CN214003133U - Lap joint interlocking control device for driving coal belt and main coal belt - Google Patents
Lap joint interlocking control device for driving coal belt and main coal belt Download PDFInfo
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- CN214003133U CN214003133U CN202022144888.XU CN202022144888U CN214003133U CN 214003133 U CN214003133 U CN 214003133U CN 202022144888 U CN202022144888 U CN 202022144888U CN 214003133 U CN214003133 U CN 214003133U
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Abstract
The utility model belongs to the field of auxiliary devices of coal mine underground coal-discharging systems; electronic protection and the main incompatible scheduling problem of coal belt of transporting out that use when using the belt to carry out the overlap joint, the current tunnelling out coal belt and main transport out between the coal belt overlap joint have not interlocking control function, the utility model provides a tunnelling out coal belt and main transport out coal belt's overlap joint interlocking control device, return empty section belt top is arranged in to the gyro wheel, the radial terminal surface of gyro wheel sets up magnet, the platform installation speed protection box in the U type gyro wheel mount outside, speed protection circuit receives magnet periodic signal, speed output terminal potential variation, the switch of tunneling out coal belt through relay control, realize the interlocking control of the belt of overlap joint point, effectively solve main transport out coal belt and tunnel out not use speed protection or incompatible and can't realize interlocking control's problem between the coal belt.
Description
Technical Field
The utility model relates to an interlocking control between the colliery different coal discharging system in the pit, more specifically say, relate to a tunnelling out the overlap joint interlocking control device of coal belt and main transport out coal belt.
Background
In the underground production process of the coal mine, the overlap joint of each underground tunneling team group and a main coal conveying belt is sometimes limited by geological conditions, a chute is used for carrying out overlap joint coal conveying, the chute is directly controlled by a button switch, and various protections are not installed; the electronic protection used when the belt is used for lapping is incompatible with the main coal conveying belt, the existing lapping between the coal conveying belt and the main coal conveying belt has no interlocking control function, and the two belts can not realize interlocking, namely, when the main coal conveying belt is stopped, the main coal conveying belt can not be synchronously stopped with the lapped belt, and under the condition that the attention of a belt driver is not concentrated, the main coal conveying belt can not be stopped in time, and the lapping point is buried due to coal piling.
Disclosure of Invention
Not enough to prior art exists, the utility model aims to provide a tunneling out coal belt and main overlap joint interlock control device who transports out coal belt, this utility model utilizes the gyro wheel to detect the running state of main transport out coal belt, and tunneling out coal belt and main transport out carry out interlock control between the coal belt, incompatible out coal system realizes running state's interlock control.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a lap joint interlocking control device for a tunneling coal belt and a main coal conveying belt is arranged between a return section belt and a bearing section belt of the main coal conveying belt at a belt lap joint point and comprises a roller and a speed protection box, wherein two ends of a shaft of the roller are connected through a U-shaped roller fixing frame, a pull ring is arranged at the bending part of the U-shaped roller fixing frame, the U-shaped roller fixing frame is fixed on an H-shaped support of the main coal conveying belt by penetrating a pull rope through the pull ring through a pull ring, the circumferential surface of the roller is in contact with the return section belt of the main coal conveying belt, and one radial end surface of the roller is provided with a magnet; the end of the outer side of the U-shaped roller fixing frame, which is close to the magnet, is provided with a platform for installing a speed protection box, and the speed protection box is fixed on the platform through bolts.
Furthermore, a speed protection circuit is arranged in the speed protection box, and two ends of the relay KJ are respectively connected with the power supply positive electrode of the speed protection circuit and the speed output terminal SPout.
Furthermore, the power supply of the speed protection circuit is connected with the power supply of the control switch.
Further, the normally closed output end of the relay KJ is connected with a control loop of a control switch of the coal belt tunneling out.
Further, the magnet is located at the edge of the radial end face of the roller.
Further, the platform and the U-shaped roller fixing frame are located on the same plane, and the distance between the platform and the end face of the roller provided with the magnet is 5-10 cm.
In conclusion, the invention has the following beneficial effects:
the utility model discloses a running condition of gyro wheel detection belt, when the gyro wheel rotates, the produced periodic signal of the magnet of the radial terminal surface installation of gyro wheel is received to the speed protection box, the output potential change of speed protection box, the action of control relay, through the control switch of relay control and main transport coal belt lapped belt, make the break-make of the control circuit who tunnels out the coal belt realize interlocking control function with the running state of main transport coal belt, effectively solve main transport coal belt and tunnel out between the coal belt not use speed protection or incompatible and can't realize interlocking control's problem, avoid the overlap joint point to appear the condition emergence that the coal pile buries.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic top view of the installation and use state of the present invention;
fig. 3 is a circuit schematic diagram of the speed protection circuit and the control switch portion.
In the figure: the device comprises 1-rollers, 2-magnets, 3-platforms, 4-speed protection boxes, 5-U-shaped roller fixing frames, 6-pull rings, 21-H-shaped supports, 22-bottom carrier rollers, 23-pull ropes and 24-empty-section belts.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in figures 1-3, the utility model discloses a lap joint interlocking control device for a tunneling coal belt and a main transporting coal belt, which is arranged between a return section belt and a bearing section belt of the main transporting coal belt at a belt lap joint point, the utility model is fixed on an H-shaped bracket 21 of the main transporting coal belt through a pull rope 23 for detecting the running state of the main transporting coal belt, so that the overlapped tunneling coal belt and the main transporting coal belt realize interlocking control, namely, the tunneling coal belt and the main transporting coal belt are opened or stopped simultaneously, the lap joint interlocking control device comprises a roller 1 and a speed protection box 4, two ends of a shaft of the roller 1 are connected through a U-shaped roller fixing bracket 5, a pull ring 6 is arranged at the bending part of the U-shaped roller fixing bracket 5, the utility model is fixed on the H-shaped bracket 21 of the main transporting coal belt by utilizing the pull rope 23 to pass through the pull ring 6, the roller 1 is arranged above the return section belt of the main transporting coal belt through the U-shaped roller 5, the circumferential surface of the roller 1 is in contact with a return-to-empty belt 24 of a main coal conveying belt, a magnet 2 is arranged on one radial end face of the roller 1, the magnet 2 is located at the edge of the radial end face of the roller 1, and the magnet 2 can be fixed at the edge of the radial end face of the roller 1 by welding or bolts or other technologies which can be obtained by a person skilled in the art; a platform 3 for mounting a speed protection box 4 is arranged at one end, close to the magnet 2, of the outer side of the U-shaped roller fixing frame 5, the speed protection box 4 is fixed on the platform 3 through bolts, the platform 3 and the U-shaped roller fixing frame 5 are located on the same plane, the distance between the platform 3 and the end face, provided with the magnet 2, of the roller 1 is 5-10 cm, a speed protection circuit is arranged in the speed protection box 4, one end of a relay KJ is connected with a power line of the speed protection circuit, the other end of the relay KJ is connected with a speed output terminal SPout, and a power supply of the speed protection circuit is connected with a power supply of a control switch; the normally closed output end of the relay KJ is connected with a control loop of a control switch for tunneling out a coal belt, when the roller 1 rotates under the driving of a main coal conveying belt, the magnet 2 makes a circular motion on the radial end face of the roller 1, when the roller passes through the position of the speed protection box 4, the speed protection circuit receives a signal, when the main coal conveying belt continuously runs, the speed protection circuit receives a periodic signal, the speed output terminal SPout potential of the speed protection circuit changes, and the action of the relay KJ is controlled.
In this embodiment, the axle, platform 3 and pull ring 6 of the roller 1 are fixed to the U-shaped roller fixing frame 5 by welding, the model of the control belt and the scraper-trough conveyer switch is QJZ-80, the intrinsic safety voltage DC12V, the DC12V voltage of the switch is used to provide power for the speed protection circuit, and the power can be taken from the installed belt or other applicable power sources on site to supply power for the speed protection circuit, the relay KJ in the speed protection box 4 is bridged on the positive pole of the speed protection circuit power supply and the speed output terminal SPout, the connection wire of the normally closed contact of the relay KJ is led out from the speed protection box 4 and then connected in series to the control circuit of the control switch of the coal belt, the speed protection box 4 connected with the wire is fixed to the platform 3, the roller 1 is installed above the belt of the hollow section of the main coal belt, and is tightened by the pull rope 23 to fix the utility model on the H-shaped bracket 21, after a control switch of the belt lap joint point for tunneling the coal belt is powered on, a speed protection circuit in the speed protection box 4 is powered on, if the main coal belt is not in operation, the magnet 2 at one end of the roller 1 cannot rotate periodically, the speed output point of the speed protection circuit is at a low potential, a normally closed end point of a relay KJ is disconnected, a switch control loop of the coal belt is disconnected, a switch is not started, and the coal belt is not tunneled; when the main coal conveying belt is in a running state, the roller 1 is driven by the main coal conveying belt to rotate, the magnet 2 on the radial end face of the roller 1 makes a circular motion, when the magnet 2 passes through the speed protection box 4 fixed on the platform 3, the speed protection circuit receives an electromagnetic induction signal of the magnet 2, the speed output terminal SPout is at a high potential, the normally closed end point of the relay KJ is closed, a switch of the coal conveying belt is started, the coal conveying belt and the main coal conveying belt run simultaneously, and interlocking control is achieved.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. The utility model provides a tunnelling out overlap joint interlock control device of coal belt and main fortune coal belt which characterized in that: the overlap joint interlocking control device is arranged between a return empty section belt and a bearing section belt of a main coal conveying belt of a belt overlap joint point and comprises a roller (1) and a speed protection box (4), two ends of a shaft of the roller (1) are connected through a U-shaped roller fixing frame (5), a pull ring (6) is arranged at the bending part of the U-shaped roller fixing frame (5), the U-shaped roller fixing frame (5) penetrates through the pull ring (6) by utilizing a pull rope (23) to be fixed on an H-shaped support (21) of the main coal conveying belt, the circumferential surface of the roller (1) is in contact with the return empty section belt (24) of the main coal conveying belt, and a magnet (2) is arranged on one radial end surface of the roller (1);
the speed protection device is characterized in that a platform (3) used for installing a speed protection box (4) is arranged at one end, close to the magnet (2), of the outer side of the U-shaped roller fixing frame (5), and the speed protection box (4) is fixed on the platform (3) through bolts.
2. The lap joint interlock control device for a run-in coal belt and a main run-out coal belt according to claim 1, wherein: and a speed protection circuit is arranged in the speed protection box (4), and two ends of the relay KJ are respectively connected with the power supply anode of the speed protection circuit and the speed output terminal SPout.
3. The lap joint interlock control device of a driving coal belt and a main coal belt according to claim 1 or 2, characterized in that: and the power supply of the speed protection circuit is connected with the power supply of the control switch.
4. The lap joint interlock control device for a run-in coal belt and a main run-out coal belt according to claim 2, wherein: and the normally closed output end of the relay KJ is connected with a control loop of a control switch of the coal belt tunneling.
5. The lap joint interlock control device for a run-in coal belt and a main run-out coal belt according to claim 1, wherein: the magnet (2) is located at the edge of the radial end face of the roller (1).
6. The lap joint interlock control device of a driving coal belt and a main coal belt according to claim 1 or 5, characterized in that: the platform (3) and the U-shaped roller fixing frame (5) are located on the same plane, and the distance between the platform (3) and the end face of the roller (1) provided with the magnet (2) is 5-10 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022144888.XU CN214003133U (en) | 2020-09-27 | 2020-09-27 | Lap joint interlocking control device for driving coal belt and main coal belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022144888.XU CN214003133U (en) | 2020-09-27 | 2020-09-27 | Lap joint interlocking control device for driving coal belt and main coal belt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214003133U true CN214003133U (en) | 2021-08-20 |
Family
ID=77297928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022144888.XU Active CN214003133U (en) | 2020-09-27 | 2020-09-27 | Lap joint interlocking control device for driving coal belt and main coal belt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214003133U (en) |
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2020
- 2020-09-27 CN CN202022144888.XU patent/CN214003133U/en active Active
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