CN210619382U - Anti-tearing device and belt conveyor - Google Patents
Anti-tearing device and belt conveyor Download PDFInfo
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- CN210619382U CN210619382U CN201920893809.XU CN201920893809U CN210619382U CN 210619382 U CN210619382 U CN 210619382U CN 201920893809 U CN201920893809 U CN 201920893809U CN 210619382 U CN210619382 U CN 210619382U
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- 239000007769 metal material Substances 0.000 claims description 4
- 230000005236 sound signal Effects 0.000 claims description 3
- 230000035945 sensitivity Effects 0.000 abstract description 10
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Abstract
The utility model discloses a tear-proof device and belt conveyor, tear-proof device includes: the traction rope extends along the width direction of the forward-moving conveyor belt, penetrates between the forward-moving conveyor belt and a support frame for supporting the forward-moving conveyor belt, and both ends of the traction rope extend towards one side of the return-moving conveyor belt; the baffle is arranged between the two supporting legs for supporting the supporting frame, is hung on the traction rope and has gaps with the return conveyer belt and the supporting legs; the sensing piece is arranged on the baffle and used for monitoring and sending a displacement signal of the baffle; and the proximity switch is used for receiving the displacement signal, comparing the displacement signal with a preset signal and controlling the starting and stopping of the belt conveyor according to a comparison result. The utility model provides a prevent tearing device and belt conveyor, sensitivity is high, and good reliability in case take place to tear and shut down fast, furthest's reduction economic loss.
Description
Technical Field
The utility model relates to a tear preventing device, more specifically relates to a tear preventing device and belt conveyor.
Background
The belt conveyor is widely used in various industries, especially in mine or port industries, for example, in the coal mining process, the belt conveyor is used for transporting coal, and has the advantages of strong conveying capacity, long conveying distance, reliable operation and the like.
The belt conveyor comprises a conveyor belt onto which material is unloaded for transport. If the tensile strength of the conveying belt is low, the conveying belt is easily scratched or torn along with the friction of materials and the increase of the service life, the continuous operation of the belt conveyor is influenced, and even great economic loss is caused. In order to avoid the above situation, an anti-tear sensor is usually installed on the belt conveyor, if the anti-tear sensor is installed below the belt conveyor, when the belt conveyor tears a gap, the material carried on the belt conveyor drops on the anti-tear sensor through the gap, a trigger signal appears after the leakage weight is accumulated to a certain extent, the anti-tear sensor sends a stop signal to the belt conveyor, and the belt conveyor stops operating, so as to avoid further tearing of the belt conveyor. However, the sensitivity of the existing anti-tear sensor is relatively low, and the conveyor belt can only be prevented from being torn continuously after a period of time after the tearing occurs, or the foreign matter penetrates through the conveyor belt without leaking the material, so that prompt or corresponding operation cannot be given in time at the moment. Moreover, the anti-tear sensor has a high malfunction rate, which affects the normal operation of the belt conveyor and the high-yield and high-efficiency production operation.
Therefore, a tear preventing device and a belt conveyor are needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing an anti-tear device and belt conveyor, sensitivity is high, and the good reliability in case take place to tear and shut down fast, furthest's reduction economic loss.
Based on above-mentioned purpose the utility model provides a pair of anti-tear device, include:
the traction rope extends along the width direction of a forward-moving conveying belt of the belt conveyor, penetrates between the forward-moving conveying belt and a support frame for supporting the forward-moving conveying belt, and two ends of the traction rope extend towards one side of a return-moving conveying belt of the belt conveyor;
the baffle is arranged between two supporting legs for supporting the supporting frame, is hung on the traction rope and has gaps with the return conveyer belt and the supporting legs;
the sensing piece is arranged on the baffle and used for monitoring and sending a displacement signal of the baffle;
the induction sheet and the proximity switch are arranged oppositely, and the proximity switch is used for receiving the displacement signal, comparing the displacement signal with a preset signal and controlling the start and stop of the belt conveyor according to a comparison result.
Preferably, the support frame comprises a base plate connected with the support legs and a plurality of support rods distributed at intervals along the length direction of the base plate, and a through hole for penetrating the traction rope is formed in one end, used for supporting the going-path conveying belt, of each support rod.
Preferably, both ends of the traction rope are provided with rope buckles, hooks are arranged at the positions, opposite to the rope buckles, of the baffle, and the hooks can be hooked on the rope buckles.
Preferably, the hauling cable is made of metal materials.
Preferably, the tear preventing means further comprises: the rotating shaft is erected between the two supporting legs and is connected with the baffle; the detection assembly comprises a connecting rod and a detection wheel which is rotatably connected with the connecting rod, the connecting rod is rotatably connected with the rotating shaft, and the detection wheel can reciprocate along the return conveying belt.
Preferably, the detection wheel is made of rubber materials.
Preferably, the number of the induction pieces is two, the two induction pieces are respectively arranged on the end faces of the two opposite ends of the baffle, and the proximity switches arranged opposite to the induction pieces are connected to the supporting legs.
Preferably, the tear preventing means further comprises: the alarm assembly is electrically connected with the proximity switch and used for providing a warning signal, and the proximity switch controls the starting and stopping of the alarm assembly according to the comparison result of the displacement signal and the preset signal.
In addition, preferably, the warning subassembly includes the casing and sets up power and alarm unit in the casing, the casing with belt conveyor connects, the power be used for to the alarm unit power supply, alarm unit is used for exporting warning signal, warning signal includes sound signal or/and light signal.
The utility model also provides a belt conveyor, belt conveyor includes the anti-tear device as above-mentioned.
From the foregoing, it can be seen that the utility model provides an anti-tear device and belt conveyor, compared with the prior art, has following advantage: when the conveying belt is longitudinally torn or transversely torn or inserted with foreign matters and the like, the traction rope is vibrated by the conveying belt to trigger the baffle to act, the sensing piece can quickly monitor the displacement signal of the baffle, and once the foreign matters are inserted or torn, the quick switch responds in time and judges whether to stop rapidly or not, so that the conveying belt is prevented from being further damaged, the economic loss can be reduced to the maximum extent, the traction rope is in direct contact with the conveying belt, and the sensitivity is high; the induction sheet and the proximity switch are mutually matched, so that the reliability is good; the operator only needs to reset the anti-tearing device after the conveyor belt is repaired, and the operation is simple; and the manufacturing cost is low, and the maintenance is convenient.
Drawings
The above features and technical advantages of the present invention will become more apparent and readily appreciated from the following description of the embodiments thereof, taken in conjunction with the accompanying drawings.
Fig. 1 is a schematic view of a tear preventing device used in an embodiment of the present invention.
FIG. 2 is a partial side view of the tear resistant arrangement shown in FIG. 1.
Wherein the reference numbers:
1: a trip conveyor belt; 2: a support frame 3: a return conveyer belt;
4: supporting legs; 5: a discharge hopper;
10: a hauling rope; 20: a baffle plate; 21: a first sensing piece; 22: a second sensing piece;
23: a first proximity switch; 24: a second proximity switch; 30: a rotating shaft;
40: a first inspection assembly; 41: a first drive lever; 42: a first detection wheel;
50: a second inspection assembly; 51: a second transmission rod; 52: and a second detection wheel.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings. The terms "inner" and "outer" are used to refer to directions toward and away from, respectively, the geometric center of a particular component.
Fig. 1 is a schematic view of a tear preventing device used in an embodiment of the present invention. As shown in fig. 1, the tear preventing means includes: the pull rope 10, the baffle 20, at least one sensing piece and at least one proximity switch.
The traction rope 10 extends along the width direction of the forward-moving conveying belt 1 of the belt conveyor and is arranged between the forward-moving conveying belt 1 and the support frame 2 for supporting the forward-moving conveying belt 1 in a penetrating manner, and two ends of the traction rope 10 extend towards one side of the return-moving conveying belt 3 of the belt conveyor;
the baffle 20 is arranged between the two support legs 4 for supporting the support frame 2, the baffle 20 is hung on the traction rope 10, and gaps are formed between the baffle 20 and the return conveyer belt 3 and between the baffle 20 and the support legs 4;
the at least one sensing piece is arranged on the baffle 20 and is used for monitoring and sending a displacement signal of the baffle 20;
the induction sheet and the proximity switch are arranged oppositely, the proximity switch is used for receiving a displacement signal, comparing the displacement signal with a preset signal, and controlling the starting and stopping of the belt conveyor according to a comparison result.
After the traction rope 10 is arranged between the forward-stroke conveyer belt 1 and the support frame 2 in a penetrating mode, the baffle 20 is hung on the traction rope 10, the baffle 20 is arranged between the forward-stroke conveyer belt 1 and the return-stroke conveyer belt 3, and the induction sheet and the proximity switch are arranged oppositely; the pulling rope 10 is kept in a tensioned state, and meanwhile, the baffle 20 is kept in a vertical state; a gap is formed between the baffle 20 and the return conveyer belt 3, so that the baffle and the return conveyer belt are prevented from rubbing with each other to generate abrasion; gaps exist between the baffle 20 and the supporting legs 4, so that the baffle 20 can move freely between the supporting legs 4, and displacement signals are monitored conveniently. When the discharge hopper 5 (as shown in fig. 2) discharges materials onto the journey-going conveyer belt 1 of the belt conveyor, once the journey-going conveyer belt 1 is penetrated by foreign matters but no material leaks, or the journey-going conveyer belt 1 is pulled to tear and have material leakage, at this time, the foreign matters or the leaked materials drive the journey-going conveyer belt 1 to move, the journey-going conveyer belt 1 pulls the haulage rope 10, the haulage rope 10 drives the baffle 20 to move, the baffle 20 drives the sensing piece to move, meanwhile, the sensing piece monitors the displacement signal of the baffle 20 and sends the displacement signal to the proximity switch, the proximity switch compares the received displacement signal with a preset signal, and if the displacement signal enters the range of the preset signal, the proximity switch controls the belt conveyor to stop; on the contrary, if the displacement signal is not within the range of the preset signal, the proximity switch does not act, and the belt conveyor keeps continuously running. After the haulage rope received vibrations, the baffle action is triggered, and the displacement signal of baffle can be monitored fast to the response piece, in case take place the foreign matter and insert or tear, quick switch in time responds to judge whether to shut down fast, avoid the conveyer belt to be further destroyed, but furthest's reduction economic loss, sensitivity is high, good reliability, easy operation, and is with low costs, convenient maintenance.
Preferably, the support frame 2 comprises a base plate for connecting with the support legs and a plurality of support rods distributed at intervals along the length direction of the base plate, and each support rod is provided with a through hole for penetrating the traction rope 10 at one end for supporting the outgoing distance conveyor belt 1. The through holes are formed in the supporting rods, so that the assembly difficulty of the traction rope 10 can be reduced, meanwhile, the traction rope 10 can conveniently receive vibration transmitted by the trip conveying belt 1 in time, and the sensitivity is improved.
In this embodiment, be provided with 5 equidistant distribution's bracing piece on the base plate, a plurality of bracing pieces are the symmetric distribution along the central line of the bracing piece in middle part, and the holding height of bracing piece is from middle part to both ends and is increasing gradually to it is the cell type setting to support the journey conveyer belt. The top of every bracing piece all is provided with the through-hole, and the aperture of through-hole is greater than the diameter of haulage rope 10, reduces the degree of difficulty of wearing to establish of haulage rope 10.
Preferably, both ends of the pulling rope 10 are provided with a rope buckle (not marked), and the baffle 20 is provided with a hook (not marked) at a position opposite to the rope buckle, and the hook can be hooked on the rope buckle. Rope fastening and couple cooperation for baffle 20 hangs on haulage rope 10, when haulage rope 10 received external force, can in time transmit load for baffle 20, and the timely response improves sensitivity.
In this embodiment, the distances between the two ends of the pulling rope 10 and the return conveyor belt 3 are equal; the baffle 20 is a straight strip-shaped plate, when the baffle 20 is hung on the traction rope 10, the distances between the bottom surface of the baffle 20 and the return conveyer belt 3 are equal.
Preferably, the pull cord 10 is made of a metallic material. The strength can be improved by adopting metal materials (such as steel wire ropes), and misoperation can be avoided; and meanwhile, the flexibility is kept, and the load can be effectively transmitted.
FIG. 2 is a partial side view of the tear resistant arrangement shown in FIG. 1. As shown in fig. 2, the tear preventing means further comprises: a rotating shaft 30 and at least one set of detecting components.
Preferably, the tear preventing means further comprises: the rotating shaft 30 is erected between the two supporting legs 4 and is connected with the baffle 20; the detection assembly comprises a connecting rod and a detection wheel which is rotatably connected with the connecting rod, the connecting rod is rotatably connected with the rotating shaft 30, and the detection wheel can reciprocate along the return conveying 3 belt. The return conveyer belt 3 is torn by the coal sweeper and then directly falls into the coal bunker, at the moment, due to the loss of the return conveyer belt, the detection assembly falls off from the return conveyer belt 3 due to the loss of weight, so that the rotating shaft 30 is driven to drive the baffle 20 to move, the baffle 20 drives the sensing piece to move, meanwhile, the sensing piece monitors the displacement signal of the baffle 20 and sends the displacement signal to the proximity switch, the proximity switch compares the received displacement signal with a preset signal, and if the displacement signal enters the range of the preset signal, the proximity switch controls the belt conveyor to stop; on the contrary, if the displacement signal is not within the range of the preset signal, the proximity switch does not act, and the belt conveyor keeps continuously running.
The number of the detection members is two or more and is distributed at intervals along the width direction of the return conveyor 3 so as to detect even a tear. In this embodiment, the number of the detecting assemblies is two, which are the first detecting assembly 40 and the second detecting assembly 50, the first detecting assembly 40 and the second detecting assembly 50 are symmetrically installed near two ends of the rotating shaft, the first detecting assembly 40 includes a first connecting rod 41 and a first detecting wheel 42 rotatably connected with the first connecting rod 41, and the first connecting rod 41 is rotatably connected with the rotating shaft 30; the second monitoring assembly 50 includes a second link 51 and a second detection wheel 52 rotatably coupled to the second link 51, the second link 51 being rotatably coupled to the shaft 30.
Preferably, the detection wheel is made of rubber materials. The conveyer belt is usually made of rubber materials, and the detection wheel made of the same materials can reduce the friction force between the detection wheel and the return conveyer belt 3 and reduce the operation difficulty of the detection assembly.
Preferably, the number of the sensing pieces is two, the two sensing pieces are respectively arranged on the end faces of the two opposite ends of the baffle 20, and the proximity switch arranged opposite to the sensing pieces is connected on the supporting leg 4. All set up the response piece at the both ends of baffle 20, can detect the displacement signal of baffle 20 simultaneously, improve sensitivity, set up proximity switch and response piece relatively, can ensure that the signal does not receive external disturbance, avoid the maloperation.
In this embodiment, the sensing pieces include a first sensing piece 21 and a second sensing piece 22, and the first sensing piece 21 and the second sensing piece 22 are respectively installed at opposite ends of the baffle 20; the proximity switch comprises a first proximity switch 23 and a second proximity switch 24, the first proximity switch 23 and the second proximity switch 24 are respectively installed on the two support legs 4, the first induction sheet 21 is arranged opposite to the first proximity switch 23, and the second induction sheet 22 is arranged opposite to the second proximity switch 24.
In the use process, when one of the first proximity switch 23 and the second proximity switch 24 receives a displacement signal, the belt conveyor can be controlled to stop working; or when the first proximity switch 23 and the second proximity switch 24 simultaneously receive the displacement signal, the belt conveyor may be controlled to stop working.
Preferably, the tear preventing means further comprises: the alarm assembly is electrically connected with the proximity switch and used for providing a warning signal, and the proximity switch controls the start and stop of the alarm assembly according to the comparison result of the displacement signal and the preset signal. Through setting up the warning subassembly, when tearing the problem or shutting down appear, the warning subassembly can in time send out the warning to near operation personnel, and the staff in time acquires the information of shutting down, makes corresponding measure as early as possible.
In addition, preferably, the alarm assembly comprises a shell, and a power supply and an alarm unit which are arranged in the shell, wherein the shell is connected with the belt conveyor, the power supply is used for supplying power to the alarm unit, the alarm unit is used for outputting alarm signals, and the alarm signals comprise sound signals or/and light signals. The alarm assembly is arranged on the belt conveyor through the shell, and when the belt conveyor stops, the alarm unit sends out sound or/and light signals so that workers can timely acquire stop information and make corresponding measures as soon as possible, and the belt conveyor can timely recover to operate.
The assembly and use of the tear preventer and belt conveyor is described further below.
After the traction rope 10 is arranged between the forward-stroke conveyer belt 1 and the support frame 2 in a penetrating mode, two ends of the traction rope 10 extend to one side of the return-stroke conveyer belt 3; respectively installing a first sensing piece 21 and a second sensing piece 22 at two opposite ends of the baffle 20; the baffle 20 is hooked on a rope buckle of the traction rope 10 through a hook, the baffle 20 is arranged between the forward-stroke conveying belt 1 and the return-stroke conveying belt 3, the traction rope 10 keeps a tensioning state, and meanwhile, the baffle 20 is kept in a vertical state; a first proximity switch 23 and a second proximity switch 24 are respectively arranged on the two support legs 4, a first induction sheet 21 is arranged opposite to the first proximity switch 23, and a second induction sheet 22 is arranged opposite to the second proximity switch 24; a gap is formed between the baffle 20 and the return conveyer belt 3, so that the baffle and the return conveyer belt are prevented from rubbing with each other to generate abrasion; gaps are reserved between the baffle 20 and the two support legs 4, so that the baffle 20 can move freely between the two support legs 4, and displacement signals can be monitored conveniently by the first sensing sheet 21 and the second sensing sheet 22; the rotating shaft 30 is erected on the two supporting legs 4, the first monitoring assembly 40 and the second monitoring assembly 50 are symmetrically installed near two ends of the rotating shaft, taking the first detecting assembly 40 as an example, one end of the first transmission rod 41 is rotatably connected with the rotating shaft 30, the other end of the first transmission rod 41 is rotatably connected with the first detecting wheel 42, and the first detecting wheel 42 is abutted on the return conveying belt 3.
When the discharge hopper 5 (shown in fig. 2) discharges onto the forward belt 1 of the belt conveyor, once the forward belt 1 is penetrated by foreign matter but no material leaks, or the outgoing distance conveyer belt 1 is pulled to tear and leak materials, at the moment, foreign matters or leaked materials drive the outgoing distance conveyer belt 1 to move, the outgoing distance conveyer belt 1 pulls the hauling rope 10, the hauling rope 10 drives the baffle plate 20 to move, the baffle plate 20 drives the first sensing piece 21 and/or the second sensing piece 22 to move, simultaneously, the first sensing piece 21 and/or the second sensing piece 22 monitors the displacement signal of the baffle plate 20 and sends the displacement signal to the proximity switch, the first proximity switch 23 and/or the second proximity switch 24 compares the received displacement signal with a preset signal, if the displacement signal enters the range of the preset signal, the first proximity switch 23 and/or the second proximity switch 24 controls the belt conveyor to stop; meanwhile, the alarm assembly is started, and the alarm unit outputs warning signals such as light or sound. On the contrary, if the displacement signal is not within the preset signal range, the first proximity switch 23 and the second proximity switch 24 are not actuated, and the belt conveyor keeps continuously running; simultaneously, the alarm assembly is turned off.
The anti-tearing device is arranged at a position which is 10 meters away from the machine head, so that the adhesive tape tearing accident caused by the fact that the joint is damaged and passes through the coal sweeper of the machine head can be prevented. For example, the return conveyor belt is torn by the coal sweeper and then directly falls into the coal bunker, at this time, due to the loss of the return conveyor belt, the first detection assembly 40 and the second detection assembly 50 fall off the return conveyor belt due to weight loss, so that the rotating shaft 30 is dragged to drive the baffle 20 to move, the baffle 20 drives the first sensing piece 21 and/or the second sensing piece 22 to move, the first sensing piece 21 and/or the second sensing piece 22 monitor the displacement signal of the baffle 20 and send the displacement signal to the proximity switch, the first proximity switch 23 and/or the second proximity switch 24 compare the received displacement signal with a preset signal, and if the displacement signal enters the range of the preset signal, the first proximity switch 23 and/or the second proximity switch 24 controls the belt conveyor to stop; meanwhile, the alarm assembly is started, and the alarm unit outputs warning signals such as light or sound. On the contrary, if the displacement signal is not within the preset signal range, the first proximity switch 23 and the second proximity switch 24 are not actuated, and the belt conveyor keeps continuously running; simultaneously, the alarm assembly is turned off.
The utility model also provides a belt conveyor, belt conveyor includes the anti-tear device as above-mentioned. The anti-tear device of installation on the belt conveyor, the haulage rope receives vibrations back, triggers the baffle action, and the displacement signal of baffle can be monitored fast to the response piece, in case take place the foreign matter and insert or tear, quick switch in time responds to judge whether shut down fast, avoid the conveyer belt to be further destroyed, but furthest's reduction economic loss, sensitivity is high, good reliability, easy operation, with low costs, convenient maintenance.
As can be seen from the above description and practice, the present invention provides a tear preventing device and a belt conveyor, which have the following advantages compared with the prior art: when the conveying belt is longitudinally torn or transversely torn or inserted with foreign matters and the like, the traction rope is vibrated by the conveying belt to trigger the baffle to act, the sensing piece can quickly monitor the displacement signal of the baffle, and once the foreign matters are inserted or torn, the quick switch responds in time and judges whether to stop rapidly or not, so that the conveying belt is prevented from being further damaged, the economic loss can be reduced to the maximum extent, the traction rope is in direct contact with the conveying belt, and the sensitivity is high; the induction sheet and the proximity switch are mutually matched, so that the reliability is good; the operator only needs to reset the anti-tearing device after the conveyor belt is repaired, and the operation is simple; and the manufacturing cost is low, and the maintenance is convenient.
Those of ordinary skill in the art will understand that: the above description is only for the specific embodiments of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A tear resistant device, comprising:
the traction rope extends along the width direction of a forward-moving conveying belt of the belt conveyor, penetrates between the forward-moving conveying belt and a support frame for supporting the forward-moving conveying belt, and two ends of the traction rope extend towards one side of a return-moving conveying belt of the belt conveyor;
the baffle is arranged between two supporting legs for supporting the supporting frame, is hung on the traction rope and has gaps with the return conveyer belt and the supporting legs;
the sensing piece is arranged on the baffle and used for monitoring and sending a displacement signal of the baffle;
the induction sheet and the proximity switch are arranged oppositely, and the proximity switch is used for receiving the displacement signal, comparing the displacement signal with a preset signal and controlling the start and stop of the belt conveyor according to a comparison result.
2. The tear resistant device of claim 1,
the support frame including be used for with the base plate that the supporting leg is connected and a plurality of along the length direction interval distribution's of base plate bracing piece, every the bracing piece is used for supporting go to be provided with on one of journey conveyer belt and be used for wearing to establish the through-hole of haulage rope.
3. The tear resistant arrangement of claim 1 or 2,
both ends of the traction rope are provided with rope buckles, hooks are arranged at the positions, opposite to the rope buckles, of the baffle, and the hooks can be hooked on the rope buckles.
4. The tear resistant arrangement of claim 1 or 2,
the traction rope is made of metal materials.
5. The tear resistant arrangement of claim 1 or 2,
the tear preventing device further comprises: the rotating shaft is erected between the two supporting legs and is connected with the baffle; the detection assembly comprises a connecting rod and a detection wheel which is rotatably connected with the connecting rod, the connecting rod is rotatably connected with the rotating shaft, and the detection wheel can reciprocate along the return conveying belt.
6. The tear resistant arrangement of claim 5,
the detection wheel is made of rubber materials.
7. The tear resistant arrangement of claim 1 or 2,
the quantity of response piece is two, two the response piece sets up respectively on the terminal surface at the relative both ends of baffle, with the response piece sets up relatively proximity switch connects on the supporting leg.
8. The tear resistant arrangement of claim 1 or 2,
the tear preventing device further comprises: the alarm assembly is electrically connected with the proximity switch and used for providing a warning signal, and the proximity switch controls the starting and stopping of the alarm assembly according to the comparison result of the displacement signal and the preset signal.
9. The tear resistant arrangement of claim 8,
the alarm assembly comprises a shell, a power supply and an alarm unit, wherein the power supply and the alarm unit are arranged in the shell, the shell is connected with the belt conveyor, the power supply is used for supplying power to the alarm unit, the alarm unit is used for outputting the alarm signal, and the alarm signal comprises a sound signal or/and a light signal.
10. A belt conveyor, characterized in that it comprises a tear-preventing device as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920893809.XU CN210619382U (en) | 2019-06-13 | 2019-06-13 | Anti-tearing device and belt conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920893809.XU CN210619382U (en) | 2019-06-13 | 2019-06-13 | Anti-tearing device and belt conveyor |
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| Publication Number | Publication Date |
|---|---|
| CN210619382U true CN210619382U (en) | 2020-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920893809.XU Active CN210619382U (en) | 2019-06-13 | 2019-06-13 | Anti-tearing device and belt conveyor |
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| CN (1) | CN210619382U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112850011A (en) * | 2021-02-19 | 2021-05-28 | 华能(广东)能源开发有限公司海门电厂 | Prevent disconnected area and tear protection device |
-
2019
- 2019-06-13 CN CN201920893809.XU patent/CN210619382U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112850011A (en) * | 2021-02-19 | 2021-05-28 | 华能(广东)能源开发有限公司海门电厂 | Prevent disconnected area and tear protection device |
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