CN213145155U

CN213145155U - Portable shaft coupling

Info

Publication number: CN213145155U
Application number: CN202021841019.6U
Authority: CN
Inventors: 吴标
Original assignee: Wuxi Julihe Machinery Technology Co ltd
Current assignee: Wuxi Julihe Machinery Technology Co ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-05-07
Anticipated expiration: 2030-08-28

Abstract

The utility model discloses a portable shaft coupling uses in the shaft coupling field, and its technical scheme main points are: the coupler comprises a coupler main body (2) and bearing sleeves (1) symmetrically arranged on two sides of the coupler main body (2), wherein the coupler main body (2) comprises a left coupling sleeve (21) and a right coupling sleeve (22), and the outer wall part of the right coupling sleeve (22) extends into the left coupling sleeve (21) and is abutted against the inner wall; has the technical effects that: when the length of the coupler needs to be adjusted, the right coupling sleeve is pulled out from the left coupling sleeve, the sleeve rod slides in the sleeve, and the clamping rod is matched with the clamping groove.

Description

Portable shaft coupling

Technical Field

The utility model relates to a shaft coupling technical field, in particular to portable shaft coupling.

Background

The coupling is used to couple two shafts in different mechanisms: a driving shaft and a driven shaft, and a mechanical part for rotating 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 halves 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.

Chinese patent publication No. CN205331255U discloses a portable shaft coupling, it includes the shaft coupling mounting of two relative settings and links together their coupling joint spare, the coupling joint spare includes the connecting block at connecting rod and connecting rod both ends, the side shape is "worker" font, the shaft coupling mounting comprises coaxial fixed part and the connecting portion that links to each other, all set up on the fixed part terminal surface can with the transmission shaft plug in close the shaft hole of being connected and can avoid transmission shaft and shaft hole relative pivoted keyway, the one end of connecting portion is equipped with the T shape spread groove of mountable coupling joint spare, the both ends of coupling joint spare are located two T shape spread grooves respectively, be connected with corresponding connecting portion block, still be equipped with on the connecting portion and fix the locking device in T shape spread groove with the coupling joint spare. The whole length of the coupler can not be adjusted, and when the length of the whole set of equipment is short, the coupler main body needs to be replaced, so that the requirement on the length is met.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a portable shaft coupling, its advantage: through setting up adjustment mechanism, convenient and fast's regulation shaft coupling's length satisfies the installation demand of different length.

The above technical purpose of the present invention can be achieved by the following technical solutions: a portable coupler comprises a coupler body and bearing sleeves symmetrically arranged on two sides of the coupler body, wherein the coupler body comprises a left coupling sleeve and a right coupling sleeve, the outer wall part of the right coupling sleeve extends into the left coupling sleeve and is abutted against the inner wall, a sleeve is fixedly arranged on the inner wall of the left coupling sleeve, four groups of clamping rods are arranged on the inner wall of the sleeve along the periphery, a sleeve rod matched with the sleeve is arranged on one side, facing the sleeve, of the right coupling sleeve, four groups of clamping grooves clamped with the clamping rods are arranged on the sleeve along the periphery, a first thread groove is formed in the left coupling sleeve at the position of the sleeve in a penetrating mode, the length of the first thread groove is equal to that of the sleeve, a second thread groove is formed in the sleeve rod along the same horizontal plane with the first thread groove in the length direction, the length of the second thread groove is equal to that of the first thread groove, and a threaded rod sequentially penetrates through the first thread groove and the second thread groove, the threaded rod is connected with a nut in a threaded mode, and the nut is abutted to the outer wall of the left coupling sleeve.

Through the technical scheme, when the length of shaft coupling needs to be adjusted, pull out right coupling sleeve from left coupling sleeve, the loop bar slides in the cover pipe, the kelly is mutually supported with the draw-in groove, on the one hand, it makes to be connected more closely between left coupling sleeve and the right coupling sleeve to be connected between kelly and the draw-in groove, and reduce the possibility of mutual slip between left coupling sleeve and the right coupling sleeve, on the other hand, the draw-in groove plays the guide effect to the kelly, make the loop bar better and be connected between the sleeve pipe, when the shaft coupling main part is adjusted suitable position, follow first thread groove with the screw rod, the second thread groove is inserted into, it screws up to revolve the nut, fix between left coupling sleeve and the right coupling sleeve, thereby satisfy different length shaft coupling installation demands.

The utility model discloses further set up to: one side along width direction in the cover pipe is equipped with damping spring, damping spring's the other end sets firmly the rubber block.

Through above-mentioned technical scheme, when the loop bar inserts the intraductal diapire that is close of cover, damping spring and rubber block mutually support, play the cushioning effect to right yoke sleeve, reduce the possibility that installation vibrations brought the installation dislocation between right yoke sleeve and the left yoke sleeve.

The utility model discloses further set up to: the protective layer has been laminated on the internal surface of left side shaft coupling, the laminating has the antifriction layer on the outer wall of right side shaft coupling.

Through above-mentioned technical scheme, when installing between left shaft sleeve and the right shaft sleeve, the protective layer plays the guard action to doing left shaft sleeve inner wall, and the antifriction layer plays the guard action to the outer wall of right shaft sleeve, and the possibility that reduction friction brought left shaft sleeve and right shaft sleeve damage.

The utility model discloses further set up to: the bearing sleeve is provided with a plurality of groups of radiating grooves, and the radiating grooves are detachably connected with a metal net along the periphery of the inner wall.

Through above-mentioned technical scheme, the shaft coupling is at high-speed operation in-process, and inside can produce a large amount of heats, and the radiating groove is arranged the external world with the heat in the bearing housing, reduces the heat and too high possibility that causes the shaft coupling to damage, and the metal mesh blocks that external debris gets into in the bearing housing, reduces the influence of external environment to the work of shaft coupling.

To sum up, the utility model discloses following beneficial effect has:

1. when the length of the coupler is required to be adjusted, the right coupling sleeve is pulled out from the left coupling sleeve, the sleeve rod slides in the sleeve, and the clamping rod and the clamping groove are matched with each other;

2. when installing between left shaft coupling and the right shaft coupling, the protective layer plays the guard action to doing left shaft coupling inner wall, and the antifriction layer plays the guard action to the outer wall of right shaft coupling, reduces the possibility that friction brought left shaft coupling and right shaft coupling damage.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

fig. 2 is a schematic view of the connection between the left coupling sleeve and the right coupling sleeve of the present invention;

fig. 3 is a schematic view of the internal structure of the coupling body.

Reference numerals: 1. a bearing housing; 2. a coupling body; 21. a left coupling sleeve; 22. a right coupling sleeve; 3. a clamping rod; 4. a sleeve; 5. a loop bar; 6. a card slot; 7. a first thread groove; 8. a second thread groove; 9. a threaded rod; 10. a nut; 11. a damping spring; 12. a rubber block; 13. a protective layer; 14. an anti-friction layer; 15. a heat sink; 16. a metal mesh.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b): referring to fig. 1, 2 and 3, fig. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a schematic view of the internal structure of the coupling body; fig. 3 is a schematic view for embodying the connection between the left coupling sleeve and the right coupling sleeve of the present invention. A portable coupler comprises a coupler main body 2 and bearing sleeves 1 symmetrically connected to two sides of the coupler main body 2, the coupler main body 2 comprises a left coupling sleeve 21 and a right coupling sleeve 22, a protective layer 13 is attached to the inner surface of the left coupling sleeve 21, an anti-friction layer 14 is attached to the outer wall of the right coupling sleeve 22, the protective layer 13 is made of stainless steel, the anti-friction layer 14 is made of titanium steel, the outer wall of the right coupling sleeve 22 extends into the left coupling sleeve 21 and is abutted against the inner wall, a sleeve 4 is fixedly connected to the inner wall of the left coupling sleeve 21, four groups of clamping rods 3 are fixedly connected to the inner wall of the sleeve 4 along the periphery, a sleeve rod 5 matched with the sleeve 4 is fixedly connected to one side of the right coupling sleeve 22 facing the sleeve 4, four groups of clamping grooves 6 clamped with the clamping rods 3 are formed on the sleeve rod 5 along the periphery, a first threaded groove 7 is formed in the left coupling sleeve 21 at the position, where the sleeve 4 passes through, the length of the first thread groove 7 is equal to that of the sleeve 4, the sleeve rod 5 is provided with a second thread groove 8 along the same horizontal plane with the first thread groove 7 along the length direction, the length of the second thread groove 8 is equal to that of the first thread groove 7, the first thread groove 7 and the second thread groove 8 sequentially penetrate through a threaded rod 9, the threaded rod 9 is in threaded connection with a nut 10, the nut 10 is abutted to the outer wall of the left coupling sleeve 21, when the length of the coupler needs to be adjusted, the right coupling sleeve 22 is pulled out from the left coupling sleeve 21, the sleeve rod 5 slides in the sleeve 4, the clamping rod 3 is matched with the clamping groove 6, on one hand, the clamping rod 3 is connected with the clamping groove 6 to enable the left coupling sleeve 21 and the right coupling sleeve 22 to be connected more tightly and reduce the possibility of mutual sliding between the left coupling sleeve 21 and the right coupling sleeve 22, on the other hand, the clamping groove 6 plays a guiding role for the clamping rod 3 to enable the sleeve rod 5 to be connected with the sleeve, when installing between left shaft coupling 21 and the right shaft coupling 22, protective layer 13 plays the guard action to doing left shaft coupling 21 inner wall, antifriction layer 14 plays the guard action to right shaft coupling 22's outer wall, reduce the possibility that friction brought left shaft coupling 21 and right shaft coupling 22 and damaged, when shaft coupling main part 2 was adjusted suitable position, follow first thread groove 7 with the screw rod, second thread groove 8 inserts into, it screws up to screw up nut 10, fix between left shaft coupling 21 and the right shaft coupling 22, thereby satisfy different length shaft coupling installation demands.

Further, one side fixedly connected with damping spring 11 along width direction in the sleeve pipe 4, damping spring 11's other end fixedly connected with block rubber 12, when loop bar 5 inserts and is close the diapire in the sleeve pipe 4, damping spring 11 and block rubber 12 mutually support, play the cushioning effect to right coupling sleeve 22, reduce the installation vibrations between right coupling sleeve 22 and the left coupling sleeve 21 and bring the possibility of installation dislocation, a plurality of groups radiating groove 15 have been seted up on the bearing housing 1, a plurality of groups radiating groove 15 have metal mesh 16 along the peripheral releasable connection of inner wall, the shaft coupling is at high-speed operation in-process, inside can produce a large amount of heats, radiating groove 15 arranges the external heat in the bearing housing 1, reduce the too high possibility that causes the shaft coupling to damage of heat, metal mesh 16 blocks in external debris gets into bearing housing 1, reduce the influence of external environment to shaft coupling work.

The method comprises the following operation steps: when the length of shaft coupling needs to be adjusted, pull out right coupling sleeve 22 from left coupling sleeve 21, loop bar 5 slides in sleeve 4, card pole 3 and draw-in groove 6 mutually support, on the one hand, it makes to be connected more closely between left coupling sleeve 21 and the right coupling sleeve 22 to be connected between card pole 3 and the draw-in groove 6, and reduce the possibility of mutual slip between left coupling sleeve 21 and the right coupling sleeve 22, on the other hand, draw-in groove 6 plays the guide effect to card pole 3, make loop bar 5 better and be connected between sleeve 4, when shaft coupling main part 2 is adjusted suitable position, follow first thread groove 7 with the screw rod, second thread groove 8 is inserted into, it screws up nut 10 soon, fix between left coupling sleeve 21 and the right coupling sleeve 22, thereby satisfy different length shaft coupling installation demands.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. A portable shaft coupling which characterized in that: the coupler comprises a coupler body (2) and bearing sleeves (1) symmetrically arranged on two sides of the coupler body (2), wherein the coupler body (2) comprises a left coupling sleeve (21) and a right coupling sleeve (22), the outer wall part of the right coupling sleeve (22) extends into the left coupling sleeve (21) and is abutted against the inner wall, a sleeve (4) is fixedly arranged on the inner wall of the left coupling sleeve (21), four groups of clamping rods (3) are arranged on the inner wall of the sleeve (4) along the periphery, a sleeve rod (5) matched with the sleeve (4) is arranged on one side of the right coupling sleeve (22) facing the sleeve (4), four groups of clamping grooves (6) clamped with the clamping rods (3) are formed on the sleeve rod (5) along the periphery, a first thread groove (7) penetrates through the sleeve (4) on the left coupling sleeve (21), and the length of the first thread groove (7) is equal to that of the sleeve (4), second thread groove (8) have been seted up along length direction and the same horizontal plane of first thread groove (7) on loop bar (5), second thread groove (8) are equal with the length of first thread groove (7), threaded rod (9) are run through in proper order in first thread groove (7) and second thread groove (8), threaded connection has nut (10) on threaded rod (9), nut (10) are inconsistent with left side antithetical couplet axle sleeve (21) outer wall.

2. The portable coupling of claim 1, wherein: one side along width direction is equipped with damping spring (11) in sleeve pipe (4), damping spring (11)'s the other end sets firmly block rubber (12).

3. The portable coupling of claim 1, wherein: a protective layer (13) is attached to the inner surface of the left coupling sleeve (21), and an anti-friction layer (14) is attached to the outer wall of the right coupling sleeve (22).

4. The portable coupling of claim 1, wherein: a plurality of groups of radiating grooves (15) are formed in the bearing sleeve (1), and a plurality of groups of radiating grooves (15) are detachably connected with a metal net (16) along the periphery of the inner wall.