CN203974461U - A kind of vehicle body Universal leveling device - Google Patents
A kind of vehicle body Universal leveling device Download PDFInfo
- Publication number
- CN203974461U CN203974461U CN201420429420.7U CN201420429420U CN203974461U CN 203974461 U CN203974461 U CN 203974461U CN 201420429420 U CN201420429420 U CN 201420429420U CN 203974461 U CN203974461 U CN 203974461U
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- leveling cylinder
- leveling
- vehicle body
- universal
- cylinder
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Abstract
The utility model relates to a kind of vehicle body Universal leveling device, comprise vehicle body, universal-joint, leveling cylinder and underframe, vehicle body is connected by universal-joint with underframe, the two ends of universal-joint longitudinal axis are fixed on vehicle body by bearing seat respectively, the two ends of universal-joint axis of pitch are fixed on underframe by bearing seat respectively, leveling cylinder comprises front leveling cylinder, rear leveling cylinder, left leveling cylinder and right leveling cylinder, cylinder body and the underframe of leveling cylinder are hinged, piston rod and vehicle body are hinged, obliquity sensor is installed on vehicle body, obliquity sensor is connected with storage battery and coder respectively, coder is connected with electro hydraulic valve, leveling cylinder before electro hydraulic valve control, rear leveling cylinder, stretching of left leveling cylinder and right leveling cylinder.Adopt universal-joint to connect vehicle body and underframe, and with leveling cylinder supplemental support vehicle body with realize vehicle attitude control, can realize the automatic leveling of vehicle body under various uneven road conditions, be quick on the draw rapid, without leveling dead angle, and increased the stability of vehicle body.
Description
Technical field
The utility model belongs to engineering truck level device field, is specifically related to a kind of vehicle body Universal leveling device.
Background technology
At present, common rising and the decline that just realizes simply vehicle body of self leveling of engineering truck, also do not accomplish to regulate in real time according to the actual state on road surface, to keep the levelness of vehicle body platform, travelling, in operation, while running into some rugged and rough roads, can make vehicle body run-off the straight, affect ride comfort and be arranged on the regular event of the equipment on vehicle body, the accident such as even can cause that transported weight landing or engineering truck are tumbled.
Summary of the invention
The purpose of this utility model is to provide a kind of can realize automatic leveling under various uneven road conditions, without the vehicle body Universal leveling device at leveling dead angle.
The utility model solves the technical scheme that its technical matters adopts: a kind of vehicle body Universal leveling device, comprise vehicle body, universal-joint, leveling cylinder and underframe, described vehicle body is connected by universal-joint with underframe, the two ends of universal-joint longitudinal axis are fixed on vehicle body by bearing seat respectively, the two ends of universal-joint axis of pitch are fixed on underframe by bearing seat respectively, described leveling cylinder comprises front leveling cylinder, rear leveling cylinder, left leveling cylinder and right leveling cylinder, described front leveling cylinder and rear leveling cylinder are symmetrical arranged with respect to universal-joint on universal-joint longitudinal axis, described left leveling cylinder and right leveling cylinder are symmetrical arranged with respect to universal-joint on universal-joint axis of pitch, described front leveling cylinder, rear leveling cylinder, cylinder body and the underframe of left leveling cylinder and right leveling cylinder are hinged, piston rod and vehicle body are hinged, on described vehicle body, obliquity sensor is installed, described obliquity sensor is connected with storage battery and coder respectively, coder is connected with electro hydraulic valve, leveling cylinder before described electro hydraulic valve control, rear leveling cylinder, stretching of left leveling cylinder and right leveling cylinder.
Particularly, described electro hydraulic valve has two, and one is connected with front leveling cylinder and rear leveling cylinder, controls the expanding-contracting action of front leveling cylinder and rear leveling cylinder; Another is connected with left leveling cylinder and right leveling cylinder, controls the expanding-contracting action of left leveling cylinder and right leveling cylinder.
Particularly, the rod chamber of described front leveling cylinder communicates with rear leveling cylinder rodless cavity, and the rod chamber of described left leveling cylinder communicates with the rodless cavity of right leveling cylinder, and rodless cavity leads to rod chamber, realizes the synchronization telescope of leveling cyclinder.
The utlity model has following beneficial effect:
1, can realize the leveling of any angle by universal-joint, symmetrically arranged four leveling cyclinders of axis, without leveling dead angle, not exist between oil cylinder and mutually interfere in leveling process, non-same axis is also realized leveling.
2, the leveling system leveling precision of obliquity sensor, coder, electro hydraulic valve, leveling cylinder composition is high, has realized automation.
3, the rodless cavity of the logical rear leveling cylinder of the rod chamber of front leveling cylinder, the rodless cavity of the logical rear leveling cylinder of rod chamber of left leveling cylinder, rodless cavity leads to rod chamber, thereby realizes the synchronization telescope of oil cylinder, makes the reaction of action sensitiveer, rapid.
4, the vehicle body of universal-joint, four leveling cylinder compositions supports, and has increased vehicle body stability.
Brief description of the drawings
Fig. 1 is the hydraulic schematic diagram of the utility model Universal leveling device.
Fig. 2 is the transverse horizontal structural representation of the utility model Universal leveling device.
Fig. 3 is the right leveling schematic diagram of the utility model Universal leveling device.
Fig. 4 is the left leveling schematic diagram of the utility model Universal leveling device.
Fig. 5 is the vertical equity structural representation of the utility model Universal leveling device.
Fig. 6 is the utility model Universal leveling device upward slope leveling schematic diagram.
Fig. 7 is the utility model Universal leveling device descending leveling schematic diagram.
In figure, 1, vehicle body, 2, universal-joint, 3, underframe, 4, left leveling cylinder, 5, right leveling cylinder, 6, front leveling cylinder, 7, rear leveling cylinder, 8, obliquity sensor, 9, coder, 10, electro hydraulic valve, 11, storage battery, 12, bearing seat.
Detailed description of the invention
By reference to the accompanying drawings the utility model is described in further detail now.
As Fig. 1, Fig. 2, shown in Fig. 5, a kind of vehicle body Universal leveling device, comprise vehicle body 1, universal-joint 2, leveling cylinder and underframe 3, described vehicle body 1 is connected by universal-joint 2 with underframe 3, the two ends of universal-joint 2 longitudinal axis are fixed on vehicle body 1 by bearing seat 12 respectively, the two ends of universal-joint 2 axiss of pitch are fixed on underframe 3 by bearing seat 12 respectively, described leveling cylinder comprises front leveling cylinder 6, rear leveling cylinder 7, left leveling cylinder 4 and right leveling cylinder 5, described front leveling cylinder 6 and rear leveling cylinder 7 are symmetrical arranged with respect to universal-joint 2 on universal-joint 2 longitudinal axis, described left leveling cylinder 4 and right leveling cylinder 5 are symmetrical arranged with respect to universal-joint 2 on universal-joint 2 axiss of pitch, described front leveling cylinder 6, rear leveling cylinder 7, cylinder body and the underframe 3 of left leveling cylinder 4 and right leveling cylinder 5 are hinged, piston rod and vehicle body 1 are hinged, on described vehicle body 1, obliquity sensor 8 is installed, described obliquity sensor 8 is connected with storage battery 11 and coder 9 respectively, coder 9 is connected with electro hydraulic valve 10, obliquity sensor 8 can send body inclination signal and pass to coder 9, coder 9 is controlled front leveling cylinder 6 by electro hydraulic valve 10, rear leveling cylinder 7, stretching of left leveling cylinder 4 and right leveling cylinder 5, realize vehicle attitude control.
Particularly, described electro hydraulic valve 10 has two, and one is connected with front leveling cylinder 6 and rear leveling cylinder 7, controls the expanding-contracting action of front leveling cylinder 6 and rear leveling cylinder 7; Another is connected with left leveling cylinder 4 and right leveling cylinder 5, controls the expanding-contracting action of left leveling cylinder 4 and right leveling cylinder 5.
Particularly, the rod chamber of described front leveling cylinder 6 communicates with rear leveling cylinder 7 rodless cavities, and the rod chamber of described left leveling cylinder 4 communicates with the rodless cavity of right leveling cylinder 5, and rodless cavity leads to rod chamber, realizes the synchronization telescope of leveling cyclinder, improves sensitivity.
In the time that engineering truck is traveling in compare Gao road surface, right side, Universal leveling device carries out right leveling automatically, as shown in Figure 3.Obliquity sensor 8 passes to coder 9 by right side higher than the signal in left side, and coder 9 is controlled left leveling cylinder 4 by electro hydraulic valve 10 and extended, and right leveling cylinder 5 compresses, and realizes vehicle attitude control.
In the time that engineering truck is traveling in higher road surface, left side, Universal leveling device carries out left leveling automatically, as shown in Figure 4.Obliquity sensor 8 passes to coder 9 by left side higher than the signal on right side, and coder 9 is controlled left leveling cylinder 4 by electro hydraulic valve 10 and compressed, and right leveling cylinder 5 extends, and realizes vehicle attitude control.
In the time that engineering truck goes up a slope, the leveling of automatically going up a slope of Universal leveling device, before leveling, as shown in Figure 6.Obliquity sensor 8 passes to coder 9 by front side higher than the signal of rear side, and coder 9 is controlled front leveling cylinder 6 by electro hydraulic valve 10 and compressed, and rear leveling cylinder 7 extends, and realizes vehicle attitude control.
In the time of engineering truck descending, Universal leveling device carries out descending leveling automatically, i.e. rear leveling, as shown in Figure 7.Obliquity sensor 8 passes to coder 9 by rear side higher than the signal of front side, and coder 9 is controlled rear leveling cylinder 6 by electro hydraulic valve 10 and compressed, and front leveling cylinder 7 extends, and realizes vehicle attitude control.
The utility model is not limited to above-mentioned embodiment, and anyone should learn the structural change of making under enlightenment of the present utility model, every with the utlity model has identical or close technical scheme, within all falling into protection domain of the present utility model.
Technology, shape, structure part that the utility model is not described in detail are known technology.
Claims (3)
1. a vehicle body Universal leveling device, it is characterized in that, comprise vehicle body, universal-joint, leveling cylinder and underframe, described vehicle body is connected by universal-joint with underframe, the two ends of universal-joint longitudinal axis are fixed on vehicle body by bearing seat respectively, the two ends of universal-joint axis of pitch are fixed on underframe by bearing seat respectively, described leveling cylinder comprises front leveling cylinder, rear leveling cylinder, left leveling cylinder and right leveling cylinder, described front leveling cylinder and rear leveling cylinder are symmetrical arranged with respect to universal-joint on universal-joint longitudinal axis, described left leveling cylinder and right leveling cylinder are symmetrical arranged with respect to universal-joint on universal-joint axis of pitch, described front leveling cylinder, rear leveling cylinder, cylinder body and the underframe of left leveling cylinder and right leveling cylinder are hinged, piston rod and vehicle body are hinged, on described vehicle body, obliquity sensor is installed, described obliquity sensor is connected with storage battery and coder respectively, coder is connected with electro hydraulic valve, leveling cylinder before described electro hydraulic valve control, rear leveling cylinder, stretching of left leveling cylinder and right leveling cylinder.
2. vehicle body Universal leveling device as claimed in claim 1, is characterized in that, described electro hydraulic valve has two, and one is connected with front leveling cylinder and rear leveling cylinder, and another is connected with left leveling cylinder and right leveling cylinder.
3. vehicle body Universal leveling device as claimed in claim 1, is characterized in that, the rod chamber of described front leveling cylinder communicates with rear leveling cylinder rodless cavity, and the rod chamber of described left leveling cylinder communicates with the rodless cavity of right leveling cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420429420.7U CN203974461U (en) | 2014-07-31 | 2014-07-31 | A kind of vehicle body Universal leveling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420429420.7U CN203974461U (en) | 2014-07-31 | 2014-07-31 | A kind of vehicle body Universal leveling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203974461U true CN203974461U (en) | 2014-12-03 |
Family
ID=51971942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420429420.7U Withdrawn - After Issue CN203974461U (en) | 2014-07-31 | 2014-07-31 | A kind of vehicle body Universal leveling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203974461U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104097479A (en) * | 2014-07-31 | 2014-10-15 | 愚公机械股份有限公司 | Universal leveling device for vehicle body |
| CN106379407A (en) * | 2016-11-02 | 2017-02-08 | 山东农业大学 | All-terrain chassis capable of rapidly leveling and leveling method |
| CN116906386A (en) * | 2023-09-12 | 2023-10-20 | 临工重机股份有限公司 | Engineering machinery control system |
-
2014
- 2014-07-31 CN CN201420429420.7U patent/CN203974461U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104097479A (en) * | 2014-07-31 | 2014-10-15 | 愚公机械股份有限公司 | Universal leveling device for vehicle body |
| CN106379407A (en) * | 2016-11-02 | 2017-02-08 | 山东农业大学 | All-terrain chassis capable of rapidly leveling and leveling method |
| CN106379407B (en) * | 2016-11-02 | 2018-07-20 | 山东农业大学 | A kind of full landform chassis of fast leveling and leveling method |
| CN116906386A (en) * | 2023-09-12 | 2023-10-20 | 临工重机股份有限公司 | Engineering machinery control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141203 Effective date of abandoning: 20160217 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |