CN213864137U - Chain breakage protection device of walking wheel type scraper conveyor - Google Patents
Chain breakage protection device of walking wheel type scraper conveyor Download PDFInfo
- Publication number
- CN213864137U CN213864137U CN202022227066.8U CN202022227066U CN213864137U CN 213864137 U CN213864137 U CN 213864137U CN 202022227066 U CN202022227066 U CN 202022227066U CN 213864137 U CN213864137 U CN 213864137U
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- Prior art keywords
- scraper conveyor
- wheel
- elastic component
- chain
- switch
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- Expired - Fee Related
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- 238000003825 pressing Methods 0.000 claims abstract description 45
- 238000001125 extrusion Methods 0.000 claims abstract description 4
- 239000002184 metal Substances 0.000 abstract description 6
- 230000006872 improvement Effects 0.000 abstract description 3
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The utility model provides a walking wheel type scraper conveyor's broken chain protection device, include: the device comprises a fixed frame body, an elastic component, a traveling wheel and a touch switch, wherein the fixed frame body is fixed on the side part of a groove body of the scraper conveyor; the top end of the elastic component is connected with the fixed frame body, and the bottom end of the elastic component is connected with the fixed end of the wheel shaft of the walking wheel; the wheel body of the walking wheel is pressed on the chain of the scraper conveyor by the extrusion of the elastic component; the elastic component is provided with a switch pressing plate, and the touch switch is fixed on the fixed frame body, vertically corresponds to the switch pressing plate and has a preset interval with the switch pressing plate. The utility model provides a scraper conveyor's chain because of the tired unreliable problem of broken chain protection device that leads to of metal, very big improvement scraper conveyor's the degree of accuracy of chain fracture monitoring protection.
Description
Technical Field
The utility model relates to a scraper conveyor equipment field, in particular to walking wheel formula scraper conveyor's broken chain protection device.
Background
Chains of scraper conveyors sometimes break suddenly due to metal fatigue caused by wear, impact, high tensile elongation. When the chain is broken, the broken spacing distance of the chain can be continuously increased along with the operation of the scraper conveyor, the larger the spacing between broken chains is, and the larger the workload and the consumed working hours of chain connection afterwards are; if the chain is coiled into the lower part of the scraper, the difficulty and the labor amount of chain connection are more huge. At present, a proximity switch is arranged on a chain wheel shaft of a scraper conveyor due to chain breakage caused by metal fatigue, and the rotation speed of the chain wheel is sensed by the proximity switch to judge whether the scraper conveyor runs normally. However, in the actual production process, the phenomenon that the production is affected due to the fact that a scraper conveyor is stopped by mistake because of unreliable proximity switch signals and insensitive fault induction due to unreliable proximity switch signals caused by interference factors such as coal blocks mixed in a chain or coal slime adhered to a proximity switch inductor often occurs.
SUMMERY OF THE UTILITY MODEL
For solving among the prior art scraper conveyor because the unreliable problem of chain rupture protection device of metal fatigue production, the utility model provides a running wheel formula scraper conveyor's chain rupture protection device.
The technical scheme of the utility model is realized like this:
a chain breakage protection device of a walking wheel type scraper conveyor comprises: the device comprises a fixed frame body, an elastic component, a traveling wheel and a touch switch, wherein the fixed frame body is fixed on the side part of a groove body of the scraper conveyor; the top end of the elastic component is connected with the fixed frame body, and the bottom end of the elastic component is connected with the fixed end of the wheel shaft of the walking wheel; the wheel body of the walking wheel is pressed on the chain of the scraper conveyor by the extrusion of the elastic component; the elastic component is provided with a switch pressing plate, and the touch switch is fixed on the fixed frame body, vertically corresponds to the switch pressing plate and has a preset interval with the switch pressing plate.
Preferably, the distance between the switch pressing plate and the upper and lower parts of the touch switch is less than or equal to the action distance of the elastic component.
Preferably, the elastic component comprises a sleeve, a pressing sheet, a pressing shaft, a spring and a connecting rod, the pressing sheet is positioned in the sleeve, and the pressing shaft is fixed at the top of the pressing sheet and extends out of the sleeve; the bottom end of the pressing sheet is connected with the bottom end of the sleeve through a spring; the connecting rod is fixed at the bottom end of the sleeve; the top of the pressing shaft is connected with the fixed frame body.
Preferably, the switch pressing plate is disposed on the pressing shaft.
Preferably, the wheel body of the traveling wheel is a rubber wheel body.
The utility model has the advantages that: the utility model discloses a running wheel formula scraper conveyor's broken chain protection device, the wheel body of walking wheel compresses tightly on scraper conveyor's chain under elasticity component's effect, rotate along with the removal of chain, lead to the broken chain because of metal fatigue when the chain, the breach of broken chain removes to walking wheel department, the wheel body of walking wheel blocks in the breach department of broken chain under elasticity component's effort, elasticity component drives the switch clamp plate and pushes down in the in-process of downward effect, when the wheel body card of walking wheel is in the breach department of broken chain, the touch switch is pushed down to the switch clamp plate, touch switch starts scraper conveyor's stop switch, scraper conveyor stop motion. The utility model discloses a running wheel formula scraper conveyor's broken chain protection device, very big improvement scraper conveyor's the degree of accuracy of chain fracture monitoring protection, improved broken chain protection device's stability.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural view of the chain breakage protection device of the walking wheel type scraper conveyor of the present invention.
In the figure:
1. a fixed frame body; 2. an elastic component; 3. a traveling wheel; 4. a touch switch; 5. a switch pressing plate; 21. a sleeve; 22. tabletting; 23. pressing the shaft; 24. a spring; 25. a connecting rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example (b): a chain breakage protection device of a running wheel type scraper conveyor shown in fig. 1 includes: the device comprises a fixed frame body 1, an elastic component 2, a traveling wheel 3 and a touch switch 4, wherein the fixed frame body 1 is fixed on the side part of a groove body of the scraper conveyor; the top end of the elastic component 2 is connected with the fixed frame body 1, and the bottom end is connected with the fixed end of the wheel shaft of the walking wheel 3; the wheel body of the traveling wheel 3 is pressed on the chain of the scraper conveyor by the extrusion of the elastic component 2; the elastic component 2 is provided with a switch pressing plate 5, and the touch switch 4 is fixed on the fixed frame body 1, vertically corresponds to the switch pressing plate 5 and has a preset interval with the switch pressing plate 5. The distance between the switch pressing plate and the upper part and the lower part of the touch switch is less than or equal to the action distance of the elastic component. The wheel body of the traveling wheel 3 is a rubber wheel body, so that the abrasion to the chain is reduced.
The elastic component 2 comprises a sleeve 21, a pressing sheet 22, a pressing shaft 23, a spring 24 and a connecting rod 25, wherein the pressing sheet 22 is positioned in the sleeve 21, and the pressing shaft 23 is fixed at the top of the pressing sheet 33 and extends out of the sleeve 21; the bottom end of the pressing sheet 22 is connected with the bottom end of the sleeve 21 through a spring 24; the connecting rod 25 is fixed at the bottom end of the sleeve 21; the top of the pressing shaft is connected with the fixed frame body 1. The switch pressing plate is arranged on the pressing shaft, so that the interval between the switch pressing plate and the touch switch can be conveniently controlled.
The working process is as follows: the wheel body of walking wheel rotates along with the removal of chain, leads to the broken chain because of metal fatigue when the chain, and the breach of broken chain removes to walking wheel department, and the wheel body of walking wheel blocks in the breach department of broken chain under the effort of elasticity subassembly, and the elasticity subassembly drives the switch clamp plate and pushes down in the in-process of downward effect, and when the wheel body card of walking wheel was in the breach department of broken chain, the switch clamp plate pushed down touch switch, and touch switch starts scraper conveyor's stop switch, scraper conveyor stop motion. The utility model discloses a running wheel formula scraper conveyor's broken chain protection device can a plurality of uses simultaneously, increases the efficiency and the speed of broken chain monitoring.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A broken chain protection device of a walking wheel type scraper conveyor is characterized by comprising: the device comprises a fixed frame body, an elastic component, a traveling wheel and a touch switch, wherein the fixed frame body is fixed on the side part of a groove body of the scraper conveyor; the top end of the elastic component is connected with the fixed frame body, and the bottom end of the elastic component is connected with the fixed end of the wheel shaft of the walking wheel; the wheel body of the walking wheel is pressed on the chain of the scraper conveyor by the extrusion of the elastic component; the elastic component is provided with a switch pressing plate, and the touch switch is fixed on the fixed frame body, vertically corresponds to the switch pressing plate and has a preset interval with the switch pressing plate.
2. The device for protecting the chain breakage of a walking wheel type scraper conveyor according to claim 1, wherein the distance between the switch pressing plate and the upper and lower portions of the touch switch is less than or equal to the acting distance of the elastic component.
3. The chain breakage protection device of the walking wheel type scraper conveyor as claimed in claim 1, wherein the elastic component comprises a sleeve, a pressing sheet, a pressing shaft, a spring and a connecting rod, the pressing sheet is located in the sleeve, and the pressing shaft is fixed at the top of the pressing sheet and extends out of the sleeve; the bottom end of the pressing sheet is connected with the bottom end of the sleeve through a spring; the connecting rod is fixed at the bottom end of the sleeve; the top of the pressing shaft is connected with the fixed frame body.
4. The device for protecting against chain breakage of a running wheel scraper conveyor according to claim 3, wherein the switch pressing plate is provided on the pressing shaft.
5. The device for protecting a chain breakage of a running wheel type scraper conveyor according to claim 3, wherein the wheel body of the running wheel is a rubber wheel body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022227066.8U CN213864137U (en) | 2020-10-09 | 2020-10-09 | Chain breakage protection device of walking wheel type scraper conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022227066.8U CN213864137U (en) | 2020-10-09 | 2020-10-09 | Chain breakage protection device of walking wheel type scraper conveyor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213864137U true CN213864137U (en) | 2021-08-03 |
Family
ID=77070765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022227066.8U Expired - Fee Related CN213864137U (en) | 2020-10-09 | 2020-10-09 | Chain breakage protection device of walking wheel type scraper conveyor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213864137U (en) |
-
2020
- 2020-10-09 CN CN202022227066.8U patent/CN213864137U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210803 |
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| CF01 | Termination of patent right due to non-payment of annual fee |