CN219533232U - Test support of dc-to-ac converter - Google Patents

Abstract

The utility model discloses a test bracket for an inverter, which comprises a support frame (1) and a fixing part (2). The support frame (1) is provided with a mounting groove (11), and the fixing part (2) includes The fixed main body (21), the first part and the second part, the first part is used to connect the fixed main body (21) and the installation groove (11), and the second part is used to connect the fixed main body (21) and the inverter ( 3), the length of the connection between the first part and the installation groove (11) is shorter than the length of the installation groove (11). The utility model has the characteristics of simple structure and easy weight removal.

Description

A test stand for an inverter

technical field

The utility model relates to a handling device for an inverter, in particular to a test bracket for an inverter.

Background technique

The performance of the inverter has a great influence on the power system. Therefore, it is necessary to test the performance of the inverter before installation to ensure that the performance of the inverter can meet the requirements of the power system. And for some large-scale inverters, because the volume of the inverter is larger and the weight is heavier, it is relatively difficult to move it to the test place, although there is a mobile frame with moving wheels in the prior art Inverters are moved and transported, but the structure of these mobile frames is generally more complicated, especially in order to maintain the balance and stability of the inverter on the mobile frame, and to facilitate adjustment and testing, usually an electric telescopic rod is installed on the mobile frame , sliding plate and other components, use the drive to drive the relative or relative movement of the sliding plate and other components to realize the position adjustment and clamping and fixing of different types of inverters, although it can be fixed well and adapt to different sizes of inverters, However, the number of fixed clamping components is more complicated, resulting in a heavy and difficult mobile frame.

Utility model content

The purpose of the utility model is to provide a test bracket for an inverter. The utility model has the characteristics of simple structure and easy weight removal.

The technical solution of the utility model: a test bracket for an inverter, including a support frame and a fixing part, the support frame is provided with a mounting groove, the fixing part includes a fixing main body, a first part and a second part, and the first part The second part is used for connecting the fixed body and the installation groove, the second part is used for connecting the fixed body and the inverter, and the length of the connection between the first part and the installation groove is shorter than the length of the installation groove.

In the aforementioned inverter test bracket, there are multiple installation slots, and at least two installation slots are respectively provided on both sides of the support frame.

In the aforementioned inverter test bracket, for two symmetrical installation slots, each installation slot is connected with at least one fixing member.

In the aforementioned inverter test bracket, the surface of the inverter is provided with installation holes, the fixed body is provided with a first connection hole and a second connection hole, and the first part is used to connect the first connection hole and the second connection hole. The installation groove, the second part is used for connecting the second connection hole and the installation hole.

In the aforementioned test bracket for an inverter, the first part includes a T-shaped nut, and a first screw is arranged in the T-shaped nut, and the first screw passes through the first connection hole and the T-shaped nut, and is connected to the installation groove, The diameter of the first screw is smaller than the length of the installation groove.

In the foregoing test bracket for an inverter, the second part includes a second screw, and the second screw passes through the second connection hole and is threadedly connected with the installation hole.

In the aforementioned inverter test stand, the bottom of the support frame is provided with a moving assembly.

In the foregoing inverter test stand, the moving assembly includes universal wheels, and the universal wheels are provided with brakes.

In the aforesaid test bracket for an inverter, the support frame includes a base frame, a column is arranged above the base frame, and a top frame is provided above the column; the bottom frame is used for installing universal wheels, and the top frame The frame is used to install the inverter.

In the aforementioned inverter test bracket, both the bottom frame and the top frame are hollow structures.

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

The utility model only connects and assembles the inverter and the support frame through the fixing parts, has few parts, simple structure, light weight and convenient movement; the installation groove provided on the support frame is longer than the length of the connection part of the first part, The fixing part can be moved along the length of the installation groove to adjust the position of the inverter on the test stand. After the position is determined, it can be fixed stably, which can better fix inverters of different sizes and ensure the inverter The position of the inverter can be adjusted before the test, and it is firmly fixed during the test, which is convenient for testing the inverter; and it does not need to be fixed by power drive, which reduces the cost.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a schematic diagram of the explosion structure of Fig. 1;

Fig. 3 is a front view of Fig. 1 .

The marks in the accompanying drawings are: 1, support frame; 11, installation groove; 12, T-shaped nut; 13, first screw; 14, second screw; 15, bottom frame; 16, column; 17, top frame; 2 . Fixing piece; 21. Fixing main body; 22. First connecting hole; 23. Second connecting hole; 3. Inverter; 31. Mounting hole; 4. Universal wheel.

Detailed ways

The utility model will be further described below in conjunction with the accompanying drawings and embodiments, but it is not used as a basis for limiting the utility model.

In the description of the present utility model, it should also be noted that, unless otherwise specified and limited, the terms "setting", "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection , can also be detachably connected, or integrally connected; can be mechanically connected, can also be electrically connected; can be directly connected, can also be indirectly connected through an intermediary, and can be internal communication between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model according to specific situations.

Example:

A test bracket for an inverter, comprising a support frame 1 and a fixing part 2, the support frame 1 is provided with a mounting groove 11, the fixing part 2 includes a fixing main body 21, a first part and a second part, the first part The second part is used for connecting the fixed body 21 and the installation groove 11 , the second part is used for connecting the fixed body 21 and the inverter 3 , and the length of the connection between the first part and the installation groove 11 is shorter than the length of the installation groove 11 .

The utility model only connects and assembles the inverter and the support frame through the fixing parts, has few parts, simple structure, light weight, and convenient movement; the installation groove 11 provided on the support frame 1 is longer than the length of the first part of the connection. , so that the fixing part 2 can move along the length direction of the installation groove 11 so as to adjust the position of the inverter 3 on the test stand. 3. Ensure that the position of the inverter 3 can be adjusted before the test, and it is fixed firmly during the test, which is convenient for testing the inverter 3; and there is no need for power-driven fixation, and the cost is reduced.

There are multiple installation grooves 11 , and at least two installation grooves 11 are respectively arranged on both sides of the support frame 1 . For two symmetrical installation slots 11 , each installation slot 11 is connected with at least one fixing piece 2 . As shown in Figures 1-3, as a way to realize the connection between the installation groove 11 and the fixing part 2, the direction shown in Figure 2 is used as the reference direction, and two installation grooves 11 are used, and the two installation grooves 11 are symmetrical They are distributed in the left-right direction of the outer surface of the support frame 1 , and in addition, the mounting grooves 11 may also be distributed in the front-rear direction of the outer surface of the support frame 1 . The position and connection of the installation groove 11 are not disturbed, which facilitates the assembly and disassembly of the fixing parts. As shown in FIG. 1 , each installation groove 11 is connected with a fixing piece, and this connection method has high connection stability.

In addition, the installation groove 11 can also be deformed on this basis in addition to the straight shape in FIG. It can be moved along the height direction of the installation groove 11 to better fix and adjust the inverter, adapt to the installation of inverters 3 of different sizes and types, and is convenient for adjustment and installation.

The surface of the inverter 3 is provided with a mounting hole 31, the fixed body 21 is provided with a first connecting hole 22 and a second connecting hole 23, the first part is used to connect the first connecting hole 22 and the mounting groove 11, the second The two parts are used to connect the second connection hole 23 and the installation hole 31 .

Referring to Fig. 2, as an implementation of the first part, the first part includes a T-shaped nut 12, the T-shaped nut 12 is provided with a first screw 13, and the first screw 13 passes through the first connecting hole 22 and the T-shaped nut 12, connected with the installation groove 11, the diameter of the first screw 13 is smaller than the length of the installation groove 11. The inverter 3 moves back and forth on the support frame 1 through the movement of the first screw 13 in the installation groove 11, and prevents the inverter 3 from moving up and down, so as to facilitate the adjustment of the front and rear positions of the inverter 3 on the support frame 1 , so as to better carry out test work according to different test locations. After the position is adjusted, the T-nut 12 is used to fix it, so as to ensure the fixation of the inverter 3 and the stability of the test.

Referring to FIG. 2 , as an implementation of the second part, the second part includes a second screw 14 , and the second screw 14 passes through the second connection hole 23 and is threadedly connected with the installation hole 31 . Through the connection method of the second screw 14, the connection between the fixing member 2 and the inverter 3 is firm and stable, and the up and down movement in the reference direction shown in FIG. 2 is avoided.

The bottom of the support frame 1 is provided with a moving assembly. The supporting frame 1 can be driven to move by the moving component, so that the inverter 3 can be transported to different test positions for testing.

Referring to Fig. 2, as an implementation of the moving assembly, the moving assembly includes a universal wheel 4, and the universal wheel 4 is provided with a brake. The universal wheel 4 with brake parts is adopted, so that the support frame moves flexibly, conveniently, and is convenient for fixing.

Referring to Fig. 1 and Fig. 2, as a kind of realization mode of support frame 1, described support frame 1 comprises underframe 15, and the top of underframe 15 is provided with column 16, and the top of column 16 is provided with top frame 17; The frame 15 is used for installing the universal wheel 4 , and the top frame 17 is used for installing the inverter 3 .

Both the bottom frame 15 and the top frame 17 are hollow structures. As shown in Figure 1, as a way of realizing the bottom frame 15 and the top frame 17, both the bottom frame 15 and the top frame 17 are hollow structures formed by splicing a plurality of beams end to end, which are light in weight and easy to move. Supported by a plurality of columns 16, the support frame 1 has a stable structure and a good load-bearing capacity, and is convenient for installing and transferring inverters 3 of different types and weights.

The support frame 1 adopts 4040 aluminum profiles. The material is light and thin, and the cost is low.

The unspecified part of the utility model is the prior art, so it will not be elaborated here.

Claims (10)

1. A test bracket for an inverter, characterized in that: it comprises a support frame (1) and a fixture (2), the support frame (1) is provided with a mounting groove (11), and the fixture (2) It includes a fixed main body (21), a first part and a second part, the first part is used for connecting the fixed main body (21) and the installation groove (11), and the second part is used for connecting the fixed main body (21) and the inverter (3), the length of the connection between the first part and the installation groove (11) is shorter than the length of the installation groove (11). 2. A test bracket for an inverter according to claim 1, characterized in that: there are multiple mounting grooves (11), wherein at least two mounting grooves (11) are respectively arranged on the supporting frame (1 ) on both sides of the installation. 3. A test bracket for an inverter according to claim 2, characterized in that: for two symmetrical installation slots (11), each installation slot (11) is connected to at least one of the fixing parts (2) . 4. A test bracket for an inverter according to claim 1, characterized in that: the surface of the inverter (3) is provided with a mounting hole (31), and the fixed body (21) is provided with a second A connection hole (22) and a second connection hole (23), the first part is used to connect the first connection hole (22) and the installation groove (11), and the second part is used to connect the second connection hole (23) and the installation hole (31). 5. A test bracket for an inverter according to claim 4, characterized in that: the first part comprises a T-shaped nut (12), and the T-shaped nut (12) is provided with a first screw (13), The first screw (13) passes through the first connection hole (22) and the T-shaped nut (12), and is connected with the mounting groove (11). The diameter of the first screw (13) is less than the length of the mounting groove (11). 6. A test bracket for an inverter according to claim 4, characterized in that: the second part includes a second screw (14), and the second screw (14) passes through the second connecting hole (23) , threaded with the mounting hole (31). 7. An inverter test stand according to any one of claims 1-6, characterized in that: the bottom of the support frame (1) is provided with a moving assembly. 8 . The inverter test stand according to claim 7 , characterized in that: the moving assembly includes universal wheels ( 4 ), and the universal wheels ( 4 ) are provided with brakes. 9 . 9. A test stand for an inverter according to claim 8, characterized in that: the support frame (1) comprises a chassis (15), and a column (16) is arranged above the chassis (15), A top frame (17) is provided above the column (16); the bottom frame (15) is used to install the universal wheel (4), and the top frame (17) is used to install the inverter (3) _. 10 . The inverter test stand according to claim 9 , characterized in that: both the bottom frame ( 15 ) and the top frame ( 17 ) are hollow structures. 11 .