CN217006381U - Wear test device of automobile steering device - Google Patents
Wear test device of automobile steering device Download PDFInfo
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- CN217006381U CN217006381U CN202220465080.8U CN202220465080U CN217006381U CN 217006381 U CN217006381 U CN 217006381U CN 202220465080 U CN202220465080 U CN 202220465080U CN 217006381 U CN217006381 U CN 217006381U
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Abstract
The utility model discloses a wear test device of an automobile steering gear, which comprises a test workbench, wherein a first motor is fixed on the test workbench, an output shaft of the first motor is connected with a pinion, the pinion is connected with a rack, a transverse pull rod is fixed on the rack, two limiting slide seats are arranged on two sides of the surface of the test workbench, and two guide through holes are formed in the two limiting slide seats.
Description
Technical Field
The utility model relates to the field of automobile steering gears, in particular to an abrasion test device of an automobile steering gear.
Background
The rack and pinion steering gear is one kind of automobile steering gear, generally includes pinion and rack, drives the pinion rotation through the steering spindle, drives the rack and makes rectilinear motion, pulls the tie rod, realizes the directive wheel and turns to.
The gear and the rack are key parts of the gear and rack steering gear, in the prior art, when the gear and the rack are subjected to an abrasion test, the gear and the rack are meshed, the rack is driven to slide by rotating the gear, and the abrasion resistance of the gear and the rack is observed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a wear test device of an automobile steering gear, aiming at overcoming the defects in the prior art.
The utility model provides the following technical scheme: a wear test device of an automobile steering device comprises a test workbench, wherein a first motor is fixed on the test workbench, an output shaft of the first motor is connected with a pinion, the pinion is connected with a rack, a tie rod is fixed on the rack, two limiting sliding seats are arranged on two sides of the surface of the test workbench, two guide through holes are formed in the two limiting sliding seats, and two ends of the tie rod are inserted into the two guide through holes respectively;
a groove is formed in the limiting sliding seat, a sliding table is arranged in the groove in a sliding manner, a push block is arranged at the lower end of the groove in a sliding manner, the side face of the push block is tightly abutted against the end part of the transverse pull rod, one end of the push block is rotatably connected with a push rod, and the other end of the push rod is rotatably connected with the sliding table;
and a balancing weight is placed on the surface of the sliding table.
Preferably, the surface of the test workbench is provided with two sliding grooves, and the two limiting sliding seats are respectively in sliding connection with the two sliding grooves.
Preferably, the test bench rotates and is equipped with two-way threaded rod, the both ends of two-way threaded rod rotate with two spacing slides respectively and are connected, the test bench is fixed with the second motor, the output shaft of second motor and the one end fixed connection of two-way threaded rod.
Preferably, the lower end of the groove is provided with a limiting groove, and the pushing block is connected with the limiting groove in a sliding mode.
Compared with the prior art, the utility model has the beneficial effects that:
1. when the detection is carried out, the transverse pull rod pushes the push block when transversely sliding, and the counter weight block on the sliding table has a horizontal reaction force on the transverse pull rod through the push rod and the push block, so that the resistance force applied when the transverse pull rod moves is increased, the resistance force between the pinion and the rack is increased, and the environment of the gear-rack steering gear during actual working is simulated;
2. the counterweight block is arranged on the surface of the sliding table, and the resistance of the tie rod during sliding can be conveniently adjusted by adjusting the weight of the counterweight block;
3. when the test bench is used, an external power supply of a second motor is switched on, the second motor drives the two-way threaded rod to rotate, and the two limiting sliding seats are driven to mutually approach or separate when the two-way threaded rod rotates, so that the transverse pull rod is convenient to mount and dismount.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention.
In the figure: 1 test bench, 2 spacing slides, 3 two-way threaded rod, 4 first motors, 5 spouts, 6 second motors, 7 balancing weights, 8 slip tables, 9 recesses, 10 spacing grooves, 11 racks, 12 pinions, 13 drag link, 14 stop ejector pad, 15 push rods, 16 direction through-holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a wear test device of an automobile steering device comprises a test workbench 1, wherein a first motor 4 is fixed on the test workbench 1, an output shaft of the first motor 4 is connected with a pinion 12, the pinion 12 is connected with a rack 11, the rack 11 is fixed with a tie rod 13, two limiting sliding seats 2 are installed on two sides of the surface of the test workbench 1, two guide through holes 16 are formed in the two limiting sliding seats 2, and two ends of the tie rod 13 are respectively inserted into the two guide through holes 16;
in the utility model, the two limiting sliders 2 and the guide through hole 16 are arranged, so that the transverse pull rod 13 is limited conveniently, and the guide through hole 16 plays a role of sliding guide for the sliding of the transverse pull rod 13.
A groove 9 is formed in the limiting sliding seat 2, a sliding table 8 is arranged in the groove 9 in a sliding manner, a pushing block 14 is arranged at the lower end of the groove 9 in a sliding manner, the side face of the pushing block 14 is tightly abutted against the end part of the transverse pull rod 13, one end of the pushing block 14 is rotatably connected with a push rod 15, and the other end of the push rod 15 is rotatably connected with the sliding table 8;
balancing weight 7 has been placed on the surface of slip table 8, and balancing weight 7 is placed on the surface of slip table 8, through the weight of adjusting balancing weight 7, conveniently adjusts the resistance that receives when drag link 13 slides.
When detecting, pinion 12 is driven to rotate by first motor 4, pinion 12 drives rack 11 and tie rod 13 to slide, and push when tie rod 13 slides and hinder ejector pad 14 horizontal slip, hinder ejector pad 14 and upwards promote slip table 8 through push rod 15, and balancing weight 7 on the slip table 8 has a horizontal direction's reaction force to tie rod 13 through push rod 15 and hinder ejector pad 14, increases the resistance that receives when tie rod 13 moves to increase the resistance between pinion 12 and the rack 11.
As a technical optimization scheme of the utility model, the surface of the test workbench 1 is provided with two sliding grooves 5, the two limiting sliding seats 2 are respectively in sliding connection with the two sliding grooves 5, the limiting sliding seats 2 are in sliding connection with the test workbench 1, the end parts of the cross pull rods 13 are inserted into the guide through holes 16 in a sliding mode through the sliding limiting sliding seats 2, the cross pull rods 13 are limited conveniently, and when the cross pull rods 13 are disassembled, the limiting sliding seats 2 are slid outwards, so that the two ends of the cross pull rods 13 are separated from the guide through holes 16 of the two limiting sliding seats 2.
As a technical optimization scheme of the utility model, a test workbench 1 is rotatably provided with a bidirectional threaded rod 3, two ends of the bidirectional threaded rod 3 are respectively rotatably connected with two limiting sliding seats 2, a second motor 6 is fixed on the test workbench 1, an output shaft of the second motor 6 is fixedly connected with one end of the bidirectional threaded rod 3, when the test workbench is used, an external power supply of the second motor 6 is switched on, the second motor 6 drives the bidirectional threaded rod 3 to rotate, and the two limiting sliding seats 2 are driven to be close to or far away from each other when the bidirectional threaded rod 3 rotates, so that the operation is convenient, and the installation and the disassembly of a transverse pull rod 13 are convenient.
As a technical optimization scheme of the utility model, the lower end of the groove 9 is provided with a limiting groove 10, and the push-resisting block 14 is connected with the limiting groove 10 in a sliding manner.
The working principle is as follows: during detection, the first motor 4 drives the pinion 12 to rotate, the pinion 12 drives the rack 11 and the tie rod 13 to slide, the tie rod 13 pushes the pushing block 14 to slide horizontally when sliding, the pushing block 14 pushes the sliding table 8 upwards through the push rod 15, the counterweight 7 on the sliding table 8 has a horizontal reaction force on the tie rod 13 through the push rod 15 and the pushing block 14, and resistance force applied when the tie rod 13 moves is increased, so that resistance force between the pinion 12 and the rack 11 is increased, the counterweight 7 is placed on the surface of the sliding table 8, and the resistance force applied when the tie rod 13 slides is conveniently adjusted by adjusting the weight of the counterweight 7.
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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a wear test device of auto steering ware, includes test bench (1), be fixed with first motor (4) on test bench (1), the output shaft of first motor (4) has pinion (12), pinion (12) are connected with rack (11), rack (11) are fixed with tie rod (13), its characterized in that:
two limiting sliding seats (2) are mounted on two sides of the surface of the test workbench (1), two guide through holes (16) are formed in the two limiting sliding seats (2), and two ends of the tie rod (13) are inserted into the two guide through holes (16) respectively;
a groove (9) is formed in the limiting sliding seat (2), a sliding table (8) is arranged in the groove (9) in a sliding manner, a push-resisting block (14) is arranged at the lower end of the groove (9) in a sliding manner, the side face of the push-resisting block (14) is tightly abutted to the end portion of the cross pull rod (13), one end of the push-resisting block (14) is rotatably connected with a push rod (15), and the other end of the push rod (15) is rotatably connected with the sliding table (8);
and a balancing weight (7) is placed on the surface of the sliding table (8).
2. The wear test device for the steering gear of the automobile according to claim 1, characterized in that: the surface of test bench (1) is equipped with two spout (5), two spacing slide (2) respectively with two spout (5) sliding connection.
3. The wear test device for the steering gear of the automobile according to claim 2, characterized in that: test bench (1) rotates and is equipped with two-way threaded rod (3), the both ends of two-way threaded rod (3) rotate with two spacing slides (2) respectively and are connected, test bench (1) is fixed with second motor (6), the output shaft of second motor (6) and the one end fixed connection of two-way threaded rod (3).
4. The wear test device for the steering gear of the automobile according to claim 1, characterized in that: the lower end of the groove (9) is provided with a limiting groove (10), and the pushing block (14) is connected with the limiting groove (10) in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220465080.8U CN217006381U (en) | 2022-03-04 | 2022-03-04 | Wear test device of automobile steering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220465080.8U CN217006381U (en) | 2022-03-04 | 2022-03-04 | Wear test device of automobile steering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217006381U true CN217006381U (en) | 2022-07-19 |
Family
ID=82395905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220465080.8U Active CN217006381U (en) | 2022-03-04 | 2022-03-04 | Wear test device of automobile steering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217006381U (en) |
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2022
- 2022-03-04 CN CN202220465080.8U patent/CN217006381U/en active Active
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