CN203623771U - Emergency steering system used for engineering machinery - Google Patents
Emergency steering system used for engineering machinery Download PDFInfo
- Publication number
- CN203623771U CN203623771U CN201320870531.7U CN201320870531U CN203623771U CN 203623771 U CN203623771 U CN 203623771U CN 201320870531 U CN201320870531 U CN 201320870531U CN 203623771 U CN203623771 U CN 203623771U
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- Prior art keywords
- mouth
- steering
- himself
- state
- hydraulic
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- Expired - Lifetime
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- 238000010276 construction Methods 0.000 claims abstract description 18
- 239000002828 fuel tank Substances 0.000 claims description 22
- 239000003921 oil Substances 0.000 claims description 22
- 239000010720 hydraulic oil Substances 0.000 claims description 14
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 239000000446 fuel Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model provides an emergency steering system used for engineering machinery. The emergency steering system comprises an oil tank, a steering pump, a gear pump, a check valve, a full-hydraulic steering device, a steering oil cylinder, a three-way valve and a radiator motor. According to the emergency steering system, when the steering pump goes wrong, the device can be directly driven to an assigned maintenance point by making the gear pump communicated with the full-hydraulic steering device through the three-way valve under the condition of not using a trailer, construction conducted by other devices is not influenced, and short-time construction can be conducted through the device. Under the normal condition, the gear pump is only used for supplying oil to the radiator motor, when the steering pump goes wrong, the gear pump supplies oil to the full-hydraulic steering device, and therefore manufacturing cost of the device can not be increased, unnecessary waste can not be caused, and operation is quite easy.
Description
Technical field
The utility model belongs to engineering machinery field, is specifically related to emergent steering swivel system for a kind of construction machinery and equipment.
Background technology
Emergent steering swivel system of the prior art is mainly considered in the time that driving engine breaks down, and a kind of emergency handling measure need drag away time is done auxiliary emergent turning to as increased electric-motor pump, or makes vehicle still have direction etc. while dragging away running out of steam by jury pump.While not considering that steering pump breaks down, how to solve.
Utility model content
The utility model is intended to overcome prior art defect, emergent steering swivel system for a kind of construction machinery and equipment is provided, in the time that steering pump goes wrong, can gear type pump be communicated with all-hydraulic steering gear by triple valve, in the situation that not using trailer, equipment directly can be reached to appointment maintenance point, do not affect the construction of other equipment, equipment self also can carry out the construction of short time; Because gear type pump is under normal circumstances only for to radiator motor fuel feeding, in the time that going wrong, steering pump supplies fuel feeding by gear type pump to all-hydraulic steering gear, and this mode can not increase the manufacturing cost of equipment, can not cause unnecessary waste, operates very simple yet.
For achieving the above object, the technical scheme that the utility model provides is:
Emergent steering swivel system for a kind of construction machinery and equipment, comprise fuel tank, steering pump, gear type pump, check valve, all-hydraulic steering gear, steering cylinder, triple valve and radiator motor, one end of described steering pump is connected with described fuel tank, the other end of described steering pump is connected with one end of described check valve, the other end of described check valve is connected with the oil inlet P mouth of described all-hydraulic steering gear, described steering cylinder comprises the first steering cylinder and the second steering cylinder, the rod chamber of the rodless cavity of the first described steering cylinder and the second described steering cylinder is connected with the first actuator port L mouth of described all-hydraulic steering gear, the rodless cavity of the rod chamber of the first described steering cylinder and the second described steering cylinder is connected with the second actuator port R mouth of described all-hydraulic steering gear, the oil return inlet T mouth of described all-hydraulic steering gear is connected with described fuel tank, one end of described gear type pump is connected with described fuel tank, the other end of described gear type pump is connected with the oil inlet P mouth of described triple valve, the first actuator port A of described triple valve is connected with one end of described radiator motor, the second actuator port B of described triple valve is connected with the oil inlet P mouth of described all-hydraulic steering gear, and the other two ends of described radiator motor are connected with described fuel tank.
As such scheme preferably, described triple valve is two position three-way valve, described two position three-way valve has the first state and the second state, when the first state, the P mouth of himself is connected with the A mouth of himself; When the second state, the P mouth of himself is connected with the B mouth of himself.
As such scheme preferably, described all-hydraulic steering gear has the first state, the second state and the third state, when the first state, hydraulic oil is directly flowed into the T mouth of himself by the P mouth of himself; When the second state, hydraulic oil flows into the L mouth of himself, flows into the R mouth of himself again, finally flows into himself T mouth again from the P mouth of himself; When the third state, hydraulic oil flows into the R mouth of himself, flows into the L mouth of himself again, finally flows into himself T mouth again from the P mouth of himself.
As such scheme preferably, also comprise by pass valve, described by pass valve comprises the first by pass valve and the second by pass valve, in the oil circuit that steering pump described in one end of the first described by pass valve is incorporated to is connected with described check valve, the other end of the first described by pass valve is connected with described fuel tank, in the oil circuit that gear type pump described in one end of the second described by pass valve is incorporated to is connected with the oil inlet P mouth of described triple valve, the other end of the second described by pass valve is connected with described fuel tank.
Owing to adopting technique scheme, the utility model compared with prior art has the following advantages:
1, the emergent steering swivel system for a kind of construction machinery and equipment that the utility model provides, in the time that steering pump goes wrong, can gear type pump be communicated with all-hydraulic steering gear by triple valve, in the situation that not using trailer, equipment directly can be reached to appointment maintenance point, do not affect the construction of other equipment, equipment self also can carry out the construction of short time; Because gear type pump is under normal circumstances only for to radiator motor fuel feeding, in the time that going wrong, steering pump supplies fuel feeding by gear type pump to all-hydraulic steering gear, and this mode can not increase the manufacturing cost of equipment, can not cause unnecessary waste, operates very simple yet.
2, triple valve adopts two position three-way valve, has the first state and the second state, freely commutating can realize steering pump and go wrong time.
3, all-hydraulic steering gear has the first state, the second state and the third state, makes deflector to control and to turn to multi-aspectly.
4, there is by pass valve, whole oil circuit is played to safety guard-safeguard effect.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
A kind of construction machinery and equipment that Fig. 1 provides for the utility model hydraulic schematic diagram of emergent steering swivel system;
Fig. 2 is the fundamental diagram of hydraulic steering gear in the time of the first state in Fig. 1;
Fig. 3 is the fundamental diagram of hydraulic steering gear in the time of the second state in Fig. 1;
Fig. 4 is the fundamental diagram of hydraulic steering gear in the time of the third state in Fig. 1.
The specific embodiment
Below in conjunction with accompanying drawing of the present utility model, the technical solution of the utility model is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, the utility model provides emergent steering swivel system for a kind of construction machinery and equipment, comprise fuel tank 1, steering pump 2, gear type pump 3, check valve 4, all-hydraulic steering gear 5, steering cylinder 6, two position three-way valve 7 and radiator motor 8, one end of described steering pump 2 is connected by flexible pipe 9 with described fuel tank 1, the other end of described steering pump 2 is connected with one end of described check valve 4 by flexible pipe 9, the other end of described check valve 4 is connected with the oil inlet P mouth of described all-hydraulic steering gear 5 by flexible pipe 9, described steering cylinder 6 comprises the first steering cylinder 601 and the second steering cylinder 602, the rod chamber of the rodless cavity of the first described steering cylinder 601 and the second described steering cylinder 602 is connected with the first actuator port L mouth of described all-hydraulic steering gear 5 by flexible pipe 9, the rodless cavity of the rod chamber of the first described steering cylinder 601 and the second described steering cylinder 602 is connected with the second actuator port R mouth of described all-hydraulic steering gear 5 by flexible pipe 9, the oil return inlet T mouth of described all-hydraulic steering gear 5 is connected with described fuel tank 1, one end of described gear type pump 3 is connected with described fuel tank 1 by flexible pipe 9, the other end of described gear type pump 3 is connected with the oil inlet P mouth of described two position three-way valve 7 by flexible pipe 9, the first actuator port A of described two position three-way valve 7 is connected with one end of described radiator motor 8 by flexible pipe 9, the second actuator port B of described two position three-way valve 7 is connected with the oil inlet P mouth of described all-hydraulic steering gear 5 by flexible pipe 9, and the other two ends of described radiator motor 8 are connected with described fuel tank, described two position three-way valve has the first state and the second state, and when the first state, the P mouth of himself is connected with the A mouth of himself, when the second state, the P mouth of himself is connected with the B mouth of himself, described all-hydraulic steering gear has the first state, the second state and the third state, and as shown in Figure 2, when the first state, hydraulic oil is directly flowed into the T mouth of himself by the P mouth of himself, as shown in Figure 3, when the second state, hydraulic oil flows into the L mouth of himself, flows into the R mouth of himself again, finally flows into himself T mouth again from the P mouth of himself, as shown in Figure 4, when the third state, hydraulic oil flows into the R mouth of himself, flows into the L mouth of himself again, finally flows into himself T mouth again from the P mouth of himself.
As preferred embodiment, also comprise by pass valve 10, described by pass valve 10 comprises the first by pass valve 101 and the second by pass valve 102, in the oil circuit that steering pump 2 described in one end of the first described by pass valve 101 is incorporated to is connected with described check valve 4, the other end of the first described by pass valve 101 is connected with described fuel tank 1, in the oil circuit that gear type pump 3 described in one end of the second described by pass valve 102 is incorporated to is connected with the oil inlet P mouth of described two position three-way valve 7, the other end of the second described by pass valve 102 is connected with described fuel tank 1.
The utility model provides a kind of construction machinery and equipment principle of work of emergent steering swivel system to be: under normal circumstances, by steering pump by check valve and all-hydraulic steering gear to steering cylinder fuel feeding, gear type pump is radiator motor fuel feeding, now two position three-way valve is in the first state, can need to adjust according to actual steering the state of hydro-steering pump, when hydro-steering pump is during in the first state, hydraulic oil directly flows back to fuel tank after all-hydraulic steering gear; When hydro-steering pump is during in the second state, hydraulic oil is steering cylinder fuel feeding after all-hydraulic steering gear, and wherein hydraulic oil makes that the first steering cylinder pushes away, the second steering cylinder draws, and turns to thereby realize; When hydro-steering pump is during in the third state, hydraulic oil is steering cylinder fuel feeding after all-hydraulic steering gear, and wherein hydraulic oil makes that the second steering cylinder pushes away, the first steering cylinder draws, and turns to thereby realize.
In the time that steering pump goes wrong, two position three-way valve is adjusted to the second state, now gear type pump starts as all-hydraulic steering gear fuel feeding, then adjusts according to actual needs the state of hydro-steering pump, turns to thereby realize the emergent of equipment.
The above; it is only the specific embodiment of the present utility model; but protection domain of the present utility model is not limited to this; any be familiar with those skilled in the art the utility model disclose technical scope in; can expect easily changing or replacing, within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of described claim.
Claims (4)
1. an emergent steering swivel system for construction machinery and equipment, it is characterized in that, comprise fuel tank, steering pump, gear type pump, check valve, all-hydraulic steering gear, steering cylinder, triple valve and radiator motor, one end of described steering pump is connected with described fuel tank, the other end of described steering pump is connected with one end of described check valve, the other end of described check valve is connected with the oil inlet P mouth of described all-hydraulic steering gear, described steering cylinder comprises the first steering cylinder and the second steering cylinder, the rod chamber of the rodless cavity of the first described steering cylinder and the second described steering cylinder is connected with the first actuator port L mouth of described all-hydraulic steering gear, the rodless cavity of the rod chamber of the first described steering cylinder and the second described steering cylinder is connected with the second actuator port R mouth of described all-hydraulic steering gear, the oil return inlet T mouth of described all-hydraulic steering gear is connected with described fuel tank, one end of described gear type pump is connected with described fuel tank, the other end of described gear type pump is connected with the oil inlet P mouth of described triple valve, the first actuator port A of described triple valve is connected with one end of described radiator motor, the second actuator port B of described triple valve is connected with the oil inlet P mouth of described all-hydraulic steering gear, and the other two ends of described radiator motor are connected with described fuel tank.
2. emergent steering swivel system for construction machinery and equipment according to claim 1, it is characterized in that, described triple valve is two position three-way valve, and described two position three-way valve has the first state and the second state, when the first state, the P mouth of himself is connected with the A mouth of himself; When the second state, the P mouth of himself is connected with the B mouth of himself.
3. emergent steering swivel system for construction machinery and equipment according to claim 1 and 2, it is characterized in that, described all-hydraulic steering gear has the first state, the second state and the third state, and when the first state, hydraulic oil is directly flowed into the T mouth of himself by the P mouth of himself; When the second state, hydraulic oil flows into the L mouth of himself, flows into the R mouth of himself again, finally flows into himself T mouth again from the P mouth of himself; When the third state, hydraulic oil flows into the R mouth of himself, flows into the L mouth of himself again, finally flows into himself T mouth again from the P mouth of himself.
4. emergent steering swivel system for construction machinery and equipment according to claim 1 and 2, it is characterized in that, also comprise by pass valve, described by pass valve comprises the first by pass valve and the second by pass valve, in the oil circuit that steering pump described in one end of the first described by pass valve is incorporated to is connected with described check valve, the other end of the first described by pass valve is connected with described fuel tank, in the oil circuit that gear type pump described in one end of the second described by pass valve is incorporated to is connected with the oil inlet P mouth of described triple valve, the other end of the second described by pass valve is connected with described fuel tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320870531.7U CN203623771U (en) | 2013-12-26 | 2013-12-26 | Emergency steering system used for engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320870531.7U CN203623771U (en) | 2013-12-26 | 2013-12-26 | Emergency steering system used for engineering machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203623771U true CN203623771U (en) | 2014-06-04 |
Family
ID=50810273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320870531.7U Expired - Lifetime CN203623771U (en) | 2013-12-26 | 2013-12-26 | Emergency steering system used for engineering machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203623771U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104742964A (en) * | 2013-12-26 | 2015-07-01 | 湖北万山宏业汽车零部件有限公司 | Emergent steering system for engineering machinery |
| CN107739001A (en) * | 2017-12-01 | 2018-02-27 | 江西工埠机械有限责任公司 | A kind of new type of safe is met an urgent need liquid braking device |
| CN108583682A (en) * | 2018-05-22 | 2018-09-28 | 中冶宝钢技术服务有限公司 | Emergency vehicle steering |
| CN111017014A (en) * | 2018-10-09 | 2020-04-17 | 液压诺德流体技术有限公司 | Hydraulic steering device with variable ratio |
-
2013
- 2013-12-26 CN CN201320870531.7U patent/CN203623771U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104742964A (en) * | 2013-12-26 | 2015-07-01 | 湖北万山宏业汽车零部件有限公司 | Emergent steering system for engineering machinery |
| CN107739001A (en) * | 2017-12-01 | 2018-02-27 | 江西工埠机械有限责任公司 | A kind of new type of safe is met an urgent need liquid braking device |
| CN107739001B (en) * | 2017-12-01 | 2024-04-09 | 江西工埠机械有限责任公司 | Novel safety emergency hydraulic brake |
| CN108583682A (en) * | 2018-05-22 | 2018-09-28 | 中冶宝钢技术服务有限公司 | Emergency vehicle steering |
| CN111017014A (en) * | 2018-10-09 | 2020-04-17 | 液压诺德流体技术有限公司 | Hydraulic steering device with variable ratio |
| CN111017014B (en) * | 2018-10-09 | 2022-07-01 | 怀特驱动马达和转向器有限责任公司 | Hydraulic steering device |
| US11485410B2 (en) | 2018-10-09 | 2022-11-01 | White Drive Motors And Steering Gmbh | Hydraulic steering device with variable ratio |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140604 |