CN220227439U - Anti-drop crank pin - Google Patents

Anti-drop crank pin Download PDF

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Publication number
CN220227439U
CN220227439U CN202321858767.9U CN202321858767U CN220227439U CN 220227439 U CN220227439 U CN 220227439U CN 202321858767 U CN202321858767 U CN 202321858767U CN 220227439 U CN220227439 U CN 220227439U
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CN
China
Prior art keywords
crank
face
crank pin
pin
main body
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Active
Application number
CN202321858767.9U
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Chinese (zh)
Inventor
马欣
栾学玉
李连杰
王强
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Shandong Sitong Petroleum Technology Development Co ltd
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Shandong Sitong Petroleum Technology Development Co ltd
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Priority to CN202321858767.9U priority Critical patent/CN220227439U/en
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Publication of CN220227439U publication Critical patent/CN220227439U/en
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Abstract

The utility model discloses an anti-drop crank pin, which comprises a crank main body, wherein a pin body is arranged on the front end surface of the crank main body, three U-shaped mounting frames are fixedly connected to the outer surface of the crank main body, four vertical sliding rods are connected to the upper end surfaces of the three U-shaped mounting frames in a sliding manner, a bottom plate is connected to the lower end surfaces of the four vertical sliding rods, and four reset springs are connected to the lower end surface of the bottom plate. The device structure drives three location embedded blocks through the rotation regulation of cam movable rod and extends downwards for the location embedded blocks just can get into among the crank main part and the joint is spacing the round pin body, let the round pin body keep stable installed state, thereby can be quick loading and unloading crank pin, improve the installation effectiveness of crank pin, through the installation that utilizes L type revolving plate, picture peg and reinforcement push pedal fixed, make can play the effect of reinforcement installation, let the crank pin be difficult for not hard up, thereby improve the stability when crank pin installs.

Description

Anti-drop crank pin
Technical Field
The utility model relates to the technical field of crank pins, in particular to an anti-falling crank pin.
Background
The crank pin is a key part of the beam pumping unit, and plays a role in connecting a crank with the connecting rod, transmitting motion and power, if the crank pin breaks off, the beam can turn over, the connecting rod is bent completely, so that wellhead equipment is seriously damaged, and even personal safety can be endangered, and in order to enable the crank pin to have the anti-falling capability, the anti-falling crank pin is needed to be used;
the existing crank pin does not have an early warning and monitoring structure in the use process, and cannot play a role in early warning and pin removal when the screw spare cap is displaced to a large extent, so that the safety coefficient is required to be improved;
the prior patent (publication number: CN 215980333U) is applied to a safe and stable double-prevention crank pin assembly of an oil pumping unit, and the utility model provides convenience for an maintainer to judge the use state of equipment by early warning and monitoring the amount of clearance between equipment structural members in real time through the arrangement of a middle air cushion block, an air guide hole, a sliding cavity I and a sliding cavity II, thereby being beneficial to avoiding the occurrence of out-of-stock accidents.
The crank pin only can be used for conveniently judging the using state of equipment by an maintainer, and in the actual using process, the crank and the pumping unit are required to be installed and fixed through the crank pin, but the vibration force generated in the use of the pumping unit can influence the stability of the crank pin during installation, so that the crank pin is easy to loosen and fall off, serious accidents can occur, the safety is poor, and the use of the crank pin is not facilitated.
For this purpose, an anti-slip crank pin is proposed.
Disclosure of Invention
The utility model aims to solve the technical problem of providing an anti-falling crank pin, which can solve the problem that the crank pin is easy to loosen and fall off.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an anticreep crank pin, includes the crank main part, the pin body is installed to the preceding terminal surface of crank main part, the outer surface fixedly connected with three U type mounting bracket of crank main part, the equal sliding connection of up end of three U type mounting bracket has four vertical slide bars, the lower terminal surface of four vertical slide bars is connected with the bottom plate, the lower terminal surface of bottom plate is connected with four reset spring, the lower terminal surface fixedly connected with location embedded block of four reset spring, the inboard both ends rotation of U type mounting bracket is connected with the cam movable rod, the preceding terminal surface of cam movable rod is connected with the handle.
Preferably, the outer surface of the crank main body is fixedly connected with three U-shaped seats, and two ends of the inner side of each U-shaped seat are rotationally connected with an L-shaped rotating plate.
Preferably, the front end surfaces of the three L-shaped rotating plates are respectively clamped with an inserting plate, and one side of each inserting plate penetrates through the L-shaped rotating plate and extends to the front end surface of the pin body.
Preferably, the right end surface of the L-shaped rotating plate is in threaded connection with a positioning bolt, and one side of the positioning bolt penetrates through the L-shaped rotating plate and extends to the right end surface of the inserting plate.
Preferably, the outer surface of the pin body is fixedly provided with three connecting plates, the front end surfaces of the connecting plates and the pin body are clamped with reinforcing pushing plates, the right end surfaces of the connecting plates are slidably clamped with limiting inserted bars, and one side of each limiting inserted bar penetrates through the reinforcing pushing plates and extends to the left end surface of each connecting plate.
Preferably, one side of each of the four vertical sliding rods penetrates through the U-shaped mounting frame and extends to the lower end face of the U-shaped mounting frame, and one side of each of the cam movable rods penetrates through the U-shaped mounting frame and extends to the front end face of the U-shaped mounting frame.
Preferably, the outer surface of the crank main body is provided with an embedded groove, the embedded groove is matched with the positioning embedded block, and the lower end surface of the positioning embedded block is in sliding clamping connection with the outer surface of the crank main body through the embedded groove.
Preferably, the upper end face of the bottom plate is provided with a groove, the groove is matched with the cam movable rod, and the outer side of the cam movable rod is clamped with the upper end face of the bottom plate through the groove.
Compared with the prior art, the utility model has the beneficial effects that:
1. the three positioning embedded blocks are driven to extend downwards through the rotation adjustment of the cam movable rod, so that the positioning embedded blocks can enter the crank main body to be clamped and limited with the pin body, the pin body is kept in a stable installation state, the crank pin can be rapidly assembled and disassembled, and the installation efficiency of the crank pin is improved;
2. through the installation that utilizes L type swivel plate, picture peg and reinforcement push pedal fixed for can play the effect of reinforcement installation, let the crank pin be difficult for not hard up, thereby improve the stability when the crank pin is installed.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is an overall structural view of the present utility model;
FIG. 2 is a schematic view of the installation of the return spring and the positioning insert of the present utility model;
FIG. 3 is a schematic view of the installation of the connecting plate and the reinforcement push plate of the present utility model;
fig. 4 is a schematic installation diagram of the L-shaped rotating plate and the inserting plate of the present utility model.
Reference numerals illustrate:
1. a crank main body; 2. a pin body; 3. u-shaped mounting rack; 4. a vertical slide bar; 5. a bottom plate; 6. a return spring; 7. positioning the embedded block; 8. a cam movable rod; 9. a grip; 10. a U-shaped seat; 11. an L-shaped rotating plate; 12. inserting plate; 13. positioning bolts; 14. a connecting plate; 15. reinforcing the push plate; 16. a limit inserted link; 17. an embedding groove; 18. a groove.
Detailed Description
The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 4, the present utility model provides a technical solution:
the utility model provides an anticreep crank pin, including crank body 1, pin body 2 is installed to the preceding terminal surface of crank body 1, the external surface fixedly connected with three U type mounting bracket 3 of crank body 1, the equal sliding connection of up end of three U type mounting bracket 3 has four vertical slide bars 4, the lower terminal surface of four vertical slide bars 4 is connected with bottom plate 5, the lower terminal surface of bottom plate 5 is connected with four reset spring 6, through reset spring 6's setting, adjust along with the rotation of cam movable rod 8 and extrude reset spring 6, so that utilize reset spring 6's extrusion force to let the location crank pin that location embedded block 7 can be stable, the lower terminal surface fixedly connected with location embedded block 7 of four reset spring 6, the inboard both ends rotation of U type mounting bracket 3 is connected with cam movable rod 8, cam movable rod 8's preceding terminal surface is connected with handle 9.
The outer surface fixedly connected with three U type seat 10 of crank main part 1, the inboard both ends of three U type seat 10 all rotate and are connected with an L type commentaries on classics board 11, and the preceding terminal surface of three L type commentaries on classics board 11 all joint has a picture peg 12, and one side of picture peg 12 runs through L type commentaries on classics board 11 and extends to the preceding terminal surface of pin body 2, and the right-hand member face threaded connection of L type commentaries on classics board 11 has positioning bolt 13, and positioning bolt 13 one side runs through L type commentaries on classics board 11 and extends to the right-hand member face of picture peg 12.
The outer surface of the pin body 2 is fixedly provided with three connecting plates 14, the connecting plates 14 and the front end surfaces of the pin body 2 are clamped with reinforcing push plates 15, the right end surfaces of the connecting plates 14 are slidably clamped with limiting inserted bars 16, and one sides of the limiting inserted bars 16 penetrate through the reinforcing push plates 15 and extend to the left end surfaces of the connecting plates 14.
One side of each of the four vertical sliding rods 4 penetrates through the U-shaped mounting frame 3 and extends to the lower end face of the U-shaped mounting frame 3, and one side of the cam movable rod 8 penetrates through the U-shaped mounting frame 3 and extends to the front end face of the U-shaped mounting frame 3.
The outer surface of the crank main body 1 is provided with an embedded groove 17, the embedded groove 17 is matched with the positioning embedded block 7, the lower end face of the positioning embedded block 7 is in sliding clamping connection with the outer surface of the crank main body 1 through the embedded groove 17, the upper end face of the bottom plate 5 is provided with a groove 18, the groove 18 is matched with the cam movable rod 8, and the outer side of the cam movable rod 8 is in clamping connection with the upper end face of the bottom plate 5 through the groove 18.
Working principle: when the anti-drop crank pin is used, the pin body 2 is mounted on the crank main body 1, then the three handles 9 are rotated, the three handles 9 drive the three cam movable rods 8 to rotate and adjust, the cam movable rods 8 can move downwards to jack the bottom plate 5, so that the positioning embedded block 7 connected with the reset spring 6 at the bottom plate 5 can be driven to extend downwards, then the positioning embedded block 7 can enter the crank main body 1 to clamp and limit the pin body 2, the pin body 2 is kept in a stable mounting state, the crank pin can be rapidly assembled and disassembled, the mounting efficiency of the crank pin is improved, the L-shaped rotary plates 11 are rotated to the pin body 2 through downwards rotating the three L-shaped rotary plates 11, the plug plate 12 is inserted into the L-shaped rotary plates 11 and the pin body 2, then the positioning bolts 13 are rotated to extrude and fix the plug plate 12, the stability of the crank pin during mounting is increased, then the reinforcing push plate 15 is clamped and limited by the pin body 2 and the connecting plate 14, and the limiting plug rod 16 is easily inserted into the connecting plate 14, and the crank pin can not be easily loosened during mounting.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (8)

1. The utility model provides an anticreep crank pin, includes crank main part (1), its characterized in that: the novel crank is characterized in that the pin body (2) is arranged on the front end face of the crank main body (1), three U-shaped mounting frames (3) are fixedly connected to the outer surface of the crank main body (1), four vertical sliding rods (4) are slidably connected to the upper end faces of the U-shaped mounting frames (3), the lower end faces of the vertical sliding rods (4) are connected with the bottom plate (5), four reset springs (6) are connected to the lower end faces of the bottom plate (5), positioning embedded blocks (7) are fixedly connected to the lower end faces of the reset springs (6), cam movable rods (8) are rotatably connected to the two ends of the inner side of the U-shaped mounting frames (3), and handles (9) are connected to the front end faces of the cam movable rods (8).
2. An anti-slip crank pin according to claim 1, wherein: the outer surface of the crank main body (1) is fixedly connected with three U-shaped seats (10), and two ends of the inner side of each U-shaped seat (10) are respectively and rotatably connected with an L-shaped rotating plate (11).
3. An anti-slip crank pin according to claim 2, wherein: the front end surfaces of the three L-shaped rotating plates (11) are respectively clamped with an inserting plate (12), and one side of each inserting plate (12) penetrates through the L-shaped rotating plate (11) and extends to the front end surface of the pin body (2).
4. A drop-off prevention crankpin according to claim 3, wherein: the right end face of the L-shaped rotating plate (11) is connected with a positioning bolt (13) in a threaded mode, and one side of the positioning bolt (13) penetrates through the L-shaped rotating plate (11) and extends to the right end face of the inserting plate (12).
5. An anti-slip crank pin according to claim 1, wherein: the outer surface fixed mounting of the pin body (2) has three connecting plates (14), the preceding terminal surface joint of connecting plate (14), pin body (2) has reinforcement push pedal (15), the right-hand member face slip joint of connecting plate (14) has spacing inserted bar (16), one side of spacing inserted bar (16) runs through reinforcement push pedal (15) and extends to the left end face of connecting plate (14).
6. An anti-slip crank pin according to claim 1, wherein: one side of each vertical sliding rod (4) penetrates through the U-shaped mounting frame (3) and extends to the lower end face of the U-shaped mounting frame (3), and one side of each cam movable rod (8) penetrates through the U-shaped mounting frame (3) and extends to the front end face of the U-shaped mounting frame (3).
7. An anti-slip crank pin according to claim 1, wherein: an embedded groove (17) is formed in the outer surface of the crank main body (1), the embedded groove (17) is matched with the positioning embedded block (7), and the lower end face of the positioning embedded block (7) is in sliding clamping connection with the outer surface of the crank main body (1) through the embedded groove (17).
8. An anti-slip crank pin according to claim 1, wherein: the upper end face of the bottom plate (5) is provided with a groove (18), the groove (18) is matched with the cam movable rod (8), and the outer side of the cam movable rod (8) is clamped with the upper end face of the bottom plate (5) through the groove (18).
CN202321858767.9U 2023-07-15 2023-07-15 Anti-drop crank pin Active CN220227439U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321858767.9U CN220227439U (en) 2023-07-15 2023-07-15 Anti-drop crank pin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321858767.9U CN220227439U (en) 2023-07-15 2023-07-15 Anti-drop crank pin

Publications (1)

Publication Number Publication Date
CN220227439U true CN220227439U (en) 2023-12-22

Family

ID=89173654

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321858767.9U Active CN220227439U (en) 2023-07-15 2023-07-15 Anti-drop crank pin

Country Status (1)

Country Link
CN (1) CN220227439U (en)

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