CN205273602U - Articulated formula tipper emergency steering system - Google Patents
Articulated formula tipper emergency steering system Download PDFInfo
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- CN205273602U CN205273602U CN201520956081.2U CN201520956081U CN205273602U CN 205273602 U CN205273602 U CN 205273602U CN 201520956081 U CN201520956081 U CN 201520956081U CN 205273602 U CN205273602 U CN 205273602U
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Abstract
The utility model discloses an articulated formula tipper emergency steering system, include: reversing motor subassembly, second high pressure filter, two tee bend switching -over valve, overflow valve and second check valves of liquid accuse, the reversing motor subassembly links to each other with the power of the getting mouth of transfer case. Useful part lies in: the utility model discloses a simple structure of emergency steering system is compact, and easily production processing, installation maintain and the pipeline layout, adopts two tee bends switching -over valves of liquid accuse as normal direction of rotation and the change over switch of emergency steering system, ensure to turn to power continuously reliably, system switching response speed is fast, furthermore, the utility model discloses well adoption reversing motor subassembly is as the emergency steering power supply to can both provide reliable emergency steering function when the vehicle gos forward or reverse, need not to switch the transmission direction, improve the operation convenience, fill market vacancy, have good popularization prospect.
Description
Technical field
The utility model relates to a kind of emergent steering, is specifically related to the emergent steering of a kind of hinged wagon tremie.
Background technology
Hydraulic power steering system is generally made up of steering pump, diverter, course changing control valve, power steering oil cylinder, mainly contains hydro-steering and hydraulic power-assisted steering two kinds of forms. Hinged wagon tremie steering generally all adopts hydraulic power steering, but when occurring that steering hydraulic propulsion source inefficacy unforeseen circumstances or whole car generation fault are pulled, hydraulic power steering system just can not play a role, and on the basis of normal steering, the emergent steering of configuration realizes emergent turning to usually for this reason.
At present, the emergent steering of hinged wagon tremie mainly contains two kinds of modes: one is that energy storage is as emergent steering propulsion source, during vehicle operation, steering pump is oil-filled to energy storage, when flame-out of engine occurs in vehicle or normal steering lost efficacy, energy storage exports steering power as emergency power supply; Two is use hydro-pump as emergent steering power source, and hydro-pump is connected with transfer case or bridge case, as long as vehicle wheel rotation just can drive hydraulic pump works.
But, when energy storage is as the emergent steering of propulsion source, the installation space that main shortcoming is required is bigger, and this hinged wagon tremie little in compact construction space seems particularly outstanding, it is provided that emergent steering capability very limited. And hydro-pump is as the emergent steering of propulsion source, main shortcoming be hydro-pump can only single direction rotation, must oppositely switch transmission direction when reversing, shifter complex structure, control difficulty. Visible, the equal Shortcomings part of two kinds of emergent steering of the prior art, needs improvement badly.
Practical novel content
For solving the deficiencies in the prior art, the purpose of this utility model there are provided that a kind of response is sensitive, simple and compact for structure, steering power continues the emergent steering of reliable hinged wagon tremie.
In order to realize above-mentioned target, the utility model adopts following technical scheme:
The emergent steering of a kind of hinged wagon tremie, comprise: two-way motor assembly, 2nd high pressure filter, hydraulic control two-bit triplet reversing valve, surplus valve and the 2nd check valve, described two-way motor assembly is connected with the power taking mouth of transfer case, the oil suction of described two-way motor assembly is connected with fuel tank and is provided with the 3rd check valve on oil circuit between the two, the oil outlet of two-way motor assembly is connected with the 2nd high pressure filter entrance, the outlet of described 2nd high pressure filter is connected to hydraulic control two-bit triplet reversing valve and surplus valve, described hydraulic control two-bit triplet reversing valve is connected with system oil return road with system working connection, the 2nd check valve it is provided with between hydraulic control two-bit triplet reversing valve and system working connection, described surplus valve is connected to system oil return road, the oil port that returns on system oil return road arranges an oil return back pressure valve. emergent steering of the present utility model can guarantee that steering power continues reliable, fast response time.
Preferably, aforementioned hydraulic control two-bit triplet reversing valve comprises: valve body, the spool being installed in valve body and return spring. When normal steering works, spool left position work, the oil outlet of two-way motor assembly is connected with fuel tank, emergent steering Low-pressure load discharge. And be pulled once normal steering propulsion source inefficacy or whole car generation fault, the left cavity pressure of hydraulic control two-bit triplet reversing valve is 0, return spring makes spool right position work, and the oil outlet of two-way motor assembly is connected with system working connection, and emergent steering is activated.
Usefulness of the present utility model is: emergent steering system structural of the present utility model is simply compact, it is easy to process for processing, installation and maintenance and piping layout, adopt hydraulic control two-bit triplet reversing valve as normally turning to and emergent steering change-over switch, it is ensured that steering power continues reliable, systematic evaluation fast response time; And, the utility model adopts two-way motor assembly as emergent steering power source, thus advance at vehicle or can provide emergent reliably when falling back and turn to function, it is not necessary to switching transmission direction, it is to increase operation ease; This steering has filled up the market vacancy, has good promotion prospect.
Accompanying drawing explanation
Fig. 1 is the principle schematic of the emergent steering of a kind of hinged wagon tremie of the present utility model.
The implication of Reference numeral in figure: 1, steering pump, the 2, first high pressure filter, the 3, the 2nd high pressure filter, 4, the first check valve, 5, the 2nd check valve, 6, hydraulic control two-bit triplet reversing valve, 7, surplus valve, 8, oil return back pressure valve, 9, transfer case, 10, wheel, 11, two-way motor assembly, 12, the 3rd check valve, 13, fuel tank.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model done concrete introduction.
See Fig. 1, the emergent steering of hinged wagon tremie of the present utility model comprises: two-way motor assembly 11, the 2nd high pressure filter 3, hydraulic control two-bit triplet reversing valve 6, surplus valve 7 and the 2nd check valve 5, two-way motor assembly 11 is connected with the power taking mouth of transfer case 9, and the wheel 10 that transfer case 9 is wagon tremie provides power; The oil suction S of two-way motor assembly 11 is connected with fuel tank 13 and is provided with the 3rd check valve 12 on oil circuit between the two, the oil outlet P of two-way motor assembly 11 is connected with the 2nd high pressure filter 3 entrance, the outlet of the 2nd high pressure filter 3 is connected to hydraulic control two-bit triplet reversing valve 6 and surplus valve 7, hydraulic control two-bit triplet reversing valve 6 is connected with system oil return road with system working connection, the 2nd check valve 5 it is provided with between hydraulic control two-bit triplet reversing valve 6 and system working connection, surplus valve 7 is connected to system oil return road, and the oil port that returns on system oil return road arranges an oil return back pressure valve 8.
The present embodiment is by emergent steering thus realizes can both freely turning under the emergent state of standard state and fault. In order to understand the present invention better, normal steering is briefly set forth, as shown in Figure 1, normal steering comprises: the steering pump 1 that one end is connected with fuel tank 13, the other end is communicated to system working connection by oil supply line, is disposed with the first high pressure filter 2 and the first check valve 4 by the flow direction of oil on oil supply line. First check valve 4, the 2nd check valve 5 and the 3rd check valve 12 make oil circuit uniflux, the oil flow direction at concrete each check valve place is shown in Fig. 1 shown in hollow arrow, obviously, the first check valve 4 and the 2nd check valve 5 can avoid normal steering and emergent steering that interference mutually occurs.
Specifically, hydraulic control two-bit triplet reversing valve 6 comprises: valve body, the spool being installed in valve body and return spring. When normal steering works, steering pump 1 is from fuel tank 13 oil suction, pressure oil enters system working connection by the first high pressure filter 2 and the first check valve 4, the pressure of system working connection is greater than the spring power of hydraulic control two-bit triplet reversing valve 6 all the time, spool left position work, the oil outlet P of two-way motor assembly 11 is connected with fuel tank 13, emergent steering Low-pressure load discharge. And be pulled once normal steering propulsion source inefficacy or whole car generation fault, the left cavity pressure of hydraulic control two-bit triplet reversing valve 6 is 0, return spring makes spool right position work, and the oil outlet of two-way motor assembly 11 is connected with system working connection, and emergent steering is activated. The utility model adopt hydraulic control two-bit triplet reversing valve 6 as the change-over switch of normal steering and emergent steering, it is ensured that steering power continues reliable, systematic evaluation fast response time.
In working process, surplus valve 7 limits the peak pressure of emergent steering, and when the pressure that system pressure is set up higher than surplus valve 7, surplus valve 7 is opened, two-way motor assembly 11 oil outlet P and fuel tank 13 conducting, ensure that emergent steering pressure is in safe scope. Oil return back pressure valve 8 ensures that two-way motor assembly 11 also can normal operation when oil suction pressure is low.
Special instruction be, the utility model adopt two-way motor assembly 11 as emergent steering power source, so that it is guaranteed that regardless of positive and negative rotation of motor, oil suction S is connected with fuel tank 13 all the time, oil outlet P is connected with system working connection all the time, advance at vehicle or can provide emergent reliably when falling back and turns to function, it is not necessary to switching transmission direction, it is to increase operation ease.
To sum up, emergent steering system structural of the present utility model is simply compact, and each valve part all adopts screw-in cartridge valve, it is integrated in a valve block, being easy to process for processing, installation and maintenance and piping layout, this emergent steering has filled up the market vacancy, has good promotion prospect.
More than show and describe ultimate principle of the present utility model, main feature and advantage. The technician of the industry is not it should be understood that above-described embodiment limits the utility model in any form, and all employings are equal to the technical scheme that the mode of replacement or equivalent transformation obtains, and all drop in protection domain of the present utility model.
Claims (4)
1. the emergent steering of hinged wagon tremie, it is characterized in that, comprise: two-way motor assembly, 2nd high pressure filter, hydraulic control two-bit triplet reversing valve, surplus valve and the 2nd check valve, described two-way motor assembly is connected with the power taking mouth of transfer case, the oil suction of described two-way motor assembly is connected with fuel tank and is provided with the 3rd check valve on oil circuit between the two, the oil outlet of two-way motor assembly is connected with the 2nd high pressure filter entrance, the outlet of described 2nd high pressure filter is connected to hydraulic control two-bit triplet reversing valve and surplus valve, described hydraulic control two-bit triplet reversing valve is connected with system oil return road with system working connection, the 2nd check valve it is provided with between hydraulic control two-bit triplet reversing valve and system working connection, described surplus valve is connected to system oil return road, the oil port that returns on system oil return road arranges an oil return back pressure valve.
2. the emergent steering of a kind of hinged wagon tremie according to claim 1, it is characterised in that, described hydraulic control two-bit triplet reversing valve comprises: valve body, the spool being installed in valve body and return spring.
3. the emergent steering of a kind of hinged wagon tremie according to claim 2, it is characterised in that, when normal steering works, spool left position work, the oil outlet of two-way motor assembly is connected with fuel tank.
4. the emergent steering of a kind of hinged wagon tremie according to claim 2, it is characterised in that, when emergent steering works, return spring makes spool right position work, and the oil outlet of two-way motor assembly is connected with system working connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520956081.2U CN205273602U (en) | 2015-11-26 | 2015-11-26 | Articulated formula tipper emergency steering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520956081.2U CN205273602U (en) | 2015-11-26 | 2015-11-26 | Articulated formula tipper emergency steering system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205273602U true CN205273602U (en) | 2016-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520956081.2U Active CN205273602U (en) | 2015-11-26 | 2015-11-26 | Articulated formula tipper emergency steering system |
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| CN (1) | CN205273602U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110329135A (en) * | 2019-07-26 | 2019-10-15 | 徐州徐工随车起重机有限公司 | A kind of the auxiliary power source system and obstacles removing car of obstacles removing car |
| CN111776066A (en) * | 2020-07-30 | 2020-10-16 | 三一汽车起重机械有限公司 | Energy storage emergency steering module, hydraulic steering system and control method thereof |
| CN113942574A (en) * | 2021-11-04 | 2022-01-18 | 湖北三江航天万山特种车辆有限公司 | Centering system and vehicle |
-
2015
- 2015-11-26 CN CN201520956081.2U patent/CN205273602U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110329135A (en) * | 2019-07-26 | 2019-10-15 | 徐州徐工随车起重机有限公司 | A kind of the auxiliary power source system and obstacles removing car of obstacles removing car |
| CN111776066A (en) * | 2020-07-30 | 2020-10-16 | 三一汽车起重机械有限公司 | Energy storage emergency steering module, hydraulic steering system and control method thereof |
| CN113942574A (en) * | 2021-11-04 | 2022-01-18 | 湖北三江航天万山特种车辆有限公司 | Centering system and vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191204 Address after: 221000 Jiangsu city of Xuzhou province Xuzhou economic and Technological Development Zone of High Road No. 39 Patentee after: Xuzhou Xugong Mining Machinery Co., Ltd. Address before: 221004 Industrial Zone, Xuzhou Economic Development Zone, Jiangsu Patentee before: XCMG Construction Machinery Co., Ltd. |