CN109625844A - Control System of Belt Conveyer and control method - Google Patents
Control System of Belt Conveyer and control method Download PDFInfo
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- CN109625844A CN109625844A CN201811429901.7A CN201811429901A CN109625844A CN 109625844 A CN109625844 A CN 109625844A CN 201811429901 A CN201811429901 A CN 201811429901A CN 109625844 A CN109625844 A CN 109625844A
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 230000015556 catabolic process Effects 0.000 claims description 12
- 230000007246 mechanism Effects 0.000 claims description 7
- 238000011897 real-time detection Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 description 10
- 239000004568 cement Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000002706 hydrostatic effect Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000011900 installation process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
- B65G43/02—Control devices, e.g. for safety, warning or fault-correcting detecting dangerous physical condition of load carriers, e.g. for interrupting the drive in the event of overheating
Abstract
The invention discloses a kind of Control System of Belt Conveyer and control methods, Control System of Belt Conveyer includes conveyer ontology and controller, at least one hydraulic prop for being used to support the conveyer ontology is provided on the conveyer ontology, the hydraulic prop includes oil cylinder and telescopic rod, one end of the telescopic rod is flexibly connected with the oil cylinder, the other end of the telescopic rod is connect with mine roof, wherein: the controller, for when the first support pressure between the telescopic rod and the mine roof is more than pre-set support pressure threshold, control the hydraulic pressure of the oil cylinder.Implement the present invention, setting is used to support the hydraulic prop of conveyer ontology on conveyer ontology, and realization is convenient for disassembly and assembly, and hydraulic prop can reuse, and reduce cost.And it realizes according to the hydraulic pressure of the first support pressure control oil cylinder by the first support pressure between pressure sensor real-time detection telescopic rod and mine roof and automatically controls hydraulic prop.
Description
Technical field
The present invention relates to technical field of coal mine more particularly to a kind of Control System of Belt Conveyer and control methods.
Background technique
Belt conveyor is a kind of machinery of friction-driven transported material in a continuous manner.Mainly by rack, conveyer belt, support
The composition such as roller, roller, tensioning apparatus, transmission device.It can by material on certain pipeline, from it is initial for shots to
A kind of conveying process of material is formed between final emptying point.It can both carry out the conveying of granular material, can also carry out into
The conveying of part article.
In colliery industry, it usually needs belt conveyor is set up under mine, by coal mine from underground haulage to ground
Face.Currently, the installation method of existing belt conveyor generallys use the cement ground that certain altitude is first arranged, then in cement
Belt conveyor is finally fixed on cement ground by ground embedded set ground anchor bolt by ground anchor bolt, and installation procedure is complicated,
Low efficiency, and cement ground can not be moved with the propulsion of mine working face, cement ground can not reuse, and cause wave
Take, improves cost.
Summary of the invention
It is an object of the invention to overcome the dismounting of the belt conveyor of the prior art inconvenient, and cement ground can not repeat benefit
With, deficiency at high cost, a kind of Control System of Belt Conveyer and control method are provided.
Technical solution of the present invention provides a kind of Control System of Belt Conveyer, including conveyer ontology and controller, institute
It states and is provided at least one hydraulic prop for being used to support the conveyer ontology on conveyer ontology, the hydraulic prop includes
Oil cylinder and telescopic rod, one end of the telescopic rod are flexibly connected with the oil cylinder, the other end and mine roof of the telescopic rod
Connection, in which:
The controller, for being more than to set in advance when the first support pressure between the telescopic rod and the mine roof
When the support pressure threshold set, the hydraulic pressure of the oil cylinder is controlled.
Further, the support pressure threshold include first son support pressure threshold, second son support pressure threshold and
Third support pressure threshold, it is described first son support pressure threshold be greater than third support pressure threshold, described first
Son support pressure threshold is less than the second son support pressure threshold, and the controller is specifically used for:
When the first support pressure is less than or equal to the first son support pressure threshold, the oil cylinder ftercompction is controlled；
When the first support pressure is more than or equal to the second son support pressure threshold, alarm for high voltage is carried out；
When the first support pressure is less than or equal to third support pressure threshold, the belt conveyor is controlled
It shuts down.
Further, the controller includes: breakdown judge unit, for being calculated according to the in-oil cylinder hydraulic pressure
The oil cylinder supports pressure to the second of the mine roof out, when the first support pressure and described second supports pressure
When pressure difference is more than pre-set first threshold pressure differential, judge that the mine roof sinks.
Further, the breakdown judge unit is also used to:
When the pressure difference of the first support pressure and the second support pressure is more than pre-set second threshold pressure differential
And/or the number of the oil cylinder ftercompction is more than when presetting the ftercompction frequency threshold value of setting, to judge the hydraulic prop leakage, it is described
Second threshold pressure differential is less than first threshold pressure differential.
Further, the junction of the oil cylinder and the telescopic rod is provided with for preventing the telescopic rod described in
The lockable mechanism that oil cylinder direction is shunk.
Further, further include pillar fixed frame for being fixed on the hydraulic prop on the conveyer ontology,
The lockable mechanism includes lantern ring and gasket, and the lantern ring is socketed in the junction of the oil cylinder and the telescopic rod, the pad
Piece is fixed on the pillar fixed frame, and connect with the bottom of the lantern ring.
Technical solution of the present invention provides a kind of control method of foregoing Control System of Belt Conveyer, comprising:
Detect the first support pressure between the telescopic rod and the mine roof；
When the first support pressure is more than pre-set support pressure threshold, the hydraulic pressure of the oil cylinder is controlled
Power.
Further, the support pressure threshold include first son support pressure threshold, second son support pressure threshold and
Third support pressure threshold, it is described first son support pressure threshold be greater than third support pressure threshold, described first
Son support pressure threshold is less than the second son support pressure threshold, described when the first support pressure is more than pre-set
When supporting pressure threshold, the hydraulic pressure of the oil cylinder is controlled, is specifically included:
When the first support pressure is less than or equal to the first son support pressure threshold, the oil cylinder ftercompction is controlled；
When the first support pressure is more than or equal to the second son support pressure threshold, alarm for high voltage is carried out；
When the first support pressure is less than or equal to third support pressure threshold, the belt conveyor is controlled
It shuts down.
Further, further includes:
Detect the in-oil cylinder hydraulic pressure；
The oil cylinder is calculated according to the hydraulic pressure and supports pressure to the second of the mine roof, when described first
When the pressure difference of pressure and the second support pressure being supported to be more than pre-set first threshold pressure differential, the mine roof is judged
Sink.
Further, further includes:
When the pressure difference of the first support pressure and the second support pressure is more than pre-set second threshold pressure differential
And/or the number of the oil cylinder ftercompction is more than when presetting the ftercompction frequency threshold value of setting, to judge the hydraulic prop leakage, it is described
Second threshold pressure differential is less than first threshold pressure differential.
After adopting the above technical scheme, have the following beneficial effects: by conveyer ontology be arranged be used to support it is defeated
Send the hydraulic prop of machine ontology.When installation, the other end of telescopic rod is connect by pressure sensor with mine roof, it can be complete
At the installation of belt conveyor.Disassembly process on the contrary, realization is convenient for disassembly and assembly, improves working efficiency, and hydraulic branch with installation process
Column can reuse, and reduce cost.And pass through first between pressure sensor real-time detection telescopic rod and mine roof
Bulging power is realized according to the hydraulic pressure of the first support pressure control oil cylinder and automatically controls hydraulic prop.
Detailed description of the invention
Referring to attached drawing, the disclosure of the present invention will become more readily understood.It is understood that these attached drawings are merely illustrative
Purpose, and be not intended to limit the scope of protection of the present invention.In figure:
Fig. 1 is a kind of structural schematic diagram for Control System of Belt Conveyer that one embodiment of the invention provides；
Fig. 2 is the structural schematic diagram of hydraulic prop shown in FIG. 1；
Fig. 3 is a kind of workflow of the control method for Control System of Belt Conveyer that one embodiment of the invention provides
Figure；
Fig. 4 is a kind of workflow of the control method for Control System of Belt Conveyer that alternative embodiment of the present invention provides
Figure.
Specific embodiment
Further illustrate a specific embodiment of the invention with reference to the accompanying drawing.
It is readily appreciated that, according to the technique and scheme of the present invention, in the case where not changing true spirit, the general skill of this field
The various structures mode and implementation that art personnel can be replaced mutually.Therefore, following specific embodiments and attached drawing are only
To the exemplary illustration of technical solution of the present invention, and it is not to be construed as whole of the invention or is considered as to inventive technique scheme
It defines or limits.
It mentions in the present specification or up, down, left, right, before and after, front, the back side, top, the bottom that may mention etc.
Positional terms are defined relative to each construction shown in the drawings, they are opposite concepts, and it is therefore possible to can root
Correspondingly changed according to different location locating for it, different use states.So also should not be by these or others side
Position term is construed to restricted term.
Embodiment one
As depicted in figs. 1 and 2, Fig. 1 is a kind of structure for Control System of Belt Conveyer that one embodiment of the invention provides
Schematic diagram, Fig. 2 are the structural schematic diagrams of hydraulic prop shown in FIG. 1, which includes conveyer ontology 10 and controller,
The hydraulic prop 20 for being used to support the conveyer ontology is provided on conveyer ontology 10, hydraulic prop 20 includes 21 He of oil cylinder
One end of telescopic rod 22, telescopic rod 22 is flexibly connected with oil cylinder 21, and the other end of telescopic rod 22 is connect with mine roof, in which:
Controller, for being more than pre-set branch bulging when the first support pressure between telescopic rod 22 and mine roof
When force threshold, the hydraulic pressure of oil cylinder 21 is controlled.
The other end of telescopic rod 22 can be connect by pressure sensor 23 with mine roof, and telescopic rod 22 can pass through hinge
It the modes such as connects, be bolted to connect with mine roof, it is preferred that pressure sensor 23 is pin type pressure sensor, telescopic rod
22 other end is connect with mine roof pin shaft.
Oil cylinder 21 is used to control the flexible of telescopic rod 22, and hydraulic prop 20 is enable to support mine roof.When installation, pass through
Controller controls oil cylinder pressurization, extends telescopic rod 22 towards mine roof direction, then by the other end and mine of telescopic rod 22
Belt conveyor, can be fixed between mine roof and ground, complete the installation of belt conveyor by the connection of well top plate；Disassembly
Process is with installation process on the contrary, realizing convenient for disassembly and assembly.Since hydraulic prop 20 is arranged on conveyer ontology 10, hydraulic branch
Column 20 can be elapsed with the propulsion of mine working face, reusable, reduce cost.
Controller can choose the computer with processor chips realization, also can be set in belt conveyor can
Programmed logic controller (Programmable Logic Controller, PLC).Pressure sensor 23 is with controller by having
Line or wireless connection, the first support pressure between the telescopic rod 22 that will test of pressure sensor 23 and mine roof are sent
To controller, controller receive pressure sensor 23 transmission first support pressure when with pre-set support pressure threshold
It is compared, when the first support pressure is more than pre-set support pressure threshold, controls the hydraulic pressure of oil cylinder 21, such as control
21 ftercompction of liquefaction cylinder, pressure release etc..Preferably, pre-set support pressure threshold can be 300,000 N -500 thousand Ns.
Preferably, in order to enhance the support force of hydraulic prop 20, stability is improved, hydraulic prop 20 includes that setting is conveying
Unloading hydraulic prop in the uninstalling portion of machine ontology 10, the main drive hydraulic prop being arranged in the main drive portion of conveyer ontology 10,
The pair being arranged in the secondary drive portion of conveyer ontology 10 drives hydraulic prop, the tensioning being arranged on the tensioning device of conveyer ontology 10
One of hydraulic prop and the winding hydraulic prop being arranged on the tape handler of conveyer ontology 10 are a variety of.
Control System of Belt Conveyer provided by the invention is used to support conveyer sheet by being arranged on conveyer ontology
The hydraulic prop of body.When installation, the other end of telescopic rod is connect by pressure sensor with mine roof, belt can be completed
The installation of conveyer.Disassembly process on the contrary, realization is convenient for disassembly and assembly, improves working efficiency with installation process, and hydraulic prop can be with
Recycling, reduces cost.And pressure is supported by first between pressure sensor real-time detection telescopic rod and mine roof,
According to the hydraulic pressure of the first support pressure control oil cylinder, realizes and automatically control hydraulic prop.
Optionally, in order to improve accuracy, support pressure threshold includes that the first son supports pressure threshold, the second sub- branch bulging
Force threshold and third support pressure threshold, and the first son support pressure threshold is greater than third and supports pressure threshold, the first son branch
Bulging force threshold is specifically used for less than the second son support pressure threshold, controller:
When the first support pressure is less than or equal to the first son support pressure threshold, 21 ftercompction of oil cylinder is controlled；
When the first support pressure is more than or equal to the second son support pressure threshold, alarm for high voltage is carried out；
When the first support pressure is less than or equal to third support pressure threshold, control belt conveyor is shut down.
Specifically, the first son support pressure threshold and the second son support pressure threshold can be set to pressure sensor 23 just
Normal pressure power control interval threshold value, when the first support pressure that pressure sensor 23 detects is in the first son support pressure threshold and second
Son support pressure threshold when be it is normal, avoid oil cylinder 21 from being in higher load condition.
Optionally, as shown in Fig. 2, controller includes:
Breakdown judge unit, for calculating oil cylinder 21 to second of mine roof according to the hydraulic pressure in oil cylinder 21
Bulging power judges mine when the pressure difference of the first support pressure and the second support pressure is more than pre-set first threshold pressure differential
Well crushes.
Specifically, hydrostatic sensor can be arranged in oil cylinder 21, for detecting the hydraulic pressure in oil cylinder 21, hydraulic biography
Sensor and controller are sent to by wired or wireless connection, the hydraulic pressure in oil cylinder 21 that hydrostatic sensor will test
Controller, the breakdown judge unit in controller calculate the second support pressure using following formula:
F '=P*S
Wherein, F ' is the second support pressure, and P is hydraulic pressure, and S is the cross-sectional area of the stress of oil cylinder.
Meanwhile the first support pressure is compared by breakdown judge unit with the second support pressure, when the first support pressure
When being more than pre-set first threshold pressure differential with the pressure difference of the second support pressure, judge that mine roof sinks, realizes that belt is defeated
Machine breakdown judge is sent, safety is improved.First threshold pressure differential, which can according to need, to be configured.
Optionally, in order to further improve the security, breakdown judge unit is also used to:
When the pressure difference of the first support pressure and the second support pressure is more than pre-set second threshold pressure differential and/or oil cylinder
When the number of 21 ftercompctions is more than the ftercompction frequency threshold value of default setting, 20 leakage of hydraulic prop is judged, the second threshold pressure differential is less than
First threshold pressure differential.
Specifically, the second threshold pressure differential can according to need and be configured, the second threshold pressure differential is less than the first threshold pressure differential.
Ftercompction frequency threshold value, which can according to need, to be configured, if ftercompction frequency threshold value is 10 times.
Optionally, the junction of oil cylinder 21 and telescopic rod 22 is provided with for preventing telescopic rod 22 from receiving towards 21 direction of oil cylinder
The lockable mechanism 24 of contracting.
When breakdown judge unit judges mine roof sinks, lockable mechanism 24 is used to support telescopic rod 22, prevents from stretching
Bar 22 is shunk towards 21 direction of oil cylinder, is avoided that safety accident occurs, is improved safety.
It optionally, further include pillar fixed frame 25 for being fixed on hydraulic prop 20 on conveyer ontology 10, locking
Mechanism 24 includes lantern ring and gasket, and lantern ring is socketed in the junction of oil cylinder 21 and telescopic rod 22, and gasket is fixed on pillar fixed frame
On 25, and it is connect with the bottom of lantern ring.When mine roof sinks, and telescopic rod 22 is driven to shrink, gasket can be clamped telescopic rod
22, prevent telescopic rod 22 from shrinking towards 21 direction of oil cylinder.
The shape of gasket can be set according to the shape of pillar fixed frame 25 and lantern ring.Preferably, it in order to improve rigidity, covers
The material of ring is metal, and gasket is half-round metal piece.When mine roof sinks, by the bottom of pad support lantern ring, prevent
Only lantern ring glides towards 21 direction of oil cylinder, to realize support telescopic bar 22, further increases safety.
Embodiment two
As shown in figure 3, Fig. 3 is a kind of control method for Control System of Belt Conveyer that one embodiment of the invention provides
Work flow diagram, comprising:
Step S11: the first support pressure between detection telescopic rod and mine roof；
Step S12: when the first support pressure is more than pre-set support pressure threshold, the hydraulic pressure of oil cylinder is controlled
Power.
Specifically, hydraulic prop is arranged on conveyer ontology, hydraulic prop includes oil cylinder and telescopic rod, the one of telescopic rod
End is flexibly connected with oil cylinder, and the other end of telescopic rod is connect by pressure sensor with mine roof.Pressure sensor is examined in real time
The first support pressure between telescopic rod and mine roof is surveyed, and the first support pressure that will test is sent to controller, controls
Device processed is compared when receiving the first support pressure of pressure sensor transmission with pre-set support pressure threshold, when the
When one support pressure is more than pre-set support pressure threshold, the hydraulic pressure of oil cylinder is controlled, oil cylinder ftercompction, pressure release are such as controlled
Deng.Preferably, pre-set support pressure threshold can be 300,000 N -500 thousand Ns.
Controller can choose the computer with processor chips realization, also can be set in belt conveyor can
Programmed logic controller (Programmable Logic Controller, PLC).
Preferably, pressure sensor is pin type pressure sensor, and the other end of telescopic rod passes through pressure sensor and mine
The connection of well top plate pin shaft.
Preferably, in order to enhance the support force of hydraulic prop, stability is improved, hydraulic prop includes being arranged in conveyer sheet
Unloading hydraulic prop in the uninstalling portion of body, is arranged defeated the main drive hydraulic prop being arranged in the main drive portion of conveyer ontology
Send in the secondary drive portion of machine ontology it is secondary drive hydraulic prop, the tensioning hydraulic prop being arranged on the tensioning device of conveyer ontology, with
And one of the winding hydraulic prop on the tape handler of conveyer ontology is set or a variety of.
The control method of Control System of Belt Conveyer provided by the invention, by being arranged on conveyer ontology for branch
Support the hydraulic prop of conveyer ontology, can the dismounting of easy disassembly belt conveyor, improve working efficiency, and hydraulic prop can be with
Recycling, reduces cost.And by the first support pressure between real-time detection telescopic rod and mine roof, according to first
Bulging power controls the hydraulic pressure of oil cylinder, realizes and automatically controls hydraulic prop.
Optionally, in order to improve accuracy, support pressure threshold includes that the first son supports pressure threshold, the second sub- branch bulging
Force threshold and third support pressure threshold, and the first son support pressure threshold is greater than third and supports pressure threshold, the first son branch
Bulging force threshold is less than the second son support pressure threshold, when the first support pressure is more than pre-set support pressure threshold,
The hydraulic pressure for controlling oil cylinder, specifically includes:
When the first support pressure is less than or equal to the first son support pressure threshold, oil cylinder ftercompction is controlled；
When the first support pressure is more than or equal to the second son support pressure threshold, alarm for high voltage is carried out；
When the first support pressure is less than or equal to third support pressure threshold, control belt conveyor is shut down.
Specifically, the first son support pressure threshold and the second son support pressure threshold can be set to the normal of pressure sensor
Pressure control interval threshold value, when the first support pressure of pressure sensor detection is in the first son support pressure threshold and the second son branch
Be when bulging force threshold it is normal, avoid oil cylinder from being in higher load condition.
Embodiment three
As shown in figure 4, Fig. 4 is a kind of control method for Control System of Belt Conveyer that alternative embodiment of the present invention provides
Work flow diagram, comprising:
Step S21: the first support pressure between detection telescopic rod and mine roof；
Step S22: in-oil cylinder hydraulic pressure is detected；
Step S23: calculating oil cylinder according to hydraulic pressure and support pressure to the second of mine roof, when the first support pressure
When being more than pre-set first threshold pressure differential with the pressure difference of the second support pressure, judge that mine roof sinks；
Step S24: when the pressure difference of the first support pressure and the second support pressure is more than pre-set second threshold pressure differential
And/or the number of oil cylinder ftercompction is more than when presetting the ftercompction frequency threshold value of setting, to judge hydraulic prop leakage.
Specifically, being provided with hydrostatic sensor in oil cylinder, hydrostatic sensor and controller pass through wired or are wirelessly connected,
The in-oil cylinder hydraulic pressure that hydrostatic sensor will test is sent to controller, and controller calculates the second support using following formula
Pressure:
F '=P*S
Wherein, F ' is the second support pressure, and P is hydraulic pressure, and S is the cross-sectional area of the stress of oil cylinder.
Meanwhile the first support pressure is compared by controller with the second support pressure, when the first support pressure and second
When the pressure difference of pressure being supported to be more than pre-set first threshold pressure differential, judge that mine roof sinks.When first support pressure with
The pressure difference of second support pressure is more than default setting more than pre-set second threshold pressure differential and/or the number of oil cylinder ftercompction
When ftercompction frequency threshold value, hydraulic prop leakage is judged, the second threshold pressure differential realizes belt conveyor event less than the first threshold pressure differential
Barrier judgement, improves safety.
The control method of Control System of Belt Conveyer provided by the invention passes through real-time detection telescopic rod and mine roof
Between the first support pressure and in-oil cylinder hydraulic pressure, oil cylinder is calculated to the of mine roof according to hydraulic pressure
Then two support pressure realize the breakdown judge of belt conveyor according to the pressure difference of the first support pressure and the second support pressure,
Improve safety.
In conclusion Control System of Belt Conveyer provided by the invention and control method, by conveyer ontology
The hydraulic prop for being used to support conveyer ontology is set.When installation, the other end of telescopic rod is passed through into pressure sensor and mine
Top plate connection, can be completed the installation of belt conveyor.Disassembly process on the contrary, realization is convenient for disassembly and assembly, improves work with installation process
Make efficiency, and hydraulic prop can reuse, and reduce cost.And pass through pressure sensor real-time detection telescopic rod and mine top
The first support pressure between plate is realized according to the hydraulic pressure of the first support pressure control oil cylinder and automatically controls hydraulic prop.
Meanwhile the breakdown judge of belt conveyor is realized according to the pressure difference of the first support pressure and the second support pressure, improve safety.
Above-described is only the principle of the present invention and preferred embodiment.It should be pointed out that for the common skill of this field
For art personnel, on the basis of the principle of the invention, several other modifications can also be made, also should be regarded as protection model of the invention
It encloses.
Claims (10)
1. a kind of Control System of Belt Conveyer, which is characterized in that including conveyer ontology and controller, the conveyer ontology
On be provided at least one hydraulic prop for being used to support the conveyer ontology, the hydraulic prop includes oil cylinder and flexible
Bar, one end of the telescopic rod are flexibly connected with the oil cylinder, and the other end of the telescopic rod is connect with mine roof, in which:
The controller, for being more than pre-set when the first support pressure between the telescopic rod and the mine roof
When supporting pressure threshold, the hydraulic pressure of the oil cylinder is controlled.
2. Control System of Belt Conveyer as described in claim 1, which is characterized in that the support pressure threshold includes first
Son support pressure threshold, the second son support pressure threshold and third support pressure threshold, the first son support pressure threshold
Pressure threshold is supported greater than third, the first son support pressure threshold is less than the second son support pressure threshold,
The controller is specifically used for:
When the first support pressure is less than or equal to the first son support pressure threshold, the oil cylinder ftercompction is controlled；
When the first support pressure is more than or equal to the second son support pressure threshold, alarm for high voltage is carried out；
When the first support pressure is less than or equal to third support pressure threshold, controls the belt conveyor and stop
Machine.
3. Control System of Belt Conveyer as claimed in claim 2, which is characterized in that the controller includes:
Breakdown judge unit, for calculating the oil cylinder to the of the mine roof according to the in-oil cylinder hydraulic pressure
Two support pressure, when the pressure difference of the first support pressure and the second support pressure is more than pre-set first pressure difference threshold
When value, judge that the mine roof sinks.
4. Control System of Belt Conveyer as claimed in claim 3, which is characterized in that the breakdown judge unit is also used to:
When it is described first support pressure and it is described second support pressure pressure difference be more than pre-set second threshold pressure differential and/or
When the number of the oil cylinder ftercompction is more than the ftercompction frequency threshold value of default setting, the hydraulic prop leakage is judged, described second
Threshold pressure differential is less than first threshold pressure differential.
5. Control System of Belt Conveyer as claimed in claim 3, which is characterized in that the company of the oil cylinder and the telescopic rod
The place of connecing is provided with the lockable mechanism for preventing the telescopic rod from shrinking towards the oil cylinder direction.
6. Control System of Belt Conveyer as claimed in claim 5, which is characterized in that further include for by the hydraulic prop
The pillar fixed frame being fixed on the conveyer ontology, the lockable mechanism include lantern ring and gasket, and the lantern ring is socketed in
The junction of the oil cylinder and the telescopic rod, the gasket is fixed on the pillar fixed frame, and the bottom with the lantern ring
Portion's connection.
7. a kind of control method of Control System of Belt Conveyer as claimed in any one of claims 1 to 6, which is characterized in that packet
It includes:
Detect the first support pressure between the telescopic rod and the mine roof；
When the first support pressure is more than pre-set support pressure threshold, the hydraulic pressure of the oil cylinder is controlled.
8. control method as claimed in claim 7, which is characterized in that the support pressure threshold includes that the first son supports pressure
Threshold value, the second son support pressure threshold and third support pressure threshold, and the first son support pressure threshold is greater than described the
Three son support pressure thresholds, the first son support pressure threshold is less than the second son support pressure threshold, described when described
When first support pressure is more than pre-set support pressure threshold, the hydraulic pressure of the oil cylinder is controlled, is specifically included:
When the first support pressure is less than or equal to the first son support pressure threshold, the oil cylinder ftercompction is controlled；
When the first support pressure is more than or equal to the second son support pressure threshold, alarm for high voltage is carried out；
When the first support pressure is less than or equal to third support pressure threshold, controls the belt conveyor and stop
Machine.
9. control method as claimed in claim 8, which is characterized in that further include:
Detect the in-oil cylinder hydraulic pressure；
The oil cylinder is calculated according to the hydraulic pressure and supports pressure to the second of the mine roof, when first support
When the pressure difference of pressure and the second support pressure is more than pre-set first threshold pressure differential, judge under the mine roof
It is heavy.
10. control method as claimed in claim 9, which is characterized in that further include:
When it is described first support pressure and it is described second support pressure pressure difference be more than pre-set second threshold pressure differential and/or
When the number of the oil cylinder ftercompction is more than the ftercompction frequency threshold value of default setting, the hydraulic prop leakage is judged, described second
Threshold pressure differential is less than first threshold pressure differential.
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811429901.7A CN109625844A (en) | 2018-11-28 | 2018-11-28 | Control System of Belt Conveyer and control method |
| CN201920895120.0U CN210260072U (en) | 2018-11-28 | 2019-06-13 | Conveyor drive |
| CN201910512290.0A CN110077806A (en) | 2018-11-28 | 2019-06-13 | Belt conveyor pillar |
| CN201920895147.XU CN210140232U (en) | 2018-11-28 | 2019-06-13 | Conveyer winding device |
| CN201910512321.2A CN110077807B (en) | 2018-11-28 | 2019-06-13 | Belt conveyor control system and control method |
| CN201920895146.5U CN210437978U (en) | 2018-11-28 | 2019-06-13 | Tensioning device of conveyor |
| CN201910512760.3A CN110077808A (en) | 2018-11-28 | 2019-06-13 | Belt conveyor assembly |
| CN201910512307.2A CN110065789B (en) | 2018-11-28 | 2019-06-13 | Unloading part of conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811429901.7A CN109625844A (en) | 2018-11-28 | 2018-11-28 | Control System of Belt Conveyer and control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109625844A true CN109625844A (en) | 2019-04-16 |
Family
ID=66069666
Family Applications (8)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811429901.7A Pending CN109625844A (en) | 2018-11-28 | 2018-11-28 | Control System of Belt Conveyer and control method |
| CN201910512321.2A Active CN110077807B (en) | 2018-11-28 | 2019-06-13 | Belt conveyor control system and control method |
| CN201920895146.5U Active CN210437978U (en) | 2018-11-28 | 2019-06-13 | Tensioning device of conveyor |
| CN201920895120.0U Active CN210260072U (en) | 2018-11-28 | 2019-06-13 | Conveyor drive |
| CN201910512760.3A Pending CN110077808A (en) | 2018-11-28 | 2019-06-13 | Belt conveyor assembly |
| CN201910512307.2A Active CN110065789B (en) | 2018-11-28 | 2019-06-13 | Unloading part of conveyor |
| CN201910512290.0A Pending CN110077806A (en) | 2018-11-28 | 2019-06-13 | Belt conveyor pillar |
| CN201920895147.XU Active CN210140232U (en) | 2018-11-28 | 2019-06-13 | Conveyer winding device |
Family Applications After (7)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910512321.2A Active CN110077807B (en) | 2018-11-28 | 2019-06-13 | Belt conveyor control system and control method |
| CN201920895146.5U Active CN210437978U (en) | 2018-11-28 | 2019-06-13 | Tensioning device of conveyor |
| CN201920895120.0U Active CN210260072U (en) | 2018-11-28 | 2019-06-13 | Conveyor drive |
| CN201910512760.3A Pending CN110077808A (en) | 2018-11-28 | 2019-06-13 | Belt conveyor assembly |
| CN201910512307.2A Active CN110065789B (en) | 2018-11-28 | 2019-06-13 | Unloading part of conveyor |
| CN201910512290.0A Pending CN110077806A (en) | 2018-11-28 | 2019-06-13 | Belt conveyor pillar |
| CN201920895147.XU Active CN210140232U (en) | 2018-11-28 | 2019-06-13 | Conveyer winding device |
Country Status (1)
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| CN (8) | CN109625844A (en) |
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| DE1206383B (en) * | 1962-04-13 | 1965-12-09 | Glueckauf Guenther Klerner Mas | Stepping suspension or fixing device (bracing) for the end station of a conveyor, especially in planing struts |
| DE1244092B (en) * | 1963-08-17 | 1967-07-13 | Glueckauf Guenther Klerner Mas | Safety device for the tensioning device of a face conveyor |
| DE2424359A1 (en) * | 1974-05-20 | 1975-12-04 | Gewerk Eisenhuette Westfalia | Mine roof support tilting mechanism - jacks allow a prop to swing both sideways and forward |
| DE2832070C2 (en) * | 1978-07-21 | 1985-08-08 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Bracing device for a face conveyor |
| DE2832080B2 (en) * | 1978-07-21 | 1980-07-31 | Karrena Gmbh, 4000 Duesseldorf | Lining for combustion chambers |
| CN200946744Y (en) * | 2006-08-16 | 2007-09-12 | 王连军 | Scraper bucket rock-loading machine support leg |
| CN201027540Y (en) * | 2007-03-28 | 2008-02-27 | 闫振东 | Coal-charging, coal-carrying and anchor stock supporting mechanically integrated device |
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| CN101943024B (en) * | 2010-09-25 | 2012-09-05 | 霍州煤电集团有限责任公司 | Whole pulling and moving type whole-process unloading belt conveyor for coal mine underground filling |
| CN202063500U (en) * | 2011-04-30 | 2011-12-07 | 山西晋城无烟煤矿业集团有限责任公司 | Crossed unloading stabilizing device for belt conveyer |
| CN202611757U (en) * | 2012-06-09 | 2012-12-19 | 山东矿机集团股份有限公司 | Nose support of scraper conveyor |
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| RU2691793C2 (en) * | 2014-08-28 | 2019-06-18 | ДЖОЙ ГЛОБАЛ АНДЕРГРАУНД МАЙНИНГ ЭлЭлСи | Monitoring of roof fastening in solid development system |
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-
2018
- 2018-11-28 CN CN201811429901.7A patent/CN109625844A/en active Pending
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2019
- 2019-06-13 CN CN201910512321.2A patent/CN110077807B/en active Active
- 2019-06-13 CN CN201920895146.5U patent/CN210437978U/en active Active
- 2019-06-13 CN CN201920895120.0U patent/CN210260072U/en active Active
- 2019-06-13 CN CN201910512760.3A patent/CN110077808A/en active Pending
- 2019-06-13 CN CN201910512307.2A patent/CN110065789B/en active Active
- 2019-06-13 CN CN201910512290.0A patent/CN110077806A/en active Pending
- 2019-06-13 CN CN201920895147.XU patent/CN210140232U/en active Active
Also Published As
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| CN110065789A (en) | 2019-07-30 |
| CN110077807B (en) | 2021-06-29 |
| CN110065789B (en) | 2021-03-30 |
| CN110077808A (en) | 2019-08-02 |
| CN110077806A (en) | 2019-08-02 |
| CN210140232U (en) | 2020-03-13 |
| CN110077807A (en) | 2019-08-02 |
| CN210260072U (en) | 2020-04-07 |
| CN210437978U (en) | 2020-05-01 |
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Application publication date: 20190416 |