High-voltage test safety protection device
By designing an adjustable-length high-voltage test safety protection device, the problem that existing devices cannot adapt to different substation sizes has been solved, thus improving flexibility and stability.
Patent Information
- Application Number
- CN202520043089.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-09
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-01-09
AI Technical Summary
Existing high-voltage test safety protection devices cannot adjust their length according to the size of the substation, resulting in poor flexibility and applicability.
A structure including a ground rail, a fixed frame, an insulating plate, an insulating mesh, and a connecting frame is designed. The insulating mesh can be extended by hook connection and reverse movement, which, together with the insulating plate, expands the protection range. The stability and smoothness of sliding are improved by components such as limit plates and rollers.
The length of the safety protection device can be flexibly adjusted, which improves the stability and applicability of the device and reduces safety risks.
Smart Images
Figure CN223910946U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the technical field of safety protection devices, in particular to a high-voltage test safety protection device. BACKGROUND
[0002] The main purpose of high-voltage test is to detect the insulation performance of electrical equipment and judge the safety of the equipment in operation. Through high-voltage test, aging and degradation problems of the equipment can be found and handled in time, latent defects can be eliminated, and the safety and stability of the power system can be ensured, so that the equipment will not be broken down under the action of rated voltage and overvoltage, thereby ensuring the safe and stable operation of the power system. The operation of a substation cannot be separated from high-voltage test. In order to ensure the safety of high-voltage test, most substations need to be equipped with high-voltage test safety protection devices. However, the existing high-voltage test safety protection devices cannot adjust the length of the safety protection device according to the size of the substation, and the flexibility and applicability are poor, so there is room for improvement. CONTENT OF THE UTILITY MODEL
[0003] In order to flexibly adjust the length of the safety protection device based on the size of the substation, the application provides a high-voltage test safety protection device.
[0004] The high-voltage test safety protection device provided by the application adopts the following technical scheme:
[0005] A high-voltage test safety protection device, comprising a ground rail, two fixed frames are slidably connected to the ground rail, and an insulating plate is arranged on the side of each fixed frame that faces the other fixed frame, a pulley is arranged on the bottom wall of the insulating plate, the pulley is slidably connected to the ground rail, a hidden cavity is formed in the insulating plate, an insulating net is slidably connected in the hidden cavity, an installation plate is arranged on the side of the insulating net that extends out of the hidden cavity, a plurality of hooks are arranged on the surface of the installation plate, and a connecting frame is arranged between the hooks corresponding to the two insulating nets.
[0006] By adopting the above technical scheme, when the size of the substation is larger than the size that can be covered by two insulating plates, the hooks on the two sides are connected by the connecting frame, and the fixed frames on the two sides move in opposite directions along the ground rail. Under the action of the pulling force on the two sides, the insulating net can extend out of the hidden cavity, thereby cooperating with the insulating plate to effectively increase the size of the protection range and realize flexible adjustment of the length of the safety protection device.
[0007] Optionally, a roller is arranged at the bottom of the insulating net and abuts against the inner bottom wall of the hidden cavity.
[0008] By adopting the above technical scheme, the roller can effectively reduce friction and improve the sliding smoothness of the insulating net.
[0009] Optionally, a limiting plate is arranged at the top of the end of the insulating net away from the opening of the hidden cavity, a limiting groove is arranged on the inner top wall of the hidden cavity for inserting and sliding the limiting plate, and the length of the limiting groove is less than the length of the hidden cavity.
[0010] By adopting the above technical scheme, the sliding distance of the insulating net is limited by arranging the limiting plate and the limiting groove, so as to prevent the insulating net from sliding excessively and causing the insulating net to be separated from the hidden cavity and difficult to be reinstalled, and the stability of the protection device is improved.
[0011] Optionally, a counterweight is arranged at the end of the insulating net away from the opening of the hidden cavity.
[0012] By adopting the above technical scheme, the part of the insulating net still in the hidden cavity is pressed down when the insulating net partially extends out of the hidden cavity, so as to facilitate the retraction of the insulating net and reduce the probability of the roller being stuck.
[0013] Optionally, a clamping groove is arranged at the opening of the hidden cavity, and a shielding plate is arranged in the clamping groove.
[0014] By adopting the above technical scheme, the insulating net can be stably stored in the hidden cavity when the insulating net is not used, so as to maintain the stability of the insulating net when the fixing frame and the insulating plate slide, and prevent the insulating net from falling out, thereby improving the safety in use.
[0015] Optionally, a plurality of accommodation grooves for the hook to enter are arranged on the surface of the mounting plate, a guide rod is arranged at the end of the hook facing the accommodation groove, the other end of the guide rod penetrates through the inner wall of the accommodation groove and is in sliding connection with the inner wall of the accommodation groove, a return spring is sleeved on the peripheral wall of the guide rod, the return spring abuts between the inner wall of the accommodation groove and the hook, and the return spring makes the hook have a tendency to extend out of the accommodation groove.
[0016] By adopting the above technical scheme, the installation of the hook on the shielding plate can be avoided by arranging the accommodation groove, the guide rod and the return spring, so as to ensure the stable installation of the shielding plate.
[0017] Optionally, a sensor is arranged on the surface of the insulating plate, an audible and light alarm is arranged at the top of the fixing frame, and the audible and light alarm is in communication connection with the sensor.
[0018] By adopting the above technical scheme, when a person approaches the protection device that is working, the sensor will detect the approach of the person, so as to feed back a signal to the audible and light alarm, and the audible and light alarm will issue an alarm to prevent the person from approaching, thereby further reducing the safety risk.
[0019] Optionally, a safety mark is arranged on the surface of the insulating plate.
[0020] By adopting the technical scheme, the safety mark can play a warning role to prevent external personnel from approaching the safety protection device and causing electric shock accidents.
[0021] To sum up, the present application has at least one of the following beneficial technical effects:
[0022] 1. When the size of the transformer substation is larger than the size that can be covered by two insulating plates, the hooks on both sides are connected by the connecting frame, and the fixed frames on both sides move in opposite directions along the ground rail. Under the action of the pulling force on both sides, the insulating net can extend out of the hidden cavity, thereby cooperating with the insulating plate, effectively increasing the size of the protection range, and realizing flexible adjustment of the length of the safety protection device.
[0023] 2. The limiting plate and the limiting slot can limit the sliding distance of the insulating net, so as to prevent the insulating net from sliding excessively and causing the insulating net to be separated from the hidden cavity and difficult to be reinstalled, thereby improving the stability of the protection device. BRIEF DESCRIPTION OF DRAWINGS
[0024] Figure 1 is a structural schematic view of a high-voltage test safety protection device in an embodiment of the present application.
[0025] Figure 2 is a sectional view of the fixed frame and the insulating plate in the embodiment of the present application.
[0026] Figure 3 is Figure 2 is a local enlarged view of position A in
[0027] Figure 4 is a structural schematic view of the shielding plate in the embodiment of the present application.
[0028] Mark 1, ground rail; 2, fixed frame; 3, insulating plate; 31, pulley; 32, hidden cavity; 33, limiting slot; 34, clamping groove; 4, insulating net; 41, mounting plate; 411, accommodation slot; 412, guide rod; 413, reset spring; 42, hook; 43, roller; 44, limiting plate; 45, counterweight; 5, connecting frame; 6, shielding plate; 7, sensor; 8, sound and light alarm; 9, safety mark. DETAILED DESCRIPTION
[0029] The following will be described in detail in combination with the accompanying Figures 1-4 The present application will be further described in detail.
[0030] The embodiment of the present application discloses a high-voltage test safety protection device. Referring to Figure 1, including ground rail 1, two fixed frame 2 are slidably connected on the ground rail 1, the side wall of the two fixed frame 2 close to each other is provided with insulating plate 3, the bottom wall of the insulating plate 3 is provided with pulley 31, the pulley 31 is slidably connected to the ground rail 1, when the two sides of the insulating plate 3 abut, the transformer substation can be shielded, and the protection effect is achieved; the surface of the insulating plate 3 is provided with safety signs 9 and sensors 7, in the embodiment, the sensor 7 adopts an infrared sensor, the top wall of the fixed frame 2 is provided with a sound and light alarm 8, the sound and light alarm 8 is in communication connection with the sensor 7, so as to issue sound and light alarm when personnel approaches.
[0031] Referring to Figure 1 and Figure 2 , one side of the two insulating plates 3 close to each other is provided with a hidden cavity 32, the hidden cavity 32 is provided with an insulating net 4, the bottom of the insulating net 4 is provided with a roller 43, the roller 43 is in abutment with the bottom of the hidden cavity 32, so as to reduce the abrasion of the insulating net 4 when sliding, the top of the end of the insulating net 4 away from the opening of the hidden cavity 32 is provided with a limiting plate 44, the inside top wall of the hidden cavity 32 is provided with a limiting groove 33, the limiting plate 44 is inserted into the limiting groove 33, the length of the limiting groove 33 is less than the length of the hidden cavity 32, so as to prevent the insulating net 4 from sliding excessively and separating from the hidden cavity 32; the end of the insulating net 4 away from the opening of the hidden cavity 32 is provided with a counterweight 45, so as to keep the balance of the insulating net 4 in the hidden cavity 32, thereby facilitating the recycling of the insulating net 4.
[0032] Referring to Figure 2 and Figure 3 , the end of the insulating net 4 close to the opening of the hidden cavity 32 is provided with a mounting plate 41, the surface of the mounting plate 41 is provided with a plurality of accommodation grooves 411, each accommodation groove 411 is slidably connected with a hook 42, one side of the hook 42 facing the accommodation groove 411 is provided with a guide rod 412, the other end of the guide rod 412 passes through the bottom wall of the accommodation groove 411 and forms a relative sliding connection with the accommodation groove 411, in the embodiment, the other end of the guide rod 412 is provided with a limiting structure, so as to prevent the hook 42 from completely separating from the accommodation groove 411, the guide rod 412 is sleeved with a return spring 413, the return spring 413 is in abutment between the hook 42 and the bottom wall of the accommodation groove 411, under the action of the return spring 413, the hook 42 maintains the tendency of extending out of the accommodation groove 411; the hooks 42 between the two insulating nets 4 are provided with a connecting frame 5, so as to connect the hooks 42 on the same horizontal plane.
[0033] Referring to Figure 2 and Figure 4 , the opening of the hidden cavity 32 is provided with a clamping groove 34, the clamping groove 34 is provided with a shielding plate 6, so as to shield the hidden cavity 32 when the insulating net 4 is not needed, and keep the stability of the insulating net 4 in the hidden cavity 32.
[0034] The implementation principle of the high-voltage test safety protection device is as follows: when the size of the transformer substation is larger than the size that can be covered by two insulating plates 3, the shielding plate 6 in the clamping groove 34 is removed, the hooks 42 are extended to the accommodation groove 411, the two hooks 42 are connected by using the connecting frame 5, the two fixing frames 2 are reversely moved along the ground rail 1, under the action of the pulling force on the two sides, the insulating net 4 can be extended to the hidden cavity 32, thereby cooperating with the insulating plate 3, effectively increasing the size of the protection range, and realizing flexible adjustment of the length of the safety protection device.
[0035] The above are preferred embodiments of the present application, and do not limit the protection scope of the present application, so: any equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.
Claims
1. A high-voltage test safety protection device, characterized in that: The system includes a ground rail (1), on which two fixed frames (2) are slidably connected. Each of the fixed frames (2) has an insulating plate (3) on its side that is close to each other. The bottom wall of the insulating plate (3) is provided with a pulley (31), which is slidably connected to the ground rail (1). A hidden cavity (32) is opened in the insulating plate (3), and an insulating mesh (4) is slidably connected in the hidden cavity (32). An installation plate (41) is provided on the side of the insulating mesh (4) that extends out of the hidden cavity (32). Several hooks (42) are provided on the surface of the installation plate (41), and a connecting frame (5) is provided between the hooks (42) corresponding to the insulating mesh (4) on both sides.
2. The high-voltage test safety protection device according to claim 1, characterized in that: The bottom of the insulating mesh (4) is provided with a roller (43), which abuts against the bottom wall inside the hidden cavity (32).
3. The high-voltage test safety protection device according to claim 1, characterized in that: A limiting plate (44) is provided at the top of the end of the insulating mesh (4) away from the opening of the hidden cavity (32). A limiting groove (33) is provided on the top wall inside the hidden cavity (32) for the limiting plate (44) to be inserted and slid. The length of the limiting groove (33) is less than the length of the hidden cavity (32).
4. The high-voltage test safety protection device according to claim 1, characterized in that: A counterweight (45) is provided at the end of the insulating mesh (4) away from the opening of the hidden cavity (32).
5. A high-voltage test safety protection device according to claim 1, characterized in that: The hidden cavity (32) has a slot (34) at its opening, and a baffle plate (6) is provided in the slot (34).
6. A high-voltage test safety protection device according to claim 5, characterized in that: The mounting plate (41) has several clearance grooves (411) on its surface for the hook (42) to enter. One end of the hook (42) facing the clearance groove (411) is provided with a guide rod (412). The other end of the guide rod (412) passes through the inner wall of the clearance groove (411) and is slidably connected to the inner wall of the clearance groove (411). A return spring (413) is sleeved on the periphery of the guide rod (412). The return spring (413) abuts against the inner wall of the clearance groove (411) and the hook (42). The return spring (413) keeps the hook (42) tending to extend out of the clearance groove (411).
7. A high-voltage test safety protection device according to claim 1, characterized in that: The insulating board (3) is provided with a sensor (7), and the top of the fixing frame (2) is provided with an audible and visual alarm (8), which is communicatively connected to the sensor (7).
8. A high-voltage test safety protection device according to claim 1, characterized in that: The surface of the insulating board (3) is provided with safety markings (9).