Steering engine

Abstract

The utility model discloses a steering machine, which comprises a force input shaft, a main shaft, a first gear arranged at the end part of the force input shaft, an end seat arranged on the force input shaft, a second gear arranged on the main shaft and meshed with the first gear, a first bearing seat arranged at one end of the main shaft, and a second bearing seat arranged at the other end of the main shaft, the first gear is arranged on one side of the first bearing seat, the second gear is arranged on one side of the second bearing seat, a shell is arranged between the first bearing seat and the second bearing seat, a plurality of hexagon socket cap screws are arranged on the second bearing seat in the circumferential direction in an array mode, and the second bearing seat and the first bearing seat are connected with the shell through the hexagon socket cap screws; the first bearing seat is connected with the main shaft through a first conical rotor bearing, the second gear is connected with the second bearing seat through a second conical rotor bearing, the second conical rotor bearing is installed on the main shaft, and the first gear and the second gear are both arranged in the shell. The utility model has the beneficial effects that the gear meshing is adjusted through the threads on the hexagon socket cap screws, the back clearance is eliminated, and the use effect is good.

Description

Technical Field

[0001] The utility model relates to the technical field of steering gears, in particular to a steering gear. Background Art

[0002] The steering gear is a mechanical device with a power source that can randomly change the route and direction of a manned or unmanned vehicle during operation. The steering gear is also called a steering machine or a steering gear. It is the most important component in the steering system. Its function is to increase the force transmitted from the steering wheel to the steering transmission mechanism and change the direction of force transmission. The existing steering gear mainly eliminates the backlash by using a contoured gap sheet, which is inconvenient to operate and has poor use effect, and cannot meet people's needs for long-term use.

[0003] In view of the above situation, it is necessary to improve the existing steering gear structure so that it can adapt to the current need for steering gear backlash elimination. Utility Model Content

[0004] To achieve the above-mentioned purpose, the technical solution of the utility model is a steering gear, including an input shaft, a main shaft, a first gear arranged at the end of the input shaft, an end seat arranged on the input shaft, a second gear arranged on the main shaft and meshing with the first gear, a first bearing seat arranged at one end of the main shaft, and a second bearing seat arranged at the other end of the main shaft, the second gear is arranged on one side of the second bearing seat, a shell is arranged between the first bearing seat and the second bearing seat, a plurality of hexagon socket head screws are arranged in an array in a circumferential direction on the second bearing seat, the second bearing seat and the first bearing seat are connected to the shell through the hexagon socket head screws, the first bearing seat is connected to the main shaft through the first conical rotor bearing, the second gear is connected to the second bearing seat through the second conical rotor bearing and the second conical rotor bearing is installed on the main shaft, and the first gear and the second gear are both arranged in the shell.

[0005] As a further supplement to the technical solution, a baffle is provided at the upper end of the input shaft and located on one side of the first gear, and the baffle is fixedly mounted on the input shaft.

[0006] As a further supplement to the technical solution, the outer side of the end seat is connected and sealed to the input shaft via a first skeleton oil seal.

[0007] As a further supplement to the technical solution, a first pressure plate is provided on the first bearing seat and located outside the first conical rotor bearing, and the first pressure plate is installed on the first bearing seat.

[0008] As a further supplement to the technical solution, a second skeleton oil seal connection seal is provided between the first pressure plate and the main shaft.

[0009] As a further supplement to the technical solution, a second pressure plate is provided on the second bearing seat and located outside the second conical rotor bearing, and the second pressure plate is installed on the second bearing seat.

[0010] As a further supplement to the technical solution, the second pressure plate and the main shaft are connected and sealed via a third skeleton oil seal.

[0011] The beneficial effect lies in that the gear meshing is adjusted by the thread on the hexagon socket head screw, the backlash is eliminated, the operation is convenient, and the use effect is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the overall structure of the utility model from a first angle;

[0013] Figure 2 This is a second angle overall structural diagram of the utility model;

[0014] Figure 3 This is a schematic diagram of the first angle structure of the utility model when the housing is not installed;

[0015] Figure 4 This is a second angle structural schematic diagram of the utility model when the housing is not installed;

[0016] In the figure, 1, input shaft; 2, main shaft; 3, first gear; 4, end seat; 5, second gear; 6, first bearing seat; 7, second bearing seat; 8, housing; 9, hexagon socket head screw; 10, first conical rotor bearing; 11, second conical rotor bearing; 12, baffle; 13, first skeleton oil seal; 14, first pressure plate; 15, second skeleton oil seal; 16, second pressure plate; 17, third skeleton oil seal. DETAILED DESCRIPTION

[0017] In order to make the technical solution more clear to those skilled in the art, Figure 1-4 The technical solution of the utility model is described in detail:

[0018] A steering gear comprises an input shaft 1, a main shaft 2, a first gear 3 arranged at the end of the input shaft 1, an end seat 4 arranged on the input shaft 1, a second gear 5 arranged on the main shaft 2 and meshingly connected with the first gear 3, a first bearing seat 6 arranged at one end of the main shaft 2, and a second bearing seat 7 arranged at the other end of the main shaft 2, wherein the second gear 5 is arranged on one side of the second bearing seat 7, a housing 8 is arranged between the first bearing seat 6 and the second bearing seat 7, a plurality of hexagon socket head screws 9 are arranged in an array in a circumferential direction on the second bearing seat 7, the second bearing seat 7 and the first bearing seat 6 are connected to the housing 8 through the hexagon socket head screws 9, the first bearing seat 6 is connected to the main shaft 2 through a first conical rotor bearing 10, and the The second gear 5 is connected to the second bearing seat 7 through the second conical rotor bearing 11, and the second conical rotor bearing 11 is installed on the main shaft 2. The first gear 3 and the second gear 5 are both arranged in the housing 8. When working, firstly fix the first bearing seat 6 and the housing 8 on one side of the main shaft 2, and then manually control the meshing clearance between the first gear 3 and the second gear 5. When the clearance is large, adjust the hexagon socket head screw 9 on the second bearing seat 7, and adjust the installation depth with the housing 8 through the thread thereon, so that the second gear 5 connected with the second bearing seat 7 is moved on the main shaft 2, thereby adjusting the clearance between the first gear 3 and the second gear 5 until it meets the use requirements, saving costs, high efficiency and good use effect.

[0019] In order to better limit the position of the first gear 3 , a baffle 12 is further provided at the upper end of the input shaft 1 and located on one side of the first gear 3 , and the baffle 12 is fixedly mounted on the input shaft 1 .

[0020] Among them, the outer side of the end seat 4 is connected and sealed to the input shaft 1 through the first skeleton oil seal 13; a second skeleton oil seal 15 is provided between the first pressure plate 14 and the main shaft 2 for connection and sealing; the second pressure plate 16 and the main shaft 2 are connected and sealed through the third skeleton oil seal 17.

[0021] Among them, a first pressure plate 14 is also provided on the first bearing seat 6 and located outside the first conical rotor bearing 10, and the first pressure plate 14 is installed on the first bearing seat 6; wherein, a second pressure plate 16 is provided on the second bearing seat 7 and located outside the second conical rotor bearing 11, and the second pressure plate 16 is installed on the second bearing seat 7; the first pressure plate 14 and the second pressure plate 16 can play a role in limiting the conical rotor bearing.

[0022] The above technical solutions only reflect the preferred technical solutions of the technical solutions of the utility model. Some changes that may be made to certain parts thereof by technicians in this technical field all reflect the principles of the utility model and fall within the protection scope of the utility model.

Claims

1. A steering machine, characterized in that: The invention comprises an input shaft (1), a main shaft (2), a first gear (3) arranged at the end of the input shaft (1), an end seat (4) arranged on the input shaft (1), a second gear (5) arranged on the main shaft (2) and meshingly connected with the first gear (3), a first bearing seat (6) arranged at one end of the main shaft (2), and a second bearing seat (7) arranged at the other end of the main shaft (2), wherein the second gear (5) is arranged on one side of the second bearing seat (7), a housing (8) is arranged between the first bearing seat (6) and the second bearing seat (7), and the second bearing seat ( 7) A plurality of hexagon socket head screws (9) are arranged in an array in the circumferential direction; the second bearing seat (7) and the first bearing seat (6) are connected to the housing (8) through the hexagon socket head screws (9); the first bearing seat (6) and the main shaft (2) are connected through the first conical rotor bearing (10); the second gear (5) and the second bearing seat (7) are connected through the second conical rotor bearing (11) and the second conical rotor bearing (11) is installed on the main shaft (2); the first gear (3) and the second gear (5) are both arranged in the housing (8).

2. A steering machine according to claim 1, characterized in that: A baffle (12) is also provided at the upper end of the input shaft (1) and located on one side of the first gear (3); the baffle (12) is fixedly mounted on the input shaft (1).

3. A steering machine according to claim 2, characterized in that: The outer side of the end seat (4) is connected and sealed to the input shaft (1) via a first skeleton oil seal (13).

4. A steering machine according to claim 1, characterized in that: A first pressure plate (14) is also provided on the first bearing seat (6) and located outside the first conical rotor bearing (10). The first pressure plate (14) is mounted on the first bearing seat (6).

5. A steering machine according to claim 4, characterized in that: A second skeleton oil seal (15) is provided between the first pressing plate (14) and the main shaft (2) for connection and sealing.

6. A steering machine according to claim 1, characterized in that: A second pressure plate (16) is provided on the second bearing seat (7) and is located outside the second conical rotor bearing (11). The second pressure plate (16) is mounted on the second bearing seat (7).

7. A steering machine according to claim 6, characterized in that: The second pressing plate (16) and the main shaft (2) are connected and sealed via a third skeleton oil seal (17).

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