Automatic telescopic safety warning fence device for top of switch cabinet in transformer substation

Abstract

The invention discloses an automatic telescopic safety warning fence device for a switch cabinet top in a transformer substation, and aims to provide the automatic telescopic safety warning fence device for the switch cabinet top in the transformer substation, which can be used for conveniently, quickly and safely arranging a safety measure fence for a demarcation point of an electrified part and a power failure part on the switch cabinet top. The cabinet top warning device comprises two telescopic supporting devices and a cabinet top warning device, wherein each telescopic supporting device comprises a movable base; the height of the vertical telescopic rod can be adjusted, and the vertical telescopic rod is arranged on the movable base; the cabinet top warning device comprises a transverse ejector rod, one end of the transverse ejector rod is fixed to the top end of the vertical telescopic rod of one telescopic supporting device, and the other end of the transverse ejector rod is separably supported at the top end of the vertical telescopic rod of the other telescopic supporting device. And the safety warning banner is hung on the transverse ejector rod.

Description

Technical Field

[0001] The invention relates to the field of switch cabinet maintenance and safety measures in a substation, and in particular to an automatic telescopic safety warning fence device for the top of a switch cabinet in a substation. Background Art

[0002] With the rapid expansion of the scale of power grids and the construction of intelligent substations, there are more and more switch cabinets in substations. The switch cabinets are generally arranged in multiple rows, and each row of switch cabinets includes several switch cabinets. At the same time, the switch cabinets are generally high. When the 10kV or 35kV busbar in the substation is shut down for maintenance, the staff climbs to the top of the switch cabinet for maintenance. Therefore, before maintenance, a safety measure fence at the boundary between the live part and the power-off part needs to be arranged on the top of the switch cabinet. At present, the safety measure fence at the boundary between the live part and the power-off part on the top of the switch cabinet is arranged by the staff climbing to the top of the switch cabinet; this is not only time-consuming and laborious to arrange the safety measures, but also there is a risk of falling from a height when the staff are working at height to arrange the fence safety measures. Summary of the invention

[0003] The purpose of the present invention is to overcome the problem in the prior art that workers have to climb up to work, and arranging a safety measure fence at the boundary between the live part and the power-off part on the top of the switch cabinet is time-consuming and labor-intensive, and may cause the risk of falling from a height. An automatic retractable safety warning fence device for the top of a switch cabinet in a substation is provided, which can conveniently, quickly and safely arrange a safety measure fence at the boundary between the live part and the power-off part on the top of the switch cabinet.

[0004] The technical solution of the present invention is: An automatic telescopic safety warning fence device for the top of a switch cabinet in a substation is characterized in that it comprises two telescopic support devices and a cabinet top warning device. The telescopic support device comprises: Mobile base; A vertical telescopic rod capable of adjusting the height, the vertical telescopic rod being arranged on the mobile base; The cabinet top warning device comprises: A transverse push rod, one end of which is fixed to the top of the vertical telescopic rod of one of the telescopic support devices, and the other end of which is detachably supported on the top of the vertical telescopic rod of the other telescopic support device; Safety warning banner, safety warning banner is hung on the horizontal top rod.

[0005] In actual use, the switch cabinet in the substation is located between two telescopic support devices, which are supported on the ground by a mobile base. The transverse top rod is located above the switch cabinet, and the safety warning banner is also located above the switch cabinet.

[0006] The specific use of the automatic retractable safety warning fence device on the top of the switch cabinet in the substation of this scheme is as follows: Move the two telescopic support devices to the boundary between the energized part and the power-off part of the switch cabinet, the telescopic support devices are supported on the ground by a mobile base, and the switch cabinet in the substation is located between the two telescopic support devices; Next, adjust the height of the vertical telescopic rod and the horizontal top rod of one of the telescopic support devices so that the horizontal top rod is higher than the switch cabinet; then adjust the position of the movable base so that the horizontal top rod spans directly above the switch cabinet; Then, adjust the height of the vertical telescopic rod of another telescopic support device so that the other end of the horizontal top rod is supported on the top of the vertical telescopic rod. In this way, the safety measure fence can be stably arranged at the boundary between the live part and the power-off part on the top of the switch cabinet, and the staff can arrange it on the ground without climbing up to the top of the switch cabinet for arrangement. Therefore, the safety measure fence at the boundary between the live part and the power-off part on the top of the switch cabinet can be arranged conveniently, quickly and safely; effectively solving the problem that the existing technology uses staff to climb up to arrange the safety measure fence at the boundary between the live part and the power-off part on the top of the switch cabinet, which is time-consuming and labor-intensive, and may cause the risk of falling from a height.

[0007] Preferably, the vertical telescopic rod is a vertically distributed electric telescopic rod or a hydraulic telescopic rod. In this way, the height of the horizontal top rod can be automatically adjusted, further improving the convenience of arranging the safety warning fence.

[0008] Preferably, a support roller with a brake is installed on the mobile base. In this way, the mobile base can be conveniently moved by the support roller, and then the telescopic support device can be conveniently moved, thereby further improving the convenience of arranging the safety warning fence. At the same time, after the two telescopic support devices move to the boundary between the live part and the power-off part of the switch cabinet, the support roller can be locked by the brake to make the telescopic support device stably stop at the boundary between the live part and the power-off part of the switch cabinet.

[0009] Preferably, one end of the transverse push rod is fixed to the top end of the vertical telescopic rod of one of the telescopic support devices by means of bolts, so as to facilitate the installation and fixation of the transverse push rod.

[0010] Preferably, the top end of the vertical telescopic rod of the other telescopic support device is provided with a top rod support opening with an opening facing upwards. In this way, the other end of the lateral top rod will be supported in the top rod support opening, so that the vertical telescopic rod of the other telescopic support device can stably support the other end of the lateral top rod, and prevent the other end of the lateral top rod from being separated from the vertical telescopic rod of the other telescopic support device.

[0011] Preferably, the transverse push rod is a manual telescopic rod. In this way, the length of the transverse push rod can be adjusted according to the actual width of the switch cabinet to adapt to the use of switch cabinets of different widths, thereby improving versatility.

[0012] As a preference, the transverse top rod is an insulating rod. Since the switch cabinet is a live device, the transverse top rod is an insulating rod, which is beneficial to improving the safety of the device.

[0013] As a preferred embodiment, the vertical telescopic rod is an insulating rod. Since the switch cabinet is a live device, the vertical telescopic rod is an insulating rod, which is beneficial to improving the safety of the device.

[0014] Preferably, the safety warning banner is a banner made of a plastic plate or a cloth sheet.

[0015] The beneficial effects of the present invention are as follows: the safety measure fence can be stably arranged at the boundary between the live part and the power-off part on the top of the switch cabinet, and the staff can arrange it on the ground without the need for the staff to climb onto the top of the switch cabinet to arrange it, so the safety measure fence at the boundary between the live part and the power-off part on the top of the switch cabinet can be arranged conveniently, quickly and safely; it effectively solves the problem in the prior art that the staff use height-based operations to arrange the safety measure fence at the boundary between the live part and the power-off part on the top of the switch cabinet, which is time-consuming and labor-intensive, and may cause the risk of falling from a height. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The invention is a structural schematic diagram of the automatic telescopic safety warning fence device for the top of a switch cabinet in a transformer substation during actual use.

[0017] Figure 2 It is a structural schematic diagram of one of the telescopic support devices of the present invention.

[0018] Figure 3 It is a structural schematic diagram of another telescopic support device of the present invention.

[0019] In the figure: Telescopic support device 1, movable base 1.1, vertical telescopic rod 1.2, supporting roller 1.3, top rod supporting opening 1.4, U-shaped member 1.5; Cabinet top warning device 2, horizontal top bar 2.1, safety warning banner 2.2; Switchgear 3. DETAILED DESCRIPTION

[0020] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments: Specific embodiment 1, as Figure 1 , Figure 2As shown, an automatic telescopic safety warning fence device for the top of a switch cabinet in a substation includes two telescopic support devices 1 and a cabinet top warning device 2. The telescopic support device 1 includes a movable base 1.1 and a vertical telescopic rod 1.2 capable of adjusting the height. The vertical telescopic rod 1.2 is arranged on the movable base 1.1. The cabinet top warning device 2 includes a transverse top rod 2.1 and a safety warning banner 2.2. One end of the transverse top rod 2.1 is fixed to the top of the vertical telescopic rod 1.2 of one of the telescopic support devices 1. The other end of the transverse top rod 2.1 can be detachably supported on the top of the vertical telescopic rod 1.2 of the other telescopic support device 1. The safety warning banner 2.2 is hung on the transverse top rod 2.1.

[0021] In actual use, the switch cabinet 3 in the substation is located between two telescopic support devices 1, which are supported on the ground by a movable base 1.1. The transverse top rod 2.1 is located above the switch cabinet 3, and the safety warning banner 2.2 is also located above the switch cabinet 3.

[0022] The specific use of the automatic telescopic safety warning fence device for the top of the switch cabinet in the substation of this embodiment is as follows: Move the two telescopic support devices 1 to the boundary between the live part and the power-off part of the switch cabinet 3, the telescopic support device 1 is supported on the ground by the mobile base 1.1, and the switch cabinet 3 in the substation is located between the two telescopic support devices 1; Next, adjust the height of the vertical telescopic rod 1.1 and the horizontal top rod 2.1 of one of the telescopic support devices 1 so that the horizontal top rod 2.1 is higher than the switch cabinet 3; then adjust the position of the movable base 1.1 so that the horizontal top rod 2.1 spans directly above the switch cabinet 3; Next, adjust the height of the vertical telescopic rod 1.1 of the other telescopic support device 1 so that the other end of the horizontal top rod 2.1 is supported on the top of the vertical telescopic rod 1.1. In this way, the safety measure fence can be stably arranged at the boundary between the live part and the power-off part on the top of the switch cabinet 3, and the staff can arrange it on the ground without climbing up to the top of the switch cabinet 3 for arrangement. Therefore, the safety measure fence at the boundary between the live part and the power-off part can be arranged conveniently, quickly and safely on the top of the switch cabinet 3; effectively solving the problem in the prior art that the staff use the high-altitude operation to arrange the safety measure fence at the boundary between the live part and the power-off part on the top of the switch cabinet 3, which is time-consuming and labor-intensive, and may cause the risk of falling from a height.

[0023] In one implementation of this embodiment, the vertical telescopic rod 1.1 is a vertically distributed electric telescopic rod or a hydraulic telescopic rod. In this way, the height of the horizontal top rod 2.1 can be automatically adjusted, further improving the convenience of arranging the safety warning fence.

[0024] In another implementation of this embodiment, the vertical telescopic rod 1.1 is a manual telescopic rod, and the height of the vertical telescopic rod 1.1 is adjusted manually.

[0025] Furthermore, a support roller 1.3 with a brake is installed on the mobile base 1.1. In this way, the mobile base 1.1 can be conveniently moved by the support roller 1.3, and then the telescopic support device 1 can be conveniently moved, thereby further improving the convenience of arranging the safety warning fence. At the same time, after the two telescopic support devices 1 move to the boundary between the live part and the power-off part of the switch cabinet 3, the telescopic support device 1 can be stably stopped at the boundary between the live part and the power-off part of the switch cabinet 3 by locking the support roller with a brake. In this embodiment, the support roller is a universal wheel. There are four universal wheels distributed on the mobile base 1.1, front, back, left and right.

[0026] In this embodiment, the mobile base 1.1 is also provided with a lifting handle, so that the mobile base 1.1 can be moved by pulling the lifting handle.

[0027] Furthermore, one end of the transverse top rod 2.1 is fixed to the top end of the vertical telescopic rod 1.1 of one of the telescopic support devices 1 by means of bolts, so that the installation and fixation of the transverse top rod 2.1 is facilitated.

[0028] Of course, it needs to be said that the purpose is that one end of the transverse top rod 2.1 is also fixed to the top end of the vertical telescopic rod 1.1 of one of the telescopic support devices 1 by welding or riveting.

[0029] Furthermore, the top of the vertical telescopic rod 1.1 of the other telescopic support device 1 is provided with a top rod support opening 1.4 with an opening facing upward. In this way, the other end of the transverse top rod 2.1 will be supported in the top rod support opening 1.4, and the other end of the transverse top rod 2.1 is limited by the top rod support opening, so that the vertical telescopic rod 1.1 of the other telescopic support device 1 can stably support the other end of the transverse top rod 2.1, and prevent the other end of the transverse top rod 2.1 from detaching from the vertical telescopic rod 1.1 of the other telescopic support device 1.

[0030] In this embodiment, a U-shaped piece 1.5 or a semicircular piece with an upward opening is fixed to the top end of the vertical telescopic rod 1.1 of the other telescopic support device 1, and the inner hole of the U-shaped piece or the semicircular piece constitutes the top rod support opening.

[0031] Furthermore, the transverse push rod 2.1 is a manual telescopic rod. In this way, the length of the transverse push rod 2.1 can be adjusted according to the actual width of the switch cabinet 3 to adapt to the use of switch cabinets 3 of different widths, thereby improving versatility.

[0032] Furthermore, the transverse top rod 2.1 is an insulating rod. Since the switch cabinet 3 is a live device, the transverse top rod 2.1 is an insulating rod, which is beneficial to improving the safety of the device.

[0033] Furthermore, the vertical telescopic rod 1.1 is an insulating rod. Since the switch cabinet 3 is a live device, the vertical telescopic rod 1.1 is an insulating rod, which is beneficial to improving the safety of the device.

[0034] In one implementation of this embodiment, the safety warning banner 2.2 is a banner made of cloth, so that the production, installation and replacement of the safety warning banner 2.2 are convenient.

[0035] In another implementation of this embodiment, the safety warning banner 2.2 is a banner made of a plastic plate, so that the production, installation and replacement of the safety warning banner 2.2 are convenient.

[0036] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any way. Any simple modification, change and equivalent transformation made to the above embodiment based on the technical essence of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. An automatic telescopic safety warning fence device for the top of a switch cabinet in a substation, characterized in that: It includes two telescopic support devices and a cabinet top warning device. The telescopic support device comprises: Mobile base; A vertical telescopic rod capable of adjusting the height, the vertical telescopic rod being arranged on the mobile base; The cabinet top warning device comprises: A transverse push rod, one end of which is fixed to the top of the vertical telescopic rod of one of the telescopic support devices, and the other end of which is detachably supported on the top of the vertical telescopic rod of the other telescopic support device; Safety warning banner, safety warning banner is hung on the horizontal top rod.

2. The automatic retractable safety warning fence device for the top of the switch cabinet in the substation according to claim 1 is characterized in that: In actual use, the switch cabinet in the substation is located between two telescopic support devices, which are supported on the ground by a mobile base. The transverse top rod is located above the switch cabinet, and the safety warning banner is also located above the switch cabinet.

3. The automatic telescopic safety warning fence device for the top of the switch cabinet in the substation according to claim 1 is characterized in that: The vertical telescopic rod is a vertically distributed electric telescopic rod or a hydraulic telescopic rod.

4. The automatic telescopic safety warning fence device for the top of the switch cabinet in the substation according to claim 1, 2 or 3, characterized in that: Support rollers with brakes are installed on the mobile base.

5. The automatic telescopic safety warning fence device for the top of the switch cabinet in the substation according to claim 1, 2 or 3, characterized in that: One end of the transverse push rod is fixed to the top end of the vertical telescopic rod of one of the telescopic support devices by means of bolts.

6. The automatic telescopic safety warning fence device for the top of the switch cabinet in the substation according to claim 1, 2 or 3, characterized in that: The top end of the vertical telescopic rod of the other telescopic support device is provided with a top rod support opening which opens upward.

7. The automatic telescopic safety warning fence device for the top of the switch cabinet in the substation according to claim 1, 2 or 3, characterized in that: The transverse push rod is a manual telescopic rod.

8. The automatic telescopic safety warning fence device for the top of the switch cabinet in the substation according to claim 1, 2 or 3, characterized in that: The transverse top rod is an insulating rod.

9. The automatic telescopic safety warning fence device for the top of the switch cabinet in the substation according to claim 1, 2 or 3, characterized in that: The vertical telescopic rod is an insulating rod.

10. The automatic telescopic safety warning fence device for the top of the switch cabinet in the substation according to claim 1, 2 or 3, characterized in that: The safety warning banner is a banner made of a plastic plate or a cloth sheet.

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