CN213034531U - Multifunctional crank key puller - Google Patents
Multifunctional crank key puller Download PDFInfo
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- CN213034531U CN213034531U CN202022083865.2U CN202022083865U CN213034531U CN 213034531 U CN213034531 U CN 213034531U CN 202022083865 U CN202022083865 U CN 202022083865U CN 213034531 U CN213034531 U CN 213034531U
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- rod
- sliding sleeve
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Abstract
The utility model discloses a multifunctional crank key puller, which comprises a main rod, a sliding sleeve and a connector; the main rod is a section of sucker rod short joint; the two ends of the main rod are respectively a connecting end and a baffle end, the outer wall of the connecting end is provided with a thread structure, and the baffle end is provided with a baffle; the sliding sleeve is sleeved on the main rod; the sliding sleeve is a cylindrical pin, and an inner hole of the sliding sleeve is cylindrical; the connector comprises a connector main body and a connector screw rod, wherein the connector main body is cylindrical; the inner wall of the connector main body is provided with internal threads; the main body of the connector is used for being connected with the connecting end of the main rod; the outer wall of connector screw rod is provided with helicitic texture, the connector screw rod is used for being connected with the screw hole of crank key. The multifunctional crank key puller is used for pulling out the crank key, and is safe, reliable, low in cost and simple and convenient to operate.
Description
Technical Field
The utility model belongs to the technical field of the oil production equipment technique and specifically relates to a multi-functional crank key puller is related to.
Background
Oil extraction equipment of an oil extraction plant is mainly an oil pumping unit, wherein a beam crank balance and compound balance oil pumping unit is particularly common. The motor rotates at high speed to supply power to drive the input shaft, the intermediate shaft and the output shaft of the reduction gearbox to change into low-speed motion of a crank of the pumping unit, and the crank-connecting rod-walking beam mechanism changes the rotary motion into up-and-down reciprocating motion of a horse head.
When in operation, the reduction gearbox gears run tangentially to generate torque. Along with the extension of on-site pumping unit life cycle, pumping unit reducing gear box damages very seriously. When the gear is damaged, the output shaft needs to be replaced, the crank key is difficult to pull out, and a hammering mode is always used at present. The method has the advantages that workers operate on site, the time for changing the crank and taking the key is 4 hours/time on average, the number of workers is 4/time on average, the well opening time is 6 hours/time on average, the labor intensity is high, the operation time is long, the potential safety hazard is high, and the oil extraction time rate of an oil well is seriously influenced. And because the contact surface of the force supply space is small, if the device is not easily pulled out after being used for a long time, the maintenance progress and quality are more influenced, and the production operation is more delayed.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an it is not enough to overcome above-mentioned condition, aims at providing the technical scheme that can solve above-mentioned problem.
The multifunctional crank key puller comprises a main rod, a sliding sleeve and a connector;
the main rod is a section of sucker rod short joint; the two ends of the main rod are respectively a connecting end and a baffle end, the outer wall of the connecting end is provided with a thread structure, and the baffle end is provided with a baffle;
the sliding sleeve is sleeved on the main rod; the sliding sleeve is a cylindrical pin, and an inner hole of the sliding sleeve is cylindrical;
the connector comprises a connector main body and a connector screw rod, and the connector main body and the connector screw rod are of an integral structure; the connector main body is cylindrical, and the inner diameter of the connector main body is matched with the outer diameter of the connecting end of the main rod; the inner wall of the connector main body is provided with internal threads, and the internal threads of the connector main body are matched with the thread structure of the connecting end of the main rod; the main body of the connector is used for being connected with the connecting end of the main rod; the outer wall of connector screw rod is provided with helicitic texture, the connector screw rod is used for being connected with the screw hole of crank key.
As a further aspect of the present invention: the baffle is solid cylindrical structure, baffle fixed connection in the mobile jib.
As a further aspect of the present invention: the outer wall of the connector main body is also fixedly provided with a groove, and the groove is parallel to the axis of the connector main body; the groove is provided with a plurality of strips.
As a further aspect of the present invention: the outer wall of the connector main body is further fixedly connected with 4-6 convex columns, and the convex columns are arranged in an annular matrix.
As a further aspect of the present invention: the quantity of connector is provided with a plurality ofly, every the connector screw rod's of connector size is different.
As a further aspect of the present invention: the baffle of main part is provided with expanding spring in one side towards the crank key, expanding spring's external diameter is less than the external diameter of sliding sleeve, expanding spring's one end through welded connection in the baffle, the expanding spring cover is in the outer wall of mobile jib.
The utility model has the advantages that:
this multi-functional crank cupping device twists the connector screw rod of connector in the screw hole department of crank key outer end and screws up, then passes the sliding sleeve with the mobile jib, passes through threaded connection with the link of mobile jib again and connects in the connector main part department of connector, accomplishes the connection installation of multi-functional crank cupping device instrument this moment, and the connector both ends are threaded connected mode. The sliding sleeve is pushed to the back, the sliding sleeve is pushed to the baffle plate with violent force, a reverse pushing effect and a vibration effect are generated, the sliding sleeve does reciprocating motion, the sliding sleeve impacts the baffle plate repeatedly, and the crank key leaves the crank key groove under the action of the vibration force and the reverse pushing force. The multifunctional crank key puller is used for pulling out the crank key, and is safe, reliable, low in cost and simple and convenient to operate. The multifunctional crank key puller is simple in structure, easy to process and convenient to popularize and apply.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a perspective view schematically illustrating a multi-functional crank key puller according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a main rod of a multifunctional crank key puller according to a first embodiment of the present invention;
fig. 3 is a schematic structural view of a multifunctional crank key puller connector according to a first embodiment of the present invention;
fig. 4 is a schematic view of the overall structure of the multifunctional crank key puller according to the first embodiment of the present invention;
fig. 5 is a schematic structural diagram of a connection head according to a second embodiment of the present invention;
fig. 6 is a schematic structural diagram of a connection head according to a third embodiment of the present invention;
fig. 7 is a schematic structural view of a multifunctional crank key puller according to a fourth embodiment of the present invention.
In the figure: 1-main rod, 101-thread structure, 102-baffle, 2-sliding sleeve, 3-connector, 301-connector main body, 3011-internal thread, 3012-groove, 3013-convex column, 302-connector screw rod and 4-expansion spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
The specific embodiment is as follows:
referring to fig. 1 to 4, in an embodiment of the present invention, the multifunctional crank key puller includes a main rod 1, a sliding sleeve 2, and a connector 3. The main rod 1 adopts a short section of a sucker rod, two ends of the main rod 1 are respectively a connecting end and a baffle end, the outer wall of the connecting end is provided with a thread structure 101, and the baffle end is provided with a baffle 102; the baffle plate 102 is a solid cylindrical structure and is fixedly connected to the main rod.
The sliding sleeve 2 is sleeved on the main rod 1; the sliding sleeve 2 is a cylindrical pin, and an inner hole of the sliding sleeve 2 is cylindrical. In the embodiment, the sliding sleeve adopts a waste piston pin of an automobile.
The connector 3 comprises a connector main body 301 and a connector screw rod 302, wherein the connector main body 301 and the connector screw rod 302 are of an integral structure; the connector main body 301 is cylindrical, and the inner diameter of the connector main body 301 is matched with the outer diameter of the connecting end of the main rod 1; the inner wall of the connector main body 301 is provided with an internal thread 3011, and the internal thread 3011 of the connector main body is matched with the thread structure 101 of the connecting end of the main rod; the connector main body 301 is used for being connected with the connecting end of the main rod 1; the outer wall of connector screw rod 302 is provided with the screw thread, connector screw rod 302 is used for being connected with the screw hole of crank key.
In this embodiment, the quantity of connector is provided with a plurality ofly, and the specification and size diverse of its connector screw rod can be applicable to the crank key of various different models, specification.
The multifunctional crank key puller in the embodiment is simple to manufacture, utilizes the waste oil rod short section as a main rod, utilizes the waste piston pin of an automobile as a sliding sleeve, and utilizes the multifunctional crank key puller of different specifications
The screw joint is used as a connector and is formed by machining transformation. The oil rod short section penetrates into a piston pin, the joint screw thread of the oil rod short section is connected to the connector, the connector has different models, and the oil rod short section can be suitable for crank keys of various different models and specifications.
When the multifunctional crank cupping device is used, the connector screw rod of the connector is screwed in the threaded hole in the outer end of the crank key and screwed, then the main rod penetrates through the sliding sleeve, the connecting end of the main rod is connected to the connector main body of the connector through threaded connection, the connection and installation of the multifunctional crank cupping device tool are completed at the moment, and the two ends of the connector are both in a threaded connection mode. The sliding sleeve is pushed to the back, the sliding sleeve is pushed to the baffle plate with violent force, a reverse pushing effect and a vibration effect are generated, the sliding sleeve does reciprocating motion, the sliding sleeve impacts the baffle plate repeatedly, and the crank key leaves the crank key groove under the action of the vibration force and the reverse pushing force. The multifunctional crank key puller is used for pulling out the crank key, and is safe, reliable, low in cost and simple and convenient to operate. The multifunctional crank key puller is easy to process and convenient to popularize and apply.
In addition, when using the multifunctional crank key puller, the following points should be noted:
firstly, wearing labor protection articles; anti-smashing shoes; a safety helmet;
secondly, the sliding sleeve is well grabbed, so that the slipping and clamping are avoided to hurt maintenance personnel;
when the crank key is about to be pulled out, the multifunctional crank key puller is disassembled so as to avoid accidents such as falling down and smashing people;
and fourthly, the environment-friendly cleaning work is well done, and the later maintenance is convenient.
In a second embodiment of the present invention, referring to fig. 5, a groove 3012 is further fixedly disposed on the outer wall of the connector main body 301, and the groove is parallel to the axis of the connector main body; the groove is provided with a plurality of strips. The remaining structure is the same as that in the first embodiment.
The outer wall of connector main part is provided with the recess, and when twisting the connector into the threaded hole of crank key, its non-slip effect is convenient for twist into crank key screw hole with the connector fast.
In a third embodiment of the present invention, referring to fig. 6, the outer wall of the connector main body 301 is further fixedly connected with 4-6 protruding columns 3013, and the protruding columns are arranged in an annular matrix. The remaining structure is the same as that in the first embodiment.
The outer wall of the connector main body is provided with 6 convex columns, so that the force arm of screwing can be increased when the connector is screwed, and labor is saved when the connector is screwed in or out.
The multifunctional crank key puller in the embodiment can be better applied to maintenance and other operations of the oil pumping unit for a long time. The novel key pulling device has the advantages that the pulling force is large, accessories are not easy to damage, the novel key pulling device is suitable for key pulling work of various pumping units and other equipment, the labor intensity of operators is reduced, safe operation is guaranteed, the working efficiency is improved, and energy conservation and consumption reduction are realized. The multifunctional crank key puller is safe and reliable in connection, simple and convenient to operate, easy to process, low in cost and suitable for popularization and application.
In a fourth embodiment of the present invention, referring to fig. 7, the baffle 102 of the main body is provided with an elastic structure on a side facing the crank key, in this embodiment, the elastic structure is an extension spring 4, and the outer diameter of the extension spring is smaller than the outer diameter of the sliding sleeve, so as to ensure that the sliding sleeve can impact the extension spring in the reciprocating process. One end of the extension spring 4 is connected to the baffle plate 102 by welding, and the extension spring is sleeved on the outer wall of the main rod. When the sliding sleeve is pushed to the back, the sliding sleeve is pushed forward by a violent force to the baffle, when the sliding sleeve pushes the baffle under the action of a larger thrust and is about to contact with the baffle, the sliding sleeve is pushed to the telescopic spring, the sliding sleeve compresses the telescopic spring under the action of the larger thrust, the telescopic spring rebounds and extends under the action of the elasticity of the telescopic spring and pushes the sliding sleeve to one side of the connector again, the telescopic spring enables the reverse thrust not to be lost too much to a certain degree, the loss of force is reduced, and the crank key can be pulled out in the limited pushing sliding process. At this in-process, expanding spring can push the reverse transmission of the driving force of sliding sleeve striking, and the sliding sleeve pushes the effort of connector one side, is the expanding spring of sliding sleeve striking baffle one side many times repeatedly, makes the crank key leave the crank keyway under the effect of oscillating force and counter-thrust.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The multifunctional crank key puller is characterized by comprising a main rod, a sliding sleeve and a connector;
the main rod is a section of sucker rod short joint; the two ends of the main rod are respectively a connecting end and a baffle end, the outer wall of the connecting end is provided with a thread structure, and the baffle end is provided with a baffle;
the sliding sleeve is sleeved on the main rod; the sliding sleeve is a cylindrical pin, and an inner hole of the sliding sleeve is cylindrical;
the connector comprises a connector main body and a connector screw rod, and the connector main body and the connector screw rod are of an integral structure; the connector main body is cylindrical, and the inner diameter of the connector main body is matched with the outer diameter of the connecting end of the main rod; the inner wall of the connector main body is provided with internal threads, and the internal threads of the connector main body are matched with the thread structure of the connecting end of the main rod; the main body of the connector is used for being connected with the connecting end of the main rod; the outer wall of connector screw rod is provided with helicitic texture, the connector screw rod is used for being connected with the screw hole of crank key.
2. The multifunctional crank key puller according to claim 1, wherein the baffle is a solid cylindrical structure, and the baffle is fixedly connected to the main rod.
3. The multifunctional crank key puller according to claim 1, wherein a groove is further fixedly arranged on the outer wall of the connector main body, and the groove is parallel to the axis of the connector main body; the groove is provided with a plurality of strips.
4. The multifunctional crank key puller according to claim 1, wherein the outer wall of the connector main body is further fixedly connected with 4-6 convex columns, and the convex columns are arranged in a circular matrix.
5. The multifunctional crank key puller according to claim 1, wherein the number of the connectors is provided with a plurality of connectors, and the size of the connector screw of each connector is different.
6. The multifunctional crank key puller according to claim 1, wherein the baffle of the main body is provided with a telescopic spring at a side facing the crank key, the outer diameter of the telescopic spring is smaller than that of the sliding sleeve, one end of the telescopic spring is connected to the baffle by welding, and the telescopic spring is sleeved on the outer wall of the main rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022083865.2U CN213034531U (en) | 2020-09-22 | 2020-09-22 | Multifunctional crank key puller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022083865.2U CN213034531U (en) | 2020-09-22 | 2020-09-22 | Multifunctional crank key puller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213034531U true CN213034531U (en) | 2021-04-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022083865.2U Active CN213034531U (en) | 2020-09-22 | 2020-09-22 | Multifunctional crank key puller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213034531U (en) |
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2020
- 2020-09-22 CN CN202022083865.2U patent/CN213034531U/en active Active
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