CN211039572U - Hydraulic rack steering system - Google Patents
Hydraulic rack steering system Download PDFInfo
- Publication number
- CN211039572U CN211039572U CN201921917331.6U CN201921917331U CN211039572U CN 211039572 U CN211039572 U CN 211039572U CN 201921917331 U CN201921917331 U CN 201921917331U CN 211039572 U CN211039572 U CN 211039572U
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- wheel
- rack
- steering system
- hydraulic
- gear
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Abstract
The utility model discloses a hydraulic rack steering system, which comprises a left wheel and a right wheel, wherein the left wheel and the right wheel are arranged on a base bracket in a bilateral symmetry way, a hydraulic cylinder is arranged on the base bracket, the output ends at two sides of the hydraulic cylinder are both provided with racks, the left wheel and the right wheel are arranged on the base bracket through the rotation of the wheel bracket, a gear is arranged on the wheel bracket, the wheel bracket and the gear bracket are fixed through a key groove, and the gear is meshed with the racks, the utility model relates to a hydraulic rack steering system, which achieves the driving steering of the hydraulic rack by arranging the racks, the gears, a guide wheel and the like, has good steering effect and good bearing capacity, solves the problems that in the current mechanical steering system, the bearing capacity of a motor output shaft is larger, the motor output shaft is easy to break and the driving steering is unstable, poor bearing capacity.
Description
Technical Field
The utility model relates to a steering system technical field specifically is a hydraulic rack steering system.
Background
Hydraulic pressure is a term of mechanical industry and electromechanical industry, and can be used in a power transmission mode to form hydraulic transmission, and hydraulic pressure can also be used as a control mode to be called hydraulic control.
In the current mechanical steering system, a roller is driven to steer by a motor, and when the motor steers, the bearing capacity of a motor output shaft is large, the motor output shaft is easy to break, the transmission steering is unstable, and the bearing capacity is poor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a hydraulic rack steering system to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a hydraulic rack steering system, includes left wheel and right wheel, left wheel and right wheel bilateral symmetry set up on the base support, be provided with the pneumatic cylinder on the base support, the both sides output of pneumatic cylinder all is provided with the rack, the left wheel passes through wheel rotate bracket with the right wheel and installs on the base support, be provided with the gear on the wheel support, it is fixed that the keyway is passed through with the gear support to the wheel support, the gear meshes with the rack mutually.
Preferably, the output end of the hydraulic cylinder is provided with a piston rod, the other end of the piston rod is connected with an adjusting screw rod through a connecting sleeve, and the adjusting screw rod is connected with the rack through a locking nut and a tightening nut.
Preferably, the wheel support and the base support are rotatably mounted through a first bearing and a second bearing, a supporting leg ring is arranged at the upper end of the base support and sleeved on the base support, a flat pad is arranged between the supporting leg ring and the first bearing, and a round nut is arranged on the supporting leg ring.
Preferably, the front side of the rack is provided with a guide wheel, the guide wheel is rotatably installed on the base support through a guide wheel pin shaft, and a self-lubricating bearing is arranged between the guide wheel and the guide wheel pin shaft.
Preferably, the rear transmission tooth part of the rack is meshed with the gear, and the front side of the rack is contacted with the outer side wall of the guide wheel.
Preferably, the bottom of the guide wheel pin shaft is provided with a flat pad, and the flat pad is arranged on the guide wheel pin shaft through a clamp spring.
Compared with the prior art, the beneficial effects of the utility model are that: a hydraulic rack steering system drives a rack to move through output ends on two sides of a hydraulic cylinder, the rack drives a gear to rotate, the gear drives a wheel bracket on the lower portion, a left wheel and a right wheel to rotate, thereby realizing steering and improving the stability and bearing capacity of rotation, the piston rod is connected with the rack through the adjusting screw rod, the locking nut and the clamping nut, the distance of the rack is convenient to adjust, thereby adjust the range of turning to of left wheel and right wheel, rotate through first bearing and second bearing between wheel support and the base support and be connected, it is spacing to first bearing through being provided with landing leg circle on the first bearing, the landing leg circle passes through round nut fixed mounting on the base support, the front side of rack leads through the leading wheel, during the rack removes with leading wheel normal running fit, the leading wheel sets up through self-lubricating bearing and improves pivoted smoothness nature, through the leading wheel round pin axle, flat pad and jump ring carry out stable erection. The utility model relates to a hydraulic rack steering system, through setting up rack, gear and leading wheel etc. has reached hydraulic rack drive and has turned to, turns to effectually, and bearing capacity is good, has solved present mechanical steering system, usually through motor drive, drives the gyro wheel and turns to, and the bearing capacity of motor output shaft is great when turning to, and easy fracture, transmission turn to the unstability, the poor problem of bearing capacity.
Drawings
FIG. 1 is a schematic structural diagram of a hydraulic rack and pinion steering system;
FIG. 2 is a schematic diagram of a top view of a hydraulic cylinder in a hydraulic rack and pinion steering system;
FIG. 3 is a schematic view of a hydraulic rack and pinion steering system at K;
FIG. 4 is a schematic view of a hydraulic rack and pinion steering system at A;
fig. 5 is a schematic diagram of a structure at B in a hydraulic rack steering system.
In the figure: 1-left wheel, 2-right wheel, 3-hydraulic cylinder, 4-piston rod, 5-connecting sleeve, 6-adjusting screw, 7-locking nut, 8-clamping nut, 9-rack, 10-gear, 11-first bearing, 12-flat pad, 13-leg ring, 14-round nut, 15-base support, 16-second bearing, 17-wheel support, 18-keyway, 19-guide wheel, 20-guide wheel pin shaft, 21-self-lubricating bearing, 22-flat pad and 23-snap spring.
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.
Referring to fig. 1 to 5, the present invention provides a technical solution: the utility model provides a hydraulic rack steering system, includes left wheel 1 and right wheel 2, left wheel 1 and right wheel 2 bilateral symmetry set up on base support 15, be provided with pneumatic cylinder 3 on base support 15, the both sides output of pneumatic cylinder 3 all is provided with rack 9, left wheel 1 rotates through wheel support 17 with right wheel 2 and installs on base support 15, be provided with gear 10 on the wheel support 17, it is fixed that wheel support 17 passes through keyway 18 with the gear 10 support, gear 10 meshes with rack 9 mutually.
The output ends at the two sides of the hydraulic cylinder 3 drive the rack 9 to move, the rack 9 drives the gear 10 to rotate, and the gear 10 drives the wheel bracket 17 below the rack, the left wheel 1 and the right wheel 2 to rotate, so that steering is realized, and the rotating stability and the bearing capacity are improved.
The output end of the hydraulic cylinder 3 is provided with a piston rod 4, the other end of the piston rod 4 is connected with an adjusting screw rod 6 through a connecting sleeve 5, and the adjusting screw rod 6 is connected with a rack 9 through a locking nut 7 and a clamping nut 8.
The piston rod 4 is connected with the rack 9 through the adjusting screw rod 5, the locking nut 7 and the clamping nut 8, so that the distance of the rack 9 can be conveniently adjusted, and the steering amplitude of the left wheel 1 and the right wheel 2 can be adjusted.
The wheel support 17 and the base support 15 are rotatably mounted through a first bearing 11 and a second bearing 16, a supporting leg ring 13 is arranged at the upper end of the base support 15, the supporting leg ring 13 is sleeved on the base support 15, a flat pad 12 is arranged between the supporting leg ring 13 and the first bearing 11, and a round nut 14 is arranged on the supporting leg ring 13.
The wheel support 17 is rotatably connected with the base support 15 through a first bearing 11 and a second bearing 16, the first bearing 11 is provided with a leg ring 13 to limit the position of the first bearing 11, and the leg ring 13 is fixedly installed on the base support 15 through a round nut 14.
The front side of the rack 9 is provided with a guide wheel 19, the guide wheel 19 is rotatably installed on the base support 15 through a guide wheel pin shaft 20, and a self-lubricating bearing 21 is arranged between the guide wheel 19 and the guide wheel pin shaft 20.
The rear transmission tooth part of the rack 9 is meshed with the gear 10, and the front side of the rack 9 is contacted with the outer side wall of the guide wheel 19.
The bottom of leading wheel round pin axle 20 is provided with flat pad 22, flat pad 22 sets up on leading wheel round pin axle 20 through jump ring 23.
The front side of rack 9 leads through leading wheel 19, and rack 9 and leading wheel 19 normal running fit when removing, leading wheel 19 sets up through self-lubricating bearing 21 and improves the smoothness nature of pivoted, carries out stable installation through leading wheel round pin axle 20, flat pad 22 and jump ring 23.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. A hydraulic rack steering system, comprising a left wheel (1) and a right wheel (2), characterized in that: the left wheel (1) and the right wheel (2) are arranged on the base support (15) in a bilateral symmetry mode, the hydraulic cylinder (3) is arranged on the base support (15), the output ends of the two sides of the hydraulic cylinder (3) are provided with the racks (9), the left wheel (1) and the right wheel (2) are rotatably installed on the base support (15) through the wheel support (17), the gear (10) is arranged on the wheel support (17), the wheel support (17) is fixed with the gear (10) through the key groove (18), and the gear (10) is meshed with the racks (9).
2. A hydraulic rack steering system according to claim 1 wherein: the output end of pneumatic cylinder (3) is provided with piston rod (4), the other end of piston rod (4) is connected with adjusting screw (6) through adapter sleeve (5), adjusting screw (6) are gone up and are connected with rack (9) through lock nut (7) and lock nut (8).
3. A hydraulic rack steering system according to claim 2 wherein: the wheel support is characterized in that the wheel support (17) and the base support (15) are rotatably mounted through a first bearing (11) and a second bearing (16), a supporting leg ring (13) is arranged at the upper end of the base support (15), the supporting leg ring (13) is sleeved on the base support (15), a flat pad (12) is arranged between the supporting leg ring (13) and the first bearing (11), and a round nut (14) is arranged on the supporting leg ring (13).
4. A hydraulic rack steering system according to claim 3 wherein: the front side of the rack (9) is provided with a guide wheel (19), the guide wheel (19) is rotatably installed on the base support (15) through a guide wheel pin shaft (20), and a self-lubricating bearing (21) is arranged between the guide wheel (19) and the guide wheel pin shaft (20).
5. A hydraulic rack and pinion steering system as set forth in claim 4 wherein: the rear side transmission tooth part of the rack (9) is meshed with the gear (10), and the front side of the rack (9) is contacted with the outer side wall of the guide wheel (19).
6. A hydraulic rack and pinion steering system as set forth in claim 5 wherein: the bottom of leading wheel round pin axle (20) is provided with flat pad (22), flat pad (22) pass through jump ring (23) and set up on leading wheel round pin axle (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921917331.6U CN211039572U (en) | 2019-11-08 | 2019-11-08 | Hydraulic rack steering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921917331.6U CN211039572U (en) | 2019-11-08 | 2019-11-08 | Hydraulic rack steering system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211039572U true CN211039572U (en) | 2020-07-17 |
Family
ID=71564612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921917331.6U Active CN211039572U (en) | 2019-11-08 | 2019-11-08 | Hydraulic rack steering system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211039572U (en) |
-
2019
- 2019-11-08 CN CN201921917331.6U patent/CN211039572U/en active Active
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| GR01 | Patent grant |