CN203172716U - Hydraulic steering control device for engineering machinery - Google Patents
Hydraulic steering control device for engineering machinery Download PDFInfo
- Publication number
- CN203172716U CN203172716U CN 201220723851 CN201220723851U CN203172716U CN 203172716 U CN203172716 U CN 203172716U CN 201220723851 CN201220723851 CN 201220723851 CN 201220723851 U CN201220723851 U CN 201220723851U CN 203172716 U CN203172716 U CN 203172716U
- Authority
- CN
- China
- Prior art keywords
- steering
- rotation driving
- driving snake
- dual rotation
- hydraulic steering
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a hydraulic steering control device for engineering machinery. The hydraulic steering control device for the engineering machinery comprises a steering wheel, a steering rod assembly, a double-steering transmission flexible shaft and connecting assembly, and a hydraulic steering gear assembly, wherein the steering rod assembly is connected with the steering wheel, the double-steering transmission flexible shaft and connecting assembly is connected with the steering rod assembly, and the hydraulic steering gear assembly is connected with the double-steering transmission flexible shaft and connecting assembly. The double-steering transmission flexible shaft and connecting assembly comprises a connector thread arranged on a double-steering transmission flexible shaft, and a nut matched with the connector thread. A connector fixed shell is sleeved at the tail end of the double-steering transmission flexible shaft. An outer connecting rod is arranged at the tail end of the double-steering transmission flexible shaft in an extending mode. According to the hydraulic steering control device for the engineering machinery, a steering rod and a hydraulic steering gear are in remote connection through the flexible shaft, the flexible shaft is driven to rotate through rotating of the steering rod, and then the hydraulic steering gear is driven to rotate and control a steering oil cylinder to stretch and achieve steering; due to the connecting mode of the flexible shaft, the structure is simple, the effect is obvious, installation is convenient, the selected components are strong in universality, the structure is high in safety reliability, and using is convenient.
Description
Technical field
The utility model is useful for the loader hydraulic steering mechanism, is specifically related to a kind of construction machinery and equipment fluid-link steering operating control.
Background technology
Some loaders that use on the present home market, control is handled in its fluid-link steering, because steering oil pipe is many, adds that hydraulic steering gear is former thereby make its layout difficulty because of size, production is assembled, debugs, keeps in repair also very difficult, and the utility model has solved this problem exactly.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of construction machinery and equipment fluid-link steering operating control, the fluid-link steering bar of realizing loader and hydraulic steering gear separate convenient install guarantee simultaneously to turn to accurately, handle errorless, adopt two-way driving snake to realize length apart from being flexible coupling.
The utility model is achieved through the following technical solutions: a kind of construction machinery and equipment fluid-link steering operating control, comprise bearing circle, and the direction lever assembly that is connected with bearing circle, and the dual rotation driving snake and the coupling assembling that are connected with the direction lever assembly, and the hydraulic steering gear assembly that is connected with dual rotation driving snake and coupling assembling, described dual rotation driving snake and coupling assembling comprise the street corner screw thread that is located on the dual rotation driving snake, and the nut of cooperation joint screw thread, described nut one side is provided with plain cushion, describedly be arranged with the joint set casing at dual rotation driving snake tail end, and extend at dual rotation driving snake tail end and to have the inclination external bar, described outside the heart extension bar be arranged with fittings body, and extension bar and fittings body junction are equipped with elastic cylindrical pin outside the heart.
As preferably, described hydraulic steering gear assembly comprises hydraulic steering gear and contiguous block, and hydraulic steering gear is connected with the dual rotation driving snake by contiguous block.
As preferably, described contiguous block adopts the nylon contiguous block.
As preferably, the connection mode of the described dual rotation driving snake other end and direction lever assembly corresponding end is consistent with the connection mode of dual rotation driving snake and hydraulic steering gear assembly.
As preferably, the heart of described dual rotation driving snake is the multiply finer wire, and section is that the left-handed steel wire of O type tightly twines outside it; outer again is closely to twine by the dextrorotation direction with thin steel band; be the lubricated sheath of nylon of band left and right sides rotation direction again outside it, grease is arranged in it, outermost is the plastic layer that contains the steel wire protection.
The beneficial effects of the utility model are: be connected direction lever and hydraulic steering gear are long-range by flexible axle, drive the flexible axle rotation by the rotation direction bar, drive hydraulic steering gear again and rotate control and turn to flexible realization of oil cylinder to turn to; Simple for structure with this flexible axle connection mode, effect is obvious, and is easy for installation, selects the element highly versatile for use, and this structural safety reliability height is easy to use.
Description of drawings
In order to be easy to explanation, the utility model is done to describe in detail by following specific embodiment and accompanying drawing.
Fig. 1 is the utility model construction machinery and equipment fluid-link steering operating control appearance device assembly structure scheme drawing;
Fig. 2 is the utility model dual rotation driving snake and coupling assembling partial schematic sectional view;
Fig. 3 is the utility model dual rotation driving snake and coupling assembling structural representation when being connected with the hydraulic steering gear assembly;
Fig. 4 is the utility model dual rotation driving snake axle center cross-sectional schematic.
The specific embodiment
As Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4, a kind of construction machinery and equipment fluid-link steering operating control, comprise bearing circle 1, and the direction lever assembly 2 that is connected with bearing circle 1, and the dual rotation driving snake and the coupling assembling 3 that are connected with direction lever assembly 2, and the hydraulic steering gear assembly 4 that is connected with dual rotation driving snake and coupling assembling 3, described dual rotation driving snake and coupling assembling 3 comprise the street corner screw thread 5 that is located on the dual rotation driving snake 33, and the nut 6 of cooperation joint screw thread 5, described nut 6 one sides are provided with plain cushion 7, describedly be arranged with joint set casing 8 at dual rotation driving snake 33 tail ends, and extend at dual rotation driving snake 33 tail ends and to have the inclination external bar 9, described outside the heart extension bar 9 be arranged with fittings body 11, and extension bar 9 is equipped with elastic cylindrical pin 10 with fittings body 11 junctions outside the heart.
Wherein, described hydraulic steering gear assembly 4 comprises hydraulic steering gear 12 and contiguous block 13, and hydraulic steering gear 12 is connected with dual rotation driving snake 33 by contiguous block 13.
Described contiguous block 13 adopts the nylon contiguous block.
The connection mode of described dual rotation driving snake 33 other ends and direction lever assembly 2 corresponding end is consistent with the connection mode of dual rotation driving snake 33 and hydraulic steering gear assembly 4.
The heart of described dual rotation driving snake 33 is multiply finer wire 14; section is that the left-handed steel wire 15 of O type tightly twines outside it; outer again is closely to twine by the dextrorotation direction with thin steel band 16; be the lubricated sheath 17 of nylon of band left and right sides rotation direction again outside it; grease is arranged in it, and outermost is the plastic layer 18 that contains the steel wire protection.
Earlier dual rotation driving snake 33 corresponding ends are alignd with hydraulic steering gear 12, nut 6 is screwed into the end to joint screw thread 5 left ends of dual rotation driving snake 33; Plain cushion 7 is put, again joint set casing 8 also is screwed into the end, make the outer extension bar 9 of the heart of dual rotation driving snake 33 expose, load onto fittings body 11, lock with elastic cylindrical pin 10 again; Joint set casing 8 is oppositely screwed out certain position to the right, loading onto nylon contiguous block that hydraulic steering gear 12 carries aims at hydraulic steering gear 12 positions and passes respective bolt holes with bolt and connect, be coated on the joint screw thread 5 with screw thread fastening glue, nut 6 screwed to the right put in place again; Drive axle rotation in the direction lever when bearing circle 1 is rotated, rotate by the axle center that contiguous block 13 drives in the dual rotation driving snake assemblies, the axle center drives the hydraulic traversing mechanism valve core rotation again, 12 work of control hydraulic steering gear.
The beneficial effects of the utility model are: be connected direction lever and hydraulic steering gear are long-range by flexible axle, drive the flexible axle rotation by the rotation direction bar, drive hydraulic steering gear again and rotate control and turn to flexible realization of oil cylinder to turn to; Simple for structure with this flexible axle connection mode, effect is obvious, and is easy for installation, selects the element highly versatile for use, and this structural safety reliability height is easy to use.
The above only is the specific embodiment of the present utility model, but protection domain of the present utility model is not limited thereto, and any variation or replacement of expecting without creative work all should be encompassed within the protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain that claims were limited.
Claims (5)
1. construction machinery and equipment fluid-link steering operating control, it is characterized in that: comprise bearing circle, and the direction lever assembly that is connected with bearing circle, and the dual rotation driving snake and the coupling assembling that are connected with the direction lever assembly, and the hydraulic steering gear assembly that is connected with dual rotation driving snake and coupling assembling, described dual rotation driving snake and coupling assembling comprise the street corner screw thread that is located on the dual rotation driving snake, and the nut of cooperation joint screw thread, described nut one side is provided with plain cushion, describedly be arranged with the joint set casing at dual rotation driving snake tail end, and extend at dual rotation driving snake tail end and to have the inclination external bar, described outside the heart extension bar be arranged with fittings body, and extension bar and fittings body junction are equipped with elastic cylindrical pin outside the heart.
2. construction machinery and equipment according to claim 1 fluid-link steering operating control, it is characterized in that: described hydraulic steering gear assembly comprises hydraulic steering gear and contiguous block, hydraulic steering gear is connected with the dual rotation driving snake by contiguous block.
3. construction machinery and equipment according to claim 2 fluid-link steering operating control is characterized in that: described contiguous block employing nylon contiguous block.
4. construction machinery and equipment according to claim 1 fluid-link steering operating control, it is characterized in that: the connection mode of the described dual rotation driving snake other end and direction lever assembly corresponding end is consistent with the connection mode of dual rotation driving snake and hydraulic steering gear assembly.
5. construction machinery and equipment according to claim 1 fluid-link steering operating control; it is characterized in that: the heart of described dual rotation driving snake is the multiply finer wire; section is that the left-handed steel wire of O type tightly twines outside it; outer again is closely to twine by the dextrorotation direction with thin steel band; be the lubricated sheath of nylon of band left and right sides rotation direction again outside it; grease is arranged in it, and outermost is the plastic layer that contains the steel wire protection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220723851 CN203172716U (en) | 2012-12-25 | 2012-12-25 | Hydraulic steering control device for engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220723851 CN203172716U (en) | 2012-12-25 | 2012-12-25 | Hydraulic steering control device for engineering machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203172716U true CN203172716U (en) | 2013-09-04 |
Family
ID=49069459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220723851 Expired - Fee Related CN203172716U (en) | 2012-12-25 | 2012-12-25 | Hydraulic steering control device for engineering machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203172716U (en) |
-
2012
- 2012-12-25 CN CN 201220723851 patent/CN203172716U/en not_active Expired - Fee Related
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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: 20130904 Termination date: 20141225 |
|
| EXPY | Termination of patent right or utility model |