a crankshaft cavity small plane, a crankshaft cavity inclined plane and a crosshead cavity lower plane of a crankshaft and a crosshead cavity at the power end of the rack are surfaces which do not need to be machined after the rack is welded, a crosshead lower slide friction surface is a surface which is subjected to precision machining, and a certain error is allowed in the precision of the mutual position of a lowest lower bus relative to the crankshaft cavity small plane, the crankshaft cavity inclined plane and the crosshead cavity lower plane.
The connecting rod bearing shell mounting and dismounting tool is divided into three components, wherein the functions of each component are different, the first component is a mounting and dismounting plate, the second component is an M16 adjusting screw, and the third component is an M20 height adjusting seat.
The first assembly and disassembly plate of the connecting rod bearing bush assembly and disassembly tool has the function of a working surface during assembly and disassembly of the connecting rod bearing bush of the drilling pump, the connecting rod bearing bush and a connecting rod big head cover for mounting the connecting rod bearing bush are taken out or mounted from a small window at the rear end of a rack along the working surface, the second assembly M16 adjusting screw has the function of screwing the depth of an M16 internal thread through an M16 thread to adjust whether a ball head is in contact with a crankshaft cavity inclined plane, and the third assembly M20 height adjusting seat has the function of screwing the depth of an M20 internal thread through an M20 external thread to adjust the relative distance between the upper surface and a supporting surface.
The requirements that the connecting rod bearing bush can pass through a small window smoothly during the assembling and disassembling work of the connecting rod bearing bush of the drilling pump and that the connecting rod bearing bush assembling and disassembling tool is arranged in a crankshaft and a crosshead cavity at the power end of a rack are as follows: the heights of the upper surface and the lower bus of the lowest crosshead slide way are equal; contacting the end surface of the tool with the end surface of the crosshead slide way; thirdly, in the working process of assembling and disassembling the connecting rod bearing bush of the drilling pump, the end surface of the tool cannot be separated from the end surface of the crosshead slide way; fourthly, although the positions of the small plane of the crankshaft cavity, the inclined plane of the crankshaft cavity and the lower plane of the crosshead cavity of different cavities of the drilling pump are different, the requirements of the first step and the second step are rapidly met; the connecting rod bearing bush assembling and disassembling tool is very convenient to take out and put in from a crankshaft and a crosshead cavity at the power end of the rack. The method for the connecting rod bearing bush assembling and disassembling tool to meet the 5 requirements is as follows: the connecting rod bearing bush assembling and disassembling tool is placed in a crankshaft and crosshead cavity at the power end of a rack, a supporting surface is placed on the lower plane of the crosshead cavity, a high supporting surface is placed on the small plane of the crankshaft cavity, the end surface of the tool is in contact with the end surface of a crosshead slide way, the depth of an M20 external thread screwed with an M20 internal thread is adjusted through rotating a disc, the relative distance between the upper surface and the supporting surface can be adjusted, and the first requirement is met; rotating the rotating rod to adjust the depth of the M16 thread of the M16 adjusting screw screwed into the M16 internal thread, so that the ball head is in contact with the inclined plane of the crankshaft cavity, and the third technical requirement is met; because the connecting rod bearing bush assembling and disassembling tool is provided with the M16 adjusting screw and the M20 height adjusting seat, the fourth requirement is met; the inclined plane of the crankshaft cavity has a big top and a small bottom, and can meet the fifth requirement.
Drawings
FIG. 1 is a partial perspective view of a drilling pump connecting rod bearing shell mounting and dismounting tool and a frame;
FIG. 2 is an exploded view of a drilling pump connecting rod bearing shell assembly and disassembly tool;
FIG. 3 is a front view and a right side view of a drilling pump connecting rod bearing shell mounting and dismounting tool;
FIG. 4-section A-A of FIG. 3;
FIG. 5-section B-B of FIG. 3;
FIG. 6-C of FIG. 4 are enlarged partial views;
FIG. 7 is a top view of the connecting rod bushing assembly and disassembly tool mounted in a frame;
FIG. 8-section A-A of FIG. 7;
FIG. 9-C are enlarged partial views of FIG. 8;
fig. 10-fig. 8 at D are enlarged partial views.
The reference numbers are as follows:
the device comprises a 1-connecting rod bearing bush assembling and disassembling tool, a 2-machine frame power end crankshaft and crosshead cavity, a 1.1-M16 adjusting screw, a 1.1.1-rotating rod, a 1.1.2-M16 thread, a 1.1.3-bulb, a 1.2-assembling and disassembling plate, a 1.2.1-height supporting surface, a 1.2.2-M16 internal thread, a 1.2.3-upper surface, a 1.2.4-M20 internal thread, a 1.2.5-end surface, a 1.3-M20 height adjusting seat, a 1.3.1-M20 external thread, a 1.3.2-supporting surface, a 1.3.3-disc, a 2.1-crankshaft cavity small plane, a 2.2-crankshaft cavity inclined plane, a 2.3-crosshead cavity lower plane, a 2.4-lower slideway friction surface, a 2.4.1-lowest bus, a 2.4.2-end surface and a 2.5-small window.
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.
The invention is implemented by taking a borehole pump with the height of 2200hp as an example.
Referring to fig. 1 to 10, the tool for mounting and dismounting the connecting rod bearing bush of the drill pump in the embodiment comprises a connecting rod bearing bush mounting and dismounting tool 1, a crankshaft and a crosshead cavity 2 at a power end of a rack, an M16 adjusting screw 1.1, a rotating rod 1.1.1, an M16 thread 1.1.2, a ball head 1.1.3, a mounting and dismounting plate 1.2, a height supporting surface 1.2.1, an M16 internal thread 1.2.2, an upper surface 1.2.3, an M20 internal thread 1.2.4, an end surface 1.2.5, an M20 height adjusting seat 1.3, an M20 external thread 1.3.1, a supporting surface 1.3.2, a disc 1.3, a crankshaft cavity small plane 2.1, a crankshaft cavity inclined plane 2.2, a crosshead cavity lower plane 2.3, a crosshead lower slideway friction surface 2.4, a lowest lower bus 2.4.1, an end surface 2.4.2 and a small window 2.5.
Referring to fig. 1, a crankshaft cavity small plane 2.1, a crankshaft cavity inclined plane 2.2 and a crosshead cavity lower plane 2.3 of a crankshaft and a crosshead cavity 2 at a power end of a rack are surfaces which do not need to be machined after the rack is welded, a crosshead lower slide friction surface 2.4 is a surface which is subjected to precision machining, and the precision of the mutual position of a lowest lower bus 2.4.1 relative to the crankshaft cavity small plane 2.1, the crankshaft cavity inclined plane 2.2 and the crosshead cavity lower plane 2.3 allows certain errors.
Referring to fig. 1 and 2, the connecting rod and bush mounting and dismounting tool 1 is divided into three components, each of which has different functions, the first component is a mounting and dismounting plate 1.2, the second component is an M16 adjusting screw 1.1, and the third component is an M20 height adjusting seat 1.3.
Referring to fig. 3, 4, 5 and 6, the connecting rod and bush mounting and dismounting tool 1 has a first assembly mounting and dismounting plate 1.2 which functions as a working surface for mounting and dismounting the connecting rod and bush of the drilling pump, a connecting rod bush and a connecting rod big head cover for mounting the connecting rod and bush are taken out of or mounted on a small window 2.5 at the rear end of a frame along an upper surface 1.2.3, a second assembly M16 adjusting screw 1.1 functions to screw in the depth of an M16 internal thread 1.2 through an M16 thread 1.1.2, whether a ball head 1.1.3 is in contact with a crankshaft cavity inclined plane 2.2 is adjusted, and a third assembly M20 height adjusting seat 1.3 functions to adjust the relative distance between the upper surface 1.2.3 and a supporting surface 1.3.2 through an M20 external thread 1.3.1 and a screw driver M20 thread 1.2.4.
Referring to fig. 7, 8, 9 and 10, in order to smoothly pass the connecting rod bearing bush through the small window 2.5, the connecting rod bearing bush mounting and dismounting tool 1 is required to be mounted in a crankshaft and a crosshead cavity 2 at the power end of a frame: the height of the upper surface 1.2.3 is equal to that of the lowest lower bus 2.4.1; end face 1.2.5 contacts end face 2.4.2; thirdly, in the working process of assembling and disassembling the connecting rod bearing bush of the drilling pump, the end surface 1.2.5 and the end surface 2.4.2 cannot be separated; fourthly, although the positions of the crankshaft cavity small plane 2.1, the crankshaft cavity inclined plane 2.2 and the lower plane 2.3 of the crosshead cavity of different cavities of the drilling pump are different, the requirements of the first step and the second step are rapidly met; the connecting rod bearing bush mounting and dismounting tool 1 is very convenient to take out and put in from a crankshaft at the power end of the rack and the crosshead cavity 2. The method for the connecting rod bearing bush assembling and disassembling tool to meet the 5 requirements is as follows: the connecting rod bearing bush assembling and disassembling tool 1 is placed into a crankshaft and a crosshead cavity 2 at a power end of a rack, a supporting surface 1.3.2 is placed on a lower plane 2.3 of the crosshead cavity, a height supporting surface 1.2.1 is placed on a small plane 2.1 of the crankshaft cavity, an end surface 1.2.5 is in contact with the end surface 2.4.2, the relative distance between an upper surface 1.2.3 and the supporting surface 1.3.2 can be adjusted by rotating a disc 1.3.3 and adjusting the depth of an M20 external thread 1.3.1 to an M20 internal thread 1.2.4, and the first requirement is met; rotating the rotating rod 1.1.1, adjusting the depth of screwing the M16 thread 1.1.2 of the M16 adjusting screw 1.1 into the M16 internal thread 1.2.2, so that the ball head 1.1.3 is contacted with the crankshaft cavity inclined plane 2.2, and the third technical requirement is met; the connecting rod bearing bush assembling and disassembling tool 1 is provided with an M16 adjusting screw 1.1 and an M20 height adjusting seat 1.3, so that the fourth requirement is met; the inclined plane of the crankshaft cavity inclined plane 2.2 is big at the top and small at the bottom, and can meet the fifth requirement.
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 (3)
1. The utility model provides a drilling pump connecting rod axle bush installs and removes instrument, characterized in that, connecting rod axle bush installs and removes instrument (1), bent axle and crosshead cavity (2) of frame power end, M16 adjusting screw (1.1), rotary rod (1.1.1), M16 screw thread (1.1.2), bulb (1.1.3), install and remove board (1.2), high bearing surface (1.2.1), M16 internal thread (1.2.2), upper surface (1.2.3), M20 internal thread (1.2.4), terminal surface (1.2.5), M20 height adjustment seat (1.3), M20 external thread (1.3.1), bearing surface (1.3.2), disc (1.3.3), bent axle chamber facet (2.1), bent axle chamber inclined plane (2.2), crosshead cavity lower plane (2.3), lower friction surface (2.4), lowest generating line (2.4.1), crosshead slide.
2. The connecting rod and bearing bush mounting and dismounting tool for the drilling pump is characterized in that the connecting rod and bearing bush mounting and dismounting tool (1) is divided into three components, the functions of each component are different, the first component of the connecting rod and bearing bush mounting and dismounting tool (1) is a mounting and dismounting plate (1.2) which has the function of a working surface when the connecting rod and bearing bush of the drilling pump is mounted and dismounted, the second component is an M16 adjusting screw (1.1) which has the function of screwing the depth of an M16 thread (1.1.2) into an M16 internal thread (1.2.2) to adjust whether a ball head (1.1.3) is contacted with a crankshaft cavity inclined surface (2.2), and the third component is an M20 height adjusting seat (1.3) which has the function of screwing the depth of an M20 internal thread (1.2.4) through an M20 external thread (1.3.1) to adjust the relative distance between the upper surface (1.2.3) and a supporting surface (1.3.2).
3. The tool for assembling and disassembling the connecting rod and the bearing bush of the drilling pump as claimed in claim 1, which is to meet the requirement that the assembling and disassembling work of the connecting rod and the bearing bush of the drilling pump is smoothly carried out, and the connecting rod and the bearing bush assembling and disassembling tool (1) is arranged in a crankshaft and a crosshead cavity (2) at the power end of a frame: the height of the upper surface (1.2.3) is equal to that of the lowest lower bus (2.4.1); the end face (1.2.5) is contacted with the end face (2.4.2); thirdly, in the working process of assembling and disassembling the connecting rod bearing bush of the drilling pump, the end surface (1.2.5) and the end surface (2.4.2) cannot be separated; fourthly, although the positions of a crankshaft cavity small plane (2.1), a crankshaft cavity inclined plane (2.2) and a lower plane (2.3) of the crosshead cavity of different cavities of the drilling pump are different, the requirements of the first step and the second step are rapidly met; the connecting rod bearing bush assembling and disassembling tool (1) is very convenient to take out and put in from a crankshaft and a crosshead cavity (2) at the power end of the rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111438986.7A CN114001021A (en) | 2021-11-29 | 2021-11-29 | Tool for assembling and disassembling bearing bush of connecting rod of drilling pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111438986.7A CN114001021A (en) | 2021-11-29 | 2021-11-29 | Tool for assembling and disassembling bearing bush of connecting rod of drilling pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114001021A true CN114001021A (en) | 2022-02-01 |
Family
ID=79930808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111438986.7A Pending CN114001021A (en) | 2021-11-29 | 2021-11-29 | Tool for assembling and disassembling bearing bush of connecting rod of drilling pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114001021A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200184749Y1 (en) * | 2000-01-17 | 2000-06-01 | 박철수 | A reading desk |
| KR200304187Y1 (en) * | 2002-06-14 | 2003-02-19 | 윤상범 | ladder support |
| CN201827052U (en) * | 2010-10-29 | 2011-05-11 | 四川宏华石油设备有限公司 | Component facilitating disassembly of crosshead and connecting rod |
| CN205845013U (en) * | 2016-04-13 | 2016-12-28 | 季秀灵 | A kind of Multi-Function Keyboard |
| CN106337804A (en) * | 2016-11-08 | 2017-01-18 | 四川宏华石油设备有限公司 | Novel Cross Head Device for Fracturing Pump |
| CN206158996U (en) * | 2016-11-04 | 2017-05-10 | 宝鸡石油机械有限责任公司 | Five jar bore hole pump power end structures |
| CN210107314U (en) * | 2019-05-20 | 2020-02-21 | 江苏欧辉照明灯具有限公司 | Lamp holder capable of electrically adjusting angle |
| CN211649688U (en) * | 2020-02-26 | 2020-10-09 | 肖海龙 | Total powerstation chassis frame |
| CN113482910A (en) * | 2021-08-25 | 2021-10-08 | 黄秀芳 | Tool for detaching cylinder sleeve of drilling pump |
-
2021
- 2021-11-29 CN CN202111438986.7A patent/CN114001021A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200184749Y1 (en) * | 2000-01-17 | 2000-06-01 | 박철수 | A reading desk |
| KR200304187Y1 (en) * | 2002-06-14 | 2003-02-19 | 윤상범 | ladder support |
| CN201827052U (en) * | 2010-10-29 | 2011-05-11 | 四川宏华石油设备有限公司 | Component facilitating disassembly of crosshead and connecting rod |
| CN205845013U (en) * | 2016-04-13 | 2016-12-28 | 季秀灵 | A kind of Multi-Function Keyboard |
| CN206158996U (en) * | 2016-11-04 | 2017-05-10 | 宝鸡石油机械有限责任公司 | Five jar bore hole pump power end structures |
| CN106337804A (en) * | 2016-11-08 | 2017-01-18 | 四川宏华石油设备有限公司 | Novel Cross Head Device for Fracturing Pump |
| CN210107314U (en) * | 2019-05-20 | 2020-02-21 | 江苏欧辉照明灯具有限公司 | Lamp holder capable of electrically adjusting angle |
| CN211649688U (en) * | 2020-02-26 | 2020-10-09 | 肖海龙 | Total powerstation chassis frame |
| CN113482910A (en) * | 2021-08-25 | 2021-10-08 | 黄秀芳 | Tool for detaching cylinder sleeve of drilling pump |
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