CN214732236U - Chute blocks up switch based on optic fibre deformation - Google Patents
Chute blocks up switch based on optic fibre deformation Download PDFInfo
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- CN214732236U CN214732236U CN202120932931.0U CN202120932931U CN214732236U CN 214732236 U CN214732236 U CN 214732236U CN 202120932931 U CN202120932931 U CN 202120932931U CN 214732236 U CN214732236 U CN 214732236U
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- 239000000835 fiber Substances 0.000 title claims abstract description 25
- 239000013307 optical fiber Substances 0.000 claims abstract description 41
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- 238000007906 compression Methods 0.000 claims description 2
- 230000001960 triggered effect Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 11
- 238000012544 monitoring process Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 7
- 230000035945 sensitivity Effects 0.000 abstract description 6
- 230000000903 blocking effect Effects 0.000 abstract description 4
- 230000035939 shock Effects 0.000 abstract description 3
- 238000013461 design Methods 0.000 description 8
- 238000001514 detection method Methods 0.000 description 7
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000004568 cement Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
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Abstract
The utility model discloses a chute blocking switch based on optic fibre deformation, this switch setting include the casing and set up at the inside switch module of casing at the opening part of chute lateral wall, and this switch module includes atress board, rotation unit, deformation unit, spacing unit and reset unit, deformation unit includes optic fibre deformation sensor, and deformation unit is touched the back, and control system is given in the wavelength change of optic fibre deformation sensor transmission optic fibre. Due to the fact that the switch assembly based on optical fiber deformation is designed, optical fibers are used as transmission media, chute blockage monitoring and positioning of the long-distance belt conveyor and transmission and control of long-distance signals are achieved, the problems that electromagnetic interference and signals are unstable and shock resistance of a traditional chute blockage switch is insufficient are solved, and therefore reliability and sensitivity of monitoring when the chute is blocked in the long-distance transportation process of the belt conveyor are improved.
Description
Technical Field
The utility model belongs to the technical field of belt conveyor windrow monitoring protection and specifically relates to a chute blocking switch based on optic fibre.
Background
The belt conveyor has the advantages of strong conveying capacity, long conveying distance, continuous work, high stability and the like, and is widely applied to production systems of coal mines, metallurgy, ports, cement and the like. When the device is applied on site, a plurality of conveying belts are often lapped for use, and if the blanking chute is blocked in time, a large amount of materials can overflow from the chute, so that potential safety hazards and various faults are caused; and a large amount of materials are scattered, so that the cleaning is very difficult, and the working efficiency of the whole conveying system is seriously influenced. Aiming at the problem of chute blockage and material scattering, a common treatment method comprises the following steps: and installing a chute blockage detection device for real-time monitoring. The existing chute blockage monitoring device generally adopts the principle of a travel switch, has the detection problems of low detection precision, easy electromagnetic interference on detection signal transmission and the like, particularly, the signal attenuation and the interference are more serious in long-distance transmission, the working environment has a large amount of dust and large humidity, and the traditional detection device is difficult to stably work in the environment for a long time. The optical signal in the optical fiber is a very stable signal which can be transmitted in a long distance and is not interfered by an electromagnetic field, and the optical signal has high transmission speed and high sensitivity and is widely applied to daily life of people.
The technical solution of the present invention is made based on the technical problems, technical features and technical effects of the applicant in the technical background.
Disclosure of Invention
The object of the utility model is a chute blocking switch based on optic fibre deformation.
For overcoming the shortcoming of the above-mentioned technique, the utility model aims at providing a chute blocks up switch based on optic fibre deformation, consequently improves belt conveyor and appears reliability and sensitivity that the chute blockked up when long distance transportation.
In order to achieve the purpose, the utility model adopts the technical proposal that: the utility model provides a chute blocks up switch based on optic fibre deformation, this switch setting include the casing and set up the switch module in the casing inside at the opening part of chute lateral wall, and this switch module includes atress board, rotation unit, deformation unit, spacing unit and reset unit, deformation unit includes optic fibre deformation sensor, and the feeler lever can touch optical fibre deformation sensor in the switch module when taking place to block up, and control system is given in the wavelength change of optic fibre deformation sensor transmission optic fibre.
Due to the fact that the switch assembly based on optical fiber deformation is designed, optical fibers are used as transmission media, chute blockage monitoring and positioning of the long-distance belt conveyor and transmission and control of long-distance signals are achieved, the problems that electromagnetic interference and signals are unstable and shock resistance of a traditional chute blockage switch is insufficient are solved, and the requirement for detecting chute blockage of a conveying cluster formed by the multi-belt conveyor can be met. Therefore, the reliability and sensitivity of monitoring when the chute of the belt conveyor is blocked in the long-distance transportation process are improved.
Further, the switch assembly includes: the stress plate is fixed on the side wall of the chute, arranged between the shell and the opening of the side wall of the chute and can deform under the extrusion of materials.
Furthermore, the stress plate is an elastic rubber plate.
Further, the switch assembly further comprises: the deformation unit is arranged on the shell and comprises a support and an optical fiber deformation sensor, the support is mounted on the shell, the optical fiber deformation sensor is mounted on the support, the optical fiber deformation sensor of the deformation unit is touched, and the optical fiber deformation sensor transmits the wavelength change of optical fibers to the control system.
Further, the switch assembly further comprises: the rotation unit, the rotation unit sets up on the casing, and this rotation unit is including connecting the base on the casing, installing the door-hinge on the base, installing the dodge gate on the door-hinge, and the feeler lever of setting on the dodge gate can be changeed to the second position from the primary importance around the door-hinge, and when the dodge gate was located the primary importance, this feeler lever did not touch switch assembly's deformation unit, and when the dodge gate rotated to the second place, the feeler lever touched this switch assembly's deformation unit.
Furthermore, the switch further comprises a limiting unit, wherein the limiting unit is arranged at the lower end inside the shell and used for positioning the second position of the movable door and preventing the optical fiber deformation sensor from being damaged due to overlarge movement displacement of the movable door.
Further, the switch assembly further comprises: the reset unit, one end sets up on the casing, and the other end sets up on the dodge gate, and this reset unit is including installing the primary shaft on the casing, installs the secondary shaft on the dodge gate, and the suit is at the primary shaft and the epaxial spring of secondary, and when the dodge gate received the second position of turning to from the primary position when extrudeing, dodge gate compression spring, when the dodge gate did not receive the extrusion, the spring recovered and promoted the dodge gate and rotated the primary position from the second position.
Furthermore, one end of the first shaft is installed on the shell, the other end of the first shaft is open, one end of the second shaft is installed on the movable door, the other end of the second shaft is open, the first shaft and the second shaft are the same in diameter and are located at the same horizontal position.
In the technical scheme, the switch based on optical fiber deformation is an important technical characteristic, and has novelty, creativity and practicability in the field of belt conveyor stockpile monitoring protection, particularly in the field of chute blockage switches, and the terms in the technical scheme can be explained and understood by the patent documents in the technical field.
Compared with the prior art, the utility model following beneficial effect has: the optical fiber is used as a transmission medium, detection is carried out according to the wavelength of the optical fiber, and the off tracking switch along the belt conveyor does not need to provide a power supply, so that the belt conveyor is safer and more reliable. The optical fiber is used as a transmission medium, so that the problem of electromagnetic interference is completely avoided, the problems of interference and signal instability caused by using electrical signal communication are solved, whether material blockage occurs or not is judged through the optical fiber wavelength by adopting the optical fiber deformation sensor, the problem that misoperation occurs due to vibration in the conventional material blockage opening process is effectively avoided, the service life is long, the shock resistance is high, and the detection is accurate.
Drawings
Fig. 1 a schematic view of an installation front view of the present invention.
Fig. 2 is a schematic side view of the present invention.
Fig. 3 is a schematic view of the movable door in a first position.
Fig. 4 is a schematic view of the movable door in a second position.
Description of the drawings: 1-casing, 2-switch assembly, 3-chute side wall
Wherein: the switch assembly 2 includes: 21-stress plate, 22-rotation unit, 221-base, 222-door shaft, 223-movable door, 224-feeler lever, 23-deformation unit, 231-bracket, 232-optical fiber deformation sensor, 24-limit unit, 25-reset unit, 251-first shaft, 252-second shaft and 253-spring.
Detailed Description
Terms such as "having," "including," and "comprising," as used herein with respect to the present invention, are to be understood as not specifying the presence or addition of one or more other elements or combinations thereof.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, and the two elements may be connected through an intermediate medium.
In addition, the technical features mentioned in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other, and unless otherwise specified, the devices and materials used in the following examples are commercially available, and if the processing conditions are not explicitly stated, please refer to the purchased product specification or follow the conventional method in the art.
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 work belong to the protection scope of the present invention.
The utility model provides a chute blocks up switch based on optic fibre deformation, this switch setting includes casing 1 and sets up at the inside switch module 2 of casing at the opening part of chute lateral wall 3, and this switch module 2 includes atress board 21, rotation unit 22, deformation unit 23, spacing unit 24 and the reset unit 25, deformation unit 23 includes optic fibre deformation sensor 232, and feeler lever 224 can touch optic fibre deformation sensor 232 in switch module 2 when taking place to block up, and control system is given in the wavelength change of optic fibre deformation sensor 232 transmission optic fibre. Due to the fact that the switch component 2 based on optical fiber deformation is designed, the reliability and the sensitivity of monitoring when the chute of the belt conveyor is blocked in the long-distance transportation process are improved.
In this implementation, the switch module is provided with atress board 21, atress board 21 is the elasticity rubber slab, is fixed on chute lateral wall 3, sets up between the opening part of casing 1 and chute lateral wall 3, receives material 4 extrusion can take place deformation. The design is rich in elasticity rubber slab and is favorable to when taking place material 4 to block up in the chute for the atress board, and the atress board can take place extrusion deformation along with the increase of material 4.
In this embodiment, the switch assembly 2 is further provided with a rotating unit 22, the rotating unit is disposed on the housing 1, the rotating unit includes a base 221 connected to the housing 1, a door shaft 222 mounted on the base, a movable door 223 mounted on the door shaft, and a contact rod 224 disposed on the movable door, the movable door 223 can rotate around the door shaft 222 from a first position to a second position, when the movable door 223 is located at the first position, the contact rod 224 does not touch the deformation unit 23 of the switch assembly 2, and when the movable door 223 rotates to the second position, the contact rod 224 touches the deformation unit 23 of the switch assembly 2. The technical purpose is as follows: the design of the rotating unit is beneficial to push the movable door 223 to rotate around the door shaft 222 when the stress plate 21 is pressed by the material 4 due to the chute blockage, and the contact rod 224 moves together with the movable door 223.
In this implementation, switch module 2 still is provided with deformation unit 23, deformation unit 23 sets up on casing 1, and this deformation unit 23 is including installing support 231 on casing 1 and installing the optic fibre deformation sensor 232 on support 231, and when taking place the chute and blockking up, feeler lever 224 is because the optic fibre deformation of extrusion activity touch switch module 2 creates 232, and optic fibre deformation sensor 232 transmits the wavelength change of optic fibre for control system.
In this embodiment, the switch assembly 2 is further provided with a limit unit 24, and the limit unit 24 is arranged at the lower end inside the housing 1 and used for positioning the second position of the movable door 223. The optical fiber deformation sensor 232 can be prevented from being damaged by the excessive movement displacement of the movable door 223.
In this embodiment, the switch assembly 2 is further provided with a reset unit 25, one end of the reset unit 25 is arranged on the housing 1, the other end is arranged on the movable door 223, the reset unit 25 comprises a first shaft 251 arranged on the housing 1, a second shaft 252 arranged on the movable door 223, and a spring 253 sleeved on the first shaft 251 and the second shaft 252, when the movable door 223 is pressed, the movable door 223 compresses the spring 253 from the first position to the second position, and when the chute blockage is eliminated, and the movable door 223 is not pressed, the spring 253 is loosened and restored to push the movable door 223 to rotate from the second position to the first position. The technical purpose of setting the reset unit is favorable for resetting the switch and the movable door when the fault is eliminated, and the conveyer belt continues to run.
In this embodiment, one end of the first shaft 251 is mounted on the housing 1, the other end is open, one end of the second shaft 252 is mounted on the movable door 223, the other end is open, and the first shaft 251 and the second shaft 252 have the same diameter and are located at the same horizontal position. The technical purpose is as follows: the spring 253 can be stably sleeved on the first shaft and the second shaft when being loosened and recovered without separation.
The utility model discloses a theory of operation: when the material 4 in the chute is accumulated to a certain height, the material 4 presses the stress plate 21, the stress plate 21 pushes the rotating unit 22, the movable door 223 in the rotating unit 22 rotates around the door shaft 222, the contact rod 224 moves together with the movable door 223, when the movable door 223 rotates from the first position to the second position, the contact rod 224 triggers the deformation unit 23 of the switch component 2, the optical fiber deformation sensor 232 in the deformation unit 23 is triggered to transmit the wavelength change of the optical fiber to the control system through the optical fiber, and the control system performs analysis and processing to send a shutdown instruction. After shutting down, the maintainer can find the chute fast and block up the fault point, clear up material 4, and after 4 clearance of material, dodge gate 223 does not receive the extrusion, and spring 253 relaxs to resume and promotes dodge gate 223 and rotate to the first position from the second place, makes the dodge gate reset, and the conveyer belt can continue the operation.
The utility model has the characteristics of it is following:
1. due to the fact that the switch component 2 based on optical fiber deformation is designed, the reliability and the sensitivity of monitoring when the chute of the belt conveyor is blocked in the long-distance transportation process are improved.
2. Due to the design, the elastic rubber plate is the stress plate 21, so that when the material 4 is blocked in the chute, the stress plate 21 can be extruded and deformed along with the increase of the material 4.
3. Due to the design of the rotating unit 22, when the stress plate 21 is pressed by the material 4 due to the chute blockage, the movable door 223 is pushed to rotate around the door shaft 222, and the contact rod 224 moves together with the movable door 223.
4. Due to the design of the deformation unit 23, when the chute is blocked, the contact rod 224 triggers the optical fiber deformation sensor 232 of the switch component 2 due to the extrusion activity, and the optical fiber deformation sensor 232 transmits the wavelength change of the optical fiber to the control system.
5. Due to the design of the limiting unit 24 for positioning the second position of the movable door 223, the damage to the optical fiber deformation sensor 232 caused by the overlarge movement displacement of the movable door 223 is prevented.
6. Due to the design of the reset unit 25, the movable door is reset when the fault is eliminated, and the conveying belt continues to run.
7. Due to the design, one end of the first shaft 251 is installed on the shell 1, the other end of the first shaft 251 is open, one end of the second shaft 252 is installed on the movable door 223, the other end of the second shaft 252 is open, the first shaft 251 and the second shaft 252 have the same diameter and are positioned at the same horizontal position, so that the spring has enough contraction space when being extruded and contracted, and can be stably sleeved on the first shaft and the second shaft when being relaxed and recovered without separation.
Still other embodiments having the switch assembly including the stress plate, the rotation unit, the deformation unit, the limiting unit and the reset unit, the technical features of the deformation unit including the optical fiber deformation sensor are all embodiments of the present invention, and the technical features of the above-mentioned embodiments can be arbitrarily combined, and in order to meet the requirements of patent laws, patent implementation rules and examination guidelines, all possible combinations of the technical features of the above-mentioned embodiments are not described again.
Therefore in the technical field of preventing blockking up related to belt conveyor chute, all contain useful this switch module that has including atress board, rotation unit, deformation unit, spacing unit and reset unit, the technical content that deformation unit includes optic fibre deformation sensor all is in the protection scope of the utility model. Above-mentioned embodiment is only the utility model provides a chute blocking switch's a realization form based on optic fibre deformation, according to the utility model provides a scheme other warp, increase or reduce wherein composition or step, perhaps will the utility model is used for other with the utility model discloses the technical field who is close all belongs to the utility model discloses a protection scope.
Claims (8)
1. The utility model provides a chute blocks up switch based on optic fibre deformation which characterized by: this switch setting includes the casing and sets up the switch module in the casing inside at the opening part of chute lateral wall.
2. The optical fiber deformation-based chute blockage switch according to claim 1, which is characterized in that: the switch assembly includes: the stress plate is fixed on the side wall of the chute, arranged between the shell and the opening of the side wall of the chute and can deform under the extrusion of materials.
3. The optical fiber deformation-based chute blockage switch according to claim 2, which is characterized in that: the stress plate is an elastic rubber plate.
4. The optical fiber deformation-based chute blockage switch according to claim 2, which is characterized in that: the switch assembly further includes: the deformation unit is arranged on the shell and comprises a support and an optical fiber deformation sensor, the support is mounted on the shell, the optical fiber deformation sensor is mounted on the support, and after the deformation unit is triggered, the optical fiber deformation sensor transmits the wavelength change of optical fibers to the control system.
5. The optical fiber deformation-based chute blockage switch according to claim 4, wherein: the switch assembly further includes: the rotation unit, the rotation unit sets up on the casing, and this rotation unit is including connecting the base on the casing, installing the door-hinge on the base, installing the dodge gate on the door-hinge, and the feeler lever of setting on the dodge gate can be changeed to the second position from the primary importance around the door-hinge, and when the dodge gate was located the primary importance, this feeler lever did not touch switch assembly's deformation unit, and when the dodge gate rotated to the second place, the feeler lever touched this switch assembly's deformation unit.
6. The optical fiber deformation-based chute blockage switch according to claim 5, wherein: the switch assembly further comprises a limiting unit, wherein the limiting unit is arranged at the lower end inside the shell and used for positioning the second position of the movable door.
7. The optical fiber deformation-based chute blockage switch according to claim 6, wherein: the switch assembly further includes: the reset unit, one end sets up on the casing, and the other end sets up on the dodge gate, and this reset unit is including installing the primary shaft on the casing, installs the secondary shaft on the dodge gate, and the suit is at the primary shaft and the epaxial spring of secondary, and when the dodge gate received the second position of turning to from the primary position when extrudeing, dodge gate compression spring, when the dodge gate did not receive the extrusion, the spring recovered and promoted the dodge gate and rotated the primary position from the second position.
8. The optical fiber deformation-based chute blockage switch according to claim 7, wherein: one end of the first shaft is installed on the shell, the other end of the first shaft is open, one end of the second shaft is installed on the movable door, the other end of the second shaft is open, the first shaft and the second shaft are identical in diameter and located at the same horizontal position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120932931.0U CN214732236U (en) | 2021-04-30 | 2021-04-30 | Chute blocks up switch based on optic fibre deformation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120932931.0U CN214732236U (en) | 2021-04-30 | 2021-04-30 | Chute blocks up switch based on optic fibre deformation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214732236U true CN214732236U (en) | 2021-11-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120932931.0U Active CN214732236U (en) | 2021-04-30 | 2021-04-30 | Chute blocks up switch based on optic fibre deformation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214732236U (en) |
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2021
- 2021-04-30 CN CN202120932931.0U patent/CN214732236U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: SHANDONG BOYAN POWDER TECHNOLOGY EQUIPMENT CO.,LTD. Assignor: Libo Industrial Technology Research Institute (Shandong) Co.,Ltd.|LIBO HEAVY MACHINE TECHNOLOGY Co.,Ltd. Contract record no.: X2023980048780 Denomination of utility model: A Chute Blocking Switch Based on Fiber Optic Deformation Granted publication date: 20211116 License type: Common License Record date: 20231205 |
|
| EE01 | Entry into force of recordation of patent licensing contract |