CN110435760A - A kind of steering hydraulic system and method for correcting error with deviation-correcting function - Google Patents
A kind of steering hydraulic system and method for correcting error with deviation-correcting function Download PDFInfo
- Publication number
- CN110435760A CN110435760A CN201910734009.8A CN201910734009A CN110435760A CN 110435760 A CN110435760 A CN 110435760A CN 201910734009 A CN201910734009 A CN 201910734009A CN 110435760 A CN110435760 A CN 110435760A
- Authority
- CN
- China
- Prior art keywords
- reversal valve
- steering
- deflecting roller
- deviation
- steering cylinder
- Prior art date
- 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.)
- Pending
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000001360 synchronised effect Effects 0.000 claims description 8
- 239000002828 fuel tank Substances 0.000 claims description 7
- 238000012790 confirmation Methods 0.000 claims description 3
- 230000008859 change Effects 0.000 description 3
- 238000011897 real-time detection Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
- B62D5/08—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle characterised by type of steering valve used
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
- B62D5/10—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle characterised by type of power unit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
- B62D5/30—Safety devices, e.g. alternate emergency power supply or transmission means to ensure steering upon failure of the primary steering means
Abstract
The present invention provides a kind of steering hydraulic systems with deviation-correcting function, including the first steering cylinder, first reversal valve, second reversal valve and the second steering cylinder, the rod chamber of first steering cylinder is connected to the rod chamber of the second steering cylinder, first reversal valve connects the rodless cavity of the first steering cylinder, the rod chamber and pipeline road of second steering cylinder, realize that pipeline road is connected to the rod chamber of the rodless cavity of the first steering cylinder or the second steering cylinder by the first reversal valve, second reversal valve connects the rodless cavity of the second steering cylinder, the rod chamber and pipeline road of first steering cylinder, realize that pipeline road is connected to the rod chamber of the rodless cavity of the second steering cylinder or the first steering cylinder by the second reversal valve.Steering hydraulic system of the invention integrates steering and deviation-correcting function, and overall structure is simplified.The present invention also provides a kind of method that the steering hydraulic system with deviation-correcting function is rectified a deviation, method for correcting error is easily operated.
Description
Technical field
The present invention relates to wheel steering technical fields, and in particular to a kind of steering hydraulic system with deviation-correcting function and correction
Method.
Background technique
Gantry type equipment generally uses a pair of or two pairs of deflecting rollers to realize walking and turn to, and a two turn in a pair of of deflecting roller
Need steering angle unanimously just to can guarantee equipment normal walking to wheel, if in a pair of of deflecting roller two deflecting rollers steering angle
Deviation occur will lead to two inconsistent situations of wheel wear, can also damage to equipment under serious situation, such as
The case where leading to torsion-beam.
Due to inevitably generating error when the complexity of road conditions is different and wheel processing, installation, one
Two deflecting rollers in deflecting roller are easy to generate nonsynchronous situation, therefore rectify a deviation the deflecting roller after deviation with regard to ten
Divide necessity.
In conclusion being badly in need of a kind of steering hydraulic system with deviation-correcting function and method for correcting error to solve to deposit in the prior art
The problem of.
Summary of the invention
It is an object of that present invention to provide a kind of steering hydraulic system with deviation-correcting function, specific technical solution is as follows:
A kind of steering hydraulic system with deviation-correcting function, including the first steering cylinder, the first reversal valve, the second reversal valve with
And second steering cylinder, first steering cylinder for driving the first deflecting roller to be turned to, use by second steering cylinder
In driving the second deflecting roller to be turned to, the rod chamber of first steering cylinder is connected to the rod chamber of the second steering cylinder,
First reversal valve connects the rod chamber and pipeline road of the rodless cavity of the first steering cylinder, the second steering cylinder, passes through
First reversal valve realizes that pipeline road is connected to the rod chamber of the rodless cavity of the first steering cylinder or the second steering cylinder, described the
Two reversal valves connect the rod chamber and pipeline road of the rodless cavity of the second steering cylinder, the first steering cylinder, change by second
It realizes that pipeline road is connected to the rod chamber of the rodless cavity of the second steering cylinder or the first steering cylinder to valve, passes through the first commutation
The first deflecting roller is realized in the cooperation of valve, the second reversal valve and pipeline road and the second deflecting roller is synchronous turns to and realize to the
One deflecting roller or the second deflecting roller are rectified a deviation.
Preferred in above technical scheme, the oil cylinder parameter of first steering cylinder and the oil cylinder of the second steering cylinder are joined
Number is identical.
Preferred in above technical scheme, the pipeline road includes oil pump, third reversal valve and fuel tank, and the third is changed
The first reversal valve and the second reversal valve are connected to valve one end, the other end connects oil pump and fuel tank, changes by the first reversal valve, second
It realizes the first deflecting roller and the synchronous steering of the second deflecting roller to the cooperation of valve and third reversal valve and realizes and turned to first
Wheel or the second deflecting roller are rectified a deviation.
Preferred in above technical scheme, first reversal valve, the second reversal valve and third reversal valve are electromagnetism
Any one or more combination in valve, pilot operated valve device or hand control valve.
It is preferred in above technical scheme, it further include first sensor and second sensor, the first sensor is used for
First deflecting roller is detected, the second sensor is for detecting the second deflecting roller.
Preferred in above technical scheme, the first sensor is used to detect the rotational angle or first of the first deflecting roller
The stroke of steering cylinder, the second sensor is for detecting the rotational angle of the second deflecting roller or stretching for the second steering cylinder
Contracting amount.
It is preferred in above technical scheme, it further include controller, the first sensor, the first reversal valve, the second commutation
Valve, second sensor and third reversal valve are electrically connected with the controller, and control the first reversal valve, the second commutation by controller
Valve and third commutation valve events realize that the first deflecting roller and the second deflecting roller turn to, and pass through first sensor, second sensor
And controller cooperation is realized and is rectified a deviation to the first deflecting roller or the second deflecting roller.
Preferred in above technical scheme, first reversal valve and the second reversal valve are two position four-way solenoid valves or two
Three-way magnetic valve, the third reversal valve are three position four-way electromagnetic valve.
It applies the technical scheme of the present invention, has the advantages that
(1) steering hydraulic system of the invention with deviation-correcting function is changed including the first steering cylinder, the first reversal valve, second
To valve and the second steering cylinder, the rod chamber of the first steering cylinder is connected to the rod chamber of the second steering cylinder, i.e., first
The first steering cylinder and the second steering cylinder synchronization action may be implemented in steering cylinder and the series connection of the second steering cylinder, to realize
First deflecting roller and the synchronous purpose turned to of the second deflecting roller, synchronization accuracy are high；First reversal valve is set and the second reversal valve can
To realize the steering angle when the first deflecting roller and the second deflecting roller go out and turn now to deviation to the first deflecting roller or the second deflecting roller
Degree is corrected, and accumulation of guarding against deviations damages equipment.
(2) the oil cylinder parameter of steering hydraulic system the first steering cylinder of the invention with deviation-correcting function and the second steering oil
The oil cylinder parameter of cylinder is identical (i.e. the cylinder diameter of the first steering cylinder and bar diameter are equal with the cylinder diameter of the second steering cylinder and bar diameter), has
The synchronism of the first steering cylinder of guarantee of effect and the movement of the second steering cylinder, reduces by the first deflecting roller and the second deflecting roller occurs
The case where deviation.
(3) steering hydraulic system of the invention with deviation-correcting function further includes third reversal valve, and the first reversal valve, second are changed
Cooperate to valve and third reversal valve so that steering hydraulic system of the invention integrates steering and correction, to the first steering
Without detaching pipelines or increase pipeline when wheel or the second deflecting roller are rectified a deviation, be conducive to the efficiency for improving correction.
(4) steering hydraulic system of the invention with deviation-correcting function further includes controller, first sensor and the second biography
Sensor, by first sensor and second sensor can with the steering angle of real-time detection the first deflecting roller and the second deflecting roller,
The deviation of discovery between the two in time, to achieve the purpose that remind staff；It may be implemented by controller to first turn
Automatic deviation correction is carried out to wheel or the second deflecting roller, participates in correction, high degree of automation without manpower.
The present invention also provides a kind of methods that the above-mentioned steering hydraulic system with deviation-correcting function is rectified a deviation, including such as
Lower step:
Step A: whether there is deviation between the steering angle of the first deflecting roller of confirmation and the steering angle of the second deflecting roller, if
There are deviations then to carry out next step；
Step B: on the basis of the steering angle of the first deflecting roller, switch the working condition of the first reversal valve and pass through second
The steering angle that steering cylinder controls the second deflecting roller is consistent with the first deflecting roller；Either, with the steering angle of the second deflecting roller
On the basis of degree, switch the second reversal valve working condition and by the first steering cylinder control the first deflecting roller steering angle with
Second deflecting roller is consistent.
Method for correcting error of the invention is easily operated, by can effectively guarantee the first deflecting roller and the second deflecting roller after correction
Steering angle it is consistent, reduce because turn to generate deviation caused by equipment damage probability.
Other than objects, features and advantages described above, there are also other objects, features and advantages by the present invention.
Below with reference to figure, the present invention is described in further detail.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the schematic illustration of steering hydraulic system in embodiment 1；
Fig. 2 is the schematic illustration of steering hydraulic system in embodiment 2；
Wherein, the 1, first deflecting roller, 2, first sensor, the 3, first steering cylinder, the 4, first reversal valve, 5, oil pump, 6,
Second reversal valve, the 7, second steering cylinder, 8, second sensor, the 9, second deflecting roller, 10, controller, 11, third reversal valve,
12, fuel tank.
Specific embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be limited according to claim
Fixed and covering multitude of different ways is implemented.
Embodiment 1:
Referring to Fig. 1, a kind of steering hydraulic system with deviation-correcting function, including the first steering cylinder 3, the first reversal valve 4,
Two reversal valves 6 and the second steering cylinder 7, first steering cylinder 3 are described for driving the first deflecting roller 1 to be turned to
For driving the second deflecting roller 9 to be turned to, the rod chamber of first steering cylinder 3 and second turns to second steering cylinder 7
The rod chamber of oil cylinder 7 is connected to, and first reversal valve 4 connects the rodless cavity of the first steering cylinder 3, the second steering cylinder 7 has
Rod cavity and pipeline road realize rodless cavity or the second steering of pipeline road and the first steering cylinder 3 by the first reversal valve 4
The rod chamber of oil cylinder 7 is connected to, and second reversal valve 6 connects the rodless cavity of the second steering cylinder 7, the first steering cylinder 3 has
Rod cavity and pipeline road realize rodless cavity or the first steering of pipeline road and the second steering cylinder 7 by the second reversal valve 6
The rod chamber of oil cylinder 3 is connected to, and realizes the first deflecting roller by the cooperation of the first reversal valve 4, the second reversal valve 6 and pipeline road
1 steering synchronous with the second deflecting roller 9 and realization rectify a deviation to the first deflecting roller 1 or the second deflecting roller 9.
The oil cylinder parameter of first steering cylinder 3 is identical as the oil cylinder parameter of the second steering cylinder 7, i.e., first turn described
Cylinder diameter and bar diameter to oil cylinder 3 is equal with the cylinder diameter of the second steering cylinder 7 and bar diameter
The pipeline road includes oil pump 5, third reversal valve 11 and fuel tank 12,11 one end of third reversal valve connection the
One reversal valve 4 and the second reversal valve 6, the other end connect oil pump 5 and fuel tank 12, by the first reversal valve 4, the second reversal valve 6 with
And the cooperation of third reversal valve 11 realizes the steering synchronous with the second deflecting roller 9 of the first deflecting roller 1 and realization to the first deflecting roller 1
Or second deflecting roller 9 rectify a deviation.
The working principle of steering hydraulic system of the present invention are as follows: be with the right-hand rotation synchronous with the second deflecting roller 9 of the first deflecting roller 1
Example, pressure oil enters in the rodless cavity of the first steering cylinder 3 by the first reversal valve 4, in 3 rod chamber of the first steering cylinder
Pressure oil enters in the rod chamber of the second steering cylinder 7, and pressure oil is through the second reversal valve stream in 7 rodless cavity of the second steering cylinder
Out, in this process, the first steering cylinder 3 stretches out the first deflecting roller 1 of driving and turns right, and the second steering cylinder 7 retracts driving the
Two deflecting rollers 9 are turned right.
The working principle of correction are as follows: it is turned right in place with the first deflecting roller, and for the second deflecting roller is not turned right in place, switching
The working condition of first reversal valve, so that pressure oil is entered directly into through the first reversal valve in the rod chamber of the second steering cylinder 7
Continue that the second steering cylinder 7 is driven to retract, so that the second deflecting roller 9 is turned right in place.
First reversal valve 4, the second reversal valve 6 and third reversal valve 11 are solenoid valve, pilot operated valve device or control manually
Any one or more combination in valve processed.First reversal valve 4, the second reversal valve 6 and third reversal valve 11 in the present embodiment
Both preferably solenoid valve.
The steering hydraulic system further includes first sensor 2 and second sensor 8, the first sensor 2 for pair
First deflecting roller 1 is detected, and the second sensor 8 is for detecting the second deflecting roller 9.
The first sensor 2 is used to detect the rotational angle of the first deflecting roller 1 or the stroke of the first steering cylinder 3,
The second sensor 8 is used to detect the rotational angle of the second deflecting roller 9 or the stroke of the second steering cylinder 7.
What first sensor and second sensor detected in the present embodiment is rotational angle, first sensor and the second sensing
Device is preferably angular transducer.
The steering hydraulic system further includes controller 10, the first sensor 2, the first reversal valve 4, the second reversal valve
6, second sensor 8 and third reversal valve 11 are electrically connected with the controller, and control the first reversal valve 4, the by controller 10
Two reversal valves 6 and the movement of third reversal valve 11 realize that the first deflecting roller 1 and the second deflecting roller 9 turn to, and pass through first sensor
2, second sensor 8 and the cooperation of controller 10 are realized and are rectified a deviation to the first deflecting roller 1 or the second deflecting roller 9.
The controller is preferably PLC.Pass through first sensor and corresponding first deflecting roller of second sensor real-time detection
With the steering angle of the second deflecting roller and feed back to controller, controller determines that the first deflecting roller and second turns to after comparison
Whether wheel finds deviation, then prompts staff by way of buzzing or bright light in case of deviation.
First reversal valve 4 and the second reversal valve 6 are two position four-way solenoid valves or two-bit triplet solenoid valve, the third
Reversal valve 11 is three position four-way electromagnetic valve.
The method that the steering hydraulic system with deviation-correcting function is rectified a deviation, which comprises the steps of:
Step A: whether there is deviation between the steering angle of the first deflecting roller 1 of confirmation and the steering angle of the second deflecting roller 9,
Deviation then carries out next step if it exists；
Step B: on the basis of the steering angle of the first deflecting roller 1, switch the working condition of the first reversal valve 4 and by the
The steering angle and the first deflecting roller 1 that two steering cylinders 7 control the second deflecting roller 9 are unanimously；Either, with the second deflecting roller 9
On the basis of steering angle, switches the working condition of the second reversal valve 6 and the first deflecting roller 1 is controlled by the first steering cylinder 3
Steering angle and the second deflecting roller 9 are consistent.
Embodiment 2:
Referring to fig. 2, the distinctive points of the present embodiment and embodiment 1 are the first reversal valve and the second reversal valve is to manually control
Valve, preferably ball valve, not set controller, first sensor and second sensor in the present embodiment.
The working principle and method for correcting error of the present embodiment are same as Example 1, straight by staff in the present embodiment
It connects the first deflecting roller of observation and whether the second deflecting roller deviates, then rectify a deviation, i.e., cut manually manually if there is deviation
Change the working condition of the first reversal valve or the second reversal valve.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of steering hydraulic system with deviation-correcting function, which is characterized in that including the first steering cylinder (3), the first reversal valve
(4), the second reversal valve (6) and the second steering cylinder (7), first steering cylinder (3) is for driving the first deflecting roller (1)
It is turned to, second steering cylinder (7) is for driving the second deflecting roller (9) to be turned to, first steering cylinder (3)
Rod chamber be connected to the rod chamber of the second steering cylinder (7), first reversal valve (4) connection the first steering cylinder (3)
The rod chamber and pipeline road of rodless cavity, the second steering cylinder (7) realize pipeline road and the by the first reversal valve (4)
The rod chamber connection of the rodless cavity or the second steering cylinder (7) of one steering cylinder (3), the second reversal valve (6) connection second
The rod chamber and pipeline road of the rodless cavity of steering cylinder (7), the first steering cylinder (3) pass through the second reversal valve (6) and realize
Pipeline road is connected to the rod chamber of the rodless cavity of the second steering cylinder (7) or the first steering cylinder (3), passes through the first reversal valve
(4), the second reversal valve (6) and pipeline road cooperation realize the first deflecting roller (1) it is synchronous with the second deflecting roller (9) turn to
And it realizes and rectifies a deviation to the first deflecting roller (1) or the second deflecting roller (9).
2. the steering hydraulic system according to claim 1 with deviation-correcting function, which is characterized in that first steering cylinder
(3) oil cylinder parameter is identical as the oil cylinder parameter of the second steering cylinder (7).
3. the steering hydraulic system according to claim 1 with deviation-correcting function, which is characterized in that the pipeline road includes
Oil pump (5), third reversal valve (11) and fuel tank (12), described third reversal valve (11) one end connection the first reversal valve (4) and the
Two reversal valves (6), the other end connect oil pump (5) and fuel tank (12), pass through the first reversal valve (4), the second reversal valve (6) and the
The cooperation of three reversal valves (11) realizes that the first deflecting roller (1) steering synchronous with the second deflecting roller (9) and realization are turned to first
Wheel (1) or the second deflecting roller (9) are rectified a deviation.
4. the steering hydraulic system according to claim 3 with deviation-correcting function, which is characterized in that first reversal valve
(4), the second reversal valve (6) and third reversal valve (11) are any one in solenoid valve, pilot operated valve device or hand control valve
Or multiple combinations.
5. the steering hydraulic system according to claim 3 with deviation-correcting function, which is characterized in that further include first sensor
(2) and second sensor (8), the first sensor (2) are used to detect the first deflecting roller (1), second sensing
Device (8) is for detecting the second deflecting roller (9).
6. the steering hydraulic system according to claim 5 with deviation-correcting function, which is characterized in that the first sensor
(2) for detecting the rotational angle of the first deflecting roller (1) or the stroke of the first steering cylinder (3), the second sensor (8)
For detecting the rotational angle of the second deflecting roller (9) or the stroke of the second steering cylinder (7).
7. the steering hydraulic system according to claim 6 with deviation-correcting function, which is characterized in that further include controller
(10), the first sensor (2), the first reversal valve (4), the second reversal valve (6), second sensor (8) and third commutation
Valve (11) is electrically connected with the controller, and passes through controller (10) control the first reversal valve (4), the second reversal valve (6) and third
Reversal valve (11) movement realizes that the first deflecting roller (1) and the second deflecting roller (9) turn to, and passes through first sensor (2), the second sensing
Device (8) and controller (10) cooperation are realized and are rectified a deviation to the first deflecting roller (1) or the second deflecting roller (9).
8. the steering hydraulic system according to claim 7 with deviation-correcting function, which is characterized in that first reversal valve
(4) and the second reversal valve (6) is two position four-way solenoid valves or two-bit triplet solenoid valve, and the third reversal valve (11) is three four
Three-way electromagnetic valve.
9. a kind of side that the steering hydraulic system with deviation-correcting function as described in any one of claim 1-8 is rectified a deviation
Method, which comprises the steps of:
Step A: whether there is deviation between the steering angle of confirmation the first deflecting roller (1) and the steering angle of the second deflecting roller (9),
Deviation then carries out next step if it exists；
Step B: on the basis of the steering angle of the first deflecting roller (1), switch the working condition of the first reversal valve (4) and by the
The steering angle and the first deflecting roller (1) that two steering cylinders (7) control the second deflecting roller (9) are unanimously；Either, it is turned to second
On the basis of the steering angle for taking turns (9), switch the working condition of the second reversal valve (6) and by the first steering cylinder (3) control the
The steering angle and the second deflecting roller (9) of one deflecting roller (1) are consistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910734009.8A CN110435760A (en) | 2019-08-09 | 2019-08-09 | A kind of steering hydraulic system and method for correcting error with deviation-correcting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910734009.8A CN110435760A (en) | 2019-08-09 | 2019-08-09 | A kind of steering hydraulic system and method for correcting error with deviation-correcting function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110435760A true CN110435760A (en) | 2019-11-12 |
Family
ID=68434427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910734009.8A Pending CN110435760A (en) | 2019-08-09 | 2019-08-09 | A kind of steering hydraulic system and method for correcting error with deviation-correcting function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110435760A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022094994A1 (en) * | 2020-11-07 | 2022-05-12 | 宁德时代新能源科技股份有限公司 | Steering mechanism, vehicle, and apparatus and method for preparing steering mechanism |
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| JP2007290621A (en) * | 2006-04-26 | 2007-11-08 | Kobelco Cranes Co Ltd | Multi-axle vehicle |
| CN201661532U (en) * | 2010-04-02 | 2010-12-01 | 北京华强京工机械制造有限公司 | Hydraulic pumping system of concrete pump |
| CN102019834A (en) * | 2010-12-10 | 2011-04-20 | 徐州重型机械有限公司 | Wheel crane and suspension hydraulic system thereof |
| CN106741156A (en) * | 2016-11-25 | 2017-05-31 | 航天重型工程装备有限公司 | A kind of single drag link hydraulic steering system and method |
| CN210592117U (en) * | 2019-08-09 | 2020-05-22 | 湖南五新隧道智能装备股份有限公司 | Steering hydraulic system with deviation correcting function |
-
2019
- 2019-08-09 CN CN201910734009.8A patent/CN110435760A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007290621A (en) * | 2006-04-26 | 2007-11-08 | Kobelco Cranes Co Ltd | Multi-axle vehicle |
| CN201661532U (en) * | 2010-04-02 | 2010-12-01 | 北京华强京工机械制造有限公司 | Hydraulic pumping system of concrete pump |
| CN102019834A (en) * | 2010-12-10 | 2011-04-20 | 徐州重型机械有限公司 | Wheel crane and suspension hydraulic system thereof |
| CN106741156A (en) * | 2016-11-25 | 2017-05-31 | 航天重型工程装备有限公司 | A kind of single drag link hydraulic steering system and method |
| CN210592117U (en) * | 2019-08-09 | 2020-05-22 | 湖南五新隧道智能装备股份有限公司 | Steering hydraulic system with deviation correcting function |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022094994A1 (en) * | 2020-11-07 | 2022-05-12 | 宁德时代新能源科技股份有限公司 | Steering mechanism, vehicle, and apparatus and method for preparing steering mechanism |
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