CN220980163U

CN220980163U - Fastening mechanism of locking force symmetry and overload protection coupler

Info

Publication number: CN220980163U
Application number: CN202322481310.7U
Authority: CN
Inventors: 刘昌福; 李国良
Original assignee: Hezhonghe Precision Technology Suzhou Co ltd
Current assignee: Hezhonghe Precision Technology Suzhou Co ltd
Priority date: 2023-09-13
Filing date: 2023-09-13
Publication date: 2024-05-17
Anticipated expiration: 2033-09-13

Abstract

The utility model relates to the technical field of couplings and discloses a fastening mechanism of a locking force symmetrical and overload protection coupling, which comprises two coupling bodies, wherein sliding grooves are uniformly arranged in the two coupling bodies at intervals, sliding blocks are slidably connected in the sliding grooves, grinding discs are fixedly connected to one side end surfaces of the sliding blocks, protruding blocks are uniformly and fixedly connected to one side end surfaces of the two grinding discs at intervals, and grooves are uniformly arranged on one side end surfaces of the two grinding discs at intervals. According to the utility model, when the coupler is used, one side end face of the two coupler bodies is fixed with the nuts through the bolts which are uniformly and symmetrically spaced, so that the force distribution is uniform, and meanwhile, the two grinding discs in the coupler are in clamping connection with the grooves through the convex blocks which are uniformly and alternately arranged, so that the grinding discs can be prevented from moving relatively when the coupler rotates, the connection tightness is ensured, and the stability and the service life of the coupler are improved.

Description

Fastening mechanism of locking force symmetry and overload protection coupler

Technical Field

The utility model relates to the technical field of couplings, in particular to a fastening mechanism of a coupling with symmetrical locking force and overload protection.

Background

A coupling is a mechanical part for connecting two shafts (a driving shaft and a driven shaft) in different mechanisms to rotate together to transmit torque. In the high-speed and heavy-load power transmission, some couplings have the functions of buffering, damping and improving the dynamic performance of the shafting. The coupling consists of two half parts which are respectively connected with the driving shaft and the driven shaft. Typically, the power machine is connected to the work machine by means of a connecting shaft.

In the prior art, most of the locking parts of the coupler are not symmetrical due to the arrangement, so that insufficient locking force or asymmetrical locking force is easily caused during use, the locking parts are easy to loosen, the coupler is worn and deformed and even broken, and the service life of the coupler is reduced.

Therefore, a fastening mechanism of a coupling with symmetrical locking force and overload protection is provided by a person skilled in the art to solve the above-mentioned problems in the prior art.

Disclosure of utility model

The utility model aims to solve the defects in the prior art, and provides a fastening mechanism of a symmetrical locking force and overload protection coupler, wherein when the coupler is used, one side end surfaces of two coupler bodies are fixed through bolts and nuts which are uniformly spaced and symmetrical, so that the force distribution is uniform, and meanwhile, two grinding discs in the coupler are in clamping connection with grooves through convex blocks which are uniformly spaced, so that the grinding discs can be prevented from moving relatively when the coupler rotates, the fastening performance of the connection is ensured, and the stability and the service life of the coupler are improved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a locking force symmetry and overload protection shaft coupling's fastening mechanism, includes two shaft coupling body, two the inside evenly spaced of shaft coupling body is equipped with the spout, and a plurality of the inside of spout is all sliding connection has the slider, a plurality of the side end face of slider is all fixedly connected with mill, two the side end face of mill is evenly spaced fixedly connected with lug, two the side end face of mill is evenly spaced and is equipped with the recess, a plurality of the draw-in groove has all been seted up to the inner wall both sides of spout, a plurality of the inside both sides of slider are provided with the second spring, a plurality of the side end face of second spring is all fixedly connected with fixture block, two the inside evenly spaced of shaft coupling body is provided with the bolt, two the side end face middle part of shaft coupling body is all fixedly connected with connecting sleeve;

Through above-mentioned technical scheme, this shaft coupling is when using, and the bolt and the nut of one side terminal surface through even interval symmetry of two shaft couplings are fixed, can ensure that force distribution is even, and two mill of its inside carry out the block through the lug and the recess that even interval set up simultaneously and are connected for can prevent the mill relative movement when the shaft coupling rotates, ensure the fastening nature of connection, improved the stability and the life-span of shaft coupling.

Further, the protruding blocks which are uniformly and fixedly connected with one side end surface of the two grinding discs at intervals are in regular triangle distribution, the grooves which are uniformly and fixedly arranged on one side end surface of the two grinding discs at intervals are in regular triangle distribution, and a plurality of protruding blocks are all in clamping connection with the grooves;

Through above-mentioned technical scheme, carry out the block through lug and recess and connect and make two mill connection stability for the mill can bear certain axial force, ensures the stability and the reliability of transmission force.

Further, nuts are uniformly arranged on one side end face of the two coupling bodies at intervals, and the nuts are in triangular distribution and are in threaded connection with the bolts;

through above-mentioned technical scheme, through adopting a plurality of nuts and being the triangle and distributing and being connected to the shaft coupling body for bearing capacity can obtain evenly sharing, thereby has improved bearing capacity and the stability of whole connection.

Further, first springs are sleeved on two sides of the outer parts of the bolts;

Through the technical scheme, a certain pressure can be provided through the arranged spring, the bolt is kept in a fastening state, the safe operation of the coupler can be ensured, and the reliability of the transmission power is improved.

Further, key grooves are formed in one side of the inner wall of each connecting sleeve;

Through above-mentioned technical scheme, can ensure the fixed position between shaft coupling and the transmission through the keyway that sets up.

Further, threaded holes are formed in one side of the inner parts of the two connecting sleeves;

Through above-mentioned technical scheme, through the output with the actuating device with the threaded hole of connecting sleeve correspondingly be connected, realize the transmission of transmission power.

Further, the clamping blocks are in clamping connection with the clamping grooves;

through above-mentioned technical scheme, make its mill and shaft coupling body connect stably through the block connection, be convenient for dismantle the change to its mill simultaneously.

Further, both the grinding discs are made of high-speed steel materials;

Through the technical scheme, the millstone of the material has high strength and wear resistance, and the service life of the millstone is prolonged.

The utility model has the following beneficial effects:

1. Compared with the existing coupler, the coupler is fixed through threaded connection of bolts and nuts which are uniformly arranged on one side end surfaces of two couplers at intervals, uniform distribution and symmetrical transmission of force are achieved, stability of the coupler is improved, meanwhile, protruding blocks and grooves which are arranged on one side end surfaces of two grinding discs arranged in the coupler are connected in a clamping mode, relative movement of the grinding discs can be prevented when the coupler rotates, connection tightness is guaranteed, and stability and service life of the coupler are improved.

2. Compared with the existing coupler, the coupler provided by the utility model has the advantages that when the coupler is used, the two grinding discs in the coupler are worn and damaged after long-time use, and the bolts are disassembled and the grinding discs are pulled to enable the coupler to be quickly disassembled and be convenient to replace, so that the time and the cost are saved, and the service efficiency of the coupler is improved.

3. Compared with the existing coupler, the fastening mechanism for the symmetrical locking force and overload protection can improve the safety of the system through the fastening mechanism for the symmetrical locking force and overload protection, so that accidents caused by looseness or overload can be avoided, and the safety of workers and equipment can be protected.

Drawings

FIG. 1 is an isometric view of a fastening mechanism for a symmetrical locking force and overload protection coupling according to the present utility model;

FIG. 2 is a front cross-sectional view of a fastening mechanism for a symmetrical locking force and overload protection coupling according to the present utility model;

FIG. 3 is an isometric view of a disc connection of a fastening mechanism for a symmetric locking force and overload protection coupling according to the present utility model;

FIG. 4 is a front view of a fastening mechanism for a symmetrical locking force and overload protection coupling according to the present utility model;

Fig. 5 is an enlarged view at a in fig. 2.

Legend description:

1. a coupling body; 2. a nut; 3. a bolt; 4. a key slot; 5. a connecting sleeve; 6. a threaded hole; 7. a first spring; 8. grinding disc; 9. a bump; 10. a groove; 11. a slide block; 12. a clamping block; 13. a chute; 14. a clamping groove; 15. and a second spring.

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. 1-5, one embodiment provided by the present utility model is: the utility model provides a locking force symmetry and overload protection shaft coupling's fastening mechanism, including two shaft coupling body 1, the inside evenly spaced of two shaft coupling body 1 is equipped with spout 13, the inside of a plurality of spouts 13 is equal sliding connection has slider 11, the equal fixedly connected with mill 8 of one side terminal surface of a plurality of sliders 11, the equal spaced fixedly connected with lug 9 of one side terminal surface of two mills 8, the equal spaced apart of one side terminal surface of two mills 8 is equipped with recess 10, draw-in groove 14 has all been seted up to the inner wall both sides of a plurality of spouts 13, the inside both sides of a plurality of sliders 11 all are provided with second spring 15, the equal fixedly connected with fixture block 12 of one side terminal surface of a plurality of second spring 15, the equal spaced apart of inside of two shaft coupling body 1 is provided with bolt 3, the equal fixedly connected with connecting sleeve 5 of one side terminal surface middle part of two shaft coupling body 1, when the shaft coupling is used, one side terminal surface of two shaft couplings is through the equal spaced symmetrical bolt 3 and nut 2 is fixed, can ensure that the power distribution is even, simultaneously two mill 8 carry out the block connection through lug 9 and recess 10 that evenly spaced apart, the relative fastening of setting, the relative movement of mill 8 has been guaranteed in the shaft coupling, the stability of shaft coupling has been guaranteed.

The lug 9 of the even interval fixed connection of one side terminal surface of two mill 8 is regular triangle distribution, recess 10 that one side terminal surface of two mill 8 was evenly spaced offered is regular triangle distribution, a plurality of lugs 9 all are connected with recess 10 block, carry out block connection through lug 9 and recess 10 and make two mill 8 connect steadily, make mill 8 can bear certain axial force, ensure the stability and the reliability of transfer power, one side terminal surface of two coupling body 1 is evenly spaced and is provided with nut 2, a plurality of nuts 2 all are triangle distribution and bolt 3 threaded connection, through adopting a plurality of nuts 2 and be triangle distribution and be connected to coupling body 1, make the bearing capacity can obtain evenly sharing, thereby the bearing capacity and the stability of whole connection have been improved, the outside both sides of a plurality of bolts 3 all overlap and are equipped with first spring 7, can provide certain pressure with the bolt 3 and keep in fastening state, can guarantee the safe operation of connector, and improve the reliability of transfer power, keyway 4 has all been seted up to one side of the inner wall of two connecting sleeve 5, can be through the keyway 4 that sets up between the two mill 6 with the high-speed joint device, make the mill has the high-speed joint with the mill 8 through the corresponding with the screw hole 6, the high-speed joint between the mill, the two coupling 8 has the high-speed joint device is realized with its high-speed joint, the mill 8, the material is realized through the high-speed joint between the two mill 8, and the high-speed joint sleeve 8, and the high-speed joint device is realized, and the mill 8, and the service life is realized, and the high-speed joint is realized, and the service life, and the mill 8 is easy and has high service life.

Working principle: when the coupling is used, the bolts 3 and the nuts 2 which are arranged at the end faces of one side of the two couplings at equal intervals are in threaded connection for fixation, so that the force is uniformly distributed and symmetrically transmitted, the stability of the coupling is improved, meanwhile, the convex blocks 9 and the grooves 10 which are arranged at the end faces of one side of the two grinding discs 8 which are arranged in the coupling are in clamping connection, so that the grinding discs 8 can be prevented from moving relatively when the coupling rotates, the connection tightness is ensured, when the two grinding discs 8 in the coupling are worn and damaged after being used for a long time, the grinding discs 8 can be quickly detached for replacement by pulling the grinding discs 8 after the bolts 3 are detached, the time and the cost are saved, and the stability and the service life of the coupling are improved.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a locking force symmetry and overload protection shaft coupling's fastening mechanism, includes two shaft coupling bodies (1), its characterized in that: two evenly spaced inside of shaft coupling body (1) is equipped with spout (13), a plurality of the equal sliding connection of inside of spout (13) has slider (11), a plurality of the equal fixedly connected with mill (8) of one side terminal surface of slider (11), two evenly spaced of one side terminal surface fixedly connected with lug (9) of mill (8), two evenly spaced of one side terminal surface of mill (8) is equipped with recess (10), a plurality of draw-in groove (14) have all been seted up to the inner wall both sides of spout (13), a plurality of the inside both sides of slider (11) all are provided with second spring (15), a plurality of the equal fixedly connected with fixture block (12) of one side terminal surface of second spring (15), two the equal interval of inside of shaft coupling body (1) is provided with bolt (3), two equal fixedly connected with connecting sleeve (5) in one side terminal surface middle part of shaft coupling body (1).

2. The fastening mechanism for a symmetrical lock force and overload protection coupling of claim 1, wherein: the convex blocks (9) which are uniformly and fixedly connected with one side end surface of the grinding disc (8) at intervals are distributed in a regular triangle, the grooves (10) which are uniformly and fixedly arranged on one side end surface of the grinding disc (8) at intervals are distributed in a regular triangle, and a plurality of convex blocks (9) are all clamped and connected with the grooves (10).

3. The fastening mechanism for a symmetrical lock force and overload protection coupling of claim 1, wherein: nuts (2) are uniformly arranged on one side end face of the two coupling bodies (1) at intervals, and a plurality of nuts (2) are distributed in a triangular mode and are in threaded connection with the bolts (3).

4. The fastening mechanism for a symmetrical lock force and overload protection coupling of claim 1, wherein: the two sides of the outer part of the bolts (3) are respectively sleeved with a first spring (7).

5. The fastening mechanism for a symmetrical lock force and overload protection coupling of claim 1, wherein: and key grooves (4) are formed in one side of the inner wall of each connecting sleeve (5).

6. The fastening mechanism for a symmetrical lock force and overload protection coupling of claim 1, wherein: threaded holes (6) are formed in one side of the inner part of each connecting sleeve (5).

7. The fastening mechanism for a symmetrical lock force and overload protection coupling of claim 1, wherein: the clamping blocks (12) are connected with the clamping grooves (14) in a clamping mode.

8. The fastening mechanism for a symmetrical lock force and overload protection coupling of claim 1, wherein: both grinding discs (8) are made of high-speed steel materials.