CN207991835U - Coalcutter guide slip shoe service life early warning system - Google Patents
Coalcutter guide slip shoe service life early warning system Download PDFInfo
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- CN207991835U CN207991835U CN201820433271.XU CN201820433271U CN207991835U CN 207991835 U CN207991835 U CN 207991835U CN 201820433271 U CN201820433271 U CN 201820433271U CN 207991835 U CN207991835 U CN 207991835U
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- coalcutter
- slip shoe
- guide slip
- service life
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Abstract
The utility model is related to a kind of coalcutter guide slip shoe service life early warning systems, including absolute position encoder and data processing module, the absolute position encoder be coaxially mounted to coalcutter coal wall side-lining portion lead at three axis or traveling box Lao Tang side drive wheels at, the signal output end of the absolute position encoder accesses the travel distance input terminal of the data processing module, the pre-warning signal output end of the data processing module accesses the electric-control system of coalcutter by CAN bus, the display signal input part of the display screen of the display signal output end connection coalcutter of the electric-control system.The service life of the utility model energy intelligent predicting guide slip shoe reduces the number of artificial detection guide slip shoe, reduces working strength, effectively avoids guide slip shoe excessive wear and bring secondary damage.
Description
Technical field
The utility model belongs to excavating equipment technical field, is related to a kind of service life early warning system of coalcutter guide slip shoe
System.
Background technology
Coal in China rich reserves, coal production occupy first place in the world.Coalcutter is increasingly towards intelligent, manless working face
Direction develop.Guide slip shoe is mounted in shearer haulage running gear, plays guiding and fixed traveling wheel and scrapper conveyor
Pin row engages the effect of distance.Since coalcutter operating mode is more severe, guide slip shoe is most weak zero of coalcutter running gear
One of part, the guide slip shoe service life is all that manually detection is judged that detection difficulty is big at present, and working strength is high；Guide slip shoe
Once abrasion is exceeded, the normal engagement of can deteriorate significantly walking wheel of coal cutter and scrapper conveyor pin row, traveling wheel and pin row are reduced
Service life affects the reliability of coalcutter and the Homes Using TV of mine.
Invention content
The utility model is intended to provide a kind of coalcutter guide slip shoe service life early warning system, can intelligent predicting guide slip shoe
Service life, reduce artificial detection guide slip shoe number, reduce working strength, effectively avoid guide slip shoe excessive wear and bring
Secondary damage.
The main technical schemes of the utility model have：
A kind of coalcutter guide slip shoe service life early warning system, including absolute position encoder and data processing module,
The absolute position encoder be coaxially mounted to coalcutter coal wall side-lining portion lead at three axis or the sides traveling box Lao Tang driving
At wheel, the signal output end of the absolute position encoder accesses the travel distance input terminal of the data processing module, institute
The pre-warning signal output end for stating data processing module accesses the electric-control system of coalcutter by CAN bus, the electric-control system
Show the display signal input part of the display screen of signal output end connection coalcutter.
The absolute position encoder preferably uses shaft type absolute position encoder.
The coalcutter guide slip shoe service life early warning system can also include angular sensor component, the rotation
The fixed part of angle sensor device assembly is mounted on coalcutter fuselage, and the movable part of the angular sensor component is through rocking bar
It is fixedly connected with rocker arm of coal mining machine, when rocking arm is in level, the angular sensor component zero setting, the rotation angle
The signal output end of sensor accesses the rocking arm pivot angle signal input part of the data processing module.
The fixed part of the angular sensor component can be fixed on coalcutter Lao Tang side-linings by sensor holder
At swivel pin axis hole.
The data processing module is mounted in explosion-proof casing, and the explosion-proof casing can be fixed on the sides coalcutter Lao Tang shell
On body.
Cover board is fixed at the lower openings of the explosion-proof casing, it is close by sealing ring between the cover board and explosion-proof casing
Envelope.
The top of the explosion-proof casing is preferably provided with several patchplugs, pass in and out the cable of the data processing module via
The patchplug is attached.
The coalcutter guide slip shoe service life early warning system can also include that the infrared emission being mounted on coalcutter passes
Sensor.
The infrared emission sensor may be mounted at the sides coalcutter Lao Tang, corresponding with receiver on hydraulic support.
The utility model has the beneficial effects that：
The utility model is provided with absolute position encoder, and when coalcutter is walked, data processing module receives coding
The measured data of device converts according to the relationship between the number of turns and the travel distance of coalcutter of encoder rotation, can be adopted
The practical travel distance of coal machine.As long as persistently being added up to obtain accumulative travel distance to practical travel distance, when accumulative walking
When distance meets or exceeds the design travel distance of coalcutter, you can be determined as that coalcutter guide slip shoe has reached service life pole
It limits, then data processing module transmits warning information to the electric-control system of coalcutter, and pre-warning signal is sent out by electric-control system,
Staff is prompted to check or replace guide slip shoe.There is on-line prediction guide slip shoe service life function, can significantly reduce artificial
The number of guide slip shoe is detected, person works' intensity is reduced, replaces guide slip shoe in time, effectively avoid excessively grinding because of guide slip shoe
It damages and brings secondary damage.
Due to being provided with angular sensor component, rocking arm pivot angle can be detected in real time, joined according to the fuselage of coalcutter
Number, so that it may to calculate the mining height of coalcutter.It, can since mining height has larger impact for the loss of the wearing layer of guide slip shoe
To correct the travel distance data of guide slip shoe in real time using mining height data, make guide slip shoe life prediction closer to practical feelings
Condition improves accuracy and the confidence level of life prediction.
Description of the drawings
Fig. 1 is the principles of the present invention block diagram；
Fig. 2 is the scheme of installation of one embodiment of the rocking arm angle sensor component of the utility model；
Fig. 3 is the scheme of installation of one embodiment of the walking position encoder component of the utility model；
Fig. 4 is the structural schematic diagram of the one embodiment at the Mine-used I. S signal processing center of the utility model；
Fig. 5 is the side view of Fig. 4.
Specific implementation mode
The utility model discloses a kind of coalcutter guide slip shoe service life early warning systems, as shown in Fig. 3,5, including it is absolute
It is worth position coder 6 and data processing module 12.The absolute position encoder is coaxially mounted to coalcutter coal wall side-lining
Portion lead at three axis or traveling box Lao Tang side drive wheels at.The signal output end of the absolute position encoder accesses the number
According to the travel distance input terminal of processing module, the pre-warning signal output end of the data processing module is adopted by CAN bus access
The electric-control system of coal machine, the display signal input of the display screen of the display signal output end connection coalcutter of the electric-control system
End.
The data processing module according to the data of the absolute position encoder, at head, tail position and
Often when walking a distance (such as 5m), the calculating of travel distance data is carried out, and is added up to travel distance data, is judged
Whether accumulated value meets or exceeds design travel distance.When meeting or exceeding design travel distance, you can make guide slip shoe and reach
To the prediction in service life, at this point, transmitting a signal to Electric Control System of Coal Cutter by CAN bus, electric-control system issues warning signal, and
The display reminding information on coalcutter failure screen, and audio alert is carried out, prompt related personnel's field review guide slip shoe
Wear extent it is whether exceeded or replace guide slip shoe.Before electric-control system issues warning signal, artificial detection guiding is eliminated
The operation of the wear-resisting layer thickness of piston shoes, dramatically reduces hand labor intensity.
The data processing module can be equipped with built-in memory, can also external memorizer, after obtaining accumulated value,
Total travel distance after adding up can be stored simultaneously spare.
The absolute position encoder preferably uses shaft type absolute position encoder.
As shown in Fig. 2, the coalcutter further preferably includes angular sensor group with guide slip shoe service life early warning system
The fixed part of part 2, the angular sensor component is mounted on coalcutter fuselage, the angular sensor component
Movable part is fixedly connected through rocker assembly 3 with rocker arm of coal mining machine, when rocking arm is in level, the angular sensor component
Zero setting.The signal output end of the angular sensor accesses the rocking arm pivot angle signal input part of the data processing module.
Corresponding functional block diagram is as shown in Figure 1.
When coal mining machine rocker arm height is swung, rocker assembly rotation is driven, and then drive the angular sensor group
Part rotates, therefore the angular sensor component senses rocking arm pivot angle.By detecting rocking arm pivot angle, in conjunction with coalcutter
Body parameters, so that it may calculate the mining height of coalcutter.Mining height is for the abrasion important of guide slip shoe wearing layer, wearing layer
The degree of wear it is again directly related with the service life of guide slip shoe, therefore by mining height data, can further correct guide slip shoe
Life prediction as a result, to improve the accuracy and confidence level of life prediction.
In the present embodiment, the coalcutter includes mainly rocking arm angle sensor group with guide slip shoe service life early warning system
Part, walking position encoder component and Mine-used I. S signal processing center.The angular sensor component, absolute value position
It is respectively rocking arm angle sensor component, walking position encoder component and Mine-used I. S to set encoder and data processing module
The core component at signal processing center.
The rocking arm angle sensor component is mounted on the sides coalcutter Lao Tang, as shown in Fig. 2, wherein sensor holder 1 is fixed
At traction swivel pin axis hole, angular sensor component (see the part that the hatching of 2 instructions in Fig. 2 is closeer) is consolidated
To determine portion to be mounted on the sensor holder by screw, 4 one end of rocker assembly can be fixed on by bolt etc. on the rocking arm of swing,
Rocker assembly 4 is connected with the movable part of angular sensor component 2.Shield 3 protects angular sensor component 2 and rocking bar
The relatively weakness of component 4.It is transferred to Mine-used I. S signal processing by measuring the rocking arm pivot angle of coalcutter in real time, then data
Center, so that it may to obtain mining height of coal mining machine.
The walking position encoder component is led at three axis mounted on coalcutter coal wall side-lining portion or traveling box Lao Tang
At side drive wheel, as shown in figure 3, wherein fixed seat 5 is mounted on by fastener 8 at three shaft gears of traction on shell, shaft type is exhausted
Value position coder 6 is mounted in the fixed seat, rotation is driven by the gear in shell.Cover board 7 is mounted on described solid
The top of reservation, position coder is enclosed in fixed seat, and the output signal line of position coder is from the side wall of fixed seat
It is pierced by.When coalcutter is walked, between the number of turns rotated according to shaft type absolute position encoder 6 and the travel distance of coalcutter
Relationship converts, and can obtain the distance of coalcutter walking.
As shown in Figure 4,5, Mine-used I. S signal processing center also includes explosion-proof casing 9, the data processing mould
Block is mounted in the explosion-proof casing, and the explosion-proof casing can be fixed on coalcutter Lao Tang side bodies.
Cover board 10 is fixed at the lower openings of the explosion-proof casing, it is close by sealing ring between the cover board and explosion-proof casing
Envelope, and be screwed.The explosion-proof casing is fixed on the suitable position of the sides shearer's shell Lao Tang by threaded fastener 13
It sets.
The top of the explosion-proof casing is preferably provided with several patchplugs 11, passes in and out the cable of the data processing module
(including access the sensor cable of the data processing module and drawn by data processing module and access Electric Control System of Coal Cutter
Signal output cable) be attached via the patchplug.
Mine-used I. S signal processing center is used to handle the signal and walking position of rocking arm angle sensor component
The mining height of coalcutter is calculated according to rocking arm angle sensor component to signal in the signal of encoder component, according to walking position
Set the signal of encoder component at head, tail position and often walk a distance when, carry out the meter of travel distance data
It calculates and corrects, complete the calculating of guide slip shoe wear-out life.It is total by CAN when reaching the guide slip shoe wearing layer limit of wear
Line transmits a signal to Electric Control System of Coal Cutter, and electric-control system issues warning signal, and is carried in coalcutter malfunction coefficient screen display
Show information.At this point, related personnel needs to carry out manual inspection on the spot to the wear-resisting layer thickness of residue of guide slip shoe, if reached really
To the limit of wear, guide slip shoe should be replaced in time, if still there is certain thickness remaining wearing layer for coalcutter normal walking
For a period of time, the wear-resisting layer thickness value of residue that can be surveyed accordingly, which is corrected in guide slip shoe life prediction, is used as setting for comparison basis
Travel distance data are counted, service life prediction is then proceeded to.
The coalcutter guide slip shoe service life early warning system can also include that the infrared emission being mounted on coalcutter passes
Sensor.When coalcutter is in working face scrapper conveyor head tail portion, coalcutter is positioned by the infrared emission sensor of coalcutter
Starting point.The infrared emission sensor is typically mounted on the sides coalcutter Lao Tang, corresponding with receiver on hydraulic support, scene
It is installed when debugging.
The utility model meets underground electrical equipment safety requirements, and equipment size is small, and easy for installation, can be used as and mine
The apolegamy function of machine configuration, predicts the service life of guide sliding shoe of coal-winning machine wearing layer.
Claims (9)
1. a kind of coalcutter guide slip shoe service life early warning system, it is characterised in that：Including absolute position encoder and data
Processing module, the absolute position encoder are coaxially mounted to that coalcutter coal wall side-lining portion is led at three axis or traveling box is old
Tang Cequdonglunchu, the travel distance that the signal output end of the absolute position encoder accesses the data processing module are defeated
Enter end, the pre-warning signal output end of the data processing module accesses the electric-control system of coalcutter by CAN bus, described automatically controlled
The display signal input part of the display screen of the display signal output end connection coalcutter of system.
2. coalcutter as described in claim 1 guide slip shoe service life early warning system, it is characterised in that：The absolute position
Encoder uses shaft type absolute position encoder.
3. coalcutter as claimed in claim 2 guide slip shoe service life early warning system, it is characterised in that：It further include rotation angle
The fixed part of sensor module, the angular sensor component is mounted on coalcutter fuselage, the rotation angle sensing
The movable part of device assembly is fixedly connected through rocking bar with rocker arm of coal mining machine, when rocking arm is in level, the angular sensor
The signal output end of component zero setting, the angular sensor accesses the rocking arm pivot angle signal input of the data processing module
End.
4. coalcutter as claimed in claim 3 guide slip shoe service life early warning system, it is characterised in that：The rotation angle passes
The fixed part of sensor component is fixed on by sensor holder at coalcutter Lao Tang side-lining swivel pin axis holes.
5. coalcutter as described in claim 1 guide slip shoe service life early warning system, it is characterised in that：The data processing mould
Block is mounted in explosion-proof casing, and the explosion-proof casing is fixed on coalcutter Lao Tang side bodies.
6. coalcutter as claimed in claim 5 guide slip shoe service life early warning system, it is characterised in that：The explosion-proof casing
It is fixed with cover board at lower openings, is sealed by sealing ring between the cover board and explosion-proof casing.
7. coalcutter as claimed in claim 5 guide slip shoe service life early warning system, it is characterised in that：The explosion-proof casing
Top is equipped with several patchplugs, and the cable for passing in and out the data processing module is attached via the patchplug.
8. the coalcutter guide slip shoe service life early warning system as described in any one in claim 1-7, it is characterised in that：Also
It include the infrared emission sensor on coalcutter.
9. coalcutter as claimed in claim 8 guide slip shoe service life early warning system, it is characterised in that：The infrared emission passes
Sensor is mounted on the sides coalcutter Lao Tang, corresponding with receiver on hydraulic support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820433271.XU CN207991835U (en) | 2018-03-29 | 2018-03-29 | Coalcutter guide slip shoe service life early warning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820433271.XU CN207991835U (en) | 2018-03-29 | 2018-03-29 | Coalcutter guide slip shoe service life early warning system |
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| Publication Number | Publication Date |
|---|---|
| CN207991835U true CN207991835U (en) | 2018-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820433271.XU Active CN207991835U (en) | 2018-03-29 | 2018-03-29 | Coalcutter guide slip shoe service life early warning system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108254212A (en) * | 2018-03-29 | 2018-07-06 | 天地科技股份有限公司上海分公司 | Coalcutter guide slip shoe life prediction algorithm and service life early warning system |
-
2018
- 2018-03-29 CN CN201820433271.XU patent/CN207991835U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108254212A (en) * | 2018-03-29 | 2018-07-06 | 天地科技股份有限公司上海分公司 | Coalcutter guide slip shoe life prediction algorithm and service life early warning system |
| CN108254212B (en) * | 2018-03-29 | 2024-07-12 | 天地科技股份有限公司上海分公司 | Guide sliding shoe service life prediction algorithm for coal mining machine and service life early warning system |
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