CN218662002U - Pneumatic steering column of truck - Google Patents
Pneumatic steering column of truck Download PDFInfo
- Publication number
- CN218662002U CN218662002U CN202320241465.0U CN202320241465U CN218662002U CN 218662002 U CN218662002 U CN 218662002U CN 202320241465 U CN202320241465 U CN 202320241465U CN 218662002 U CN218662002 U CN 218662002U
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- steering column
- friction plate
- side friction
- steering
- support
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Abstract
The utility model relates to a truck pneumatic steering column, which comprises a steering shaft, a steering column and a steering column side friction plate group; the steering shaft is connected with the steering column through a bearing; the steering column side friction plate group is connected with the steering column; the inner side of the lower end of the steering column side friction plate group is provided with an arc long circular groove which is movably connected with the steering column support side friction plate group; the outer sides of the steering column side friction plate groups are respectively provided with a steering column support, and the upper ends of the steering column supports are connected with the steering column side friction plate groups through bolts; the upper and lower parts of the two sides of the steering column support are provided with long round holes; the lower end of the steering column support is provided with a guide pin, and the lower end of the steering column support is connected with a side friction plate set of the steering column support through the guide pin. The steering column bracket is arranged on the body of the cab to keep overall stability and stability; the steering column side friction plate set is fixed on the steering column, the steering shaft is connected with the steering column through the bearing, and the combination of the steering column side friction plate set and the steering shaft enables the steering shaft to rotate around the axis of the steering shaft, so that steering motion is achieved.
Description
Technical Field
The utility model relates to a vehicle steering control technical field especially relates to a pneumatic steering column of truck.
Background
The pneumatic adjustment steering column is widely used for high-end heavy trucks due to the convenience, and the heavy trucks are generally used for long-distance transportation and have long driving time. Therefore, heavy truck drivers are prone to fatigue. In the design of the heavy truck cab, a steering wheel, a seat, a pedal and a visual field need to be in accordance with 5% of the height of a female human body to 95% of the height of a male human body, so that most drivers can be ensured to have a comfortable driving posture, in addition, the drivers or following personnel need to live in the cab for a long time, and if the position of the steering wheel can be pushed forward, the moving space in the cab can be increased; the pneumatic control steering wheel is used for adjusting and loosening, the arrangement of the steering column is more flexible and attractive, but the existing pneumatic steering column has a complex structure, large occupied space and heavy weight.
SUMMERY OF THE UTILITY MODEL
The utility model provides a truck pneumatic steering column has solved current pneumatic steering column structure complicacy, and occupation space is big, problem that weight is big.
In order to solve the problems in the background art, the utility model discloses a realize through following technical scheme:
a truck pneumatic steering column comprises a steering shaft, a steering column and a steering column side friction plate group; the steering shaft is connected with the steering column through a bearing; the steering column side friction plate group is connected with the steering column; the inner side of the lower end of the steering column side friction plate group is provided with a circular arc long circular groove which is movably connected with the steering column support side friction plate group; steering column supports are respectively arranged on the outer sides of the steering column side friction plate sets, and the upper ends of the steering column supports are connected with the steering column side friction plate sets through bolts; the upper part and the lower part of two sides of the steering column support are provided with long round holes; the lower end of the steering column support is provided with a guide pin, and the lower end of the steering column support is connected with the side friction plate group of the steering column support through the guide pin.
Preferably, the steering column side friction plate group is of a fork-shaped structure, a boss is arranged on the inner side of the steering column support, and the outer side of the fork-shaped structure of the steering column side friction plate group is attached to the boss.
Preferably, a sliding block is arranged in a long circular hole formed in the upper side of the steering column support, the sliding block is sunk into the long circular hole, and the bolt penetrates through the steering column side friction plate group and is connected with the sliding block; the bolt sleeve is provided with a shaft sleeve, and the shaft sleeve is positioned between the steering column side friction plate group and the steering column support.
Preferably, the steering column support further comprises a steering column lug mechanism, wherein the steering column lug mechanism is arranged between the steering column side friction plate sets and is positioned at the long round hole arranged at the lower side of the steering column support; the steering column lug mechanism is connected with the steering column side friction plate set and the steering column support through a ball bearing; the ball bearing sinks into a long round hole arranged on the lower side of the steering column support and is fastened through a nut; the steering column lug mechanism is connected with the lever.
Preferably, one end of the lever is connected with the steering column lug mechanism, and the other end of the lever is connected with the air cylinder; the air cylinder is fixedly connected with the steering column support, and the input end of the air cylinder is connected with an air pipe; the output end that the cylinder was equipped with lever connection.
Compared with the prior art, the utility model discloses following profitable technological effect has:
the air source is used as power output, when the air cylinder is not ventilated, the air cylinder is in an extension state, one end of the lever is pushed, the other end of the lever prizes the steering column lug mechanism, two cylindrical blocks in the steering column lug mechanism are opened towards two sides, a steering column support side friction plate group and a steering column side friction plate group are compressed and pressed onto the steering column support, and at the moment, the steering column is locked and cannot be adjusted; after compressed air is introduced into the air cylinder, the steering column is unlocked, the sliding block takes the long round hole on the upper side of the steering column support as a guide to restrict the adjusting height of the steering column, and the arc long round groove at the lower end of the fork-shaped structure of the friction plate group on the side of the steering column limits the angle adjusting amount of the steering column.
Drawings
Fig. 1 is an exploded view of the present invention;
fig. 2 is a left side view of the present invention;
fig. 3 isbase:Sub>A partial sectional view of the left side viewbase:Sub>A-base:Sub>A of the present invention.
Description of the reference numerals
1. A steering shaft; 2. a steering column; 3. a steering column side friction plate group; 4. a steering column bracket; 5. a bolt; 6. a slider; 7. a shaft sleeve; 8. a steering column bracket side friction plate group; 9. a guide pin; 10. a cylinder; 11. an air tube; 12. a lever; 13. a steering column lug mechanism; 14. ball bearings.
Detailed Description
As shown in fig. 1-3, a truck pneumatic steering column includes a steering shaft 1, a steering column 2, and a steering column side friction plate set 3; the steering shaft 1 is connected with the steering column 2 through a bearing; the steering column side friction plate group 3 is connected with the steering column 2; the inner side of the lower end of the steering column side friction plate group 3 is provided with a circular arc long circular groove which is movably connected with a steering column support side friction plate group 8; the outer sides of the steering column side friction plate groups 3 are respectively provided with a steering column support 4, and the upper ends of the steering column supports 4 are connected with the steering column side friction plate groups 3 through bolts 5; the upper and lower parts of the two sides of the steering column bracket 4 are provided with long round holes; the lower end of the steering column support 4 is provided with a guide pin 9, and the lower end of the steering column support 4 is connected with a side friction plate group 8 of the steering column support through the guide pin 9. The steering column bracket 4 is arranged on the body of the cab to keep the overall stability and stability; the steering column side friction plate group 3 is fixed on the steering column 2, the steering shaft 1 is connected with the steering column 2 through a bearing, and the combination of the steering column side friction plate group and the steering shaft enables the steering shaft 1 to rotate around the axis of the steering shaft, so that steering motion is realized.
The steering column side friction plate group 3 is of a fork-shaped structure, a boss is arranged on the inner side of the steering column support 4, and the outer side of the fork-shaped structure of the steering column side friction plate group 3 is attached to the boss.
A sliding block 6 is arranged in a long circular hole formed in the upper side of the steering column support 4, the sliding block 6 sinks into the long circular hole, and a bolt 5 penetrates through the steering column side friction plate group 3 and is connected with the sliding block 6; the bolt 5 is sleeved with a shaft sleeve 7, and the shaft sleeve 7 is positioned between the steering column side friction plate group 3 and the steering column support 4. The slide block 6 is guided by a long circular hole on the upper side of the steering column support 4, the steering shaft 1, the steering column 2 and the steering column side friction plate group 3 can slide up and down relative to the steering column support 4, and the long circular hole restrains the height of the steering column 2.
The steering column lug mechanism 13 is arranged between the steering column side friction plate sets 3 and is positioned at an oblong hole arranged at the lower side of the steering column support 4; the steering column lug mechanism 13 is connected with the steering column side friction plate group 3 and the steering column bracket 4 through a ball bearing 14; the ball bearing 14 sinks into a long round hole arranged at the lower side of the steering column bracket 4 and is fastened through a nut; the steering column cam mechanism 13 is connected to the lever 12. The steering column lug mechanism 13 is installed in the long circular hole below the steering column support 4, the end parts at two sides are supported by the ball bearings 14, the ball bearings 14 sink into the long circular hole below the steering column support 4, and the outer side of the ball bearings is locked by nuts. When the steering column 2 moves up and down, the inner side of the lower end of the steering column side friction plate group 3 is provided with a circular arc long circular groove to drive the steering column lug mechanism 13 and the ball bearing 14 to move along the long circular hole below the steering column support 4.
One end of the lever 12 is connected with a steering column lug mechanism 13, and the other end of the lever 12 is connected with the cylinder 10; the cylinder 10 is fixedly connected with the steering column support 4, and the input end of the cylinder 10 is connected with the air pipe 11; the cylinder 10 is provided with an output connected to a lever 12. When the cylinder 10 is not ventilated, the cylinder 10 is in an extension state, one end of the lever 12 is pushed, the other end of the lever 12 prizes the steering column lug mechanism 13, two cylindrical blocks in the steering column lug mechanism 13 are opened towards two sides, the steering column support side friction plate group 8 and the steering column side friction plate group 3 are compressed and pressed onto the steering column support 4, and at the moment, the steering column is locked and cannot be adjusted.
Claims (5)
1. A truck pneumatic steering column is characterized by comprising a steering shaft (1), a steering column (2) and a steering column side friction plate group (3); the steering shaft (1) is connected with the steering column (2) through a bearing; the steering column side friction plate group (3) is connected with the steering column (2); the inner side of the lower end of the steering column side friction plate group (3) is provided with a circular arc long circular groove, and the circular arc long circular groove is movably connected with a steering column support side friction plate group (8); the outer sides of the steering column side friction plate sets (3) are respectively provided with a steering column support (4), and the upper ends of the steering column supports (4) are connected with the steering column side friction plate sets (3) through bolts (5); the upper and lower parts of two sides of the steering column support (4) are provided with long round holes; the lower end of the steering column support (4) is provided with a guide pin (9), and the lower end of the steering column support (4) is connected with a side friction plate set (8) of the steering column support through the guide pin (9).
2. The pneumatic steering column according to claim 1, characterized in that the steering column side friction plate set (3) is of fork-shaped structure, a boss is arranged on the inner side of the steering column bracket (4), and the outer side of the fork-shaped structure of the steering column side friction plate set (3) is attached to the boss.
3. The pneumatic steering column for trucks according to claim 1, characterized in that the oblong hole provided on the upper side of the steering column bracket (4) is provided with a slide block (6), the slide block (6) is sunk into the oblong hole, and the bolt (5) passes through the steering column side friction plate group (3) and is connected with the slide block (6); the bolt (5) is sleeved with a shaft sleeve (7), and the shaft sleeve (7) is located between the steering column side friction plate set (3) and the steering column support (4).
4. A truck pneumatic steering column according to claim 3, further comprising a steering column lug mechanism (13), the steering column lug mechanism (13) being provided between the steering column side friction plate sets (3) at an oblong hole provided at the lower side of the steering column bracket (4); the steering column lug mechanism (13) is connected with the steering column side friction plate set (3) and the steering column bracket (4) through a ball bearing (14); the ball bearing (14) sinks into a long circular hole formed in the lower side of the steering column support (4) and is fastened through a nut; the steering column cam mechanism (13) is connected with the lever (12).
5. Pneumatic steering column for trucks according to claim 4, characterized in that the lever (12) is connected at one end to the steering column cam mechanism (13) and at the other end of the lever (12) to the cylinder (10); the air cylinder (10) is fixedly connected with the steering column support (4), and an input end of the air cylinder (10) is connected with an air pipe (11); the output end of the cylinder (10) is connected with the lever (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320241465.0U CN218662002U (en) | 2023-02-17 | 2023-02-17 | Pneumatic steering column of truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320241465.0U CN218662002U (en) | 2023-02-17 | 2023-02-17 | Pneumatic steering column of truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218662002U true CN218662002U (en) | 2023-03-21 |
Family
ID=85551991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320241465.0U Active CN218662002U (en) | 2023-02-17 | 2023-02-17 | Pneumatic steering column of truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218662002U (en) |
-
2023
- 2023-02-17 CN CN202320241465.0U patent/CN218662002U/en active Active
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| GR01 | Patent grant | ||
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