CN210941936U - Steering column angle adjusting device of wheeled tractor with air spring - Google Patents
Steering column angle adjusting device of wheeled tractor with air spring Download PDFInfo
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- CN210941936U CN210941936U CN201921460838.3U CN201921460838U CN210941936U CN 210941936 U CN210941936 U CN 210941936U CN 201921460838 U CN201921460838 U CN 201921460838U CN 210941936 U CN210941936 U CN 210941936U
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- gas spring
- air spring
- pin shaft
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Abstract
The utility model provides a take wheeled tractor steering column angle adjusting device of air spring, includes: the air spring control mechanism assembly comprises a locking nut, a locking type air spring assembly, a support, a left pin shaft, a left limit pin, a steering wheel, a steering column, a right limit pin, a right pin shaft, a pin with threads, a spring gasket and a nut; the steering wheel is fixed on the steering column and can rotate around the axis of the steering column; the steering column and the locking type air spring assembly are connected together to form a hinged connection through the right pin shaft, the pin with the threads, the spring gasket and the nut, and the air spring control mechanism assembly is connected to the locking type air spring assembly through the locking nut. The utility model discloses compact structure, the manipulation is light, and easy dismounting is swift, has solved the hard problem of steering gear angular adjustment.
Description
Technical Field
The utility model belongs to the tractor field relates to a wheeled tractor steering column angle adjusting device of taking air spring.
Background
At present, in order to adapt to different height and size of drivers and ensure the operation comfort of the drivers, in the design process, the steering columns of most wheeled tractors are designed to be angle-adjustable, so that the adjustment of the column angle of the tractor enterprises is realized by a set of steering column angle adjusting device.
The utility model discloses a utility model patent "tractor steering wheel angle adjusting device" that national intellectual property office 2010.02.17 authorizes, the patent number is 2009200904941, and the patent application date is 2009.05.26, and the notice number is: CN 201405916. The tractor steering wheel angle regulator includes steering wheel, steering column casing, cross universal joint, steering machine, support, lockable gas spring assembly and rotating pin shaft. The steering wheel is connected with the steering column through a spline, the steering column is connected with the steering column sleeve through a bearing, the steering column sleeve is connected with the support through a rotating pin shaft, the steering column is connected with a cross universal joint through the spline, the cross universal joint is connected with a steering engine through the spline, one end of the lockable gas spring assembly is connected with the support through a pin shaft, and the other end of the lockable gas spring assembly is connected with the steering column sleeve through a pin shaft. After a control handle on the lockable gas spring assembly is operated, the lockable gas spring enables the gas spring to extend or contract under the action of small acting force, so that the steering wheel, the steering column and the steering column sleeve rotate around the rotating pin shaft, and the purpose of adjusting the angle of the steering wheel is achieved. This patent scheme adopts handle control locking formula air spring, when the adjustment turned to the stand angle, and the driver need bow just can reach brake valve lever. Meanwhile, the driver needs to control the locking type gas spring handle and the steering wheel angle by both hands, and the steering wheel is very inconvenient.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects, the utility model aims to provide a wheeled tractor steering column angle adjusting device with an air spring, which overcomes the gravity of relevant parts such as a steering column and a steering wheel by the elasticity of the air spring, and controls the release and the locking of the elasticity of the air spring by a pedal mechanism, thereby achieving the purposes of convenient operation and lightness.
The utility model discloses a following technical scheme reaches above-mentioned purpose: the utility model provides a take wheeled tractor steering column angle adjusting device of air spring, includes: the air spring control mechanism assembly comprises a locking nut, a locking type air spring assembly, a support, a left pin shaft, a left limit pin, a steering wheel, a steering column, a right limit pin, a right pin shaft, a pin with threads, a spring gasket and a nut; the steering wheel is fixed on the steering column and can rotate around the axis of the steering column; the steering column and the locking type air spring assembly are connected together to form a hinged connection through the right pin shaft, the pin with the threads, the spring gasket and the nut, and the air spring control mechanism assembly is connected to the locking type air spring assembly through the locking nut.
The gas spring control mechanism assembly includes: the pedal mechanism assembly comprises a left support plate, a first cotter pin, a first pin shaft, a first flat gasket, a second pin shaft, a second flat gasket, a second cotter pin, a third flat gasket, a fourth cotter pin, a fourth flat gasket, a right support plate and a pedal mechanism assembly; the left support plate and the right support plate are symmetrically fixed on the machine body, the first pin shaft is connected between the left support plate and the right support plate through the first split pin, the fourth split pin, the first flat gasket and the fourth flat gasket, the pedal mechanism assembly is hinged with the left support plate and the right support plate, the pedal mechanism assembly can rotate around the first pin shaft, and the second pin shaft is connected between the left support plate and the right support plate through the second flat gasket, the second split pin, the third split pin and the third flat gasket.
The locking formula gas spring assembly includes: the gas spring ejector pin, the gas spring piston rod and the gas spring piston cylinder are arranged on the gas cylinder; the air spring piston rod is connected with the second pin shaft through a threaded section A of the air spring piston rod and is locked by a locking nut, the air spring piston cylinder is hinged with the steering column through a pin with threads, and an air spring ejector pin is connected to the end of the threaded section A of the air spring piston rod.
The pedal mechanism assembly includes: a pressing plate, a sleeve and a pedal rod; the pressing plate and the pedal rod are fixedly connected on the sleeve.
Due to the adoption of the technical scheme, the invention can achieve the following beneficial effects:
1. the release and locking of the elastic force of the gas spring are controlled by the pedal mechanism, and the operation is convenient and light;
2. the gravity of a steering column and a steering wheel is overcome by the elasticity of the gas spring, the operation is convenient, and the problem of labor-consuming angle adjustment of the steering machine is solved;
3. the angle adjustment of the steering column of the tractor is realized by utilizing a simple connecting rod mechanism, and the angle adjustment device is simple in structure and easy to realize.
Drawings
Fig. 1 is a schematic structural view of a steering column angle adjusting device of a wheeled tractor with a gas spring according to the present invention;
fig. 2 is a schematic structural view of a gas spring control mechanism assembly of the steering column angle adjusting device of the wheeled tractor with a gas spring according to the present invention;
fig. 3 is a schematic structural view of a locking type gas spring assembly device of the steering column angle adjusting device of the wheeled tractor with a gas spring according to the present invention;
fig. 4 is a schematic structural view of the pedal mechanism assembly device of the steering column angle adjusting device of the wheeled tractor with the gas spring of the present invention.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples. The present invention is not limited to the following embodiments, and the purpose of the present invention is to protect all changes and modifications within the scope of the present invention.
The utility model provides a take wheeled tractor steering column angle adjusting device of air spring, concrete structure is as shown in fig. 1~4, includes: the gas spring control mechanism comprises a gas spring control mechanism assembly 1, a locking nut 2, a locking type gas spring assembly 3, a support 4, a left pin shaft 5, a left limit pin 6, a steering wheel 7, a steering column 8, a right limit pin 9, a right pin shaft 10, a threaded pin 11, a spring gasket 12, a nut 13, a left support plate 14, a first split pin 15, a first pin shaft 16, a first flat gasket 17, a second pin shaft 18, a second flat gasket 19, a second split pin 20, a third split pin 21, a third flat gasket 22, a fourth split pin 23, a fourth flat gasket 24, a right support plate 25, a pedal mechanism closing member 26, a gas spring ejector pin 27, a gas spring piston rod 28, a gas spring piston cylinder 29, a pressing plate 30, a sleeve 31 and a pedal rod 32.
The steering wheel is characterized in that the support 4 is fixed on the machine body, the left pin shaft 5 and the right pin shaft 10 are coaxial, the left limit pin 6 and the right limit pin 9 are symmetrically fixed on the steering column 8, the steering column 8 is hinged with the support 4 through the left pin shaft 5 and the right pin shaft 10, and the steering wheel 7 is fixed on the steering column 8 and can rotate around the axis of the steering column 8; the steering column 8 and the locking type gas spring assembly 3 are connected together to form a hinge connection through a right pin shaft 10, a pin 11 with threads, a spring gasket 12 and a nut 13, and the gas spring control mechanism assembly 1 is connected to the locking type gas spring assembly 3 through a locking nut 2.
Gas spring control mechanism assembly 1 includes: the pedal mechanism comprises a left support plate 14, a first split pin 15, a first pin shaft 16, a first flat gasket 17, a second pin shaft 18, a second flat gasket 19, a second split pin 20, a third split pin 21, a third flat gasket 22, a fourth split pin 23, a fourth flat gasket 24, a right support plate 25 and a pedal mechanism assembly 26; the left support plate 14 and the right support plate 25 are symmetrically fixed on the machine body, the first pin shaft 16 is connected between the left support plate 14 and the right support plate 25 through the first split pin 15, the fourth split pin 23, the first flat gasket 17 and the fourth flat gasket 24, the pedal mechanism assembly 26 is hinged between the left support plate 14 and the right support plate 25, the pedal mechanism assembly 26 can rotate around the first pin shaft 16, the second pin shaft 18 is connected between the left support plate 14 and the right support plate 25 through the second flat gasket 19, the second split pin 20, the third split pin 21 and the third flat gasket 22, and is connected with the locking type air spring assembly 3 through the locking nut 2 to form hinging.
The locking gas spring assembly 3 includes: a gas spring thimble 27, a gas spring piston rod 28 and a gas spring piston cylinder 29; the gas spring piston rod 28 is connected with the second pin shaft 18 through a threaded section A and is locked by the locking nut 2, the gas spring piston cylinder 29 is hinged with the steering column 8 through the threaded pin 11, and the gas spring ejector pin 27 is connected with the end of the threaded section A of the gas spring piston rod 28.
The footrest mechanism assembly 26 includes: a pressing plate 30, a sleeve 31 and a pedal rod 32; the pressing plate 30 and the pedal rod 32 are fixed together with the sleeve 31 by inclining a certain angle.
The gas spring control mechanism assembly 1 controls the release and locking of the locking gas spring 3, overcomes the gravity of the steering wheel 7 and the steering column 8 by utilizing the elastic force of the locking gas spring 3, and realizes the angle adjustment of the steering column 8 by adjusting the length of the locking gas spring 3, thereby adjusting the steering wheel 7 to the most comfortable position of a driver.
The gas spring ejector pin 27 controls the locking and releasing of the gas spring: in a normal state, the gas spring is in a locking state, the gas spring is equivalent to a two-force rod at the moment, has no compression force and extension force, and can bear certain pressure and tension; when the gas spring thimble 27 is pressed inwards, the gas spring is in a released state, and at this time, the gas spring has a certain elastic force and can be stretched/compressed within the travel range thereof.
When the foot of the driver steps on the foot lever 32 downwards, the pedal mechanism assembly 26 rotates around the pin shaft 16 to drive the pressing plate 30 to jack up the air spring ejector pin 27 upwards, so that the locking type air spring 3 is in a release state and generates elastic force, the elastic force of the locking type air spring 3 can overcome the gravity of the steering wheel 7 and the steering column 8 to enable the steering column 8 to rotate around the left pin shaft 5 and the right pin shaft 13, the driver is assisted to adjust the steering wheel 7 to a required angular position, then the foot lever 32 is released, the air spring ejector pin 27 recovers to a normal state, the locking type air spring 3 is also locked along with the elastic force, the steering column 8 is fixed at the position, and the angle of the steering column 8 can be easily and conveniently adjusted.
Finally, it should be noted that the embodiments selected for use herein for the purpose of disclosing the present invention are presently considered to be suitable, but it should be understood that the present invention is intended to cover all variations and modifications of the embodiments falling within the spirit and scope of the present invention.
Claims (4)
1. The utility model provides a take wheeled tractor steering column angle adjusting device of air spring, includes: the air spring control mechanism assembly (1), a locking nut (2), a locking type air spring assembly (3), a support (4), a left pin shaft (5), a left limit pin (6), a steering wheel (7), a steering column (8), a right limit pin (9), a right pin shaft (10), a pin with threads (11), a spring gasket (12) and a nut (13); the method is characterized in that: the steering wheel is characterized in that the support (4) is fixed on the machine body, the left pin shaft (5) and the right pin shaft (10) are coaxial, the left limit pin (6) and the right limit pin (9) are symmetrically fixed on the steering column (8), the steering column (8) is hinged with the support (4) through the left pin shaft (5) and the right pin shaft (10), and the steering wheel (7) is fixed on the steering column (8) and can rotate around the axis of the steering column (8); the steering column (8) and the locking type gas spring assembly (3) are connected together to form a hinge connection through a right pin shaft (10), a threaded pin (11), a spring gasket (12) and a nut (13), and the gas spring control mechanism assembly (1) is connected to the locking type gas spring assembly (3) through a locking nut (2).
2. The steering column angle adjusting device for a wheeled tractor with a gas spring as claimed in claim 1, wherein: the gas spring control mechanism assembly (1) comprises: the pedal mechanism comprises a left support plate (14), a first split pin (15), a first pin shaft (16), a first flat gasket (17), a second pin shaft (18), a second flat gasket (19), a second split pin (20), a third split pin (21), a third flat gasket (22), a fourth split pin (23), a fourth flat gasket (24), a right support plate (25) and a pedal mechanism assembly (26); left branch fagging (14) and right branch fagging (25) symmetry are fixed in on the organism, first round pin axle (16) are connected between left branch fagging (14) and right branch fagging (25) through first split pin (15), fourth split pin (23) and first flat gasket (17), fourth flat gasket (24), pedal mechanism closes and forms between left branch fagging (14) and right branch fagging (25) articulated, pedal mechanism closes piece (26) and can rotate around first round pin axle (16), second round pin axle (18) are connected between left branch fagging (14) and right branch fagging (25) through second flat gasket (19), second split pin (20), third split pin (21), third flat gasket (22).
3. The steering column angle adjusting device for a wheeled tractor with a gas spring as claimed in claim 1, wherein: the locking gas spring assembly (3) comprises: a gas spring thimble (27), a gas spring piston rod (28) and a gas spring piston cylinder (29); the air spring piston rod (28) is connected with the second pin shaft (18) through a threaded section A of the air spring piston rod and locked by the locking nut (2), the air spring piston cylinder (29) is hinged with the steering column (8) through a pin (11) with threads, and the air spring ejector pin (27) is connected to the end portion of the threaded section A of the air spring piston rod (28).
4. The steering column angle adjusting device for a wheeled tractor with a gas spring as claimed in claim 1, wherein: the foot pedal mechanism assembly (26) includes: a pressing plate (30), a sleeve (31) and a pedal rod (32); the pressing plate (30) and the pedal rod (32) are fixedly connected on the sleeve (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921460838.3U CN210941936U (en) | 2019-09-04 | 2019-09-04 | Steering column angle adjusting device of wheeled tractor with air spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921460838.3U CN210941936U (en) | 2019-09-04 | 2019-09-04 | Steering column angle adjusting device of wheeled tractor with air spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210941936U true CN210941936U (en) | 2020-07-07 |
Family
ID=71398549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921460838.3U Active CN210941936U (en) | 2019-09-04 | 2019-09-04 | Steering column angle adjusting device of wheeled tractor with air spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210941936U (en) |
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2019
- 2019-09-04 CN CN201921460838.3U patent/CN210941936U/en active Active
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