CN213929359U

CN213929359U - Wear-resistant gear for mechanical transmission

Info

Publication number: CN213929359U
Application number: CN202022580298.1U
Authority: CN
Inventors: 颜坚伟
Original assignee: Jiangsu Jutai Gear Manufacturing Co ltd
Current assignee: Jiangsu Jutai Gear Manufacturing Co ltd
Priority date: 2020-11-10
Filing date: 2020-11-10
Publication date: 2021-08-10
Anticipated expiration: 2030-11-10

Abstract

The utility model discloses a stand wear and tear gear for mechanical transmission, including pivot, fixture and gear body, fixed mounting has two fixtures in the pivot, and equal threaded mounting has two fixation nut on two fixtures, and four fixation nut's screw thread end all pass the fixture that the phase-match set up and with pivot threaded connection, common centre gripping is fixed with the gear body between two fixtures, and two stock nuts are installed to the last screw thread of one of them fixture, the utility model discloses the beneficial effect who reaches is: through the fixed connection between fixture and the pivot, can firmly cup joint the gear body in the pivot, the outer wall and the second of pivot are worn a mouthful inner wall contactless this moment, can guarantee then contactless between pivot and the gear body, when the pivot rotation is followed to the gear, can prevent to cause the wearing and tearing that gear body and pivot contact surface produced, have effectively improved the stand wear and tear performance of gear body, have improved the life of gear greatly.

Description

Wear-resistant gear for mechanical transmission

Technical Field

The utility model relates to a gear, in particular to stand wear and tear gear for mechanical transmission belongs to mechanical transmission technical field.

Background

Mechanical transmission is widely applied in mechanical engineering, and mainly refers to transmission for transmitting power and motion in a mechanical mode, and is divided into two types, namely friction transmission for transmitting power by means of friction force between machine parts, meshing transmission for transmitting power or motion by means of meshing of a driving part and a driven part or by means of an intermediate part, particularly a meshing transmission mode, wherein the driven gear is driven to rotate by means of meshing connection between gears, the gears can effectively rotate only by being installed on a rotating shaft, and the rotating shaft and the connecting end face of the gears are abraded in the rotating process of the gears, so that the gears are easily damaged.

Traditional stand wear and tear gear for mechanical transmission is in actual use, and the contact of pivot outer wall and gear inner wall easily causes the outer wall of gear inner circle wall and pivot to produce wearing and tearing when the pivot drives gear revolve, and the low unable gear of guaranteeing of wear resistance uses for a long time, greatly reduced its life, to this, need design one kind and be used for mechanical transmission stand wear and tear gear.

SUMMERY OF THE UTILITY MODEL

The utility model provides a stand wear and tear gear for mechanical transmission, the effectual pivot outer wall and the gear inner wall contact that exists among the prior art of having solved, when the pivot drives gear revolve, easily cause the outer wall of gear inner circle wall and pivot to produce wearing and tearing, and wear resistance is low can't guarantee that the gear uses for a long time, has reduced its life's problem.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a stand wear and tear gear for mechanical transmission, including pivot, fixture and gear body, fixed mounting has two fixture in the pivot, and two fixture is the symmetry setting, two equal threaded mounting has two fixation nut, four on the fixture the screw thread end of fixation nut all passes the fixture that the phase-match set up and with pivot threaded connection, two common centre gripping is fixed with the gear body between the fixture, one of them two stock nuts, two are installed to the last screw thread of fixture the screw thread end of stock nut all passes the gear body and rotates rather than being connected, two the screw thread end of stock nut all with another fixture threaded connection.

As a preferred technical scheme of the utility model, the symmetry is excavated on the gear body has two circular clamping groove, two fixture all imbeds in the circular clamping groove that the phase-match set up and is connected rather than the block, the second that runs through two circular clamping groove of excavation has on the gear body wears the mouth, the pivot passes the second and wears the mouth and the outer wall of pivot and the inner wall contactless of second wearing mouth.

As a preferred technical scheme of the utility model, it has two circular sockets, two to cut on the gear body circular sockets all runs through two circular draw-in grooves, two the stock nut all passes the circular socket of wearing that the phase-match set up and is connected rather than rotating.

As a preferred technical scheme of the utility model, two fixture all includes a first circle body, and two the equal block of first circle body is installed in the circular draw-in groove that the phase-match set up, two the equal fixed mounting of one end that just keeps away from the gear body on the first circle body has a second circle body, two all dig on the second circle body and have two screw through-holes, one of them dig on the first circle body and have two recesses, another dig on the first circle body and have two second thread grooves, two all dig jointly on the second circle body that first circle body and phase-match set up has a first mouth of wearing, the pivot passes first mouth of wearing and is connected rather than rotating.

As a preferred technical scheme of the utility model, two the threaded end of stock nut all passes the recess that corresponds the setting and inserts the second thread groove of phase-match setting in rather than threaded connection, two the nut end of stock nut all is located the recess that the phase-match set up.

As a preferred technical scheme of the utility model, it has four first thread grooves, four to excavate in the pivot the screw thread end of fixation nut all passes the screw through-hole that corresponds the setting and with the first thread groove threaded connection that the phase-match set up, four fixation nut all sets up with the phase-match screw through-hole threaded connection.

The utility model discloses the beneficial effect who reaches is: this gear is provided with pivot and fixture, through the fixed connection between fixture and the pivot, can firmly cup joint the gear body in the pivot, the outer wall and the second of pivot wear a mouthful inner wall contactless this moment, then can guarantee contactless between pivot and the gear body, when the pivot rotation is followed to the gear, can prevent to cause the wearing and tearing that gear body and pivot contact surface produced, the stand wear and tear performance of gear body has effectively been improved, if when producing wearing and tearing between fixture and the pivot, can replace new fixture, need not to change the gear body, the life of gear has been improved greatly.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a side view of the gear body of the present invention;

FIG. 3 is a schematic structural view of the clamping mechanism of the present invention;

FIG. 4 is a schematic view of the connection of two clamping mechanisms of the present invention;

fig. 5 is a schematic view of the structure of the rotating shaft of the present invention.

In the figure: 1. a rotating shaft; 11. a first thread groove; 2. a clamping mechanism; 21. a first ring body; 22. a second ring body; 23. a long rod nut; 24. a threaded through hole; 25. a first through opening; 26. a groove; 27. a second thread groove; 3. a gear body; 31. a circular slot; 32. a second through opening; 33. a circular insertion hole; 4. and (5) fixing the nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b): as shown in figures 1-5, the utility model relates to a wear-resistant gear for mechanical transmission, which comprises a rotating shaft 1, two clamping mechanisms 2 and a gear body 3, wherein two clamping mechanisms 2 are fixedly arranged on the rotating shaft 1, the two clamping mechanisms 2 are symmetrically arranged, two fixing nuts 4 are respectively arranged on the two clamping mechanisms 2 in a threaded manner, the threaded ends of the four fixing nuts 4 pass through the clamping mechanisms 2 which are arranged in a matching manner and are in threaded connection with the rotating shaft 1, the gear body 3 is clamped and fixed between the two clamping mechanisms 2, two long rod nuts 23 are arranged on one clamping mechanism 2 in a threaded manner, the threaded ends of the two long rod nuts 23 pass through the gear body 3 and are in rotary connection with the gear body, the threaded ends of the two long rod nuts 23 are in threaded connection with the other clamping mechanism 2, the gear body 3 can be firmly sleeved on the rotating shaft 1 through the fixed connection between the clamping mechanisms 2 and the rotating shaft 1, the outer wall of pivot 1 and the second of this moment wear mouthful 32 inner wall contactless, then can guarantee contactless between pivot 1 and the gear body 3, when gear body 3 rotates along with pivot 1, can prevent to cause the wearing and tearing that gear body 3 and pivot 1 contact surface produced, the stand wear and tear performance of gear body 3 has effectively been improved, if produce when wearing and tearing between fixture 2 and the pivot 1, can replace new fixture 2, need not to change gear body 3, the life of gear has been improved greatly.

The two clamping mechanisms 2 respectively comprise a first ring body 21, the two first ring bodies 21 are clamped and installed in circular clamping grooves 31 which are arranged in a matched mode, one ends, far away from the gear body 3, of the two first ring bodies 21 are fixedly installed with a second ring body 22, two threaded through holes 24 are formed in the two second ring bodies 22, two grooves 26 are formed in one first ring body 21, two second threaded grooves 27 are formed in the other first ring body 21, a first penetrating opening 25 is formed in the two first ring bodies 21 and the second ring body 22 which are arranged in a matched mode, the rotating shaft 1 penetrates through the first penetrating opening 25 and is connected with the rotating shaft in a rotating mode, the rotating shaft 1 is ensured to penetrate through the gear body 3 and the two clamping mechanisms 2, then the gear body 3 and the two clamping mechanisms 2 are assembled and sleeved on the rotating shaft 1, four first threaded grooves 11 are formed in the rotating shaft 1, the threaded ends of the four fixing nuts 4 penetrate through the correspondingly arranged threaded through holes 24 and are in threaded connection with the first thread grooves 11 which are arranged in a matched manner, the four fixing nuts 4 are in threaded connection with the correspondingly arranged threaded through holes 24, the rotating shaft 1 and the second ring body 22 can be firmly and threadedly connected into a whole through the fixing nuts 4, the two clamping mechanisms 2 can be ensured to rotate along with the rotating shaft 1, then the gear body 3 is driven to rotate, two circular clamping grooves 31 are symmetrically drilled on the gear body 3, the two clamping mechanisms 2 are embedded into and clamped and connected with the circular clamping grooves 31 which are arranged in a matched manner, second penetrating openings 32 which penetrate through the two circular clamping grooves 31 are drilled on the gear body 3, the rotating shaft 1 penetrates through the second penetrating openings 32, the outer wall of the rotating shaft 1 is not contacted with the inner wall of the second penetrating openings 32, and the first ring body 21 is connected with the circular clamping grooves 31 in a clamped manner, ensure that

fixture

2 and 3 accurate butt joints of gear body are as an organic whole, it has two circular sockets 33 to cut on the gear body 3, two circular sockets 33 all run through two circular draw-in grooves 31, two stock nuts 23 all pass the circular socket 33 that wears that the phase-match set up and rotate rather than and be connected, stock nut 23 passes circular socket 33 that wears, can carry on spacingly to gear body 3, ensure that the firm centre gripping of gear body 3 is fixed between two fixture 2, the screw thread end of two stock nuts 23 all passes and corresponds recess 26 that sets up and insert in the second thread groove 27 that the phase-match set up rather than threaded connection, the nut end of two stock nuts 23 all is located the recess 26 that the phase-match set up, threaded connection between stock nut 23 and the second thread groove 27 through, can let two fixture 2 carry out firm centre gripping to gear body 3.

Specifically, when the utility model is used, firstly, the clamping mechanism 2 and the gear body 3 are precisely butted into a whole through the clamping connection between the first ring body 21 and the circular clamping groove 31, the long rod nut 23 is inserted from the groove 26 and is connected with the second thread groove 27 through the circular inserting hole 33, then the gear body 3 is firmly clamped by the two clamping mechanisms 2, the connection firmness between the gear body 3 and the two clamping mechanisms 2 is improved, then the rotating shaft 1 is inserted into the first inserting hole 25, the gear body 3 and the clamping mechanism 2 can be sleeved on the rotating shaft 1, the fixing nut 4 is inserted from the thread through hole 24, the thread end of the fixing nut is connected with the first thread groove 11 through the thread, the second ring body 22 can be limited, the firm thread of the second ring body 22 is ensured to be fixed on the rotating shaft 1, then the two clamping mechanisms 2 are firmly sleeved on the rotating shaft 1, when the rotating shaft 1 rotates, the two clamping mechanisms 2 can be driven to rotate, and then the gear body 3 rotates along with the rotating shaft 1, so that the gear body 3 can play a role in mechanical transmission, compared with the traditional gear, the gear is provided with the clamping mechanisms 2, and through the fixed connection between the clamping mechanisms 2 and the rotating shaft 1, the gear body 3 can be firmly sleeved on the rotating shaft 1, the outer wall of the rotating shaft 1 is not contacted with the inner wall of the second penetration opening 32, so that the non-contact between the rotating shaft 1 and the gear body 3 can be ensured, when the gear body 3 rotates along with the rotating shaft 1, the abrasion of the contact surface between the gear body 3 and the rotating shaft 1 can be prevented, the abrasion resistance of the gear body 3 is effectively improved, if the abrasion is generated between the clamping mechanism 2 and the rotating shaft 1, the novel clamping mechanism 2 can be replaced, the gear body 3 does not need to be replaced, and the service life of the gear is greatly prolonged.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A stand wear and tear gear for mechanical transmission, includes pivot (1), fixture (2) and gear body (3), its characterized in that: fixed mounting has two fixture (2) on pivot (1), and two fixture (2) are the symmetry and set up, two equal threaded mounting has two fixation nut (4), four on fixture (2) the screw thread end of fixation nut (4) all passes fixture (2) that the phase-match set up and with pivot (1) threaded connection, two common centre gripping is fixed with gear body (3), one of them between fixture (2) two stock nut (23), two are installed to the screw thread on fixture (2) the screw thread end of stock nut (23) all passes gear body (3) and rotates rather than being connected, two the screw thread end of stock nut (23) all with another fixture (2) threaded connection.

2. The wear-resistant gear for mechanical transmission is characterized in that two circular clamping grooves (31) are symmetrically formed in the gear body (3), the two clamping mechanisms (2) are embedded into the circular clamping grooves (31) which are arranged in a matched mode and are connected with the circular clamping grooves in a clamping mode, a second penetrating opening (32) penetrating through the two circular clamping grooves (31) is formed in the gear body (3), the rotating shaft (1) penetrates through the second penetrating opening (32), and the outer wall of the rotating shaft (1) is not in contact with the inner wall of the second penetrating opening (32).

3. A wear-resistant gear for mechanical transmission according to claim 1, characterized in that the gear body (3) is provided with two circular insertion holes (33), the two circular insertion holes (33) extend through two circular slots (31), and the two long rod nuts (23) extend through the circular insertion holes (33) and are rotatably connected with the circular insertion holes.

4. A wear-resistant gear for mechanical transmissions, as claimed in claim 1, characterized in that both said gripping means (2) comprise a first ring body (21), the two first ring bodies (21) are clamped and installed in circular clamping grooves (31) which are matched with each other, one ends of the two first ring bodies (21) far away from the gear body (3) are fixedly provided with a second ring body (22), the two second ring bodies (22) are provided with two threaded through holes (24), wherein two grooves (26) are drilled on one first ring body (21), two second thread grooves (27) are drilled on the other first ring body (21), a first through hole (25) is drilled on the two first ring bodies (21) and the second ring body (22) which is matched with the first ring bodies, the rotating shaft (1) penetrates through the first penetrating opening (25) and is connected with the first penetrating opening in a rotating mode.

5. A wear-resistant gear for mechanical transmission according to claim 1, characterized in that the threaded ends of both long-rod nuts (23) are inserted through correspondingly arranged grooves (26) and into second matching thread grooves (27) to be in threaded connection therewith, and the nut ends of both long-rod nuts (23) are located in the matching grooves (26).

6. A wear-resistant gear for mechanical transmission as claimed in claim 1, wherein the shaft (1) is provided with four first thread grooves (11), the threaded ends of the four fixing nuts (4) are respectively passed through the correspondingly arranged threaded through holes (24) and are in threaded connection with the correspondingly arranged first thread grooves (11), and the four fixing nuts (4) are respectively in threaded connection with the correspondingly arranged threaded through holes (24).