Electrical cabinet for engineering machinery

Abstract

The utility model relates to the technical field of electrical cabinets, and discloses an electrical cabinet for engineering machinery, which comprises an electrical cabinet main body, the inner wall of the electrical cabinet main body is fixedly provided with a mounting plate, the front surface of the mounting plate is provided with a chute, the inner wall of the chute is movably provided with a movable block, and the front surface of the movable block is provided with a groove. A groove is formed in the mounting plate, a first spring is fixedly mounted on the inner wall of the groove, a limiting arc plate is movably mounted on the inner wall of the groove, and a second spring is fixedly mounted on the surface, adjacent to the fixed plate, of the movable plate, and the mounting plate, the sliding groove, the movable block, the groove, the first spring, the limiting arc plate, the movable plate, the fixed plate, a limiting column, the second spring and a limiting hole are arranged in a matched mode; according to the electric wire limiting device, the effect that the same number of electric wire limiting devices can be installed according to needs is achieved, resources are saved, meanwhile, the electric wires are limited and prevented from moving, the electric wires are inserted more stably and are not prone to loosening and falling off, and safety is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric cabinets, in particular to an electric cabinet for engineering machinery. Background Art

[0002] Electrical cabinets are made of steel and are used to protect the normal operation of components. Electrical cabinets are generally made of hot-rolled steel plates and cold-rolled steel plates. Cold-rolled steel plates are softer than hot-rolled steel plates and are more suitable for the production of electrical cabinets. Electrical cabinets are widely used in the chemical industry, environmental protection industry, power system, metallurgical system, industry, nuclear power industry, fire safety monitoring, transportation industry, etc.

[0003] During the use of electrical cabinets, it is usually necessary to connect multiple wires. However, the existing devices allow the wires to be scattered in the electrical cabinet, which will cause the plug to loosen and fall off when the maintenance personnel pull the wires during maintenance. At the same time, the number of relays in the electrical cabinet is often different, but the device for limiting the wires is often a fixed number. Sometimes, fewer relays will lead to waste of devices. Therefore, there is a need for an electrical cabinet that can not only limit the wires, but also set the same number of wire limiting devices according to the number of relays in the electrical cabinet. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides an electrical cabinet for engineering machinery to solve the problems mentioned in the above background technology that the wires cannot be limited and the same number of wire limiting devices are set according to the number of relays in the electrical cabinet, which causes the joints to easily fall off and waste resources.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an electrical cabinet for engineering machinery, comprising an electrical cabinet body, a mounting plate fixedly installed on the inner wall of the electrical cabinet body, a slide groove is provided on the front surface of the mounting plate, a movable block is movably installed on the inner wall of the slide groove, a groove is provided on the front surface of the movable block, a first spring is fixedly installed on the inner wall of the groove, a limiting arc plate is movably installed on the inner wall of the groove, a movable plate is movably installed on the upper surface of the movable block, a fixed plate is fixedly installed on the upper surface of the movable block, a limiting column is movably installed in the middle part of the fixed plate, a second spring is fixedly installed on the surface adjacent to the movable plate and the fixed plate, and a limiting hole is provided on the front surface of the mounting plate.

[0006] Preferably, a relay is movably mounted on the inner wall of the electrical cabinet body, a socket is provided on the lower surface of the relay, a plug head is movably mounted on the inner wall of the socket, a third spring is fixedly mounted on the inner wall of the socket, and a base plate is fixedly mounted on the outer surface of the plug head.

[0007] Preferably, a movable door is hingedly connected to the front surface of the electrical cabinet body, and threaded plates are fixedly mounted on the upper and lower surfaces of the electrical cabinet body.

[0008] Preferably, the front end of the first spring is fixedly connected to the rear surface of the limiting arc plate, the sizes of the limiting column and the limiting hole match each other, the rear end of the limiting column is fixedly connected to the front surface of the movable plate, and a movable plug is movably installed at the right end of the slide groove.

[0009] Preferably, the third spring is made of shape memory alloy, the front end of the third spring is fixedly connected to the rear surface of the bottom plate, and the lower end of the plug is provided with an electric wire.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] 1. The electrical cabinet for engineering machinery achieves the effect of being able to install the same number of limiting devices for electric wires as needed through the coordinated arrangement of the mounting plate, the slide groove, the movable block, the groove, the first spring, the limiting arc plate, the movable plate, the fixed plate, the limiting column, the second spring, and the limiting hole, thereby saving resources and limiting the electric wires to prevent them from moving, so that the electric wires are more stable when inserted and are not easy to loosen and fall off, thereby improving safety.

[0012] 2. The electrical cabinet for construction machinery, through the coordinated arrangement of relays, sockets, plug heads and the third spring, can achieve the effect of automatically cutting off power when the device leaks electricity, thereby avoiding leakage when the staff are performing maintenance, thereby causing damage to the staff's body. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the front elevation structure of the utility model;

[0014] Figure 2 It is a schematic diagram of the three-dimensional structure of the movable block of the utility model;

[0015] Figure 3 This is a schematic diagram of the internal three-dimensional structure of the electrical cabinet of the utility model;

[0016] Figure 4 This is a schematic diagram of the cross-sectional three-dimensional structure of the utility model relay;

[0017] Figure 5 It is a schematic diagram of the cross-sectional three-dimensional structure of the movable block of the utility model.

[0018] In the figure: 1. electrical cabinet body; 2. mounting plate; 3. slide groove; 4. movable block; 5. groove; 6. first spring; 7. limit arc plate; 8. movable plate; 9. fixed plate; 10. limit column; 11. second spring; 12. limit hole; 13. relay; 14. socket; 15. plug head; 16. third spring; 17. bottom plate; 18. movable door; 19. threaded plate. DETAILED DESCRIPTION

[0019] 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.

[0020] Embodiment 1:

[0021] Please refer to Figure 1-5 An electrical cabinet for engineering machinery comprises an electrical cabinet body 1, a mounting plate 2 is fixedly installed on the inner wall of the electrical cabinet body 1, a slide groove 3 is provided on the front surface of the mounting plate 2, a movable block 4 is movably installed on the inner wall of the slide groove 3, a groove 5 is provided on the front surface of the movable block 4, a first spring 6 is fixedly installed on the inner wall of the groove 5, a limited arc plate 7 is movably installed on the inner wall of the groove 5, a movable plate 8 is movably installed on the upper surface of the movable block 4, a fixed plate 9 is fixedly installed on the upper surface of the movable block 4, and a limited arc plate 9 is movably installed in the middle of the fixed plate 9 The second spring 11 is fixedly installed on the surface adjacent to the column 10, the movable plate 8 and the fixed plate 9, a limiting hole 12 is provided on the front surface of the mounting plate 2, a movable door 18 is hingedly connected to the front surface of the electrical cabinet body 1, and a threaded plate 19 is fixedly installed on the upper and lower surfaces of the electrical cabinet body 1. The front end of the first spring 6 is fixedly connected to the rear surface of the limiting arc plate 7, the size of the limiting column 10 and the limiting hole 12 match each other, the rear end of the limiting column 10 is fixedly connected to the front surface of the movable plate 8, and a movable plug is movably installed on the right end of the slide groove 3.

[0022] In this embodiment: a first spring 6 is fixedly mounted on the inner wall of the groove 5 .

[0023] Specifically: each groove 5 is provided with a spring, and there are four grooves 5 in total.

[0024] In this embodiment: a limiting column 10 is movably installed in the middle of the fixed plate 9, and a second spring 11 is fixedly installed on the adjacent surfaces of the movable plate 8 and the fixed plate 9.

[0025] Specifically, the second spring 11 is sleeved on the outer surface of the limiting column 10 .

[0026] In this embodiment: threaded plates 19 are fixedly mounted on the upper and lower surfaces of the electrical cabinet body 1 .

[0027] Specifically: a threaded hole is provided in the middle of the threaded plate 19 .

[0028] Working principle: when it is necessary to limit the wires connected to the relay 13, first open the movable plug, then install the required movable block 4 according to the number of installed relays 13, and when installing the movable block 4, pull the limit column 10 in advance, and the limit column 10 moves backward, thereby driving the movable plate 8 to move backward and squeezing the second spring 11 at the same time, and when the limit column 10 does not affect the installation of the movable block 4 into the slide groove 3, install the movable block 4 into the inner wall of the slide groove 3, move it to the bottom of the corresponding relay 13, and then release the limit column 10. Under the action of its own resilience, the second spring 11 pushes the movable plate 8 and the limit column 10 to reset, thereby pushing the limit column 10 into the inside of the limit hole 12 to prevent the movable block 4 from moving left Move right, after completing the installation, pull the limiting arc plate 7, the first spring 6 is in a stretched state, after the limiting arc plate 7 is away from the surface of the movable block 4, put the wire extending from the relay 13 between the limiting arc plate 7 and the movable block 4, slowly release the limiting arc plate 7, the first spring 6 pulls the limiting arc plate 7 to move toward the movable block 4 due to its own resilience, thereby clamping the wire. Compared with the related art, the electrical cabinet for engineering machinery provided by the utility model has the following beneficial effects: the design can achieve the effect of installing the same number of limiting devices for the wires as needed, saving resources, and at the same time limiting the wires to prevent them from moving, so that the wires are more stable when inserted, not easy to loosen and fall off, thereby improving safety.

[0029] Embodiment 2:

[0030] Please refer to Figure 1-5 A relay 13 is movably mounted on the inner wall of the electrical cabinet body 1, a socket 14 is provided on the lower surface of the relay 13, a plug head 15 is movably mounted on the inner wall of the socket 14, a third spring 16 is fixedly mounted on the inner wall of the socket 14, a bottom plate 17 is fixedly mounted on the outer surface of the plug head 15, the third spring 16 is made of shape memory alloy, the front end of the third spring 16 is fixedly connected to the rear surface of the bottom plate 17, and an electric wire is arranged at the lower end of the plug head 15.

[0031] In this embodiment: a plug hole 14 is provided on the lower surface of the relay 13 , and a plug connector 15 is movably mounted on the inner wall of the plug hole 14 .

[0032] Specifically: the connection between the jack 14 and the plug head 15 is an existing structure, which will not be described again, but the two are movably connected, not fixedly connected.

[0033] In this embodiment: the third spring 16 is made of shape memory alloy.

[0034] Specifically: Shape memory alloy is an existing material.

[0035] Working principle: When the equipment starts to leak electricity, the temperature of the socket 14 at the plug head 15 begins to rise and reaches the specified temperature. The third spring 16 is deformed by the "memory" function of the memory alloy, and the length of the third spring 16 is extended. When the length of the third spring 16 is extended, the bottom plate 17 and the top of the plug head 15 are pushed away from the socket 14. When the top of the plug head 15 is not in contact with the inner wall of the socket 14, the power is cut off. At this time, the equipment will not leak electricity. The temperature at the socket 14 and the plug head 15 begins to drop, and the "memory" function of the third spring 16 continues to deform, and the third spring 16 contracts, thereby pushing the plug head 15 to reconnect to the inner wall of the socket 14 to complete the power-on. Compared with the related art, the electrical cabinet for engineering machinery provided by the utility model has the following beneficial effects: the design can achieve the effect of automatic power-off when the device leaks electricity, thereby avoiding leakage when the staff is performing maintenance, thereby causing damage to the staff's body.

[0036] The controller is an existing structure, and the control circuit can be implemented through simple programming by technicians in this field. It belongs to the common knowledge in this field. It is only used without modification, so the control method and circuit connection are not described in detail.

[0037] The above-mentioned equipment is used in different ways for each device. It is selected and used according to actual conditions, and various parameters are referred to, in accordance with the functions of the equipment used and the effects achieved.

[0038] 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. An electrical cabinet for construction machinery, comprising an electrical cabinet body (1), characterized in that: The inner wall of the electrical cabinet body (1) is fixedly mounted with a mounting plate (2), the front surface of the mounting plate (2) is provided with a slide groove (3), the inner wall of the slide groove (3) is movably mounted with a movable block (4), the front surface of the movable block (4) is provided with a groove (5), the inner wall of the groove (5) is fixedly mounted with a first spring (6), the inner wall of the groove (5) is movably mounted with a limiting arc plate (7), the upper surface of the movable block (4) is movably mounted with a movable plate (8), the upper surface of the movable block (4) is fixedly mounted with a fixed plate (9), a limiting column (10) is movably mounted in the middle of the fixed plate (9), a second spring (11) is fixedly mounted on the surface adjacent to the movable plate (8) and the fixed plate (9), and a limiting hole (12) is provided on the front surface of the mounting plate (2).

2. The electrical cabinet for construction machinery according to claim 1, characterized in that: A relay (13) is movably mounted on the inner wall of the electrical cabinet body (1), a socket (14) is provided on the lower surface of the relay (13), a plug head (15) is movably mounted on the inner wall of the socket (14), a third spring (16) is fixedly mounted on the inner wall of the socket (14), and a base plate (17) is fixedly mounted on the outer surface of the plug head (15).

3. The electrical cabinet for construction machinery according to claim 1, characterized in that: A movable door (18) is hingedly connected to the front surface of the electrical cabinet body (1), and threaded plates (19) are fixedly mounted on the upper and lower surfaces of the electrical cabinet body (1).

4. The electrical cabinet for construction machinery according to claim 1, characterized in that: The front end of the first spring (6) is fixedly connected to the rear surface of the limiting arc plate (7), the sizes of the limiting column (10) and the limiting hole (12) match each other, the rear end of the limiting column (10) is fixedly connected to the front surface of the movable plate (8), and a movable plug is movably installed at the right end of the slide groove (3).

5. The electrical cabinet for construction machinery according to claim 2, characterized in that: The material of the third spring (16) is shape memory alloy, the front end of the third spring (16) is fixedly connected to the rear surface of the bottom plate (17), and the lower end of the plug head (15) is provided with an electric wire.

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