CN220906265U - Jump chain detection device and scraper conveyor - Google Patents
Jump chain detection device and scraper conveyor Download PDFInfo
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- CN220906265U CN220906265U CN202322863751.3U CN202322863751U CN220906265U CN 220906265 U CN220906265 U CN 220906265U CN 202322863751 U CN202322863751 U CN 202322863751U CN 220906265 U CN220906265 U CN 220906265U
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- 238000001514 detection method Methods 0.000 title claims abstract description 108
- 239000002184 metal Substances 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000012546 transfer Methods 0.000 claims description 4
- 239000000523 sample Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 description 5
- 239000003245 coal Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009191 jumping Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010516 chain-walking reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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Abstract
The present disclosure relates to a jump chain detection device and scraper conveyor, this jump chain detection device is used for scraper conveyor, includes: the detection device comprises a detection piece, a rotating shaft, a detection piece and a sensor, wherein the rotating shaft is used for being rotatably arranged on a box body of the scraper conveyor, the first end of the rotating shaft is connected with the detection piece, the second end of the rotating shaft is connected with the detection piece, the detection piece is used for being arranged on the outer side of a chain of the scraper conveyor, and the sensor is arranged below the detection piece, so that when the chain of the scraper conveyor jumps, the detection piece is contacted with the chain, and the detection piece is driven to rotate and is identified by the sensor. Therefore, the chain jump detection device can detect the running condition of the chain in real time and timely find out the chain jump to avoid the expansion of accidents.
Description
Technical Field
The disclosure relates to the technical field of coal transportation, in particular to a chain jump detection device and a scraper conveyor.
Background
Compared with the conventional conveyor belt conveyor, the scraper conveyor mainly has the defects of large noise, easy excessive crushing of lump coal in the production process, serious equipment abrasion, large maintenance workload and incapability of too large conveying distance, but has the advantages of flexible feeding, multi-point discharging, good sealing performance, small dust, large conveying angle, difficult coal scattering and flexible switching of forward and reverse rotation, and is particularly suitable for the conveying environment requiring multi-point discharging and coal blending.
In the related art, the main structural components of the scraper conveyer are a driving system, a driven wheel, a chain, a bottom plate, a box body, an upper slideway, a lower slideway, a chain divider, a tongue plate and the like, the driving system drives a head pulley to rotate, the head pulley drives the chain to rotate, the scraper is driven to move, materials falling into the bottom plate are conveyed to a discharge port to be discharged, in order to form a closed loop, a tail pulley is arranged at the tail of the scraper conveyer, the chain and the head pulley are in mutual extrusion and relative friction from contact to finally leave, so that the head pulley and the chain are always worn, after the wear exceeds a certain limit, the chain jump condition can occur, the head pulley can not clamp the chain in the running process, the head pulley rotates the chain and does not rotate, the scraper is inclined, and the whole scraper conveyer is seriously damaged, and the accidents comprise the breaking of the scraper, the overload of equipment and the like are caused. The existing chain monitoring mode mainly comprises the steps of manually observing whether the chain is overlong or not through an observation port during operation or manually detecting the abrasion condition of the chain and the head wheel after the vehicle is stopped.
The method mainly prevents the problem that the chain and the head pulley cannot be found in time due to chain jump in the operation process of the scraper conveyor, which is not real-time detection, and the accident is enlarged.
Disclosure of utility model
The purpose of the present disclosure is to provide a chain jump detection device and a scraper conveyor, where the chain jump detection device can detect the running condition of a chain in real time, and find the chain jump in time to avoid the expansion of accidents, so as to at least solve some problems in the related art.
To achieve the above object, an aspect of the present disclosure provides a jump chain detection apparatus for a scraper conveyor, including: the detection device comprises a detection piece, a rotating shaft, a detection piece and a sensor, wherein the rotating shaft is used for being rotatably arranged on a box body of the scraper conveyor, the first end of the rotating shaft is connected with the detection piece, the second end of the rotating shaft is connected with the detection piece, the detection piece is used for being arranged on the outer side of a chain of the scraper conveyor, and the sensor is arranged below the detection piece, so that when the chain of the scraper conveyor jumps, the detection piece is contacted with the chain, and the detection piece is driven to rotate and is identified by the sensor.
Optionally, the detecting member is an arc-shaped rubber member, and an arc-shaped opening of the arc-shaped rubber member faces a chain of the scraper conveyor.
Optionally, the detection piece includes from bottom to top work segment and the transfer section that sets gradually, the top of transfer section with rotation axis fixed connection, the work segment be used for when the chain of scraper conveyor takes place to jump the chain time with the chain contact so that the detection piece removes and drives the rotation axis rotates.
Optionally, the detecting element further comprises a feeding section, wherein the feeding section is connected with the lower end of the working section, and the feeding section is used for contacting with a chain of the scraper conveyor when the chain is separated from the chain wheel so as to limit the chain.
Optionally, the jump chain detection device further comprises a limiting piece, wherein the limiting piece is arranged below the rotating shaft and is abutted with the transfer section so that a gap exists between the detection piece and a chain of the scraper conveyor.
Optionally, the jump chain detection device further comprises a shaft sleeve, wherein the shaft sleeve is used for being installed on a box body of the scraper conveyor, and an inner hole of the shaft sleeve is rotatably connected with the rotating shaft.
Optionally, the jump chain detection device further comprises a bracket for mounting the sensor, wherein the bracket is used for being mounted on the outer side wall of the box body of the scraper conveyor.
Optionally, the detecting member is a metal sheet, and the sensor is configured as a limit switch or a metal detection sensor.
Optionally, the jump chain detection device further comprises a controller, and the controller is in communication connection with the sensor; and/or the jump chain detection device further comprises an alarm, and the alarm is in communication connection with the sensor.
The second aspect of the disclosure provides a scraper conveyor, which comprises a box body, a chain, a sprocket and the chain jumping detection device, wherein the sprocket is arranged in the box body and is used for being connected with the chain, and the chain jumping detection device is used for detecting the chain jumping at the sprocket.
Through above-mentioned technical scheme, namely this disclosure provides a jump chain detection device, this jump chain detection device is through the outside with the chain that surveys the piece setting at the scraper conveyor, pass the box of scraper conveyor and first end and be connected with surveying the piece through the rotation axis simultaneously, second end and detection piece fixed connection, thereby when the chain takes place to jump the chain, the chain that jumps out contacts with surveying the piece and promotes to survey the piece and remove so that the rotation axis rotates, thereby drive the detection piece and remove to the detection region of sensor, thereby can real-time supervision scraper conveyor's chain running state, in time discover the chain jump chain unusual, avoid the accident to enlarge.
Additional features and advantages of the present disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings are included to provide a further understanding of the disclosure, and are incorporated in and constitute a part of this specification, illustrate the disclosure and together with the description serve to explain, but do not limit the disclosure. In the drawings:
FIG. 1 is a schematic view of the internal structure of a stationary state of a scraper conveyor chain jump detection device provided in an exemplary embodiment of the present disclosure;
Fig. 2 is a schematic view of an internal structure of a detection state of a chain jump detection device of a scraper conveyor provided in an exemplary embodiment of the present disclosure;
FIG. 3 is a schematic elevational view of the chain portion of FIG. 1, not including the chain portion;
FIG. 4 is a schematic left-hand view of the structure of FIG. 1 not including a chain portion;
FIG. 5 is a schematic top view of the chain portion of FIG. 1;
FIG. 6 is a schematic elevational view of the chain portion of FIG. 2, not including the chain portion;
FIG. 7 is a schematic view of the left-hand structure of FIG. 2 without the chain portion;
fig. 8 is a schematic top view of the chain portion of fig. 2 not including the chain portion.
Description of the reference numerals
1-A box body; 2-a chain; 3-sprocket; 4-teeth; 5-detecting part; 51-a feeding section; 52-working section; 53-pass; 6-limiting pieces; 7-rotating shaft; 8-shaft sleeve; 9-a bracket; 10-a sensor; 11-detecting member.
Detailed Description
Specific embodiments of the present disclosure are described in detail below with reference to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the disclosure, are not intended to limit the disclosure.
In the present disclosure, unless otherwise indicated, terms such as "upper, lower, left, and right" are generally defined with reference to the usage states of the components, and specifically may refer to the directions of the drawing plane shown in fig. 1, and "inner and outer" refer to the own contours of the corresponding components, and furthermore, the terms "first", "second", etc. are used in the present disclosure to distinguish one element from another element, without having order or importance. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated.
In the related art, the main structural components of the scraper conveyer are a driving system, a driven wheel, a chain, a bottom plate, a box body, an upper slideway, a lower slideway, a chain divider, a tongue plate and the like, the driving system drives a head pulley to rotate, the head pulley drives the chain to rotate, the scraper is driven to move, materials falling into the bottom plate are conveyed to a discharge port to be discharged, in order to form a closed loop, a tail pulley is arranged at the tail of the scraper conveyer, the chain and the head pulley are in mutual extrusion and relative friction from contact to finally leave, so that the head pulley and the chain are always worn, after the wear exceeds a certain limit, the chain jump condition can occur, the head pulley can not clamp the chain in the running process, the head pulley rotates the chain and does not rotate, the scraper is inclined, and the whole scraper conveyer is seriously damaged, and the accidents comprise the breaking of the scraper, the overload of equipment and the like are caused. However, the state of the chain is observed at the observation port manually when the existing chain needs to run, or the chain is inspected after the vehicle is stopped, and the working state of the chain cannot be monitored in real time in the above manner, so that the chain jump cannot be found in time.
In view of this, as shown in fig. 1 to 8, the present disclosure provides, in one aspect, a jump chain detection apparatus for a scraper conveyor, including: the detection part 5, the rotation shaft 7, the detection part 11 and the sensor 10, wherein the rotation shaft 7 is used for being rotatably arranged on the box body 1 of the scraper conveyor, the first end of the rotation shaft 7 is connected with the detection part 5, the second end of the rotation shaft 7 is fixedly connected with the detection part 11, the detection part 5 is arranged on the outer side of the chain 2 of the scraper conveyor, and the sensor 10 is arranged below the detection part 11, so that when the chain 2 of the scraper conveyor jumps, the detection part 5 is contacted with the chain 2, and the detection part 11 is driven to rotate and is identified by the sensor 10.
Through above-mentioned technical scheme, namely this disclosure provides a jump chain detection device, this jump chain detection device is through setting up the outside at the chain 2 of scraper conveyor with detecting element 5, pass the box 1 of scraper conveyor and the first end of rotation axis 7 is connected with detecting element 5 through rotation axis 7 simultaneously, the second end is connected with detecting element 11, thereby when chain 2 takes place to jump the chain, the chain 2 that jumps out contacts with detecting element 5 and promotes detecting element 5 and remove so that rotation axis 7 rotates, thereby drive detecting element 11 and remove to sensor 10's detection region, thereby can real-time supervision scraper conveyor's chain 2 running state, in time discover the chain jump chain unusual, avoid the accident to enlarge.
In some embodiments, to facilitate the shaping of the probe 5 and the pushing by the chain 2, the probe 5 is an arcuate rubber member with an arcuate opening towards the chain 2 of the scraper conveyor. Specifically, the detecting element 5 may include a working section 52 and a transmitting section 53 which are sequentially arranged from bottom to top, wherein the top of the transmitting section 53 is fixedly connected with the rotating shaft 7, the working section 52 is used for contacting with the chain 2 when the chain 2 of the scraper conveyor jumps so that the detecting element 5 moves integrally, and the transmitting section 53 drives the rotating shaft 7 to rotate, so that the detecting element 11 can move to an identification area of the sensor 10 to be identified by the sensor 10, and the chain 2 can be quickly found to jump.
In addition, in order to be able to further guide the chain 2 to a limit, in some embodiments, the detecting element 5 further comprises a feeding section 51, the feeding section 51 is connected to the lower end of the working section 52, and the feeding section 51 is used for contacting the chain 2 to limit the chain 2 when the chain 2 of the scraper conveyor is separated from the sprocket 3, so when the bottom chain 2 is separated from the chain 2, the chain 2 can contact the feeding section 51, and thus can be guided along the arc of the feeding section 51, and of course, the feeding section 51 can also enable the chain 2 to be in surface contact with the detecting element 5, so that the detecting element 5 is prevented from being damaged by the point contact between the chain 2 and the end of the detecting element 5.
In some embodiments, in order to make the detecting element 5 not affect the normal operation of the chain 2, the jump chain detecting device further includes a limiting element 6, where the limiting element 6 is disposed below the rotation shaft 7 and abuts against the transmission section 53 so that a gap exists between the detecting element 5 and the chain 2 of the scraper conveyor, and the limiting element 6 may be configured as a metal sheet welded on a side surface of the scraper conveyor box and below the rotation shaft 7 and abuts against the transmission section 53 of the detecting element 5, so that a gap can be formed between the detecting element 5 and the chain 2, and the detecting element 5 is prevented from contacting the chain 2 due to gravity.
In order to facilitate rotation of the rotation shaft 7, in some embodiments, the chain jump detection device further includes a shaft sleeve 8, where the shaft sleeve 8 is used to be installed in the case 1 of the scraper conveyor, and an inner hole of the shaft sleeve 8 is rotationally connected with the rotation shaft 7, so that the rotation shaft 7 can be facilitated to move by pushing the working section 52 by the chain 2 to jump, and the rotation shaft 7 is driven to rotate the detection member 11 to the identification area of the sensor 10, so that the chain 2 can be quickly found to jump. Of course, the cooperation of the rotation shaft 7 and the shaft sleeve 8 passes through the case 1 of the scraper conveyor, and the sensor 10 and the detecting member 11 can also be arranged on one side of the case 1 far away from the chain 2, and the detecting member 5 is arranged on one side of the case 1 near the chain 2, so that the state of the sensor 10 is conveniently observed to find out the occurrence of chain jump of the chain 2.
To facilitate the installation of the sensor 10, in some embodiments, the jump chain detection device further includes a bracket 9 for installing the sensor, where the bracket 9 is used to be installed on the outer side wall of the case 1 of the scraper conveyor, where the bracket 9 may be configured as an L-shaped support plate, where a horizontal plane is fixedly connected to the case 1, and an installation position for installing the sensor 10 is provided on a vertical plane, where the horizontal plane can enable the sensor 10 to be closer to the detection member 11, so that the position of the detection member 11 can be conveniently detected.
In some embodiments, the detecting member 11 may be a metal plate, and the sensor 10 is configured as a limit switch or a metal detection sensor, so that when the detecting member 11 rotates, the detecting member can be timely identified by the sensor 10, so that the jump chain of the chain 2 can be timely found.
It should be understood that the above-mentioned detecting member 11 may be constructed by a sheet metal structure, and in other embodiments, the detecting member 11 may be made of other materials, for example, the detecting member 11 may be a rubber member, and the sensor 10 needs to be constructed as a limit switch.
In order to facilitate control of the chain jump detection device, in some embodiments, the chain jump detection device further includes a controller, where the controller is in communication connection with the sensor 10, the controller may be a PLC controller, a single chip microcomputer, and a control system of the scraper conveyor, the controller may be in communication connection with the sensor 10 in a wired or wireless manner, and the wireless manner may include bluetooth, WIFI, 4G, or 5G, etc., so that when the sensor 10 identifies the detection member 11, the result is timely transmitted to the controller, and the controller may select to stop according to the detection result.
Of course, in order to facilitate reminding the staff that the chain 2 of the scraper conveyor has jumped, in some embodiments, the chain-jumping detection device further includes an alarm, which is in communication connection with the sensor, so that the alarm will be started to alarm when the sensor recognizes the detecting member 11, thereby reminding the staff to process the chain-jumping in time to avoid the expansion of accidents.
The second aspect of the present disclosure provides a scraper conveyor, which includes a case 1, a chain 2, a sprocket 3, and the above-mentioned chain jump detecting device, the sprocket 3 being disposed in the case 1 and being used for connecting the chain 2, the chain jump detecting device being used for detecting a jump of the chain 2 at the sprocket 3. Therefore, when the chain 2 out of the chain wheel 3 jumps, the jump chain detection device can timely find the jump chain, and the expansion of accidents is avoided. It can be appreciated that the scraper conveyor includes all the beneficial effects of the jump chain detection device, and will not be described herein.
In addition, the number of the jump chain detection devices can be two, and the jump chain detection devices are respectively arranged on the two chain wheels for use, so that the detection precision is improved.
When the scraper conveyor is in a normal running state, the chain 2 and the chain wheel 3 are matched properly, the height of the chain 2 beyond the outer side of the edge of the chain wheel 3 is basically stable within a certain range, the detection piece 5 cannot be touched, the detection piece 5 depends on the limiting piece 6 under the action of gravity, at the moment, the detection piece 11 is not driven to rotate by the rotating shaft 7, and the sensor 10 cannot receive signals.
When the chain jump occurs, the chain 2 exceeds the height change outside the edge of the chain wheel 3, the detection piece 5 is pushed to move outwards and rotate, the rotating shaft 7 is driven to rotate, the detection piece 11 at the end part of the rotating shaft 7 is driven to rotate, the sensor 10 sends out a chain jump signal when the detection area of the detection piece rotation value sensor 10 is detected, and therefore the scraper conveyor can be controlled to stop according to the chain jump signal or an alarm is started to alarm to prompt a worker to jump the chain.
The preferred embodiments of the present disclosure have been described in detail above with reference to the accompanying drawings, but the present disclosure is not limited to the specific details of the embodiments described above, and various simple modifications may be made to the technical solutions of the present disclosure within the scope of the technical concept of the present disclosure, and all the simple modifications belong to the protection scope of the present disclosure.
In addition, the specific features described in the foregoing embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, the present disclosure does not further describe various possible combinations.
Moreover, any combination between the various embodiments of the present disclosure is possible as long as it does not depart from the spirit of the present disclosure, which should also be construed as the disclosure of the present disclosure.
Claims (10)
1. A jump chain detection device for a scraper conveyor, comprising:
The detection device comprises a detection piece, a rotating shaft, a detection piece and a sensor, wherein the rotating shaft is used for being rotatably arranged on a box body of the scraper conveyor, the first end of the rotating shaft is connected with the detection piece, the second end of the rotating shaft is connected with the detection piece, the detection piece is used for being arranged on the outer side of a chain of the scraper conveyor, and the sensor is arranged below the detection piece, so that when the chain of the scraper conveyor jumps, the detection piece is contacted with the chain, and the detection piece is driven to rotate and is identified by the sensor.
2. The jump chain detection apparatus of claim 1, wherein the detection member is an arcuate rubber member having an arcuate opening facing a chain of the scraper conveyor.
3. The chain jump detection device according to claim 2, wherein the detection member comprises a working section and a transmission section which are sequentially arranged from bottom to top, the top of the transmission section is fixedly connected with the rotating shaft, and the working section is used for contacting with a chain of the scraper conveyor when the chain jumps so that the detection member moves and drives the rotating shaft to rotate.
4. The jump chain detection apparatus as recited in claim 3 wherein said probe further comprises a feed section connected to a lower end of said work section, said feed section being adapted to contact a chain of a scraper conveyor to stop the chain when the chain is disengaged from the sprocket.
5. The jump chain detection apparatus as recited in claim 3, further comprising a stopper disposed below the rotation shaft and abutting the transfer section such that a gap exists between the detection member and a chain of the scraper conveyor.
6. The chain jump detection apparatus as recited in any one of claims 1-5, further comprising a bushing, wherein the bushing is configured to be mounted to a housing of a scraper conveyor and wherein an inner bore of the bushing is rotatably coupled to the rotating shaft.
7. The chain jump detection apparatus of claim 1, further comprising a bracket for mounting the sensor, the bracket for mounting to an outer side wall of a case of a scraper conveyor.
8. The jump chain detection apparatus of claim 1 wherein the detection member is a metal sheet and the sensor is configured as a limit switch or a metal detection sensor.
9. The chain jump detection apparatus of claim 1, further comprising a controller in communication with the sensor; and/or
The jump chain detection device further comprises an alarm, and the alarm is in communication connection with the sensor.
10. A scraper conveyor, comprising a box, a chain, a sprocket and the chain jump detection device according to any one of claims 1-9, wherein the sprocket is arranged in the box and is used for connecting the chain, and the chain jump detection device is used for detecting the jump of the chain at the sprocket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322863751.3U CN220906265U (en) | 2023-10-24 | 2023-10-24 | Jump chain detection device and scraper conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322863751.3U CN220906265U (en) | 2023-10-24 | 2023-10-24 | Jump chain detection device and scraper conveyor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220906265U true CN220906265U (en) | 2024-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322863751.3U Active CN220906265U (en) | 2023-10-24 | 2023-10-24 | Jump chain detection device and scraper conveyor |
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| CN (1) | CN220906265U (en) |
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2023
- 2023-10-24 CN CN202322863751.3U patent/CN220906265U/en active Active
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