Locomotive high-voltage safety interlocking protection device

Abstract

The utility model discloses a locomotive high-voltage safety interlocking protection device which comprises a fixed base and a safety interlocking protection box, an installation mechanism is fixedly installed on the upper portion of the inner wall of the fixed base, and the safety interlocking protection box is fixedly installed on the upper portion of the outer wall of the fixed base. Button mechanisms used for installation are arranged on the two sides of the front portion of the inner wall of the safety interlocking protection box correspondingly, and conductive mechanisms are connected and installed on the two sides of the inner wall of the fixed base correspondingly. According to the locomotive high-voltage safety interlocking protection device, by arranging the button mechanism, the sensitivity of the safety interlocking protection device during triggering can be guaranteed, and meanwhile when a button piece is pressed down, a triggering block can make contact with the interior of the safety interlocking protection device in time.

Description

Technical Field

[0001] The utility model relates to the technical field related to interlocking protection, in particular to a locomotive high-voltage safety interlocking protection device. Background Art

[0002] Interlock protection refers to a system that can automatically stop or reverse the operation of a production device or equipment, or cut off the relevant dangerous source, or sound an alarm through a buzzer, sound and light alarm, etc., when a physical quantity changes, such as pressure, temperature, resistance, concentration, distance, liquid level and other quantitative parameters exceed the limit value, so as to prevent the occurrence of failures or accidents. Some places call it chain protection, which is inappropriate. The "lian" in interlock protection means linkage and combination. The current safety interlock protection device is often used in locomotive operation.

[0003] The currently used high-voltage safety interlock protection device is not convenient for timely high-voltage discharge processing when in use, and the safety interlock protection device has low sensitivity when triggered. Utility Model Content

[0004] The purpose of the utility model is to provide a locomotive high-voltage safety interlock protection device to solve the problem that the currently used high-voltage safety interlock protection device proposed in the above-mentioned background technology is not convenient for timely high-voltage discharge processing of the safety interlock protection device when in use, and the safety interlock protection device has low sensitivity when triggered.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a locomotive high-voltage safety interlock protection device, comprising a fixed base and a safety interlock protection box, a mounting mechanism is fixedly installed on the upper inner wall of the fixed base, the safety interlock protection box is fixedly installed on the upper outer wall of the fixed base, button mechanisms for installation are provided on both sides of the front of the inner wall of the safety interlock protection box, conductive mechanisms are connected and installed on both sides of the inner wall of the fixed base, and wiring harness mechanisms are connected and installed on both sides of the lower front of the outer wall of the safety interlock protection box.

[0006] Preferably, the mounting mechanism includes a positioning plate, an insert block, a threaded groove and a threaded rod, the positioning plate is fixedly mounted behind the outer wall of the fixed base, insert blocks are inserted and installed on both sides of the inner wall of the fixed base, threaded grooves are opened on both sides of the inner wall of the positioning plate, and the inner wall of the threaded groove is provided with a threaded rod of matching size.

[0007] Preferably, the threaded rod is threadably connected to the positioning plate via a threaded groove, and the threaded rod is symmetrically arranged with respect to the central axis of the positioning plate.

[0008] Preferably, the button mechanism includes a connecting plate, a connecting rod, a reset spring, a limiting groove, an insert rod, an external ring, a trigger block and a button sheet, the connecting plates are fixedly installed in front of the inner wall of the fixed base, connecting rods are connected and installed on both sides of the front of the outer wall of the connecting plate, a reset spring is fixedly installed on the outer surface of the connecting rod, a limiting groove is opened in the center of the inner wall of the connecting plate, the inner wall of the limiting groove is provided with an insert rod of matching size, the outer surface of the insert rod is provided with an external ring of matching size, a trigger block is installed on the rear of one side of the outer wall of the external ring, and a button sheet is connected and installed in front of the outer wall of the insert rod.

[0009] Preferably, the button sheet forms a telescopic structure with the connecting plate through a return spring, and the outer wall of the return spring is tightly fitted with the inner wall of the button sheet.

[0010] Preferably, the conductive mechanism includes a metal plate, a metal connector, a conductor, a grounding wire and a conductive clip. The metal plates are fixedly installed on the upper and lower inner walls of the safety interlock protection box, and metal connectors are installed on the upper and lower sides of one side of the outer wall of the metal plate. A conductor is fixedly installed on one side of the outer wall of the metal connector, and a grounding wire is connected and installed on one side of the outer wall of the conductor. A conductive clip for installation is provided on one side of the grounding wire.

[0011] Preferably, the wiring harness mechanism includes a fixed shaft, a connecting plate, and a wiring harness groove. The fixed shafts are connected and installed on both sides of the lower front of the outer wall of the safety interlock protection box. A connecting plate of matching size is provided in front of the outer wall of the fixed shaft, and wiring harness grooves are opened on both sides of the inner wall of the connecting plate.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The locomotive high-voltage safety interlock protection device is provided with a button mechanism, so that the sensitivity of the safety interlock protection device when it is triggered can be ensured, and when the button sheet is pressed, the trigger block can timely contact the inside of the safety interlock protection device;

[0014] 2. The locomotive high-voltage safety interlock protection device is provided with a conductive mechanism so that the safety interlock protection device can be discharged, and an installation mechanism is provided so that the safety interlock protection device can be fixedly installed on the corresponding position of the locomotive, and a wire bundling mechanism is provided so that the wires under the safety interlock protection device can be bundled, so that the wire ends of the protective device and the safety interlock protection device can be combed. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0016] Figure 2This is a schematic diagram of the button mechanism structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the conductive mechanism structure of the utility model;

[0018] Figure 4 This is a schematic diagram of the installation mechanism structure of the utility model;

[0019] Figure 5 This is a schematic diagram of the wiring harness structure of the utility model.

[0020] In the figure: 1. fixed base; 2. installation mechanism; 201. positioning plate; 202. plug-in block; 203. threaded groove; 204. threaded rod; 3. safety interlock protection box; 4. button mechanism; 401. connecting plate; 402. connecting rod; 403. reset spring; 404. limiting groove; 405. plug-in rod; 406. external ring; 407. trigger block; 408. button sheet; 5. conductive mechanism; 501. metal plate; 502. metal connecting piece; 503. conductor; 504. grounding wire; 505. conductive clip; 6. wire harness mechanism; 601. fixed shaft; 602. connecting plate; 603. wire harness groove. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-5 The utility model provides a technical solution: a locomotive high-voltage safety interlock protection device, including a fixed base 1 and a safety interlock protection box 3, a mounting mechanism 2 is fixedly installed on the upper inner wall of the fixed base 1, the mounting mechanism 2 includes a positioning plate 201, an insert block 202, a threaded groove 203 and a threaded rod 204, the positioning plate 201 is fixedly installed behind the outer wall of the fixed base 1, the insert blocks 202 are inserted and installed on both sides of the inner wall of the fixed base 1, the inner wall of the positioning plate 201 is provided with threaded grooves 203 on both sides, and the inner wall of the threaded groove 203 is provided with a ruler The threaded rod 204 with matching size is convenient for installing the safety interlock protection device. The plug block 202 is inserted into the inner wall of the fixed base 1, and the threaded rod 204 is rotated to rotate in the inner wall of the thread groove 203, so that the fixed base 1 can be fixedly installed at the corresponding position of the locomotive. The threaded rod 204 is threadedly connected with the positioning plate 201 through the thread groove 203, and the threaded rod 204 is symmetrically arranged with the central axis of the positioning plate 201, so that the fixed base 1 can be directly connected and fixed to the corresponding position of the locomotive;

[0023] The safety interlock protection box 3 is fixedly installed on the upper outer wall of the fixed base 1, and button mechanisms 4 for installation are provided on both sides of the front inner wall of the safety interlock protection box 3. The button mechanisms 4 include a connecting plate 401, a connecting rod 402, a reset spring 403, a limiting groove 404, an insert rod 405, an external ring 406, a trigger block 407 and a button sheet 408. The connecting plates 401 are fixedly installed on the front inner wall of the fixed base 1, and connecting rods 402 are connected and installed on both sides of the front outer wall of the connecting plate 401. A reset spring 403 is fixedly installed on the outer surface of the connecting rod 402. A limiting groove 404 is provided in the center of the inner wall of the connecting plate 401, and an insert rod 405 of matching size is provided on the inner wall of the limiting groove 404. An external ring 406 of matching size is provided on the outer surface of the insert rod 405, and a trigger block 407 is installed on the rear side of the outer wall of the external ring 406. , a button piece 408 is connected and installed in front of the outer wall of the plug rod 405. Pressing the button piece 408 squeezes the reset spring 403, and at the same time, it can drive the outer ring 406 under the plug rod 405 to move up and down. At the same time, the trigger block 407 can trigger the inside of the safety interlock protection device, and the plug rod 405 moves in the inner wall of the limit groove 404, which is convenient for replacing the button piece 408 and preventing the safety interlock protection device from malfunctioning during use, thereby ensuring the sensitivity of the safety interlock protection device when triggered. The button piece 408 forms a telescopic structure with the connecting plate 401 through the reset spring 403, and the outer wall of the reset spring 403 is tightly fitted with the inner wall of the button piece 408, which can enhance the stability of the button piece 408 when in use and prevent it from shaking left and right;

[0024] Conductive mechanisms 5 are connected and installed on both sides of the inner wall of the fixed base 1, and the conductive mechanism 5 includes a metal plate 501, a metal contact piece 502, a conductor 503, a grounding wire 504 and a conductive clip 505. The metal plates 501 are fixedly installed on the upper and lower inner walls of the safety interlock protection box 3, and metal contacts 502 are installed on the upper and lower sides of the outer wall of the metal plate 501. A conductor 503 is fixedly installed on one side of the outer wall of the metal contact piece 502, and a grounding wire 504 is connected and installed on one side of the outer wall of the conductor 503. A conductive clip 505 for installation is provided on one side of the grounding wire 504, and the metal contact piece 502 on the conductor 503 is clamped at the upper and lower sides of the metal plate 501. At the same time, the conductive clip 505 connected to the grounding wire 504 is connected to the discharge position, so that the safety interlock protection device can be discharged.

[0025] A wire harness mechanism 6 is installed on both sides of the lower front of the outer wall of the safety interlock protection box 3. The wire harness mechanism 6 includes a fixed shaft 601, a connecting disk 602, and a wire harness groove 603. The fixed shaft 601 is installed on both sides of the lower front of the outer wall of the safety interlock protection box 3. A connecting disk 602 of matching size is provided in front of the outer wall of the fixed shaft 601. Wire harness grooves 603 are opened on both sides of the inner wall of the connecting disk 602. When installing the safety interlock protection device, the wire ends to be protected are inserted into the wire harness grooves 603 opened on the inner wall of the connecting disk 602, so that the wire ends of the device to be protected can be combed.

[0026] Working principle: First, place the device at the designated position. The installation mechanism 2 is convenient for installing the safety interlock protection device. Insert the plug block 202 into the inner wall of the fixed base 1, rotate the threaded rod 204 to make it rotate in the inner wall of the threaded groove 203, so that the fixed base 1 and the corresponding position of the locomotive can be fixed and installed. Clamp the metal contact piece 502 on the conductor 503 at the upper and lower sides of the metal plate 501, and at the same time, the conductive clip 505 connected to the grounding wire 504 is connected to the discharge position, so that the safety interlock protection device can be discharged. Press the button piece 408 to squeeze the reset spring 403, and at the same time, it can drive the plug block 202 to rotate in the inner wall of the threaded groove 203. The outer ring 406 below the rod 405 moves up and down, and the trigger block 407 can trigger the inside of the safety interlock protection device. At the same time, the insertion rod 405 moves in the inner wall of the limit groove 404, which is convenient for replacing the button piece 408 and preventing the safety interlock protection device from malfunctioning during use, thereby ensuring the sensitivity of the safety interlock protection device when it is triggered. When installing the safety interlock protection device, the wire ends to be protected are inserted into the wire harness groove 603 opened on the inner wall of the connecting disk 602, so that the wire ends of the device to be protected can be combed, thus completing the operation process of a locomotive high-voltage safety interlock protection device.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A locomotive high voltage safety interlock protection device, characterized in that: The invention comprises a fixed base (1) and a safety interlock protection box (3), wherein a mounting mechanism (2) is fixedly mounted on the upper part of the inner wall of the fixed base (1), the safety interlock protection box (3) is fixedly mounted on the upper part of the outer wall of the fixed base (1), button mechanisms (4) for mounting are provided on both sides of the front of the inner wall of the safety interlock protection box (3), conductive mechanisms (5) are connected and mounted on both sides of the inner wall of the fixed base (1), and wiring mechanisms (6) are connected and mounted on both sides of the lower front of the outer wall of the safety interlock protection box (3).

2. A locomotive high voltage safety interlock protection device according to claim 1, characterized in that: The mounting mechanism (2) comprises a positioning plate (201), an insert block (202), a threaded groove (203) and a threaded rod (204); the positioning plate (201) is fixedly mounted behind the outer wall of the fixed base (1); the insert blocks (202) are inserted and mounted on both sides of the inner wall of the fixed base (1); the threaded grooves (203) are provided on both sides of the inner wall of the positioning plate (201); and the inner wall of the threaded groove (203) is provided with a threaded rod (204) of matching size.

3. A locomotive high voltage safety interlock protection device according to claim 2, characterized in that: The threaded rod (204) is threadedly connected to the positioning plate (201) via a threaded groove (203), and the threaded rod (204) is symmetrically arranged with respect to the central axis of the positioning plate (201).

4. A locomotive high voltage safety interlock protection device according to claim 1, characterized in that: The button mechanism (4) comprises a connecting plate (401), a connecting rod (402), a reset spring (403), a limiting groove (404), an insert rod (405), an external connecting ring (406), a trigger block (407) and a button sheet (408); the connecting plate (401) is fixedly mounted in front of the inner wall of the fixed base (1); connecting rods (402) are connected and mounted on both sides of the front of the outer wall of the connecting plate (401); and the outer surface of the connecting rod (402) A return spring (403) is fixedly installed, a limiting groove (404) is provided at the center of the inner wall of the connecting plate (401), an insertion rod (405) of matching size is provided on the inner wall of the limiting groove (404), an outer connecting ring (406) of matching size is provided on the outer surface of the insertion rod (405), a trigger block (407) is installed at the rear of one side of the outer wall of the outer connecting ring (406), and a button sheet (408) is connected and installed at the front of the outer wall of the insertion rod (405).

5. A locomotive high voltage safety interlock protection device according to claim 4, characterized in that: The button sheet (408) forms a telescopic structure with the connection plate (401) through the return spring (403), and the outer wall of the return spring (403) is tightly fitted with the inner wall of the button sheet (408).

6. A locomotive high voltage safety interlock protection device according to claim 1, characterized in that: The conductive mechanism (5) comprises a metal plate (501), a metal contact piece (502), a conductor (503), a grounding wire (504) and a conductive clip (505); the metal plates (501) are fixedly mounted on the upper and lower inner walls of the safety interlock protection box (3); the metal contact pieces (502) are mounted on the upper and lower outer walls of one side of the metal plate (501); the conductor (503) is fixedly mounted on the outer wall of one side of the metal contact piece (502); the grounding wire (504) is connected and mounted on the outer wall of one side of the conductor (503); and a conductive clip (505) for mounting is provided on one side of the grounding wire (504).

7. A locomotive high voltage safety interlock protection device according to claim 1, characterized in that: The wire harness mechanism (6) comprises a fixed shaft (601), a connecting plate (602), and a wire harness groove (603); the fixed shaft (601) is connected and installed on both sides of the lower front of the outer wall of the safety interlock protection box (3); a connecting plate (602) of matching size is provided in front of the outer wall of the fixed shaft (601); and the inner wall of the connecting plate (602) is provided with wire harness grooves (603) on both sides.

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