CN108562445A - A kind of hydraulic traveling mechanism testing equipment and test method - Google Patents
A kind of hydraulic traveling mechanism testing equipment and test method Download PDFInfo
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- CN108562445A CN108562445A CN201810662781.9A CN201810662781A CN108562445A CN 108562445 A CN108562445 A CN 108562445A CN 201810662781 A CN201810662781 A CN 201810662781A CN 108562445 A CN108562445 A CN 108562445A
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- control
- controller
- valve group
- proportional valve
- host computer
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a kind of hydraulic traveling mechanism testing equipments, apply in the walking test of caterpillar machinery, and testing equipment includes automatic control equipment；Wherein, automatic control equipment includes host computer, wireless module, controller and solenoid-operated proportional valve group；Host computer carries out instruction transmission to operating personnel；It is communicated wirelessly between wireless module and the host computer；Controller is connect with the wireless module, to receive the instruction that the host computer is assigned；Solenoid-operated proportional valve group is connect with controller, and controller controls solenoid-operated proportional valve group to realize walking test operation.It after automatically walk pattern, does not just need personnel and operates the computer, be not affected by human factors experiment progress, the walking test of caterpillar machinery can be executed for a long time, greatly improve test efficiency.
Description
Technical field
The present invention relates to controlling test field, specially a kind of hydraulic traveling mechanism testing equipment.
Background technology
Engineering machinery walking is tested, and is most basic test event, for caterpillar machinery, walking test it is comfortable
Degree is very different compared with wheel machine, and principal element is vibratory impulse, and running gear examines operation in addition to level land, also crosses barrier examination
It tests, the vibration for crossing barrier experiment is bigger compared with the vibratory impulse of level walking, and 10 minutes or so testing crews of general job will produce
It is raw uncomfortable, so testing crew cannot execute the walking test of caterpillar machinery for a long time, operation fatigue is will produce, therefore the effect that works
Rate is limited by human factor.
Engineering machinery walking experiment will not set special messenger and be responsible for this test event, generally adopt because proof strength is larger
It is operation by turns, different testing crew operating habits is also different, always there are certain operation inconsistence problems, that is, makees
Industry precision cannot be guaranteed.
Invention content
The purpose of the present invention is to provide a kind of hydraulic traveling mechanism testing equipments, to solve to propose in above-mentioned background technology
Operation fatigue, the problem of working efficiency is low and precision cannot be guaranteed.
To achieve the above object, the present invention provides the following technical solutions：
A kind of hydraulic traveling mechanism testing equipment, is applied in the walking test of caterpillar machinery, and testing equipment includes automatic
Control device；
Wherein, the automatic control equipment includes：
Host computer carries out instruction transmission to operating personnel；
It is communicated wirelessly between wireless module, with the host computer；
Controller is connect with the wireless module, to receive the instruction that the host computer is assigned；And
Solenoid-operated proportional valve group is connect with the controller, and the controller controls solenoid-operated proportional valve group to realize walking test
Operation.
Preferably, automatic control equipment further includes laser sensor；The laser sensor is connected with the controller,
When there is sideslip during automatically walk, the controller controls solenoid-operated proportional valve group according to the signal that laser sensor is passed back
Compensation walking sideslip.
Preferably, testing equipment further includes emergency stop on-off switch and emergency stop remote controler；The emergency stop on-off switch access
In dynamical system harness, main pump power supply is cut off by emergency stop remote controler, to cut off power.
Preferably, testing equipment further includes manual control equipment；Wherein, the manual control equipment includes control handle
And the pilot hydraulic control system being connected with control handle；Guide's hydraulic control and pass through commutation with solenoid-operated proportional valve group
Valve group is connect with walking multi-way valve, and the walking multi-way valve is connected with running motor；Operating personnel by automatic control equipment or
Person's manual control equipment realizes walking test operation.
A kind of test method based on hydraulic traveling mechanism testing equipment above-mentioned, this method are：By controlling host computer
Instruction is assigned to wireless module, wireless module will instruct converting transmission to controller, and it is next real that controller controls solenoid-operated proportional valve group
Existing walking operations；Wherein, there are more set control instructions in host computer, as needed by instruction issuing to controller.
Preferably, when there is sideslip during automatically walk, controller is controlled according to the signal that laser sensor is passed back
Solenoid-operated proportional valve group compensation walking sideslip.
Preferably, there is testing equipment failure when causing to walk out of control, passing through emergency stop remote controler (8) and control emergency stop
On-off switch cuts off main pump power supply, to cut off power.
A kind of test method based on hydraulic traveling mechanism testing equipment above-mentioned, this method are：When that need to manually control,
Commutation valve group is switched into pilot hydraulic control system, operating personnel execute walking operations by manipulation and control handle；When need from
When dynamic control, commutation valve group is switched into solenoid-operated proportional valve group, instruction is assigned to wireless module, wireless mould by controlling host computer
Block will instruct converting transmission to controller, and controller controls solenoid-operated proportional valve group to realize walking operations；
Wherein, there are more set control instructions in host computer, as needed by instruction issuing to controller.
Preferably, when there is sideslip during automatically walk, controller is controlled according to the signal that laser sensor is passed back
Solenoid-operated proportional valve group compensation walking sideslip.
Preferably, there is testing equipment failure and when causing to walk out of control, it is logical by emergency stop remote control control emergency stop
Disconnected switch cutoff main pump power supply, to cut off power.
Advantageous effect of the present invention：
Compared with prior art, the present invention assigns instruction to wireless module by controlling host computer, and wireless module converts instruction
It is transferred to controller, controller controls solenoid-operated proportional valve group to realize walking operations, after automatically walk pattern, just do not need
Personnel operate the computer, and are not affected by human factors experiment progress, can execute the walking test of caterpillar machinery for a long time, carry significantly
Test efficiency is risen.Compared with existing remote control technology, operating personnel's real time remote control is not needed, realizes semi-automatic control
Pattern, have in host computer cover control instructions, instruction issuing can be realized into several work pattern to controller as needed,
And homework precision can be guaranteed.When that need to manually control, commutation valve group is switched into pilot hydraulic control system, two liquid
Pressure control system is mutual indepedent, does not interfere with each other.
Description of the drawings
Fig. 1 is control principle schematic block diagram of the present invention；
Fig. 2 is hydraulic schematic diagram of the present invention.
Specific implementation mode
Below in conjunction with Fig. 1, the invention will be further described.
As shown in Fig. 1, a kind of hydraulic traveling mechanism testing equipment, including automatic control equipment and manual control equipment；From
Dynamic control device includes that host computer 1, wireless module 2, controller 3, solenoid-operated proportional valve group 4, laser positioning sensor 5, emergency stop are logical
It disconnects and closes 7, emergency stop remote controler 8.Manual control equipment includes handle 11 and pilot hydraulic control system 12.
Host computer 1 is connect with wireless module 2 by wireless telecommunications, and wireless module 2 is connect with controller 3, controller 3 and electricity
Magnetic ratio valve group 4 connects, and pilot hydraulic control system 12 and solenoid-operated proportional valve group 4 pass through valve group 6 and the walking multi-way valve 13 of commutating
Connection, emergency stop on-off switch 7 access in 9 harness of dynamical system, and emergency stop remote controler 8 passes through radio control emergency stop on-off switch
7.Instruction is assigned to wireless module 2 by controlling host computer 1, and wireless module 2 will instruct converting transmission to controller 3, controller 3
Solenoid-operated proportional valve group 4 is controlled to realize walking operations.After automatically walk pattern, it is not affected by human factors experiment progress,
The walking test that caterpillar machinery can be executed for a long time, greatly improves test efficiency.There are more set control instructions in host computer 1,
Instruction issuing can be realized into several work pattern, and homework precision can be guaranteed to controller 3 as needed.
It is possible that deviation phenomenon, controller 3 pass through according to the signal that laser sensor 5 is passed back during automatically walk
Plug-in controls solenoid-operated proportional valve group 4 and compensates walking sideslip.
In order to prevent testing equipment failure and lead to risk out of control of walking, a urgency has been accessed in 9 harness of dynamical system
Stop on-off switch 7,10 power supply of main pump can be cut off by emergency stop remote controler 8 when accident occurs, to cut off power.The device with it is upper
Position machine control system is mutual indepedent, belongs to Parallel Design, reliability is correspondingly improved.
Present hydraulic system is described further below in conjunction with Fig. 2.
When that need to manually control, commutation valve group 6 is switched into pilot hydraulic control system 12, it, will when that need to automatically control
The valve group that commutates switches 6 to solenoid-operated proportional valve group 4.The hydraulic system of general hydraulic machinery is divided into this flow and minus flow hydraulic control
System, the present invention cuts off stoste pressure control system by switching commutation valve group, so do not influenced by stoste pressure control system, therefore can
It is general in positive flow and minus flow type.
Solenoid-operated proportional valve group is used in this automatic control device, can control its traveling according to actual tests demand
Speed, direction etc..
Technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described example is only
A part of the embodiment of the present invention, instead of all the embodiments.Based on the example in the present invention, those of ordinary skill in the art exist
The every other embodiment obtained under the premise of creative work is not made, shall fall within the protection scope of the present invention.
Claims (10)
1. a kind of hydraulic traveling mechanism testing equipment, is applied in the walking test of caterpillar machinery, which is characterized in that experiment
Equipment includes automatic control equipment；
Wherein, the automatic control equipment includes：
Host computer（1）, instruction transmission is carried out to operating personnel；
Wireless module（2）, with the host computer（1）Between communicate wirelessly；
Controller（3）, with the wireless module（1）Connection, to receive the host computer（1）The instruction assigned；And
Solenoid-operated proportional valve group (4), with the controller（3）Connection, controller (3) the control solenoid-operated proportional valve group (4) are come
Realize walking test operation.
2. a kind of hydraulic traveling mechanism testing equipment according to claim 1, it is characterised in that：Automatic control equipment also wraps
Include laser sensor (5)；
The laser sensor (5) and the controller（3）It is connected, when there is sideslip during automatically walk, the control
Device (3) compensates walking sideslip according to the signal control solenoid-operated proportional valve group (4) that laser sensor (5) is passed back.
3. a kind of hydraulic traveling mechanism testing equipment according to claim 1, it is characterised in that：Testing equipment further includes urgency
Stop on-off switch (7) and emergency stop remote controler (8)；
Emergency stop on-off switch (7) access is in dynamical system（9）In harness, main pump is cut off by emergency stop remote controler (8)（10）
Power supply, to cut off power.
4. a kind of hydraulic traveling mechanism testing equipment according to any one of claims 1 to 3, it is characterised in that：Experiment is set
Standby further includes manual control equipment；
Wherein, the manual control equipment includes control handle（11）And with control handle（11）Connected guide's hydraulic control
System（12）；
Guide's hydraulic control（12）Pass through valve group (6) and the walking multi-way valve of commutating with solenoid-operated proportional valve group (4)（13）Even
It connects, the walking multi-way valve（13）With running motor（14）It is connected；
Operating personnel realize walking test operation by automatic control equipment or manual control equipment.
5. a kind of test method based on claims 1 to 3 any one of them hydraulic traveling mechanism testing equipment, feature exist
In this method is：
By controlling host computer（1）Instruction is assigned to wireless module（2）, wireless module（2）Converting transmission will be instructed to controller
（3）, controller（3）Control solenoid-operated proportional valve group（4）To realize walking operations；
Wherein, host computer（1）Inside there are more set control instructions, as needed by instruction issuing to controller（3）.
6. hydraulic traveling mechanism test method according to claim 5, it is characterised in that：It is run during automatically walk
When inclined, controller（3）According to laser sensor（5）The signal control solenoid-operated proportional valve group passed back（4）Compensation walking sideslip.
7. hydraulic traveling mechanism test method according to claim 5, it is characterised in that：There is testing equipment failure
And when causing to walk out of control, emergency stop on-off switch (7) is controlled by emergency stop remote controler (8) and cuts off main pump（10）Power supply, to cut
Disconnected power.
8. a kind of test method based on the hydraulic traveling mechanism testing equipment described in claim 4, which is characterized in that this method
For：
When that need to manually control, by the valve group that commutates（6）Switch to pilot hydraulic control system（12）, operating personnel are by manipulating control
Handle processed（11）Execute walking operations；
When that need to automatically control, by the valve group that commutates（6）Switch to solenoid-operated proportional valve group（4）, by controlling host computer（1）Assign finger
It enables to wireless module（2）, wireless module（2）Converting transmission will be instructed to controller（3）, controller（3）Control electromagnetic proportional valve
Group（4）To realize walking operations；
Wherein, host computer（1）Inside there are more set control instructions, as needed by instruction issuing to controller（3）.
9. hydraulic traveling mechanism test method according to claim 8, it is characterised in that：It is run during automatically walk
When inclined, controller（3）According to laser sensor（5）The signal control solenoid-operated proportional valve group passed back（4）Compensation walking sideslip.
10. hydraulic traveling mechanism test method according to claim 8, it is characterised in that：There is testing equipment failure
And when causing to walk out of control, emergency stop on-off switch (7) is controlled by emergency stop remote controler (8) and cuts off main pump（10）Power supply, to cut
Disconnected power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810662781.9A CN108562445A (en) | 2018-06-25 | 2018-06-25 | A kind of hydraulic traveling mechanism testing equipment and test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810662781.9A CN108562445A (en) | 2018-06-25 | 2018-06-25 | A kind of hydraulic traveling mechanism testing equipment and test method |
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| Publication Number | Publication Date |
|---|---|
| CN108562445A true CN108562445A (en) | 2018-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810662781.9A Pending CN108562445A (en) | 2018-06-25 | 2018-06-25 | A kind of hydraulic traveling mechanism testing equipment and test method |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1333183A2 (en) * | 2002-02-04 | 2003-08-06 | Kobelco Construction Machinery Co., Ltd. | Control system and control method for hydraulic working machine |
| CN102251545A (en) * | 2011-04-28 | 2011-11-23 | 上海三一重机有限公司 | Electrical control system for electric excavator |
| CN202102584U (en) * | 2011-05-21 | 2012-01-04 | 山河智能装备股份有限公司 | Intelligent remote control device for engineering machinery |
| CN104677582A (en) * | 2015-02-11 | 2015-06-03 | 青岛雷沃挖掘机有限公司 | Walking vibration test method for excavator |
| CN204904066U (en) * | 2015-06-25 | 2015-12-23 | 西北农林科技大学 | Electrical system of multi -functional track operation car |
| CN106094807A (en) * | 2016-08-09 | 2016-11-09 | 山东交通学院 | A kind of moving control system of paver analogue experiment installation and experimental technique |
| CN107747331A (en) * | 2017-05-03 | 2018-03-02 | 柳州柳工挖掘机有限公司 | Crawler-mounted excavator auto-manual walking hydra-electric system |
| CN208350383U (en) * | 2018-06-25 | 2019-01-08 | 徐州徐工挖掘机械有限公司 | Hydraulic traveling mechanism testing equipment |
-
2018
- 2018-06-25 CN CN201810662781.9A patent/CN108562445A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1333183A2 (en) * | 2002-02-04 | 2003-08-06 | Kobelco Construction Machinery Co., Ltd. | Control system and control method for hydraulic working machine |
| CN102251545A (en) * | 2011-04-28 | 2011-11-23 | 上海三一重机有限公司 | Electrical control system for electric excavator |
| CN202102584U (en) * | 2011-05-21 | 2012-01-04 | 山河智能装备股份有限公司 | Intelligent remote control device for engineering machinery |
| CN104677582A (en) * | 2015-02-11 | 2015-06-03 | 青岛雷沃挖掘机有限公司 | Walking vibration test method for excavator |
| CN204904066U (en) * | 2015-06-25 | 2015-12-23 | 西北农林科技大学 | Electrical system of multi -functional track operation car |
| CN106094807A (en) * | 2016-08-09 | 2016-11-09 | 山东交通学院 | A kind of moving control system of paver analogue experiment installation and experimental technique |
| CN107747331A (en) * | 2017-05-03 | 2018-03-02 | 柳州柳工挖掘机有限公司 | Crawler-mounted excavator auto-manual walking hydra-electric system |
| CN208350383U (en) * | 2018-06-25 | 2019-01-08 | 徐州徐工挖掘机械有限公司 | Hydraulic traveling mechanism testing equipment |
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