Converter valve air gap test device and method

Abstract

The invention discloses an air gap test device for a converter valve. The air gap test device comprises a suspension device, a suspension point platform, an insulation device and a supporting device, a sliding trolley is arranged at the bottom of the lifting point platform; the suspension device is connected with the top of the suspension point platform, and the suspension point platform is connected with one end of the insulation device through a sliding trolley at the bottom; or the suspension device is directly connected with one end of the insulation device; the other end of the insulating device is connected with the supporting device; the supporting device is provided with an installation position of a supporting piece, and the supporting piece is used for installing a converter valve voltage-sharing device. The material of the whole tower of the converter valve is replaced by the simple test device, so that the test cost is greatly saved; the test device adopts an assembled structure, is simple to install, can transport parts, greatly reduces transportation difficulty and occupied area, and also greatly reduces installation time and personnel installation intensity.

Description

Technical Field

[0001] The present invention relates to the technical field of high voltage testing, and in particular to a converter valve air gap testing device and method. Background Art

[0002] Currently in the power industry, the arrangement of converter valves in the valve hall is closely related to the air gap, such as the distance between valve towers and valve towers, and between valve towers and walls. Therefore, before the production of converter valves, there are often related pressure tests in the test projects. This test project requires the construction of a complete valve tower, which requires a lot of materials to be prepared. The tower construction process consumes huge manpower and material resources, and the long preparation work also greatly affects the progress of the test. Summary of the invention

[0003] The purpose of the present invention is to overcome the deficiencies in the prior art and provide a converter valve air gap test device and method, which can replace the entire tower material used for converter valve testing with a simple test device. The test device adopts an assembled structure, is easy to install, and can be transported in parts.

[0004] To achieve the above object, the present invention is implemented by adopting the following technical solutions: On the one hand, the present invention provides a converter valve air gap test device, comprising a suspension device, a suspension point platform, an insulating device and a supporting device; a sliding trolley is provided at the bottom of the suspension point platform; the converter valve air gap test device can be suspended on a hook in a test site through the suspension device.

[0005] The suspension device is connected to the top of the suspension point platform, and the suspension point platform is connected to one end of the insulation device through a sliding trolley at the bottom; or the suspension device is directly connected to one end of the insulation device; The other end of the insulating device is connected to the supporting device; The support device is provided with a mounting position of a support member, and the support member is used to mount a converter valve pressure equalizing device. The support device adopts a splicing structure, which is suitable for mounting pressure equalizing devices of different specifications.

[0006] The present invention replaces the materials of the entire tower of the converter valve with a simple test device, which greatly saves the test cost; the test device adopts an assembled structure, which is easy to install and can be transported in parts, greatly reducing the transportation difficulty and floor space, and also greatly reducing the installation time and labor installation intensity.

[0007] Optionally, the support device includes a plurality of main frames, a plurality of connecting beams and a plurality of support members; The main frames are connected in pairs by a plurality of connecting beams to form a splicing assembly, and the splicing assemblies are connected in pairs by a plurality of connecting beams to form a main body of the supporting device; The main frame and the connecting beam are provided with installation positions for the support members.

[0008] Optionally, the main frame is provided with a lifting point beam for lifting.

[0009] Optionally, the suspension device is provided with an adjustable and lockable suspension rope mechanism for adjusting the horizontality of the suspension point platform.

[0010] Optionally, a lifting point for lifting the suspension device is provided on the outer side of the top of the lifting point platform. The lifting point platform is suitable for air gap requirements of different spans.

[0011] Optionally, connecting plates are provided on the left and right sides of the suspension point platform for connecting multiple suspension point platforms to each other, so as to expand the spacing between the voltage balancing devices to meet different test requirements.

[0012] Optionally, the suspension point platform is further provided with a universal wheel, and the universal wheel and the sliding trolley are provided with a locking mechanism; There are multiple universal wheels, which are symmetrically installed at the bottom of the left and right beams of the suspension point platform; The sliding trolleys are provided in plurality and are symmetrically mounted at the bottom of the front and rear sides of the hanging point platform.

[0013] Optionally, the sliding trolley is provided with a lifting point for lifting the insulating device.

[0014] In a second aspect, the present invention provides a converter valve air gap test method, using the converter valve air gap test device described in the first aspect, the method comprising: Assemble two supporting devices, and install two voltage-equalizing devices on the two supporting devices respectively; Use one or more lifting point platforms depending on the preset spacing of the test; According to the preset height of the test, the suspension point platform is hoisted using a suspension device; Install one end of the insulation device to the lifting point platform and the other end to the supporting device.

[0015] In a third aspect, the present invention provides a converter valve air gap test method, using the converter valve air gap test device described in the first aspect, the method comprising: Assembling the support device, assembling two of the support devices into an assembly; Installing a voltage balancing device on the assembly; Connect the suspension device to the insulating device, and install the insulating device on the supporting device; According to the preset height of the test, the supporting device is hoisted using a suspension device.

[0016] When applied, the present invention can simulate and replace the huge workload of valve tower construction, has low cost, flexible adjustment, strong versatility, and is suitable for converter valve air gap tests under different parameters.

[0017] Beneficial Effects

[0018] Compared with the prior art, the present invention has the following beneficial effects: The present invention replaces the materials of the entire tower required for the vent valve test with a simple test device, which greatly saves the test cost; the test device adopts an assembled structure, which is easy to install and can be transported in parts, greatly reducing the transportation difficulty and floor space, and also greatly reducing the installation time and labor installation intensity; the test device is flexible to adjust and is suitable for air gap tests under various working conditions. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 The figure shows a schematic structural diagram of a converter valve air gap test device in one embodiment of the present invention; Figure 2 The figure shows a schematic structural diagram of a converter valve air gap test device in another embodiment of the present invention; Figure 3 Shown is a schematic structural diagram of a suspension device of the present invention in one embodiment; Figure 4 The figure shows a schematic structural diagram of a suspension point platform of the present invention in one embodiment; Figure 5 Shown is a schematic structural diagram of a supporting device of the present invention in one embodiment; Figure 6 Shown is a schematic structural diagram of the main frame of the present invention in an embodiment; In the figure: 1-suspension device; 2-hanging point platform; 3-insulation device; 4-support device; 5-adjustable suspension rope mechanism; 6-main frame; 7-connecting beam; 8-support member; 9-universal wheel; 10-sliding trolley; 100-voltage equalizing device. DETAILED DESCRIPTION

[0020] The technical solution of the present invention is described in detail below through the accompanying drawings and specific embodiments. It should be understood that the embodiments of the present invention and the specific features in the embodiments are detailed descriptions of the technical solution of the present invention, rather than limitations on the technical solution of the present invention. The embodiments of the present invention and the technical features in the embodiments may be combined with each other unless there is a conflict.

[0021] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and the like are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", and the like may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0022] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0023] The term "and / or" is only a description of the association relationship between related objects, indicating that there can be three relationships. For example, A and / or B can mean: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " generally indicates that the related objects are in an "or" relationship.

[0024] Example 1

[0025] like Figure 1 As shown, this embodiment introduces a converter valve air gap test device, which specifically includes a suspension device 1, a suspension point platform 2, an insulation device 3 and a support device 4. The converter valve air gap test device can be suspended on a hook of a test site through the suspension device 1.

[0026] like Figure 3 As shown, the suspension device 1 is provided with an adjustable and lockable suspension rope mechanism 5 for adjusting the horizontality of the suspension point platform 2.

[0027] like Figure 4 As shown, a lifting point for lifting the suspension device 1 is provided on the outer side of the top of the lifting point platform 2. The lifting point platform 2 can be a spliced ​​structure, which is suitable for air gap requirements of different spans.

[0028] The left and right sides of the suspension point platform 2 are provided with connecting plates for interconnecting multiple suspension point platforms 2. The spacing between the voltage balancing devices 100 can be expanded to meet different test requirements.

[0029] The suspension point platform 2 is provided with a universal wheel 9 and a sliding trolley 10, and the universal wheel 9 and the sliding trolley 10 are provided with a locking mechanism.

[0030] There are multiple universal wheels 9, which are symmetrically mounted on the bottom of the left and right beams of the suspension point platform 2. The universal wheels 9 are arranged to facilitate the movement of the suspension point platform 2 on the ground.

[0031] The sliding trolleys 10 are provided in plurality and are symmetrically mounted at the bottom of the front and rear sides of the suspension point platform 2. The sliding trolleys 10 are provided with suspension points for suspending the insulating device 3.

[0032] The insulating device 3 uses a suspension insulator or an insulating rope that meets the insulation requirements, connecting the suspension point platform 2 and the supporting device 4 or connecting the suspension device 1 and the supporting device 4. The insulating device 3 is suitable for insulation requirements of different voltage levels.

[0033] The supporting device 4 adopts a splicing structure, which is suitable for installing voltage equalizing devices 100 of different specifications.

[0034] like Figure 5 As shown, the support device 4 includes a plurality of main frames 6, a plurality of connecting beams 7 and a plurality of support members 8. The main frames 6 are connected in pairs by a plurality of connecting beams 7 to form a splicing assembly, and the splicing assemblies are connected in pairs by a plurality of connecting beams 7 to form the main body of the support device 4.

[0035] The main frame 6 and the connecting beam 7 are provided with installation positions of the support member 8, which are suitable for the installation of different support members 8. The support member 8 is used to install the converter valve pressure equalizing device 100.

[0036] like Figure 6 As shown, the main frame 6 is provided with a lifting point beam for lifting, which is suitable for lifting the supporting device 4 at different positions.

[0037] In a specific embodiment: One of the main frames 6 is placed flat on the ground, and one end of a plurality of the connecting beams 7 is installed on the main frame 6. The other end of the connecting beam 7 is connected to another main frame 6 to form a splicing assembly, and a hook is used to lift the splicing assembly from horizontal to vertical.

[0038] The two groups of splicing components are connected by a plurality of connecting beams 7 to form the main body of the supporting device 4. The installation position of the pressure equalizing device 100 is adjusted on the main body of the supporting device 4 according to the actual structure of the valve tower to adjust the installation position of the supporting member 8.

[0039] The suspension device 1 is connected to the top of the suspension point platform 2, and the suspension point platform 2 is connected to one end of the insulating device 3 through a sliding trolley 10 at the bottom; or the suspension device 1 is directly connected to one end of the insulating device 3. Figure 2 shown.

[0040] The converter valve air gap test device described in this embodiment can simulate and replace the huge workload of valve tower construction, has low cost, flexible adjustment, strong versatility, and is suitable for converter valve air gap tests under different parameters.

[0041] Example 2

[0042] like Figure 1 As shown, this embodiment introduces a converter valve phase test in a converter valve air gap test method, using the converter valve air gap test device described in Example 1, specifically including the following steps: Assemble two support devices 4. That is, assemble the main frame 6, the connecting beam 7 and the support member 8 into the support device 4.

[0043] The two voltage equalizing devices 100 are respectively mounted on the two supporting devices 4 .

[0044] According to the preset spacing of the test, one hanging point platform 2 or multiple hanging point platforms 2 are used, and the multiple hanging point platforms 2 are assembled through the connecting plates on both sides thereof.

[0045] According to the preset height of the test, the suspension point platform 2 is lifted by using the suspension device 1, and the suspension point platform 2 is adjusted horizontally by using the adjustable and lockable suspension rope mechanism 5.

[0046] One end of the insulating device 3 is installed on the hanging point of the sliding trolley 10, and the other end is installed on the hanging point beam of the main frame 6 in the supporting device 4.

[0047] The suspension point platform 2, the insulating device 3 and the supporting device 4 equipped with the voltage equalizing device 100 are lifted together to the test height.

[0048] The spacing between the sliding carriages 10 is adjusted to adjust the spacing between the pressure equalizing devices 100, simulating the spacing between the valve towers.

[0049] Connect the test equipment and conduct the inter-tower air gap test.

[0050] When applied, this embodiment can simulate and replace the huge workload of valve tower construction, has low cost, flexible adjustment, strong versatility, and is suitable for converter valve air gap tests under different parameters.

[0051] Example 3

[0052] like Figure 2 As shown, this embodiment introduces a ground test in a converter valve air gap test method, using the converter valve air gap test device described in Example 1, but the test device in this embodiment does not require a hanging point platform 2, and directly connects the suspension device 1 to the insulating device 3. At this time, the suspension device 1 is in the vertical direction.

[0053] The specific steps include: The main frame 6 , the connecting beam 7 and the supporting member 8 are assembled into a supporting device 4 .

[0054] The two support devices 4 are assembled into an assembly via a connecting beam 7 .

[0055] The voltage equalizing device 100 is mounted on the assembly.

[0056] The suspension device 1 is directly connected to the insulating device 3 , and the insulating device 3 is installed on the suspension point beam of the main frame 6 in the supporting device 4 .

[0057] The insulating device 3 and the supporting device 4 on which the voltage equalizing device 100 is installed are lifted together to the test height.

[0058] Connect the test equipment and conduct a single tower-to-ground air clearance test.

[0059] The embodiments of the present invention are described above in conjunction with the accompanying drawings, but the present invention is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the enlightenment of the present invention, ordinary technicians in this field can also make many forms without departing from the scope of protection of the purpose of the present invention and the claims, which all fall within the protection of the present invention.

Claims

1. A converter valve air gap test device, characterized in that: It comprises a suspension device (1), a suspension point platform (2), an insulation device (3) and a support device (4); a sliding trolley (10) is provided at the bottom of the suspension point platform (2); The suspension device (1) is connected to the top of the suspension point platform (2), and the suspension point platform (2) is connected to one end of the insulating device (3) via a sliding trolley (10) at the bottom; or the suspension device (1) is directly connected to one end of the insulating device (3); The other end of the insulating device (3) is connected to the supporting device (4); The support device (4) is provided with a mounting position for a support member (8), and the support member (8) is used for mounting a converter valve pressure equalizing device (100).

2. The converter valve air gap test device according to claim 1, characterized in that: The support device (4) comprises a plurality of main frames (6), a plurality of connecting beams (7) and a plurality of support members (8); The main frames (6) are connected in pairs via a plurality of connection beams (7) to form a splicing assembly, and the splicing assemblies are connected in pairs via a plurality of connection beams (7) to form a main body of the support device (4); The main frame (6) and the connecting beam (7) are provided with installation positions for the support member (8).

3. The converter valve air gap test device according to claim 2, characterized in that: The main frame (6) is provided with a lifting point beam for lifting.

4. The converter valve air gap test device according to claim 1, characterized in that: The suspension device (1) is provided with an adjustable and lockable suspension rope mechanism (5) for adjusting the horizontality of the suspension point platform (2).

5. The converter valve air gap test device according to claim 1, characterized in that: A hanging point for hanging the suspension device (1) is provided on the outer side of the top of the hanging point platform (2).

6. The converter valve air gap test device according to claim 1, characterized in that: The left and right sides of the suspension point platform (2) are provided with connection plates, which are used to connect multiple suspension point platforms (2) to each other.

7. The converter valve air gap test device according to claim 1, characterized in that: The suspension point platform (2) is also provided with a universal wheel (9), and the universal wheel (9) and the sliding trolley (10) are provided with a locking mechanism; The universal wheels (9) are provided in plurality and are symmetrically mounted on the bottom of the left and right side cross beams of the suspension point platform (2); The sliding trolleys (10) are provided in plurality and are symmetrically mounted at the bottom of the front and rear sides of the suspension point platform (2).

8. The converter valve air gap test device according to claim 1, characterized in that: The sliding trolley (10) is provided with a lifting point for lifting the insulating device (3).

9. A converter valve air gap test method, characterized in that: Using the converter valve air gap test device according to any one of claims 1 to 8, the method comprises: Assembling two supporting devices (4), and installing two voltage-equalizing devices (100) on the two supporting devices (4), respectively; Using one hanging point platform (2) or multiple hanging point platforms (2) according to the preset spacing of the test; According to a preset test height, the suspension point platform (2) is lifted using a suspension device (1); One end of the insulating device (3) is mounted on the suspension point platform (2), and the other end is mounted on the supporting device (4).

10. A method for testing the air gap of a converter valve, characterized in that: Using the converter valve air gap test device according to any one of claims 1 to 8, the method comprises: Assembling the support device (4), assembling two of the support devices (4) into an assembly; Installing a voltage balancing device (100) on the component; Connecting the suspension device (1) to the insulating device (3), and installing the insulating device (3) on the supporting device (4); According to the preset height of the test, the support device (4) is hoisted using a suspension device (1).

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