Draw-bar box type load testing device

Abstract

The utility model relates to the field of power supply cases, in particular to a draw-bar box type load testing device, which comprises a box body, a power supply assembly is fixed in the box body, a load fixing assembly is detachably mounted at the top of the box body, and a draw-bar box type assembly and a flatness adjusting assembly are arranged at the bottom of the box body. The beneficial effects of the utility model are that the DC power supply is arranged and the DC power supply input and output interface is an aviation plug, thereby facilitating the wiring of the power supply and the load, the load fixing frame is arranged, thereby facilitating the installation of the load, and the supporting rod and the height-adjustable bottom plate are arranged, thereby facilitating the use of the device on a workbench. And by arranging the telescopic pull rod and the supporting trundles, the device can be quickly transferred.

Description

Technical Field

[0001] This utility model relates to the field of power supply chassis, specifically to a trolley box type load testing device. Background Technology

[0002] my country's power electronics technology has made long-term progress, especially modern inverter technology (such as frequency converters and inverters) which has developed rapidly in aerospace, power, and industrial fields. However, there are still some shortcomings: First, the wiring between the power supply and the load is complicated and moving or fixing it is cumbersome; Second, there are many power supply load testing scenarios and uncertain application occasions.

[0003] Therefore, it is necessary to invent a pull-along box type load testing device. Utility Model Content

[0004] Therefore, this utility model provides a pull-along box type load testing device to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a pull-rod box type load testing device, including a box body, a power supply component fixed inside the box body, a load fixing component detachably installed on the top of the box body, and a pull-rod box type component and a flatness adjustment component provided at the bottom of the box body.

[0006] Preferably, the power supply assembly includes a DC power supply, which is fixed inside the housing. An operation panel is fixed to the front end of the housing, and an input interface and an output interface are fixed to the rear end of the housing. The DC power supply is electrically connected to the operation panel, and both the input interface and the output interface are electrically connected to the operation panel.

[0007] Preferably, the load fixing assembly includes a load fixing bracket, which is fixed to the top of the housing by screws.

[0008] Preferably, the trolley case assembly includes two support casters, which are symmetrically fixed at two corners at the rear end of the bottom of the case.

[0009] Preferably, the trolley box assembly further includes a telescopic trolley rod, which is fixed at the middle of the front end of the bottom of the box.

[0010] Preferably, the flatness adjustment component includes two connecting frames, which are symmetrically fixed at two corners at the front end of the bottom of the box, and each connecting frame is rotatably connected to a support rod on its inner side.

[0011] Preferably, the flatness adjustment component further includes two sleeves, which are symmetrically fixed at two corners at the rear end of the bottom of the housing, and the two sleeves are respectively located in front of the two support casters.

[0012] Preferably, each sleeve has an adjusting screw threaded inside, and a base plate is fixed to the bottom end of each adjusting screw.

[0013] The beneficial effects of this utility model are:

[0014] 1. The DC power supply and input / output interfaces facilitate wiring between the power supply and the load. The load mounting bracket facilitates the installation and fixing of the load, thus solving the problem of fixing the load and the power supply. This enables the synchronous installation and wiring of the power supply and the load. Its structure is simple and easy to install.

[0015] 2. Equipped with telescopic pull rods and support casters, the device is convenient for frequent movement and changing of use, facilitating relocation and greatly saving transfer time. The support rods and height-adjustable base plate enable normal use of the device on a horizontal workbench. It can be used on the platform and moved between platforms without interference between functions. The power supply and load are integrated for convenience and reliability, thereby improving the work efficiency of the staff. Attached Figure Description

[0016] Figure 1 A three-dimensional structural view provided for this utility model;

[0017] Figure 2 The main structural view provided for this utility model;

[0018] Figure 3 Rear view of the structure provided for this utility model;

[0019] Figure 4 A side view of the structure provided for this utility model;

[0020] Figure 5 Top view of the structure provided for this utility model;

[0021] Figure 6 A bottom view of the structure provided for this utility model.

[0022] In the diagram: 1. Housing; 2. DC power supply; 3. Control panel; 4. Input interface; 5. Output interface; 6. Load mounting bracket; 7. Screw; 8. Support casters; 9. Telescopic rod; 10. Connecting bracket; 11. Support rod; 12. Sleeve; 13. Adjusting screw; 14. Base plate. Detailed Implementation

[0023] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.

[0024] Please refer to the appendix. Figures 1-6The present invention provides a pull-rod box type load testing device, including a box body 1, a power supply component fixed inside the box body 1, a load fixing component detachably installed on the top of the box body 1, and a pull-rod box type component and a flatness adjustment component provided at the bottom of the box body 1.

[0025] The power supply assembly includes a DC power supply 2, which is fixed inside the housing 1. An operation panel 3 is fixed at the front end of the housing 1, and an input interface 4 and an output interface 5 are fixed at the rear end of the housing 1. The DC power supply 2 is electrically connected to the operation panel 3, and the input interface 4 and the output interface 5 are both electrically connected to the operation panel 3. Specifically, by setting up the DC power supply 2 and the input interface 4 and output interface 5, the wiring of the DC power supply 2 and the load can be greatly facilitated.

[0026] The load fixing assembly includes a load fixing bracket 6, which is fixed to the top of the housing 1 by screws 7. Specifically, by providing the load fixing bracket 6, the load can be easily installed and fixed.

[0027] In summary, this device solves the problem of fixed load and power supply, and its structure is simple and easy to install;

[0028] The trolley case assembly includes two support casters 8, which are symmetrically fixed at the two corners of the bottom rear end of the case 1. The trolley case assembly also includes a telescopic pull rod 9, which is fixed at the middle of the bottom front end of the case 1. Specifically, by providing the telescopic pull rod 9 and support casters 8, the device can be moved frequently to change the scene, making it easy to transfer and thus greatly saving transfer time.

[0029] The flatness adjustment component includes two connecting frames 10, which are symmetrically fixed at the two corners at the front end of the bottom of the housing 1. Support rods 11 are rotatably connected to the inner side of each connecting frame 10, allowing for easy opening and folding of the support rods 11. The flatness adjustment component also includes two sleeves 12, which are symmetrically fixed at the two corners at the rear end of the bottom of the housing 1. The two sleeves 12 are located in front of the two support casters 8. Adjusting screws 13 are threaded into the inside of each sleeve 12, and a base plate 14 is fixed to the bottom end of each adjusting screw 13. Operators can adjust the height of the base plate 14 by rotating the adjusting screws 13 in both directions. Specifically, the rotatable and foldable support rods 11 and the height-adjustable base plate 14 enable normal use of the device on a horizontal workbench. The device can be used on the workbench and moved between workbenches without interference. The power supply and load are integrated, ensuring convenience and reliability, thereby improving the work efficiency of the operators.

[0030] The above description is merely a preferred embodiment of this utility model. Any person skilled in the art can modify this utility model or modify it into an equivalent technical solution using the technical solution described above. Therefore, any simple modifications or equivalent substitutions made based on the technical solution of this utility model are within the scope of protection claimed by this utility model.

Claims

1. A trolley case load testing apparatus comprising a case (1) characterised in that: The box (1) is internally fixed with a power supply assembly, the box (1) top detachably mounted with load fixing assembly, the box (1) bottom is provided with pull rod box type assembly and flatness adjusting assembly.

2. The trolley case load testing device of claim 1, wherein: The power supply assembly includes a DC power supply (2), the DC power supply (2) is fixed in the box (1), the box (1) front end is fixed with operating panel (3), the box (1) rear end is fixed with input interface (4) and output interface (5), the DC power supply (2) is electrically connected operating panel (3), the input interface (4) and output interface (5) are electrically connected operating panel (3).

3. The load testing device of claim 1, wherein: The load fixing assembly includes a load fixing frame (6), the load fixing frame (6) is fixed on the top of the box (1) by screws (7).

4. The load testing device of claim 1, wherein: The pull rod box type assembly includes two support casters (8), two support casters (8) are symmetrically fixed at the two corners of the rear end of the bottom of the box (1).

5. A trolley case load testing apparatus as claimed in claim 4, wherein: The pull rod box type assembly further includes a telescopic pull rod (9), the telescopic pull rod (9) is fixed at the middle of the front end of the bottom of the box (1).

6. The load testing device of claim 4, wherein: The flatness adjusting assembly includes two connecting frames (10), two connecting frames (10) are symmetrically fixed at the two corners of the front end of the bottom of the box (1), the connecting frame (10) is rotatably connected with a support rod (11) on the inner side.

7. A trolley case load testing apparatus as claimed in claim 6, wherein: The flatness adjusting assembly further includes two sleeves (12), two sleeves (12) are symmetrically fixed at the two corners of the rear end of the bottom of the box (1), two sleeves (12) are respectively located on the front side of two support casters (8).

8. A trolley case load testing device according to claim 7, wherein: The sleeve (12) is internally threadedly connected with an adjusting screw (13), the adjusting screw (13) is fixed with a bottom plate (14) at the bottom end.

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