CN201484482U - Fully hydraulic double-rotor-stator steering gear - Google Patents
Fully hydraulic double-rotor-stator steering gear Download PDFInfo
- Publication number
- CN201484482U CN201484482U CN2009200313392U CN200920031339U CN201484482U CN 201484482 U CN201484482 U CN 201484482U CN 2009200313392 U CN2009200313392 U CN 2009200313392U CN 200920031339 U CN200920031339 U CN 200920031339U CN 201484482 U CN201484482 U CN 201484482U
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- pair
- stator
- steering gear
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Abstract
The utility model discloses a fully hydraulic double-rotor-stator steering gear, which belongs to fully hydraulic steering gears for steering engineering vehicles and overcomes the shortage that an existing hydraulic steering gear cannot provide manual steering when a hydraulic pump is stalled. By adding a reversing valve mechanism and a stator-rotor pair to the existing fully hydraulic steering gear, the technical scheme specifically includes that the fully hydraulic double-rotor-stator steering gear comprises a front cover, a linkage shaft, a valve core-valve sleeve pair, a valve body, an isolating plate, a stator-rotor pair and a rear cover, the valve core-valve sleeve pair is mounted inside the valve body, the front cover is mounted at one end of the valve body while the stator-rotor pair is mounted at the other end of the valve body, the valve core-valve sleeve pair is connected with a rotor of the stator-rotor pair through the linkage shaft, and the isolating plate is arranged between the valve body and the stator-rotor pair. The technical scheme of the fully hydraulic double-rotor-stator steering gear is characterized in that a reversing valve mechanism and another stator-rotor pair are added, the reversing valve mechanism is mounted between the two stator-rotor pairs, the fully hydraulic double-rotor-stator steering gear can provide manual steering when the hydraulic pump is failed without an additionally provided standby manual steering system, and the steering gear is applicable to engineering vehicles.
Description
Technical field:
The utility model relates to the all-hydraulic steering gear that engineering truck turns to, especially a kind of all-hydraulic steering gear that has the manual steering function simultaneously.
Background technology:
The all-hydraulic steering gear of prior art is made of protecgulum, universal driving shaft, spool valve pocket pair, valve body, dividing plate, rotor pair and bonnet, spool valve pocket pair is installed in the valve body, valve body one end is equipped with protecgulum, the other end is equipped with the rotor pair, be connected by universal driving shaft between the secondary rotor with the rotor pair of spool valve pocket, between valve body and rotor pair, be provided with dividing plate.The at present Chinese domestic mandatory regulation that do not have the manual steering function for engineering truck: with agricultural machinery and loader is example, and employed hydraulic steering gear can't provide manual steering when Hydraulic Pump is flame-out; For the outlet type, main engine plants just must provide one to overlap standby steering swivel system so that the function of manual steering to be provided, but this will significantly increase cost.
Summary of the invention:
The purpose of this utility model is to provide a kind of all-hydraulic double stators and double rotors deflector, can provide certain manual steering when the engineering truck Hydraulic Pump is flame-out.
The purpose of this utility model takes following mode to realize: set up change-over valve mechanism and rotor pair on present all-hydraulic steering gear, concrete technical scheme is: comprise protecgulum, universal driving shaft, spool valve pocket pair, valve body, dividing plate, rotor pair and bonnet, spool valve pocket pair is installed in the valve body, valve body one end is equipped with protecgulum, the other end is equipped with the rotor pair, be connected by universal driving shaft between the secondary rotor with the rotor pair of spool valve pocket, between valve body and rotor pair, be provided with dividing plate, the characteristics of technical scheme are also to be provided with change-over valve mechanism and another one rotor pair, change-over valve mechanism is installed between two rotor pairs, and two rotor pairs are connected by universal driving shaft.
The secondary thickness of two rotors is identical, perhaps is installed in the rotor secondary thinner thickness of change-over valve mechanism fwd rotor parafacies to commutation valve system back.
Change-over valve mechanism is made of valve disc and valve, and valve is located in the valve disc and turns, and valve is connected with pin, and piston and spring are installed respectively in pin both sides, valve disc.
Valve is provided with several distributor ports.
Between rotor pair and change-over valve mechanism, be provided with dividing plate, between another rotor pair and change-over valve mechanism, also be provided with dividing plate.
The all-hydraulic double stators and double rotors deflector of the utility model does not need to provide in addition standby manual steering system, when Hydraulic Pump is flame-out, can provide manual steering, and structure is simple relatively, and installation dimension is little, dependable performance.
Description of drawings:
Fig. 1 is the structural representation of the all-hydraulic double stators and double rotors deflector of the utility model.
Fig. 2 is the A-A cutaway view of Fig. 1.
The specific embodiment:
With reference to Fig. 1, Fig. 2, the utility model comprises protecgulum 1, universal driving shaft 2, spool valve pocket pair 3, valve body 4, dividing plate 5, rotor secondary 6 and bonnet 12, also be provided with change-over valve mechanism 8 and another one rotor pair 11, change-over valve mechanism 8 is installed between rotor secondary 6 and the rotor pair 11.Rotor secondary 6 is identical with secondary 11 thickness of rotor, perhaps secondary 11 thinner thicknesses of rotor secondary 6 relative rotors.Spool valve pocket pair 3 is installed in the valve body 4.Be connected by universal driving shaft 2 realization power between the rotor of spool valve pocket secondary 3 and rotor pair 6, realize that by universal driving shaft 10 power are connected between the rotor of rotor secondary 6 and rotor pair 11, the rotor of universal driving shaft 2, universal driving shaft 10 and rotor pair 6, rotor pair 11 all adopts the spline connection mode.Between valve body 4 and rotor pair 6, be provided with dividing plate 5, between rotor secondary 6 and change-over valve mechanism 8, be provided with dividing plate 7, be provided with dividing plate 9 between rotor secondary 11 and the change-over valve mechanism 8.For guaranteeing sealing effectiveness, protecgulum 1 is provided with grooving, lay the O RunddichtringO in the groove, and employing is threaded in valve body 4 one ends, the other end by bolt with dividing plate 5, rotor pair 6, dividing plate 7, change-over valve mechanism 8, dividing plate 9, rotor secondary 11 and bonnet 12 are fixed together, between dividing plate 5 and rotor pair 6, between rotor secondary 6 and the dividing plate 7, between dividing plate 7 and the change-over valve mechanism 8, between change-over valve mechanism 8 and the dividing plate 9, between dividing plate 9 and the rotor pair 11, between rotor secondary 11 and the bonnet 12, wherein faying face one side is equipped with grooving, lay the O RunddichtringO in the groove, to realize the sealing of faying face.Change-over valve mechanism 8 is made of valve disc 19 and valve 16, valve 16 is located in the valve disc 19 and turns, pin 15 embeds in the valve 16, in pin 15 both sides, valve disc 19 two ends endoporus install piston 14 and compression spring 18 respectively, compression spring 18 is placed in the spring guide bracket 17, and valve disc 19 two ends endoporus are separately installed with the oil sealing 13 of O RunddichtringO and realize sealing.Pin 15 can sway under 18 effects of piston 14 and compression spring, thereby drives valve disc 19 cws, rotate counterclockwise.Valve 16 is provided with 7 distributor ports.
In the power steering process, piston 14 is under the elongated hole inner high voltage oil effect of valve disc 19, the elastic force that promotion pin 15 overcomes compression springs 18 in the spring guide bracket 17 moves right, drive valve 16 and in valve disc 19, clockwise rotate an angle, join distributing groove oily and on hole dividing plate 7 and the dividing plate 9 and be connected for 7 on the valve 16, make the distributor port conducting of rotor 6 and rotor 11 like this, provide rotor 6 and rotor 11 common discharge capacity work.When Hydraulic Pump is flame-out, in the elongated hole of valve disc 19 is low pressure oil, this moment is under the elastic force effect of compression spring 18, promoting pin 15 is moved to the left, drive valve 16 and in valve disc 19, rotate counterclockwise an angle, 7 distributing grooves of joining on oil and hole dividing plate 7 and the dividing plate 9 on the valve 16 stagger, and the rotor 6 and the distributor port of rotor 11 are disconnected, and the mode of operation of rotor 6 manual steerings is provided.
The utility model discloses a kind of all-hydraulic double stators and double rotors deflector, belong to the hydro-steering device that engineering truck turns to, for overcoming present hydraulic steering gear when Hydraulic Pump is flame-out, the shortcoming of manual steering can't be provided, on present all-hydraulic steering gear, set up change-over valve mechanism and rotor pair, concrete technical scheme is: comprise protecgulum, universal driving shaft, spool valve pocket pair, valve body, dividing plate, rotor pair and bonnet, spool valve pocket pair is installed in the valve body, valve body one end is equipped with protecgulum, the other end is equipped with the rotor pair, be connected by universal driving shaft between the secondary rotor with the rotor pair of spool valve pocket, between valve body and rotor pair, be provided with dividing plate, the characteristics of technical solutions of the utility model are also to be provided with change-over valve mechanism and another one rotor pair, change-over valve mechanism is installed between two rotor pairs, and the utility model does not need to provide in addition standby manual steering system, when Hydraulic Pump is flame-out, manual steering can be provided, and the utility model can be applicable in the engineering truck.
Claims (5)
1. all-hydraulic double stators and double rotors deflector, comprise protecgulum (1), universal driving shaft (2), spool valve pocket pair (3), valve body (4), dividing plate (5), rotor pair (6) and bonnet (12), spool valve pocket pair (3) is installed in the valve body (4), valve body (4) one ends are equipped with protecgulum (1), the other end is equipped with rotor pair (6), be connected by universal driving shaft (2) between the rotor of spool valve pocket pair (3) and rotor pair (6), between valve body (4) and rotor pair (6), be provided with dividing plate (5), it is characterized in that: also be provided with change-over valve mechanism (8) and another one rotor pair (11), change-over valve mechanism (8) is installed in two rotor pairs (6,11) between, two rotor pairs (6,11) connect by universal driving shaft (10) between.
2. a kind of all-hydraulic double stators and double rotors deflector according to claim 1, it is characterized in that: two rotor pairs (6,11) thickness is identical, perhaps is installed in change-over valve mechanism fwd rotor pair (6) rotor pair (11) thinner thickness of change-over valve mechanism back relatively.
3. a kind of all-hydraulic double stators and double rotors deflector according to claim 2, it is characterized in that: change-over valve mechanism (8) is made of valve disc (19) and valve (16), valve (16) is located in the valve disc (19) and turns, valve (16) is connected with pin (15), and piston (14) and spring (18) are installed respectively in pin (15) both sides, valve disc (19).
4. a kind of all-hydraulic double stators and double rotors deflector according to claim 3, it is characterized in that: valve (16) is provided with several distributor ports.
5. a kind of all-hydraulic double stators and double rotors deflector according to claim 4 is characterized in that: be provided with dividing plate (7) between rotor pair (6) and change-over valve mechanism (8), be provided with dividing plate (9) between rotor pair (11) and the change-over valve mechanism (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200313392U CN201484482U (en) | 2009-08-07 | 2009-08-07 | Fully hydraulic double-rotor-stator steering gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200313392U CN201484482U (en) | 2009-08-07 | 2009-08-07 | Fully hydraulic double-rotor-stator steering gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201484482U true CN201484482U (en) | 2010-05-26 |
Family
ID=42423375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200313392U Expired - Fee Related CN201484482U (en) | 2009-08-07 | 2009-08-07 | Fully hydraulic double-rotor-stator steering gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201484482U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104024088A (en) * | 2011-12-27 | 2014-09-03 | 丹佛斯动力***有限公司 | Hydraulic steering device |
| US9242668B2 (en) | 2011-12-28 | 2016-01-26 | Danfoss Power Solutions Aps | Hydraulic steering device |
| US9616919B2 (en) | 2011-12-28 | 2017-04-11 | Danfoss Power Solutions Aps | Hydraulic steering device |
-
2009
- 2009-08-07 CN CN2009200313392U patent/CN201484482U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104024088A (en) * | 2011-12-27 | 2014-09-03 | 丹佛斯动力***有限公司 | Hydraulic steering device |
| US9902422B2 (en) | 2011-12-27 | 2018-02-27 | Danfoss Power Solutions Aps | Hydraulic steering device |
| US9242668B2 (en) | 2011-12-28 | 2016-01-26 | Danfoss Power Solutions Aps | Hydraulic steering device |
| US9616919B2 (en) | 2011-12-28 | 2017-04-11 | Danfoss Power Solutions Aps | Hydraulic steering device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100526 Termination date: 20160807 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |