Safety warning device for maintenance of transformer substation

Abstract

The utility model discloses a safety warning device for transformer substation maintenance, which comprises a shell A and a shell B. The four corners of the lower end face of the shell A and the four corners of the lower end face of the shell B are each provided with a universal wheel, the middle of the lower end face of the shell A and the middle of the lower end face of the shell B are each provided with a through groove, and the interior of each through groove is provided with an anti-skid plate through an electric push rod. Through grooves are formed in the shell A, balancing weights are installed above the through grooves through cavities, a rotating shaft is arranged on the inner side of the shell A, the outer surface of the rotating shaft is sleeved with a warning tape, three reflective strips are evenly arranged on the front end face of the warning tape, a rocker is arranged on the upper end face of the shell A, and the rocker is in transmission connection with the rotating shaft through a transmission mechanism. By arranging the warning tape capable of being stretched, the function of retaining a maintenance site is achieved, the warning effect and the protection effect are effectively enhanced, and the warning tape can be wound and fixed conveniently after being used.

Description

Technical Field

[0001] The utility model relates to the technical field of auxiliary equipment for transformer substations, in particular to a safety warning device for transformer substation maintenance. Background Art

[0002] A substation is a place in the power system that transforms voltage and current, receives and distributes electrical energy. The substation in a power plant is a step-up substation, which boosts the voltage of the power generated by the generator and feeds it into the high-voltage power grid.

[0003] In the prior art, a utility model patent with publication number CN201845516U discloses a warning sign for a substation, which is installed by a bracket and a clamp on a frame member. The bracket and the clamp are made of aluminum material, which has high strength and strong corrosion resistance and is very safe to use. In addition, during the installation process, the clamp is fixed to the frame member by screws, which is very convenient to install and disassemble.

[0004] However, when the above-mentioned warning sign is used, the warning method is single, and it cannot further play the function of fencing the maintenance site, and the warning effect is not strong; therefore, it does not meet the existing needs. In this regard, we propose a safety warning device for substation maintenance. Utility Model Content

[0005] The utility model aims to provide a safety warning device for substation maintenance, so as to solve the problems that the warning sign proposed in the above background technology has a single warning mode when in use, cannot further play a fencing function for the maintenance site, and has a weak warning effect.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a safety warning device for substation maintenance, comprising a shell A and a shell B, the four end corners of the lower end faces of the shell A and the shell B are equipped with universal wheels, the middle of the lower end faces of the shell A and the shell B are provided with through grooves, the interior of the through grooves is equipped with anti-skid plates through electric push rods, and counterweights are installed above the through grooves through cavities, a rotating shaft is provided on the inner side of the shell A, a warning tape is sleeved on the outer surface of the rotating shaft, and three reflective strips are evenly provided on the front end face of the warning tape, and a rocker is provided on the upper end face of the shell A, and the rocker is connected to the rotating shaft through a transmission mechanism.

[0007] Preferably, the transmission mechanism comprises a transmission cavity, a vertical axis B and a vertical axis A are arranged on the inner side of the transmission cavity, a gear B is sleeved on the outer surface of the vertical axis B, and a gear A is sleeved on the outer surface of the vertical axis A.

[0008] Preferably, the gear B is meshed with the gear A, the upper end surface of the vertical axis A is fixedly connected to the lower end surface of the rocker, and the bottom surface of the vertical axis A is rotatably connected to the inner wall of the transmission cavity via a bearing.

[0009] Preferably, the upper end surface of the vertical axis B is rotatably connected to the inner wall of the transmission cavity via a bearing, the vertical axis B is fixedly connected to the upper end surface of the rotating shaft via a connecting shaft, and the lower end surface of the rotating shaft is rotatably connected to the inner wall of the shell A via a bearing.

[0010] Preferably, the rear end face of the shell A is provided with a threaded hole, the inner side of the threaded hole is connected to a threaded rod via a thread, the front end face of the threaded rod is rotatably connected to a movable plate via a bearing, and the front end face of the movable plate is installed with a plurality of clamping blocks, which are adapted to the gear B.

[0011] Preferably, one end of the warning tape extends to the interior of the shell B, a strip plate is installed inside the shell B, the strip plate and the warning tape are fixedly connected via a slot, the reflective strip and the warning tape are fixedly connected via an adhesive, and batteries are provided inside both the shell A and the shell B, and the batteries are electrically connected to the electric push rod.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model is provided with a rotating shaft, a warning belt, an electric push rod, and an anti-slide plate. When the substation needs to be maintained, the device is first moved to the maintenance site, and the shell A and the shell B are separated. The warning belt is stretched, driving the rotating shaft to rotate. The stretched warning belt can realize the enclosure function of the maintenance site. After moving to a suitable position, the anti-slide plate can be moved downward on the inner side of the through groove by controlling the switch of the electric push rod. The lower end surface of the anti-slide plate contacts the ground, so that the shell A and the shell B are placed stably. The utility model realizes the enclosure function of the maintenance site by providing a stretchable warning belt, which effectively enhances the warning effect and the protective effect;

[0014] 2. The utility model is provided with a transmission mechanism. When there is no need to enclose, the shell A and the shell B can be moved together. The vertical shaft A can be driven to rotate by turning the rocker, thereby driving the gear A to rotate. The rotation of gear A drives the gear B to rotate, which drives the vertical shaft B to rotate, drives the connecting shaft to rotate, and drives the rotating shaft to rotate, thereby driving the warning tape to be reeled. After the reeling is completed, the threaded rod can be rotated, and the threaded rod can move forward on the inner side of the threaded hole, driving the movable plate to move forward, thereby driving the block to move, and the gear B can be limited to prevent the vertical shaft B from rotating, thereby preventing the rotating shaft from rotating. The utility model is convenient for reeling in and fixing the warning tape and is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a main cross-sectional view of the utility model as a whole;

[0017] Figure 3 It is a main sectional view of the transmission mechanism of the utility model;

[0018] Figure 4 It is a top sectional view of the transmission mechanism of the utility model.

[0019] In the figure: 1. Shell A; 2. Rocker; 3. Shell B; 4. Universal wheel; 5. Counterweight; 6. Warning tape; 7. Transmission mechanism; 701. Vertical axis A; 702. Gear A; 703. Transmission cavity; 704. Vertical axis B; 705. Gear B; 706. Connecting shaft; 707. Threaded rod; 708. Threaded hole; 709. Moving plate; 710. Block; 8. Rotating shaft; 9. Reflective strip; 10. Electric push rod; 11. Through slot; 12. Anti-skid plate. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] The electric push rod 10 (model LBP40) mentioned in the present invention can be purchased from the market or obtained by private customization.

[0022] See also Figures 1 to 4 The utility model provides an embodiment: a safety warning device for substation maintenance, including a shell A1 and a shell B3, the four end corners of the lower end faces of the shell A1 and the shell B3 are equipped with universal wheels 4, the middle of the lower end faces of the shell A1 and the shell B3 are provided with through grooves 11, the interior of the through grooves 11 is equipped with anti-skid plates 12 through electric push rods 10, and the upper part of the through grooves 11 is equipped with counterweights 5 through cavities, a rotating shaft 8 is provided on the inner side of the shell A1, and a warning tape 6 is sleeved on the outer surface of the rotating shaft 8, and three reflective strips 9 are evenly arranged on the front end face of the warning tape 6, and a rocker 2 is provided on the upper end face of the shell A1, and the rocker 2 is connected to the rotating shaft 8 through a transmission mechanism 7.

[0023] Furthermore, the transmission mechanism 7 includes a transmission cavity 703, the inner side of which is provided with a vertical shaft B704 and a vertical shaft A701, the outer surface of the vertical shaft B704 is sleeved with a gear B705, the outer surface of the vertical shaft A701 is sleeved with a gear A702, the gear B705 is meshed with the gear A702, the upper end surface of the vertical shaft A701 is fixedly connected to the lower end surface of the rocker 2; the bottom surface of the vertical shaft A701 is rotatably connected to the inner wall of the transmission cavity 703 through a bearing; the upper end surface of the vertical shaft B704 is connected to the transmission cavity The inner wall of 703 is rotatably connected via a bearing, the vertical axis B704 is fixedly connected to the upper end surface of the rotating axis 8 via a connecting axis 706, and the lower end surface of the rotating axis 8 is rotatably connected to the inner wall of the shell A1 via a bearing. The vertical axis A701 can be driven to rotate by rotating the rocker 2, thereby driving the gear A702 to rotate. The rotation of the gear A702 drives the gear B705 to rotate, drives the vertical axis B704 to rotate, drives the connecting axis 706 to rotate, and drives the rotating axis 8 to rotate, thereby driving the warning tape 6 to be rolled up.

[0024] A threaded hole 708 is provided on the rear end face of the shell A1, and a threaded rod 707 is threadedly connected to the inner side of the threaded hole 708, and the front end face of the threaded rod 707 is rotatably connected to a movable plate 709 through a bearing. A plurality of clamping blocks 710 are installed on the front end face of the movable plate 709, and the clamping blocks 710 are adapted to the gear B705. The threaded rod 707 can be rotated so that the threaded rod 707 moves forward on the inner side of the threaded hole 708, driving the movable plate 709 to move forward, thereby driving the clamping blocks 710 to move, and the gear B705 can be limited.

[0025] One end of the warning tape 6 extends to the interior of the shell B3. A strip plate is installed inside the shell B3. The strip plate and the warning tape 6 are fixedly connected by a slot. The reflective strip 9 and the warning tape 6 are fixedly connected by an adhesive. Batteries are provided inside the shell A1 and the shell B3. The batteries are electrically connected to the electric push rod 10. The batteries can provide power for the electric push rod 10.

[0026] When the substation maintenance safety warning device is in use, when the substation needs to be maintained, the device is first moved to the maintenance site, the shell A1 and the shell B3 are separated, the warning belt 6 is stretched, and the rotating shaft 8 is driven to rotate. The stretched warning belt 6 can realize the enclosure function of the maintenance site. After moving to a suitable position, the anti-slide plate 12 can be moved downward on the inner side of the through groove 11 by controlling the switch of the electric push rod 10. The lower end surface of the anti-slide plate 12 contacts the ground, so that the shell A1 and the shell B3 are placed stably. When it is not necessary to carry out enclosure, the shell A1 and the shell B3 can be moved together, and the vertical shaft A701 can be driven to rotate by turning the rocker 2, thereby driving the gear A702. Rotate, the gear A702 rotates to drive the gear B705 to rotate, drive the vertical shaft B704 to rotate, drive the connecting shaft 706 to rotate, and drive the rotating shaft 8 to rotate, so that the warning tape 6 can be driven to reel in. After the reeling is completed, the threaded rod 707 can be rotated, and the threaded rod 707 can move forward on the inner side of the threaded hole 708, driving the movable plate 709 to move forward, thereby driving the block 710 to move, and the gear B705 can be limited to prevent the vertical shaft B704 from rotating, and then prevent the rotating shaft 8 from rotating. The utility model realizes the function of fencing the maintenance site by providing an elongated warning tape 6, effectively enhancing the warning effect and the protective effect, and it is convenient to reel in and fix the warning tape 6 after use.

[0027] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A safety warning device for substation maintenance, comprising a housing A (1) and a housing B (3), characterized in that: Universal wheels (4) are installed at the four end corners of the lower end faces of the shell A (1) and the shell B (3); a through slot (11) is provided in the middle of the lower end faces of the shell A (1) and the shell B (3); an anti-slip plate (12) is installed inside the through slot (11) through an electric push rod (10); a counterweight (5) is installed above the through slot (11) through a cavity; a rotating shaft (8) is provided on the inner side of the shell A (1); a warning strip (6) is sleeved on the outer surface of the rotating shaft (8); three reflective strips (9) are evenly arranged on the front end face of the warning strip (6); a rocker (2) is provided on the upper end face of the shell A (1); the rocker (2) is connected to the rotating shaft (8) through a transmission mechanism (7).

2. A safety warning device for substation maintenance according to claim 1, characterized in that: The transmission mechanism (7) comprises a transmission cavity (703), a vertical axis B (704) and a vertical axis A (701) are arranged on the inner side of the transmission cavity (703), a gear B (705) is sleeved on the outer surface of the vertical axis B (704), and a gear A (702) is sleeved on the outer surface of the vertical axis A (701).

3. A safety warning device for substation maintenance according to claim 2, characterized in that: The gear B (705) is meshed with the gear A (702), the upper end surface of the vertical axis A (701) is fixedly connected to the lower end surface of the rocker (2), and the bottom surface of the vertical axis A (701) is rotatably connected to the inner wall of the transmission cavity (703) via a bearing.

4. A safety warning device for substation maintenance according to claim 2, characterized in that: The upper end surface of the vertical shaft B (704) is rotatably connected to the inner wall of the transmission chamber (703) via a bearing, the vertical shaft B (704) is fixedly connected to the upper end surface of the rotating shaft (8) via a connecting shaft (706), and the lower end surface of the rotating shaft (8) is rotatably connected to the inner wall of the shell A (1) via a bearing.

5. A safety warning device for substation maintenance according to claim 2, characterized in that: A threaded hole (708) is provided on the rear end face of the housing A (1), a threaded rod (707) is connected to the inner side of the threaded hole (708) via a thread, a movable plate (709) is rotatably connected to the front end face of the threaded rod (707) via a bearing, a plurality of clamping blocks (710) are installed on the front end face of the movable plate (709), and the clamping blocks (710) are adapted to the gear B (705).

6. A safety warning device for substation maintenance according to claim 1, characterized in that: One end of the warning tape (6) extends to the interior of the shell B (3), a strip plate is installed inside the shell B (3), the strip plate is fixedly connected to the warning tape (6) through a slot, the reflective strip (9) is fixedly connected to the warning tape (6) through an adhesive, and batteries are arranged inside the shell A (1) and the shell B (3), and the batteries are electrically connected to the electric push rod (10).

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