CN216188708U - Belt anti-tearing protection device suitable for TBM - Google Patents
Belt anti-tearing protection device suitable for TBM Download PDFInfo
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- CN216188708U CN216188708U CN202122636997.8U CN202122636997U CN216188708U CN 216188708 U CN216188708 U CN 216188708U CN 202122636997 U CN202122636997 U CN 202122636997U CN 216188708 U CN216188708 U CN 216188708U
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Abstract
The utility model discloses a belt anti-tearing protection device suitable for TBM (tunnel boring machine), which comprises an infrared grating, a seat frame, a control box and an alarm, wherein the seat frame parallel to the belt conveyor is arranged between an upper belt and a lower belt of the belt conveyor; the belt anti-tearing device comprises a belt conveyer, a belt TBM tunneling machine, a high-precision infrared belt anti-tearing device, a belt tearing device, a sound-light alarm device and a controller.
Description
Technical Field
The utility model relates to the technical field of safety protection, in particular to a belt anti-tearing protection device suitable for TBM.
Background
The TBM tunneling machine is a large tunnel construction machine integrating multiple functions of tunneling, slag discharging, guiding, ventilating and dust preventing, is a construction device integrating systems of machine, electricity, liquid, light, gas and the like, and has the advantages of high tunneling speed, environmental friendliness, high comprehensive benefit and the like. The belt conveyer of TBM entry driving machine is the important influence factor who decides TBM construction speed, and at TBM entry driving machine during operation, the cutter head rotates broken rock and produces the slag body, goes out the hole through belt conveyor, can effectually solve the tunnel tunnelling and slag problems, but when transport object appears ironware, bold rubble, stick, can cause belt local damage at the in-process that falls down, directly pierces through conveyor belt and blocks on funnel, chute, frame or bearing roller during serious, can cause the belt to vertically tear on a large scale. The existing belt anti-tearing detection technologies mainly include a contact type and a non-contact type, but the detection device cannot detect the belt tearing condition timely and accurately, and the multi-belt detection technology is not suitable for the working environment of the TBM tunneling machine. Therefore, the design of a belt anti-tear protection device suitable for the TBM is urgently needed for TBM construction safety protection and construction efficiency improvement.
The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art that is known to a person skilled in the art.
Disclosure of Invention
The utility model aims to provide a belt anti-tearing protection device suitable for a TBM (tunnel boring machine), and aims to solve the technical problems of low sensitivity and low accuracy of belt tearing detection when the TBM heading machine works in a tunnel.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the design is a belt anti-tearing protection device suitable for a TBM, and the belt anti-tearing protection device comprises a seat frame, an infrared grating, a control box and an alarm, wherein the seat frame is arranged between an upper belt and a lower belt of a belt conveyor. The seat frame between the upper belt and the lower belt of the belt conveyor is parallel to the belt conveyor, the infrared grating is installed on the seat frame, the control box is connected with the infrared grating through a circuit, and the alarm is connected with the control box through a circuit.
The infrared grating comprises a light emitter and a light receiver, the light emitter emits light signals, the light receiver receives the light signals to form a protective light curtain, the light receiver detects the on-off state of the protective light curtain, and when the protective light curtain is in light-on, a circuit outputs low level; when the protection light curtain blocks light, the circuit outputs high level, and the signal output by the circuit is transmitted to the control box, so that the corresponding components in the control device are controlled.
The control box comprises a contactor, a relay and a power supply, receives detection signals from the protective light curtain and then processes the electric signals to act on the alarm and the belt conveyor.
The alarm receives the electric signal of the control box, does not work when receiving the light passing signal, and gives an alarm when receiving the light blocking signal.
Compared with the prior art, the utility model has the beneficial technical effects that:
1. the utility model has simple structure and convenient installation and use, and is more suitable for large tunnel construction machinery such as a TBM (tunnel boring machine).
2. The utility model has high sensitivity, and the infrared grating can detect the working state of the belt conveyor with high precision, and can feed back the working state in time to protect the belt from being torn longitudinally.
3. The belt tearing detection device can work independently, when the belt is torn, the power supply is arranged in the control box, the control box is not required to be connected with a computer system, the tearing condition of the belt can be detected in time, the sound and light alarm is given out, and the belt stops running.
Drawings
FIG. 1 is a schematic view of a high-precision infrared belt tearing-prevention device.
Fig. 2 is a schematic view of the installation of the infrared grating.
Fig. 3 is a schematic view of the installation of the control box.
In the above figures, 1 is an infrared grating, 2 is a seat frame, 3 is a circuit, 4 is a control box, and 5 is an alarm.
Detailed Description
The following examples are intended to illustrate the present invention in detail and should not be construed as limiting the scope of the present invention in any way.
The programs referred to or relied on in the following embodiments are all conventional programs or simple programs in the art, and those skilled in the art can make routine selection or adaptation according to specific application scenarios.
The unit modules (e.g., parts, structures, and mechanisms) and devices such as sensors in the following embodiments are all conventional commercially available products unless otherwise specified.
Example 1: the belt anti-tearing protection device suitable for the TBM is shown in the figures 1-3 and comprises an infrared grating 1, a control box 4 and an alarm 5, wherein the infrared grating 1 is installed on a seat frame 2 parallel to a belt conveyor, a circuit 3 transmits the on-off condition detected by the infrared grating 1 to the control box 4 through an electric signal, and the control box 4 processes the signal and controls the operation of the belt conveyor and the state of the alarm 5.
The echelettes 1, see fig. 2, are mounted at both ends of the seat frame 2, and consist of a light emitter and a light receiver, the light emitter emits infrared rays, the light receiver receives the infrared rays to form a protective light curtain, and the light passing and blocking states of the protective light curtain are detected by the light receiver.
The control box 4 is composed of a contactor, a relay and a power supply, the control box 4 is responsible for receiving on-off signals transmitted by the infrared grating 1 through the line 3 and processing the signals to control the work of the belt conveyor and the work of the alarm 5, and the installation schematic diagrams of the control box 4 and the alarm 5 are shown in fig. 3.
The alarm 5 is an audible and visual alarm which emits an audible and visual alarm signal when receiving the alarm signal.
The operation and use method suitable for the TBM belt anti-tear protection device is as follows:
when the belt conveyer of TBM entry driving machine normally works, the protection light curtain that illuminator and photic ware of echelette grating 1 formed is in logical light state, this moment export low level in the circuit 3 arrives control box 4, the contactor and the relay of control box 4 are in the actuation state this moment, siren 5 is out of work, and belt conveyer normal operating. When a belt of a belt conveyor of the TBM heading machine is torn in the running process, a protective light curtain formed by a light emitter and a light receiver of the infrared grating 1 is in a light blocking state, at the moment, a high level is output to the control box 4 from the line 3, at the moment, a contactor and a relay of the control box 4 are in a disconnected state, the control box 4 transmits a signal to the alarm 5, the control box 4 controls the belt conveyor to stop working, and the alarm 5 sends out an audible and visual alarm signal. After the fault is processed, after no slag blocks infrared rays in the infrared grating 1, the reset key is pressed down to enable the high-precision infrared belt anti-tearing device to continue to work.
While the utility model has been described in detail with reference to the drawings and examples, it will be understood by those skilled in the art that various changes in the details of the embodiments and various changes in the details of construction and materials may be made therein without departing from the spirit of the utility model and without departing from the scope of the utility model.
Claims (4)
1. The utility model provides a belt anti-tear protection device suitable for TBM, is including being used for setting up the seat frame between belt conveyor upper and lower belt, its characterized in that still includes siren, the control box that corresponds the electricity and connects and installs infrared grating on the seat frame, infrared grating's detection range is corresponding to the belt face, the control box accepts and comes from infrared grating's supervision and detection signal to according to the operating condition with control belt conveyor and siren.
2. The belt anti-tear protection device suitable for TBM of claim 1, wherein the infrared grating comprises a light emitter and a light receiver, and the light emitter and the light receiver form a protective light curtain, the light emitter and the light receiver are correspondingly installed on the seat frame, and the distance between the light emitter and the light receiver is smaller than the distance between the seat frame.
3. The belt anti-tearing protection device suitable for the TBM as claimed in claim 1, wherein the control box comprises a contactor, a relay and a power supply, the control box controls the contactor and the relay to be closed or opened by receiving and processing the light curtain on-off signal of the infrared grating, and when the contactor and the relay are opened, the control box controls the belt conveyor to stop running and controls the alarm to send out an alarm signal.
4. The belt anti-tear protection device suitable for the TBM as claimed in claim 1, wherein the alarm is an acousto-optic alarm, and the acousto-optic alarm emitted by the alarm is more convenient for workers to receive the alarm signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122636997.8U CN216188708U (en) | 2021-11-01 | 2021-11-01 | Belt anti-tearing protection device suitable for TBM |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122636997.8U CN216188708U (en) | 2021-11-01 | 2021-11-01 | Belt anti-tearing protection device suitable for TBM |
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| Publication Number | Publication Date |
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| CN216188708U true CN216188708U (en) | 2022-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122636997.8U Active CN216188708U (en) | 2021-11-01 | 2021-11-01 | Belt anti-tearing protection device suitable for TBM |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115583475A (en) * | 2022-11-03 | 2023-01-10 | 武汉顶力康自动化有限公司 | Intelligent control device and control method for preventing tearing and deviation of conveying belt |
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2021
- 2021-11-01 CN CN202122636997.8U patent/CN216188708U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115583475A (en) * | 2022-11-03 | 2023-01-10 | 武汉顶力康自动化有限公司 | Intelligent control device and control method for preventing tearing and deviation of conveying belt |
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