Maintenance lifting frame for transformer substation

Abstract

The utility model discloses a maintenance lifting frame for a transformer substation. The maintenance lifting frame comprises a plurality of supporting legs and a pedal, each supporting leg comprises a vertical pipe, a first worm gear set, a second worm gear set, a vertical rod and a binding rod, the first worm gear set and the second worm gear set are arranged on the vertical pipe, the vertical rod and the binding rod are arranged in the vertical pipe in a sliding mode, the vertical rod is in threaded fit with the first worm gear set, and the binding rod is in threaded fit with the second worm gear set; a sliding groove penetrating through the interior of the vertical pipe is formed in one side of the vertical pipe in the length direction of the vertical pipe, a lug plate is arranged on one side of the vertical rod, and the lug plate is in sliding fit with the sliding groove. And a plurality of corners of the pedal are respectively lapped on the lug plates. The device is formed by assembling the multiple independent supporting legs and the pedal and is convenient to mount, dismount and carry, the vertical rods can be controlled to stretch out and draw back by manually controlling the first worm gear set so that the height of the lug plate can be adjusted, namely the height of the pedal can be adjusted, and the pricking rods can be controlled to stretch out and draw back by manually controlling the second worm gear set so that the pricking rods can be pricked into the ground. Therefore, the lifting frame is stabilized.

Description

Technical Field

[0001] The utility model relates to the technical field of electric power maintenance equipment, in particular to a transformer substation maintenance lifting frame. Background Art

[0002] Substation maintenance racks are mainly used to support and protect power equipment, allowing maintenance personnel to perform maintenance and overhaul work safely and conveniently. In urban areas, due to the well-developed infrastructure and flat and solid ground, the maintenance rack can stably support the equipment and facilitate maintenance personnel to operate. However, in the wild, the situation is more complicated. First, the ground conditions in the wild are usually not as good as in urban areas. It may be soft soil, uneven ground or terrain with a large slope. This causes the maintenance rack to easily tilt or fall over when used in the wild, and lacks stability. Secondly, the wild environment may lack necessary supporting facilities, such as fixed infrastructure. This makes it more difficult to build and maintain the rack in the wild, and its stability and safety cannot be ensured.

[0003] In view of these problems, it is necessary to design a substation maintenance lifting frame that can better adapt to the complex terrain in the field and is safe and stable. Utility Model Content

[0004] In order to overcome the shortcomings of the above-mentioned prior art, the utility model discloses a substation maintenance lifting frame, which can better adapt to complex outdoor terrain and ensure that the maintenance frame will not collapse easily under harsh conditions, so as to be used in areas lacking infrastructure.

[0005] The technical solution is as follows: A substation maintenance lifting frame, including a plurality of supporting legs and pedals arranged in a rectangular shape; the supporting legs include a vertical tube, a worm gear set 1 and a worm gear set 2 arranged on the vertical tube, a vertical rod and a tie rod slidably arranged in the vertical tube, wherein the vertical rod is threadedly matched with the worm gear set 1, and the tie rod is threadedly matched with the worm gear set 2; a sliding groove that runs through the tube is opened on one side of the vertical tube along its length direction, and an ear plate is provided on one side of the vertical rod, and the ear plate is slidably matched with the sliding groove; the pedal is placed on the ear plate.

[0006] Furthermore, a crossbeam is provided between two adjacent vertical pipes, and the crossbeam is connected to the vertical pipes via a pipe clamp.

[0007] Furthermore, a chassis is provided at one end of the vertical pipe close to the worm gear assembly 2.

[0008] Furthermore, a ladder is provided on one side of one of the vertical pipes.

[0009] Furthermore, any two of the worm gear sets 1 and any two of the worm gear sets 2 are respectively connected by a transmission rod, the worm ends of the worm gear set 1 and the worm gear set 2 are both provided with a cross spline, and both ends of the transmission rod are provided with a cross spline sleeve.

[0010] Furthermore, the ear plate is connected to the vertical rod via a hinge, and the maximum movable angle of the hinge is 90°.

[0011] Furthermore, the tie rod is conical, and a rust-proof coating is provided on its surface.

[0012] The beneficial effects are: the utility model is assembled from multiple separate supporting legs and pedals, which is easy to install and disassemble, and easy to carry after disassembly. Among them, the vertical rod can be controlled to be extended and retracted by manually controlling the worm gear group 1, so as to adjust the height of the ear plate, and the height of the pedal can be adjusted. The worm gear group 2 can be manually controlled to control the extension and retraction of the tie rod so that the tie rod is driven into the ground to stabilize the lifting frame. The utility model is purely manually controlled and can be used outdoors without electricity without restrictions. In addition, the lifting frame is assembled by splicing, which is convenient to disassemble and carry and has high flexibility. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the utility model.

[0014] Figure 2 The utility model is a schematic diagram of the connection relationship between the worm gear set 1 and the vertical rod, and the worm gear set 2 and the tie rod.

[0015] Figure 3 The utility model is a side view structural diagram of a vertical pipe, a worm gear set 1, a worm gear set 2, a tie rod, a vertical rod, an ear plate, a slide groove and a cross beam.

[0016] Figure 4 It is a longitudinal cross-sectional schematic diagram of the worm gear set 1 and the transmission rod of the utility model.

[0017] Figure 5 The utility model is a schematic diagram of the connection relationship between the internal structure of the worm gear assembly and the transmission rod.

[0018] Figure 6 It is a structural diagram of the vertical rod and the ear plate of the utility model.

[0019] In the accompanying drawings: 1_vertical tube, 2_worm gear set 1, 3_worm gear set 2, 4_tie rod, 5_vertical rod, 6_ear plate, 7_chute, 8_crossbeam, 9_ladder, 10_chassis, 11_transmission rod, 12_pedal. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the utility model clearer, the utility model will be further described in detail in conjunction with the accompanying drawings. It is hereby stated that the directional words such as upper, lower, left, right, front, rear, inside and outside that appear or will appear in the text of the utility model are only based on the accompanying drawings of the utility model, and they are not specific limitations of the utility model. In order to make the drawings concise, each figure only schematically shows the parts related to the utility model, and they do not represent the actual structure of the product. In addition, in order to make the drawings concise and easy to understand, in some figures, only one of the components with the same structure or function is schematically drawn, or only one of them is marked. In this article, "one" not only means "only one", but also can mean "more than one".

[0021] In this article, 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 this utility model can be understood according to specific circumstances.

[0022] A substation maintenance lifting frame, such as Figure 1-6 As shown, it includes a plurality of supporting legs and pedals 12 arranged in a rectangular shape. Specifically, in this embodiment, there are four supporting legs, wherein the supporting legs include a vertical tube 1, a worm gear set 1 2, a worm gear set 2 3, a tie rod 4 and a vertical rod 5. The vertical tube 1 is a hollow steel tube. A cross beam 8 is arranged between two adjacent vertical tubes 1. The cross beam 8 is connected to the vertical tube 1 through a pipe clamp. The worm gear set 1 2 and the worm gear set 2 3 are fixedly mounted on the vertical tube 1. The structures of the worm gear set 1 2 and the worm gear set 2 3 are exactly the same. The vertical rod 5 and the tie rod 4 are slidably connected to the vertical tube 1. Moreover, the vertical rod 5 is threadedly matched with the worm gear set 1 2, and the tie rod 4 is threadedly matched with the worm gear set 2 3. The tie rod 4 is conical and coated with anti-rust paint on the surface. The tie rod 4 needs to be driven into the ground when in use. The underground is humid and will rust after long-term use. There is a risk of breakage. Therefore, it is necessary to paint its surface or use stainless steel to make the tie rod 4.

[0023] For details, please refer to Figure 2 and Figure 5 The center of the worm wheel in the worm gear set 2 and the outer side of the vertical rod 5 are respectively provided with internal and external threads that cooperate with each other. By rotating the worm by the hand wheel, the worm will drive the worm wheel to rotate, and the worm wheel will drive the vertical rod 5 to slide along the vertical tube 1. The use of the tie rod 4 and the worm gear set 2 3 is the same.

[0024] Any two worm gear sets 2 of the lifting frame are connected through the transmission rod 11. By installing a handwheel on one of the worm gear sets 2, more than two worm gear sets 2 can be controlled to rotate synchronously, so that the vertical rods 5 can be controlled to extend and retract synchronously at the same time. The worm end of the worm gear set 2 is provided with a cross spline, and the two ends of the transmission rod 11 are provided with a cross spline sleeve. When in use, the cross spline sleeve can be connected with the cross spline sleeve. Similarly, any two worm gear sets 2 3 are also connected through the transmission rod 11.

[0025] like Figure 3 and Figure 5 A slide groove 7 is provided on one side of the vertical tube 1 and is arranged along the length direction and runs through the tube. An ear plate 6 is provided on one side of the vertical rod 5 through a hinge. The maximum movable angle of the hinge is 90°. When the hinge is opened, the ear plate 6 is perpendicular to the vertical rod 5, and the ear plate 6 slides in the slide groove 7. The four corners of the pedal 12 are respectively placed on the four ear plates 6.

[0026] A chassis 10 is provided at one end of the vertical pipe 1 close to the worm gear set 2 3. The chassis 10 has a large area and is in contact with the ground when in use, which can effectively stabilize the lifting frame. A ladder 9 is also provided on one side of one of the vertical pipes 1 to facilitate the staff to get on and off the lifting frame.

[0027] The above-mentioned embodiments only express the preferred implementation of the utility model, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications, improvements and substitutions can be made without departing from the concept of the present invention, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A substation maintenance lifting frame, characterized in that: The invention comprises a plurality of supporting legs and pedals (12) arranged in a rectangular shape; the supporting legs comprise a vertical tube (1), a worm gear set 1 (2) and a worm gear set 2 (3) arranged on the vertical tube (1), a vertical rod (5) and a tie rod (4) slidably arranged in the vertical tube (1), wherein the vertical rod (5) is threadedly matched with the worm gear set 1 (2), and the tie rod (4) is threadedly matched with the worm gear set 2 (3); a sliding groove (7) penetrating the tube is provided on one side of the vertical tube (1) along its length direction, and an ear plate (6) is provided on one side of the vertical rod (5), and the ear plate (6) is slidably matched with the sliding groove (7); the pedal (12) is mounted on the ear plate (6).

2. A substation maintenance lifting frame according to claim 1, characterized in that: A crossbeam (8) is provided between two adjacent vertical pipes (1), and the crossbeam (8) is connected to the vertical pipes (1) via a pipe clamp.

3. A substation maintenance lifting frame according to claim 1, characterized in that: A chassis (10) is provided at one end of the vertical pipe (1) close to the second worm gear assembly (3).

4. A substation maintenance lifting frame according to claim 1, characterized in that: A ladder (9) is provided on one side of one of the vertical pipes (1).

5. The substation maintenance lifting frame according to claim 1, characterized in that: Any two of the worm gear sets 1 (2) and any two of the worm gear sets 2 (3) are respectively connected by transmission through a transmission rod (11), the ends of the worms of the worm gear sets 1 (2) and 2 (3) are both provided with cross splines, and both ends of the transmission rod (11) are provided with cross spline sleeves.

6. A substation maintenance lifting frame according to claim 1, characterized in that: The ear plate (6) is connected to the vertical rod (5) via a hinge, and the maximum movable angle of the hinge is 90°.

7. The substation maintenance lifting frame according to claim 1, characterized in that: The tie rod (4) is conical and has an anti-rust coating on its surface.

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