SVG-based movable high-voltage ride-through test device

By designing a movable high-voltage crossing test device based on SVG, using electric slide rails, universal wheels and protective components, the problems of inconvenient movement and insufficient anti-collision protection are solved, and convenient movement and effective anti-collision protection are achieved, which meets the needs of the Use requirements.

CN222189405UActive Publication Date: 2024-12-17HEBEI FENGNING CONSTRUCTION INVESTMENT NEW ENERGY CO LTD
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Patent Information

Application Number
CN202420642463.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-01
Publication Date
2024-12-17
Estimated Expiration
2034-04-01

AI Technical Summary

Technical Problem

The existing high-voltage crossing test devices are inconvenient to move and lack anti-collision protection, and are susceptible to damage caused by external objects.

Method used

A movable high-voltage crossing test device based on SVG is designed, including a storage box, a movable load-bearing assembly and a protective assembly, using electric slide rails, electric slide seats, universal wheels, electrohydraulic cylinders, positioning plates, and anti-slip pads. , fixed seat, connecting rod, spring, baffle and sponge pad to achieve convenient movement of the device and effective anti-collision protection.

Benefits of technology

It realizes the convenient movement and stable placement of the device, and provides effective anti-collision protection for the body of the high-voltage crossing test device to avoid damage, is simple to operate and easy to use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of high-voltage ride-through tests, and discloses an SVG-based movable high-voltage ride-through test device which comprises a storage box, a high-voltage ride-through test device body, a movable bearing assembly and a protection assembly, the top of the storage box is of an opening structure, a driving assembly is arranged in the storage box, a supporting plate is arranged on the driving assembly, and the supporting plate is arranged on the high-voltage ride-through test device body. The driving assembly is used for controlling lifting of the supporting plate, the high-voltage ride-through test device body is detachably and fixedly installed at the top of the supporting plate, a box cover is arranged at the top of the storage box, a stand column is fixedly installed at the top of the supporting plate, the top end of the stand column is fixedly connected with the top of the box cover, and the movable bearing assembly is arranged at the bottom of the storage box. Compared with the prior art, the high-voltage ride-through test device has the following advantages and effects that the high-voltage ride-through test device can be conveniently moved and stably placed, the effect of effective anti-collision protection on the high-voltage ride-through test device body can be achieved, operation is easy, use is convenient, and use requirements can be better met.
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Description

Technical Field

[0001] The present application relates to the technical field of high-voltage ride-through test, and in particular to a movable high-voltage ride-through test device based on SVG. Background Art

[0002] High-voltage ride-through testing is a new requirement for wind power and photovoltaic power plants to ensure the stable and safe operation of new energy power stations and UHV power grids after wind power is connected to UHV as the country's UHV transmission lines are being built. Existing high-voltage ride-through test devices usually need to be equipped with power supply incoming line isolation transformers, circuit breakers, reactors, SVG, outgoing line isolation transformers and other equipment. High-voltage ride-through test devices can perform half-cycle tests on voltage and current, accurately locate the voltage at each point with high precision, provide authentic and reliable high and low voltage ride-through test results, and more accurately analyze the changes in voltage, current and power at each node. After searching, the patent document with authorization announcement number CN219552606U announces a high voltage ride-through test equipment for a wind turbine generator set, including a test box, two sets of connecting wires are fixedly connected to the side of the test box, the other ends of the connecting wires are provided with a fixed box body, both sides of the fixed box body are provided with wire threading holes, and a fixing mechanism is arranged inside the fixed box body, the fixing mechanism mainly includes a first fixing plate, a second fixing plate, a first connecting plate and a second connecting plate, the second connecting plate is connected to the connecting wires, the lower part of the second connecting plate is fixedly connected to the second fixing plate, and the upper part of the first connecting plate is fixedly connected to the first fixing plate.

[0003] In actual use, it is found that the above scheme still has at least the following shortcomings: the existing high-voltage ride-through test device is troublesome to move and is not easy to move when used in different places. In addition, the existing high-voltage ride-through test device lacks anti-collision protection and is easily damaged by collision with foreign objects, causing unnecessary losses. Therefore, we propose a movable high-voltage ride-through test device based on SVG to solve the above problems. Utility Model Content

[0004] The purpose of this application is to provide a movable high-voltage ride-through test device based on SVG, which is not only convenient to move and stably placed, but also can achieve the effect of effective anti-collision protection for the main body of the high-voltage ride-through test device. It is simple to operate and easy to use, and can better meet the use requirements.

[0005] The above-mentioned technical purpose of the present application is achieved through the following technical solutions: a movable high-voltage ride-through test device based on SVG, including a storage box, a high-voltage ride-through test device body, a movable bearing assembly and a protective assembly, the top of the storage box is an open structure, a driving assembly is arranged in the storage box, a support plate is arranged on the driving assembly, the driving assembly is used to control the lifting and lowering of the support plate, the high-voltage ride-through test device body is detachably fixedly installed on the top of the support plate, a box cover is arranged on the top of the storage box, a column is fixedly installed on the top of the support plate, the top of the column is fixedly connected to the top of the box cover, the movable bearing assembly is arranged at the bottom of the storage box, the movable bearing assembly is used to bear and support the storage box and facilitate the movement of the storage box, the number of protective assemblies is set to multiple, and the multiple protective assemblies are evenly distributed around the storage box, the protective assembly is used to protect the storage box from collision, and a handrail is fixedly installed on the left outer wall of the storage box.

[0006] The present application is further configured as follows: the driving assembly includes an electric slide rail and an electric slide seat, the electric slide rail is fixedly mounted on the left inner wall of the storage box, the electric slide seat is slidably mounted on the electric slide rail, and the left side of the support plate is fixedly connected to the electric slide seat.

[0007] The present application is further configured as follows: a vertical guide rod is fixedly mounted on the bottom inner wall of the storage box, the support plate is slidably sleeved on the vertical guide rod, and the top end of the vertical guide rod is in contact with the bottom of the box cover.

[0008] The present application is further configured as follows: a lower stopper and an upper stopper are fixedly mounted on the right inner wall of the storage box, the lower stopper contacts the bottom of the support plate, and the upper stopper is located above the support plate.

[0009] The present application is further configured as follows: a U-shaped groove is provided on the top of the storage box, a U-shaped sealing strip is fixedly installed on the bottom of the box cover, and the U-shaped sealing strip is slidably and sealingly installed in the U-shaped groove.

[0010] The present application is further configured as follows: the movable carrying assembly includes a carrying base, universal wheels, an electric hydraulic cylinder, a positioning plate and an anti-slip pad; the bottom of the storage box is fixedly connected to the top of the carrying base; the number of universal wheels is set to four, and the four universal wheels are rotatably installed at the four corners of the bottom of the carrying base respectively; a mounting groove is provided at the bottom of the carrying base; the number of electric hydraulic cylinders is set to multiple, and the multiple electric hydraulic cylinders are all fixedly installed on the top inner wall of the mounting groove and distributed in an array; the number of positioning plates and the number of anti-slip pads are set to the same as the number of electric hydraulic cylinders; the multiple positioning plates are respectively fixedly installed on the output shaft ends of the corresponding electric hydraulic cylinders, and the multiple anti-slip pads are respectively fixedly installed on the bottom of the corresponding positioning plates.

[0011] The present application is further configured as follows: the protective component includes a fixed seat, a connecting rod, a spring, a baffle and a sponge pad; the fixed seat is fixedly installed on the outer side wall of the storage box; a plurality of slide grooves are evenly spaced on a side of the fixed seat away from the storage box; the number of connecting rods and springs are both set to be multiple; one end of the plurality of connecting rods are respectively slidably installed in the corresponding slide grooves; one end of the plurality of springs are respectively fixedly connected to one end of the corresponding connecting rod located in the slide groove; the other ends of the plurality of springs are respectively fixedly connected to one inner wall of the corresponding slide groove; one end of the plurality of connecting rods located outside the corresponding slide grooves are all fixedly connected to the same side of the baffle; and the sponge pad is fixedly installed on the side of the baffle away from the connecting rod.

[0012] The present application is further configured as follows: limiting grooves are provided on the top inner wall and the bottom inner wall of the slide groove, limiting blocks are fixedly installed on the top and the bottom of the connecting rod, and the two limiting blocks are respectively slidably installed in the corresponding limiting grooves.

[0013] The present application includes at least one of the following beneficial technical effects:

[0014] 1. The present application utilizes a movable bearing assembly consisting of a bearing base, universal wheels, an electric hydraulic cylinder, a positioning plate and an anti-slip pad to achieve the effects of convenient movement and stable placement, thereby facilitating the movement of the high-voltage ride-through test device body to different places for use, and also facilitating the overall stable support and fixation of the device on the ground. During the period of overall stable support and fixation of the device, the downward pressure on the four universal wheels can be relieved, thereby preventing the four universal wheels from being damaged by long-term pressure, thereby protecting the universal wheels.

[0015] 2. The present application utilizes a protective component composed of a fixed seat, a connecting rod, a spring, a baffle and a sponge pad, and by arranging multiple protective components evenly around the storage box, it can achieve the effect of effective anti-collision protection for the main body of the high-voltage ride-through test device, and can effectively protect the main body of the high-voltage ride-through test device from being damaged by collision.

[0016] 3. The present application utilizes a driving assembly consisting of an electric slide rail and an electric slide seat, which makes it easy to move the high-voltage ride-through test device body out of the storage box for high-voltage ride-through testing, and also makes it easy to retract the high-voltage ride-through test device body into the storage box for storage. It is easy to use and simple to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the first viewing angle of this embodiment.

[0019] Figure 2 It is a schematic diagram of the three-dimensional structure of the second viewing angle of this embodiment.

[0020] Figure 3 It is a schematic diagram of the main cross-sectional structure of this embodiment.

[0021] Figure 4 yes Figure 3 Schematic diagram of the enlarged structure of part A.

[0022] In the figure, 1. storage box; 2. main body of high-voltage ride-through test device; 3. support plate; 4. box cover; 5. column; 6. electric slide rail; 7. electric slide seat; 8. vertical guide rod; 9. lower block; 10. upper block; 11. U-shaped sealing strip; 12. handrail; 13. load-bearing base; 14. universal wheel; 15. installation groove; 16. electric hydraulic cylinder; 17. positioning plate; 18. anti-slip pad; 19. fixed seat; 20. slide groove; 21. connecting rod; 22. spring; 23. baffle; 24. sponge pad. DETAILED DESCRIPTION

[0023] The technical solution of the present application will be clearly and completely described below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments of the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present application.

[0024] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 The present application provides a movable high-voltage ride-through test device based on SVG, comprising a storage box 1, a high-voltage ride-through test device body 2, a movable bearing component and a protective component, wherein:

[0025] The top of the storage box 1 is an open structure, a driving assembly is arranged in the storage box 1, a support plate 3 is arranged on the driving assembly, the driving assembly is used to control the lifting of the support plate 3, the high-voltage ride-through test device body 2 is detachably fixedly installed on the top of the support plate 3, a box cover 4 is arranged on the top of the storage box 1, a column 5 is fixedly installed on the top of the support plate 3, the top of the column 5 is fixedly connected to the top of the box cover 4, the above-mentioned driving assembly includes an electric slide rail 6 and an electric slide seat 7, the electric slide rail 6 is fixedly installed on the left inner wall of the storage box 1, the electric slide seat 7 is slidably installed on the electric slide rail 6, the left side of the support plate 3 is fixedly connected to the electric slide seat 7, the sliding connection cooperation of the electric slide seat 7 on the electric slide rail 6 can control the support plate 3 to rise or fall, so as to make The support plate 3 drives the high-voltage ride-through test device body 2, the column 5 and the box cover 4 to rise or fall, so as to facilitate the high-voltage ride-through test device body 2 to be moved out of the storage box 1 for high-voltage ride-through test, and also to facilitate the high-voltage ride-through test device body 2 to be stored inside the storage box 1. A movable bearing assembly is arranged at the bottom of the storage box 1. The movable bearing assembly is used to bear and support the storage box 1 and facilitate the movement of the storage box 1. The above-mentioned movable bearing assembly includes a bearing base 13, universal wheels 14, an electric hydraulic cylinder 16, a positioning plate 17 and an anti-slip pad 18. The bottom of the storage box 1 is fixedly connected to the top of the bearing base 13. The number of universal wheels 14 is set to four, and the four universal wheels 14 are rotatably installed on the bottom of the bearing base 13 respectively. At the four corners, mounting grooves 15 are provided at the bottom of the bearing base 13, and the number of electric hydraulic cylinders 16 is set to be multiple, and the multiple electric hydraulic cylinders 16 are fixedly installed on the top inner wall of the mounting groove 15 and are distributed in an array. The number of positioning plates 17 and the number of anti-skid pads 18 are set to be the same as the number of electric hydraulic cylinders 16. The multiple positioning plates 17 are respectively fixedly installed on the output shaft ends of the corresponding electric hydraulic cylinders 16, and the multiple anti-skid pads 18 are respectively fixedly installed on the bottom of the corresponding positioning plates 17. Four universal wheels 14 are used to facilitate the movement of the storage box 1 and the high-pressure penetration test device body 2 therein. The multiple electric hydraulic cylinders 16 can be used to control the vertical lifting and lowering of the corresponding positioning plates 17 and the anti-skid pads 18 respectively. The anti-skid pads 18 are all in contact with the ground, and the bearing base 13 can be lifted up to a certain height so that the four universal wheels 14 do not contact the ground, and the device can be stably supported and fixed on the ground as a whole. In the process of stably supporting and fixing the device as a whole, the downward pressure on the four universal wheels 14 can be released to avoid the four universal wheels 14 being damaged by long-term pressure, thereby protecting the universal wheels 14, and thus achieving the effect of convenient movement and stable placement of the device as a whole. The number of protective components is set to multiple, and the multiple protective components are evenly distributed around the storage box 1. The protective components are used to protect the storage box 1 from collision. The above-mentioned protective components include a fixed seat 19, a connecting rod 21, a spring 22, a baffle 23 and a sponge pad 24.The fixing seat 19 is fixedly installed on the outer wall of the storage box 1, and a plurality of slide grooves 20 are evenly spaced on the side of the fixing seat 19 away from the storage box 1. The number of connecting rods 21 and springs 22 is set to be multiple, one end of the plurality of connecting rods 21 is slidably installed in the corresponding slide grooves 20, one end of the plurality of springs 22 is fixedly connected to the end of the corresponding connecting rod 21 located in the slide groove 20, and the other end of the plurality of springs 22 is fixedly connected to the inner wall of one side of the corresponding slide groove 20, and the ends of the plurality of connecting rods 21 located outside the corresponding slide groove 20 are fixedly connected to the same side of the baffle 23, and the sponge pad 24 is fixedly installed on the baffle 23 away from the baffle 23. On the side away from the connecting rod 21, the baffle 23 can be used to prevent foreign objects from colliding with the storage box 1, and the sponge pad 24 can be used to buffer and unload part of the force generated by the foreign object colliding with the baffle 23. The retractable elastic force of the spring 22 can further buffer and unload the force generated by the foreign object colliding with the baffle 23, thereby effectively reducing the vibration force generated by the foreign object colliding with the baffle 23 and transmitting it to the main body 2 of the high-voltage ride-through test device through the storage box 1, thereby effectively protecting the main body 2 of the high-voltage ride-through test device from collision. A handrail 12 is fixedly installed on the left outer wall of the storage box 1, and the handrail 12 facilitates the overall movement of the device by hand.

[0026] In this embodiment, it should be noted that the high-voltage ride-through test device body 2 includes a device outer shell, and is configured with a power supply incoming line isolation transformer, a circuit breaker switch, a reactor, an SVG, a distribution line isolation transformer and other equipment. The power supply incoming line isolation transformer, the circuit breaker switch, the reactor, the SVG, the distribution line isolation transformer and other equipment are all installed in the device outer shell. The test principle and structural composition of the high-voltage ride-through test device body 2 belong to the prior art, so they will not be repeated in this article.

[0027] In this embodiment, a vertical guide rod 8 is fixedly installed on the bottom inner wall of the storage box 1, and the support plate 3 is slidably mounted on the vertical guide rod 8. The top end of the vertical guide rod 8 contacts the bottom of the box cover 4, which is used to guide the movement direction of the support plate 3 so that the support plate 3 can be lifted and lowered in the vertical direction smoothly.

[0028] In this embodiment, a lower stopper 9 and an upper stopper 10 are fixedly installed on the right inner wall of the storage box 1. The lower stopper 9 contacts the bottom of the support plate 3, and the upper stopper 10 is located above the support plate 3. The lower stopper 9 is used to block and limit the descending height of the support plate 3, and the upper stopper 10 is used to block and limit the ascending height of the support plate 3.

[0029] In this embodiment, a U-shaped groove is opened on the top of the storage box 1, and a U-shaped sealing strip 11 is fixedly installed on the bottom of the box cover 4. The U-shaped sealing strip 11 is slidably sealed in the U-shaped groove to improve the sealing effect of the box cover 4 on the storage box 1.

[0030] In this embodiment, limiting grooves are provided on the top inner wall and the bottom inner wall of the slide groove 20, and limiting blocks are fixedly installed on the top and bottom of the connecting rod 21. The two limiting blocks are respectively slidably installed in the corresponding limiting grooves to limit the sliding stroke of the connecting rod 21.

[0031] In the present embodiment, it should be supplemented that a rechargeable battery pack is fixedly mounted on the inner wall at the bottom of the storage box 1, and the rechargeable battery pack can be used to supply power to the electric slide rail 6, the electric slide seat 7 and the plurality of electric hydraulic cylinders 16 respectively. A controller is fixedly mounted on the outer wall of the supporting base 13, and the controller is provided with a plurality of control buttons. The electric slide rail 6, the electric slide seat 7, the plurality of electric hydraulic cylinders 16, the rechargeable battery pack and the controller are electrically connected via wires, and the plurality of control buttons can be used to control the electric slide rail 6, the electric slide seat 7 and the plurality of electric hydraulic cylinders 16 to be powered on and operated respectively. Since the circuit connection and control method are mature technologies in this field and have been fully disclosed, they will not be repeated in the specification.

[0032] Through the above structure, the SVG-based movable high-voltage ride-through test device provided by the present application can not only be conveniently moved and stably placed when in use, but can also achieve the effect of effectively preventing collisions for the main body 2 of the high-voltage ride-through test device. It is simple to operate and easy to use, and can better meet the use requirements. During specific operation, by using the four universal wheels 14 and the handrails 12, it is convenient to push the device as a whole to move it, so as to move the main body 2 of the high-voltage ride-through test device to different places for use. By controlling the extension and operation of multiple electric hydraulic cylinders 16, multiple electric hydraulic cylinders 16 can be driven The corresponding positioning plates 17 and anti-skid pads 18 are moved vertically downward, so that when the multiple anti-skid pads 18 come into contact with the ground, as the multiple electric hydraulic cylinders 16 continue to extend, the bearing base 13 can be lifted up to a certain height, so that the four universal wheels 14 do not come into contact with the ground, and the device can be stably supported and fixed on the ground as a whole. During the period of the device being stably supported and fixed as a whole, the downward pressure on the four universal wheels 14 can be released, so that the four universal wheels 14 are prevented from being damaged by long-term pressure, thereby protecting the universal wheels 14, and thus achieving the effect of convenient movement and stable placement of the device as a whole.

[0033] When it is necessary to use the high-voltage ride-through test device body 2 to perform a high-voltage ride-through test, the electric slide 7 is controlled to slide vertically upward on the electric slide rail 6, and the electric slide 7 drives the support plate 3, the high-voltage ride-through test device body 2, the column 5 and the box cover 4 to rise. When the high-voltage ride-through test device body 2 is raised out of the storage box 1, the electric slide 7 is stopped from sliding, and the high-voltage ride-through test device body 2 can be used to perform a high-voltage ride-through test. After the test operation is completed, the electric slide 7 is controlled to slide vertically down on the electric slide rail 6, and the high-voltage ride-through test device body 2 can be stored back in the storage box 1 for storage, so that the high-voltage ride-through test device body 2 can be conveniently moved out of the storage box 1 for high-voltage ride-through test, and the high-voltage ride-through test device body 2 can also be conveniently stored in the storage box 1, which has the advantages of easy use and simple operation.

[0034] When a foreign object collides with the sponge pad 24 on the baffle 23, the sponge pad 24 can be used to buffer and unload a part of the force generated by the foreign object colliding with the baffle 23, and the retractable elastic force of the spring 22 can be used to further buffer and unload the force generated by the foreign object colliding with the baffle 23, thereby effectively reducing the vibration force generated by the foreign object colliding with the baffle 23 and transmitting it to the high-voltage ride-through test device body 2 through the storage box 1, thereby playing an effective anti-collision protection effect on the high-voltage ride-through test device body 2, and can effectively protect the high-voltage ride-through test device body 2 from being damaged by collision.

Claims

1. A mobile high voltage ride-through test device based on SVG, characterized in that: The invention comprises a storage box (1), a high-voltage ride-through test device body (2), a movable bearing assembly and a protective assembly, wherein the top of the storage box (1) is an open structure, a driving assembly is arranged inside the storage box (1), a support plate (3) is arranged on the driving assembly, and the driving assembly is used to control the lifting and lowering of the support plate (3), the high-voltage ride-through test device body (2) is detachably fixedly mounted on the top of the support plate (3), a box cover (4) is arranged on the top of the storage box (1), and the top of the support plate (3) is fixedly mounted A column (5) is provided, the top of the column (5) is fixedly connected to the top of the box cover (4), the movable bearing component is arranged at the bottom of the storage box (1), the movable bearing component is used to bear and support the storage box (1) and facilitate the movement of the storage box (1), the number of the protective components is set to be multiple, and the multiple protective components are evenly distributed around the storage box (1), the protective component is used to protect the storage box (1) from collision, and a handrail (12) is fixedly installed on the left outer wall of the storage box (1).

2. The SVG-based movable high-voltage ride-through test device according to claim 1 is characterized in that: The driving assembly comprises an electric slide rail (6) and an electric slide seat (7); the electric slide rail (6) is fixedly mounted on the left inner wall of the storage box (1); the electric slide seat (7) is slidably mounted on the electric slide rail (6); and the left side of the support plate (3) is fixedly connected to the electric slide seat (7).

3. The SVG-based movable high-voltage ride-through test device according to claim 1 is characterized in that: A vertical guide rod (8) is fixedly mounted on the inner wall of the bottom of the storage box (1), the support plate (3) is slidably mounted on the vertical guide rod (8), and the top end of the vertical guide rod (8) is in contact with the bottom of the box cover (4).

4. The SVG-based movable high-voltage ride-through test device according to claim 1 is characterized in that: A lower stopper (9) and an upper stopper (10) are fixedly mounted on the right inner wall of the storage box (1); the lower stopper (9) contacts the bottom of the support plate (3), and the upper stopper (10) is located above the support plate (3).

5. The SVG-based movable high-voltage ride-through test device according to claim 1 is characterized in that: The top of the storage box (1) is provided with a U-shaped groove, and the bottom of the box cover (4) is fixedly installed with a U-shaped sealing strip (11), and the U-shaped sealing strip (11) is slidably and sealingly installed in the U-shaped groove.

6. The SVG-based movable high-voltage ride-through test device according to claim 1 is characterized in that: The movable bearing assembly comprises a bearing base (13), universal wheels (14), an electric hydraulic cylinder (16), a positioning plate (17) and an anti-skid pad (18). The bottom of the storage box (1) is fixedly connected to the top of the bearing base (13). The number of the universal wheels (14) is set to four. The four universal wheels (14) are rotatably mounted on the four corners of the bottom of the bearing base (13). The bottom of the bearing base (13) is provided with a mounting groove (15). The number of the electric hydraulic cylinders (16) is set to multiple. The multiple electric hydraulic cylinders (16) are fixedly mounted on the top inner wall of the mounting groove (15) and are distributed in an array. The number of the positioning plates (17) and the number of the anti-skid pads (18) are both set to be the same as the number of the electric hydraulic cylinders (16). The multiple positioning plates (17) are respectively fixedly mounted on the output shaft ends of the corresponding electric hydraulic cylinders (16). The multiple anti-skid pads (18) are respectively fixedly mounted on the bottom of the corresponding positioning plates (17).

7. The SVG-based movable high-voltage ride-through test device according to claim 1 is characterized in that: The protective assembly comprises a fixing seat (19), a connecting rod (21), a spring (22), a baffle (23) and a sponge pad (24); the fixing seat (19) is fixedly mounted on the outer wall of the storage box (1); a plurality of slide grooves (20) are evenly spaced apart on a side of the fixing seat (19) away from the storage box (1); the number of the connecting rods (21) and the spring (22) are both set to be multiple, and one end of the multiple connecting rods (21) is respectively slidably mounted on the corresponding slide grooves ( 20), one end of the plurality of springs (22) is respectively fixedly connected to one end of the corresponding connecting rod (21) located in the slide groove (20), the other ends of the plurality of springs (22) are respectively fixedly connected to one side inner wall of the corresponding slide groove (20), one end of the plurality of connecting rods (21) located outside the corresponding slide groove (20) are all fixedly connected to the same side of the baffle (23), and the sponge pad (24) is fixedly installed on the side of the baffle (23) away from the connecting rod (21).

8. The SVG-based movable high-voltage ride-through test device according to claim 7 is characterized in that: Limiting grooves are provided on the top inner wall and the bottom inner wall of the slide groove (20), and limiting blocks are fixedly installed on the top and the bottom of the connecting rod (21), and the two limiting blocks are respectively slidably installed in the corresponding limiting grooves.