Underwater rapid cutting device for bridge pile foundation

Abstract

The utility model discloses an underwater rapid cutting device for a bridge pile foundation, which relates to the technical field of bridge foundation dismantling construction and comprises a rope saw, a saw rope, a first guide wheel group, a second guide wheel group, a guide wheel group support frame, an overwater workbench, a pile foundation to be dismantled, an adjacent pile foundation and a hoop for fixing the guide wheel group support frame on the pile foundation, the rope sawing machine is placed on an overwater workbench, the hoop is fixed to a pile foundation to be disassembled and an adjacent pile foundation, the guide wheel set supporting frame is connected with the hoop, a first guide wheel set and a second guide wheel set are arranged on the guide wheel set supporting frame, one end of the sawing rope is led out of the water surface through the first guide wheel set, and the other end of the sawing rope is led out of the water surface through the second guide wheel set. And the other end is led out of the water surface through the second guide wheel group. The device has the advantages of simple structure, low cost, high efficiency, convenience in operation, safety in construction, less environmental pollution and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge foundation dismantling construction, in particular to an underwater rapid cutting device for bridge pile foundations. Background Art

[0002] With the rapid development of social economy, people's living standards are constantly improving, the traffic volume and traffic load of highway bridges are constantly increasing, and more and more existing bridges cannot meet the growing demand for traffic volume. Therefore, in order to meet the requirements of residents' travel, economic development and urban construction, the demolition and reconstruction of bridges has become a trend. In the demolition of bridges, the traditional methods of demolition of concrete structures mainly include: manual chiseling, mechanical hammering, pneumatic pick, hydraulic breaker crushing, blasting demolition, impact drilling, etc. Some of these methods are not applicable to underwater bridge structures, and a large amount of dust, debris, and noise pollution will be generated during the demolition process. At the same time, there are problems such as low work efficiency, high construction cost, and very difficult cleaning of the bed in the later stage. Compared with water operations, underwater operations are more complex in environment, unpredictable, and difficult in construction operations. Utility Model Content

[0003] In view of the above problems existing in the existing bridge foundation removal construction, the present utility model is proposed.

[0004] Therefore, the utility model aims to provide a rapid underwater cutting device for bridge pile foundations to solve the above-mentioned problems.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A device for underwater rapid cutting of bridge pile foundations comprises a rope saw machine, a saw rope, a first guide wheel group, a second guide wheel group, a guide wheel group support frame, an above-water workbench, a pile foundation to be demolished, an adjacent pile foundation, and a clamp for fixing the guide wheel group support frame to the pile foundation. The rope saw machine is placed on the above-water workbench, the clamp is fixed on the pile foundation to be demolished and the adjacent pile foundation, the guide wheel group support frame is connected to the clamp, a first guide wheel group and a second guide wheel group are arranged on the guide wheel group support frame, one end of the saw rope is led out of the water through the first guide wheel group, and the other end is led out of the water through the second guide wheel group.

[0007] Preferably, the guide wheel group support frame includes a large cross bar, a vertical bar, and a small cross bar.

[0008] Preferably, there are three guide wheel group support frames in total, two of which are fixed to adjacent pile foundations via the clamps, and the other guide wheel group support frame is fixed to the above-water workbench.

[0009] Preferably, the guide wheel group support frame is connected to the clamp through a large cross bar, and the guide wheel group is fixed by a vertical rod and a small cross bar.

[0010] Preferably, the saw wire is a diamond wire rope.

[0011] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0012] The utility model can effectively control the cutting direction and cutting position of the diamond rope through the coordinated construction of the cutting device and the underwater cutting guide device; the rolling operation of the rope is helpful to improve the cutting speed.

[0013] According to the utility model, after the installation of the wire saw machine, the guide wheel group support frame, the first guide wheel group, the second guide wheel group and the diamond saw wire is completed, the operators except the workers of the hoisting device can evacuate to a safe area, and the wire saw machine can be cut manually and remotely controlled, thereby reducing the construction risk and ensuring the safety of the construction workers.

[0014] The utility model has a flat cutting surface during the cutting process and can perform cutting at multiple angles, which is beneficial to the separation operation and ensures the construction efficiency.

[0015] The utility model reduces broken objects and waste residues during the cutting process, thereby reducing the pollution to the water body.

[0016] The utility model realizes cutting driven by a hydraulic motor, the hydraulic pump operates stably, the vibration and noise in the cutting process are small, the cutting body can be statically separated stably, and the safety is high.

[0017] The utility model utilizes the adjacent pile foundation to fix the pulley group, so as to avoid interference between the saw rope and the pulley group and the fixed frame when cutting the pile foundation. At the same time, the cutting position can be slightly adjusted by adjusting the position of the saw rope, and there is no need to repeatedly adjust the position of the support frame, thereby improving construction efficiency.

[0018] The utility model can effectively solve the problems of easy displacement and rope jam of diamond rope, difficulty in controlling cutting position and inconvenient operation during underwater cutting of concrete by arranging a plurality of guide pulleys to guide the saw rope underwater to an operating platform or a floating boat. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0020] Figure 1 This is a schematic elevation diagram of an underwater rapid cutting device for a bridge pile foundation according to an embodiment of the utility model;

[0021] Figure 2 It is a schematic plan view of an underwater rapid cutting device for bridge pile foundation according to an embodiment of the utility model.

[0022] Description of reference numerals:

[0023] 1—rope saw machine, 2—saw rope, 3—first guide wheel group, 4—second guide wheel group, 5—guide wheel group support frame, 6—hoops, 7—large cross bar, 8—vertical pole, 9—small cross bar, 10—pile foundation to be demolished, 11—adjacent pile foundation, 12—water work platform. DETAILED DESCRIPTION

[0024] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0025] The utility model embodiment discloses an underwater rapid cutting device for a bridge pile foundation.

[0026] Reference Figure 1-2 A device for underwater rapid cutting of a bridge pile foundation comprises a rope saw machine 1, a saw rope 2, a first guide wheel group 3, a second guide wheel group 4, a guide wheel group support frame 5, an above-water work platform 12, a pile foundation to be demolished 10, an adjacent pile foundation 11, and a clamp 6 for fixing the guide wheel group support frame 5 on the pile foundation. The rope saw machine 1 is placed on the above-water work platform 12, the clamp 6 is fixed on the pile foundation to be demolished 10 and the adjacent pile foundation 11, the guide wheel group support frame 5 is connected to the clamp 6, the guide wheel group support frame 5 is provided with a first guide wheel group 3 and a second guide wheel group 4, one end of the saw rope 2 is led out of the water through the first guide wheel group 3, and the other end is led out of the water through the second guide wheel group 4.

[0027] Reference Figure 1-2 The guide wheel group support frame 5 includes a large cross bar 7, a vertical bar 8, and a small cross bar 9. The guide wheel group support frame 5 is connected to the clamp 6 through the large cross bar 7, and the guide wheel group is fixed by the vertical bar 8 and the small cross bar 9.

[0028] Reference Figure 1-2 There are three guide wheel group support frames 5, two of which are fixed to adjacent pile foundations 11 through clamps 6, and the other guide wheel group support frame 5 is fixed on the water workbench 12. The saw rope 2 is a diamond rope, which can improve the cutting efficiency.

[0029] In the utility model, when in use, the saw rope 2 is guided out of the water surface by the guide wheel group, so that the underwater operation time of the construction personnel is shortened and the construction risk is reduced. At the same time, it has the advantages of simple structure, convenient installation and disassembly, low cost, high efficiency, safe construction and less environmental pollution. The large cross bar 7, the vertical rod 8 and the small cross bar 9 have sufficient rigidity to ensure the stability of the guide wheel group support frame 5. By adjusting the position and height of the guide wheel group support frame 5, the cutting position of the saw rope 2 is adjusted, and the cutting length of the pile foundation 10 to be demolished is controlled. The guide wheel group is fixed on the clamp 6 through the guide wheel group support frame 5, and the clamp 6 is fixed to the adjacent pile foundation 11, which can ensure that the direction of the diamond rope is accurately controlled during the cutting process, avoid the displacement and jam of the diamond rope, and improve the cutting quality of the underwater pile foundation. The rope saw machine 1 is placed on the water workbench 12. After the rope saw machine 1, the guide wheel group support frame 5, the first guide wheel group 3, the second guide wheel group 4 and the diamond saw rope 2 are installed, the rope saw machine can be cut by manual remote control, which reduces the construction risk. The saw rope is selected from diamond rope, which can improve the cutting efficiency.

[0030] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. An underwater rapid cutting device for a bridge pile foundation, comprising a wire saw machine (1), a saw wire (2), a first guide wheel group (3), a second guide wheel group (4), a guide wheel group support frame (5), an above-water workbench (12), a pile foundation to be removed (10), an adjacent pile foundation (11), and a hoop (6) for fixing the guide wheel group support frame (5) on the pile foundation, characterized in that: The rope saw machine (1) is placed on an above-water workbench (12); the clamp (6) is fixed on an adjacent pile foundation (11); the guide wheel group support frame (5) is connected to the clamp (6); a first guide wheel group (3) and a second guide wheel group (4) are provided on the guide wheel group support frame (5); one end of the saw rope (2) passes through the first guide wheel group (3) and is led out of the water surface; the other end passes through the second guide wheel group (4) and is led out of the water surface.

2. The underwater rapid cutting device for bridge pile foundation according to claim 1 is characterized in that: The guide wheel group support frame (5) comprises a large cross bar (7), a vertical bar (8), and a small cross bar (9).

3. The underwater rapid cutting device for bridge pile foundation according to claim 1 is characterized in that: A total of three guide wheel group support frames (5) are provided, two of which are fixed to adjacent pile foundations (11) via the clamps (6), and the other guide wheel group support frame (5) is fixed to the above-water workbench (12).

4. The underwater rapid cutting device for bridge pile foundation according to claim 1 is characterized in that: The guide wheel assembly support frame (5) is connected to the clamp (6) via a large cross bar (7), and the guide wheel assembly is fixed via a vertical rod (8) and a small cross bar (9).

5. The underwater rapid cutting device for bridge pile foundation according to claim 1 is characterized in that: The saw rope (2) is a diamond rope.

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