CN204415501U - A kind of four car synchronized operation multi-wheel steering mechanisms - Google Patents
A kind of four car synchronized operation multi-wheel steering mechanisms Download PDFInfo
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- CN204415501U CN204415501U CN201520080822.5U CN201520080822U CN204415501U CN 204415501 U CN204415501 U CN 204415501U CN 201520080822 U CN201520080822 U CN 201520080822U CN 204415501 U CN204415501 U CN 204415501U
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Abstract
A kind of four car synchronized operation multi-wheel steering mechanisms, comprise steering control system to unify two symmetrically arranged moving trolley groups in front and back, moving trolley group is made up of two multiwheel vehicles be symmetrical set, multiwheel vehicle comprises vehicle frame, Hydraulic Pump and steering hardware, steering hardware is uniformly distributed in the vehicle frame left and right sides, steering hardware comprises steering cylinder and the multiple wheel flutter of well-distributed below vehicle frame, and wheel flutter is made up of roller, hanger bracket assembly and connecting rod; Hanger bracket assembly is vertically arranged and is rotationally connected by revolving support and vehicle frame, hanger bracket assembly lower end is fixedly connected with the wheel shaft of roller, hanger bracket assembly is provided with perpendicular to hanger bracket assembly from spindle arm and main steering arm, the utility model provides a kind of four car synchronized operation multi-wheel steering mechanisms, solve the technical matters that multiple stage beam transportation vehicle synchronously turns to simultaneously, low cost of manufacture, easy to use simultaneously.
Description
Technical field
The utility model relates to a kind of large span, large-tonnage prefabricated case beam of being applicable at the tire type beam conveying vehicle of bridge floor transport construction, particularly relates to one and can realize four car synchronized operation multi-wheel steering mechanisms.
Background technology
Along with the development of bridge construction operating technique, some large spans, large-tonnage bridge adopt the construction of fabrication and erection, to realize bridge transports for ultra-large type prefabricated case beam, all be faced with the excessive problem that can not meet the demands of Roadway Construction load, bridge design requires that load can be distributed to more large area, to guarantee that transport vehicle load can meet bridge floor load bearing requirements by transport vehicle as far as possible.Bridge erections such as current domestic high speed railway and transport mainly complete machine and pack case beam, but for the super size box girder that the twin decks such as some bridge spanning the seas are arranged, if adopted, single width bridge floor is arranged, complete machine packs case beam scheme, certainly will beam transportation vehicle load very large, bridge floor is arranged limited, and constructional loading can not meet the demands.
In order to head it off, engineering staff are had to propose to arrange beam transportation vehicle at twin decks, four cars are adopted and car packs the scheme of whole opening box girder according to box girder transport feature, relative complete machine packs case beam, and four chassis do not need to be rigidly connected, and it is large especially that the vehicle frame as carrying structure does not need to do, such vehicle frame is lightweight, complete machine deadweight is little, and load can be evenly distributed on the width bridge floor of left and right by four chassis, is applicable to the bridge floor transport of large-scale double width bridge.In box girder transport work progress, four chassis require synchronized operation, as separate unit car, run into curved road to turn to flexibly, current giant tire formula transport trolley multi-wheel steering system is very complicated, and four do not have the vehicle synchronous connected to run and require to adapt to a various complex curve road very complicated problem especially.In the past for the synchronized operation of many cars, most employing independent steering, each wheel installs a steering cylinder and a coder, Steering can be solved like this, but steering swivel system is after increase oil cylinder and coder, and then, Hydraulic Pump, hydraulic valve, the series control element such as controller all need to increase, and equipment cost increases greatly.And due to the increase of control element, Equipment Inspection point also sharply increases, and breakdown of equipment point also can increase thereupon, the stability that equipment runs and safety are just had a greatly reduced quality, and for engineering construction person, equipment investment is huge, is unacceptable.
Summary of the invention
For the defect existed in prior art, the utility model provides a kind of four car synchronized operation multi-wheel steering mechanisms, solves the technical matters that multiple stage beam transportation vehicle synchronously turns to simultaneously, and low cost of manufacture, easy to use simultaneously.
Concrete technical scheme is: a kind of four car synchronized operation multi-wheel steering mechanisms, comprise steering control system to unify two symmetrically arranged moving trolley groups in front and back, moving trolley group is made up of two multiwheel vehicles be symmetrical set, multiwheel vehicle comprises vehicle frame, Hydraulic Pump and steering hardware, steering hardware is uniformly distributed in the vehicle frame left and right sides, steering hardware comprises steering cylinder and the multiple wheel flutter of well-distributed below vehicle frame, and wheel flutter is made up of roller, hanger bracket assembly and connecting rod; Hanger bracket assembly is vertically arranged and is rotationally connected by revolving support and vehicle frame, hanger bracket assembly lower end is fixedly connected with the wheel shaft of roller, hanger bracket assembly is provided with perpendicular to hanger bracket assembly from spindle arm and main steering arm, connecting rod is provided with between adjacent suspension frame assembly, connecting rod two ends be articulated with respectively on adjacent suspension frame assembly from spindle arm, Hydraulic Pump is arranged on vehicle frame, steering cylinder is connected by pipeline with Hydraulic Pump, and steering cylinder one end is articulated with on vehicle frame, the other end and main steering arm hinged; Steering control system comprises master controller, sub-controller and ratio of turning valve, sub-controller is arranged on corresponding multiwheel vehicle respectively, sub-controller input end is connected with master controller mouth, sub-controller mouth is control linkage Hydraulic Pump and ratio of turning valve respectively, and ratio of turning valve is arranged on the pipeline between steering cylinder and Hydraulic Pump.
The carrier bar being across both is provided with between described symmetrical multiwheel vehicle.
The multiwheel vehicle of side corresponding to it, described carrier bar one end is hinged, and the other end is positioned on the multiwheel vehicle of its corresponding side.
Described steering hardware quantity is 2N, N be more than or equal to 1 integer.
One is only had to be connected with steering cylinder in described multiple wheel flutter.
Described master controller can control separately each sub-controller or control multiple sub-controller simultaneously.
The utility model structure is simple, easy to use, multiple stage beam transportation vehicle can be arranged on the twin decks of left and right by this device, synchro control walking by the bridge floor of complexity and road surface, and can turn simultaneously or control single car body to turn, constructional loading energy large area is disperseed, and meets bridge floor load bearing requirements; The utility model adopts connecting rod to turn to, and cost is low, safe and reliable.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is Fig. 1 left view;
Fig. 3 is the utility model steering hardware structural representation;
Fig. 4 is the utility model bogie wheel configuration schematic diagram;
Fig. 5 is the utility model control system principle schematic;
Fig. 6 is the utility model carrier bar structural representation.
Detailed description of the invention
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6, a kind of four car synchronized operation multi-wheel steering mechanisms, symmetrically arranged two moving trolley groups and steering control system before and after comprising, moving trolley group is made up of the multiwheel vehicle 14 be symmetrical set, multiwheel vehicle 14 comprises vehicle frame 1, Hydraulic Pump 2 and four steering hardwarees, steering hardware is uniformly distributed in vehicle frame 1 left and right sides, steering hardware comprises steering cylinder 3 and well-distributed ten wheel flutters 4 below vehicle frame 1, and wheel flutter 4 is made up of roller 5, hanger bracket assembly 6 and connecting rod 7, hanger bracket assembly 6 is vertically arranged and is rotationally connected by revolving support 16 and vehicle frame 1, hanger bracket assembly 6 lower end is fixedly connected with the wheel shaft 8 of roller 5, hanger bracket assembly 6 is provided with perpendicular to hanger bracket assembly 6 from spindle arm 9 and main steering arm 10, connecting rod 7 is provided with between adjacent suspension frame assembly 6, connecting rod 7 two ends be articulated with respectively on adjacent suspension frame assembly 6 from spindle arm 9, Hydraulic Pump 2 is arranged on vehicle frame 1, steering cylinder 3 is connected by pipeline with Hydraulic Pump 2, and steering cylinder 3 one end is articulated with on vehicle frame 1, the other end and main steering arm 10 hinged, one is only had to be connected with steering cylinder 3 in ten wheel flutters 4, steering control system comprises master controller 11, sub-controller 12 and ratio of turning valve 13, master controller 11, sub-controller 12 and ratio of turning valve 13 are prior art, sub-controller 12 is arranged on corresponding multiwheel vehicle 14 respectively, sub-controller 12 input end is connected with master controller 11 mouth, sub-controller 12 mouth is connected with Hydraulic Pump 2 and ratio of turning valve 13 respectively, and ratio of turning valve 13 is arranged on the pipeline between steering cylinder 3 and Hydraulic Pump 2.
Be across on the multiwheel vehicle 14 that is symmetrical set by needing handling load, the sub-controller 12 corresponding to multiwheel vehicle 14 needing to turn to is controlled by master controller 11, can turn to single multiwheel vehicle 14, also can control multiple multiwheel vehicle 14 simultaneously, by sub-controller 12 primer fluid press pump 2 and ratio of turning valve 13, controlled the stroke of steering cylinder 3 by ratio of turning valve 13, thus control the angle of roller 5 rotation.Hanger bracket assembly 6 is driven to rotate by main steering arm 10 when steering cylinder 3 stretches, thus drive roller 5 to rotate, move from spindle arm 9 drivening rod 7 simultaneously, connecting rod 7 drives adjacent hanger bracket assembly 6 to rotate, thus realize rollers 5 all in steering hardware synchronous axial system simultaneously, the carrier bar 15 be across between the two is provided with between symmetrical multiwheel vehicle 14, the multiwheel vehicle 14 of side corresponding to it, carrier bar 15 one end is hinged, the other end is positioned on the multiwheel vehicle 14 of its corresponding side, does not affect symmetrical multiwheel vehicle 14 and relatively rotates.
Claims (6)
1. a car synchronized operation multi-wheel steering mechanism, it is characterized in that: comprise steering control system and to unify two symmetrically arranged moving trolley groups in front and back, moving trolley group is made up of two multiwheel vehicles be symmetrical set, multiwheel vehicle comprises vehicle frame, Hydraulic Pump and steering hardware, steering hardware is uniformly distributed in the vehicle frame left and right sides, steering hardware comprises steering cylinder and the multiple wheel flutter of well-distributed below vehicle frame, and wheel flutter is made up of roller, hanger bracket assembly and connecting rod; Hanger bracket assembly is vertically arranged and is rotationally connected by revolving support and vehicle frame, hanger bracket assembly lower end is fixedly connected with the wheel shaft of roller, hanger bracket assembly is provided with perpendicular to hanger bracket assembly from spindle arm and main steering arm, connecting rod is provided with between adjacent suspension frame assembly, connecting rod two ends be articulated with respectively on adjacent suspension frame assembly from spindle arm, Hydraulic Pump is arranged on vehicle frame, steering cylinder is connected by pipeline with Hydraulic Pump, and steering cylinder one end is articulated with on vehicle frame, the other end and main steering arm hinged; Steering control system comprises master controller, sub-controller and ratio of turning valve, sub-controller is arranged on corresponding multiwheel vehicle respectively, sub-controller input end is connected with master controller mouth, sub-controller mouth is control linkage Hydraulic Pump and ratio of turning valve respectively, and ratio of turning valve is arranged on the pipeline between steering cylinder and Hydraulic Pump.
2. a kind of four car synchronized operation multi-wheel steering mechanisms as claimed in claim 1, is characterized in that: be provided with the carrier bar being across both between described symmetrical multiwheel vehicle.
3. a kind of four car synchronized operation multi-wheel steering mechanisms as claimed in claim 2, is characterized in that: the multiwheel vehicle of side corresponding to it, described carrier bar one end is hinged, and the other end is positioned on the multiwheel vehicle of its corresponding side.
4. a kind of four car synchronized operation multi-wheel steering mechanisms as claimed in claim 1, is characterized in that: described steering hardware quantity is 2N, N be more than or equal to 1 integer.
5. a kind of four car synchronized operation multi-wheel steering mechanisms as claimed in claim 1, is characterized in that: only have one to be connected with steering cylinder in described multiple wheel flutter.
6. a kind of four car synchronized operation multi-wheel steering mechanisms as claimed in claim 1, is characterized in that: described master controller can control separately each sub-controller or control multiple sub-controller simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520080822.5U CN204415501U (en) | 2015-02-05 | 2015-02-05 | A kind of four car synchronized operation multi-wheel steering mechanisms |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520080822.5U CN204415501U (en) | 2015-02-05 | 2015-02-05 | A kind of four car synchronized operation multi-wheel steering mechanisms |
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| Publication Number | Publication Date |
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| CN204415501U true CN204415501U (en) | 2015-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520080822.5U Active CN204415501U (en) | 2015-02-05 | 2015-02-05 | A kind of four car synchronized operation multi-wheel steering mechanisms |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105421295A (en) * | 2015-12-19 | 2016-03-23 | 郑州新大方重工科技有限公司 | Special aqueduct transportation vehicle for water conservancy aqueduct erection |
| CN106114618A (en) * | 2016-08-01 | 2016-11-16 | 于勇 | 360 degree of forward methods of many wheel motor vehicles |
| CN110745183A (en) * | 2019-11-29 | 2020-02-04 | 山东路得威工程机械制造有限公司 | Multi-steering mode walking frame capable of ensuring synchronous steering |
-
2015
- 2015-02-05 CN CN201520080822.5U patent/CN204415501U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105421295A (en) * | 2015-12-19 | 2016-03-23 | 郑州新大方重工科技有限公司 | Special aqueduct transportation vehicle for water conservancy aqueduct erection |
| CN106114618A (en) * | 2016-08-01 | 2016-11-16 | 于勇 | 360 degree of forward methods of many wheel motor vehicles |
| CN110745183A (en) * | 2019-11-29 | 2020-02-04 | 山东路得威工程机械制造有限公司 | Multi-steering mode walking frame capable of ensuring synchronous steering |
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