CN205441742U - Tail tension system of double -stranded scratch board conveyor - Google Patents
Tail tension system of double -stranded scratch board conveyor Download PDFInfo
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- CN205441742U CN205441742U CN201521069423.5U CN201521069423U CN205441742U CN 205441742 U CN205441742 U CN 205441742U CN 201521069423 U CN201521069423 U CN 201521069423U CN 205441742 U CN205441742 U CN 205441742U
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- board conveyor
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- controller
- electromagnetic valve
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- 238000006073 displacement reaction Methods 0.000 claims abstract description 19
- 238000012544 monitoring process Methods 0.000 claims abstract description 15
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 abstract 2
- 239000003245 coal Substances 0.000 description 6
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a tail tension system of double -stranded scratch board conveyor, including the controller and with the power that the controller is connected, be connected with the displacement sensor who is used for monitoring the pressure sensor of the chain pressure of double -stranded scratch board conveyor and is used for monitoring the flexible volume of tensioning hydro -cylinder on the controller, still be provided with the electromagnetic valve drive ware on the controller, be connected with on the electromagnetic valve drive ware and be used for control the flexible solenoid valve of tensioning hydro -cylinder. The utility model provides a tail tension system of double -stranded scratch board conveyor simple structure, convenient operation to can go on monitoring reliably in real time and adjusting to the tensile size of the chain of double -stranded scratch board conveyor, thereby reduce the colliery occurring frequency of electromechanical device accident in the pit effectively, help reducing loss of property.
Description
Technical field
This utility model relates to a kind of tail tensioning system, particularly relates to the tail tensioning system of a kind of double-strand scratch board conveyor.
Background technology
In prior art, the fully-mechanized mining working of Part Coal Mine have employed double-strand scratch board conveyor and transports the coal of exploitation.Problem and the environment of underground coal mine humidity due to design assembly technology, the tail auto-tensioning system of described double-strand scratch board conveyor is vulnerable to into water, the impact of the factor such as make moist, sensor fault is made to take place frequently, it cannot be guaranteed that tail auto-tensioning system works steadily in the long term, bring the biggest impact to production.In addition, the tail auto-tensioning system design complexity of double-strand scratch board conveyor, which employs multiple detector unit and link, these detector units and link are vulnerable to working environment impact, such as, for detecting the sensor that chain floats or sinks, usually cause normally working due to on-the-spot complicated and unstable working condition, and then cause the tail auto-tensioning system job insecurity of double-strand scratch board conveyor.Visible; the tail auto-tensioning system of double-strand scratch board conveyor of the prior art also exists the problems such as sensor is not durable, system is unstable; it is during the use of double-strand scratch board conveyor; the chain tension being easily caused double-strand scratch board conveyor checks not in place; and then cause the feedback accident such as chain, chain rupture; ultimately result in equipment fault outage rate constantly to raise, cause bigger property loss.
Utility model content
The problem existed for prior art, the purpose of this utility model is to provide the tail tensioning system of a kind of double-strand scratch board conveyor, and the size of chain tension can be carried out reliably monitoring and regulating in real time by it, reduces the occurrence frequency of underground coal mine electromechanical equipment accident.
The purpose of this utility model is achieved through the following technical solutions:
A kind of tail tensioning system of double-strand scratch board conveyor, including controller and the power supply that is connected with described controller, connect on described controller and have the pressure transducer of the chain pressure for monitoring double-strand scratch board conveyor and for monitoring the displacement transducer of tensioning hydro-cylinder stroke, it is additionally provided with electromagnetic valve driver on described controller, described electromagnetic valve driver connects and has for controlling the electromagnetic valve that described tensioning hydro-cylinder is flexible.
Further, described pressure transducer and institute's displacement sensors are connected on described controller by cable respectively.
Further, the range of described pressure transducer is 0-600bar.
Further, the range of institute's displacement sensors is 0-1200mm.
Further, described electromagnetic valve is two-bit triplet electromagnetic valve.
Further, described pressure transducer is also associated with Pressure gauge.
The tail tensioning system structure of the double-strand scratch board conveyor that this utility model provides is simple, easy to operate, and can carry out the size of the chain tension of double-strand scratch board conveyor reliably monitoring and regulating in real time, thus significantly reduce the occurrence frequency of underground coal mine electromechanical equipment accident, decrease property loss.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the tail tensioning system of a kind of preferred double-strand scratch board conveyor of this utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawings, a preferred embodiment of the present utility model is described in detail.The most identical parts are presented with like reference characters.It should be noted that the word "front", "rear" used in describing below, "left", "right", "up" and "down" refer to the direction in accompanying drawing, word " interior " and " outward " refer respectively to the direction towards or away from particular elements geometric center.
As it is shown in figure 1, the tail tensioning system of the double-strand scratch board conveyor of this utility model offer includes controller 1 and the power supply 2 being connected with described controller 1.The controller 1 that this utility model is used is preferably the controller in hydraulic support electrohydraulic control system, it is the controller of a kind of mainframe type each other, is generally made up of the various control circuit plates etc. of aluminum alloy casing, operation keyboard, lyo-luminescence display and inside.Power supply 2 of the present utility model is preferably by 12V DC power supplier.Those skilled in the art should understand that is, controller noted above 1 and power supply 2 are only a kind of preferred versions of the present utility model, this utility model can also use other controllers and the power supply of the tail tensioning system being suitable for scratch board conveyor known in those skilled in the art, and here is omitted.
As shown in Figure 1, this utility model connects on described controller 1 has the pressure transducer 3 of the chain pressure for monitoring double-strand scratch board conveyor and for monitoring the displacement transducer 4 of tensioning hydro-cylinder stroke, specifically, pressure transducer 3 of the present utility model is preferably provided in the inlet of tensioning hydro-cylinder, for monitoring the pressure of the admission chamber of described tensioning hydro-cylinder, thus realize the monitoring of the chain pressure to double-strand scratch board conveyor.Displacement transducer 4 of the present utility model is preferably fixed on tensioning hydro-cylinder, for measuring the stroke of the piston rod of tensioning hydro-cylinder.Certainly, the position that arranges of pressure transducer 3 of the present utility model and displacement transducer 4 is only a kind of preferred version of the present utility model, those skilled in the art can also use installment state according to the tail tensioning system of actual double-strand scratch board conveyor, regulate described pressure transducer 3 and the installation site of institute's displacement sensors 4, as long as can the chain pressure of monitor double-strand scratch board conveyor and the stroke of tensioning hydro-cylinder.
Preferably, described pressure transducer 3 and institute's displacement sensors 4 are connected on described controller 1 by cable respectively, and the range of described pressure transducer 3 is preferably 0-600bar, and the range of institute's displacement sensors 4 is preferably 0-1200mm.Those skilled in the art should understand that is, the pressure transducer 3 of above-mentioned form and displacement transducer 4 are only a kind of preferred versions of the present utility model, this utility model can also use pressure transducer and the displacement transducer of applicable monitoring oil cylinder known in those skilled in the art, and here is omitted.
As it is shown in figure 1, this utility model is additionally provided with electromagnetic valve driver 5 on described controller 1, described electromagnetic valve driver 5 connecting and has for controlling the electromagnetic valve 6 that described tensioning hydro-cylinder is flexible, described electromagnetic valve 6 is preferably two-bit triplet electromagnetic valve.Electromagnetic valve driver 5 of the present utility model is for receiving signal and the instruction of described controller 1, signal and the instruction of described controller are passed to described electromagnetic valve 6 simultaneously, and drive described electromagnetic valve 6, thus the piston rod of described tensioning hydro-cylinder is driven to carry out corresponding stretching motion.
During use, described pressure transducer 3 detects the pressure of the admission chamber of tensioning hydro-cylinder, thus judge the chain pressure of described double-strand scratch board conveyor, pressure signal is converted to current signal and passes in described controller by described pressure transducer, the current value of this current signal is compared by described controller 1 with the minimum current value preset and peak, if described current value is between current maxima and current minimum, described controller will not send command signal.Current maxima of the present utility model is preferably 20mA, and described current minimum is preferably 5mA.Certainly, current maxima and current minimum can be done accommodation according to actual working state of system by those skilled in the art.
If described current value is more than the current maxima arranged, described controller 1 shrinks the signal of tensioning hydro-cylinder to described electromagnetic valve driver 5 by sending, described electromagnetic valve 6 controls described tensioning hydro-cylinder and shrinks, until the admission chamber pressure of described tensioning hydro-cylinder is replaced between described current maxima and described current minimum.Now, institute's displacement sensors 4 judges the stroke of described tensioning hydro-cylinder, if tensioning hydro-cylinder is retracted to the displacement minimum point of piston rod, it is the shortest that described controller 1 will send alarm chain, now can adjunction chain length.
If described current value is less than the current minimum arranged, described controller 1 will send to described electromagnetic valve driver 5 and stretch out tensioning hydro-cylinder piston rod signal, described electromagnetic valve 6 controls described tensioning hydro-cylinder and upholds, until the admission chamber pressure of described tensioning hydro-cylinder is replaced between described current maxima and described current minimum.Now, institute's displacement sensors 4 judges the stroke of described tensioning hydro-cylinder, if the piston rod of described tensioning hydro-cylinder is elongated to displacement peak, it is oversize that described controller 1 will send alarm chain, now can pinch chain, reduces chain length.So, circulate the most again and again, the chain tension of double-strand scratch board conveyor can be controlled and be constantly in the range of setting and work.
As a kind of preferred version of the present utility model, as it is shown in figure 1, be also associated with Pressure gauge 7 on described pressure transducer 3.This utility model arranges Pressure gauge 7 on described pressure transducer 3, admission chamber pressure and the chain pressure of tensioning hydro-cylinder are observed by personnel convenient to operate more intuitively, consequently facilitating the feedback accident such as chain, chain rupture is judged and predicts by operator, enough response time and operating time is provided for operator, thus contribute to reducing the probability of happening of Electromechanical Accidents, reduce property loss.
In sum, the tail tensioning system structure of the double-strand scratch board conveyor that this utility model provides is simple, easy to operate, and can carry out the size of chain tension reliably monitoring and regulating in real time, thus significantly reduce the occurrence frequency of underground coal mine electromechanical equipment accident, decrease property loss.
Last it is noted that above example is only in order to illustrate the technical solution of the utility model, it is not intended to limit；Although this utility model being described in detail with reference to previous embodiment, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or wherein portion of techniques feature is carried out equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of this utility model each embodiment technical scheme.
Claims (6)
1. the tail tensioning system of a double-strand scratch board conveyor, it is characterized in that, including controller and the power supply that is connected with described controller, connect on described controller and have the pressure transducer of the chain pressure for monitoring double-strand scratch board conveyor and for monitoring the displacement transducer of tensioning hydro-cylinder stroke, it is additionally provided with electromagnetic valve driver on described controller, described electromagnetic valve driver connects and has for controlling the electromagnetic valve that described tensioning hydro-cylinder is flexible.
The tail tensioning system of double-strand scratch board conveyor the most according to claim 1, it is characterised in that described pressure transducer and institute's displacement sensors are connected on described controller by cable respectively.
The tail tensioning system of double-strand scratch board conveyor the most according to claim 2, it is characterised in that the range of described pressure transducer is 0-600bar.
The tail tensioning system of double-strand scratch board conveyor the most according to claim 2, it is characterised in that the range of institute's displacement sensors is 0-1200mm.
The tail tensioning system of double-strand scratch board conveyor the most according to claim 1, it is characterised in that described electromagnetic valve is two-bit triplet electromagnetic valve.
6. according to the tail tensioning system of the double-strand scratch board conveyor described in any one of claim 1-5, it is characterised in that be also associated with Pressure gauge on described pressure transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521069423.5U CN205441742U (en) | 2015-12-21 | 2015-12-21 | Tail tension system of double -stranded scratch board conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521069423.5U CN205441742U (en) | 2015-12-21 | 2015-12-21 | Tail tension system of double -stranded scratch board conveyor |
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| Publication Number | Publication Date |
|---|---|
| CN205441742U true CN205441742U (en) | 2016-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521069423.5U Active CN205441742U (en) | 2015-12-21 | 2015-12-21 | Tail tension system of double -stranded scratch board conveyor |
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| CN (1) | CN205441742U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107854870A (en) * | 2017-12-11 | 2018-03-30 | 北京北排装备产业有限公司 | A kind of nonmetallic chain-type mud scraper chain tensioning device and its application method |
| CN113086525A (en) * | 2021-04-30 | 2021-07-09 | 郑州煤矿机械集团股份有限公司 | Automatic tensioning system for scraper chain and control method thereof |
| CN113148559A (en) * | 2021-03-30 | 2021-07-23 | 郑州煤矿机械集团股份有限公司 | Method for calculating holding pressure of telescopic oil cylinder of automatic conveyor chain tensioning system |
-
2015
- 2015-12-21 CN CN201521069423.5U patent/CN205441742U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107854870A (en) * | 2017-12-11 | 2018-03-30 | 北京北排装备产业有限公司 | A kind of nonmetallic chain-type mud scraper chain tensioning device and its application method |
| CN113148559A (en) * | 2021-03-30 | 2021-07-23 | 郑州煤矿机械集团股份有限公司 | Method for calculating holding pressure of telescopic oil cylinder of automatic conveyor chain tensioning system |
| CN113086525A (en) * | 2021-04-30 | 2021-07-09 | 郑州煤矿机械集团股份有限公司 | Automatic tensioning system for scraper chain and control method thereof |
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