Sliding formwork device for super-abrupt slope BCR hard filler dam panel

Abstract

A super-abrupt slope BCR hard filler dam panel sliding formwork device is characterized in that a winch support is arranged on a dam crest through a ground anchor, a winch is arranged on the winch support, a steel wire rope support is arranged at the front end of the winch, one end of a steel wire rope is connected with the winch, and the other end of the steel wire rope is connected with a sliding formwork device through a movable pulley block arranged on a slope. A surface finishing device is arranged at the lower end of the slip form device, and the slip form device is a hollow cavity; water is injected into a cavity of the slip form device to serve as a balance weight, the balance weight is clamped during work and detached during slip form transfer, the balance weight is clamped as needed, safety during slip form transfer is facilitated, a variable-speed frequency modulation winch is arranged on the dam top to serve as a traction device of the slip form device, the slip form lifting speed is adjusted according to the concrete hardening time of a panel, and the work efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of ultra-steep slope dam construction, and in particular relates to an ultra-steep slope BCR hard filler dam panel sliding template device. Background Art

[0002] The super steep slope BCR hard fill dam panel has a steep slope, with a panel slope ratio of 1:0.6. During the construction process, the concrete needs a greater side pressure to form. In addition, the super steep slope BCR hard fill dam panel is thin, with a panel thickness of 0.3m, a width of 10m, and a maximum length of 70m. The joints are variable sections, and the panels need to be poured continuously without construction joints. The flatness of the panel after forming must be controlled within ±2cm, and the anti-seepage grade must reach 2.0×10 -11 At present, the slipform used in the construction of ultra-steep slope hard filler dam panels is suitable for slope ratios of 1:1.3 to 1:1.6. The slipform section is rectangular, and prefabricated blocks or sand bags are generally used as counterweights. There are defects such as difficulty in adjusting the center of gravity of the slipform, difficulty in transporting the slipform, and difficulty in controlling the rising speed of the slipform. Summary of the invention

[0003] The technical problem to be solved by the utility model is to overcome the deficiencies of the above-mentioned prior art and provide a super-steep slope BCR hard filler dam panel sliding template device with reasonable design, simple structure, convenient transportation and improved work efficiency.

[0004] The technical solution adopted to solve the above technical problems is: a super-steep slope BCR hard filler dam panel sliding formwork device, a winch bracket is arranged on the dam top through a ground anchor, a winch is arranged on the winch bracket, a wire rope bracket is arranged at the front end of the winch, one end of the wire rope is connected to the winch, and the other end is connected to the sliding formwork device through a movable pulley set arranged on the slope surface, and a surface collecting device is arranged at the lower end of the sliding formwork device.

[0005] The utility model comprises the following features: a sliding formwork device is provided with a sliding formwork guardrail on the upper end surface of a sliding formwork body, a lifting lug is provided on the upper side surface of the sliding formwork body, and a ladder is provided on one end of the front side surface of the sliding formwork body.

[0006] The sliding form body of the utility model is a hollow cavity, and the cross-sectional shape is a pentagon, one of the angles is a right angle, and the hypotenuse corresponding to the right angle is parallel to the slope surface, and a water inlet hole is arranged on the upper end surface of the sliding form body, and a water outlet hole is arranged on the bottom of the side.

[0007] The internal cavities of the sliding mold body of the utility model are divided into a plurality of groups with the same volume, and each group of cavities is connected.

[0008] The slope of the sliding formwork body of the utility model and the slope contact panel is 1:0.6.

[0009] The utility model discloses a surface collecting device comprising: a collecting panel and a slope surface are arranged in parallel, and a surface collecting guardrail is arranged at the lower end of the collecting panel.

[0010] The utility model provides two groups of winches symmetrically arranged on the dam top with respect to the length direction of the slipform device.

[0011] The hoist of the utility model is a variable frequency speed regulating hoist.

[0012] The steel wire rope of the utility model is composed of two groups of steel wire ropes, one group is used as a sliding form traction rope to provide power for the sliding form device to move on the slope, and the other group is used as a safety rope.

[0013] Since the utility model adopts a sliding form device set on an ultra-steep slope, the sliding form body is a hollow cavity, the internal cavity of the sliding form body is divided into several groups of the same volume, each group of cavities is connected, the cross-sectional shape of the sliding form body is a pentagon, one of the angles is a right angle, and the hypotenuse corresponding to the right angle is parallel to the slope surface, which increases the width of the upper end face of the sliding form, increases the operating platform for personnel, and adjusts the center of gravity of the sliding form device. Water is injected into the cavity of the sliding form device as a counterweight, and the counterweight is added during work, and the counterweight is removed during the sliding form transfer, so as to achieve the counterweight added on demand, which is beneficial to the safety of the sliding form transfer. A variable speed frequency-adjusting winch is set on the top of the dam as a traction device of the sliding form device, and the lifting speed of the sliding form is adjusted according to the hardening time of the panel concrete to improve the work efficiency. It has the advantages of reducing the investment in the construction period, reducing the construction cost, simple operation, safe construction, and being able to ensure the continuous pouring, one-time molding, and no construction joints of the ultra-steep slope BCR hard filler dam panel, and can be promoted and applied to the construction application of the BCR hard filler dam panel. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of an embodiment of the utility model.

[0015] Figure 2 yes Figure 1 A partial enlarged view of .

[0016] Figure 3 yes Figure 1 Schematic diagram of the structure of the middle sliding mold device 3 and the dough finishing device 2.

[0017] In the figure: 1. Slope; 2. Surface collection device; 3. Slipform device; 4. Wire rope bracket; 5. Winch; 6. Winch bracket; 7. Ground anchor; 8. Wire rope; 9. Movable pulley block; 10. Dam top; 2-1. Surface collection panel; 2-2. Surface collection guardrail; 3-1. Water inlet; 3-2. Slipform body; 3-3. Slipform guardrail; 3-4. Lifting lug; 3-5. Water outlet; 3-6. Ladder. DETAILED DESCRIPTION

[0018] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments, but the present invention is not limited to these embodiments.

[0019] Example 1

[0020] exist Figure 1 , 2 , 3, the utility model relates to an ultra-steep slope BCR hard filler dam panel sliding formwork device, a winch bracket 6 is installed on the dam top 10 through a ground anchor 7, and a winch 5 is arranged on the winch bracket 6. In this embodiment, in order to maintain the stability of the slipform device 3, two groups of winches 5 are symmetrically arranged on the dam top 10 with respect to the length direction of the slipform device 3. The winch 5 is a variable frequency speed regulation winch with a lifting speed of 3 to 6 m per minute. A wire rope bracket 4 is arranged at the front end of the winch, one end of the wire rope 8 is connected to the winch 5, and the other end is connected to the slipform device 3 through a movable pulley group 9 arranged on the slope 1. The wire rope 8 consists of two groups of wire ropes, one group is used as a slipform traction rope to provide power for the slipform device 3 to move on the slope 1, and the other group is used as a safety rope.

[0021] The lower end of the sliding form device 3 is provided with a surface collecting device 2. Furthermore, the sliding form device 3 is connected by a water inlet 3-1, a sliding form body 3-2, a sliding form guardrail 3-3, a lifting lug 3-4, a water outlet 3-5, and a ladder 3-6. The sliding form body 3-2 is a hollow cavity. The internal cavity of the sliding form body 3-2 is divided into several groups of the same volume, and each group of cavities is connected. The cross-sectional shape of the sliding form body 3-2 is a pentagon, one of the angles is a right angle, and the hypotenuse corresponding to the right angle is parallel to the slope 1. Specifically, the contact slope of the sliding form body 3-2 and the slope 1 is 1:0.6. The upper end surface of the slipform body 3-2 is provided with a slipform guardrail 3-3, and the upper side surface of the slipform body 3-2 is provided with a lifting lug 3-4. The end of the wire rope 8 is connected to the lifting lug 3-4. The upper end surface of the slipform body 3-2 is provided with a water inlet 3-1, and the bottom of the side surface is provided with a water outlet 3-5. This device is filled with water as a counterweight. Compared with the traditional prefabricated blocks or sandbags as counterweights, the water-filled counterweight is injected when needed, and after completion, it is discharged through the water outlet 3-5 on the side of the slipform body 3-2, which reduces the weight of the slipform device 3 and facilitates its movement. A ladder 3-6 is provided at one end of the front side surface of the slipform body 3-2 to facilitate the operation of the operator. The surface collecting device 2 is composed of a collecting panel 2-1 and a surface collecting guardrail 2-2. The collecting panel 2-1 is arranged parallel to the slope 1, and a surface collecting guardrail 2-2 is provided at the lower end of the collecting panel 2-1. The slipform device 3 of the device has a large deadweight + a detachable counterweight, and adopts a variable frequency traction device, which cooperates with a manual finishing device and can lift the safety device. Under the action of the deadweight + counterweight of the slipform device 3, the panel concrete is formed. Under the traction of the variable frequency traction device, the slipform device 3 slides continuously at a certain speed to ensure continuous pouring of the panel concrete. Safety devices are set to ensure the safety of personnel and equipment.

Claims

1. A super steep slope BCR hard filler dam panel sliding formwork device, characterized by: A hoist bracket (6) is arranged on the dam top (10) via a ground anchor (7), a hoist (5) is arranged on the hoist bracket (6), a wire rope bracket (4) is arranged at the front end of the hoist, one end of the wire rope (8) is connected to the hoist (5), and the other end is connected to the sliding form device (3) via a movable pulley group (9) arranged on the slope surface (1), and a surface collecting device (2) is arranged at the lower end of the sliding form device (3).

2. The ultra-steep slope BCR hard filler dam panel sliding formwork device according to claim 1 is characterized in that The sliding form device (3) comprises: a sliding form guardrail (3-3) is arranged on the upper end surface of the sliding form body (3-2), a lifting lug (3-4) is arranged on the upper side surface of the sliding form body (3-2), and a ladder (3-6) is arranged at one end of the front side surface of the sliding form body (3-2).

3. The ultra-steep slope BCR hard filler dam panel sliding formwork device according to claim 2 is characterized by: The sliding form body (3-2) is a hollow cavity, and its cross-section is a pentagon, one of the angles is a right angle, and the hypotenuse corresponding to the right angle is parallel to the slope surface (1). The upper end surface of the sliding form body (3-2) is provided with a water inlet hole (3-1), and the bottom of the side surface is provided with a water outlet hole (3-5).

4. The ultra-steep slope BCR hard filler dam panel sliding formwork device according to claim 3 is characterized by: The internal cavities of the sliding mold body (3-2) are divided into a plurality of groups of the same volume, and each group of cavities is interconnected.

5. The ultra-steep slope BCR hard filler dam panel sliding formwork device according to claim 2 is characterized by: The contact panel slope between the sliding form body (3-2) and the slope surface (1) is 1:0.

6.

6. The ultra-steep slope BCR hard filler dam panel sliding formwork device according to claim 1 is characterized in that The surface collecting device (2) comprises: a collecting panel (2-1) arranged parallel to the slope surface (1), and a surface collecting guardrail (2-2) is arranged at the lower end of the collecting panel (2-1).

7. The ultra-steep slope BCR hard filler dam panel sliding formwork device according to claim 1 is characterized by: Two groups of winches (5) are symmetrically arranged on the dam top (10) with respect to the length direction of the slipform device (3).

8. The ultra-steep slope BCR hard filler dam panel sliding formwork device according to claim 1 is characterized by: The hoist (5) is a variable frequency speed regulating hoist.

9. The ultra-steep slope BCR hard filler dam panel sliding formwork device according to claim 1 is characterized by: The steel wire rope (8) is composed of two groups of steel wire ropes, one group is used as a sliding form traction rope to provide power for the sliding form device (3) to move on the slope (1), and the other group is used as a safety rope.

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