CN207060145U - A kind of emergent transfer - Google Patents
A kind of emergent transfer Download PDFInfo
- Publication number
- CN207060145U CN207060145U CN201720903396.XU CN201720903396U CN207060145U CN 207060145 U CN207060145 U CN 207060145U CN 201720903396 U CN201720903396 U CN 201720903396U CN 207060145 U CN207060145 U CN 207060145U
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- China
- Prior art keywords
- valve
- oil
- pressure
- guide
- overflow
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- 239000002828 fuel tank Substances 0.000 claims description 5
- 238000010276 construction Methods 0.000 abstract description 4
- 239000002689 soil Substances 0.000 description 7
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
It the utility model is related to a kind of emergent transfer, including switching valve, steering pump, guide's delivery valve and pilot valve, guide's delivery valve is connected by oil-out PA1 with pilot valve, guide's delivery valve is connected by oil inlet P 1 with steering pump oil-out PA, the steering pump includes motor, hydraulic pump, first overflow valve and the first check valve, the motor is connected with hydraulic pump, first check valve is connected with hydraulic pump and overflow valve respectively, first check valve is connected by oil-out PA with switching valve, the utility model has simple in construction, the characteristics of practicability and effectiveness.
Description
Technical field
Wheel steering system technical field is the utility model is related to, relates in particular to a kind of emergent transfer.
Background technology
Scraper is that one kind utilizes scraper bowl backing-off cutting soil, and the earth moving machinery that hack loading scraper bowl is transported,
Can complete shovel soil, dress soil, muck haulage, unload soil and be layered banket, the synthetic job of local compaction by rolling.Suitable for railway, road, water
The engineering such as profit, electric power smooth location works.Scraper, which has, to be manipulated simply, is not limited, can worked independently by landform, travel speed
It hurry up, the advantages that production efficiency is high.It is applicable one to three class soil, it is necessary to loosen the soil in advance during such as three class above soil of backing-off cutting.At present,
The wide variety of scraper of in the market is divided into two kinds of internal combustion scraper and electric LHD, and internal combustion scraper is applied to well-ventilated
Operating environment, possess the characteristics of flexible, efficient；Electric LHD is then more environmentally-friendly, pollution-free.
But either internal combustion scraper or electric LHD typically do not possess emergent steering, cause to work as scraper
Machine runs out of steam, it is necessary to when trailer, can not be turned to, and has a strong impact on the progress of trailer work, and based on this, spy proposes this
Utility model.
Utility model content
For a variety of deficiencies of prior art, in order to solve the above problems, it is proposed that a kind of simple in construction, practical and effective
Emergent transfer, the device first export pilot pressure control switching valve commutation, then export principal pressure and entered by switching valve and turned
Vehicle is promoted to realize emergent turn to pump.
To achieve the above object, the utility model provides following technical scheme：
A kind of emergent transfer, including switching valve, steering pump, guide's delivery valve and pilot valve, guide's delivery valve
It is connected by oil-out PA1 with pilot valve, guide's delivery valve is connected by oil inlet P 1 with steering pump oil-out PA, described
Steering pump includes motor, hydraulic pump, the first overflow valve and the first check valve, and the motor is connected with hydraulic pump, and described
One check valve is connected with hydraulic pump and the first overflow valve respectively, and first check valve is connected by oil-out PA with switching valve.
As further scheme of the present utility model, guide's delivery valve includes shuttle valve, accumulator, pressure-reducing valve, second
Overflow valve and the second check valve, the shuttle valve are connected pressure-reducing valve, second check valve oil-out with pressure-reducing valve, second respectively
The oil inlet connection of overflow valve, second check valve are connected with pilot valve through oil-out PA1, connected on second check valve
There is accumulator.
As further scheme of the present utility model, the shuttle valve, pressure-reducing valve, the second overflow valve and the second check valve are produced
Raw oil return passes through the oil return inlet T A for the oil return inlet T connection steering pump being connected with second overflow valve.
As further scheme of the present utility model, the oil return inlet T A connection fuel tanks of the steering pump.
As further scheme of the present utility model, the regulation pressure of the pressure-reducing valve is 3-5MPa.
As further scheme of the present utility model, the regulation pressure of first overflow valve is 0-15MPa.
The beneficial effects of the utility model are：
The pilot pressure that the utility model is provided using guide's delivery valve makes switching valve commutate, then exports principal pressure by turning
Entering steering pump to valve promotes vehicle to realize emergent steering, simple in construction, practicability and effectiveness；Guide's delivery valve provides pilot pressure,
With oil mass very little, and other systems work is not influenceed, so as to reduce the quantity of pump, reduce element cost, simplify connection
Pipeline；Check valve is equipped with guide's delivery valve and steering pump, is easy to control；Shuttle valve, pressure-reducing valve, the second overflow valve and second are single
The oil return inlet T A for the oil return inlet T connection steering pump being connected with the second overflow valve, oil return inlet T A connections are passed through to oil return caused by valve
Fuel tank, using oil return inlet T A drainings, it is easy to control system pressure.
Brief description of the drawings
Fig. 1 is the structural principle block diagram of emergent transfer of the present utility model.
In accompanying drawing：1- switching valves, 2- steering pumps, 3- guide's delivery valve, 4- pilot valves, 5- fuel tanks, 6- shuttle valves, 7- energy storage
Device, 8- pressure-reducing valves, the overflow valves of 9- second, the check valves of 10- second, 11- motor, 12- hydraulic pumps, the overflow valves of 13- first, 14-
First check valve.
Embodiment
In order that those skilled in the art more fully understand the technical solution of the utility model, with reference to of the present utility model
Accompanying drawing, clear, complete description is carried out to the technical solution of the utility model, it is general based on the embodiment in the application, this area
Other similar embodiments that logical technical staff is obtained on the premise of creative work is not made, should all belong to the application
The scope of protection, in addition, the direction word mentioned in following examples, such as " on " " under " " left side " " right side " etc. is only refer to the attached drawing
Direction, therefore, the direction word used is for illustrative and not limiting the invention.
As shown in figure 1, a kind of emergent transfer, including switching valve 1, steering pump 2, guide's delivery valve 3 and pilot valve 4,
Guide's delivery valve 3 is connected by oil-out PA1 with pilot valve 4, and guide's delivery valve 3 passes through oil inlet P 1 and steering pump
2 oil-out PA connections, the pilot pressure provided using guide's delivery valve 3 makes switching valve 1 commutate, then exports principal pressure and pass through steering
Valve 1 enters steering pump 2 and promotes vehicle to realize emergent steering, simple in construction, practicability and effectiveness.
Specifically, the steering pump 2 includes motor 11, hydraulic pump 12, the first overflow valve 13 and the first check valve 14, institute
State motor 11 to be connected with hydraulic pump 12, first check valve 14 is connected with the overflow valve 13 of hydraulic pump 12 and first respectively, institute
State the first check valve 14 to be connected with switching valve 1 by oil-out PA, the regulation pressure of first overflow valve 13 is 0-15MPa.
Guide's delivery valve 3 includes shuttle valve 6, accumulator 7, pressure-reducing valve 8, the second overflow valve 9 and the second check valve 10, institute
State shuttle valve 6 to connect pressure-reducing valve 8, second check valve 10 oil-out with pressure-reducing valve 8, the oil inlet of the second overflow valve 9 respectively
Connection, second check valve 10 are connected through oil-out PA1 with pilot valve 4, and accumulator is connected with second check valve 10
7, the shuttle valve 6, pressure-reducing valve 8, the second overflow valve 9 and oil return caused by the second check valve 10 pass through and second overflow valve 9
The oil return inlet T A of the oil return inlet T connection steering pump 2 of connection, the oil return inlet T A connections fuel tank 5 of the steering pump 2, uses oil return opening
TA drainings, it is easy to control system pressure, the regulation pressure of the pressure-reducing valve 8 is 3-5MPa, and guide's delivery valve 3 provides first pilot
Power, with oil mass very little, and other systems work is not influenceed, so as to reduce the quantity of pump, reduce element cost, the company of simplifying
Take over road.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (6)
- A kind of 1. emergent transfer, it is characterised in that：Including switching valve (1), steering pump (2), guide's delivery valve (3) and guide Valve (4), guide's delivery valve (3) are connected by oil-out PA1 with pilot valve (4), and guide's delivery valve (3) passes through oil-feed Mouth P1 is connected with steering pump (2) oil-out PA, and the steering pump (2) includes motor (11), hydraulic pump (12), the first overflow valve (13) be connected with the first check valve (14), the motor (11) with hydraulic pump (12), first check valve (14) respectively with Hydraulic pump (12) and the first overflow valve (13) connection, first check valve (14) are connected by oil-out PA with switching valve (1).
- 2. emergent transfer according to claim 1, it is characterised in that：Guide's delivery valve (3) includes shuttle valve (6), accumulator (7), pressure-reducing valve (8), the second overflow valve (9) and the second check valve (10), shuttle valve (6) the series connection pressure-reducing valve (8), the oil-out with pressure-reducing valve (8), the oil inlet of the second overflow valve (9) are connected second check valve (10) respectively, described Second check valve (10) is connected through oil-out PA1 with pilot valve (4), and accumulator (7) is connected with second check valve (10).
- 3. emergent transfer according to claim 2, it is characterised in that：The shuttle valve (6), pressure-reducing valve (8), second are overflow Oil return caused by stream valve (9) and the second check valve (10) passes through the oil return inlet T connection being connected with second overflow valve (9) and turned to The oil return inlet T A of pump (2).
- 4. emergent transfer according to claim 3, it is characterised in that：The oil return inlet T A connections of the steering pump (2) Fuel tank (5).
- 5. emergent transfer according to claim 2, it is characterised in that：The regulation pressure of the pressure-reducing valve (8) is 3- 5MPa。
- 6. emergent transfer according to claim 1, it is characterised in that：The regulation pressure of first overflow valve (13) For 0-15MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720903396.XU CN207060145U (en) | 2017-07-24 | 2017-07-24 | A kind of emergent transfer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720903396.XU CN207060145U (en) | 2017-07-24 | 2017-07-24 | A kind of emergent transfer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207060145U true CN207060145U (en) | 2018-03-02 |
Family
ID=61517412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720903396.XU Active CN207060145U (en) | 2017-07-24 | 2017-07-24 | A kind of emergent transfer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207060145U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108583682A (en) * | 2018-05-22 | 2018-09-28 | 中冶宝钢技术服务有限公司 | Emergency vehicle steering |
-
2017
- 2017-07-24 CN CN201720903396.XU patent/CN207060145U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108583682A (en) * | 2018-05-22 | 2018-09-28 | 中冶宝钢技术服务有限公司 | Emergency vehicle steering |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Emergency steering device Effective date of registration: 20190404 Granted publication date: 20180302 Pledgee: Qingdao high technology financing Company limited by guarantee Pledgor: Qingdao Zhong Hong Heavy Machinery Co., Ltd. Registration number: 2019370010032 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20191114 Granted publication date: 20180302 Pledgee: Qingdao high technology financing Company limited by guarantee Pledgor: Qingdao Zhong Hong Heavy Machinery Co., Ltd. Registration number: 2019370010032 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Emergency steering device Effective date of registration: 20191202 Granted publication date: 20180302 Pledgee: Qingdao high technology financing Company limited by guarantee Pledgor: Qingdao Zhong Hong Heavy Machinery Co., Ltd. Registration number: Y2019990000632 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20201113 Granted publication date: 20180302 Pledgee: Qingdao high technology financing Company limited by guarantee Pledgor: QINGDAO FAMBITION HEAVY MACHINERY Co.,Ltd. Registration number: Y2019990000632 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An emergency steering device Effective date of registration: 20201202 Granted publication date: 20180302 Pledgee: Qingdao high technology financing Company limited by guarantee Pledgor: QINGDAO FAMBITION HEAVY MACHINERY Co.,Ltd. Registration number: Y2020990001401 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220401 Granted publication date: 20180302 Pledgee: Qingdao high technology financing Company limited by guarantee Pledgor: QINGDAO FAMBITION HEAVY MACHINERY CO.,LTD. Registration number: Y2020990001401 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |