CN217814627U - Elastic sleeve pin and coupling with same - Google Patents

Elastic sleeve pin and coupling with same Download PDF

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Publication number
CN217814627U
CN217814627U CN202221471338.1U CN202221471338U CN217814627U CN 217814627 U CN217814627 U CN 217814627U CN 202221471338 U CN202221471338 U CN 202221471338U CN 217814627 U CN217814627 U CN 217814627U
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China
Prior art keywords
elastic sleeve
pin
locking
elastic
locking element
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CN202221471338.1U
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Chinese (zh)
Inventor
张津波
李健
张彬
夏瑛
贾盛伟
胡建平
刘泽坤
宫艳红
白玉
王圣凯
蒋均淼
冯雪浦
李雯雯
张国强
黄兴鸿
宁立军
马新红
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Petrochina Co Ltd
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Petrochina Co Ltd
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Priority to CN202221471338.1U priority Critical patent/CN217814627U/en
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Abstract

The utility model discloses an elastic sleeve pin and shaft coupling, elastic sleeve pin includes: the pin locking device comprises a first locking part, a first limiting part, a pin body, a second locking part, an elastic sleeve assembly and a second limiting part. In the length direction of the elastic sleeve pin, a first locking part, a first limiting part, the pin body and a second locking part are sequentially arranged, one end of the first locking part penetrates through the first limiting part to be detachably connected with one end of the pin body, an elastic sleeve assembly and the second limiting part are arranged on the outer surface of the pin body, the elastic sleeve assembly is arranged between the first limiting part and the second limiting part, and the second locking part is detachably connected with the other end of the pin body. When the elastic sleeve assembly is replaced, the elastic sleeve pin does not need to be detached from the coupler, and only the first locking part needs to be detached, so that the elastic sleeve assembly can be replaced, the working difficulty is small, and the working efficiency is high.

Description

Elastic sleeve pin and coupling with same
Technical Field
The utility model relates to a shaft coupling technical field specifically is a shaft coupling of elastic sleeve pin and take elastic sleeve pin.
Background
The elastic sleeve pin coupling is widely applied to power transmission in various centrifugal pumps. The pin elastic rubber ring is an important component of the elastic sleeve pin coupler, and in the working process of the elastic sleeve pin coupler, the pin elastic rubber ring bears the power load of the output shaft of the motor, and the elastic rubber ring bears large torque and large deformation, so that the elastic rubber ring is fast in abrasion and aging and needs to be replaced regularly.
The conventional operation of replacing the elastic rubber ring of the pin needs to detach the elastic sleeve pin from the coupler, so that the elastic rubber ring on the elastic sleeve pin can be replaced. Because the elastic sleeve pin and the coupler are tightly assembled in an interference fit manner, the coupler can be disassembled only by large extrusion force or impact force during disassembly. Meanwhile, the installation position of the elastic sleeve pin is close to the position of the pump body, the operation space is limited, the operation is inconvenient by using a knocking or prying method, and the following problems occur: (1) The working difficulty is high, the working efficiency is low, and the time for replacing the elastic rubber ring on the elastic sleeve pin of one centrifugal pump is more than 2 hours; (2) The problem of tool slipping exists, and personal injury is easy to occur; (3) Knocking and prying the pin to cause damage to the head thread part, so that the pin is damaged and scrapped.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an elastic sleeve pin need not follow the shaft coupling with the elastic sleeve pin and all dismantle, just can change the elastic sleeve subassembly, and is fast, efficient, avoids when dismantling the elastic sleeve pin, strikes the elastic sleeve pin and prizes the operation and causes the damage of tip screw thread position, leads to the elastic sleeve pin to damage and scrap.
The application provides an elastic sleeve pin, installs in the shaft coupling, elastic sleeve pin includes: the pin locking device comprises a first locking part, a first limiting part, a pin body, a second locking part, an elastic sleeve assembly and a second limiting part; the length direction of elastic sleeve pin, first locking part first stop part the pin body with second locking part sets gradually, the one end of first locking part is passed first stop part with the connection can be dismantled to the one end of pin body, the elastic sleeve subassembly with second stop part set up in the surface of pin body, the elastic sleeve subassembly set up in first stop part with between the second stop part, the connection can be dismantled to the second locking part with the other end of pin body.
In some optional embodiments, the first locking component comprises a first locking element and a first gasket, a second locking element is arranged at one end of the pin body, which is matched with the first locking component, and the first locking element passes through the first gasket and the first limiting component to be detachably connected with the second locking element.
In some alternative embodiments, the first locking element is a bolt; the second locking element is a threaded hole arranged at the end part of the pin body; the bolt is in threaded connection with the threaded hole.
In some optional embodiments, the first limiting member is an annular baffle.
In some alternative embodiments, the elastic sleeve assembly includes a plurality of elastic members arranged in a lengthwise direction of the pin body.
In some optional embodiments, each of the elastic members is an elastic rubber ring.
In some optional embodiments, the second limiting member is an annular baffle.
In some optional embodiments, the second locking component includes a third locking element and a second spacer, a fourth locking element is disposed at an end of the pin body away from the first locking component, the second spacer is sleeved on an outer surface of the pin body, and the third locking element and the fourth locking element are detachably connected.
In some alternative embodiments, the third locking element is a nut and the second washer is a resilient washer.
On the other hand, the utility model also provides a take shaft coupling of elastic sleeve pin, take the shaft coupling of elastic sleeve pin to include above arbitrary mentioned elastic sleeve pin.
The utility model discloses relative to prior art have following technological effect:
1. the utility model provides an elastic sleeve pin, elastic sleeve pin install in the shaft coupling, and elastic sleeve pin includes: the pin locking device comprises a first locking part, a first limiting part, a pin body, a second locking part, an elastic sleeve assembly and a second limiting part. In the length direction of elastic sleeve pin, first locking part, first stop part, pin body and second locking part set gradually, and the one end of first locking part is passed first stop part and can is dismantled with the one end of pin body and be connected, and elastic sleeve subassembly and second stop part set up in the surface of pin body, and the elastic sleeve subassembly sets up between first stop part and second stop part, and the connection can be dismantled to the other end of second locking part and pin body. When changing the elastic sleeve subassembly, need not to pull down the elastic sleeve pin from the shaft coupling, only need dismantle first locking part, can realize changing the elastic sleeve subassembly, the work degree of difficulty is little, and work efficiency is high, avoids when dismantling the elastic sleeve pin, strikes the elastic sleeve pin and prizes the operation and causes the damage of tip screw thread position, leads to the elastic sleeve pin to damage and scrap.
2. The utility model also provides a take shaft coupling of elastic sleeve pin, including the elastic sleeve pin, when changing the elastic sleeve subassembly, need not to pull down the elastic sleeve pin from the shaft coupling, only need dismantle first locking part, can realize changing the elastic sleeve subassembly, the work degree of difficulty is little, and work efficiency is high.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.
Fig. 1 is a schematic view of an overall structure of an elastic sleeve pin according to an embodiment of the present invention;
fig. 2 is a schematic view of an explosion structure of the elastic sleeve pin according to an embodiment of the present invention.
Reference numerals: 1-a first locking member; 11-a first locking element; 12-a first shim; 2-a first stop member; 3-a pin body; 4-a second locking member; 41-a third locking element; 5-an elastic sleeve component; 51-an elastic member; 6-second limiting part.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The coupler is a mechanical part used for connecting two shafts in different mechanisms, wherein the two shafts are respectively a driving shaft and a driven shaft and rotate together to transmit torque. In the high-speed heavy-load power transmission, some couplings also have the functions of buffering and damping and improving the dynamic performance of a shaft system. The coupling consists of two half parts which are respectively connected with the driving shaft and the driven shaft. Generally, a power machine is connected with a working machine by means of a coupling.
The utility model provides a take shaft coupling of elastic sleeve pin, including shaft coupling elastic sleeve pin. The elastic sleeve pin coupling utilizes a pin with one end sleeved with an elastic component to be arranged in the edge holes of the flanges of the two half couplings so as to realize the connection of the two half elastic sleeve pin couplings. When changing elastic sleeve subassembly 5, need not to pull down the elastic sleeve pin from the shaft coupling, only need dismantle first locking part 1, can realize changing elastic sleeve subassembly 5, the work degree of difficulty is little, and work efficiency is high.
Furthermore, the elastic component comprises a plurality of elastic sleeves, and the elastic sleeves are made of rubber materials.
The utility model provides an elastic sleeve pin installs in the shaft coupling, and elastic sleeve pin includes: the locking device comprises a first locking part 1, a first limiting part 2, a pin body 3, a second locking part 4, an elastic sleeve assembly 5 and a second limiting part 6. In the length direction of elastic sleeve pin, first locking part 1, first stop part 2, pin body 3 and second locking part 4 set gradually, the one end of first locking part 1 is passed first stop part 2 and can be dismantled with the one end of pin body 3 and be connected, elastic sleeve subassembly 5 and second stop part 6 set up in the surface of pin body 3, elastic sleeve subassembly 5 sets up between first stop part 2 and second stop part 6, the connection can be dismantled to the other end of second locking part 4 and pin body 3.
Specifically, when changing elastic sleeve subassembly 5, need not to pull down the elastic sleeve pin from the shaft coupling, only need dismantle first locking part 1, can realize changing elastic sleeve subassembly 5, the work degree of difficulty is little, and work efficiency is high, avoids when dismantling the elastic sleeve pin, strikes the elastic sleeve pin and prizes the operation and causes the damage of tip screw thread position, leads to the elastic sleeve pin to damage and scrap.
Further, the pin body 3 comprises two parts, wherein one part is a cylindrical structure, the other part is a circular truncated cone-shaped structure, the end part of the cylindrical structure is connected with the end part with the larger cross section of the circular truncated cone-shaped structure, and the end part of the cylindrical structure and the end part with the larger cross section of the circular truncated cone-shaped structure can be superposed. The first locking part 1 and the first limiting part 2 are arranged at the end part of the cylindrical structure of the pin body 3, the second locking part 4 is arranged at the end part of the circular truncated cone-shaped structure of the pin body 3, and the elastic sleeve assembly 5 and the second limiting part 6 are arranged on the outer surface of the pin body 3.
In some alternative embodiments, the first locking component 1 comprises a first locking element 11 and a first gasket 12, the end of the pin body 3 that is engaged with the first locking component 1 is provided with a second locking element, and the first locking element 11 passes through the first gasket 12 and the first limiting component 2 to be detachably connected with the second locking element.
Specifically, the first locking element 11 is mounted to the end of the pintle body 3 having a smaller cross-section. The first gasket 12 is provided with a through hole, the first gasket 12 is of an annular structure, and the first limiting member 2 is also of an annular structure. Optionally, the first locking element 11 is threaded through the first washer 12 and the first spacing member 2 to the second locking element.
In some alternative embodiments, the first locking element 11 is a bolt; the second locking element is a threaded hole arranged at the end part of the pin body 3; the bolt is in threaded connection with the threaded hole. The first spacer 12 is a spring spacer.
In some alternative embodiments, the first limiting member 2 is an annular blocking piece, and a through hole is formed in the center of the annular blocking piece. The first limiting part 2 is a rigid annular baffle plate, and the first limiting part 2 is a steel metal ring. The annular baffle is turned by 45# round steel, a through hole phi 8.2 is machined in the center of the annular baffle, the center of the end face on one side is machined to be 1mm deep, a phi 18 counter bore is machined, and the diameter of the counter bore is matched with the outer diameter of the pin 4. The annular separation blade is installed with the cylinder end of the pin body 3 in a matching mode, and after the spring gasket is installed on the bolt, the annular separation blade is installed in an inner threaded hole in the cylinder end face of the pin body 3.
In some alternative embodiments, the elastic sleeve assembly 5 includes a plurality of elastic members 51, and the plurality of elastic members 51 are arranged in the length direction of the pin body 3.
In some alternative embodiments, each elastic member 51 is an elastic rubber ring, and the elastic sleeve is made of rubber. The elastic rubber ring 5 is an annular rubber ring made of four rubber materials and has the specification phi 18 x 35.
In some alternative embodiments, the second limiting member 6 is an annular flap.
In some alternative embodiments, the second locking component 4 comprises a third locking element 41 and a second washer, the end of the pin body 3 away from the first locking component 1 is provided with a fourth locking element, the second washer is sleeved on the outer surface of the pin body 3, and the third locking element 41 and the fourth locking element are detachably connected. The second gasket is a spring washer. The fourth locking element is a threaded structure provided at the end of the pin body 3.
In some alternative embodiments, the third locking element 41 is a nut and the second washer is a resilient washer. The third locking element 41 is detachably connected to the threaded structure of the end of the plug body 3.
On the other hand, the utility model discloses still a take shaft coupling of elastic sleeve pin, including the elastic sleeve pin mentioned in above arbitrary one. When the elastic rubber ring on the elastic sleeve column pin is replaced, the first locking part 1 is only required to be taken down, the old elastic rubber ring is taken down, a new elastic rubber ring is replaced, and then the first locking part 1 is installed again, so that the replacement of the elastic rubber ring can be realized. Need not follow the shaft coupling with the elastic sleeve pin and all dismantle, just can change elastic sleeve subassembly 5, it is fast, efficient, avoid when dismantling the elastic sleeve pin, strike the elastic sleeve pin and prize the operation and cause tip screw thread position to harm, lead to the elastic sleeve pin to damage and scrap.
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.
Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.

Claims (10)

1. An elastic sleeve pin, characterized in that, install in the shaft coupling, elastic sleeve pin includes: the pin locking device comprises a first locking part (1), a first limiting part (2), a pin body (3), a second locking part (4), an elastic sleeve assembly (5) and a second limiting part (6); the length direction of elastic sleeve pin, first locking part (1), first stop part (2), pin body (3) with second locking part (4) set gradually, the one end of first locking part (1) is passed first stop part (2) with the connection can be dismantled to the one end of pin body (3), elastic sleeve subassembly (5) with second stop part (6) set up in the surface of pin body (3), elastic sleeve subassembly (5) set up in first stop part (2) with between second stop part (6), second locking part (4) with the connection can be dismantled to the other end of pin body (3).
2. The elastic sleeve pin according to claim 1, characterized in that the first locking part (1) comprises a first locking element (11) and a first gasket (12), a second locking element is arranged at the end of the pin body (3) which is matched with the first locking part (1), and the first locking element (11) passes through the first gasket (12) and the first limiting part (2) to be detachably connected with the second locking element.
3. The elastic sleeve pin according to claim 2, characterized in that the first locking element (11) is a bolt; the second locking element is a threaded hole arranged at the end part of the pin body (3); the bolt is in threaded connection with the threaded hole.
4. The elastic sleeve pin according to claim 2, characterized in that the first stop element (2) is an annular stop.
5. The elastic sleeve pin according to claim 1, characterized in that the elastic sleeve assembly (5) comprises a plurality of elastic members (51), the plurality of elastic members (51) being arranged in the length direction of the pin body (3).
6. Elastic sleeve pin according to claim 5, characterized in that each elastic member (51) is an elastic rubber ring.
7. Elastic sleeve pin according to claim 1, characterized in that the second stop element (6) is an annular stop.
8. The elastic sleeve pin of claim 2, characterized in that the second locking member (4) comprises a third locking element (41) and a second washer, the end of the pin body (3) remote from the first locking member (1) is provided with a fourth locking element, the second washer is sleeved on the outer surface of the pin body (3), and the third locking element (41) and the fourth locking element are detachably connected.
9. The elastic sleeve pin according to claim 8, characterized in that said third locking element (41) is a nut and said second washer is an elastic washer.
10. A coupling with an elastic sleeve pin, characterized in that it comprises an elastic sleeve pin according to any of claims 1-9.
CN202221471338.1U 2022-06-13 2022-06-13 Elastic sleeve pin and coupling with same Active CN217814627U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221471338.1U CN217814627U (en) 2022-06-13 2022-06-13 Elastic sleeve pin and coupling with same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221471338.1U CN217814627U (en) 2022-06-13 2022-06-13 Elastic sleeve pin and coupling with same

Publications (1)

Publication Number Publication Date
CN217814627U true CN217814627U (en) 2022-11-15

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ID=83990907

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221471338.1U Active CN217814627U (en) 2022-06-13 2022-06-13 Elastic sleeve pin and coupling with same

Country Status (1)

Country Link
CN (1) CN217814627U (en)

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