CN104276391B - Belt breakage protecting device of belt conveyor - Google Patents
Belt breakage protecting device of belt conveyor Download PDFInfo
- Publication number
- CN104276391B CN104276391B CN201410560813.6A CN201410560813A CN104276391B CN 104276391 B CN104276391 B CN 104276391B CN 201410560813 A CN201410560813 A CN 201410560813A CN 104276391 B CN104276391 B CN 104276391B
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- Prior art keywords
- detector
- belt
- brake shoe
- bolt
- slider
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 238000013461 design Methods 0.000 claims abstract description 9
- 230000033001 locomotion Effects 0.000 claims abstract description 7
- 238000006243 chemical reaction Methods 0.000 claims abstract description 4
- 238000001514 detection method Methods 0.000 claims description 16
- 230000009471 action Effects 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 230000035945 sensitivity Effects 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 3
- 238000009987 spinning Methods 0.000 claims description 3
- 239000002390 adhesive tape Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000003818 cinder Substances 0.000 description 3
- 239000003245 coal Substances 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001012 protector Effects 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 241000397426 Centroberyx lineatus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000034994 death Effects 0.000 description 1
- 231100000517 death Toxicity 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000002699 waste material Substances 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
- B65G43/06—Control devices, e.g. for safety, warning or fault-correcting interrupting the drive in case of driving element breakage; Braking or stopping loose load-carriers
Landscapes
- Control Of Conveyors (AREA)
Abstract
The invention discloses a belt breakage protecting device of a belt conveyor. The belt breakage protecting device is in modular design and mainly comprises a frame, a support roller, grippers, a detector and a control system. The belt breakage protecting device is characterized in that each gripper is composed of a support web, a spiral guide mechanism, a drive motor, a coupler, a right-left threaded screw, a lower brake block, an upper brake block, a bearing seat and a fastening bolt. Under the control of a PLC (programmable logic controller), the drive motors runs to drive the right-left threaded screws connected with the same to rotate. With the right-left threaded screws, the upper and the lower brake blocks are driven by a spiral pair to move oppositely, leading to clamping motion of the broken belt. The detector is composed of an early warning bolt, a detector body, a rear slide block, a front slide block, a spring, a normally closed push button switch, a carrier roller, a bolt and a nut. Through the early warning bolt, reaction sensibility of the detector is adjusted according to tension of the belt.
Description
Technical field
The present invention relates to mine mechanism technology, specially a kind of belt break protection device of ribbon conveyer, this broken belt
The upper brake shoe of protection device can rotate automatically.
Background technology
Ribbon conveyer has the many merits such as low cost, high efficiency, distance, obtains widely should in many industries
With.But ribbon conveyer is because a variety of causes such as artificial and adhesive tape itself often occur the broken belt accident of adhesive tape so that adhesive tape, subtracting
The relevant devices such as fast device are damaged, and can damage frame when serious, cause the bulk deposition of adhesive tape and goods to stop production, or even people
Member's injures and deaths.
At home, colliery quantity and conveyer are large number of, wide in variety, considerably beyond other countries in the world, but
Compare external, domestic ribbon conveyer q＆r all there is very big gap although domestic broken belt protector technology
Also achieve certain progress but technology or not mature enough, therefore conveyer should obtain people and more pays close attention to, wherein defeated
Send machine broken belt protector problem should more be paid attention to, need researcher to make more efforts and be optimized and improve.For protection
In the problem of broken belt, application once people proposed a kind of " a kind of conveyor belt breakage protection device of ribbon conveyer " (referring to
201310742734.2), its device is made up of carrying roller support system, capturing system, broken belt monitoring system and control system.Arrest
System is by central idler mechanism, upper brake shoe mechanism, lower brake shoe, motor driven systems and supporting mechanism.Brake shoe mechanism is by electricity thereon
Magnet, round guide, upper brake shoe, upper brake shoe set and swallow-tail form gathering sill composition.After broken belt occurs, broken belt detecting system detects
The change of signal, sends signal, and capturing system is operated.But this belt break protection device still has some shortcomings: 1, exists
When upper brake shoe falls, on be aligned problematic it is desirable to high precision；2nd, structure is excessively complicated；3rd, step up overlong time, be unfavorable for breaking
Band protection.
Content of the invention
For the deficiencies in the prior art, the technical problem that the present invention intends to solve is: provides a kind of broken belt of ribbon conveyer
Protection device.The upper brake shoe of this protection device can be opened, and can automatically rotate, and does not affect cargo transport on belt.This protection
Device has automatic controlling level height, adjusts processing speed soon, stable and reliable in work, structure is relatively easy, and saves electricity
Can, the features such as low-carbon environment-friendly.
The technical scheme that the present invention solves described technical problem is: design a kind of belt break protection device of ribbon conveyer,
Using modularized design, mainly by frame, supporting carrier roller, catching device, detection means and control system composition；It is characterized in that
Described catching device is by support webs, spirally-guided mechanism, motor, shaft coupling, positive/negative thread leading screw, Xia Zha
Block, upper brake shoe, bearing block and fastening bolt group composition；Described spirally-guided mechanism is connected to support webs by fastening bolt
On, motor is fixed in spirally-guided mechanism by motor cabinet；Positive/negative thread leading screw passes through shaft coupling and motor
Output shaft is connected, and the other end is fixed in spirally-guided mechanism by bearing block, and lower brake shoe and upper brake shoe pass through screw pair and just
Left-hand thread leading screw forms screw pair cooperation；Support webs support whole catching device, and motor operates under the control of plc, band
The dynamic positive/negative thread leading screw rotation being attached thereto, due to right-and-left threaded presence, upper brake shoe, lower brake shoe can be in the drives of screw pair
Lower move toward one another, realizes the pinching action of broken belt；Due to spirally-guided there is spiral guide slot in mechanism, and upper brake shoe can decline
During ratate 90 degrees, realize from parallel with belt to 90 degree spinning movements perpendicular to belt, and with lower brake shoe coordinate, jointly
Complete the pinching action of belt；
Described detection means is by early warning bolt, detector body, detector rear slider, detector front-slider, spring, often
Close button switch, detector carrying roller, screw bolt and nut composition；It is provided with groove, detector rear slider and inspection inside detector body
Surveying device front-slider is placed on groove internal clearance to coordinate；Early warning bolt can adjust the position of detector rear slider, and then adjusts detector
Sensitivity level, equipped with normally closed switch on detector rear slider, equipped with spring between the forward and backward slide block of detector, detector front-slider
It is provided with auricle, detector carrying roller is arranged on auricle by bolt, nut, detector carrying roller back-up belt, it and detector
Front-slider is connected, and after there is broken belt accident, spring can flick detector front-slider, trigger normally closed push button switch, will instruct defeated
Enter in plc, early warning bolt can be according to the reaction sensitivity of belt tension size adjustment detector.
Compared with prior art, the invention has the beneficial effects as follows:
(1) reliability is high.Broken belt signal is detected by sensor, and drives clamping device action, more may be used than purely mechanic device
Lean on, more accurately.
(2) economize on resources.Due to being motorized motions protection device, the action simultaneously of all protection devices can be made, it is to avoid protect
The waste of protection unit resource.
(3) safety is good.The upper brake shoe opened can avoid the contact with coal cinder to lead to coal cinder to be piled up it is ensured that normal transport
And the safety of device, durability.
(4) high degree of automation.The present invention adopts belt break protection device plc electrical control, when the detection of broken belt detection means
During to broken belt signal, rapidly this signal is conveyed to plc, in plc, pre-set programs start corresponding actions, is adjusted in time locating
Reason, speed is fast；By motor reversal, so that upper and lower brake shoe is resetted, save manpower.
(5) life-span length.The rotatable design of upper brake shoe position can avoid transporting goods and materials (as coal cinder) and the touching of upper brake shoe
Hit, extend the service life of catching device.
Brief description
Fig. 1 is a kind of overall perspective view of embodiment of belt break protection device of ribbon conveyer of the present invention；
Fig. 2 is main structure diagram when upper brake shoe is opened shown in Fig. 1 of the present invention；
Fig. 3 is the main structure diagram after upper brake shoe closure shown in Fig. 1 of the present invention；
Fig. 4 is that a kind of detection means front view structure of embodiment of belt break protection device of ribbon conveyer of the present invention is illustrated
Figure；
Fig. 5 is that a kind of internal cross section structure of the catching device of embodiment of belt break protection device of ribbon conveyer of the present invention is shown
It is intended to；
Fig. 6 is a kind of control system composition structure and the work of embodiment of belt break protection device of ribbon conveyer of the present invention
Principle schematic；
Fig. 7 is that a kind of control system workflow of embodiment of belt break protection device of ribbon conveyer of the present invention is illustrated
Figure.
Specific embodiment
It is further discussed below the present invention with reference to embodiment and accompanying drawing.Specific embodiment is only used for describing the present invention in detail,
Do not limit the application scope of the claims.Simultaneously all different specific embodiments using for reference prior art generation are this
The specific embodiment of invention.
The conveyer belt of ribbon conveyer of present invention design, conveyer belt or belt belt break protection device (abbreviation broken belt protector
Device, referring to Fig. 1-7), using modularized design, mainly by frame 1, supporting carrier roller 2, catching device 3, detection means 4 and control
System 5 forms；It is characterized in that described catching device 3 and detection means 4 have been done actively improving as follows:
Described catching device 3 is by support webs 31, spirally-guided mechanism 32, motor 33, shaft coupling 34, positive/negative thread
Leading screw 35, lower brake shoe 36, upper brake shoe 37, bearing block 38 and fastening bolt group 39 etc. form.Spirally-guided mechanism 32 passes through fastening
It is bolted in support webs 31, motor 33 is fixed in spirally-guided mechanism 32 by motor cabinet.Positive/negative thread silk
Thick stick 35 is connected with the output shaft of motor 33 by shaft coupling 34, and the other end is fixed on spirally-guided mechanism by bearing block 38
On 32, lower brake shoe 36 and upper brake shoe 37 pass through screw pair and form screw pair cooperation with positive/negative thread leading screw 35.Support webs 31
To the effect supporting whole catching device, motor 33 operates under the control of plc, drives the positive/negative thread leading screw being attached thereto
, there is upper brake shoe 37, lower brake shoe 36 meeting move toward one another under the drive of screw pair due to right-and-left threaded, realize broken belt in 35 rotations
Pinching action.Due to the presence of the spiral guide slot of spirally-guided mechanism 32, upper brake shoe 37 can rotate during declining
90 degree, realize from parallel with belt to 90 degree of spinning movements perpendicular to belt, coordinate with lower brake shoe 36, jointly complete belt
Pinching action.
Described detection means 4 is by early warning bolt 41, detector body 42, detector rear slider 43, detector front-slider
44th, the composition such as spring 45, normally closed push button switch 46, detector carrying roller 47, bolt 48 and nut 49.Set inside detector body 42
Fluted, detector rear slider 43 and detector front-slider 44 are placed on groove internal clearance to coordinate.Early warning bolt 41 can adjust detection
The position of device rear slider 43 and then regulation detector sensitivity level.Equipped with normally closed switch 46 on detector rear slider, before detector
It is provided with auricle equipped with spring 45. detector front-slider 44, detector carrying roller 47 passes through bolt 48, nut 49 is pacified between rear slider
It is contained on auricle.Detector carrying roller 47 plays the effect of back-up belt, and it is mutually connected in generation broken belt thing with detector front-slider 44
Therefore spring 45 can flick detector front-slider 44 afterwards, trigger normally closed push button switch 46, input instructions in plc.Early warning bolt
41 can be according to belt tension size adjustment detector reaction sensitivity.
Described control system 5 is the control system with plc as core.Described control system includes 8051 single-chip microcomputers, speed
Sensor, normally closed push button switch, upper brake shoe travel switch, motor driver etc. forms.Described normally closed push button switch is arranged on inspection
Survey device rear slider front end.Described velocity sensor is arranged in the frame of conveyer belt front end.Described upper brake shoe travel switch peace
It is contained on the wall of break catching apparatus side.Described motor driver is arranged in plc switch board.
Frame 1(described in belt break protection device of the present invention is referring to Fig. 1) support 11 by lower, upper support 12, base 14 and company
Connecting bolt group 13 forms.Respectively there are support webs 31 at the top two ends of frame 1, pass through spiral shell between frame 1 and support webs 31
Bolt group connects, and mid portion installs supporting carrier roller 2, and carrying roller 2 is made up of carrying roller 21 and carrying roller bearing 23, plays support belt
Effect, and be connected in frame 1 by bolt 22；It is vertically fixed the guide rail 32 of spiral on web 31, inside guide rail 32
There is motor 33, motor 33 is fixed in spirally-guided mechanism 32 by bolt group, positive/negative thread leading screw 35 passes through shaft coupling
34 are connected on motor 33, and equipped with upper brake shoe 37 and lower brake shoe 36 on positive/negative thread leading screw 35, positive/negative thread leading screw is about 35
Part has contrary screw thread.
Described supporting carrier roller 2 is made up of carrying roller 21 and carrying roller bearing 23, plays the effect of support belt, and passes through bolt
22 are fixed on base.
Described detection means 4 mainly has: before early warning bolt 41, detector body 42, detector rear slider 43, detector
Slide block 44, spring 45, normally closed push button switch 46, detector carrying roller 47, bolt 48, nut 49 etc. form.Described detector body
42 is the supporting construction of detection means, and end is fixed on (referring to Fig. 4) in frame 1；Described early warning bolt 41 is installed on detector
The end of rear slider 43, for adjusting the position with fixed detector rear slider 43；Described normally closed push button switch 46 is arranged on inspection
Survey before device rear slider 43, for test position change；Described spring 45 is fixed on the front end of detector rear slider 43；Institute
The front end stating spring 45 gos deep in the end blind hole of detector front-slider 44 it is ensured that the stability of spring 45 stress；Detector support
Roller 47 is installed on the front end of detector front-slider 44, detector carrying roller 47 support belt.
Described control system 5 is the control system (with reference to Fig. 6) with plc as core.Described control system mainly includes
8051 single-chip microcomputers, velocity sensor, normally closed push button switch 46, upper brake shoe travel switch and motor driver；Described normally closed button
Switch is arranged on detector rear slider 43 front end.Described velocity sensor is arranged in the frame 1 of conveyer belt front end.Described brake application
Block travel switch is arranged on the wall of break catching apparatus side.Described motor driver is arranged in plc switch board.
Write pre-set programs (with reference to Fig. 7) in the plc of control system 5.During start, first plc is carried out power-on self-test and
Initialization, enters back into working condition.When not having broken belt signal input, plc controls catching device to keep current state；Broken belt occurs
When broken belt signal normally closed push button switch 46 input a signal into plc, plc controls and sends alarm signal, controlled motor driver simultaneously
Driving is arrested motor 33 and is rotated forward, and clamping device running steps up broken belt, and Negotiation speed sensor detects the speed letter of conveyer belt simultaneously
Number, when speed is zero, motor driver drives arrests motor 33 stopping rotating forward；Unload the material in lower conveyer belt, simultaneously close off
Alarm, motor driver driving is arrested motor 33 and is inverted, to repair or to change conveyer belt；Open when turning to upper brake shoe stroke
Guan Shi, motor driver drives and arrests motor 33 stall；Catching device restPoses, and continues to detect the presence of broken belt signal；plc
Connect host computer, detect the state of each sensor, after process, the running status of conveyer belt is shown.
The operation principle of belt break protection device of the present invention and process following (referring to Fig. 1,4): when there is broken belt, detection dress
Put change signal is detected, broken belt signal is conveyed to plc, plc is controlling motor 33 to rotate forward, and motor 33 drives
Leading screw 35 and upper and lower brake shoe 37,36 move toward one another, and upper and lower brake shoe 37,36 corresponding leading screws 35 have reverse screw thread, when
When motor 33 rotates, upper and lower brake shoe 37,36, along leading screw 35 move toward one another, realizes the clamping movement of broken belt.During this period, brake application
Block 37 is subject to the constraining of profile constraints device 32, during declining, from side realize 90 degree of quick rotation to lower brake shoe
36 is parallel, completes subsequently to step up.Process finishes after event, and motor 33 inverts, and upper and lower brake shoe 37,36 resets.
The detection means of the present invention is that the principle that make use of detection power detects broken belt signal.Once generation broken belt, slide in front and back
Compression spring between block can promote front-slider to advance along guide rail, and at this moment normally closed switch will detect that this signal and is delivered to
Plc, then plc issue instructions to catching device and arrested.This design have sensitive, quickly, direct advantage, can be effective
With velocity measuring the fastest to broken belt and by signal transmission to plc, then quickly carry out the cAN _ SNture of catching device.
It will be apparent that one side belt break protection device of the present invention can be exclusively used on ribbon conveyer, to improve its work efficiency
And safety；Though another aspect belt break protection device of the present invention aims at the conveyor belt breakage of ribbon conveyer and designs, it is complete
Entirely it is applied in the machinery equipment that other have similar conveyer belt, belt or conveyer belt.
The present invention does not address part and is applied to prior art.
Claims (1)
1. a kind of belt break protection device of ribbon conveyer, using modularized design, mainly by frame, supporting carrier roller, catching device,
Detection means and control system composition；It is characterized in that:
Described catching device by support webs, spirally-guided mechanism, motor, shaft coupling, positive/negative thread leading screw, lower brake shoe,
Upper brake shoe, bearing block and fastening bolt group composition；Described spirally-guided mechanism is connected in support webs by fastening bolt, drives
Galvanic electricity machine is fixed in spirally-guided mechanism by motor cabinet；Positive/negative thread leading screw passes through the output shaft of shaft coupling and motor
It is connected, the other end is fixed in spirally-guided mechanism by bearing block, lower brake shoe passes through screw pair and positive/negative thread with upper brake shoe
Leading screw forms screw pair cooperation；Support webs support whole catching device, and motor operates under the control of plc, drive therewith
Connected positive/negative thread leading screw rotation, due to right-and-left threaded presence, upper brake shoe, lower brake shoe can be opposite under the drive of screw pair
Motion, realizes the pinching action of broken belt；Due to spirally-guided there is spiral guide slot in mechanism, and upper brake shoe can be during declining
Ratate 90 degrees, realize from parallel with belt to 90 degree of spinning movements perpendicular to belt, and coordinate with lower brake shoe, jointly complete skin
The pinching action of band；
Described detection means by early warning bolt, detector body, detector rear slider, detector front-slider, spring, normally closed press
Button switch, detector carrying roller, screw bolt and nut composition；It is provided with groove, detector rear slider and detector inside detector body
Front-slider is placed on groove internal clearance to coordinate；Early warning bolt can adjust the position of detector rear slider, and then it is sensitive to adjust detector
Degree, equipped with normally closed push button switch on detector rear slider, equipped with spring between the forward and backward slide block of detector, detector front-slider
It is provided with auricle, detector carrying roller is arranged on auricle by bolt, nut, detector carrying roller back-up belt, it and detector
Front-slider is connected, and after there is broken belt accident, spring can flick detector front-slider, trigger normally closed push button switch, will instruct defeated
Enter in plc, early warning bolt can be according to the reaction sensitivity of belt tension size adjustment detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410560813.6A CN104276391B (en) | 2014-10-21 | 2014-10-21 | Belt breakage protecting device of belt conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410560813.6A CN104276391B (en) | 2014-10-21 | 2014-10-21 | Belt breakage protecting device of belt conveyor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104276391A CN104276391A (en) | 2015-01-14 |
| CN104276391B true CN104276391B (en) | 2017-02-01 |
Family
ID=52251826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410560813.6A Expired - Fee Related CN104276391B (en) | 2014-10-21 | 2014-10-21 | Belt breakage protecting device of belt conveyor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104276391B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4314631A (en) * | 1980-02-22 | 1982-02-09 | Uniment Systems, Inc. | Frictional belt brake |
| WO2001055013A1 (en) * | 2000-01-25 | 2001-08-02 | Jan Harmes Nieuwoudt | Retaining device for a conveyor belt assembly |
| CN201002887Y (en) * | 2006-12-13 | 2008-01-09 | 李允旺 | Wedge block type belt conveyer belt-breakage protection device with openable upper block brake |
| CN201099526Y (en) * | 2007-11-09 | 2008-08-13 | 李允旺 | Belt conveyor buffer type wedge type belt-breaking brake device |
| CN203612571U (en) * | 2013-12-24 | 2014-05-28 | 河北工业大学 | Conveyor belt breakage protection device for belt conveyor |
| CN103818699B (en) * | 2014-01-27 | 2015-11-18 | 山东科大机电科技股份有限公司 | There is the belt break protection device of deceleration |
| CN204078752U (en) * | 2014-10-21 | 2015-01-07 | 河北工业大学 | A kind of belt break protection device of belt conveyer |
-
2014
- 2014-10-21 CN CN201410560813.6A patent/CN104276391B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN104276391A (en) | 2015-01-14 |
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Granted publication date: 20170201 |