Dam crest traction device of hydropower station flow channel maintenance platform

Abstract

A dam crest traction device of a hydropower station runner maintenance platform comprises a rack, a top plate is arranged at the top of the rack, a vertical guide rope vertical rod is arranged in the middle of the top plate, a telescopic joint is arranged at one end of the top plate, a fixing seat is arranged on the telescopic joint, and a balance weight pull rope is connected to the fixing seat. The counterweight pull rope penetrates through the rope guide vertical rod and is connected with a counterweight vehicle arranged on the other side of the rack; a first winch is further arranged at the end, away from the telescopic joint, of the top plate, and a material pulling rope is arranged on the first winch and penetrates through the rope guiding vertical rod. A second winch is further arranged at the bottom of the end, close to the telescopic joint, of the top plate and provided with a hanging basket traction rope. By the adoption of the structure, the problems in the prior art can be effectively solved, the purpose of more convenient runner overhauling operation is achieved, the problems of winch load and traction rope damage are solved, and meanwhile independent lifting operation of tool equipment can be carried out in the overhauling process.

Description

Technical Field

[0001] The utility model relates to the technical field of flow channel maintenance construction of a hydropower station, in particular to a dam top traction device of a flow channel maintenance platform of a hydropower station. Background Art

[0002] During the maintenance of the flow channel of a hydropower station, the maintenance basket needs to be towed and lowered by the traction equipment on the top of the dam to enable the maintenance personnel to move into the flow channel. The current traction equipment generally relies on a winch. Due to the large overall weight of the basket, the winch load is heavy. In addition, due to the lack of a guide mechanism, the friction between the traction rope and the equipment and the dam body will also cause damage to the traction rope. In addition, there is a need to replace tools and equipment during the maintenance process. It is not convenient to use a single winch in conjunction with the basket. Summary of the invention

[0003] The technical problem to be solved by the utility model is to provide a dam top traction device for a flow channel maintenance platform of a hydropower station, which can effectively solve the problems in the prior art, achieve a more convenient flow channel maintenance operation, solve the problems of winch load and traction rope damage, and at the same time be able to perform separate lifting and lowering operations of tools and equipment during the maintenance process.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is: a dam top traction device for a flow channel maintenance platform of a hydropower station, comprising a frame, a top plate is provided on the top of the frame, a vertical guide rope upright is provided in the middle of the top plate, a telescopic joint is provided at one end of the top plate, a fixed seat is provided on the telescopic joint, a counterweight pull rope is connected to the fixed seat, the counterweight pull rope passes through the guide rope upright and is connected to a counterweight vehicle configured on the other side of the frame;

[0005] A first winch is also provided on one end of the top plate away from the telescopic joint, and a material traction rope is provided on the first winch, and the material traction rope is arranged through a guide rope vertical rod;

[0006] A second winch is also provided at the bottom of one end of the top plate close to the telescopic joint, and a hanging basket traction rope is provided on the second winch.

[0007] In a preferred solution, a cross support frame is provided on the frame, a cross support frame is provided below the cross support frame, and a ladder is also provided on the frame, and the ladder is fixedly connected to the cross support frame and the top plate.

[0008] In a preferred solution, movable rollers and a hydraulic support mechanism are provided at the bottom of the frame.

[0009] In a preferred solution, the counterweight vehicle is connected to one side of the frame through a plurality of connecting rods, and a counterweight block is placed on the counterweight vehicle.

[0010] In a preferred solution, a slide groove is provided at one end of the top plate, a slide seat is provided on the slide groove, a gear and a driving device are provided in the slide seat, a rack is provided on the top surface of the top plate, and the gear and the rack are meshed with each other;

[0011] The second winch is arranged at the bottom of the slide seat;

[0012] The sliding seat and the telescopic joint are connected via a telescopic joint connecting rod.

[0013] The dam top traction device of the flow channel maintenance platform of a hydropower station provided by the utility model has the following beneficial effects by adopting the above structure:

[0014] (1) The personnel and tools and equipment can be placed separately. When the hanging basket reaches the maintenance operation position, the tools and equipment can be placed separately directly through the material traction rope, which effectively ensures the smooth and continuous progress of the maintenance operation.

[0015] (2) The problem of wear of the traction rope caused by contact between the traction rope and the equipment and dam body is avoided. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0018] In the figure: frame 1, top plate 2, guide rope uprights 3, cross support frame 4, cross brace 5, ladder 6, mobile roller 7, hydraulic support mechanism 8, counterweight vehicle 9, connecting rod 901, counterweight block 10, counterweight pull rope 11, telescopic joint 12, fixed seat 13, first winch 14, material traction rope 15, chute 16, rack 17, slide seat 18, gear 19, second winch 20, hanging basket traction rope 21, telescopic joint connecting rod 22. DETAILED DESCRIPTION

[0019] like Figure 1 A dam top traction device for a flow channel inspection platform of a hydropower station includes a frame 1, a top plate 2 is provided on the top of the frame 1, a vertical guide rope stand 3 is provided in the middle of the top plate 2, a telescopic joint 12 is provided at one end of the top plate 2, a fixed seat 13 is provided on the telescopic joint 12, a counterweight pull rope 11 is connected to the fixed seat 13, the counterweight pull rope 11 passes through the guide rope stand 3 and is connected to a counterweight vehicle 9 arranged on the other side of the frame 1;

[0020] A first hoist 14 is also provided on one end of the top plate 2 away from the telescopic joint 12, and a material traction rope 15 is provided on the first hoist 14, and the material traction rope 15 is provided through the guide rope upright pole 3;

[0021] A second hoist 20 is also provided at the bottom of one end of the top plate 2 close to the telescopic joint 12 , and a hanging basket traction rope 21 is provided on the second hoist 20 .

[0022] In a preferred embodiment, a cross support frame 4 is provided on the frame 1 , a cross support frame 5 is provided below the cross support frame 4 , and a ladder 6 is also provided on the frame 1 , which is fixedly connected to the cross support frame 5 and the top plate 2 .

[0023] In a preferred solution, a movable roller 7 and a hydraulic support mechanism 8 are provided at the bottom of the frame 1.

[0024] In a preferred embodiment, the counterweight vehicle 9 is connected to one side of the frame 1 through a plurality of connecting rods 901 , and a counterweight block 10 is placed on the counterweight vehicle 9 .

[0025] In the preferred embodiment, a slide groove 16 is provided at one end of the top plate 2, a slide seat 18 is provided on the slide groove 16, a gear 19 and a driving device are provided in the slide seat 18, a rack 17 is provided on the top surface of the top plate 2, and the gear 19 and the rack 17 are meshed with each other;

[0026] The second hoist 20 is arranged at the bottom of the slide 18;

[0027] The sliding seat 18 and the telescopic joint 12 are connected via a telescopic joint connecting rod 22 .

[0028] The dam top traction device of a flow channel maintenance platform of a hydropower station disclosed in the present invention, when the flow channel maintenance operation is performed using the above structure:

[0029] Move the entire equipment to one side of the dam top, and then start the gear 19 and the corresponding driving equipment to extend the telescopic joint 12 out of the dam body. Then, by adjusting the number of counterweight blocks 10 on the counterweight vehicle 9 and the tension of the counterweight rope 11, the counterweight vehicle 9 can effectively tension the telescopic joint 12 to ensure the stability of the entire equipment on the dam top. Finally, start the second winch 21 to lower the hanging basket to the maintenance operation position.

[0030] During the above maintenance operation, when it is necessary to hoist and lower tools and equipment, it can be done solely through the first winch 14 in conjunction with the material traction rope 15, without the need to lift the hanging basket and then lower it again, which effectively ensures the continuity of the maintenance operation and improves the efficiency of the maintenance operation.

Claims

1. A dam top traction device for a flow channel inspection platform of a hydropower station, characterized in that: The machine comprises a frame (1), wherein a top plate (2) is provided on the top of the frame (1), a vertical guide rope upright pole (3) is provided in the middle of the top plate (2), a telescopic joint (12) is provided at one end of the top plate (2), a fixed seat (13) is provided on the telescopic joint (12), a counterweight pull rope (11) is connected to the fixed seat (13), and the counterweight pull rope (11) passes through the guide rope upright pole (3) and is connected to a counterweight vehicle (9) arranged on the other side of the frame (1); A first hoist (14) is also provided on the end of the top plate (2) away from the telescopic joint (12), and a material traction rope (15) is provided on the first hoist (14), and the material traction rope (15) is passed through the guide rope upright pole (3); A second hoist (20) is also provided at the bottom of one end of the top plate (2) close to the telescopic joint (12), and a hanging basket traction rope (21) is provided on the second hoist (20).

2. The dam top traction device of a flow channel maintenance platform of a hydropower station according to claim 1, characterized in that: The frame (1) is provided with a cross support frame (4), a cross support rod (5) is provided below the cross support frame (4), and a ladder (6) is also provided on the frame (1), and the ladder (6) is fixedly connected to the cross support rod (5) and the top plate (2).

3. The dam top traction device of the flow channel maintenance platform of a hydropower station according to claim 1, characterized in that: The bottom of the frame (1) is provided with movable rollers (7) and a hydraulic support mechanism (8).

4. The dam top traction device of a flow channel maintenance platform of a hydropower station according to claim 1, characterized in that: The counterweight vehicle (9) is connected to one side of the frame (1) via a plurality of connecting rods (901), and a counterweight block (10) is placed on the counterweight vehicle (9).

5. The dam top traction device of the flow channel maintenance platform of a hydropower station according to claim 1, characterized in that: A slide groove (16) is provided at one end of the top plate (2), a slide seat (18) is provided on the slide groove (16), a gear (19) and a driving device are provided inside the slide seat (18), a rack (17) is provided on the top surface of the top plate (2), and the gear (19) and the rack (17) are meshed with each other; The second hoist (20) is arranged at the bottom of the slide seat (18); The sliding seat (18) and the telescopic joint (12) are connected via a telescopic joint connecting rod (22).

Images