CN109457747B - Multi-layer steel wire rope winch automatic calibration device of double-wheel slot milling machine - Google Patents
Multi-layer steel wire rope winch automatic calibration device of double-wheel slot milling machine Download PDFInfo
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- CN109457747B CN109457747B CN201811520070.4A CN201811520070A CN109457747B CN 109457747 B CN109457747 B CN 109457747B CN 201811520070 A CN201811520070 A CN 201811520070A CN 109457747 B CN109457747 B CN 109457747B
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- wire rope
- steel wire
- arm support
- rope
- winch
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
- E02F5/08—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with digging wheels turning round an axis
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The invention discloses a double-wheel milling multi-layer steel wire rope winding automatic calibration device, which comprises: rope inlet detection device: the device comprises a first position sensor, a second position sensor and a control unit, wherein the first position sensor is used for detecting the position of a wire rope inlet on a winch drum relative to a wire rope outlet; steel wire rope layer number detection device: the second position sensor group is used for detecting the position of the pressure rope device; the rope pressing device comprises a hinged arm support, one end of the arm support is provided with a rotatable roller, and the other end of the arm support is provided with a spring which applies elasticity to the arm support to press the roller on a steel wire rope on the winch drum; wire rope number of turns detection device: the device comprises a distance sensor for detecting the distance between the outermost ring wire rope of the current layer on the winding drum and the distance sensor. The invention can automatically calibrate the number of layers and the number of turns of the steel wire rope, has high accuracy and avoids manual operation.
Description
Technical Field
The invention relates to the field of piling and engineering machinery, in particular to a device for hoisting a multi-layer steel wire rope and calculating the length of the steel wire rope.
Background
The double-wheel slot milling machine is one kind of underground construction equipment and is used in deep slot milling work mainly with tool rest to crush rock stratum or soil layer. According to construction requirements, the milling depth of the tool rest needs to be accurately displayed in the milling process. The tool rest is connected with the host machine through a steel wire rope and a winch winding the steel wire rope. During operation, the host controls the winch to rotate, so that the cutter frame is controlled to mill downwards.
The most direct way to measure the running depth is to directly measure the length of the steel wire rope corresponding to the number of turns of the winding. The number of turns is detected by an encoder arranged on the winch, and the lowering length of the steel wire rope is calculated. In the method for measuring the rotation angle of the winch through the encoder, the initial number of turns and the number of layers of the steel wire rope are required to be manually set, so that the lowering length of the steel wire rope is calculated as initial data.
At present, double-wheel milling, particularly ultra-high deep type milling, adopts multi-layer steel wire rope hoisting, and the transition disassembly and assembly equipment needs to rethread the steel wire rope, so that the initial state of the steel wire rope needs to be input again, and the unreeling length of the steel wire rope is calculated as an initial value. Because the length and the number of turns of the steel wire rope are manually checked and input into the system, errors of 0-1 turn possibly exist, calculation is inaccurate, and the precision requirement cannot be met. Meanwhile, the workload is increased by manually checking information and inputting the information into the system.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides the automatic calibrating device for the double-wheel milling multi-layer steel wire rope winch, which can automatically calibrate the number of layers and the number of turns of the steel wire rope, has high accuracy and avoids manual operation.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a double round slot milling machine multilayer wire rope hoist automatic calibration device which characterized in that includes:
rope inlet detection device: the device comprises a first position sensor, a second position sensor and a control unit, wherein the first position sensor is used for detecting the position of a wire rope inlet on a winch drum relative to a wire rope outlet;
steel wire rope layer number detection device: the second position sensor group is used for detecting the position of the pressure rope device; the rope pressing device comprises a hinged arm support, one end of the arm support is provided with a rotatable roller, and the other end of the arm support is provided with a spring which applies elasticity to the arm support to press the roller on a steel wire rope on the winch drum;
wire rope number of turns detection device: the device comprises a distance sensor for detecting the distance between the outermost ring wire rope of the current layer on the winding drum and the distance sensor.
The wire rope inlet is arranged on a rope pressing plate which rotates along with the winding drum.
The rope outlet of the steel wire rope is always positioned on the same horizontal line relative to the winding frame.
The first position sensor is arranged on the static hoisting frame and faces to the direction of the rope outlet of the steel wire rope on the hoisting drum.
The arm support is hinged on the base through a pin shaft; the second position sensor group is arranged on the base and faces the arm support direction.
The second position sensor group comprises a plurality of position sensors.
The distance sensor is arranged on the arm support.
The distance sensor is arranged on the arm support close to one end of the roller.
The roller is rotatably arranged on a roller fixing plate at one end of the arm support.
The distance sensor is arranged on the roller fixing plate.
The invention has the beneficial effects that:
the invention ensures that the number of turns of the calibrated steel wire rope is an integer by detecting and controlling the rope inlet and the rope outlet to be on the same horizontal line, and simultaneously detects the number of turns and the number of layers of the steel wire rope by means of a designed device, thereby achieving the purpose of automatic calibration. Through the detection of the information, the number of layers and the number of turns of the steel wire rope can be automatically and accurately calibrated, and the number of layers and the number of turns of the steel wire rope can be fed back to the system as an accurate initial value, and the number of turns can be further used for calculating the paying-off length of the hoisting steel wire rope so as to meet construction requirements. Through automatic calibration, accuracy can be guaranteed, and the problem of manually checking the number of turns of the steel wire rope can be avoided.
Drawings
FIG. 1 is a schematic diagram of detecting a rope inlet of a winch;
FIG. 2 is a diagram of the number of layers and turns of a hoisting detection steel wire rope;
FIG. 3 is a diagram of a device for detecting the number of layers and turns of a hoisting steel wire rope;
FIG. 4 is a block diagram of an automatic calibration device detection method.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present invention, and are not intended to limit the scope of the present invention.
As shown in fig. 1 to 3, the automatic calibration device for the steel wire rope winch mainly comprises three groups of detection devices: rope inlet detection device: the position sensor 4 detects the position of the rope pressing plate 3 and determines the position of the rope inlet; steel wire rope layer number detection device: the position sensor group 9 detects the specific position of the rope pressing device 8 and determines the layer number of the steel wire rope; wire rope number of turns detection device: the distance sensor 7 detects the length of the outer ring steel wire rope 6 of the current layer from the distance sensor 7, so that the number of turns of the steel wire rope in the current layer is calculated.
Rope inlet detection device: the rope pressing plate 3 provided with the steel wire rope inlet 5 rotates along with the winch, the steel wire rope outlet 1 is always positioned on the same horizontal line relative to the winch, and when the steel wire rope inlet 5 rotates to the same horizontal line position of the steel wire rope outlet 1, the number of turns of the steel wire rope at the outermost layer is an integer. The position sensor 4 is arranged at the outer side of the winch and is static relative to the whole vehicle and is positioned on the same horizontal line with the rope outlet position 1 of the steel wire rope. The position sensor 4 detects whether the positions of the wire rope inlet 5 and the wire rope outlet 1 are on the same horizontal line or not, and the calibrated number of turns of the wire rope is ensured.
The rope pressing device 8 is provided with a roller 11 capable of rotating around a pin shaft 12, a cantilever crane 14 connecting the roller 11 and a base 15, a pin shaft 13 fixed on the cantilever crane 14, a spring 10 fixed on the cantilever crane, a position sensor group 9 arranged on the base 15, and a distance sensor 7 arranged on a roller fixing plate 16. The arm support 14 is connected to the base 15 through the pin shaft 13 and can rotate around the pin shaft 13, and the spring 10 gives an external force to ensure that the roller 11 is always pressed on a steel wire rope or a winch. The position sensor group 9 includes a plurality of position sensors, which correspond to different positions for detecting the rotation of the arm support 14. When different layers of steel wire ropes exist on the winch drum, the arm support 14 rotates to different positions relative to the base 15, and the position sensor group 9 can detect the total layers of the steel wire ropes on the winch by detecting the positions of the arm support 14. The rope pressing device 8 is arranged at the outermost side of the winch, the distance sensor 7 can detect the distance of the steel wire rope which is more than or equal to 2 turns, and the turns of the steel wire rope on the current layer can be calculated according to the diameter of the steel wire rope.
The implementation of the specific detection method is shown in fig. 4, after an automatic calibration command is started, the controller collects the information of the position sensor 4, and if the position sensor 4 is powered on, the winch is controlled to recover to the position sensor 4 and lose power; if the position sensor 4 is powered off, the winch is controlled to be lowered to the position sensor 4 to be powered on, and the step ensures that the wire rope outlet 1 and the wire rope inlet 5 are positioned on the same horizontal line. The controller collects information of the position sensor group 9 and judges the number of layers of the steel wire rope. The controller collects data from the distance sensor 7 (accuracy 0.5 mm) and calculates the number of turns of the wire rope in the current layer from the measured total distance divided by the wire rope.
The invention can accurately and automatically detect the specific position of the steel wire rope through the designed device. Detecting the rope entering position of the steel wire rope through a sensor arranged at the outer side of the winch, and ensuring that the number of turns information input into the system is an integer; meanwhile, the number of layers of the steel wire rope can be detected through the detection device, and the number of turns of the steel wire rope on the number of layers can be measured through a distance measuring sensor (0.5 mm accuracy) arranged on the steel wire rope. Thus, the accuracy of the input information is ensured by detecting three groups of information through three groups of sensors. Meanwhile, the information is detected through the sensor, an operator does not need to collect, detect and input the information, the labor amount is reduced, and the accuracy is improved.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present invention, and such modifications and variations should also be regarded as being within the scope of the invention.
Claims (7)
1. The utility model provides a double round slot milling machine multilayer wire rope hoist automatic calibration device which characterized in that includes:
rope inlet detection device: the device comprises a first position sensor, a second position sensor and a control unit, wherein the first position sensor is used for detecting the position of a wire rope inlet on a winch drum relative to a wire rope outlet;
steel wire rope layer number detection device: the second position sensor group is used for detecting the position of the pressure rope device; the rope pressing device comprises a hinged arm support, one end of the arm support is provided with a rotatable roller, and the other end of the arm support is provided with a spring which applies elasticity to the arm support to press the roller on a steel wire rope on the winch drum;
wire rope number of turns detection device: the device comprises a distance sensor, a control unit and a control unit, wherein the distance sensor is used for detecting the distance between the outermost ring wire rope of the current layer on the winding drum and the distance sensor;
the first position sensor is arranged on the static hoisting frame and faces to the direction of the rope outlet of the steel wire rope on the hoisting drum;
the arm support is hinged on the base through a pin shaft; the second position sensor group is arranged on the base and faces the arm support direction;
the distance sensor is arranged on the arm support close to one end of the roller.
2. The automatic calibration device for multi-layer steel wire rope winch of the double-wheel slot milling machine according to claim 1, wherein the steel wire rope inlet is arranged on a rope pressing plate rotating together with the winch barrel.
3. The automatic calibration device for the multi-layer steel wire rope winch of the double-wheel slot milling machine according to claim 1, wherein the rope outlet position of the steel wire rope is always on the same horizontal line relative to the winch frame.
4. The automatic calibration device for the multi-layer steel wire rope winch of the double-wheel slot milling machine according to claim 1, wherein the second position sensor group comprises a plurality of position sensors.
5. The automatic calibration device for the multi-layer steel wire rope winch of the double-wheel slot milling machine according to claim 1, wherein the distance sensor is arranged on the arm support.
6. The automatic calibration device for the multi-layer steel wire rope winch of the double-wheel slot milling machine according to claim 1, wherein the roller is rotatably arranged on a roller fixing plate at one end of the arm support.
7. The automatic calibration device for the multi-layer steel wire rope winch of the double-wheel slot milling machine according to claim 5, wherein the distance sensor is arranged on the roller fixing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811520070.4A CN109457747B (en) | 2018-12-12 | 2018-12-12 | Multi-layer steel wire rope winch automatic calibration device of double-wheel slot milling machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811520070.4A CN109457747B (en) | 2018-12-12 | 2018-12-12 | Multi-layer steel wire rope winch automatic calibration device of double-wheel slot milling machine |
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| CN109457747A CN109457747A (en) | 2019-03-12 |
| CN109457747B true CN109457747B (en) | 2023-09-01 |
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| CN201811520070.4A Active CN109457747B (en) | 2018-12-12 | 2018-12-12 | Multi-layer steel wire rope winch automatic calibration device of double-wheel slot milling machine |
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| CN203782777U (en) * | 2014-02-13 | 2014-08-20 | 徐工集团工程机械股份有限公司 | Lifting device for double ringing slotter |
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| CN104981570A (en) * | 2012-12-12 | 2015-10-14 | 维米尔制造公司 | Systems and methods for sensing wear of reducing elements of a material reducing machine |
| CN108130927A (en) * | 2017-12-08 | 2018-06-08 | 徐工集团工程机械有限公司 | A kind of soil milling device |
| CN108750955A (en) * | 2018-08-03 | 2018-11-06 | 中国十九冶集团有限公司 | It detects the device and method of elevator rope stretching length and obtains suspension hook terrain clearance method |
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2018
- 2018-12-12 CN CN201811520070.4A patent/CN109457747B/en active Active
Patent Citations (10)
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| JP2001132008A (en) * | 1999-10-29 | 2001-05-15 | Komatsu Ltd | Safety device for multistage expansion type working machine |
| JP2002146829A (en) * | 2000-11-10 | 2002-05-22 | Nishimatsu Constr Co Ltd | Position detector of underground continuous wall excavator |
| JP2002274778A (en) * | 2001-03-14 | 2002-09-25 | Komatsu Ltd | Dynamic lift-off swing protective device |
| JP2003253665A (en) * | 2002-02-27 | 2003-09-10 | Takenaka Doboku Co Ltd | Wire type excavation accuracy control device for soil improving and treating machine |
| CN104981570A (en) * | 2012-12-12 | 2015-10-14 | 维米尔制造公司 | Systems and methods for sensing wear of reducing elements of a material reducing machine |
| CN203998769U (en) * | 2013-11-06 | 2014-12-10 | 中联重科股份有限公司 | The anti-mistake of hoisting crane and elevator thereof is put device |
| CN103603402A (en) * | 2013-12-03 | 2014-02-26 | 徐工集团工程机械股份有限公司 | Sounding device and method for grooving construction of double-wheel slot milling machine |
| CN203782777U (en) * | 2014-02-13 | 2014-08-20 | 徐工集团工程机械股份有限公司 | Lifting device for double ringing slotter |
| CN108130927A (en) * | 2017-12-08 | 2018-06-08 | 徐工集团工程机械有限公司 | A kind of soil milling device |
| CN108750955A (en) * | 2018-08-03 | 2018-11-06 | 中国十九冶集团有限公司 | It detects the device and method of elevator rope stretching length and obtains suspension hook terrain clearance method |
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