Load box for voltage transformer detection

Abstract

The utility model relates to the technical field of voltage transformers, and provides a load box for voltage transformer detection, which comprises a load box main body, a rear plate frame and a bottom plate, the rear plate frame and the bottom plate are provided with a connection moving assembly, a rotation limiting assembly is arranged outside the rear plate frame and the bottom plate, and the rotation limiting assembly comprises a transmission groove. The transmission groove is formed in the surface of the bottom plate, a mounting plate is transversely and rotationally connected into the transmission groove, an annular groove is formed in the surface of the bottom plate, the annular groove and the bottom of the mounting plate are connected with a slideway, and a notch is formed in the surface of the bottom plate. By means of the technical scheme, the problems that in the prior art, an original load box is mostly fixed to a wall through bolts during use, when a worker needs to overhaul devices on the rear surface of the load box, the load box needs to be detached firstly, then the load box is moved by a certain distance from the wall, the use functionality of the load box is reduced, and the use cost is lowered are solved. And more convenience cannot be brought to workers.

Description

Technical Field

[0001] The utility model relates to the technical field of voltage transformers, and in particular to a load box for detecting voltage transformers. Background Art

[0002] The load box is a power detection device, which is mainly used to perform load detection and maintenance on voltage transformers. It is a tool for periodic testing and maintenance of generator sets and UPS uninterruptible power supplies. Its use avoids economic losses caused by failures in startup or initial use of standby units or power supplies, and also provides a scientific basis for the detection of the load capacity of new units. It has the characteristics of beautiful appearance, large capacity, strong stability, durability and long service life. The original load boxes are mostly fixed to the wall by bolts when in use. When the staff needs to inspect the devices on the rear surface of the load box, they need to remove it first, and then move the load box a certain distance from the wall, which reduces the functionality of the load box and cannot bring more convenience to the staff.

[0003] Therefore, improvements are made to address the above problems. Utility Model Content

[0004] The utility model provides a load box for voltage transformer detection, which solves the problem that the original load box in the related art is mostly fixed to the wall by bolts when in use. When the staff needs to inspect the components on the rear surface of the load box, it is necessary to remove the bolts first and then move the load box and the wall a certain distance, which reduces the functionality of the load box and cannot bring more convenience to the staff.

[0005] The technical solution of the utility model is as follows:

[0006] A load box body, a rear frame and a bottom plate, wherein the rear frame and the bottom plate are provided with a connecting moving assembly;

[0007] A rotation limit assembly is arranged on the rear plate frame and the outside of the bottom plate, and the rotation limit assembly includes a transmission groove, which is opened on the surface of the bottom plate, and a mounting plate is connected to the transmission groove for transverse rotation, and an annular groove is opened on the surface of the bottom plate, and a slide is connected to the bottom of the mounting plate, and a slot is opened on the surface of the bottom plate.

[0008] As a further technical solution, a plurality of fixing ears are provided on the outer surface of the base plate, a plug hole is opened on the surface of the fixing ear, an insert block is provided at the bottom of the load box body, a fixing plate is provided on the bottom surface of the fixing ear, and a fastening bolt is connected to the movable sleeve in the fixing plate.

[0009] As a further technical solution, one end of the fastening bolt is screwed into the plug block, a connecting seat is provided at the bottom of the load box body, a limiting sleeve is provided on the side surface of the rear plate frame, and the limiting sleeve is sleeved on the outside of the connecting seat.

[0010] As a further technical solution, the connecting and moving assembly includes a connecting cavity, which is opened at the bottom of the rear plate frame. A connecting column is movably connected to the connecting cavity, and a spring is connected to the outside of the connecting column. The spring is located in the connecting cavity, and a first telescopic rod is arranged at the bottom of the rear plate frame.

[0011] As a further technical solution, the output end of the first telescopic rod is connected to a lifting seat, the lifting seat is fixedly connected to the bottom of the connecting column, a second telescopic rod is arranged on the side surface of the lifting seat, the output end of the second telescopic rod is connected to the bottom plate, a circular groove is opened in the side surface of the bottom plate, a stabilizing column is arranged on the side surface of the lifting seat, and the stabilizing column is movably mounted in the circular groove.

[0012] As a further technical solution, a plurality of protrusions are arranged on the surface of the rear plate frame, and mounting holes are provided on the rear plate frame and the protrusions.

[0013] As a further technical solution, a pair of fans are installed on the surface of the rear frame.

[0014] As a further technical solution, a certain gap is left between the back side of the load box body and the rear plate frame.

[0015] The working principle and beneficial effects of the utility model are:

[0016] 1. The utility model is provided with a rotation limit assembly. Through the interaction of structures such as the transmission groove, the mounting plate, the fixing ear, the plug block and the fixing bolt, the load box body can be rotated in the transmission groove through the mounting plate, so that the load box body can be horizontally rotated to any angle when maintenance is required, which is more convenient for maintenance personnel to operate, saves a lot of disassembly time, improves work efficiency, and has good use effect and practicality.

[0017] 2. The utility model is provided with a connecting moving assembly, through the interaction of the first telescopic rod, the lifting seat and the second telescopic rod and other structures, the lifting height of the load box body can be controlled, as well as the lateral outward movement, so as to increase the distance between the load box body and the wall and the rear frame, thereby further improving the convenience of operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 This is the axonometric drawing of the utility model;

[0021] Figure 3 This is an axonometric drawing from another perspective of the present invention;

[0022] Figure 4 This is a cross-sectional view of the utility model;

[0023] Figure 5 This is a cross-sectional view from another perspective of the utility model;

[0024] Figure 6 This is another cross-sectional view of the utility model from another perspective;

[0025] Figure 7 For the utility model Figure 5 A partial enlarged view of part A;

[0026] In the figure: 1. Load box body; 2. Rear plate frame; 3. Bottom plate; 4. Rotation limit assembly; 4-1. Transmission groove; 4-2. Mounting plate; 4-3. Annular groove; 4-4. Slide; 4-5. Slot; 4-6. Fixing ear; 4-7. Socket; 4-8. Insert block; 4-9. Fixing plate; 4-10. Fastening bolt; 4-11. Connecting seat; 4-12. Limiting sleeve; 5. Connecting moving assembly; 5-1. Connecting cavity; 5-2. Connecting column; 5-3. Spring; 5-4. First telescopic rod; 5-5. Lifting seat; 5-6. Second telescopic rod; 5-7. Circular groove; 5-8. Stabilizing column; 6. Bump; 7. Mounting hole; 8. Fan. DETAILED DESCRIPTION

[0027] The following will be combined with 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 of 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.

[0028] like Figure 1 to Figure 7 As shown, this embodiment proposes a load box for voltage transformer detection, including

[0029] The load box body 1, the rear frame 2 and the bottom plate 3, the rear frame 2 and the bottom plate 3 are provided with a connecting moving component 5;

[0030] The rotation limit assembly 4 is arranged outside the rear plate frame 2 and the bottom plate 3. The rotation limit assembly 4 includes a transmission groove 4-1, which is opened on the surface of the bottom plate 3. The transmission groove 4-1 is horizontally rotatably connected with the mounting plate 4-2. The surface of the bottom plate 3 is provided with an annular groove 4-3. The annular groove 4-3 and the bottom of the mounting plate 4-2 are connected with a slideway 4-4. The surface of the bottom plate 3 is provided with a slot 4-5. The outer surface of the bottom plate 3 is provided with a plurality of fixing ears 4-6. A plug hole 4-7 is provided on the surface of the fixed ear 4-6, an insert block 4-8 ​​is provided at the bottom of the load box body 1, a fixing plate 4-9 is provided on the bottom surface of the fixed ear 4-6, a fastening bolt 4-10 is movably mounted inside the fixing plate 4-9, one end of the fastening bolt 4-10 is screwed and connected in the insert block 4-8, a connecting seat 4-11 is provided at the bottom of the load box body 1, a limiting sleeve 4-12 is provided on the side surface of the rear plate frame 2, and the limiting sleeve 4-12 is mounted on the outside of the connecting seat 4-11.

[0031] In this embodiment, in order to achieve the operation effect of rotatable and easy maintenance of the load box body 1, a rotation limit assembly 4 is designed, a transmission groove 4-1 is provided at the center position of the bottom plate 3, a mounting plate 4-2 is rotatably connected in the transmission groove 4-1, and the mounting plate 4-2 is used to support the bottom of the load box body 1, and an annular groove 4-3 is provided on the surface of the bottom plate 3. A slideway 4-4 is provided in the annular groove 4-3 for connecting the mounting plate 4-2, so that the mounting plate 4-2 is more stable when rotating, so that the load box body 1 can be rotated 360°, which is convenient for operation at various positions, and fixing ears 4-6 with sockets 4-7 are provided at the four relative corners of the side surface of the mounting plate 4-2, and the bottom of the load box body 1 is provided with There is an insert block 4-8, and the position of the insert block 4-8 ​​corresponds to the position of the socket 4-7. The load box body 1 is inserted into the socket 4-7 through the insert block 4-8. A fixing plate 4-9 is provided at the bottom of the fixing ear 4-6. A fastening bolt 4-10 is sleeved and connected in the fixing plate 4-9. The fastening bolt 4-10 can be screwed and connected with the insert block 4-8 ​​through a thread, so that the load box body 1 can be fixed on the mounting plate 4-2 and will not fall off even if rotated at will. A connecting seat 4-11 is provided on the top of the load box body 1, and a limiting sleeve 4-12 is provided on the side surface of the rear plate frame 2. The limiting sleeve 4-12 is sleeved on the connecting seat 4-11, which plays a limiting role on the load box body 1, so that the load box body 1 can be kept fixed during normal operation.

[0032] Furthermore, the connecting moving component 5 includes a connecting cavity 5-1, which is opened at the bottom of the rear plate frame 2. The connecting cavity 5-1 is movably set to be connected with a connecting column 5-2, and the external set of the connecting column 5-2 is connected with a spring 5-3, and the spring 5-3 is located in the connecting cavity 5-1. A first telescopic rod 5-4 is arranged at the bottom of the rear plate frame 2, and the output end of the first telescopic rod 5-4 is connected to a lifting seat 5-5, and the lifting seat 5-5 is fixedly connected to the bottom of the connecting column 5-2. A second telescopic rod 5-6 is arranged on the side surface of the lifting seat 5-5, and the output end of the second telescopic rod 5-6 is connected to the bottom plate 3. A circular groove 5-7 is opened in the side surface of the bottom plate 3, and a stabilizing column 5-8 is arranged on the side surface of the lifting seat 5-5, and the stabilizing column 5-8 is movably set in the circular groove 5-7.

[0033] In this embodiment, in order to achieve the effect that the load box body 1 can be lifted and moved outward to create a distance between it and the wall, a connecting and moving component 5 is designed, a connecting cavity 5-1 is opened at the bottom of the rear plate frame 2, a connecting column 5-2 is vertically slidably connected in the connecting cavity 5-1 and is fitted with a spring 5-3, a first telescopic rod 5-4 is arranged at the middle position of the bottom of the rear plate frame 2, a lifting seat 5-5 is connected to the output end of the second telescopic rod 5-6, and the lifting seat 5-5 is fixedly connected to the connecting column 5-2 at the same time, and the height of the lifting seat 5-5 can be controlled by the second telescopic rod 5-6 to control the lifting of the load box body 1, and a second telescopic rod 5-6 is arranged on the side surface of the lifting seat 5-5, the second telescopic rod 5-6 is connected to the bottom plate 3, and the bottom plate 3 can be controlled to move outward by telescoping the output end of the second telescopic rod 5-6, so as to create a distance between the load box body 1 and the rear plate frame 2 and the wall, so that the load box body 1 can be rotated at will.

[0034] Furthermore, a plurality of protrusions 6 are provided on the surface of the rear plate frame 2 , and mounting holes 7 are provided between the rear plate frame 2 and the protrusions 6 .

[0035] In this embodiment, a plurality of protrusions 6 are installed on the back of the rear frame 2 to increase a certain gap between the rear frame 2 and the wall, thereby ensuring the heat dissipation effect of the load box body 1 during operation.

[0036] Furthermore, a pair of fans 8 are installed on the surface of the rear frame 2 .

[0037] In this embodiment, two fans 8 are installed to accelerate the heat dissipation effect of the load box body 1 during operation, thereby preventing the load box body 1 from being overheated.

[0038] Furthermore, a certain gap is left between the back side of the load box body 1 and the rear plate frame 2 .

[0039] In this embodiment, by increasing the gap, there is enough space for heat dissipation on the back of the load box body 1 to avoid excessive temperature caused by heat accumulation.

[0040] When it is needed, fix the rear plate frame 2 to the wall through the fixing screws at the mounting hole 7, insert the load box body 1 into the socket 4-7 of the fixing ear 4-6 through the plug block 4-8, insert the fastening bolt 4-10 into the fixing plate 4-9 at the bottom, and screw it to connect with the plug block 4-8 ​​threaded connection to fix the load box body 1, then start the first telescopic rod 5-4, move the lifting seat 5-5 upwards, connect the connecting seat 4-11 with the limiting sleeve 4-12, and fix the load box body 1. During operation, start the cooling fan 8 to help the load box body 1 dissipate heat. When repair or maintenance is required, first pneumatically actuate the first telescopic rod 5-4 to lower the lifting seat 5-5, and then start the second telescopic rod 5-6 to move the bottom plate 3 outward to increase the distance between the load box body 1 and the rear plate frame 2, and then push the load box body 1 to rotate to an operable angle.

[0041] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A load box for voltage transformer detection, characterized in that: include A load box body (1), a rear frame (2) and a bottom plate (3), wherein the rear frame (2) and the bottom plate (3) are provided with a connecting moving component (5); A rotation limit assembly (4), wherein the rotation limit assembly (4) is arranged outside the rear plate frame (2) and the bottom plate (3), and the rotation limit assembly (4) comprises a transmission groove (4-1), wherein the transmission groove (4-1) is provided on the surface of the bottom plate (3), wherein a mounting plate (4-2) is connected in a transverse rotation manner in the transmission groove (4-1), wherein an annular groove (4-3) is provided on the surface of the bottom plate (3), wherein a slideway (4-4) is connected between the annular groove (4-3) and the bottom of the mounting plate (4-2), and wherein a slot (4-5) is provided on the surface of the bottom plate (3).

2. A load box for voltage transformer detection according to claim 1, characterized in that: The outer surface of the bottom plate (3) is provided with a plurality of fixing ears (4-6), the surface of the fixing ears (4-6) is provided with a plug hole (4-7), the bottom of the load box body (1) is provided with an insert block (4-8), the bottom surface of the fixing ears (4-6) is provided with a fixing plate (4-9), and the fixing plate (4-9) is movably sleeved and connected with a fastening bolt (4-10).

3. A load box for voltage transformer detection according to claim 2, characterized in that: One end of the fastening bolt (4-10) is screwed into the plug block (4-8); a connecting seat (4-11) is provided at the bottom of the load box body (1); a limiting sleeve (4-12) is provided on the side surface of the rear plate frame (2); and the limiting sleeve (4-12) is sleeved outside the connecting seat (4-11).

4. A load box for voltage transformer detection according to claim 1, characterized in that: The connecting moving component (5) comprises a connecting cavity (5-1), wherein the connecting cavity (5-1) is opened at the bottom of the rear plate frame (2), a connecting column (5-2) is movably connected in the connecting cavity (5-1), a spring (5-3) is externally connected to the connecting column (5-2), and the spring (5-3) is located in the connecting cavity (5-1), and a first telescopic rod (5-4) is arranged in the bottom of the rear plate frame (2).

5. A load box for voltage transformer detection according to claim 4, characterized in that: The output end of the first telescopic rod (5-4) is connected to a lifting seat (5-5), and the lifting seat (5-5) is fixedly connected to the bottom of the connecting column (5-2). A second telescopic rod (5-6) is arranged on the side surface of the lifting seat (5-5), and the output end of the second telescopic rod (5-6) is connected to the bottom plate (3). A circular groove (5-7) is arranged in the side surface of the bottom plate (3). A stabilizing column (5-8) is arranged on the side surface of the lifting seat (5-5), and the stabilizing column (5-8) is movably sleeved in the circular groove (5-7).

6. A load box for voltage transformer detection according to claim 1, characterized in that: A plurality of protrusions (6) are arranged on the surface of the rear plate frame (2), and mounting holes (7) are provided between the rear plate frame (2) and the protrusions (6).

7. A load box for voltage transformer detection according to claim 1, characterized in that: A pair of fans (8) are installed on the surface of the rear frame (2).

8. A load box for voltage transformer detection according to claim 1, characterized in that: A certain gap is left between the back side of the load box body (1) and the rear plate frame (2).

Images