CN202671062U - Crane and wheel steering switching device thereof - Google Patents
Crane and wheel steering switching device thereof Download PDFInfo
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- CN202671062U CN202671062U CN 201220287081 CN201220287081U CN202671062U CN 202671062 U CN202671062 U CN 202671062U CN 201220287081 CN201220287081 CN 201220287081 CN 201220287081 U CN201220287081 U CN 201220287081U CN 202671062 U CN202671062 U CN 202671062U
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- crane
- controller
- shifter
- turns
- steering
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Abstract
The utility model discloses a crane wheel steering switching device which comprises a controller and an angle detecting element used for collecting a loading rotation angle under a condition of the crane driving operation and outputting signals of the rotation angle to the controller; the controller receives the rotation angle signals and controls a steering switching component according to the rotation angle signals, so as to control the steering direction of a front axle of a crane; when the loading rotation angle signals are less than or equal to 90 degrees, the steering direction of the front axle remains unchanged; and when the loading rotation angle signals are bigger than 90 degrees, the steering direction of the front axle is switched to the reverse direction. The crane wheel steering switching device is capable of ensuring that the rotating direction of a steering wheel keeps the same with the driving direction when the crane drives in the reverse direction, the mode is simple, and the performance is safe and reliable. The utility model further discloses a crane provided with the wheel steering switching device.
Description
Technical field
The utility model relates to technical field of engineering machinery, particularly the wheel steering shifter of hoisting crane.The utility model also relates to the hoisting crane that is provided with described shifter.
Background technology
The hoisting operation of general car hosit and the operating condition that travels are relatively independent, the state that is hoisting operation is the supporting leg operation, and relative with turntable and chassis fixing and can not be with and carry in the operation process that travels, there are not inconsistent phenomenon in rotating of steering wheel direction and travel direction.
Please refer to Fig. 1, Fig. 1 is the complete vehicle structure scheme drawing of existing rough terrain wheeled crane.
As a kind of special hoisting crane, rough terrain wheeled crane can lift without the Special Road requirement, can travel by lift heavy again, it is got on or off the bus and shares a job manipulation chamber 1, and car load operating control centralized arrangement is in control cabin 1, and control cabin 1 is fixed in the turntable position on the pivoting support 2.The travel control member of operation function of realization is positioned at control cabin 1, connects get on or off the bus operating element and power element by center steering body and gyro-rotor brush.
Because rough terrain wheeled crane can support operation, be with to carry and travel by tire, revolution, turning function frequently use, therefore, when left and right sides degreeof turn surpasses 90 ° of drivings, if the not relevant device of changing, the rotating of steering wheel direction will be opposite with travel direction so, do not meet people's manipulation custom and the requirement of human engineering.In this case, need corresponding transfer device to switch the large chamber of steering cylinder loculus fuel system, guarantee that the bearing circle direction of operating is consistent with the propons steering direction.
Go forward at car hosit at present, the rear area angle detection generally the brush by the center steering body detect, concrete detection range is the 120 ° of scopes in the place ahead, the 240 ° of scopes in rear.
Please refer to Fig. 2, Fig. 3, Fig. 2 is the section-drawing of prior art center brush; Fig. 3 is the functional schematic of brush shown in Figure 2.
As shown in the figure, the brush of center steering body is comprised of the multiple tracks brush, and the 9th brush 9 detects dead ahead 120 ° of conductings in zone, and this slip ring power supply is connected in parallel on the slip ring of the 8th brush 8; The 7th brush 7 detects dead afts 240 ° of conductings in zone, and this slip ring power supply is connected in parallel on the slip ring of the 8th brush 8, with the 9th brush 9 over against opposite.
If adopt above-mentioned brush structure to control the switching that propons turns to, then the version of brush can be designed as: 180 ° in dead ahead zone can not detected; The 7th brush 7 detects dead aft 180 ° of conductings in zone, and this slip ring power supply is connected in parallel on the slip ring of the 8th brush 8.Such the 7th brush 7 is used for the control propons and turns to transfer valve, when the vehicle rotation surpassed 180 °, the 7th brush 7 was connected with power channel, and this moment, propons turned to the transfer valve action, realize the switching of steering cylinder large chamber loculus oil-feed, thereby realize that the bearing circle direction of operating is consistent with the propons steering direction.
This shortcoming that exists by the mode of electric brush slip ring detection rotary position: rough terrain wheeled crane can support operation, be with to carry and travel by tire, revolution, turning function frequently use, if adopt above-mentioned brush channel part to carry out the mode of power supply, signal transmission, long-term rotation occurs easily and cause electric brush slip ring to damage, vehicle performance is unreliable.And getting on or off the bus shares a manipulation work room, and all coherent signals of the operation of travelling are all by the brush transmission, and the brush passage is too much, excessive height causes inconvenience is installed.
Another kind is applied to the revolution walking automatic reversing apparatus of crawler crane, mainly (position transduser is got on the bus fixing relatively), reversing solenoid valve etc. are installed on center steering body top are formed by center steering body, center steering body bottom installation semicircumference check-out console (the relative chassis of semicircumference check-out console is fixed), position transduser, the output signal of position transduser drives reversing solenoid valve by control relay circuit, further controls steering hardware.
Thisly control the shortcoming that the mode that turns to switching exists by position transduser and relay circuit: if further control again the realization of other function by the detection signal of angle by this device, must increase the relay switch circuit, it is complicated to cause circuit to connect, the trouble point increases, system reliability can further reduce, and the safe reliability of complete machine can not get ensureing.
Therefore, how to design simple, the safe and reliable wheel steering shifter of a kind of form, when travelling with assurance hoisting crane reversing sense, the rotating of steering wheel direction is consistent with travel direction, is those skilled in the art's technical issues that need to address.
The utility model content
The first purpose of the present utility model provides a kind of crane wheel and turns to shifter.When this device can guarantee that the hoisting crane reversing sense travels, rotating of steering wheel direction and travel direction were consistent, and form is simple, performance safety is reliable.
The second purpose of the present utility model provides a kind of hoisting crane that is provided with described wheel steering shifter.
In order to realize above-mentioned the first purpose, the utility model provides a kind of crane wheel to turn to shifter, comprise controller and the angle detection device that gathers the upper-part rotation angle, described angle detection device output degreeof turn signal is to described controller, described controller receives described degreeof turn signal, and according to described degreeof turn signal by turning to switching part to control the propons steering direction of described hoisting crane.
Preferably, the described switching part that turns to is that propons turns to transfer valve.
Preferably, described angle detection device is installed on the center steering body of described hoisting crane.
Preferably, described angle detection device and controller are by CAN bus transfer degreeof turn signal.
Preferably, described angle detection device is angular transducer.
Preferably, described controller comprises hoisting operation controller and central controller; Described hoisting operation controller receives described degreeof turn signal, and the signal after will processing exports central controller to; The signal that described central controller basis receives is by turning to switching part to control the propons steering direction of described hoisting crane.
Preferably, further comprise bridge suspension function shifter and driving controller; Degreeof turn signal after described central controller will be processed further transfers to the driving controller by the gyro-rotor brush; Described driving controller is according to the described bridge suspension function of described degreeof turn signal control shifter.
For realizing above-mentioned the second purpose, the utility model provides a kind of hoisting crane, comprises hoisting crane body and steering controlling device, and described steering controlling device is provided with above-mentioned each described crane wheel and turns to shifter.
Preferably, the steering hardware of described hoisting crane is positioned at its revolution support top.
Preferably, be specially rough terrain wheeled crane.
The crane wheel that the utility model provides turns to shifter, comprise controller, angle detection device and turn to switching part, in the upper-part rotation process, angle detection device gathers the upper-part rotation angle signal in good time, and be sent to controller, by controller according to current degreeof turn by turning to the propons steering direction of switching part control hoisting crane, thereby the steering hardware direction of operating is consistent with the propons steering direction when realizing backward going, be that the rotating of steering wheel direction is consistent with travel direction, serviceability with normal realization hoisting crane, make things convenient for chaufeur to control, avoided having improved the safety and reliability of vehicle because rotary position changes the maloperation that might occur.
In a kind of preferred scheme, described angle detection device and controller are by CAN bus transfer degreeof turn signal.The signal of this device transmits by the CAN bus, and not only antijamming capability is strong, and dependable performance.
In the preferred scheme of another kind, further comprise bridge suspension function shifter and driving controller.So, when utilizing the degreeof turn signal to realize turning to switching, be transferred to the driving controller after this degreeof turn signal can also being processed by central controller, further realize the switching of bridge suspension rigidity, spring function by the driving controller according to degreeof turn, realize the various control function.
The hoisting crane that the utility model provides is provided with described crane wheel and turns to shifter, because described crane wheel turns to shifter to have above-mentioned technique effect, is provided with this crane wheel and turns to the hoisting crane of shifter also should possess corresponding technique effect.
Description of drawings
Fig. 1 is the complete vehicle structure scheme drawing of existing rough terrain wheeled crane;
Fig. 2 is the section-drawing of prior art center brush;
Fig. 3 is the functional schematic of brush shown in Figure 2;
Fig. 4 turns to the control principle block diagram of a kind of specific embodiment of shifter for crane wheel that the utility model provides;
Fig. 5 is the main element arrangement plan that crane wheel shown in Figure 4 turns to shifter;
Fig. 6 turns to the control principle block diagram of the another kind of specific embodiment of shifter for crane wheel that the utility model provides.
Among Fig. 1 to Fig. 3:
1. control cabin 2. pivoting supports 7. the 7th brush 8. the 8th brush 9. the 9th brush; Among Fig. 4 to Fig. 6:
10. degreeof turn coder 20. hoisting operation controllers 30. telltales 40. central controllers 50. gyro-rotor brushes 60. driving controllers 70. propons turn to transfer valve 80. bridge suspension function shifters
The specific embodiment
Core of the present utility model provides that a kind of form is simple, performance safety failure-free crane wheel turns to shifter, when guaranteeing that the hoisting crane reversing sense travels, and the conformability of rotating of steering wheel direction and travel direction.
Another core of the present utility model provides a kind of hoisting crane that described crane wheel turns to shifter that is provided with.
In order to make those skilled in the art person understand better the utility model scheme, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 4, Fig. 5, Fig. 4 turns to the control principle block diagram of shifter for crane wheel that the utility model provides; Fig. 5 turns to the main element arrangement plan of shifter for crane wheel that the utility model provides.
In a kind of specific embodiment, crane wheel provided by the utility model turns to shifter, is mainly turned to the parts such as transfer valve 70 to consist of by degreeof turn coder 10, hoisting operation controller 20, telltale 30, central controller 40, propons.
Particularly, degreeof turn coder 10 is installed on the center steering body of hoisting crane, in the upper-part rotation process, degreeof turn coder 10 is owing to gyro-rotor rotates, be used for gathering the upper-part rotation angle under the crane running operating condition, and export corresponding degreeof turn signal to controller.
Controller comprises hoisting operation controller 20 and central controller 40, and both all can adopt the PLC control system.
Degreeof turn coder 10 passes through antijamming capability by force and the CAN bus transfer degreeof turn signal of dependable performance with controller.
Propons turns to transfer valve 70 for the direction of switching the large chamber of steering cylinder loculus fuel feeding, and realizes the switching of hoisting crane steering direction with this.
Hoisting operation controller 20 receives the degreeof turn signal of degreeof turn coder 10 outputs, and the signal after will processing exports central controller 40 to; Central controller 40 is according to the propons steering direction of the signal control hoisting crane that receives: when upper-part rotation angle signal during less than or equal to 90 °, propons turns to transfer valve 70 to be in closed condition, and the propons steering direction remains unchanged; When upper-part rotation angle signal during greater than 90 °, propons turns to transfer valve 70 to be in opening, and the propons steering direction oppositely switches.
The utility model is mainly used in the detection of rough terrain wheeled crane degreeof turn, and turn to transfer valve 70 according to degreeof turn control propons, the steering hardware direction of operating is consistent with the propons steering direction when guaranteeing backward going, and namely the rotating of steering wheel direction is consistent with travel direction.
Its principle of work is as follows: in the whole turning course of hoisting crane, 10 pairs of degreeof turns of degreeof turn coder constantly gather and send to the CAN bus; Hoisting operation controller 40 to angle signal-obtaining, parsing, processing, arrives telltale 30 and central controller 40 by the CAN bus transfer by the CAN bus; Central controller 40 is further analyzed judgement according to the numerical value of angle signal: if left and right degreeof turn is no more than 90 degree, and the low level signal of then exporting, propons turns to transfer valve 70 to be failure to actuate, and hoisting crane rotating of steering wheel direction is consistent with the propons steering direction; If left and right degreeof turn surpasses 90 degree, then export high level signal and make propons turn to transfer valve 70 actions, thereby when realizing that the vehicle reversing sense travels, the rotating of steering wheel direction is consistent with travel direction.
The utility model utilizes the degreeof turn signal on the PLC control system reception CAN bus, turn to the unlatching of transfer valve by analyzing and processing output associated electrical signals control propons, the coupling that realizes the detection of degreeof turn and the steering direction that travels is switched, guarantee the realization of rough terrain wheeled crane serviceability, make things convenient for chaufeur to control, avoided changing the maloperation that might occur because of rotary position, improve the safety and reliability of vehicle, also be applicable to the crane products that other steering hardwares are positioned at the pivoting support top.
Be installed on the center steering body for fear of degreeof turn coder 10, and cause the center steering height to exceed designing requirement, also can degreeof turn coder 10 be directly installed on the center steering body, but indirectly measure by transmission device.For example, degreeof turn coder 10 can be installed in the avris position of turntable, it detects and gear to be set on axle and the tooth section by gear and pivoting support is in transmission connection.
Like this, when turntable when vehicle frame rotates, pivoting support does not rotate relative to vehicle frame, the detection axle of degreeof turn coder can rotate by gear, if revolution is supported and the transmitting ratio of gear is n, then turntable rotates a week, and the degreeof turn coder rotates n week, in program, according to degreeof turn coder and the transmitting ratio that revolution is supported the detected value of degreeof turn coder is processed, can be calculated the degreeof turn of turntable.
Certainly, angle detection device is not limited to degreeof turn coder 10, can also adopt other to be suitable for detecting the angular transducer of crane rotation angle.
Please refer to Fig. 6, Fig. 6 turns to the control principle block diagram of the another kind of specific embodiment of shifter for crane wheel that the utility model provides.
On the basis of the above-mentioned specific embodiment, further comprise bridge suspension function shifter 80 and driving controller 60, degreeof turn signal after central controller 40 will be processed further transfers to driving controller 60 by gyro-rotor brush 50, and driving controller 60 is according to degreeof turn signal control bridge suspension function shifter 80.
Like this, when utilizing the degreeof turn signal to realize turning to switching, be transferred to driving controller 60 after this degreeof turn signal can also being processed by central controller 40, further realize the switching of bridge suspension rigidity, spring function by driving controller 60 according to degreeof turn, realize the various control function.
It only is a kind of preferred version that above-mentioned crane wheel turns to shifter, specifically is not limited to this, can make according to actual needs pointed adjustment on this basis, thereby obtains different embodiments.Because mode in the cards is more, casehistory no longer one by one just here.
Except above-mentioned crane wheel turns to shifter, the utility model also provides a kind of hoisting crane, comprises hoisting crane body and steering controlling device, and described steering controlling device is provided with crane wheel mentioned above and turns to shifter, all the other structures please refer to prior art, and this paper repeats no more.
Particularly, described hoisting crane is rough terrain wheeled crane, and its steering hardware is positioned at its revolution and supports the top.
More than turn to shifter and hoisting crane to be described in detail to crane wheel provided by the utility model.Used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand core concept of the present utility model.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (10)
1. a crane wheel turns to shifter, it is characterized in that, comprise controller and the angle detection device that gathers the upper-part rotation angle, described angle detection device output degreeof turn signal is to described controller, described controller receives described degreeof turn signal, and according to described degreeof turn signal by turning to switching part to control the propons steering direction of described hoisting crane.
2. crane wheel according to claim 1 turns to shifter, it is characterized in that, the described switching part that turns to is that propons turns to transfer valve.
3. crane wheel according to claim 2 turns to shifter, it is characterized in that, described angle detection device is installed on the center steering body of described hoisting crane.
4. crane wheel according to claim 3 turns to shifter, it is characterized in that, described angle detection device and controller are by CAN bus transfer degreeof turn signal.
5. crane wheel according to claim 4 turns to shifter, it is characterized in that, described angle detection device is angular transducer.
6. turn to shifter to 5 each described crane wheels according to claim 1, it is characterized in that described controller comprises hoisting operation controller and central controller; Described hoisting operation controller receives described degreeof turn signal, and the signal after will processing exports central controller to; The signal that described central controller basis receives is by turning to switching part to control the propons steering direction of described hoisting crane.
7. crane wheel according to claim 6 turns to shifter, it is characterized in that, further comprises bridge suspension function shifter and driving controller; Degreeof turn signal after described central controller will be processed further transfers to the driving controller by the gyro-rotor brush; Described driving controller is according to the described bridge suspension function of described degreeof turn signal control shifter.
8. a hoisting crane comprises hoisting crane body and steering controlling device, it is characterized in that, described steering controlling device is provided with the claims 1 to 7 each described crane wheel and turns to shifter.
9. hoisting crane according to claim 8 is characterized in that, the steering hardware of described hoisting crane is positioned at its revolution and supports the top.
10. hoisting crane according to claim 9 is characterized in that, is specially rough terrain wheeled crane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220287081 CN202671062U (en) | 2012-06-18 | 2012-06-18 | Crane and wheel steering switching device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220287081 CN202671062U (en) | 2012-06-18 | 2012-06-18 | Crane and wheel steering switching device thereof |
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| Publication Number | Publication Date |
|---|---|
| CN202671062U true CN202671062U (en) | 2013-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220287081 Expired - Fee Related CN202671062U (en) | 2012-06-18 | 2012-06-18 | Crane and wheel steering switching device thereof |
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| CN (1) | CN202671062U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102700606A (en) * | 2012-06-18 | 2012-10-03 | 徐州重型机械有限公司 | Crane and wheel steering switching device thereof |
| CN104030162A (en) * | 2014-06-16 | 2014-09-10 | 徐州徐工随车起重机有限公司 | Rotating region detection device, system and detection method |
| CN104058336A (en) * | 2013-12-18 | 2014-09-24 | 徐州重型机械有限公司 | Front lifting crane and control method and system thereof |
| CN107976158A (en) * | 2017-12-29 | 2018-05-01 | 徐州海伦哲专用车辆股份有限公司 | A kind of high-altitude operation vehicle rotary position detection device and method |
| CN109050491A (en) * | 2018-09-28 | 2018-12-21 | 江苏建筑职业技术学院 | A kind of supporting leg manipulation throttle linkage accelerator |
| CN110409548A (en) * | 2019-08-05 | 2019-11-05 | 三一重机有限公司 | Excavator ambulation control method, device, controller, storage medium and excavator |
| CN111055913A (en) * | 2019-11-29 | 2020-04-24 | 徐州重型机械有限公司 | Crane getting-on operation control steering device and method |
-
2012
- 2012-06-18 CN CN 201220287081 patent/CN202671062U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102700606A (en) * | 2012-06-18 | 2012-10-03 | 徐州重型机械有限公司 | Crane and wheel steering switching device thereof |
| CN102700606B (en) * | 2012-06-18 | 2014-08-13 | 徐州重型机械有限公司 | Crane and wheel steering switching device thereof |
| CN104058336A (en) * | 2013-12-18 | 2014-09-24 | 徐州重型机械有限公司 | Front lifting crane and control method and system thereof |
| CN104058336B (en) * | 2013-12-18 | 2016-02-24 | 徐州重型机械有限公司 | Front-handling mobile crane and control method thereof and system |
| CN104030162A (en) * | 2014-06-16 | 2014-09-10 | 徐州徐工随车起重机有限公司 | Rotating region detection device, system and detection method |
| CN107976158A (en) * | 2017-12-29 | 2018-05-01 | 徐州海伦哲专用车辆股份有限公司 | A kind of high-altitude operation vehicle rotary position detection device and method |
| CN109050491A (en) * | 2018-09-28 | 2018-12-21 | 江苏建筑职业技术学院 | A kind of supporting leg manipulation throttle linkage accelerator |
| CN110409548A (en) * | 2019-08-05 | 2019-11-05 | 三一重机有限公司 | Excavator ambulation control method, device, controller, storage medium and excavator |
| CN110409548B (en) * | 2019-08-05 | 2021-09-28 | 三一重机有限公司 | Excavator walking control method and device, controller, storage medium and excavator |
| CN111055913A (en) * | 2019-11-29 | 2020-04-24 | 徐州重型机械有限公司 | Crane getting-on operation control steering device and method |
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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: 20130116 Termination date: 20180618 |
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| CF01 | Termination of patent right due to non-payment of annual fee |