CN212155469U

CN212155469U - Shaft sleeve convenient to assemble and disassemble

Info

Publication number: CN212155469U
Application number: CN202020858973.XU
Authority: CN
Inventors: 欧阳平
Original assignee: Nanjing Qunwei Precision Machinery Manufacturing Co ltd
Current assignee: Nanjing Qunwei Precision Machinery Manufacturing Co ltd
Priority date: 2020-05-20
Filing date: 2020-05-20
Publication date: 2020-12-15
Anticipated expiration: 2030-05-20

Abstract

The utility model relates to a shaft sleeve convenient to assemble and disassemble, which is applied to the field of shaft sleeves and aims to solve the problem that the replacement cost is increased due to inconvenient assembly and disassembly of the shaft sleeve; when workers need to assemble a plurality of sectional shaft sleeves into a shaft sleeve body, the adjacent two shaft sleeves are tightly clamped and embedded through the matching of the pressing rod and the locking piece; when a certain part of the shaft sleeve body is damaged, the segmented shaft sleeve where the damaged part is located is replaced, so that the shaft sleeve body is quickly assembled and disassembled, the replacement cost of the shaft sleeve is reduced, and the industrial requirement is met.

Description

Shaft sleeve convenient to assemble and disassemble

Technical Field

The utility model belongs to the technical field of the technique of axle sleeve and specifically relates to an axle sleeve of conveniently installing and removing is related to.

Background

The shaft sleeve is a cylindrical mechanical part sleeved on the rotating shaft and is a component of the sliding bearing. Usually, the axis of rotation is often adorned in the middle of the axle sleeve, and the axle sleeve can produce the heat at the rotation in-process, but axle sleeve itself can not dispel the heat, generally adorn the circulative cooling system outward, cool off with the cooling water.

The existing utility model patent with the granted publication number of CN201944120U discloses a shaft sleeve with cooling function, which comprises a shaft sleeve body, wherein a lubricating layer is coated on the inner surface of the shaft sleeve body, a plurality of oil seepage grooves are arranged in the lubricating layer along the length direction of the shaft sleeve body, a cooling bin is respectively arranged in the inner side walls of two sides of the shaft sleeve body, a plurality of guide pipes are arranged outside each cooling bin, and the guide pipes are arranged along the length direction of the shaft sleeve body and are communicated with the cooling bins; this axle sleeve dispels the heat through the cooperation of cooling storehouse and honeycomb duct to the axle sleeve, through lubricated layer and oil seepage groove, plays good lubricated effect to the axle sleeve.

However, the above prior art solutions have the following drawbacks: when a certain part of the shaft sleeve is damaged, the whole shaft sleeve needs to be replaced, so that the replacement cost of the shaft sleeve is increased, and the shaft sleeve which is convenient to assemble and disassemble needs to be designed to meet the industrial requirement.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a conveniently install and remove axle sleeve to prior art exists, the advantage makes things convenient for the workman to install and remove fast, has solved the axle sleeve and has caused the problem that the replacement cost increases because of inconvenient installing and removing.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a shaft sleeve convenient to install and remove, includes shaft sleeve body and a plurality of water conservancy diversion passageway, and is a plurality of water conservancy diversion passageway evenly distributed is in the lateral wall of shaft sleeve body, the shaft sleeve body includes a plurality of segmentation axle sleeves, and is two adjacent segmentation axle sleeve looks inlay card, it is equipped with the compression bar to extend along the horizontal direction on the lateral wall of segmentation axle sleeve, be equipped with the retaining member that is used for locking the compression bar on the two-phase adjacent segmentation axle sleeve on the lateral wall of segmentation axle sleeve.

By adopting the technical scheme, when workers need to assemble a plurality of sectional shaft sleeves together, the two adjacent shaft sleeves are tightly clamped and embedded by utilizing the matching of the pressing rod and the locking piece; when a certain part of the shaft sleeve is worn, namely when a certain sectional shaft sleeve is worn, the damaged sectional shaft sleeve is replaced, so that the shaft sleeve body is quickly assembled and disassembled, the replacement cost of the shaft sleeve is reduced, and the industrial requirement is met.

The utility model discloses further set up to: the locking piece comprises an external clamping block, an oval sliding groove is formed in the side wall of the external clamping block, and the length of the short shaft of the oval sliding groove is close to the shortest distance between the two pressing rods.

By adopting the technical scheme, after a worker preliminarily assembles two adjacent segmented shaft sleeves, a gap still exists between the two segmented shaft sleeves, and the worker relatively slides the pressing rods on the two adjacent segmented shaft sleeves to two ends of the short shaft of the oval sliding chute from the end of the long shaft of the oval sliding chute by rotating the external connecting fixture block, so that the two adjacent segmented shaft sleeves are close to each other, and the two adjacent segmented shaft sleeves are tightly clamped and embedded; when workers need to disassemble the shaft sleeve body, the external clamping block is rotated reversely, so that the distance between the two pressing rods is increased, and two adjacent segmented shaft sleeves are separated; through the cooperation of external fixture block and compressing tightly the pole, be favorable to the workman to realize installing and removing of axle sleeve body fast.

The utility model discloses further set up to: and an elastic gasket is arranged between two adjacent sectional shaft sleeves.

By adopting the technical scheme, the flow guide channel is arranged in the shaft sleeve, and the elastic gasket is utilized to improve the sealing performance after the two adjacent segmental shaft sleeves are assembled, so that the possibility of cooling water overflowing from the joint of the two segmental shaft sleeves is reduced; and when the external fixture block is rotated by a worker, the distance between the two pressing rods is larger, and the smoothness of the external fixture block can be improved by the aid of the elastic gasket.

The utility model discloses further set up to: the locking piece comprises a pull rope, a limiting ring for the pull rope to pass through is arranged on the pressing rod, and the free end of the pull rope is fixed on the pressing rod through a fixing piece.

By adopting the technical scheme, after a worker preliminarily clamps and embeds two adjacent segmented shaft sleeves, the two pressing rods are tensioned by the pull rope, so that the distance between the two pressing rods is reduced, the two adjacent segmented shaft sleeves are tightly clamped and embedded, and the pull rope is fixed by the locking piece, so that the tightness after the two segmented shaft sleeves are assembled is ensured; when a worker needs to replace a certain worn sectional shaft sleeve, the pull ropes on the two adjacent pressing rods are reversely pulled, so that the two sectional shaft sleeves are separated, and the shaft sleeve body can be quickly assembled and disassembled.

The utility model discloses further set up to: the fixing piece comprises a screw rod, the screw rod is connected with the free end of the pull rope, and a first thread groove in threaded fit with the screw rod is formed in the side wall of the pressing rod.

By adopting the technical scheme, after a worker tightly clamps and embeds two adjacent shaft sleeves, the screw thread of the screw is screwed in the first thread groove, so that the pull rope is fixed, and the connection tightness between the two adjacent segmented shaft sleeves is further ensured; and through the cooperation of stay cord, screw rod and compressing tightly the pole, make things convenient for workman's installation and dismantlement axle sleeve body.

The utility model discloses further set up to: the plurality of flow guide channels are annularly arranged in the side wall of the shaft sleeve along the circumferential direction of the segmented shaft sleeve.

By adopting the technical scheme, the flow guide channel is annularly arranged in the side wall of the shaft sleeve, so that the length of the flow guide channel is favorably prolonged, and the time for cooling water to flow in the shaft sleeve is prolonged; and is favorable to promoting the area of contact of cooling water and axle sleeve body, and then promotes cooling efficiency.

The utility model discloses further set up to: and the outer side wall of the segmented shaft sleeve is provided with a guide marking line.

By adopting the technical scheme, the diversion channel is annularly arranged in the side wall of the sectional shaft sleeve, two adjacent sectional shaft sleeves need to be aligned before being assembled, and the guide marking line is utilized, so that a worker can conveniently and quickly install the sectional shaft sleeves.

The utility model discloses further set up to: the outer side wall of the segmented shaft sleeve is provided with a second thread groove, and the side wall of one end, connected with the segmented shaft sleeve, of the pressing rod is provided with a thread block in threaded fit with the second thread groove.

Through adopting above-mentioned technical scheme, at the in-process of processing this axle sleeve body, in order to further promote the characteristic that this axle sleeve body can be installed and removed fast, through the cooperation of thread piece and thread groove, make things convenient for workman to install fast and dismantle the compression bar.

To sum up, the utility model discloses a beneficial technological effect does:

1. convenient assembly and disassembly: through the matching of the pressing rod and the locking piece, workers can conveniently and quickly disassemble and assemble the two adjacent segmented shaft sleeves so as to meet industrial requirements; the pressing rod is in threaded connection with the shaft sleeve body through the threaded block, so that workers can conveniently and quickly assemble and disassemble the pressing rod, the characteristic that the shaft sleeve body can be assembled and disassembled is further improved, and the replacement cost of the shaft sleeve is favorably reduced;

2. the cooling efficiency is high: after the shaft sleeve body is used for a period of time, workers inject cooling water into the flow guide channel to cool the shaft sleeve, and the flow guide channel is annularly arranged in the inner side wall of the segmented shaft sleeve, so that the flow path of water flow is prolonged, and the flow time of the water flow in the shaft sleeve is prolonged; and the contact area of the cooling water and the shaft sleeve is increased, so that the cooling efficiency of the shaft sleeve is improved.

Drawings

Fig. 1 is a schematic structural diagram of the first embodiment.

Fig. 2 is a schematic structural view of a lock member used in the first embodiment.

Fig. 3 is a schematic cross-sectional structure diagram for showing the positional relationship between the flow guide channel and the side wall of the segmented shaft sleeve, the connection relationship between the pressing rod and the segmented shaft sleeve, and the connection relationship between two adjacent segmented shaft sleeves.

Fig. 4 is a schematic structural view for showing a positional relationship between the guide mark line and the segmented bushing.

Fig. 5 is a schematic structural diagram for embodying the second embodiment.

Fig. 6 is an exploded view of the fastening member, the pulling rope, the limiting ring, and the compressing rod according to the second embodiment.

In the figure, 1, a shaft sleeve body; 2. a flow guide channel; 3. a segmented shaft sleeve; 31. a first sectional shaft sleeve; 32. a middle section shaft sleeve; 33. a final sectional shaft sleeve; 4. a hold down bar; 5. a locking member; 6. a clamping block is externally connected; 7. an elliptical chute; 8. an elastic pad; 9. a limiting ring; 10. pulling a rope; 11. a fixing member; 12. a screw; 13. a first thread groove; 14. a guide marking line; 15. a second thread groove; 16. a thread block; 17. inserting a rod; 18. and (4) a slot.

Detailed Description

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

The first embodiment is as follows:

referring to fig. 1, for the utility model discloses a conveniently install and remove axle sleeve, the problem that the axle sleeve caused the change cost to increase because of inconvenient installing and removing is solved, this axle sleeve includes axle sleeve body 1, be equipped with a plurality of water conservancy diversion passageways 2 in the axle sleeve body 1, the export equipartition of water conservancy diversion passageway 2 is on the end wall at axle sleeve body 1 both ends, axle sleeve body 1 is formed by the concatenation of a plurality of segmentation axle sleeve 3 inlay card, a plurality of segmentation axle sleeves 3 include first segmentation axle sleeve 31, end position segmentation axle sleeve 33 and a plurality of middle segmentation axle sleeve 32, middle segmentation axle sleeve 32 is one, it is equipped with compressing tightly pole 4 to extend along the horizontal direction on segmentation axle sleeve 3's the lateral wall, be equipped with retaining member 5 that is used for locking double-phase.

Referring to fig. 1, when a worker needs to assemble a plurality of segmented shaft sleeves 3 together, the middle segmented shaft sleeve 32 and the last segmented shaft sleeve 33 are firstly inserted and assembled, and then the first segmented shaft sleeve 31 is inserted and assembled on the top wall of the middle segmented shaft sleeve 32.

Referring to fig. 2 and 3, the top wall of the middle section shaft sleeve 32 and the top wall of the last section shaft sleeve 33 are both provided with an insertion rod 17, the bottom wall of the first section shaft sleeve 31 and the bottom wall of the middle section shaft sleeve 32 are both provided with a slot 18 matched with the insertion rod 17, the locking member 5 comprises an external fixture block 6, the external fixture block 6 is in a cuboid shape, an elliptical sliding groove 7 is arranged in the middle of the side wall of the external fixture block 6, the length of the long axis of the elliptical sliding groove 7 is close to the maximum distance between the pressing rods 4 on the two adjacent section shaft sleeves 3, and the length of the short axis of the elliptical sliding groove 7 is close to the minimum distance between the pressing rods 4 on the two adjacent section shaft sleeves 3.

Referring to fig. 2 and 3, when a worker splices two adjacent segmented shaft sleeves 3, the insertion rod 17 is inserted into the insertion slot 18, the external clamping block 6 is sleeved on the two pressing rods 4, the side walls of the two pressing rods 4 are attached to the hole walls at the two ends of the long axis of the elliptical chute 7, the pressing rods 4 are rotated, one ends of the two pressing rods 4 extending out of the external clamping block 6 are attached to the hole walls at the two ends of the short axis of the elliptical chute 7, and at the moment, the distance between the two pressing rods 4 reaches the minimum distance, namely, the middle segmented shaft sleeve 32 is tightly clamped and embedded with the last segmented shaft sleeve 33; similarly, the first sectional shaft sleeve 31 and the middle sectional shaft sleeve 32 are spliced by using the installation method, so that the sectional shaft sleeves 3 are spliced into the complete shaft sleeve body 1.

Referring to fig. 3, the end walls at both ends of the middle section shaft sleeve 32 are adhered with elastic gaskets 8, and the elastic gaskets 8 are rubber pads; the smoothness of workers in rotating the external connection clamping block 6 is improved by the elastic gasket 8; and is favorable for improving the sealing performance between two adjacent sectional shaft sleeves 3.

Referring to fig. 3, a plurality of flow guide channels 2 are annularly arranged in the side wall of the shaft sleeve along the circumferential direction of the segmented shaft sleeve 3, and the flow guide channels 2 are spirally arranged; when the workman injects the cooling water in the water conservancy diversion passageway 2 and cools down the axle sleeve, through spiral helicine water conservancy diversion passageway 2, be favorable to prolonging the flow path of cooling water to the time that the extension cooling water flowed in the axle sleeve, and then the effect of carrying out cooling down to the axle sleeve is promoted.

Referring to fig. 3, a thread block 16 is arranged at one end of the compression rod 4 connected with the segmented shaft sleeve 3, and a second thread groove 15 in threaded fit with the thread block 16 is arranged on the outer side wall of the segmented shaft sleeve 3; through the cooperation of the thread block 16 and the second thread groove 15, the pressing rod 4 is convenient for workers to install and dismantle, so that the characteristic that the shaft sleeve body is convenient to install and dismantle is further improved.

Referring to fig. 4, the outer side wall of the segmented shaft sleeve 3 is provided with a guide marking line 14; because the water conservancy diversion passageway 2 is the heliciform and sets up in axle sleeve body 1, and axle sleeve body 1 is formed by three segmentation axle sleeves 3 concatenation, at the in-process of concatenation, for the convenience of workman splice above-mentioned three segmentation axle sleeves 3 fast, utilizes direction mark line 14, makes things convenient for the workman to align two adjacent segmentation axle sleeves 3 to realize installing and removing fast of axle sleeve body 1.

The implementation principle of the embodiment is as follows: a worker aligns the middle segmented shaft sleeve 32 with the guide mark line 14 on the last segmented shaft sleeve 33, then clamps and inserts the middle segmented shaft sleeve 32 with the last segmented shaft sleeve 33, then screws the external fixture block 6, shortens the distance between the two pressing rods 4, so that the middle segmented shaft sleeve 32 is tightly clamped and inserted with the last segmented shaft sleeve 33, repeats the assembling method, and splices the first segmented shaft sleeve 31 with the middle segmented shaft sleeve 32, so that the segmented shaft sleeves 3 are spliced into a complete shaft sleeve body 1; when a worker needs to replace a damaged segmented shaft sleeve 3, the external clamping block 6 is reversely screwed, and the two adjacent segmented shaft sleeves 3 are separated, so that the shaft sleeve body 1 is quickly assembled and disassembled, and the replacement cost of the shaft sleeve is reduced.

Example two:

referring to fig. 5 and 6, the difference between the second embodiment and the first embodiment is that the locking member 5 is different, the locking member 5 includes a pull rope 10, a limiting ring 9 is disposed on a side wall of the pressing rod 4, a free end of the pull rope 10 is fixed on the pressing rod 4 through a fixing member 11, the fixing member 11 includes a screw 12, and a first thread groove 13 engaged with the screw 12 is disposed on a side wall of the pressing rod 4; when a worker needs to assemble two adjacent segmented shaft sleeves 3, the pull rope 10 sequentially penetrates through the two limiting rings 9, and the screw 12 is in threaded connection with the first thread groove 13, so that the pull rope 10 is in a stretched state, and the connection tightness between the two adjacent segmented shaft sleeves 3 is ensured; when a worker needs to replace a certain worn sectional shaft sleeve 3, the screw 12 is separated from the pressing rods, and then the pull ropes 10 on the two pressing rods 4 are reversely pulled to separate the two sectional shaft sleeves 3, so that the shaft sleeve body 1 can be quickly assembled and disassembled, and the replacement cost of the shaft sleeve is saved.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a shaft sleeve of conveniently installing and removing, includes shaft sleeve body (1) and a plurality of water conservancy diversion passageway (2), and is a plurality of water conservancy diversion passageway (2) evenly distributed is in the lateral wall of shaft sleeve body (1), its characterized in that: the shaft sleeve body (1) comprises a plurality of segmented shaft sleeves (3), the segmented shaft sleeves (3) are in clamping and embedding, the outer side wall of each segmented shaft sleeve (3) is provided with a pressing rod (4) in an extending mode along the horizontal direction, and locking pieces (5) used for locking the pressing rods (4) on the two adjacent segmented shaft sleeves (3) are arranged on the outer side wall of each segmented shaft sleeve (3).

2. The easy-to-mount/dismount bushing according to claim 1, wherein: locking member (5) are including external fixture block (6), be equipped with oval spout (7) on the lateral wall of external fixture block (6), the length of the minor axis of oval spout (7) is close with the shortest distance between two compression bars (4).

3. The easy-to-mount/dismount bushing according to claim 2, wherein: an elastic gasket (8) is arranged between the end walls of two adjacent sectional shaft sleeves (3).

4. The easy-to-mount/dismount bushing according to claim 1, wherein: the locking piece (5) comprises a pull rope (10), a limiting ring (9) for the pull rope (10) to penetrate through is arranged on the pressing rod (4), and the free end of the pull rope (10) is fixed on the pressing rod (4) through a fixing piece (11).

5. The easy-to-mount/dismount bushing according to claim 4, wherein: the fixing piece (11) comprises a screw rod (12), the screw rod (12) is connected with the free end of the pull rope (10), and a first thread groove (13) in thread fit with the screw rod (12) is formed in the side wall of the pressing rod (4).

6. The easy-to-mount/dismount bushing according to claim 1, wherein: the plurality of flow guide channels (2) are annularly arranged in the side wall of the shaft sleeve along the circumferential direction of the segmented shaft sleeve (3).

7. The easy-to-mount/dismount bushing according to claim 6, wherein: and the outer side wall of the segmented shaft sleeve (3) is provided with a guide marking line (14).

8. The easy-to-mount/dismount bushing according to claim 1, wherein: the outer side wall of the segmented shaft sleeve (3) is provided with a second thread groove (15), and the side wall of one end, connected with the segmented shaft sleeve (3), of the pressing rod (4) is provided with a thread block (16) in threaded fit with the second thread groove (15).