Downhole self-moving special train

Through wireless receiving devices and infrared sensors, the problem of emergency stopping of hydraulic handheld operations of self-moving special trains is solved, long-distance remote control and rapid signal transmission are realized, and the safety of mining operations is improved.

CN222136760UActive Publication Date: 2024-12-10HUAINAN MINING IND GRP
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Patent Information

Application Number
CN202420192114.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-01-26
Publication Date
2024-12-10
Estimated Expiration
2034-01-26

AI Technical Summary

Technical Problem

In mining projects, the hydraulic handle operation of the self-moving special train is in a safety hazard when an emergency stops in an emergency and requires manual operation, which poses risks.

Method used

Wireless reception devices are used instead of hydraulic handle operation, infrared sensors and voice alarm devices are added, and remote control and emergency stop locking are achieved through broadcast telephones and solenoid valve groups to ensure that operators safely control the self-moving special train from a long distance.

Benefits of technology

It improves the safety of self-moving special train operation, reduces the risk of manual operation, and makes signal transmission faster and more sensitive, enhancing the safety guarantees of operators.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an underground self-moving special train which comprises a self-moving train body, a broadcast telephone set, a first infrared sensor, a second infrared sensor, a first alarm box, a second alarm box, an electromagnetic valve set and a wireless receiving device. The first infrared sensor and the second infrared sensor are fixedly located at the two ends of the self-moving train body respectively. The plurality of broadcast telephones are fixedly positioned on the self-moving train body; wherein the at least two broadcast telephones, the first alarm box and the second alarm box are respectively positioned at two ends of the self-moving train body; the electromagnetic valve set and the wireless receiving device are fixedly located on a self-moving train body, and the broadcasting telephone set, the first infrared sensor, the second infrared sensor, the first alarm box, the second alarm box and the wireless receiving device are all connected with the electromagnetic valve set. By means of the special underground self-moving train, the safety during working can be improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of mining engineering, in particular to an electric underground self-moving special train. Background Art

[0002] As the comprehensive mining face is mined out along with the working face, the self-moving special train in the machine tunnel is mined out along with the working face. The self-moving special train needs to be moved outward at certain distances. Currently, the self-movement of the special train is controlled by manually operating the hydraulic handle, and personnel must be set up at a certain distance at both ends of the self-moving special train.

[0003] Traditionally, hydraulic handlebars are used, and operators stand on the special train to operate. There are certain risks when personnel move with the special train. In case of emergency, the operator relies on shaking the mining lamp or blowing the whistle to stop the machine, which requires manual reaction before operating the stop operation, which has certain safety hazards. Utility Model Content

[0004] The technical problem to be solved by the utility model is to solve the problem that the hydraulic handle of the self-moving special train is operated to stop suddenly in an emergency, which has certain safety hazards.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0006] A kind of underground self-moving train, comprising: a self-moving train body 100, a broadcasting telephone 200, a first infrared sensor 310, a second infrared sensor 320, a first alarm box 410, a second alarm box 420, an electromagnetic valve group and a wireless receiving device; the first infrared sensor 310 and the second infrared sensor 320 are respectively fixed at the two ends of the self-moving train body 100; a plurality of broadcasting telephones 200 are fixed on the self-moving train body 100; wherein at least two broadcasting telephones 200 and the first alarm box 410 and the second alarm box 420 are respectively located at the two ends of the self-moving train body 100; the electromagnetic valve group and the wireless receiving device are fixed on the self-moving train body 100, and the broadcasting telephone 200, the first infrared sensor 310, the second infrared sensor 320, the first alarm box 410, the second alarm box 420 and the wireless receiving device are all connected to the electromagnetic valve group.

[0007] In one embodiment of the utility model, the solenoid valve group includes a main solenoid valve S, an intermediate relay, an infrared relay and an emergency stop relay; the main solenoid valve S is connected in parallel with the coil ZJ of the intermediate relay; the auxiliary contact HJ1 of the infrared relay and the auxiliary contact JJ1 of the emergency stop relay are connected in series and then connected to the main solenoid valve S.

[0008] In one embodiment of the present invention, the first alarm box 410 is connected in series with the first normally open auxiliary contact ZJ1 of the intermediate relay; the second alarm box 420 is connected in series with the second normally open auxiliary contact ZJ2 of the intermediate relay; and the first alarm box 410 and the second alarm box 420 are connected in parallel.

[0009] In one embodiment of the present invention, the emergency stop buttons of a plurality of broadcasting telephones 200 are connected in series, and the plurality of emergency stop buttons are connected in series with the coil JJ of the emergency stop relay.

[0010] In one embodiment of the present invention, the first infrared sensor 310 and the second infrared sensor 320 are connected in parallel, and the coil HJ of the infrared relay is connected in parallel with the first infrared sensor 310 and the second infrared sensor 320 .

[0011] In an embodiment of the present invention, the solenoid valve group is connected to a DC 24V power supply.

[0012] In one embodiment of the present utility model, the start button QA of the receiver of the wireless receiving device is connected in series with the auxiliary contact HJ1 of the infrared relay and the auxiliary contact JJ1 of the emergency stop relay.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: the self-moving train uses a wireless receiving device to replace the traditional hydraulic handle operation, which provides safety protection for the operator during construction and enables the operator to remotely control the self-moving of the self-moving train. The emergency stop lock setting formed by multiple radio telephones replaces the traditional manual stop signal of the mining lamp, making the signal transmission faster and more sensitive. Infrared sensors are added to ensure the safety risk of people entering by mistake during the pulling and moving process. A voice alarm device is installed to remind people to prevent accidental entry. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The utility model is a schematic diagram of an underground self-moving train according to an embodiment of the utility model.

[0015] Figure 2 This is a schematic diagram of the connection of the solenoid valve group according to an embodiment of the utility model.

[0016] Figure 3 This is a schematic diagram of the solenoid valve group and the wireless receiving device according to an embodiment of the utility model.

[0017] Figure 4 This is a schematic diagram of the connection between the alarm box and the solenoid valve group according to an embodiment of the utility model.

[0018] Figure 5 This is a schematic diagram of the connection between a broadcast telephone and a solenoid valve group according to an embodiment of the utility model.

[0019] Figure 6This is a schematic diagram of the connection between the infrared sensor and the solenoid valve group according to an embodiment of the utility model. DETAILED DESCRIPTION

[0020] In order to facilitate those skilled in the art to understand the technical solution of the utility model, the technical solution of the utility model is further explained in conjunction with the drawings in the specification.

[0021] The terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0022] See also Figure 1 As shown, the utility model provides an underground self-moving train, including a self-moving train body 100, a broadcasting telephone 200, a first infrared sensor 310, a second infrared sensor 320, a first alarm box 410, a second alarm box 420, an electromagnetic valve group and a wireless receiving device. The first infrared sensor 310 and the second infrared sensor 320 are respectively fixed at the two ends of the self-moving train body 100, and a plurality of broadcasting telephones 200 are fixed on the self-moving train body 100. Among them, at least two broadcasting telephones 200 and the first alarm box 410 and the second alarm box 420 are respectively located at the two ends of the self-moving train body 100, the electromagnetic valve group and the wireless receiving device are fixed on the self-moving train body 100, and the broadcasting telephone 200, the first infrared sensor 310, the second infrared sensor 320, the first alarm box 410, the second alarm box 420 and the wireless receiving device are all connected to the electromagnetic valve group. The self-moving train has added a warning emergency stop device, used a wireless remote control device instead of the traditional hydraulic handle operation, the emergency stop lock replaced the traditional manual shaking mining lamp stop signal, added an infrared sensor, and installed a voice alarm locking device to improve the safety of operators during the operation of the self-moving train.

[0023] See also Figure 1 and Figure 2As shown, in one embodiment of the utility model, the solenoid valve group includes a main solenoid valve S, an intermediate relay, an infrared relay and an emergency stop relay. The main solenoid valve S is connected in parallel with the coil ZJ of the intermediate relay, and the auxiliary contact HJ1 of the infrared relay and the auxiliary contact JJ1 of the emergency stop relay are connected in series and then connected to the main solenoid valve S. And the solenoid valve group is connected to a DC 24V power supply. Among them, the wireless receiving device mainly includes a wireless remote controller of model TMDYKQ (FYF5 (A)) [FYF5 (A)] and a receiving device of model TMDSRSC (KTW12 (A)) [KTW12 (A)], one as a transmitter and the other as a receiver. And the start button QA of the receiving device is connected in series with the auxiliary contact HJ1 of the infrared relay and the auxiliary contact JJ1 of the emergency stop relay. The wireless remote controller can send a signal to the receiving device to control the start button QA on the receiving device.

[0024] See also Figures 1 to 6 As shown, in one embodiment of the utility model, the first alarm box 410 is connected in series with the first normally open auxiliary contact ZJ1 of the intermediate relay, the second alarm box 420 is connected in series with the second normally open auxiliary contact ZJ2 of the intermediate relay, and the first alarm box 410 and the second alarm box 420 are connected in parallel.

[0025] When the remote control switch is pressed, the wireless receiver receives the signal, and the start button QA on the wireless receiver is closed, the main solenoid valve S coil is energized, the solenoid valve is activated, the oil circuit is connected, the oil cylinder is activated, and at the same time, the coil ZJ of the intermediate relay is energized, the first normally open auxiliary contact ZJ1 and the second normally open auxiliary contact ZJ2 change from normally open point to normally closed point, and the first alarm box 410 and the second alarm box 420 are energized to send out a signal of "operation in progress, pedestrians strictly prohibited".

[0026] In one embodiment of the present invention, the emergency stop buttons of multiple broadcasting telephones 200 are connected in series, and multiple emergency stop buttons are connected in series with the coil JJ of the emergency stop relay. In this embodiment, the number of broadcasting telephones 200 is 4, two broadcasting telephones 200 are located at both ends of the self-moving train body 100, and the other two are located in the middle of the self-moving train body 100. For example, the four broadcasting telephones 200 are fixed at equal intervals on the self-moving train body 100. Four broadcasting telephones 200 correspond to four emergency stop buttons, such as Figure 5 The first emergency stop button SBS1, the second emergency stop button SBS2, the third emergency stop button SBS3 and the fourth emergency stop button SBS4 are shown. If objects are scraped against each other during the process of pulling the start button QA, any of the four emergency stop buttons will be pressed, the coil JJ of the emergency stop relay will lose power, the auxiliary contact JJ1 of the emergency stop relay will change from a normally closed point to a normally open point, the solenoid valve group will lose power, and the self-moving train body 100 will stop moving, which plays a role in safety protection.

[0027] In one embodiment of the utility model, the first infrared sensor 310 and the second infrared sensor 320 are connected in parallel, and the coil HJ of the infrared relay is connected in parallel with the first infrared sensor 310 and the second infrared sensor 320. During the process of pulling the start button QA, if someone enters the range of the first infrared sensor 310 or the second infrared sensor 320 by mistake, the coil HJ of the infrared relay is energized and the auxiliary contact HJ1 of the infrared relay changes from a normally closed point to a normally open point, the electromagnetic valve group loses power, and the special train stops moving.

[0028] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention, and any figure mark in the claims should not be regarded as limiting the claims involved.

[0029] The above-described embodiments merely represent implementation methods of the utility model, and the protection scope of the utility model is not limited to the above-described embodiments. For those skilled in the art, several modifications and improvements can be made without departing from the concept of the utility model, and all of these belong to the protection scope of the utility model.

Claims

1. An underground self-moving train, characterized in that: include: A self-moving train body (100), a radio telephone (200), a first infrared sensor (310), a second infrared sensor (320), a first alarm box (410), a second alarm box (420), an electromagnetic valve group and a wireless receiving device; the first infrared sensor (310) and the second infrared sensor (320) are respectively fixed at two ends of the self-moving train body (100); a plurality of radio telephones (200) are fixed on the self-moving train body (100); at least two radio telephones (200) and the first alarm box (410) and the second alarm box (420) are respectively located at two ends of the self-moving train body (100); the electromagnetic valve group and the wireless receiving device are fixed on the self-moving train body (100), and the radio telephone (200), the first infrared sensor (310), the second infrared sensor (320), the first alarm box (410), the second alarm box (420) and the wireless receiving device are all connected to the electromagnetic valve group.

2. The underground self-moving train according to claim 1 is characterized in that: The solenoid valve group comprises a main solenoid valve (S), an intermediate relay, an infrared relay and an emergency stop relay; the main solenoid valve (S) is connected in parallel with the coil (ZJ) of the intermediate relay; the auxiliary contact (HJ1) of the infrared relay and the auxiliary contact (JJ1) of the emergency stop relay are connected in series and then connected to the main solenoid valve (S).

3. The underground self-moving train according to claim 2 is characterized in that: The first alarm box (410) is connected in series with a first normally open auxiliary contact (ZJ1) of an intermediate relay; the second alarm box (420) is connected in series with a second normally open auxiliary contact (ZJ2) of an intermediate relay; and the first alarm box (410) and the second alarm box (420) are connected in parallel.

4. The underground self-moving train according to claim 2 is characterized in that: The emergency stop buttons of a plurality of broadcast telephones (200) are connected in series, and the plurality of emergency stop buttons are connected in series with the coil (JJ) of the emergency stop relay.

5. The underground self-moving train according to claim 2 is characterized in that: The first infrared sensor (310) and the second infrared sensor (320) are connected in parallel, and the coil (HJ) of the infrared relay is connected in parallel with the first infrared sensor (310) and the second infrared sensor (320).

6. The underground self-moving train according to claim 2 is characterized in that: The solenoid valve group is connected to a DC 24V power supply.

7. The underground self-moving train according to claim 2 is characterized in that: The start button (QA) of the receiver of the wireless receiving device is connected in series with the auxiliary contact (HJ1) of the infrared relay and the auxiliary contact (JJ1) of the emergency stop relay.