CN217108097U

CN217108097U - Assembly structure of intermediate shaft and gear

Info

Publication number: CN217108097U
Application number: CN202220861276.9U
Authority: CN
Inventors: 吴春锋; 梁江; 梁超波
Original assignee: Xinchang Sanchuan Precision Machinery Co ltd
Current assignee: Xinchang Sanchuan Precision Machinery Co ltd
Priority date: 2022-04-14
Filing date: 2022-04-14
Publication date: 2022-08-02
Anticipated expiration: 2032-04-14

Abstract

The utility model relates to an assembly structure of a gap bridge shaft and a gear, which comprises a gap bridge shaft and a gear detachably connected with the front of the gap bridge shaft, wherein the middle part of the gear is provided with a shaft hole, the inner wall of the shaft hole is provided with a key groove, and the front end of the gap bridge shaft is fixedly provided with a connecting shaft clamped with the shaft hole; the upper end of the connecting shaft is provided with a groove, a key strip is inserted in the groove and is inserted in the key groove, the lower end of the key strip is fixed with a vertical rod, the front end of the connecting shaft is provided with a thread groove, and the inside of the thread groove is in threaded connection with a screw head. Has the advantages that: inside the back in the shaft hole with connecting axle insert gear, grasp the gear again and rotate the spiral shell head, like this along with the spiral shell head twists the thread groove inside, and make the rubber block roll-off side groove and hug closely the shaft hole inner wall, can make the gag lever post rear portion pass the spacing hole of montant simultaneously, still can carry on spacingly to the keybar like this to carry out the shock attenuation through the rubber block, can reduce the vibration of gear at rotatory in-process to the axle of crossing, and improved the stability of keybar on the connecting axle.

Description

Assembly structure of intermediate shaft and gear

Technical Field

The utility model relates to a shaft and gear matched stack technical field especially relate to a matched stack structure of gap bridge axle and gear.

Background

The carrier gear shaft is a shaft having a carrier gear, i.e., a transition gear, in the middle, and is a toothed mechanical part which does not affect the gear ratio of the main gear and the driven gear and rotates the main gear and the driven gear to the same gear, and which can mesh with each other. At present, when the gap bridge shaft is matched with the gear set, the gap bridge gear vibrates the gap bridge shaft greatly in the transmission process, and the stability of the gap bridge shaft is easily influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's defect, provide a matched stack structure of gap bridge axle and gear to solve the problem of proposing among the above-mentioned background art.

An assembly structure of a gap bridge shaft and a gear comprises the gap bridge shaft and the gear detachably connected to the front of the gap bridge shaft, wherein a shaft hole is formed in the middle of the gear, a key groove is formed in the inner wall of the shaft hole, and a connecting shaft clamped with the shaft hole is fixedly arranged at the front end of the gap bridge shaft;

the connecting shaft is provided with a groove at the upper end, the groove is internally spliced with a key strip, the key strip is spliced with a key groove, the lower end of the key strip is fixed with a vertical rod, the front end of the connecting shaft is provided with a thread groove, the thread groove is internally and threadedly connected with a screw head, the bottom of the thread groove is provided with a piston cavity, the tail end of the vertical rod penetrates into the piston cavity, the piston cavity is internally provided with a first piston component which is positioned in front of the vertical rod, the first piston component is respectively connected with the vertical rod and the screw head, the left end and the right end of the connecting shaft are both provided with side grooves, the bottom of each side groove is provided with a communicating cavity communicated with the piston cavity, a second piston component is arranged in the communicating cavity, and the inside of each side groove is slidably connected with a rubber block connected with the second piston component.

Preferably, the surface of the key bar is provided with a screw hole.

Preferably, a rubber pad is fixed at the lower end of the key bar, the rubber pad is tightly attached to the bottom of the groove, and the vertical rod is arranged in a penetrating mode with the rubber pad.

Preferably, the front end of the screw head is provided with a hexagonal groove.

Preferably, piston assembly one includes piston rod one, piston one and gag lever post, a sliding connection of piston is in the piston intracavity portion, piston rod one is fixed in piston one and is close to the one end of spiral shell head, a piston rod end is fixed with the spiral shell head, the gag lever post is fixed in piston one and is kept away from the one end of spiral shell head, open the montant lower part has spacing hole, the gag lever post is terminal to be pegged graft with spacing hole.

Preferably, the second piston assembly comprises a second piston and a second piston rod, the second piston is slidably connected inside the communicating cavity, and the second piston rod is fixed between the second piston and the rubber block.

Has the advantages that: inside the back in the shaft hole with the connecting axle inserted gear, seize the gear again and rotate the spiral shell head, along with the spiral shell head twists the thread groove inside like this, and make the rubber block roll-off side groove and hug closely the shaft hole inner wall, can make the gag lever post rear portion pass the spacing hole of montant simultaneously, still can carry on spacingly like this to the keybar to carry out the shock attenuation through the rubber block, can reduce the vibration of gear at rotatory in-process to the axle of crossing, improved the stability of keybar on the connecting axle moreover.

Drawings

FIG. 1 is a general schematic view of the present invention;

FIG. 2 is a schematic view of the present invention showing the gap bridge shaft and the gear disassembled;

FIG. 3 is a schematic side view of the connecting shaft of the present invention;

fig. 4 is a schematic view of a front view of the connecting shaft of the present invention.

Detailed Description

Referring to fig. 1 to 4, an assembly structure of a gap bridge shaft and a gear comprises a gap bridge shaft 1 and a gear 2 detachably connected to the front of the gap bridge shaft, wherein a shaft hole 7 is formed in the middle of the gear 2, a key groove 8 is formed in the inner wall of the shaft hole 7, a connecting shaft 3 clamped with the shaft hole 7 is fixed at the front end of the gap bridge shaft 1, a groove 23 is formed in the upper end of the connecting shaft 3, a key strip 6 is inserted into the groove 23, the key strip 6 is inserted into the key groove 8, a screw hole 10 is formed in the surface of the key strip 6, after the key strip 6 is inserted into the groove 23, the connecting shaft 3 in the front of the gap bridge shaft 1 penetrates through the shaft hole 7 of the gear 2, and the key strip 6 penetrates through the key groove 8, so that the screw hole 10 in the key strip 6 exceeds the front of the gear 2, and then a bolt is screwed into the screw hole 10 to block the gear 2, and the top of the bolt blocks the gear 2 to limit the gear 2;

a vertical rod 15 is fixed at the lower end of the key bar 6, a rubber pad 18 is fixed at the lower end of the key bar 6, the rubber pad 18 is tightly attached to the bottom of the groove 23, the vertical rod 15 and the rubber pad 18 are arranged in a penetrating mode, a thread groove 11 is formed in the front end of the connecting shaft 3, a screw head 4 is connected to the inner portion of the thread groove 11 in a threaded mode, a piston cavity 17 is formed in the bottom of the thread groove 11, the tail end of the vertical rod 15 penetrates into the piston cavity 17, when the key bar 6 is inserted into the groove 23, the tail end of the vertical rod 15 is inserted into the piston cavity 17, and the rubber pad 18 is tightly attached to the bottom of the groove 23 to increase the sealing performance between the key bar 6 and the groove 23;

the piston cavity 17 is internally provided with a first piston assembly which is positioned in front of the vertical rod 15 and is respectively connected with the vertical rod 15 and the screw head 4, the front end of the screw head 4 is provided with a hexagonal groove 5, the first piston assembly comprises a first piston rod 12, a first piston 13 and a limiting rod 14, the first piston 13 is slidably connected inside the piston cavity 17, the first piston rod 12 is fixed at one end of the first piston 13 close to the screw head 4, the tail end of the first piston rod 12 is fixed with the screw head 4, the limiting rod 14 is fixed at one end of the first piston 13 far away from the screw head 4, the lower part of the vertical rod 15 is provided with a limiting hole 16, the tail end of the limiting rod 14 is spliced with the limiting hole 16, the gear 2 is grabbed, then a hexagonal wrench is inserted into the hexagonal groove 5 to rotate the screw head 4, so that the screw head 4 is screwed into the threaded groove 11, and the screw head 4 can drive the first piston 13 and the limiting rod 14 to synchronously move backwards through the first piston rod 12, the limiting rod 14 can penetrate through the limiting hole 16 of the vertical rod 15 backwards, so that the limiting function of the key strip 6 can be achieved, and the stability of the key strip 6 installed in the groove 23 is improved;

the left end and the right end of the connecting shaft 3 are both provided with side grooves 22, the bottoms of the side grooves 22 are provided with communicating cavities 19 communicated with the piston cavities 17, the communicating cavities 19 are internally provided with piston assemblies II, the side grooves 22 are internally connected with rubber blocks 9 connected with the piston assemblies II in a sliding manner, the piston assemblies II comprise piston II 20 and piston rod II 21, the piston II 20 is connected in the communicating cavities 19 in a sliding manner, the piston rod II 21 is fixed between the piston II 20 and the rubber blocks 9, when the piston I13 moves backwards, air in the piston cavities 17 can be pushed, the air enters the communicating cavities 19, the piston II 20 in the communicating cavities 19 is pushed through the air, the piston II 20 can drive the rubber blocks 9 to be attached to the inner wall of the shaft hole 7 by utilizing the piston rod II 21, so that the flexibility of the rubber blocks 9 can be utilized while the friction force between the gear 2 and the connecting shaft 3 is increased, to reduce the vibration of the gear 2 to the carrier shaft 1 during the rotation process.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be appreciated by persons skilled in the art that the present invention is not limited by the embodiments described above. The foregoing embodiments and description of the invention have been provided for the purposes of illustrating the principles of the invention and is subject to various changes and modifications without departing from the spirit and scope of the invention. Such variations and modifications are intended to be within the scope of the claimed invention.

Claims

1. The utility model provides a matched stack structure of passing a bridge axle and gear, includes the axle of passing a bridge and can dismantle the gear of connection in its front, the gear middle part is equipped with the shaft hole, the shaft hole inner wall is equipped with the keyway, it is fixed with the connecting axle with the shaft hole joint to pass a bridge axle front end, its characterized in that:

2. A carrier shaft and gear assembly according to claim 1, wherein: the surface of the key bar is provided with a screw hole.

3. A carrier shaft and gear assembly according to claim 1, wherein: the lower end of the key bar is fixedly provided with a rubber pad, the rubber pad is tightly attached to the bottom of the groove, and the vertical rod is arranged in a penetrating manner with the rubber pad.

4. A carrier shaft and gear assembly according to claim 1, wherein: the front end of the screw head is provided with a hexagonal groove.

5. A carrier shaft and gear assembly according to claim 1, wherein: piston assembly one includes piston rod one, piston one and gag lever post, a piston sliding connection is inside the piston chamber, piston rod one is fixed in piston one and is close to the one end of spiral shell head, a piston rod end is fixed with the spiral shell head, the gag lever post is fixed in piston one and is kept away from the one end of spiral shell head, the montant lower part is opened there is spacing hole, the gag lever post is terminal to be pegged graft with spacing hole.

6. A carrier shaft and gear assembly according to claim 1, wherein: the second piston assembly comprises a second piston and a second piston rod, the second piston is connected inside the communicating cavity in a sliding mode, and the second piston rod is fixed between the second piston and the rubber block.