CN203428662U - Detecting and automatic winding and unwinding device for electric drive engineering vehicle cable - Google Patents
Detecting and automatic winding and unwinding device for electric drive engineering vehicle cable Download PDFInfo
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- CN203428662U CN203428662U CN201320297577.4U CN201320297577U CN203428662U CN 203428662 U CN203428662 U CN 203428662U CN 201320297577 U CN201320297577 U CN 201320297577U CN 203428662 U CN203428662 U CN 203428662U
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- 238000001514 detection method Methods 0.000 claims description 12
- 238000005096 rolling process Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 3
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- 230000008901 benefit Effects 0.000 description 4
- 239000004020 conductor Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005693 optoelectronics Effects 0.000 description 2
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Abstract
A detecting and automatic winding and unwinding device for an electric drive engineering vehicle cable belongs to the technical field of electric drive engineering vehicle cable winding and unwinding. The detecting and automatic winding and unwinding device is characterized in that an inverted 'T'-shaped support is fixedly mounted on the electric drive engineering vehicle, a cable winding reel is mounted at the top end of the support, and a detecting and automatic winding and unwinding device is mounted at the cantilever end of the support. The automatic winding and unwinding device is characterized in that an upper roll, a lower roll, a left roll and a right roll are mounted on a frame, a guide hole is formed in the middle, photoelectric emission sensors are mounted on the left inner side of the frame from top to bottom, and photoelectric receiving sensors are mounted on the right inner side of the frame from top to bottom. The cable penetrates the guide hole, winding and unwinding of the cable can be controlled at different speed by detecting the position of the cable in the guide hole, automatic cable winding and unwinding is well achieved according to acceleration and deceleration of an electric drive engineering vehicle, and timeliness and smoothness of cable winding and unwinding are guaranteed.
Description
Technical field
The utility model belongs to electric drive engineering truck cable folding and unfolding technical field, is specifically related to a kind of electric drive engineering truck cable detection and puts with automatic deploying and retracting.
Background technology
The relatively-stationary engineering operation vehicle in the place such as mine, coal yard, as power shovel, loader etc., generally all adopts diesel-engined drive.On the one hand, because diesel-fuel price rises steadily, equipment over-the-road expense is very high; The heat efficiency of diesel engine lower (20-30%) on the other hand, efficiency of energy utilization is low, exhaust emission environment.Relatively little for operating radius, and the operation field easily of powering, above-mentioned engineering truck is changed into and adopts driven by power can produce very large economic and social benefits.The efficiency of electric powerplant is generally more than 90%, and electricity price is relatively cheap, so adopt driven by power not only can reduce pollution, the more important thing is and can significantly reduce over-the-road expense.
But engineering truck adopts driven by power to be connected with supply cable line, so that electric power needs to be provided.During due to engineering truck operation at continuous rapid movement, so supply cable line must can be along with the motion of vehicle automatic quickly retracting, to avoid cable laying to cause not in time, break cable, or take-up piles up cable not in time, and rolled and cause the accident by vehicle.
At present for power-actuated engineering truck supply cable line draw off gear used, there are two kinds of modes both at home and abroad: 1, non-coiling type: for example, transfer crane and driving, its supply cable line is moving on parallel guide rail with equipment by suspended, cable can, with sports equipment crank motion, uninterruptedly be powered to the equipment of motion under the traction of running gear.This form only can be applicable to the power device of moving linearly, as equipment such as driving, transfer cranes.2, coiling type: at power end or sports equipment end, cable reel is set, reel is according to folding and unfolding cable in equipment moving.Commercially available cable picking and laying machine generally adopts torque motor control, and reel is conventionally in rolling state, and when equipment moves to power end, because drag torque reduces, cable picking and laying machine is rolled cable under the driving of torque motor; When equipment is during away from power supply, drag torque is greater than the moment of motor, forces torque motor reversing, and cable picking and laying machine is with constant moment cable laying.This mode during in vacant state, along with cable length increases, forms catenary aloft at cable, because the weight of cable self causes the tension force of cable sharply to increase with cable length, makes cable picking and laying machine there is no enough moment rollings.As improve the moment of motor, may cause again cable to be broken, so be only applicable to short-range motion; If cable is not vacant state, due to the weight of cable self and with the friction on ground, cause cannot working completely.
Utility model content
The utility model object is to provide a kind of electric drive engineering truck cable and detects and automatic retraction device, can effectively overcome the shortcoming that prior art exists.
The utility model is to realize like this, as shown in Figure 1, on engineering truck 1, fixedly mount support 6 of " fourth " font, electrical motor 2 and the retarder 3 with power-transfer clutch connecting with it and cable rolling dish 4 are installed at the top of support 6, on cable rolling dish 4, be wound with cable 7; In the cantilever beam end of support 6, be provided with and detect and automatic retraction device 5.Described detection and the constructional drawing of automatic retraction device are as shown in 2,3,4, framework 14 is fixedly mounted on the cantilever beam top of support 6, the left side of end is provided with carrying roller 9 behind top thereon, right side is provided with carrying roller 10 before top, carrying roller 11 before the right side of its bottom is provided with bottom, the rear of carrying roller 11 before carrying roller 10 and bottom before top, is vertically installed with left side carrying roller 12 and right side carrying roller 13 in framework 14 front orientation, middle part; The middle room that the carrying roller of being installed by top, bottom, left side and the right side of framework 14 forms is called guide hole 15; As shown in Figure 4, in the outside of left side carrying roller 12 and right side carrying roller 13, be, on the left and right medial surface of framework 14, photoemission sensor 17 and n photoelectric receiving transducer are housed respectively, n is the integer of > 2, now take n=8 as example.As shown in Figure 4, in framework 14 left sides, eight photoelectric receiving transducers 18,19,20,21,22,23,24,25 and controller 16 are installed from top to down, the installation site of eight photoelectric receiving transducers requires to be evenly distributed in guide hole 15 orientation, side from top to bottom, and distance≤cable diameter of adjacent two photoelectric receiving transducers; As shown in Figure 6, the input of the priority encoder in controller 16 will be connected with the output signal of eight photoelectric receiving transducers, the output of priority encoder will be connected with driving the input of chip, drive the output of chip to connect relay, the on-off signal of relay is delivered to frequency converter, cable 7 is connected with power supply through guide hole 15, and the setting angle of detection and automatic retraction device 5 should guarantee to make guide hole 15 planes vertical with the cable 7 under the state that naturally mops floor.
Advantage of the present utility model and good effect are:
1, by the position of check cable line in cable guide hole, thereby the direct-detection to cable length and moving vehicle and power supply distance has been saved in the control of the folding and unfolding to cable of decision cable picking and laying machine, has simplified detection scheme.
2, adopt opto-electronic pickup, avoided sensor to contact with the direct of cable, be conducive to safety and the life-span of detection and automatic retraction device, and need not claim to the precision of sensor.Adopt the integrated structure of guide hole, sensor and controller, reduced installation difficulty, guaranteed system works reliability, improved detection and control accuracy.
When 3, detection and automatic retraction device 5 are connected with support 6, setting angle guarantees that guide hole 15 planes are vertical with the cable 7 under the state that naturally mops floor.Be conducive to improve the sensitivity of check cable state, improve the controller performance to cable picking and laying machine.
4, detection and automatic retraction device be according to cable position in guide hole, corresponding sensor coding and frequency converter output frequency correspond to linearity or nonlinear relationship, guaranteed the ride comfort of taking up and laying cable conductors; Good realization according to the acceleration and deceleration process of motion engineering truck, taking up and laying cable conductors is made to auto-compensation, to avoid cable being produced to extra tension force when the engineering truck acceleration and deceleration, be conducive to the prolongation of cable life; Both by cable picking and laying machine motor positive and inverse, realized auto-compensation taking up and laying cable conductors, and greatly reduced again rotating moment switching to the impact of motor and physical construction and damage, actv. has extended the service life of cable picking and laying machine motor and associated mechanical structure.
Accompanying drawing explanation:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is for detecting and automatic retraction device schematic diagram;
Fig. 3 is the left view of Fig. 2;
Fig. 4 is the right elevation of Fig. 2;
Fig. 5 is K-K cutaway view in Fig. 4;
Fig. 6 is the functional block diagram of controller;
In figure: 1-engineering truck; 2-electrical motor; 3-is with the retarder of power-transfer clutch; 4-cable rolling dish; 5-detects and automatic retraction device; 6-support; 7-cable; 8-ground; Carrying roller behind 9-top; Carrying roller before 10-top; Carrying roller before 11-bottom; 12-left side carrying roller; 13-right side carrying roller; 14-framework; 15-guide hole; 16-controller; 17-photoemission sensor; 18,19,20,21,22,23,24,25-photoelectric receiving transducer.
The specific embodiment:
Take and there is the Detection & Controling device of eight sensors and cable picking and laying machine motor that nominal operation frequency is 50Hz, rated voltage 380V, rated current 10A is example.When engineering truck advances, cable moves up along guide hole, and when cable is detected by photoelectric receiving transducer 19, the coding 110 of photoelectric receiving transducer 19 is sent to frequency converter, frequency converter drives cable picking and laying machine motor reversal by the 15Hz with corresponding with coding 110, discharges cable.When engineering truck speed of advance is when very fast, cable is detected by photoelectric receiving transducer 18, and frequency converter will drive cable picking and laying machine motor reversal with corresponding 30Hz, discharge fast cable.When engineering truck retreats, the faster position of astern speed photoelectric receiving transducer more on the lower will detect cable, and cable picking and laying machine machine operation frequency is higher, and corresponding cable rolling speed is faster.What corresponding cable rolling was fastest is the coding 000 of photoelectric receiving transducer 25, and what corresponding cable rolling speed was the slowest is the coding 100 of photoelectric receiving transducer 21.
The related data contrast of the utility model and conventional confguration is as shown in table 1:
Table 1
Analysis by his-and-hers watches 1 can be found out: traditional cable picking and laying machine does not have sensor, cable rolling speed is certain, determined that it can not adjust in time according to the running state of engineering truck the action of taking up and laying cable conductors, very likely occurred receiving cable and roll not in time the situation that cable was pulled, broken to cable and electric discharge cable not in time.The utility model is determined the state of kinematic motion of engineering truck in the position in cable guide hole by n opto-electronic pickup check cable line, thereby determines the control of the folding and unfolding to cable of cable picking and laying machine.Compare advantage of the present utility model with traditional cable picking and laying machine and benefit has: 1, when vehicle accelerates to advance, system provides reverse signal to cable picking and laying machine motor, cable picking and laying machine discharges cable, greatly reduced by the vehicle pulling force that cable bears that accelerates to advance, actv. has been protected cable, be conducive to extend its life-span, reduced use cost; Reduced the load of vehicle when rapid movement.2, the control method adopting makes cable picking and laying machine motor just change reversion or reversion step-down speed forward by low speed, greatly reduce rotating moment switching to the impact of motor and physical construction and damage, actv. has extended the service life of cable picking and laying machine motor and associated mechanical structure.3, guaranteed the ride comfort of folding and unfolding cable.
Claims (1)
1. an electric drive engineering truck cable detects and automatic retraction device, its architectural feature is above to fixedly mount support (6) of " fourth " font at engineering truck (1), the retarder with power-transfer clutch (3) and the cable rolling dish (4) that at the top of support (6), electrical motor (2) are installed and connect with it, be wound with cable (7) on cable rolling dish (4), in the cantilever beam end of support (6), be provided with and detect and automatic retraction device (5), described detection and the structure of automatic retraction device are the cantilever beam tops that framework (14) is fixedly mounted on support (6), the left side of end is provided with carrying roller (9) behind top thereon, right side is provided with carrying roller (10) before top, carrying roller (11) before the right side of its bottom is provided with bottom, the rear of carrying roller (11) before carrying roller before top (10) and bottom, in front orientation, framework (14) middle part, be vertically installed with left side carrying roller (12) and right side carrying roller (13), top by framework (14), bottom, the middle room that the carrying roller that install on left side and right side forms is called guide hole (15), outside at left side carrying roller (12) and right side carrying roller (13), it is a left side for framework (14), n photoelectric receiving transducer and photoemission sensor (17) are housed respectively on right inside side from top to down, n is the integer of > 2, the installation site of n photoelectric receiving transducer requires to be evenly distributed in guide hole (15) orientation, side from top to bottom, and distance≤cable diameter of adjacent two photoelectric receiving transducers, controller (16) is arranged on below n photelectric receiver, the input of priority encoder wherein will be connected with the output signal of n photoelectric receiving transducer, the output of priority encoder will be connected with driving the input of chip, drive the output of chip to connect relay, the on-off signal of relay is delivered to frequency converter, cable (7) is connected with power supply through guide hole (15), the setting angle of detection and automatic retraction device (5) should guarantee to make guide hole (15) plane vertical with the cable (7) under the state that naturally mops floor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320297577.4U CN203428662U (en) | 2013-05-28 | 2013-05-28 | Detecting and automatic winding and unwinding device for electric drive engineering vehicle cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320297577.4U CN203428662U (en) | 2013-05-28 | 2013-05-28 | Detecting and automatic winding and unwinding device for electric drive engineering vehicle cable |
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| Publication Number | Publication Date |
|---|---|
| CN203428662U true CN203428662U (en) | 2014-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320297577.4U Expired - Fee Related CN203428662U (en) | 2013-05-28 | 2013-05-28 | Detecting and automatic winding and unwinding device for electric drive engineering vehicle cable |
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| CN (1) | CN203428662U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105500331A (en) * | 2015-12-31 | 2016-04-20 | 上海灿星文化传播有限公司 | Multipurpose intelligent camera robot |
| CN106348106A (en) * | 2015-07-24 | 2017-01-25 | 徐工集团工程机械股份有限公司 | Cable winding system measuring device, cable winding system and underground carry scraper |
| CN108116431A (en) * | 2017-12-22 | 2018-06-05 | 无锡市创恒机械有限公司 | Floor truck |
| CN114153238A (en) * | 2021-11-30 | 2022-03-08 | 中天科技海缆股份有限公司 | Target cable control method and device, storage medium and electronic device |
-
2013
- 2013-05-28 CN CN201320297577.4U patent/CN203428662U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106348106A (en) * | 2015-07-24 | 2017-01-25 | 徐工集团工程机械股份有限公司 | Cable winding system measuring device, cable winding system and underground carry scraper |
| CN105500331A (en) * | 2015-12-31 | 2016-04-20 | 上海灿星文化传播有限公司 | Multipurpose intelligent camera robot |
| CN105500331B (en) * | 2015-12-31 | 2023-09-22 | 上海灿星文化传媒股份有限公司 | Multipurpose intelligent camera robot |
| CN108116431A (en) * | 2017-12-22 | 2018-06-05 | 无锡市创恒机械有限公司 | Floor truck |
| CN114153238A (en) * | 2021-11-30 | 2022-03-08 | 中天科技海缆股份有限公司 | Target cable control method and device, storage medium and electronic device |
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| 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: 20140212 Termination date: 20160528 |