Locomotive air compressor high-temperature fusing protection device

Abstract

The utility model relates to the technical field of fusing protection, and discloses a locomotive air compressor high-temperature fusing protection device which comprises a shell assembly, and a fusing assembly is arranged in the shell assembly. The shell assembly comprises an insulating base and an insulating shell, four fixing columns are fixedly connected to the top of the insulating base, a sliding groove is formed in the end, close to the insulating shell, of each fixing column, and a sliding block is arranged in each sliding groove in a sliding mode; the side, away from the insulating shell, of each fixing column is provided with an insertion hole, a pull rod is inserted into each insertion hole, the end, close to the insulating shell, of each pull rod is fixedly connected with a sliding block through the corresponding insertion hole, and the surface of each pull rod is sleeved with a first spring. The front side and the rear side of the insulating shell are respectively provided with a plurality of clamping grooves. According to the high-temperature fusing protection device for the locomotive air compressor, mounting and dismounting of the insulating shell are greatly facilitated, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fuse protection, in particular to a high-temperature fuse protection device for a locomotive air compressor. Background Art

[0002] During the operation of the locomotive air compressor, the internal temperature may be too high due to various reasons. In serious cases, it may damage the equipment or even cause safety hazards. The existing high temperature protection measures for locomotive air compressors mostly rely on the fuse mechanism.

[0003] Chinese patent authorization announcement number CN 216957945 U discloses a high-voltage power distribution fuse protection device, including a base, a fuse mechanism and a housing assembly, wherein two grooves are provided on the top of the base, and a double-headed screw is rotated and penetrated between the adjacent side walls of the two grooves, one end of the double-headed screw is rotationally connected to the side wall of one of the grooves, and the other end of the double-headed screw is rotationally penetrated through the side wall of the other groove, and two sliders are provided on the threaded sleeve of the double-headed screw. By setting two insulators, the fuse mechanism is installed on the two insulators, and when installing fuse mechanisms of different specifications, the double-headed screw is rotated to make the two sliders move on the double-headed screw, so that the two sliders drive the two insulators to move, which is used to adjust the distance between the two insulators, thereby facilitating the installation of fuse mechanisms of different specifications.

[0004] However, when replacing the fuse in the above-mentioned prior art, it is necessary to use a screwdriver to rotate the second nut separately to remove the shell, which is relatively cumbersome, and the second nut is easy to be lost after being removed, affecting the installation efficiency. Therefore, a high-temperature fuse protection device for a locomotive air compressor is urgently needed. Utility Model Content

[0005] The utility model aims to provide a high-temperature fuse protection device for a locomotive air compressor to solve the problems raised in the above-mentioned background technology.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a high temperature fuse protection device for a locomotive air compressor, comprising a housing assembly, wherein a fuse assembly is arranged inside the housing assembly;

[0007] The shell assembly includes an insulating base and an insulating shell, and four fixing columns are fixedly connected to the top of the insulating base. Each of the fixing columns is provided with a slide groove at one end close to the insulating shell, and a slider is slidably arranged in the slide groove. Each of the fixing columns is provided with a socket on the side away from the insulating shell, and a pull rod is inserted in the socket. The end of the pull rod close to the insulating shell is fixedly connected to the slider through the socket, and a first spring is respectively sleeved on the surface of the pull rod. A plurality of slots are respectively provided on the front and back sides of the insulating shell.

[0008] Preferably, the four fixing columns are arranged in a rectangular array, and the plurality of slots are respectively matched with the sliders.

[0009] When the fuse in the fuse assembly is replaced, the pull rod is pulled to make the slider squeeze the first spring, so that the slider is drawn out from the slot of the insulating shell, thereby locking the insulating shell.

[0010] Preferably, the top of the slider is arc-shaped on one side close to the insulating shell, one end of the first spring is fixedly connected to the slider, and the other end of the first spring is fixedly connected to the fixing column.

[0011] Preferably, both ends of the insulating base are respectively fixedly connected with ear plates, and the ear plates are respectively provided with mounting holes.

[0012] The insulating housing is separated from the insulating base, thereby facilitating replacement of the internal fuse.

[0013] Preferably, the fuse assembly comprises two conductive plates, the bottoms of the two conductive plates are respectively fixedly connected with insulating seats, the ends of the two conductive plates away from each other are respectively fixedly connected with wiring plates, the ends of the conductive plates close to each other are respectively fixedly connected with elastic plates, and a fuse is arranged between the elastic plates.

[0014] Preferably, a mounting groove is provided on the top of the insulating base, and the left and right inner walls of the mounting groove are respectively fixedly connected to the insulating seat.

[0015] The wiring pieces are connected to the electric wires respectively through the provided wiring pieces, and the provided conductive pieces and elastic pieces play a conductive role, while the elastic pieces can play an auxiliary fixing role for the fuse.

[0016] Preferably, two sleeves are fixedly connected to the inner top of the insulating shell, the inside of the sleeves are fixedly connected to second springs, the bottoms of the second springs are fixedly connected to sliding rods, and the bottoms of the sliding rods are fixedly connected to insulating plates.

[0017] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0018] First, according to the utility model, when replacing the fuse in the fuse assembly, the pull rod is pulled to make the slider squeeze the first spring, so that the slider is pulled out from the card slot of the insulating shell, thereby locking the insulating shell and separating the insulating shell from the insulating base, thereby facilitating the replacement of the internal fuse. When installing the insulating shell, the insulating shell is lowered so that the sliders correspond to the card slots respectively, and the sliders are respectively inserted into the card slots, so that quick installation is achieved, which greatly facilitates the installation and removal of the insulating shell and improves work efficiency.

[0019] Second, the utility model provides wiring pieces that are connected to the wire lines respectively, and the conductive pieces and elastic pieces provide a conductive effect, while the elastic piece can assist in fixing the fuse. When the insulating shell is not removed, the insulating plate will contact the fuse under the action of the second spring, thereby fixing the fuse again. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the top view structure of the utility model;

[0021] Figure 2 It is a schematic diagram of the left side cutaway structure of the utility model;

[0022] Figure 3 This is a schematic diagram of the three-dimensional structure of the utility model from the left side;

[0023] Figure 4 It is a front cutaway structural schematic diagram of the utility model.

[0024] Among them: 11, insulating base; 12, insulating shell; 13, fixing column; 14, slider; 15, pull rod; 16, first spring; 17, ear plate; 21, conductive sheet; 22, insulating seat; 23, wiring piece; 24, elastic sheet; 25, fuse; 26, sleeve; 27, second spring; 28, slide rod; 29, insulating plate. DETAILED DESCRIPTION

[0025] 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.

[0026] The utility model provides the following technical solutions:

[0027] Embodiment 1

[0028] See also Figure 1 , Figure 2 , Figure 3 , a high temperature fuse protection device for a locomotive air compressor, comprising a housing assembly, wherein a fuse assembly is arranged inside the housing assembly;

[0029] The shell assembly includes an insulating base 11 and an insulating shell 12. Four fixing columns 13 are fixedly connected to the top of the insulating base 11. Each fixing column 13 is provided with a slide groove at one end close to the insulating shell 12, and a slider 14 is slidably arranged in the slide groove. Each fixing column 13 is provided with a socket on the side away from the insulating shell 12, and a pull rod 15 is inserted into the socket. The end of the pull rod 15 close to the insulating shell 12 is fixedly connected to the slider 14 through the socket, and the surface of the pull rod 15 is respectively sleeved with a first spring 16. The front and rear sides of the insulating shell 12 are respectively provided with multiple slots.

[0030] The four fixing posts 13 are arranged in a rectangular array, and the plurality of slots are respectively matched with the sliders 14 .

[0031] The top of the slider 14 is arc-shaped on one side close to the insulating housing 12 . One end of the first spring 16 is fixedly connected to the slider 14 , and the other end of the first spring 16 is fixedly connected to the fixing column 13 .

[0032] Two ends of the insulating base 11 are respectively fixedly connected with ear plates 17 , and mounting holes are respectively opened on the ear plates 17 .

[0033] Through the above technical solution, when the fuse 25 in the fuse assembly is replaced, the pull rod 15 is pulled to make the slider 14 squeeze the first spring 16, so that the slider 14 is pulled out from the slot of the insulating shell 12, thereby locking the insulating shell 12 and separating the insulating shell 12 from the insulating base 11, thereby facilitating the replacement of the internal fuse 25. When the insulating shell 12 is installed, the insulating shell 12 is downwardly moved so that the sliders 14 correspond to the slots respectively, and the sliders 14 are respectively inserted into the slots, so as to achieve quick installation, greatly facilitate the installation and disassembly of the insulating shell 12, and improve work efficiency.

[0034] Embodiment 2

[0035] See also Figure 4 On the basis of the first embodiment, it is further obtained that: the fuse assembly includes two conductive sheets 21, the bottoms of the two conductive sheets 21 are respectively fixedly connected with insulating seats 22, the ends of the two conductive sheets 21 away from each other are respectively fixedly connected with wiring sheets 23, the ends of the conductive sheets 21 close to each other are respectively fixedly connected with elastic sheets 24, and fuses 25 are arranged between the elastic sheets 24.

[0036] A mounting groove is formed on the top of the insulating base 11 , and the left and right inner walls of the mounting groove are fixedly connected to the insulating seat 22 respectively.

[0037] Two sleeves 26 are fixedly connected to the inner top of the insulating shell 12, second springs 27 are fixedly connected inside the sleeves 26, slide bars 28 are fixedly connected to the bottom of the second springs 27, and insulating plates 29 are fixedly connected to the bottom of the slide bars 28.

[0038] Through the above technical solution, the wiring pieces 23 are respectively connected to the wire lines through the provided wiring pieces 23, and the provided conductive pieces 21 and elastic pieces 24 play a conductive role, and the elastic piece 24 can play an auxiliary fixing role for the fuse 25. Through the provided insulating plate 29, when the insulating shell 12 is not removed, the insulating plate 29 will resist the fuse 25 under the action of the second spring 27, and play a fixing role for the fuse 25 again.

[0039] In actual operation, when this device is in use, it is set in the air compressor protection circuit. When the oil temperature inside the air compressor exceeds 150°C, the fuse 25 of the fuse assembly will be disconnected, and the unit will be shut down, which can protect the air compressor. When the fuse 25 needs to be replaced, the power supply is cut off, and the pull rod 15 is pulled to make the slider 14 squeeze the first spring 16, so that the slider 14 is pulled out from the slot of the insulating shell 12, thereby locking the insulating shell 12 and separating the insulating shell 12 from the insulating base 11, thereby facilitating the replacement of the internal fuse 25. After the replacement is completed, the insulating shell 12 is lowered so that the sliders 14 correspond to the slots respectively, and the sliders 14 are respectively inserted into the slots to achieve quick installation.

[0040] Although the 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 thereof, and the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A high temperature fuse protection device for a locomotive air compressor, comprising a housing assembly, characterized in that: A fuse assembly is disposed inside the housing assembly; The shell assembly comprises an insulating base (11) and an insulating shell (12), the top of the insulating base (11) is fixedly connected with four fixing columns (13), each of the fixing columns (13) is provided with a slide groove at one end close to the insulating shell (12), a slider (14) is slidably arranged in the slide groove, each of the fixing columns (13) is provided with a socket at one side away from the insulating shell (12), a pull rod (15) is inserted in the socket, one end of the pull rod (15) close to the insulating shell (12) is fixedly connected with the slider (14) through the socket, a first spring (16) is sleeved on the surface of the pull rod (15), and a plurality of slots are provided on the front and rear sides of the insulating shell (12).

2. A locomotive air compressor high temperature fuse protection device according to claim 1, characterized in that: The four fixing columns (13) are arranged in a rectangular array, and the plurality of slots are respectively adapted to the sliders (14).

3. A locomotive air compressor high temperature fuse protection device according to claim 1, characterized in that: The top of the slider (14) and one side close to the insulating housing (12) are respectively arc-shaped, one end of the first spring (16) is respectively fixedly connected to the slider (14), and the other end of the first spring (16) is respectively fixedly connected to the fixing column (13).

4. A locomotive air compressor high temperature fuse protection device according to claim 1, characterized in that: Two ends of the insulating base (11) are respectively fixedly connected with ear plates (17), and mounting holes are respectively provided on the ear plates (17).

5. A locomotive air compressor high temperature fuse protection device according to claim 1, characterized in that: The fuse assembly comprises two conductive sheets (21), the bottoms of the two conductive sheets (21) are respectively fixedly connected to insulating seats (22), the ends of the two conductive sheets (21) that are away from each other are respectively fixedly connected to wiring sheets (23), the ends of the conductive sheets (21) that are close to each other are respectively fixedly connected to elastic sheets (24), and a fuse (25) is provided between the elastic sheets (24).

6. A locomotive air compressor high temperature fuse protection device according to claim 1, characterized in that: A mounting groove is provided on the top of the insulating base (11), and the left and right inner walls of the mounting groove are respectively fixedly connected to the insulating seat (22).

7. A locomotive air compressor high temperature fuse protection device according to claim 1, characterized in that: Two sleeves (26) are fixedly connected to the inner top of the insulating shell (12), the inside of the sleeves (26) are fixedly connected to second springs (27), the bottom of the second springs (27) are fixedly connected to sliding rods (28), and the bottom of the sliding rods (28) are fixedly connected to insulating plates (29).

Images