CN110356183A - A kind of big stroke height-adjusting system on super-heavy load chassis - Google Patents
A kind of big stroke height-adjusting system on super-heavy load chassis Download PDFInfo
- Publication number
- CN110356183A CN110356183A CN201910643002.5A CN201910643002A CN110356183A CN 110356183 A CN110356183 A CN 110356183A CN 201910643002 A CN201910643002 A CN 201910643002A CN 110356183 A CN110356183 A CN 110356183A
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- CN
- China
- Prior art keywords
- height
- oil circuit
- super
- heavy load
- adjusting system
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
- B60G11/26—Resilient suspensions characterised by arrangement, location or kind of springs having fluid springs only, e.g. hydropneumatic springs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/02—Spring characteristics, e.g. mechanical springs and mechanical adjusting means
- B60G17/04—Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G3/00—Resilient suspensions for a single wheel
- B60G3/18—Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram
- B60G3/20—Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram all arms being rigid
Abstract
The invention discloses a kind of big stroke height-adjusting systems on super-heavy load chassis, it includes control valve group, the control valve group is equipped with oil inlet and oil outlet, left front oil circuit, right front oil duct, left back oil circuit and right rear oil duct are connected in the control valve group, height-regulating device and accumulator are respectively connected on the left front oil circuit, right front oil duct, left back oil circuit and right rear oil duct, height-regulating device on each oil circuit is connected with accumulator, the left front oil circuit is identical with the height-regulating device quantity on right front oil duct, and the left back oil circuit is identical with the height-regulating device quantity on right rear oil duct.Its purpose is to provide a kind of big stroke height-adjusting system on super-heavy load chassis, the height regulating function demand on super-heavy load chassis can satisfy.
Description
Technical field
The present invention relates to heavy special vehicle fields, are turned up more particularly to a kind of big stroke suitable for super-heavy load chassis
System.
Background technique
In order to solve bodywork height variation caused by empty fully loaded variation and meet the requirement of driving through property, to the energy that has specific characteristics
It is required that vehicle generally there is height regulating function.Common height-adjusting system has height-adjusting system based on air spring, based on oil gas bullet
The height-adjusting system of spring.But existing height-adjusting system is unable to satisfy the height regulating function demand on super-heavy load chassis.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of big stroke height-adjusting systems on super-heavy load chassis, can satisfy
The height regulating function demand on super-heavy load chassis.
The big stroke height-adjusting system on super-heavy load chassis of the present invention, including control valve group, the control valve group are equipped with oil inlet
Mouthful and oil outlet, be connected with left front oil circuit, right front oil duct, left back oil circuit and right rear oil duct in the control valve group, it is described left front
Height-regulating device and accumulator are respectively connected on oil circuit, right front oil duct, left back oil circuit and right rear oil duct, the height-regulating dress on each oil circuit
It sets and is connected with accumulator, the left front oil circuit is identical with the height-regulating device quantity on right front oil duct, after the left back oil circuit and the right side
Height-regulating device quantity on oil circuit is identical.
The big stroke height-adjusting system on super-heavy load chassis of the present invention, wherein the height-regulating device is installed on vehicle frame, the tune
High device includes Top Crossbeam, lower cross arm, hydro-pneumatic spring and sensor is turned up, and the inside of the Top Crossbeam and lower cross arm is and vehicle frame
Hingedly, wheel group, the top and bottom of the hydro-pneumatic spring are connected with by flexural pivot between the Top Crossbeam and the outside of lower cross arm
Hinged with vehicle frame and lower cross arm respectively, the height-regulating sensor is installed on the vehicle frame, and the hydro-pneumatic spring and accumulator connect
It connects.
The big stroke height-adjusting system on super-heavy load chassis of the present invention, wherein limiter is installed on the vehicle frame, the limit
Device is located at the top of Top Crossbeam.
The big stroke height-adjusting system on super-heavy load chassis of the present invention, wherein the inside of the Top Crossbeam passes through the first pin shaft and vehicle
Frame is hinged, and the inside of the lower cross arm is hinged by the second pin shaft and vehicle frame.
The big stroke height-adjusting system on super-heavy load chassis of the present invention, wherein the upper end of the hydro-pneumatic spring by third pin shaft with
Vehicle frame is hinged, and the lower end of the hydro-pneumatic spring is hinged by the 4th pin shaft and lower cross arm.
The big stroke height-adjusting system on super-heavy load chassis of the present invention, wherein the limiter includes the above the Top Crossbeam
One support frame, first support frame are installed on vehicle frame, and the end of first support frame and Top Crossbeam are positioned opposite, described
The end of first support frame is equipped with cushion block.
The big stroke height-adjusting system on super-heavy load chassis of the present invention, wherein the upper end of the hydro-pneumatic spring and the hinged tool of vehicle frame
Body mode are as follows: the second support frame is equipped on the vehicle frame, the upper end of the hydro-pneumatic spring passes through third pin shaft and the second support
Frame is hinged.
The big stroke height-adjusting system on super-heavy load chassis of the present invention, wherein being respectively connected on the left front oil circuit and right front oil duct
1 height-regulating device is respectively connected with 1 or 2 height-regulating devices on the left back oil circuit and right rear oil duct.
The big stroke height-adjusting system on super-heavy load chassis of the present invention, wherein being respectively connected on the left front oil circuit and right front oil duct
2 height-regulating devices are respectively connected with 3,4 or 5 height-regulating devices on the left back oil circuit and right rear oil duct.
The big stroke height-adjusting system on super-heavy load chassis of the present invention, wherein being respectively connected on the left front oil circuit and right front oil duct
3 height-regulating devices are respectively connected with 4,5,6 or 7 height-regulating devices on the left back oil circuit and right rear oil duct.
The big stroke height-adjusting system on super-heavy load chassis of the present invention when in use, each side installation of each round group
One height-regulating device, it is oil-filled into each height-regulating device by oil inlet, realize that vehicle body increases;Oil liquid in height-regulating device passes back into oil
When case, realize that bodywork height reduces;Control valve group is used to control the on-off of each hydraulic circuit, realizes that vehicle body partly or wholly rises
Drop, so as to meet the height regulating function demand on super-heavy load chassis.
The present invention will be further explained below with reference to the attached drawings.
Detailed description of the invention
Fig. 1 is the structure principle chart of the big stroke height-adjusting system embodiment one on super-heavy load chassis of the present invention;
Fig. 2 is the structure principle chart of the big stroke height-adjusting system embodiment two on super-heavy load chassis of the present invention;
Fig. 3 is the structure principle chart of the big stroke height-adjusting system embodiment three on super-heavy load chassis of the present invention;
Fig. 4 is the structure principle chart of the big stroke height-adjusting system example IV on super-heavy load chassis of the present invention;
Fig. 5 is the structure principle chart of the big stroke height-adjusting system embodiment five on super-heavy load chassis of the present invention;
Fig. 6 is the structure principle chart of the big stroke height-adjusting system embodiment six on super-heavy load chassis of the present invention;
Fig. 7 is the structure principle chart of the big stroke height-adjusting system embodiment seven on super-heavy load chassis of the present invention;
Fig. 8 is the structure principle chart of the big stroke height-adjusting system embodiment eight on super-heavy load chassis of the present invention;
Fig. 9 is the structure principle chart of the big stroke height-adjusting system embodiment nine on super-heavy load chassis of the present invention;
Figure 10 is the main view of height-regulating device in the present invention;
Figure 11 is the perspective view of height-regulating device in the present invention.
Specific embodiment
As shown in Figure 1, and combine Fig. 2-11 shown in, the big stroke height-adjusting system on super-heavy load chassis of the present invention includes control valve
Group, the control valve group are equipped with oil inlet and oil outlet, are connected with left front oil circuit, right front oil duct, a left side in the control valve group
Rear oil duct and right rear oil duct, be respectively connected on the left front oil circuit, right front oil duct, left back oil circuit and right rear oil duct height-regulating device and
Accumulator 14, height-regulating device and accumulator 14 on each oil circuit connect, the height-regulating dress on the left front oil circuit and right front oil duct
Set that quantity is identical, the left back oil circuit is identical with the height-regulating device quantity on right rear oil duct.
As shown in Figure 10, it and combines shown in Figure 11, the big stroke height-adjusting system on super-heavy load chassis of the present invention, wherein the tune
High device is installed on vehicle frame 3, and the height-regulating device includes Top Crossbeam 4, lower cross arm 5, hydro-pneumatic spring 1 and sensor 2, institute is turned up
The inside for stating Top Crossbeam 4 and lower cross arm 5 is hinged with vehicle frame 3, passes through flexural pivot between the Top Crossbeam 4 and the outside of lower cross arm 5
13 are connected with wheel group, and the top and bottom of the hydro-pneumatic spring 1 are hinged with vehicle frame 3 and lower cross arm 5 respectively, the height-regulating sensor
2 are installed on the vehicle frame 3, and the hydro-pneumatic spring 1 is connect with accumulator 14.
Top Crossbeam 4 and lower cross arm 5 are articulated with the concrete mode on vehicle frame 3 are as follows: are fixed with a support base on the vehicle frame 3
15, it sets on the support base 15 there are two support plate positioned opposite, the inside of the Top Crossbeam 4 is hinged by the first pin shaft 8
In in two support plates, the inside of the lower cross arm 5 is articulated in two support plates by the second pin shaft 9.
Since wheel group is installed between Top Crossbeam 4 and lower cross arm 5, Top Crossbeam 4 and 5 co- controlling of lower cross arm were turned up
Motion profile of the wheel relative to vehicle body in journey.The variation that sensor 2 is used to acquire bodywork height is turned up, is provided for control is turned up
Input.
The big stroke height-adjusting system on super-heavy load chassis of the present invention, wherein limiter is installed on the vehicle frame 3, the limit
Device is located at the top of Top Crossbeam 4.
The big stroke height-adjusting system on super-heavy load chassis of the present invention, wherein the inside of the Top Crossbeam 4 by the first pin shaft 8 with
Vehicle frame 3 is hinged, and the inside of the lower cross arm 5 is hinged by the second pin shaft 9 and vehicle frame 3.
The big stroke height-adjusting system on super-heavy load chassis of the present invention, wherein the upper end of the hydro-pneumatic spring 1 passes through third pin shaft 7
Hinged with vehicle frame 3, the lower end of the hydro-pneumatic spring 1 is hinged by the 4th pin shaft 10 and lower cross arm 5.
The big stroke height-adjusting system on super-heavy load chassis of the present invention, wherein the limiter includes positioned at 4 top of Top Crossbeam
First support frame 11, first support frame 11 are installed on vehicle frame 3, end and 4 phase of Top Crossbeam of first support frame 11
To arrangement, the end of first support frame 11 is equipped with cushion block 12.The material of cushion block 12 is rubber.First support frame 11 is cell type
Structure, the first support frame 11, which is bolted, to be installed on vehicle frame 3.
The big stroke height-adjusting system on super-heavy load chassis of the present invention, wherein the upper end of the hydro-pneumatic spring 1 and vehicle frame 3 are hinged
Concrete mode are as follows: be equipped with the second support frame 6 on the vehicle frame 3, the upper end of the hydro-pneumatic spring 1 passes through third pin shaft 7 and the
Two support frames 6 are hinged.Second support frame 6 is case type structures, and the second support frame 6, which is bolted, to be installed on vehicle frame 3.
The big stroke height-adjusting system on super-heavy load chassis of the present invention, wherein being respectively connected on the left front oil circuit and right front oil duct
1 height-regulating device is respectively connected with 1 or 2 height-regulating devices on the left back oil circuit and right rear oil duct.
The big stroke height-adjusting system on super-heavy load chassis of the present invention, wherein being respectively connected on the left front oil circuit and right front oil duct
2 height-regulating devices are respectively connected with 3,4 or 5 height-regulating devices on the left back oil circuit and right rear oil duct.
The big stroke height-adjusting system on super-heavy load chassis of the present invention, wherein being respectively connected on the left front oil circuit and right front oil duct
3 height-regulating devices are respectively connected with 4,5,6 or 7 height-regulating devices on the left back oil circuit and right rear oil duct.
The big stroke height-adjusting system on super-heavy load chassis of the present invention when in use, each side installation of each round group
One height-regulating device, it is oil-filled into each height-regulating device by oil inlet, realize that vehicle body increases;Oil liquid in height-regulating device passes back into oil
When case, realize that bodywork height reduces;Control valve group is used to control the on-off of each hydraulic circuit, realizes that vehicle body partly or wholly rises
Drop, so as to meet the height regulating function demand on super-heavy load chassis.
For super-heavy load chassis, the fully loaded variation of sky is big, road conditions are complicated, in order to meet various driving through under road conditions
Property, feature of the present invention for super-heavy load chassis load greatly, more than vehicle body length, the number of axle designs reasonable height-regulating control logic, meets
The height regulating function demand on super-heavy load chassis.According to super-heavy load chassis to the functional requirement of height-adjusting system, super-heavy load chassis of the present invention
Big stroke height-adjusting system have substep be turned up mode, road-driving mode, three kinds of railway motor pattern.
The present invention is suitable for two axis and multiaxis chassis, two height-regulating devices in the corresponding left and right of each shafting, therefore chassis
The number of axle it is identical as the sum of height-regulating device on left front oil circuit and left back oil circuit, also and on right front oil duct and right rear oil duct
The sum of height-regulating device is identical.The present invention will be described by taking the chassis of different shaftings as an example below.
Embodiment one
As shown in Figure 1, the present embodiment is suitable for two-axle car chassis, oil behind left front oil circuit, right front oil duct, left back oil circuit and the right side
The height-regulating device of road connection is 1.1 accumulator 14, the height-regulating device on each oil circuit are respectively connected on each oil circuit
In hydro-pneumatic spring 1 connect with the accumulator 14 on the oil circuit.
Embodiment two
As shown in Fig. 2, the present embodiment is suitable for three axis chassis, 1 tune is respectively connected on left front oil circuit and right front oil duct
2 height-regulating devices are respectively connected on high device, left back oil circuit and right rear oil duct.1 accumulator 14 is respectively connected on each oil circuit,
Hydro-pneumatic spring 1 in height-regulating device on each oil circuit is connect with the accumulator 14 on the oil circuit.
Embodiment three
As shown in figure 3, the present embodiment is suitable for 5-axle car chassis, being respectively connected with 2 tune on left front oil circuit and right front oil duct
3 height-regulating devices are respectively connected on high device, left back oil circuit and right rear oil duct.1 accumulator 14 is respectively connected on each oil circuit,
Hydro-pneumatic spring 1 in height-regulating device on each oil circuit is connect with the accumulator 14 on the oil circuit.
Example IV
As shown in figure 4, the present embodiment is suitable for six-axle car chassis, being respectively connected with 2 tune on left front oil circuit and right front oil duct
4 height-regulating devices are respectively connected on high device, left back oil circuit and right rear oil duct.1 accumulator 14 is respectively connected on each oil circuit,
Hydro-pneumatic spring 1 in height-regulating device on each oil circuit is connect with the accumulator 14 on the oil circuit.
Embodiment five
As shown in figure 5, the present embodiment is suitable for seven axis chassis, 2 tune are respectively connected on left front oil circuit and right front oil duct
5 height-regulating devices are respectively connected on high device, left back oil circuit and right rear oil duct.1 accumulator 14 is respectively connected on each oil circuit,
Hydro-pneumatic spring 1 in height-regulating device on each oil circuit is connect with the accumulator 14 on the oil circuit.
Embodiment six
As shown in fig. 6, the present embodiment is suitable for seven axis chassis, 3 tune are respectively connected on left front oil circuit and right front oil duct
4 height-regulating devices are respectively connected on high device, left back oil circuit and right rear oil duct.1 accumulator 14 is respectively connected on each oil circuit,
Hydro-pneumatic spring 1 in height-regulating device on each oil circuit is connect with the accumulator 14 on the oil circuit.
Embodiment seven
As shown in fig. 7, being respectively connected with 3 height-regulating devices, left back oil circuit and right rear oil duct on left front oil circuit and right front oil duct
On be respectively connected with 5 height-regulating devices.1 accumulator 14 is respectively connected on each oil circuit, in the height-regulating device on each oil circuit
Hydro-pneumatic spring 1 is connect with the accumulator 14 on the oil circuit.
Embodiment eight
As shown in figure 8, being respectively connected with 3 height-regulating devices, left back oil circuit and right rear oil duct on left front oil circuit and right front oil duct
On be respectively connected with 6 height-regulating devices.1 accumulator 14 is respectively connected on each oil circuit, in the height-regulating device on each oil circuit
Hydro-pneumatic spring 1 is connect with the accumulator 14 on the oil circuit.
Embodiment nine
As shown in figure 9, being respectively connected with 3 height-regulating devices, left back oil circuit and right rear oil duct on left front oil circuit and right front oil duct
On be respectively connected with 7 height-regulating devices.1 accumulator 14 is respectively connected on each oil circuit, in the height-regulating device on each oil circuit
Hydro-pneumatic spring 1 is connect with the accumulator 14 on the oil circuit.
Beneficial effects of the present invention are as follows:
Present invention Mr. Yu's super-heavy load chassis is realized that the bodywork height under various modes is adjusted, is met to special operation condition
And the requirement of passability.
(1) oil inlet in the present invention is connect with oil sources, and oil return opening is connect with fuel tank, oil sources, control valve group and accumulator
14 composition hydraulic systems, oil sources provides power to be turned up, and when oil sources is oil-filled into each hydro-pneumatic spring 1, realizes that vehicle body increases, oil gas
When oil liquid in spring 1 passes back into fuel tank, realize that bodywork height reduces;Control valve group is used to control the on-off of each hydraulic circuit,
Realize that vehicle body is partly or wholly gone up and down.
(2) Top Crossbeam 4 and lower cross arm 5 play the role of the small as far as possible, inclination with wheel alignment parameter variation for wheel group guiding
Center optimization aim a height of as far as possible obtains suspension system good by optimizing the installation site of side point in upper and lower transverse arm 5
K&C characteristic guarantees that vehicle has good control stability;Top Crossbeam 4 and lower cross arm 5 realize structure by topological optimization
Light-weight design;Meanwhile by the correction of motion of wheel hop extreme position and steering lock position, guarantee entire height-regulating process
Each component does not interfere.
(3) vehicle is divided into four supporting points by the connectivity structure of hydro-pneumatic spring 1: before left front, right, it is left back, right after, pass through control
Different solenoid valve opening and closings in valve group processed, control vehicle body it is left front, right before, it is left back, right after four supporting points individually or simultaneously
Lifting.In terms of height-regulating mode, it is divided into substep height-regulating mode, road-driving mode, three kinds of railway motor pattern;Work as body gesture
When needing local modulation, substep height-regulating mode can be selected, vehicle body is adjusted;When needing a key to be adjusted to equilbrium position height,
Road-driving mode can be selected vehicle body is adjusted;When needing railway transportation to need to minimize bodywork height, can adopt
Vehicle body is adjusted with railway transportation.
Embodiment described above only describe the preferred embodiments of the invention, not to model of the invention
It encloses and is defined, without departing from the spirit of the design of the present invention, those of ordinary skill in the art are to technical side of the invention
The various changes and improvements that case is made should all be fallen into the protection scope that claims of the present invention determines.
Claims (10)
1. a kind of big stroke height-adjusting system on super-heavy load chassis, it is characterised in that: including control valve group, set in the control valve group
There are oil inlet and oil outlet, left front oil circuit, right front oil duct, left back oil circuit and right rear oil duct, institute are connected in the control valve group
It states and is respectively connected with height-regulating device and accumulator on left front oil circuit, right front oil duct, left back oil circuit and right rear oil duct, on each oil circuit
Height-regulating device is connected with accumulator, and the left front oil circuit is identical with the height-regulating device quantity on right front oil duct, the left back oil circuit
It is identical with the height-regulating device quantity on right rear oil duct.
2. the big stroke height-adjusting system on super-heavy load chassis according to claim 1, it is characterised in that: the height-regulating device peace
Loaded on vehicle frame, the height-regulating device includes Top Crossbeam, lower cross arm, hydro-pneumatic spring and sensor is turned up, and the Top Crossbeam is under
The inside of transverse arm is hinged with vehicle frame, is connected with wheel group, the oil by flexural pivot between the Top Crossbeam and the outside of lower cross arm
The top and bottom of gas spring are hinged with vehicle frame and lower cross arm respectively, and the height-regulating sensor is installed on the vehicle frame, described
Hydro-pneumatic spring is connect with accumulator.
3. the big stroke height-adjusting system on super-heavy load chassis according to claim 2, it is characterised in that: installed on the vehicle frame
There is limiter, the limiter is located at the top of Top Crossbeam.
4. the big stroke height-adjusting system on super-heavy load chassis according to claim 3, it is characterised in that: the Top Crossbeam it is interior
Side is hinged by the first pin shaft and vehicle frame, and the inside of the lower cross arm is hinged by the second pin shaft and vehicle frame.
5. the big stroke height-adjusting system on super-heavy load chassis according to claim 4, it is characterised in that: the hydro-pneumatic spring
Upper end is hinged by third pin shaft and vehicle frame, and the lower end of the hydro-pneumatic spring is hinged by the 4th pin shaft and lower cross arm.
6. the big stroke height-adjusting system on super-heavy load chassis according to claim 5, it is characterised in that: the limiter includes
The first support frame above Top Crossbeam, first support frame are installed on vehicle frame, the end of first support frame with
Top Crossbeam is positioned opposite, and the end of first support frame is equipped with cushion block.
7. the big stroke height-adjusting system on super-heavy load chassis according to claim 6, which is characterized in that the hydro-pneumatic spring
Upper end and the hinged concrete mode of vehicle frame are as follows: the second support frame is installed, the upper end of the hydro-pneumatic spring passes through on the vehicle frame
Third pin shaft and the second support frame are hinged.
8. the big stroke height-adjusting system on super-heavy load chassis according to claim 7, it is characterised in that: the left front oil circuit and
It is respectively connected with 1 height-regulating device on right front oil duct, 1 or 2 height-regulating dress is respectively connected on the left back oil circuit and right rear oil duct
It sets.
9. the big stroke height-adjusting system on super-heavy load chassis according to claim 8, it is characterised in that: the left front oil circuit and
It is respectively connected with 2 height-regulating devices on right front oil duct, 3,4 or 5 tune are respectively connected on the left back oil circuit and right rear oil duct
High device.
10. the big stroke height-adjusting system on super-heavy load chassis according to claim 9, it is characterised in that: the left front oil circuit
With 3 height-regulating devices are respectively connected on right front oil duct, be respectively connected on the left back oil circuit and right rear oil duct 4,5,6 or
7 height-regulating devices.
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CN201910643002.5A CN110356183A (en) | 2019-07-17 | 2019-07-17 | A kind of big stroke height-adjusting system on super-heavy load chassis |
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CN201910643002.5A CN110356183A (en) | 2019-07-17 | 2019-07-17 | A kind of big stroke height-adjusting system on super-heavy load chassis |
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CN105059074A (en) * | 2015-09-08 | 2015-11-18 | 北京航天发射技术研究所 | Suspension limiting stopper with overload protection function, suspension system and vehicle |
CN105856996A (en) * | 2016-03-30 | 2016-08-17 | 北京航天发射技术研究所 | Independent suspension system for super-heavy chassis |
CN107116985A (en) * | 2017-05-03 | 2017-09-01 | 北京航天发射技术研究所 | A kind of big stroke suspension system for multi-axle heavy type vehicle |
CN107914536A (en) * | 2017-11-22 | 2018-04-17 | 北京航天发射技术研究所 | The spacing hydro-pneumatic spring in the two poles of the earth and use its suspension hydraulic system |
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2019
- 2019-07-17 CN CN201910643002.5A patent/CN110356183A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105059074A (en) * | 2015-09-08 | 2015-11-18 | 北京航天发射技术研究所 | Suspension limiting stopper with overload protection function, suspension system and vehicle |
CN105856996A (en) * | 2016-03-30 | 2016-08-17 | 北京航天发射技术研究所 | Independent suspension system for super-heavy chassis |
CN107116985A (en) * | 2017-05-03 | 2017-09-01 | 北京航天发射技术研究所 | A kind of big stroke suspension system for multi-axle heavy type vehicle |
CN107914536A (en) * | 2017-11-22 | 2018-04-17 | 北京航天发射技术研究所 | The spacing hydro-pneumatic spring in the two poles of the earth and use its suspension hydraulic system |
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Application publication date: 20191022 |