CN206088222U - Scrape trigger versatile protector - Google Patents
Scrape trigger versatile protector Download PDFInfo
- Publication number
- CN206088222U CN206088222U CN201621110223.4U CN201621110223U CN206088222U CN 206088222 U CN206088222 U CN 206088222U CN 201621110223 U CN201621110223 U CN 201621110223U CN 206088222 U CN206088222 U CN 206088222U
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- China
- Prior art keywords
- switch
- chain
- runner
- scrapper conveyor
- comprehensive protector
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- 230000001012 protector Effects 0.000 title claims abstract description 35
- 239000000463 material Substances 0.000 claims abstract description 15
- 238000001514 detection method Methods 0.000 claims description 8
- 238000012423 maintenance Methods 0.000 abstract description 11
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000009467 reduction Effects 0.000 abstract description 2
- 230000008439 repair process Effects 0.000 abstract description 2
- 230000001681 protective effect Effects 0.000 abstract 5
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000007790 scraping Methods 0.000 abstract 1
- 230000009471 action Effects 0.000 description 5
- 239000003245 coal Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000004913 activation Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000007665 sagging Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 238000013024 troubleshooting Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Control Of Conveyors (AREA)
Abstract
The utility model discloses a scrape trigger versatile protector. Establishing the transmission link that is used for transmitting the material on first runner and second runner including first runner, second runner and while cover, still including first switch, first switch is located the annular space of transmission link formation and is close to first runner, the second switch is connected on protective chain, and protective chain's first end is fixed to be set up, and protective chain's second end detachably connects on the transmission link, the height that highly is higher than the transmission link of third switch, the third switch is close to the second runner, the height that highly is less than the transmission link of fourth switch, the fourth switch is close to first runner setting. The utility model provides a scrape trigger versatile protector, the trigger is comprehensive to be detected and the protection to scraping, and the testing result is nimble, accessible time finds the trouble, and forget after maintenance person person examines and repair and protect protective chain under the circumstances of dismantling protective chain, the loss of assets during the reduction accident, the cost of manufacture is low.
Description
Technical field
The utility model is related to plant equipment protection technology field, more particularly to a kind of scrapper conveyor comprehensive protector.
Background technology
Scrapper conveyor is the important transport of coal washing and coal distributor, relative to other transporting equipments exist fault rate compared with
The big problem of high, repair and maintenance amount, the failure of scrapper conveyor mainly have chain rupture, jump chain, scraper plate fracture, overload shutdown, owe speed and
Coal piling etc..
In prior art, the GPF (General Protection False of scrapper conveyor only owes speed, overload and block-resistant protection.Existing safeguard measure
Have the following disadvantages:First, protect not comprehensive, it is impossible to which the failure of scrapper conveyor is protected comprehensively;Second, to fault detect not
In time, failure can only be detected when accident is serious, it is impossible to find failure in time, easily increases loss of assets degree;3rd, scrape
Need to arrange protection chain when trigger is overhauled, prevent scrapper conveyor accidental activation in maintenance, maintenance from protecting chain to often forget about after terminating
It is removed, the protection chain do not removed easily is torn when scrapper conveyor runs.
Therefore, it is necessary to solve above-mentioned technical problem.
Utility model content
The utility model provides a kind of scrapper conveyor comprehensive protector, to solve the problems of the prior art, to scrapper conveyor
Complete detection and protection, testing result flexibly, can in time find failure, and the situation for dismantling protection chain can be forgotten after maintenance terminates
Under to protect chain protect, reduce accident occur when loss of assets, low manufacture cost.
The utility model provides a kind of scrapper conveyor comprehensive protector, including the first runner, the second runner and winding
It is used to conveying the chain of material on first runner and second runner, the material on the chain is from leaning on
The side of nearly first runner is dropped, and is also included:For the first switch disconnected after the chain is touched, described the
One switch is in the annular space that the chain is formed and near first runner;For what is disconnected when being under pressure
Second switch and the protection chain being overlapped on the second switch, the first end of the protection chain is fixedly installed, the protection
Second end of chain is detachably connected on the chain;For disconnecting when chain exceeds detection range the 3rd opens
Close, higher than the height of the chain, the 3rd switch is located at first runner and described for the height of the 3rd switch
Between second runner and near second runner;For after the material is touched disconnect the 4th switch, the described 4th
, less than the height of the chain, the 4th switch is near first runner setting for the height of switch.The first switch,
The second switch, the 3rd switch and the 4th switch are connected in the power supply circuits of the scrapper conveyor.
Scrapper conveyor comprehensive protector as above, preferably:The alarm is alarm lamp.
Scrapper conveyor comprehensive protector as above, preferably:The scrapper conveyor comprehensive protector also includes casing,
Accommodating chamber is offered in the casing, first runner, second runner and the chain are arranged at the appearance
Receive in chamber.
Scrapper conveyor comprehensive protector as above, preferably:The first switch, the second switch, described
Three switches and the 4th switch are arranged on the inwall of the accommodating chamber.
Scrapper conveyor comprehensive protector as above, preferably:The first end of the protection chain is connected to the receiving
On the inwall in chamber.
Scrapper conveyor comprehensive protector as above, preferably:The first switch is the first deviation switch, described the
The actuating strut of one deviation switch is located in the annular space that the chain is formed.
Scrapper conveyor comprehensive protector as above, preferably:The second switch is the second deviation switch, described the
The actuating strut of two deviation switchs is connected with the protection chain.
Scrapper conveyor comprehensive protector as above, preferably:3rd switch is proximity switch, and described being close to is opened
The sensitive surface of pass is relative with the chain face of the chain.
Scrapper conveyor comprehensive protector as above, preferably:4th switch is tilt switch.
The scrapper conveyor comprehensive protector provided using the utility model, can produce following beneficial effect:In scraper plate also just
The problems such as often just detecting failure, such as chain-loose, chain breakage during operation.To scraper plate chain rupture, jump chain deficient speed, coal piling, mistake
Carry detection at the right time.There is protection action immediately in guarantee accident one, accident can be disposed in 30 minutes, compared to existing
There is each troubleshooting in technology more than 6 hours, overhaul efficiency to greatly improved, reduce loss of assets.The present invention is from peace
Full angle has prevented maintainer into after scrapper conveyor because of the accident of various operational errors generation, it is ensured that maintenance safety.
Description of the drawings
Preferred embodiment in the present invention will be described in detail by accompanying drawing below, it will help understand the purpose of the present invention and excellent
Point, wherein:
The structural representation of the scrapper conveyor comprehensive protector that Fig. 1 is provided for the utility model preferred embodiment.
Fig. 2 is the top view of Fig. 1.
Specific embodiment
The utility model is described in detail with reference to embodiment.Wherein identical parts identical accompanying drawing mark
Note is represented.It should be noted that the word "front", "rear", "left", "right", "up" and "down" used in describing below is referred to
Direction in accompanying drawing, word " interior " and " outward " refer respectively to the direction towards or away from particular elements geometric center.
The structural representation of the scrapper conveyor comprehensive protector that Fig. 1 is provided for the utility model preferred embodiment.Fig. 2 is figure
1 top view.As depicted in figs. 1 and 2, the utility model provides a kind of scrapper conveyor comprehensive protector, including the first runner
1st, the second runner 2, be used to convey the chain 3 of material around being located on first runner 1 and second runner 2, for protecting
The first switch 4 of shield scrapper conveyor, the switch 7 of the switch of second switch the 5, the 3rd 6 and the 4th.
Material on the chain 3 drops from the side near first runner 1, and the first switch 4 is in contact
Disconnect to after the chain 3, the first switch 4 is located in the annular space that the chain 3 is formed and near described the
One runner 1.The second switch 5 disconnects when being under pressure, and protection chain 8 is overlapped on second switch 5, the protection chain 8
First end is fixedly installed, and the second end of the protection chain 8 is detachably connected on the chain 3;3rd switch 6 exists
Chain 3 disconnects when exceeding detection range, and the height of the 3rd switch 6 is higher than the height of the chain 3, and the described 3rd opens
Close 6 to be located between first runner 1 and second runner 2 and near second runner 2;4th switch 7 is connecing
Contact and disconnected after the material, the height of the 4th switch 7 is less than the height of the chain 3, and the 4th switch 7 is close
First runner 1 is arranged;The first switch 4, the second switch 5, the 3rd switch 6 and the 4th switch 7
In being connected on the power supply circuits of the scrapper conveyor.
Referring to Fig. 1 to Fig. 2, the first runner 1 is head pulley, and the second runner 2 is tail wheel, and material is in chain 3
Under gearing, it is transferred to after the first runner 1 from the edge of the first runner 1 slide from the second runner 2.First switch 4 is connected to
In the current supply circuit of scrapper conveyor, when the tensile force of chain 3 near the first runner 1 is not enough, chain 3 is located at the first runner 1
The chain on top is sagging to touch first switch 4, and first switch 4 deviates original position, and the first switch 4 after deviation is by scraper plate
The power supply circuits cut-out of machine, scrapper conveyor is out of service.Above-mentioned protection can detect the chain near the first runner 1
3 chain tension is not enough, timely disconnecting circuit when jumping chain or chain rupture, is prevented effectively from fault spread.First switch 4 can with
Run-off the straight signal and be transferred to programmable logic controller (PLC) (PLC) centralized control system during run-off the straight, PLC centralized control systems while
Fault message is pushed on display screen and notifies attendant's handling failure problem as early as possible, while control scrapper conveyor down circuitry.
Protection chain 8 is overlapped on second switch 5, and second switch 5 controls scrapper conveyor in the case where the squeezing action of chain 8 is protected
Power supply circuits maintain disconnect state, and then ensure that scrapper conveyor in shut down state.Maintainer enters scrapper conveyor, must
Protection chain 8 must be installed, the first end for protecting chain 8 is fixedly installed, and the second end for protecting chain 8 is connected on chain 3, protects chain 8
It is overlapped on second switch 5, scrapper conveyor accidental activation under inspecting state not only can be effectively prevented and causes personnel to injure, also
Can ensure that and do not remove that after maintenance terminates protection chain cannot start scrapper conveyor, make to protect chain from damage.Second switch 5 may be used also
So that compression signal is sent when being squeezed and PLC centralized control systems are transferred to, PLC centralized control systems push on a display screen on one side event
Barrier information notifies attendant's handling failure problem as early as possible, while control scrapper conveyor down circuitry.3rd switch 6 can be to scraper plate
The chain 3 of machine is provided owes speed protection, and the 3rd switch 6 is arranged on the top of chain 3, and the moment detects the operation shape of chain 3
Condition, as shown in Figure 1.3rd switch 6 is connected in the power supply circuits of scrapper conveyor, when the chain rupture of chain 3, the card chain of the second runner 2
Or overload, when killing, chain 3 sinks or deflection, now the switch of chain 3 and the 3rd the distance between 6 switchs 6 more than the 3rd
The distance that can be detected.When detection means in 3rd switch 6 can't detect chain 3, by the signal transmission to the 3rd switch 6
In controller in, controller by the circuit disconnection of the inside of the 3rd switch 6, and then by the circuitry cuts of scrapper conveyor.3rd switch 6
Can owe speed and signal and be transferred to PLC centralized control systems to send when chain exceeds detecting distance, PLC centralized control systems while
Fault message is pushed on display screen and notifies attendant's handling failure problem as early as possible, while control scrapper conveyor down circuitry.
4th switch 7 can when feed blocking is near the first runner 1 timely disconnecting circuit, protect the first runner 1
With chain 3 from damage.4th switch 7 is connected in the power supply circuits of scrapper conveyor, and when feed blocking, material starts holding
Receive and block near the discharging opening in chamber.Similarly, the 4th switch 7 is subject to the squeezing action of material to retrodeviate from original position, will scrape
The circuitry cuts scrapper conveyor of trigger is stopped transport, and chain 3 stops transmission material.4th switch 7 can be detected with exceeding in chain
Apart from when send jam signal and be transferred to PLC centralized control systems, PLC centralized control systems push on a display screen on one side fault message and lead to
Attendant's handling failure problem as early as possible is known, while control scrapper conveyor down circuitry.
Above-mentioned first switch 4, the switch 7 of the switch of second switch the 5, the 3rd 6 and the 4th are connected on circuit, can be to scraper plate
Complete detection and protection that machine is provided, detect sensitive, can in time find failure, can forget dismounting after maintenance personal's maintenance terminates
To protecting chain 8 to protect in the case of protection chain 8, there is the loss of assets during accident, and low manufacture cost in reduction, be conducive to
Reduce production cost.
Preferably, the scrapper conveyor comprehensive protector is also included for detecting the scrapper conveyor shutdown alarm
Alarm 9, the alarm 9 is positioned close at the position of first runner 1.Maintainer's maintenance scrapper conveyor, disintegrating machine
Deng special installation when, electrician to have a power failure and pull out the corresponding drawer of power failure equipments, in order to ensure that drawer pulls out, ensures to overhaul really
Personal security, installs alarm 9 at the first runner 1.Only when electrician pulls out in drawer, equipment and the completely isolated Times of power supply
Alert device 9 is just reported to the police.Further, the alarm 9 can be alarm lamp, and when equipment and isolated from power, alarm lamp is bright,
Indicate to the clear and definite power-off of scraper machine overhauling personnel, preferably ensure maintainer's safety.
It is preferred that the scrapper conveyor comprehensive protector also includes casing, accommodating chamber is offered in the casing, described the
One runner 1, second runner 2 and the chain 3 are arranged in the accommodating chamber.Casing to the first runner 1,
Two runners 2 and chain 3 play the function of protection.
As a preferred embodiment, the first switch 4, the second switch 5, the 3rd switch 6, Yi Jisuo
State the 4th switch 7 to be arranged on the inwall of the accommodating chamber.Accommodating chamber to first switch 4, second switch the 5, the 3rd switch 6,
And the 4th switch 7 play and efficiently locate and supporting role.
It is preferred that the first switch 4 is the first deviation switch, the actuating strut of first deviation switch is located at the biography
In the annular space that defeated chain 3 is formed.When chain 3 is sagging touches the first deviation switch, the first deviation switch disconnects scraper plate
The circuit that machine is located.
Similarly, second switch 5 is stated for the second deviation switch, the actuating strut of second deviation switch and the protection chain
8 are connected.Second deviation switch is connected with protection chain 8, when protection chain 8 is stretched, has stretching to make to the second deviation switch
With the second deviation switch deviates the circuit that origin-location disconnects scrapper conveyor.Preferably, a drawing is connected on the second deviation switch
Rope, the end of drawstring is connected on the inwall of accommodating chamber, and protection chain 8 is arranged on the top of drawstring and depresses drawstring, and sideslip is opened
The original position of skew is closed, the circuit of scrapper conveyor is disconnected, scrapper conveyor cannot be started, it is ensured that in the situation that protection chain 8 is present
Under, scrapper conveyor cannot start.
Preferably, the 3rd switch 6 is proximity switch, the chain of the sensitive surface of the proximity switch and the chain 3
Face is relative.When the run-off the straight of chain 3 or fracture, what the distance between chain 3 and sensitive surface can be detected more than sensitive surface
Distance, by the controller inside the signal transmission to proximity switch that can't detect chain 3, controller control is close to sensitive surface
The circuit of switch internal disconnects, and then the scrapper conveyor power supply circuits for being connected with proximity switch are disconnected.
Used as a preferred embodiment, the 4th switch 7 is tilt switch, and tilt switch is under material squeezing action
Circuit inside touching by run-off the straight disconnects, and then will be connected with the circuit disconnection of tilt switch.
The scrapper conveyor comprehensive protector that the utility model is provided, when scraper plate also normally runs failure can be just detected,
Such as the problems such as chain-loose, chain breakage.To scraper plate chain rupture, jump chain deficient speed, coal piling, overload detection at the right time.Guarantee accident
One there is protection action immediately, and accident can be disposed in 30 minutes, compared to each troubleshooting in prior art 6
More than hour, overhaul efficiency is greatly improved, reduce loss of assets.The present invention has prevented maintainer's entrance from security standpoint
Because of the accident of various operational errors generation after scrapper conveyor, it is ensured that maintenance safety.
Finally it should be noted that:Above example only to illustrate the technical solution of the utility model, rather than a limitation;
Although being described in detail to the utility model with reference to the foregoing embodiments, it will be understood by those within the art that:
It still can modify to the technical scheme described in foregoing embodiments, or which part technical characteristic is carried out etc.
With replacement;And these modifications or replacement, do not make each embodiment technology of essence disengaging the utility model of appropriate technical solution
The scope of scheme.
Claims (10)
1. a kind of scrapper conveyor comprehensive protector, including the first runner, the second runner and around being located at first runner and institute
Stating is used for the chain for conveying material on the second runner, the material on the chain is near first runner
Drop side, it is characterised in that also include:
For the first switch disconnected after the chain is touched, the first switch is located at the ring that the chain is formed
In shape space and near first runner;
For the second switch disconnected when being under pressure and the protection chain that is overlapped on the second switch, the protection
The first end of chain is fixedly installed, and the second end of the protection chain is detachably connected on the chain;
For the 3rd switch disconnected when chain exceeds detection range, the height of the 3rd switch is higher than the chain
Height, the 3rd switch is located between first runner and second runner and near second runner;
For the 4th switch disconnected after the material is touched, the height of the 4th switch is less than the height of the chain
Degree, the 4th switch is arranged near first runner,
The first switch, the second switch, the 3rd switch and the 4th switch are connected on the scrapper conveyor
In power supply circuits.
2. scrapper conveyor comprehensive protector according to claim 1, it is characterised in that:The scrapper conveyor comprehensive protector
Also include in the alarm for detecting the scrapper conveyor shutdown alarm, the alarm to be positioned close to described first turn
At the position of wheel.
3. scrapper conveyor comprehensive protector according to claim 2, it is characterised in that:The alarm is police instruction
Lamp.
4. scrapper conveyor comprehensive protector according to claim 1, it is characterised in that:The scrapper conveyor comprehensive protector
Also include casing, accommodating chamber is offered in the casing, first runner, second runner and the chain are equal
It is arranged in the accommodating chamber.
5. scrapper conveyor comprehensive protector according to claim 4, it is characterised in that:The first switch, described second
Switch, the 3rd switch and the 4th switch are arranged on the inwall of the accommodating chamber.
6. scrapper conveyor comprehensive protector according to claim 4, it is characterised in that:The first end connection of the protection chain
On the inwall of the accommodating chamber.
7. the scrapper conveyor comprehensive protector according to claim 1-6 any one, it is characterised in that:The first switch
For the first deviation switch, the actuating strut of first deviation switch is in the annular space that the chain is formed.
8. the scrapper conveyor comprehensive protector according to claim 1-6 any one, it is characterised in that:The second switch
For the second deviation switch, the actuating strut of second deviation switch is connected with the protection chain.
9. the scrapper conveyor comprehensive protector according to claim 1-6 any one, it is characterised in that:3rd switch
For proximity switch, the sensitive surface of the proximity switch is relative with the chain face of the chain.
10. the scrapper conveyor comprehensive protector according to claim 1-6 any one, it is characterised in that:Described 4th opens
Close as tilt switch.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621110223.4U CN206088222U (en) | 2016-10-10 | 2016-10-10 | Scrape trigger versatile protector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621110223.4U CN206088222U (en) | 2016-10-10 | 2016-10-10 | Scrape trigger versatile protector |
Publications (1)
Publication Number | Publication Date |
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CN206088222U true CN206088222U (en) | 2017-04-12 |
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ID=60413895
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201621110223.4U Active CN206088222U (en) | 2016-10-10 | 2016-10-10 | Scrape trigger versatile protector |
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CN (1) | CN206088222U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107140405A (en) * | 2017-05-11 | 2017-09-08 | 安徽科信矿山机械制造有限公司 | A kind of scraper system with safe unit |
CN114560260A (en) * | 2022-02-23 | 2022-05-31 | 湖南九鼎科技(集团)永州鼎立饲料有限公司 | Scraper with multiple protection functions |
-
2016
- 2016-10-10 CN CN201621110223.4U patent/CN206088222U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107140405A (en) * | 2017-05-11 | 2017-09-08 | 安徽科信矿山机械制造有限公司 | A kind of scraper system with safe unit |
CN114560260A (en) * | 2022-02-23 | 2022-05-31 | 湖南九鼎科技(集团)永州鼎立饲料有限公司 | Scraper with multiple protection functions |
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