Emergency stop device of coal loader

Abstract

The invention discloses an emergency stop device of a coal loader, which is electrically connected between a start switch and a controller of the coal loader and comprises a base, a protective shell and a stay wire. And a first wiring assembly, a second wiring assembly and a U-shaped elastic wiring sheet are arranged above the base. A wire inlet column and a wire outlet column of the first wiring assembly are connected with a second wire, and a wire inlet column and a wire outlet column of the second wiring assembly are connected with a ninth wire. The two top ends of the U-shaped elastic lug plate are fixedly connected with the wire inlet columns of the first wiring assembly and the second wiring assembly respectively, and the bottom of the U-shaped elastic lug plate abuts against the wire outlet columns of the first wiring assembly and the second wiring assembly. And one end of the stay wire passes through the threading hole and then is fixedly connected with the bottom of the U-shaped elastic lug plate. The emergency stop device of the coal loader can control emergency stop and restart of the coal loader, assists a power line pulling worker in pulling a line to prevent the power line from being damaged, and guarantees production continuity.

Description

Technical Field

[0001] The invention relates to the technical field of coal mine production, in particular to an emergency stop device for a coal loader. Background Art

[0002] Coal loader is a common equipment for underground coal mining and shipment. Figure 1 As shown, Figure 1 This is the start and stop control circuit diagram of the coal loader. The start and stop of the coal loader are carried out by the start switch and the stop switch through the controller. The controller includes Line 1, Line 2 and Line 9. The start of the coal loader requires the connection of Lines 1, 2 and 9. The start switch is a normally open switch, and the stop switch is a normally closed switch. When the coal loader is stopped, Lines 2 and 9 remain connected. When the start switch is pressed, the power line 1 and Line 2 are connected, and the coal loader starts. When the stop switch is pressed, Lines 2 and 9 are disconnected, and the coal loader is shut down.

[0003] At present, when a coal loader is used to deliver goods underground, in order to avoid the power cord of the coal loader being crushed, a special person is required to pull the power cord of the coal loader. During the operation, due to the loud noise at the construction site, the person pulling the power cord cannot convey the shutdown signal to the coal loader driver to stop moving the coal loader or the person pulling the cable cannot pull the cable in time, causing the coal loader to frequently crush the power cord, causing damage to the power cord and further causing production interruption. Summary of the invention

[0004] Based on this, it is necessary to provide a coal loader emergency stop device to address the above technical problems, which can control the emergency stop and restart of the coal loader, assist the personnel pulling the power cord to pull the line to avoid damage to the power cord and ensure production continuity.

[0005] The present invention provides a coal loader emergency stop device, which is electrically connected between a coal loader start switch and a controller, and comprises a base fixedly connected to a coal loader beam, a protective shell fixedly connected above the base, and a pull wire;

[0006] A first wiring assembly, a second wiring assembly and a U-shaped elastic wiring piece are arranged above the base, and the first wiring assembly and the second wiring assembly each include an incoming wire post and an outgoing wire post, and the incoming wire post and the outgoing wire post are both fixedly connected to the base;

[0007] The incoming and outgoing poles of the first wiring assembly are both connected to Line 2, and the incoming and outgoing poles of the second wiring assembly are both connected to Line 9;

[0008] The two top ends of the U-shaped elastic connecting piece are respectively fixedly connected to the incoming wire posts of the first connecting assembly and the second connecting assembly, and the bottom of the U-shaped elastic connecting piece is in contact with both the outgoing wire posts of the first connecting assembly and the second connecting assembly:

[0009] A threading hole for the pull wire to pass through is arranged on the top of the protective shell, and one end of the pull wire passes through the threading hole and is fixedly connected to the bottom of the U-shaped elastic wiring piece.

[0010] In one of the embodiments, a fixing ear is provided at the bottom of the U-shaped elastic wiring piece, and one end of the pull wire is fixedly connected to the fixing ear after passing through the wire threading hole.

[0011] In one embodiment, a limiting member for limiting the deformation of the U-shaped elastic wiring piece is also provided above the base, and the limiting member is composed of a support plate and a baffle plate, the support plate is perpendicular to the base, and the baffle plate is parallel to the plane where the U-shaped elastic wiring piece is located and is located above the base of the U-shaped elastic wiring piece;

[0012] The support plate is fixedly connected to the base, and the baffle plate is fixedly connected to the support plate.

[0013] In one of the embodiments, two opposite side walls of the protective shell are provided with wiring holes for wiring the incoming wire pole and the outgoing wire pole.

[0014] The beneficial effects of the present invention are as follows: after the coal loader is started, when it is necessary to urgently stop the coal loader and pull the wire, the U-shaped elastic wiring piece can be pulled by tightening the pull wire, so that the bottom of the U-shaped elastic wiring piece is separated from the outlet column of the first wiring assembly and the second wiring assembly, thereby disconnecting Line 2 and Line 9, and realizing the emergency stop of the coal loader. After the wire puller places the power line in the appropriate position, the pull wire is released, the bottom of the U-shaped elastic wiring piece is reset, and the coal loader resumes starting. The coal loader emergency stop device of the present invention can be controlled by the power line puller to start and stop the coal loader, and assists the power line puller in pulling the line, which can prevent the power line from being crushed and damaged, affecting production continuity. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is the start and stop control circuit diagram of the coal loader;

[0016] Figure 2 It is a schematic diagram of the connection between the emergency stop device of the coal loader and the start-stop control circuit of the coal loader of the present invention;

[0017] Figure 3 It is a structural schematic diagram of the emergency stop device for a coal loader of the present invention;

[0018] Figure 4 It is a schematic diagram of the base structure of the coal loader emergency stop device of the present invention.

[0019] Explanation of the reference numerals: 100, controller; 200, coal loader emergency stop device; 210, base; 211, first wiring assembly; 212, second wiring assembly; 213, U-shaped elastic wiring piece; 214, incoming wire column; 215, outgoing wire column; 216, fixing ear; 217, limiter; 220, protective shell; 221, wire threading hole; 222, wiring hole; 230, pull wire; 300, start switch; 400, stop switch. DETAILED DESCRIPTION

[0020] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0021] It should be noted that in the description of the present invention, “upper”, “lower”, “top”, “bottom”, orientation or position relationship is based on the attached Figure 3 Regarding the orientation or positional relationship shown, it should be understood that these orientation terms are only for the convenience of describing the present invention and simplifying the description, and 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 therefore should not be understood as a limitation on the present invention.

[0022] In one embodiment, Figure 1 , Figure 2 and Figure 3 As shown, the coal loader emergency stop device 200 of this embodiment is electrically connected between the coal loader start switch 300 and the controller 100, and includes a base 210 fixedly connected to the coal loader beam, a protective shell 220 fixedly connected above the base 210, and a pull wire 230.

[0023] Specifically, the base 210 is fixed to the coal loader beam by bolts.

[0024] A first wiring assembly 211 , a second wiring assembly 212 and a U-shaped elastic wiring piece 213 are arranged above the base 210 . The first wiring assembly 211 and the second wiring assembly 212 each include an incoming terminal 214 and an outgoing terminal 215 . The incoming terminal 214 and the outgoing terminal 215 are both fixedly connected to the base 210 .

[0025] Specifically, the U-shaped elastic connecting piece 213 in this embodiment is preferably made of copper.

[0026] The incoming terminal 214 and the outgoing terminal 215 of the first wiring assembly 211 are both connected to line 2, and the incoming terminal 214 and the outgoing terminal 215 of the second wiring assembly 212 are both connected to line 9; the two top ends of the U-shaped elastic wiring piece 213 are respectively fixedly connected to the incoming terminal 214 of the first wiring assembly 211 and the second wiring assembly 212, and the bottom of the U-shaped elastic wiring piece 213 is abutted against the outgoing terminal 215 of the first wiring assembly 211 and the second wiring assembly 212.

[0027] The top of the protective shell 220 is provided with a threading hole 221 for the wire 230 to pass through, and one end of the wire 230 passes through the threading hole 221 and is fixedly connected to the bottom of the U-shaped elastic wiring piece 213. The two opposite side walls of the protective shell 220 are provided with wiring holes 222 for wiring the incoming wire post 214 and the outgoing wire post 215.

[0028] After the coal loader is started, when it is necessary to stop the coal loader urgently and pull the wire, the U-shaped elastic wiring piece 213 can be pulled by tightening the wire 230, so that the bottom of the U-shaped elastic wiring piece 213 is separated from the outlet column 215 of the first wiring assembly 211 and the second wiring assembly 212, thereby disconnecting the connection between Line 2 and Line 9, and realizing the emergency stop of the coal loader. After the wire puller places the power line in a suitable position, the wire 230 is released, the bottom of the U-shaped elastic wiring piece 213 is reset, and the coal loader resumes starting.

[0029] In addition, a pulley can be fixed in the center of the threading hole 221. After the pull wire 230 is wrapped around the pulley, it is fixedly connected to the bottom of the U-shaped elastic wiring piece 213. The pulley can avoid the friction between the pull wire 230 and the threading hole 221, reduce the pulling force of the pull wire 230 during emergency stop, and make it easier for the wire pulling personnel.

[0030] The coal loader emergency stop device 200 of the present embodiment can enable the personnel pulling the power cord to autonomously control the start and stop of the coal loader, thereby avoiding damage to the power cord due to untimely pulling of the cord, which affects production continuity.

[0031] In one embodiment, a fixing ear 216 is provided at the bottom of the U-shaped elastic wiring piece 213, and one end of the pull wire 230 is fixedly connected to the fixing ear 216 after passing through the threading hole 221. The fixing ear 216 is used to facilitate the connection between the pull wire 230 and the U-shaped elastic wiring piece 213.

[0032] In one of the embodiments, a limit member 217 for limiting the deformation of the U-shaped elastic wiring piece 213 is also provided above the base 210. The limit member 217 is composed of a support plate and a baffle plate. The support plate is perpendicular to the base 210, and the baffle plate is parallel to the plane where the U-shaped elastic wiring piece 213 is located and is located above the base 210 of the U-shaped elastic wiring piece 213; the support plate is fixedly connected to the base 210, and the baffle plate is fixedly connected to the support plate.

[0033] The function of the limiting plate is to prevent the pull wire 230 from being too long and causing the U-shaped elastic connecting piece 213 to be damaged.

[0034] The above-mentioned embodiments only express several implementation methods of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the present invention. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the attached claims.

Claims

1. A coal loader emergency stop device, characterized in that: The device is electrically connected between a coal loader start switch (300) and a controller (100), and comprises a base (210) fixedly connected to a beam of the coal loader, a protective shell (220) fixedly connected above the base (210), and a pull wire (230); A first wiring assembly (211), a second wiring assembly (212) and a U-shaped elastic wiring piece (213) are arranged above the base (210); the first wiring assembly (211) and the second wiring assembly (212) each include an incoming wire post (214) and an outgoing wire post (215); the incoming wire post (214) and the outgoing wire post (215) are both fixedly connected to the base (210); The incoming terminal (214) and the outgoing terminal (215) of the first wiring assembly (211) are both connected to line 2, and the incoming terminal (214) and the outgoing terminal (215) of the second wiring assembly (212) are both connected to line 9; The two top ends of the U-shaped elastic connecting piece (213) are respectively fixedly connected to the incoming wire posts (214) of the first connecting assembly (211) and the second connecting assembly (212), and the bottom of the U-shaped elastic connecting piece (213) is in contact with the outgoing wire posts (215) of the first connecting assembly (211) and the second connecting assembly (212). The top of the protective shell (220) is provided with a threading hole (221) for the pull wire (230) to pass through, and one end of the pull wire (230) passes through the threading hole (221) and is fixedly connected to the bottom of the U-shaped elastic wiring piece (213).

2. The coal loader emergency stop device according to claim 1, characterized in that: A fixing ear (216) is provided at the bottom of the U-shaped elastic wiring piece (213), and one end of the pull wire (230) is fixedly connected to the fixing ear (216) after passing through the wire threading hole (221).

3. The coal loader emergency stop device according to claim 2, characterized in that: A limiting member (217) for limiting the deformation of the U-shaped elastic connecting piece (213) is also provided above the base (210); the limiting member (217) is composed of a support plate and a baffle plate; the support plate is perpendicular to the base (210); the baffle plate is parallel to the plane where the U-shaped elastic connecting piece (213) is located and is located above the base (210) of the U-shaped elastic connecting piece (213); The support plate is fixedly connected to the base (210), and the baffle is fixedly connected to the support plate.

4. The coal loader emergency stop device according to claim 3, characterized in that: Two opposite side walls of the protective shell (220) are provided with wiring holes (222) for wiring the incoming wire post (214) and the outgoing wire post (215).

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