CN119304813A - A multi-point electric jar for disassembling the crank pin of an oil pump - Google Patents
A multi-point electric jar for disassembling the crank pin of an oil pump Download PDFInfo
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- CN119304813A CN119304813A CN202310857975.5A CN202310857975A CN119304813A CN 119304813 A CN119304813 A CN 119304813A CN 202310857975 A CN202310857975 A CN 202310857975A CN 119304813 A CN119304813 A CN 119304813A
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- crank pin
- rod
- impact
- disassembling
- screw
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- 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
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
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Abstract
本发明涉及机采设备的维护维修装备技术领域，尤其涉及一种抽油机曲柄销拆解用多点式电动震击器。该抽油机曲柄销拆解用多点式电动震击器装置包括动力装置、拆卸装置和支撑装置，所述动力装置包括连接电机的曲柄连杆冲击结构，动力装置上设有固定架与支撑装置连接，支撑装置包括设有齿条的齿条座，齿条座上设有移动座组件与固定架连接，齿条座上设有前、后步进手柄，齿条杆内两端设有延长杆，延长杆内设有螺杆，螺杆末端设有尾部螺丝、卡盘固定螺丝和曲柄销孔卡盘，所述动力装置输出端连接拆卸装置，本发明提出的抽油机曲柄销拆解用多点式电动震击器固定好后对曲柄销进行不间断的震击，劳动强度小、重量轻、效率高、能对较紧部件进行拆卸。
The present invention relates to the technical field of maintenance and repair equipment for mechanical mining equipment, and in particular to a multi-point electric jar for disassembling crank pins of oil pumping units. The multi-point electric jar device for disassembling crank pins of oil pumping units comprises a power device, a disassembly device and a support device, wherein the power device comprises a crank-connecting rod impact structure connected to a motor, a fixed frame is provided on the power device and connected to the support device, the support device comprises a rack seat provided with a rack, a moving seat assembly is provided on the rack seat and connected to the fixed frame, a front and rear stepping handle is provided on the rack seat, an extension rod is provided at both ends of the rack rod, a screw is provided in the extension rod, a tail screw, a chuck fixing screw and a crank pin hole chuck are provided at the end of the screw, the output end of the power device is connected to the disassembly device, and the multi-point electric jar for disassembling crank pins of oil pumping units proposed by the present invention is fixed to continuously jar the crank pin, which has low labor intensity, light weight, high efficiency and can disassemble tight parts.
Description
Technical Field
The invention relates to the technical field of maintenance equipment of mechanical equipment, in particular to a multipoint electric jar for disassembling a crank pin of an oil pumping unit.
Background
The pumping unit is important extraction equipment in the petroleum industry, the crank pin is a key heavy-load transmission conversion component in a pumping unit transmission system, and the crank pin between the crank pin and the connecting rod is detached essentially by the fact that the crank pin is detached and separated at an irregular period in actual work, but the combination of the crank pin, the crank and the connecting rod is too tight due to a plurality of factors such as the heavy load of the pumping unit, long running time and the like, and the detachment and separation difficulty is high.
In the prior art, aiming at disassembling a crank pin, the first method is mainly used for taking out a special tool system for a crank pin of a pumping unit such as a ZL2013200132853 pumping unit or a ZL2020200439255 pumping unit, a fixed supporting weight hammer is manually used for hammering the crank pin, the method has the advantages of low cost, high labor intensity and low efficiency by means of manual knocking, the second method is used for taking out the crank pin by means of a hydraulic component, the method is fast in installation speed and good in operation effect on a looser crank pin, but has the safety risk of flying out components when the looser crank pin is disassembled, and the third method is used for taking out the crank pin of a rolling sliding hammer type pumping unit such as a ZL2016204394755 rolling sliding hammer type pumping unit, and the supporting rod and the sliding hammer structure are used for manually driving the sliding hammer to impact the crank pin. Thus, in order to overcome the defects, a wellhead pressure reducing device for a production well is provided.
Disclosure of Invention
First, the technical problem to be solved
Aiming at the defects of the prior art, the invention provides a multipoint electric jar for disassembling a crank pin of an oil pumping unit, which solves the problems of high labor intensity, low efficiency, component splashing risk, high tool weight, poor impact force and low mounting and dismounting efficiency when the crank pin is disassembled and the tighter crank pin is disassembled.
(II) technical scheme
In order to solve the problems, the invention provides a multipoint electric jar for disassembling a crank pin of an oil pumping unit, which comprises a power device, a disassembling device and a supporting device;
The output end of the power device is provided with a universal impact seat, the universal impact seat is provided with an impact rod, the bottom of the universal impact seat is provided with a concentric annular groove and a through oil passage hole, and a steel ball is arranged in the annular groove;
The dismounting device is arranged on the universal impact seat and comprises an impact rod and a crank pin shaft protective sleeve, wherein one end of the crank pin shaft protective sleeve is provided with an impact groove, the other end of the crank pin shaft protective sleeve is provided with a crank pin shaft clamping groove, one end of the impact rod is inserted into the universal impact seat, the other end of the impact rod corresponds to the impact groove, and a gap is reserved between the impact rod and the bottom end of the universal impact seat;
The supporting device comprises a movable seat assembly, a rack rod is arranged in the movable seat assembly, racks are arranged above the rack rod, two ends of the rack rod are respectively provided with an extension rod, a screw rod is arranged in each extension rod, the screw rod penetrates through the extension rods to be connected to the rack rod, one end of each screw rod is connected to a crank pin hole chuck arranged at the other end of the rack rod, chuck fixing screws are arranged on the inner side of each crank pin chuck, tail screws are arranged on the outer side of each crank pin chuck, a supporting seat is arranged on the movable seat assembly, and a power device is installed on each supporting seat.
Preferably, the power device comprises a crank connecting rod impact mechanism and a motor which are used as output ends, and a front fixing frame and a rear fixing frame are arranged on the power device and are installed on the supporting seat.
Preferably, the front and rear of the support seat on the movable seat assembly are respectively provided with a rear stepping handle and a front stepping handle.
Preferably, the rear stepping handle and the front stepping handle are respectively fixed on the movable seat assembly through a handle bayonet lock and a stepping wheel shaft, the stepping wheel shaft and the handle bayonet lock are respectively provided with a travelling gear, and the travelling gear is meshed with the rack.
Preferably, a fixed handle is arranged on the chuck fixing screw.
Preferably, the two ends of the inside of the extension rod are provided with extension rod screw bases, and the internal threads of the extension rod screw bases are matched with the screw.
Preferably, two sections inside the rack bar are provided with a rack bar inner coupling, and a thread groove matched with the screw rod is arranged in the rack bar inner coupling.
Preferably, the impact rod is fixed with the universal impact seat through an impact rod locking pin.
(III) beneficial effects
The multipoint electric jar for disassembling the crank pin of the oil pumping unit provided by the invention has the advantages that the motor drives the crank connecting rod impact mechanism to solve the problems of high labor intensity, low efficiency and poor impact force when the crank pin is disassembled, the crank connecting rod impact mechanism drives the disassembling device to continuously jar the crank pin to remove the crank pin, the risks of splashing components when the crank pin is disassembled and the stronger crank pin is disassembled are solved, the framework of the supporting device is simple and light, the problem of low installation and disassembly efficiency in the working process is solved, and the whole weight of the device is lighter, and the problems of high tool weight and low installation and disassembly efficiency are solved.
Drawings
FIG. 1 is a schematic view of a multi-point electric jar for disassembling a crank pin of an oil extractor according to the present invention;
FIG. 2 is a schematic view of a support structure of a multipoint electric jar for crank pin disassembly of the pumping unit of the present invention;
FIG. 3 is a block diagram of a universal impact socket of the multipoint electric jar for disassembling a crank pin of an oil extractor according to the present invention;
Fig. 4 is a view showing the installation of the universal impact seat of the multipoint electric jar for disassembling the crank pin of the pumping unit according to the present invention.
The device comprises a tail screw, a screw rod, a crank pin hole chuck, a chuck fixing screw, a fixed handle, an extension rod, a 7, a rack rod, a 8, a rack, a 9, a front stepping handle, a 10, a movable seat assembly, a 11, a stepping wheel shaft, a 12, a supporting seat, a 13, a handle bayonet lock, a 14, a rear stepping handle, a 15, an extension rod screw seat, a 16, a rack rod inner coupling, a 17, a thread groove, a 18, a crank pin shaft protective sleeve, a 19, a crank pin shaft bayonet groove, a 20, an impact groove, a 21, an impact rod, a 22, an impact rod locking pin, a 23, a universal impact seat, a 24, a crank link impact mechanism, a 25, a front fixing frame, a 26, a rear fixing frame, a 27, a motor, a 28, an oil duct hole, a 29, an annular groove, a 30 and a steel ball.
Description of the embodiments
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the directions or positional relationships indicated by "upper", "lower", "inner", "outer", "top", "bottom", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and are not indicative or implying that the parts referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Embodiment one:
The invention provides a multi-point electric jar for disassembling a crank pin of an oil pumping unit, which is shown in fig. 1-2 and specifically comprises a power device, a disassembling device and a supporting device. The power device comprises a crank connecting rod impact mechanism 24, a piston device, a gear reducer and a motor 27, wherein the motor 27 drives a gear to rotate, and the crank connecting rod impact mechanism 24 drives the piston device to reciprocate in a cylinder body so as to realize high kinetic energy impact disassembly of a crank pin.
The power device technology provides compatibility and universality with the existing electric impact tool, and can be replaced by the existing electric impact device in the production process, so that the production period of the device is shortened.
It should be noted that a front fixing frame 25 and a rear fixing frame 26 are arranged in parallel below the power device, and are used for connecting the power device with the supporting device.
In the invention, the supporting device comprises a movable seat assembly 10 serving as a base for installing a power device, a through hole which is penetrated left and right is arranged in the movable seat assembly 10, a rack bar 7 is arranged in the through hole, two ends of the rack bar are respectively provided with an extension bar 6, screw holes which are penetrated left and right and aligned with the movable seat assembly 10 are arranged in the extension bar 6, a screw 2 is arranged in the screw holes, and the extension bars 7 are further fixed on the screw 2 through the extension bars 6 arranged at the two ends of the rack bar 7, so that the connection between the rack bar 7 and the screw 2 is prevented from loosening due to vibration of the power device during working, and the safety and the working efficiency of the device are improved.
The two ends of the rack bar 7 are respectively provided with a rack bar inner hoop 16 for being matched with the screw 2, meanwhile, the rack bar inner hoop 16 is internally provided with a thread groove 17 matched with the screw 2, two ends of the extension bar 6 are provided with extension bar screw bases 15, and threads matched with the screw 2 are arranged in the extension bar screw bases 15.
It should be noted that the screw rod 2 passes through the rack rod 7 and the two extension rods 6, the rack rod 7 and the two extension rods 6 are connected together, a crank pin empty chuck 3 is respectively penetrated at two ends of the screw rod 2, a tail screw 1 is arranged on the outer side of each crank pin hole chuck 3 on the screw rod 2, a chuck fixing screw 4 is arranged inside, threads in the chuck fixing screw 4 and the tail screw 1 are matched with the screw rod 2, the crank pin hole chucks 3 are adjusted to a designated position through adjusting the chuck fixing screws 4, the tail screw 1 is adjusted to fix the crank pin hole chucks 3, the device can be clamped in pin holes near crank pins on two sides through adjusting the crank pin hole chucks 3 on two sides, and a fixing handle 5 is arranged on each chuck fixing screw 4, so that the chuck fixing screw 4 is convenient to adjust.
Because of the different types of the pumping unit, the crank positions on two sides of the pumping unit can form the implementation modes aiming at the pumping units of different types by changing the lengths and the combination modes of the screw rod 2, the extension rod 6, the rack rod 7, the crank pin hole chuck 3 and the moving assembly 10, so that the applicability of the device is improved.
As shown in fig. 1, the movable seat assembly 10 is provided with a support seat 12 for connection with a power device, and the support seat 12 is connected with a front fixing frame 25 and a rear fixing frame 26.
The rack bar 7 is provided with a rack 8 above, the movable seat assembly 10 is provided with a front stepping handle 9 and a rear stepping handle 14 respectively in front and back of the supporting seat 12, the front stepping handle 9 and the rear stepping handle 14 are respectively fixed on the movable seat assembly 10 through a stepping wheel shaft 11 and a handle bayonet lock 13, the stepping wheel shaft 11 and the handle bayonet lock 13 are respectively provided with a traveling gear with a position corresponding to the rack 8, the traveling gear is meshed with the rack 8, and the traveling gear is driven to rotate to move back and forth along the rack bar 7 by rotating the front stepping handle 11 and the rear stepping handle 14, so that the position of the power device is adjusted.
It should be noted that the front stepping handle 9 and the rear stepping handle 14 are respectively installed at both left and right sides of the movable base assembly 10, so that the position of the power device can be adjusted at both sides of the device.
In the invention, the dismounting device comprises a crank pin shaft protecting sleeve 18, an impact rod 21 and a universal impact seat 23, wherein the universal impact seat 23 is connected to the piston end of a crank link impact mechanism 24, the impact rod 21 is inserted into the universal impact seat 23 and is fixed through an impact rod locking pin 22, when the power device is started, the crank link impact mechanism 24 drives the universal impact seat 23 to control the impact rod 21 to do uninterrupted jarring, one end of the crank pin shaft protecting sleeve 18 is provided with a crank pin shaft clamping groove 19 matched with the crank pin shaft, the other end of the crank pin shaft protecting sleeve is provided with an impact groove 20 matched with the impact rod 21, the crank pin shaft protecting sleeve 18 is reversely screwed into threads of the crank pin in the use process, then the impact rod 21 is aligned with the impact groove 20 in the installation process, and when the dismounting device is used, the crank pin shaft protecting sleeve 18 is continuously jarred in the impact groove 20 to loosen the crank pin, and the crank pin shaft protecting sleeve 18 with different sizes can be replaced according to the different sizes of the dismounted crank pin shafts, so that the practicability of the dismounting device is improved
Wherein, the bottom of the universal impact seat 23 is provided with a through oil passage hole 28, the oil passage hole 28 is connected with a piston cylinder area of the power device, and the pressure oil is pushed by the movement of the piston cylinder so as to drive the impact rod 21.
It should be noted that the basic structure of the crank pin electric disassembling tool of the invention enables the disassembling of crank related components of the pumping unit to have certain universality, and simultaneously has the capability of disassembling and installing fixing bolts of related components, in practical application, the capability of disassembling the crank pin sleeve can be realized by changing the size and the style of the crank pin protecting sleeve 18, and meanwhile, the capability of disassembling and installing the crank pin nut can be realized by vibrating the crank pin nut through changing the structure of the crank pin shaft part tooling to be matched with the invention, such as processing the crank pin nut.
The embodiment provides a beam-pumping unit crank pin disassembles and uses multi-point type electric jar can realize simple, swift dismantles the crank pin, and low in labor strength the specific operation process of device as follows:
step one, removing a nut of the crank pin, reversely screwing a crank pin protective sleeve into threads of the crank pin, and splicing and assembling the power device, the dismounting device and the supporting device.
And secondly, adjusting the crank pin hole chuck to a proper position, clamping the crank pin hole chuck into a pin hole nearest to the crank pin, and then installing the crank pin hole chuck on the other side into the corresponding pin hole nearest to the crank pin, and fastening a tail screw and a fixed handle.
Step three, adjusting the front stepping handle or the rear stepping handle to insert the impact rod into the impact groove, and properly adjusting to ensure the stability of the device.
And step four, starting the motor, wherein the motor drives the power device to drive the impact rod to continuously impact the crank pin protective sleeve in the impact seat through the universal impact seat, so that the crank pin to be dismounted is subjected to uninterrupted strong shock, and the crank pin loosens and falls off after the shock for a single time, and the motor is stopped and the device is recovered.
Embodiment two:
As shown in fig. 3-4, the present invention further provides a scheme for the case that the crank pin and the pin bush are not concentric on the basis of the embodiment 1, which is different from the embodiment 1 in that an annular groove 29 is arranged at the bottom edge of the universal impact seat 23, and a steel ball 30 is arranged in the annular groove 29, when the device is started, the positions of the steel ball 30 are continuously changed in the annular groove 29 due to the vibration of the universal impact seat 23 and the impact rod 21, so that the impact direction of the impact rod 21 to the crank pin shaft protecting sleeve is changed, the device can continuously apply forces in different directions to the crank pin, high-frequency impact at different positions is attempted, the crank pin which is not concentric with the pin bush is easy to loosen, and the working efficiency is improved.
The embodiment provides a beam-pumping unit crank pin disassembles and uses multi-point type electric jar, the crank pin that to taking place the non-concentric skew that can be better dismantles, its concrete operation process as follows:
Step one, removing a nut of the crank pin, reversely screwing a crank pin protective sleeve into threads of the crank pin, placing a steel ball in the annular groove, and splicing and assembling the power device, the dismounting device and the supporting device.
And secondly, adjusting the crank pin hole chuck to a proper position, clamping the crank pin hole chuck into a pin hole nearest to the crank pin, and then installing the crank pin hole chuck on the other side into the corresponding pin hole nearest to the crank pin, and fastening a tail screw and a fixed handle.
Step three, adjusting the front stepping handle or the rear stepping handle to insert the impact rod into the impact groove, and properly adjusting to ensure the stability of the device.
Step four, starting a motor, at the moment, driving a power device by the motor to drive an impact rod to continuously impact a crank pin protective sleeve in the impact seat through a universal impact seat, so that the crank pin to be dismounted is subjected to continuous strong impact, meanwhile, continuously changing positions of steel balls in an annular groove in the vibration process of the impact rod and the universal impact seat, continuously changing the direction of the impact rod in the injection process, applying forces in different directions to the crank pin which is subjected to different concentric deviations, realizing high-frequency impact at different positions in an attempt, loosening and falling off the crank pin after a period of impact, and stopping the motor and recovering the device.
It should be noted that the foregoing description is only a preferred embodiment of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood that modifications, equivalents, improvements and modifications to the technical solution described in the foregoing embodiments may occur to those skilled in the art, and all modifications, equivalents, and improvements are intended to be included within the spirit and principle of the present invention.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310857975.5A CN119304813B (en) | 2023-07-13 | 2023-07-13 | A multi-point electric jar for disassembling the crank pin of an oil pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310857975.5A CN119304813B (en) | 2023-07-13 | 2023-07-13 | A multi-point electric jar for disassembling the crank pin of an oil pumping unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN119304813A true CN119304813A (en) | 2025-01-14 |
| CN119304813B CN119304813B (en) | 2025-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310857975.5A Active CN119304813B (en) | 2023-07-13 | 2023-07-13 | A multi-point electric jar for disassembling the crank pin of an oil pumping unit |
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| CN (1) | CN119304813B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2642467Y (en) * | 2003-08-13 | 2004-09-22 | 武建设 | Disassembling apparatus for impingement pumping unit crankpin |
| CN2663093Y (en) * | 2003-12-05 | 2004-12-15 | 郑州市天德工务机械制造厂 | Torque control mechanism for internal combustion oiler mechanical wrench |
| US20100025063A1 (en) * | 2006-10-13 | 2010-02-04 | Frank Kuhnapfel | Impact wrench having a pin clutch impact mechanism and being torque limited |
| US20100170353A1 (en) * | 2008-07-07 | 2010-07-08 | New River Equipment Corp. | Pumping unit |
| WO2016202441A2 (en) * | 2015-06-16 | 2016-12-22 | Reinhard Feinmechanik Gmbh | Surgical instrument kit |
| CN215548293U (en) * | 2021-05-24 | 2022-01-18 | 党韧锋 | Hydraulic crank pin taking-out device |
| CN216940496U (en) * | 2021-12-22 | 2022-07-12 | 重庆市轨道交通（集团）有限公司 | Convenient assembling and disassembling tool for clamping pins of subway turnout slide plate |
| US20230135467A1 (en) * | 2020-12-31 | 2023-05-04 | Jiangsu Dongcheng Tools Technology Co., Ltd. | Electric impact hammer |
-
2023
- 2023-07-13 CN CN202310857975.5A patent/CN119304813B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2642467Y (en) * | 2003-08-13 | 2004-09-22 | 武建设 | Disassembling apparatus for impingement pumping unit crankpin |
| CN2663093Y (en) * | 2003-12-05 | 2004-12-15 | 郑州市天德工务机械制造厂 | Torque control mechanism for internal combustion oiler mechanical wrench |
| US20100025063A1 (en) * | 2006-10-13 | 2010-02-04 | Frank Kuhnapfel | Impact wrench having a pin clutch impact mechanism and being torque limited |
| US20100170353A1 (en) * | 2008-07-07 | 2010-07-08 | New River Equipment Corp. | Pumping unit |
| WO2016202441A2 (en) * | 2015-06-16 | 2016-12-22 | Reinhard Feinmechanik Gmbh | Surgical instrument kit |
| US20230135467A1 (en) * | 2020-12-31 | 2023-05-04 | Jiangsu Dongcheng Tools Technology Co., Ltd. | Electric impact hammer |
| CN215548293U (en) * | 2021-05-24 | 2022-01-18 | 党韧锋 | Hydraulic crank pin taking-out device |
| CN216940496U (en) * | 2021-12-22 | 2022-07-12 | 重庆市轨道交通（集团）有限公司 | Convenient assembling and disassembling tool for clamping pins of subway turnout slide plate |
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|---|---|
| CN119304813B (en) | 2025-09-12 |
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