CN201071219Y - Belt break protection device and intelligent large inclination angle belt break protection system - Google Patents
Belt break protection device and intelligent large inclination angle belt break protection system Download PDFInfo
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- CN201071219Y CN201071219Y CNU2007200894739U CN200720089473U CN201071219Y CN 201071219 Y CN201071219 Y CN 201071219Y CN U2007200894739 U CNU2007200894739 U CN U2007200894739U CN 200720089473 U CN200720089473 U CN 200720089473U CN 201071219 Y CN201071219 Y CN 201071219Y
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- protection device
- break protection
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Abstract
The utility model relates to a belt breakage protection device of belt conveyor: a belt breakage protection device and an intelligent large-tilt-angle belt breakage protection system. The belt breakage protection device comprises a fixed friction plate arranged on the lower side of an upper belt on a pillar on the rear end of a support, a movable friction plate matched with the fixed friction plate, arranged on the upper belt and movably arranged on a movable friction plate guide rail on a support on the same side of the belt, and a movable friction plate drive mechanism fixedly arranged on the upper belt on a pillar on the front end of the support. The utility model adopts a novel intelligent large-tilt-angle belt breakage protection and a PLC program control, and is provided with belt breakage detection, drive motor current detection and belt breakage protection device state monitor, and the movable friction plate and the fixed friction plate can generate firm clamping force once belt breakage occurs to forcefully prevent the slippage of the belt, thus obviating the occurrence of safety accident caused by jamming of roadway, achieving automatic belt breakage protection, and minimizing the loss caused by belt breakage.
Description
One, technical field:
The utility model relates to a kind of skin (glue) band transport plane interlock protection control setup, particularly relates to a kind of belt belt break protection device and intelligent high angle belt conveyer broken belt protector system.
Two, background technology:
In present mining, coal production operation, belt conveyer is important transportation device.For satisfying the needs of highly efficient and productive Coal Production, belt conveyer just develops towards long distance, high-power, large conveying quantity, high belt speed direction.Adopt the belt feeder transported material, incidental problem is in the production, because long-term, the high loaded process of belt and some unexpected factors are directly pounded belt or metal object jam belt as spoil, belt connector fatigue all can cause the unexpected fracture of belt; Especially the upper conveying belt type conveyer big for the inclination angle, that adhesive tape long, load is big, in case the reverse accident that takes place that broken belt glides and lost efficacy and cause because of holdback, will destroy belt feeder frame, damage equipment, obstruction belt heading, cause long stopping production and heavy economic losses, even personal casualty, consequence is extremely serious.At present, the technical scheme of broken belt protector aspect is a lot, but the conveyer broken-belt resist technology is still immature.
That China utility model patent ZL 200520070689.1 (Granted publication CN 2832748Y) have proposed is a kind of " on transport the band conveyor belt breakage protector ": mainly contain support, trigger roller apparatus, scotch-tape device, pull pin rope and movable friction plate form.Used a kind of triggering running roller that adopts the structure of roller-type overrunning clutch, when the generation broken belt glided, running roller reversed the drive driving lever and twitches the rope of pulling pin, and the wedge shape braking brake shoe of triggering scotch-tape device moves down, belt clamp is held between brake shoe and the movable friction plate, makes the belt braking.The utility model can be widely used in going up on the fortune band conveyor of each industrial circle, glides behind the belt broken belt or when reversing, can quickly and reliably arrest the brake slide belt.Its weak point is that structure is not compact, adopts the rope of pulling pin, and reliable in action can not get ensureing under harsh environment.
Three, utility model content:
The utility model is at the prior art deficiency, propose a kind of simple in structure, reliable in action, belt belt break protection device that braking potential is strong and intelligent high angle belt conveyer broken belt protector system.
The technical scheme that the utility model adopted:
A kind of belt belt break protection device; contain longitudinal crossing belt both sides and be fixedly installed in the ground-surface support in tunnel; the downside of belt is provided with the fixed friction plate on the back-end support column; be complementary at the upside of last belt and fixed friction plate and be provided with movable friction plate; described movable friction plate is movably installed in by two side-prominent tenons and is fixed on belt with in the movable friction plate guide rail on the side stand; the upside of belt is installed with movable friction plate driver train on the support front end column, the movable friction plate driver train activity friction plate that is in transmission connection.
Described movable friction plate driver train is the piston actuated formula, can be the air pressure driving or be hydraulic-driven, the piston/cylinder of piston type driver train is fixedly mounted on the support front end column, the piston rod of piston/cylinder and the parallel track of movable friction plate and be the acute angle angle, the front end connection activity friction plate of described piston rod with the belt up direction.
Described belt belt break protection device, fixed friction plate are fixed on the downside of going up belt on two columns in back-end support belt both sides, perhaps are fixed in the reinforcement stull between support front end column and the rear end column; Perhaps establish the support push rod in the reverse side of back-end support column belt up direction.
Described belt belt break protection device, perhaps fixed friction plate two ends are separately fixed at movable friction plate and are connected on the movable friction plate adapter plate that extends downwards with siding track, are provided with the reinforcement stull between each column of support; Reverse side at back-end support column belt up direction can be provided with the support push rod.
A kind of intelligent high angle belt conveyer broken belt protector system that contains described belt belt break protection device; keep at a certain distance away to tail at the head of adhesive tape conveyor the belt break protection device of some is set; the movable friction plate driver train of belt break protection device adopts Pneumatic piston; each piston/cylinder is communicated with power gas source by pipeline and electromagnetic valve; the described belt broken belt protector employing PLC of system is as master element; the broken belt detector switch is installed at tail tightening device place at adhesive tape conveyor; the broken belt detector switch is electrically connected the switching value input end of master controller PLC; the electromagnetic valve of every group of belt break protection device is electrically connected the switching value mouth of master controller PLC; the broken belt protector system is provided with the interface that connects the belt monitored control system; master controller PLC is when receiving the broken belt signal that the broken belt detector switch is sent; promptly export control signal and start the electromagnetic valve action; make belt break protection device locking belt; send an electric signal to the belt monitored control system by the interface that connects the belt monitored control system simultaneously; cut off the adhesive tape conveyor power supply; when the broken belt protector system does not reset, the cycling start of locking belt monitored control system.
Described intelligent high angle belt conveyer broken belt protector system; being provided with the signal transmitting device detects in real time to adhesive tape conveyor drive motor electric current; the signal transmitting device is electrically connected the analog quantity input end of master controller PLC; when the drive motor electric current is undergone mutation; the outage of driving electromagnetic valve; send an electric signal to the belt monitored control system by the interface that connects the belt monitored control system simultaneously, cut off the adhesive tape conveyor power supply.
Described intelligent high angle belt conveyer broken belt protector system; be complementary with each belt break protection device and be provided with belt break protection device condition monitoring switch; each belt break protection device condition monitoring switch is electrically connected a switching value input end of master controller; master controller PLC is arranged in the PLC control box; master controller PLC is electrically connected the control display station; the control display station is made up of indicator lamp, button, read-out, finishes the control and the supervision of whole system.
Belt break protection device condition monitoring switch and broken belt detector switch adopt magnetic approach switch.
Useful good effect of the present utility model:
1, the utility model belt belt break protection device on the support adhesive tape below be provided with the fixed friction plate; on on the support adhesive tape above be provided with and movable friction plate that the fixed friction plate is complementary; in a single day movable friction plate is triggered with belt and contacts and will produce gripping power more and more closely with the fixed friction plate under the effect of belt friction force; powerful prevention belt backward glides, and avoids material to stop up tunnel and generation safety misadventure.
2, the utility model belt belt break protection device is provided with fixed friction plate and movable friction plate and movable friction plate guide rail, movable friction plate driver train on support; compact conformation, capable and experienced; can produce enough gripping powers; really play the broken belt protector effect, reach the purpose of minimization of loss behind the belt broken belt.Has application value preferably.
3, the intelligent high angle belt conveyer broken belt protector of the utility model system adopts the PLC programming controller, is provided with broken belt and detects; drive motor current detecting and belt break protection device condition monitoring have been realized the automation of broken belt protector, complete function; intuitive display, action are in time, reliably.
Four, description of drawings:
Fig. 1: the utility model belt belt break protection device side-looking (support part) structural representation
Fig. 2: the utility model belt belt break protection device is faced structural representation
Fig. 3: the intelligent high angle belt conveyer broken belt protector of the utility model system architecture configuration schematic diagram
Fig. 4: the intelligent high angle belt conveyer broken belt protector of the utility model circuit system schematic diagram
Five, the specific embodiment:
Embodiment one: referring to Fig. 1; Fig. 2; the utility model belt belt break protection device; contain longitudinal crossing belt both sides and be fixedly installed in ground, tunnel; the support that symmetrical front end column 1-1 and rear end column 1-2 form; the lower position of belt 3 is provided with fixed friction plate 4 on the support; fixed friction plate 4 is fixed on two rear end column 1-2 of belt two side stands; perhaps be fixed in the reinforcement stull 13 between support front end column 1-1 and the rear end column 1-2; be complementary with fixed friction plate 4; the upside of belt 3 is provided with movable friction plate 5 on the support; movable friction plate 5 is movably installed in by two side-prominent tenons 6 and is fixed on belt with in the movable friction plate guide rail on the side stand; two guide rails in support both sides are respectively by two the channel-section steel 7-1s of secured in parallel on support front end column 1-1 and rear end column 1-2; 7-2 forms; on support front end column 1-1 upper end crosspiece 8; the upside certain altitude stationkeeping installation activity friction plate driver train 2 of last belt, movable friction plate driver train 2 is by drive link 9 connection activity friction plates 5.
The movable friction plate driver train 2 of present embodiment is the piston actuated formula, for air pressure drives, the piston/cylinder of piston type driver train is fixedly mounted on the support front end column, the piston rod of piston/cylinder and the parallel track of movable friction plate and be the acute angle angle, the front end connection activity friction plate of piston rod with the belt up direction.Establish support push rod 10 at back-end support column 1-2 along the reverse side of belt up direction.
Embodiment two: referring to Fig. 1, Fig. 2, present embodiment is with the difference of embodiment one: fixed friction plate 4 is fixed on the movable friction plate adapter plate that is connected with movable friction plate 5 homonymy track channel-section steels and extends downwards, fixed friction plate 4 two ends are connected with the adapter plate at its two ends respectively, and described adapter plate and movable friction plate raceway surface are reinforced by reinforced rib.
Embodiment three: referring to Fig. 3; Fig. 4; present embodiment is the intelligent high angle belt conveyer broken belt protector system that contains aforementioned belt belt break protection device; keep at a certain distance away to tail at the head of adhesive tape conveyor 34 belt break protection device of some is set; the movable friction plate driver train of belt break protection device adopts Pneumatic piston; each piston/cylinder is communicated with power gas source by pipeline and electromagnetic valve; the described belt broken belt protector employing PLC of system is as master element; broken belt detector switch 31 is installed at tail tightening device place at adhesive tape conveyor 34; present embodiment adopts seven groups of belt break protection devices; the supporting electromagnetic valve of piston type driver train of label 32 expressions and each belt break protection device among Fig. 3; the broken belt position detecting switch of 33 expressions and the configuration of each belt break protection device; be equipped with a broken belt position detecting switch 33 near each belt break protection device; each electromagnetic valve 32 and broken belt position detecting switch 33 respectively by anti-explosion terminal box 35 and PLC flame proof control box (+KXJB) the master controller PLC in 36 is connected; each broken belt position detecting switch 33 connects the switching value input end of master controller PLC; each electromagnetic valve 32 connects the switching value mouth of master controller PLC, PLC flame proof control box (+KXJB) 36 be provided with the interface that connects the belt monitored control system
The interface that connects the intrinsic safety operator's station
The interface that connects power supply
PLC flame proof control box (+KXJB) 36 interface
Connect respectively No. 1; No. 2; No. 3; No. 4 motor switch; the broken belt protector system is provided with the signal transmitting device adhesive tape conveyor drive motor electric current is detected in real time; the current detection signal transmitter is electrically connected the analog quantity input end of master controller PLC; master controller PLC is receiving the broken belt signal that the broken belt detector switch is sent or is detecting the drive motor electric current when undergoing mutation; promptly export control signal and start the electromagnetic valve action; make belt break protection device locking belt; send an electric signal to the belt monitored control system by the interface that connects the belt monitored control system simultaneously; cut off the adhesive tape conveyor power supply; when the broken belt protector system does not reset, the cycling start of locking belt monitored control system.
The intelligent high angle belt conveyer broken belt protector of present embodiment system; master controller PLC is arranged in the PLC flame proof control box; master controller PLC is electrically connected intrinsic safety control display station, and intrinsic safety control display station is made up of indicator lamp, button, read-out, finishes the control and the supervision of whole system.The schematic circuit that is electrically connected that master controller PLC is concrete is seen Fig. 4, terminals COM1, the COM2 of master controller PLC, COM3, COM4 connect power cathode (0V) among the figure, are connected broken belt protector indication, 1~No. 7 position failure indication, operation indication, experiment indication, upper current limit indication, electric current roll off the production line indication and locking belt control system relay K 1, solenoid control relay K 2, duplicate relay K3 between mouth Y0~Y7, Y10~Y16 and the power supply 24V respectively; Be connected broken belt between input end X0~X7, the X10~Y16 of master controller PLC and the power cathode (0V) respectively and detect that input, 1~No. 7 position probing input, operation, experiment input change-over switch, fault reset button, experiment button, belt normally move input, the belt fault is imported and the lock release button.Master controller PLC bonded assembly FX
2N-4AD module connects 1~No. 4 current of electric input respectively.
Principle of work: this belt broken belt protector system uses Mitsubishi PLC as master element; belt broken belt, drive motor electric current, belt break protection device state etc. are detected in real time; pneumatic machine is partly moved satisfying the outage control of implementing when imposing a condition electromagnetic valve, reach the purpose of minimization of loss behind the belt broken belt.
1, the broken belt detector switch is installed at belt machine end tightening device place, is detected belt stretcher in real time and whether be in the normal position to judge whether to take place broken belt, if the broken belt situation takes place, the detector switch action makes the cylinder solenoid valve outage implement protection.
2, by master controller PLC the drive motor electric current is detected in real time: the no-load current the when electric current of belt startup rear motor does not have transported material more than or equal to belt, but belt tension disappears during broken belt, no-load current when at this moment the electric current of motor does not have transported material less than belt, monitor broken belt with this electric current, make the cylinder solenoid valve outage; Belt when operation shaft coupling damages or power drive system hinders the motor no power takeoff for some reason, this moment motor the no-load current of electric current when not having transported material less than belt, monitor the fault of power drive system with this electric current, cylinder solenoid valve is cut off the power supply; Belt may take a turn for the worse because of overload, and at this moment the electric current of motor should be equal to or greater than the overload setting current; Monitor belt with this electric current and take a turn for the worse possibly, make the cylinder solenoid valve outage.
3, the broken belt protector system is provided with the interface that connects the belt monitored control system; be as long as that broken belt protector is action; the broken belt protector system promptly offers the outage of an electric signal requirement of belt monitored control system motor, when not resetting in the broken belt protector system, and the cycling start of locking belt monitored control system.
System configuration mainly comprises: PLC flame proof control box, control display station (present embodiment adopts the intrinsic safety operator's station), broken belt monitoring switch, belt break protection device condition monitoring switch, flame proof distribution box with protectors etc.
1, PLC flame proof control box mainly is made up of Programmable Logic Controller, signal transmitting device, intermediate relay etc.; mainly finish belt broken belt, drive motor electric current, belt protection unit state etc. are detected in real time; and judge by the PLC computing and to send various control signals, the operation conditions of monitoring belt.
2, the intrinsic safety central control console is made up of indicator lamp, button, read-out etc., finishes the control and the supervision of whole system.Change-over swith, fault reset button, test button, lock release button of test/operation etc. are wherein arranged; Broken belt demonstration, the demonstration of belt break protection device state, system's operation demonstration, system test demonstration, the demonstration of electric current bound etc. are arranged.
3, in order to adapt to on-the-spot harsh environment, broken belt monitoring switch and belt break protection device condition monitoring switch can adopt magnetic approach switch.The termination of controlling on-the-spot electromagnetic valve can adopt the flame proof joint box.
The problem that should be noted that in service is that the main power source of control system power supply and belt power system should be same power supply, not with illumination or the same usefulness of other control power supplys, to prevent causing the protection misoperation because of power fail; In addition, the input outline of broken belt protector is later than the startup of belt, set the making time of different broken belt protectors according to different belt Starting mode, the no-load current the when electric current of motor will be equal to or greater than belt and do not have transported material during input prevents the misoperation of broken belt protector; Broken belt protector withdraw from the shutdown that will be ahead of belt, shutting down the rear motor electric current must not have the no-load current of transported material mouth cun less than belt, so want leading latch-up protection prevent misoperation when shutting down.
Claims (8)
1. belt belt break protection device; contain longitudinal crossing belt both sides and be fixedly installed in the ground-surface support in tunnel; it is characterized in that: the downside of belt is provided with the fixed friction plate on the back-end support column; be complementary at the upside of last belt and fixed friction plate and be provided with movable friction plate; described movable friction plate is movably installed in by two side-prominent tenons and is fixed on belt with in the movable friction plate guide rail on the side stand; the upside of belt is installed with movable friction plate driver train on the support front end column, the movable friction plate driver train activity friction plate that is in transmission connection.
2. belt belt break protection device according to claim 1; it is characterized in that: described movable friction plate driver train is the piston actuated formula; for air pressure drives or is hydraulic-driven; the piston/cylinder of piston type driver train is fixedly mounted on the support front end column; the piston rod of piston/cylinder and the parallel track of movable friction plate and be the acute angle angle, the front end connection activity friction plate of described piston rod with the belt up direction.
3. belt belt break protection device according to claim 1 and 2 is characterized in that: the fixed friction plate is fixed on the downside of going up belt on two columns in back-end support belt both sides, perhaps is fixed in the reinforcement stull between support front end column and the rear end column; Perhaps establish the support push rod in the reverse side of back-end support column belt up direction.
4. belt belt break protection device according to claim 1 and 2 is characterized in that: fixed friction plate two ends are separately fixed at movable friction plate and are connected on the movable friction plate adapter plate that extends downwards with siding track, are provided with the reinforcement stull between each column of support; Perhaps establish the support push rod in the reverse side of back-end support column belt up direction.
5. intelligent high angle belt conveyer broken belt protector system that contains the described belt belt break protection device of claim 1; keep at a certain distance away to tail at the head of adhesive tape conveyor the belt break protection device of some is set; the movable friction plate driver train of belt break protection device adopts Pneumatic piston; each piston/cylinder is communicated with power gas source by pipeline and electromagnetic valve; it is characterized in that: the described belt broken belt protector employing PLC of system is as master element; the broken belt detector switch is installed at tail tightening device place at adhesive tape conveyor; the broken belt detector switch is electrically connected the switching value input end of master controller PLC; the electromagnetic valve of every group of belt break protection device is electrically connected the switching value mouth of master controller PLC; the broken belt protector system is provided with the interface that connects the belt monitored control system; master controller PLC is when receiving the broken belt signal that the broken belt detector switch is sent; promptly export control signal and start the electromagnetic valve action; make belt break protection device locking belt; send an electric signal to the belt monitored control system by the interface that connects the belt monitored control system simultaneously; cut off the adhesive tape conveyor power supply; when the broken belt protector system does not reset, the cycling start of locking belt monitored control system.
6. intelligent high angle belt conveyer broken belt protector according to claim 5 system; it is characterized in that: be provided with the signal transmitting device adhesive tape conveyor drive motor electric current is detected in real time; the signal transmitting device is electrically connected the analog quantity input end of master controller PLC; when the drive motor electric current is undergone mutation; the outage of driving electromagnetic valve; send an electric signal to the belt monitored control system by the interface that connects the belt monitored control system simultaneously, cut off the adhesive tape conveyor power supply.
7. according to claim 5 or 6 described intelligent high angle belt conveyer broken belt protector systems; it is characterized in that: being complementary with each belt break protection device is provided with belt break protection device condition monitoring switch; each belt break protection device condition monitoring switch is electrically connected a switching value input end of master controller; master controller PLC is arranged in the PLC control box; master controller PLC is electrically connected the control display station; the control display station is made up of indicator lamp, button, read-out, finishes the control and the supervision of whole system.
8. intelligent high angle belt conveyer broken belt protector according to claim 7 system, it is characterized in that: belt break protection device condition monitoring switch and broken belt detector switch adopt magnetic approach switch.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNU2007200894739U CN201071219Y (en) | 2007-02-14 | 2007-02-14 | Belt break protection device and intelligent large inclination angle belt break protection system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CNU2007200894739U CN201071219Y (en) | 2007-02-14 | 2007-02-14 | Belt break protection device and intelligent large inclination angle belt break protection system |
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CN201071219Y true CN201071219Y (en) | 2008-06-11 |
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CNU2007200894739U Expired - Fee Related CN201071219Y (en) | 2007-02-14 | 2007-02-14 | Belt break protection device and intelligent large inclination angle belt break protection system |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103303653A (en) * | 2013-07-01 | 2013-09-18 | 江苏烨泰玻璃有限公司 | Automatic diagnosing belt conveyer |
CN107380954A (en) * | 2017-07-31 | 2017-11-24 | 西安科技大学 | A kind of conveyer belt anti-release device and method |
CN107639668A (en) * | 2016-07-20 | 2018-01-30 | 中山市大利路精工机械有限公司 | A kind of numerical-control full-automatic cutting machine |
-
2007
- 2007-02-14 CN CNU2007200894739U patent/CN201071219Y/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103303653A (en) * | 2013-07-01 | 2013-09-18 | 江苏烨泰玻璃有限公司 | Automatic diagnosing belt conveyer |
CN107639668A (en) * | 2016-07-20 | 2018-01-30 | 中山市大利路精工机械有限公司 | A kind of numerical-control full-automatic cutting machine |
CN107380954A (en) * | 2017-07-31 | 2017-11-24 | 西安科技大学 | A kind of conveyer belt anti-release device and method |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080611 Termination date: 20140214 |