CN204753689U - Scraper ride performance control hydraulic system - Google Patents
Scraper ride performance control hydraulic system Download PDFInfo
- Publication number
- CN204753689U CN204753689U CN201520315480.0U CN201520315480U CN204753689U CN 204753689 U CN204753689 U CN 204753689U CN 201520315480 U CN201520315480 U CN 201520315480U CN 204753689 U CN204753689 U CN 204753689U
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- China
- Prior art keywords
- scraper
- ride performance
- valve
- lift cylinder
- accumulator
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Abstract
The utility model discloses a scraper ride performance control hydraulic system, the hydraulic pressure lock that include lift cylinder, is connected with lift cylinder, lift cylinder still is connected with ride performance valve unit, ride performance valve unit is including the pressure sensor, electromagnetic switch valve, energy storage ware and the relief valve that connect gradually, energy storage ware and relief valve are connected with the oil tank respectively. The utility model discloses an increase ride performance valve unit, can be in the scraper transportation, lift cylinder lifts up slightly, big arm passes through the energy storage ware intercommunication of lift cylinder piston chamber and ride performance control valve, when the vehicle traveles on the road surface of injustice, because the road surface is strikeed, the energy storage ware can the uneven vibration that causes of active absorption tunnel height, the frame transmits the load of the frame and the middle articulated body before reducing, effectively protect the bearing, improve the travelling comfort of driver's cabin, increase the whole life of frame, the car maintenance cost is put in order to effective the reduction, the efficiency of the equipment utilization is improved.
Description
Technical field
The utility model relates to a kind of scraper ride performance hydraulic control system, particularly relates to a kind of underground carry scraper ride performance hydraulic control system.
Background technology
Underground carry scraper is also known as underground loader, that one is advanced by tire, and rely on front fuselage scraper bowl to carry out the plant equipment of loading and unloading and transporting, it has, and volume be little, compact conformation, the feature such as flexible, be widely used in the digging operation of mine and underground construction.
The continuous progress of metal current mining technology and computer technology, the intelligent level of underground carry scraper is more and more higher.Because in scraper work under bad environment and scraper heavy loads, transportation range is longer, in scraper transportation, equipment bears larger shock loading, this load finally acts on middle hinged and Rear frame position by front frame, increase the fatigue stress of vehicle frame and articulated body, reduce the comfortableness of driver's cabin, greatly reduce the application life of vehicle, increase equipment maintenance cost.
Scraper actual load in transportation changes greatly, so that the load difference that front-rear axle bears is comparatively large, and result makes body vibrations offset frequency generation larger difference on front/rear frame.Under the condition that rigidity is constant, load reduction can cause frequency to increase, and ride comfort is deteriorated.When rough road travels, due to road shocks, Suspension Deformation greatly increases, and likely makes suspension and vehicle frame bump against, and produces and impacts, destroy ride comfort to vehicle body.Its rigidity of Nonlinear Suspension System can change with load, increases suspension angular rigidity simultaneously, body roll and oscillation crosswise is alleviated, is conducive to improving intact stability.Nonlinear Suspension System is more suitable for scraper and improves ride comfort.
Utility model content
For solving the deficiencies in the prior art, the purpose of this utility model overcomes scraper the deficiencies in the prior art, provides the scraper ride performance hydraulic control system that a kind of structure is simple, cost performance is high, failure rate is low, ride performance are good.
The technical solution of the utility model is: a kind of scraper ride performance hydraulic control system, the hydraulic lock comprise elevating ram, being connected with elevating ram, it is characterized in that, described elevating ram is also connected with ride performance control valve group, described ride performance control valve group comprises the pressure sensor, electromagnetic switch valve, accumulator and the safety valve that connect successively, and described accumulator is connected with fuel tank respectively with safety valve.
Aforesaid a kind of scraper ride performance hydraulic control system, it is characterized in that, described pressure sensor is connected with pressure measuring tie-in.
Aforesaid a kind of scraper ride performance hydraulic control system, is characterized in that, be provided with off-load cone valve between described accumulator and described fuel tank.
Aforesaid a kind of scraper ride performance hydraulic control system, it is characterized in that, described accumulator is Accumulator.
Aforesaid a kind of scraper ride performance hydraulic control system, it is characterized in that, described accumulator is piston power accumulator.
The beneficial effect that the utility model reaches: the utility model is by increasing ride performance control valve group, can in scraper transportation, elevating ram lifts slightly, large arm is communicated with the accumulator of ride performance control valve by elevating ram plunger shaft, vehicle is when the road traveling of injustice, due to road shocks, accumulator effectively can absorb tunnel and to be uneven the vibration caused, reduce the load that front frame is delivered to vehicle frame and middle articulated body, available protecting bearing, improve the comfortableness of driver's cabin, increase the whole service life of vehicle frame, effective reduction car load maintenance cost, improve equipment efficiency of usage.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present utility model.
In figure: 1, hydraulic lock, 2, pressure measuring tie-in, 3, electromagnetic switch valve, 4, fuel tank, 5, off-load cone valve, 6, safety valve, 7, accumulator, 8, pressure sensor, 9, elevating ram.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is further described.Following examples only for clearly the technical solution of the utility model being described, and can not limit protection domain of the present utility model with this.
As shown in Figure 1, a kind of scraper ride performance hydraulic control system, the hydraulic lock 1 comprise elevating ram 9, being connected with elevating ram 9, described elevating ram 9 is also connected with ride performance control valve group V002.Described ride performance control valve group V002 comprises the pressure sensor 8, electromagnetic switch valve 3, accumulator 7 and the safety valve 6 that connect successively, and described accumulator 7 is connected with fuel tank 4 respectively with safety valve 6.Scraper is under severe impact, and safety valve 6 can be protected by teaching display stand, prevents booster and the generation of the cylinder phenomenon that rises.Described pressure sensor 8 is connected with pressure measuring tie-in 2, can realize automatic control by pressure sensor 8.Off-load cone valve 5 is provided with between described accumulator 7 and described fuel tank 4.Described accumulator 7 is Accumulator, also can be piston power accumulator.
The course of work: when underground carry scraper shovel dress material, electromagnetic switch valve 3 is in off-position, and now ride performance valve group V002 is inoperative, in the elevating ram 9 that hydraulic oil is entered by hydraulic lock 1, by maneuvering and control handle, thus industry pretended by the shovel realizing material.After underground carry scraper shovel installs into, scraper enters carrying state, now scraper bowl is in carrying position, Work machine boom falls, operating grip must mediate, the road speed of scraper must improve (second speed more than 5km/h), after only having controller to receive above-mentioned control signal, underground carry scraper just automatically switches to scraper ride control mode, under this pattern, swing arm lifts the limit switch arriving elevating ram 9 slightly, now electromagnetic switch valve 3 is energized, accumulator 7 is communicated with the plunger shaft of elevating ram 9, scraper is in the transportation of tunnel, shaft bottom, strong vibration can be produced, accumulator 7 effectively can absorb the vibration of equipment, when underground carry scraper keeps in repair, can off-load cone valve 5 be passed through, realize the off-load of accumulator 7, if vibrate very violent in scraper transportation, safety valve 6 can be opened automatically, prevents elevating ram to rise cylinder and protection pipeline safety, ensures whole ride performance hydraulic control security of system.If elevating ram 9 falls cross travel switch, controller starts variable pump automatically to system feed flow, until exceed the travel switch of elevating ram 9.By increasing ride performance control valve group V002, effectively can improve the comfortableness of driver's cabin, reducing the stress of articulated body and vehicle frame, improve the application life of scraper.
The above is only preferred embodiment of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model know-why; can also make some improvement and distortion, these improve and distortion also should be considered as protection domain of the present utility model.
Claims (5)
1. a scraper ride performance hydraulic control system, the hydraulic lock comprise elevating ram, being connected with elevating ram, it is characterized in that, described elevating ram is also connected with ride performance control valve group, described ride performance control valve group comprises the pressure sensor, electromagnetic switch valve, accumulator and the safety valve that connect successively, and described accumulator is connected with fuel tank respectively with safety valve.
2. a kind of scraper ride performance hydraulic control system according to claim 1, it is characterized in that, described pressure sensor is connected with pressure measuring tie-in.
3. a kind of scraper ride performance hydraulic control system according to claim 1, is characterized in that, be provided with off-load cone valve between described accumulator and described fuel tank.
4. a kind of scraper ride performance hydraulic control system according to claim 1, it is characterized in that, described accumulator is Accumulator.
5. a kind of scraper ride performance hydraulic control system according to claim 1, it is characterized in that, described accumulator is piston power accumulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520315480.0U CN204753689U (en) | 2015-05-15 | 2015-05-15 | Scraper ride performance control hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520315480.0U CN204753689U (en) | 2015-05-15 | 2015-05-15 | Scraper ride performance control hydraulic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204753689U true CN204753689U (en) | 2015-11-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520315480.0U Active CN204753689U (en) | 2015-05-15 | 2015-05-15 | Scraper ride performance control hydraulic system |
Country Status (1)
| Country | Link |
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| CN (1) | CN204753689U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438514A (en) * | 2016-10-31 | 2017-02-22 | 广西柳工机械股份有限公司 | Lateral unloading hydraulic system of loading machine |
-
2015
- 2015-05-15 CN CN201520315480.0U patent/CN204753689U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438514A (en) * | 2016-10-31 | 2017-02-22 | 广西柳工机械股份有限公司 | Lateral unloading hydraulic system of loading machine |
| CN106438514B (en) * | 2016-10-31 | 2017-12-15 | 广西柳工机械股份有限公司 | Loading machine side dumping hydraulic system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |