A dam slag grabber

Abstract

The application discloses a dam slag salvaging machine and relates to the technical field of water surface cleaning. The device is used in cooperation with an external crane and mainly comprises a bearing part, an upper cutting part, a lower cutting part, a large piece hooking part and a second conveying part. The upper cutting part is driven to swing by a down-pressing oil cylinder and cooperates with the lower cutting part to realize cutting of floating slag. The large piece hooking part is driven to swing by an oil cylinder and is used for hooking large floating slag to a cutting area. The second conveying part conveys the cut floating slag to a slag storage box. Further, the device is also provided with a first conveying part, which can perform secondary crushing on the floating slag. The slag storage box is provided with a water filtering hole and a reversible side plate. A control system comprises a handheld multi-channel control handle, a central controller and a multi-way hydraulic electromagnetic valve group, and can independently control the actions of various hydraulic executing elements. The application integrates hooking, cutting, crushing and conveying in one, is highly adaptable, is flexible to operate and significantly improves the cleaning efficiency of floating slag in dam water areas.

Description

Technical Field

[0001] This invention relates to the field of water surface cleaning technology, specifically a dam slag removal machine. Background Technology

[0002] During the daily operation of hydropower stations, various types of garbage, floating debris, and driftwood often accumulate in the river channels, especially in the ramp areas. These accumulations not only pose safety hazards to the normal operation of the turbine generator units but also potentially damage the river's ecological environment surrounding the power station, creating numerous obstacles to the station's operation and maintenance. Therefore, a fast and efficient slag removal facility is urgently needed to promptly clear these accumulations and maintain the normal condition of the river channel.

[0003] Existing slag removal equipment has many shortcomings: Elevator-type muck-carrying ladders: Their dimensions need to be customized according to the dam body, they have poor adaptability, are sensitive to changes in water level, are difficult to handle flowing and large floating slag, and have high construction and maintenance costs.

[0004] Grab bucket type hydraulic slag remover: It has a slow execution efficiency, large size, low operating precision, serious slag leakage, and heavy weight, and is easily obstructed when encountering thick silt.

[0005] Slag dredging vessels / unmanned slag dredging vessels: have small loading capacity, frequent slag removal, low efficiency, cumbersome launching and launching processes, insufficient reliability in complex water flow environments, and high construction and maintenance costs.

[0006] Therefore, developing a slag removal device that can efficiently, flexibly, and reliably remove various types of slag from the waters in front of dams has become a pressing technical problem to be solved in this field. Summary of the Invention

[0007] To address the aforementioned technical problems, the present invention provides the following technical solution: a dam slag removal machine, comprising: The bearing section includes a bearing support and a slag storage box disposed on the bearing support; The upper cutting section is provided on the support bracket and includes an upper cutting bracket and an upper cutting saw blade rotatably provided on the upper cutting bracket. The upper cutting bracket is hinged to the support bracket and is driven to swing relative to the support bracket by an upper cutting pressure cylinder. The lower cutting section is disposed on the support bracket and located below the upper cutting saw blade, and includes a lower cutting saw blade that cooperates with the upper cutting saw blade; The large part hooking part is set on the support bracket and located below the lower cutting saw blade. It includes a rotatable large part hooking component and is driven to swing by a large part hooking oil cylinder to send the scum hook between the upper and lower cutting saw blades. The second transmission unit is disposed on the support bracket and located between the upper cutting part and the large piece hooking part, and is used to transport the cut slag to the support slag storage box.

[0008] Furthermore, the large-part hooking component includes a first large-part hooking saw blade and a second large-part hooking saw blade arranged in parallel. The rotation centers of the first and second large-part hooking saw blades are set on the bearing bracket via a large-part hooking shaft. The first and second large-part hooking saw blades are fixedly connected by a large-part hooking connecting shaft. The output end of the large-part hooking cylinder is hinged to the large-part hooking connecting shaft.

[0009] Furthermore, the first and second saw blades for hooking large parts are arc-shaped structures, and toothed structures for increasing friction are provided on the arc-shaped surfaces of their inner walls.

[0010] Furthermore, a first transmission unit is also provided above the second transmission unit. The first transmission unit includes a first transmission shaft and a first transmission feeding shaft arranged side by side. A first transmission saw blade is provided on the first transmission shaft, and a first transmission feeding blade is provided on the first transmission feeding shaft. The first transmission shaft and the first transmission feeding shaft are connected by a gear chain structure.

[0011] Furthermore, the first transmission unit is driven by a first transmission hydraulic motor, the second transmission unit is driven by a second transmission hydraulic motor, the upper cutting saw blade is driven by an upper cutting hydraulic motor, and the lower cutting saw blade is driven by a lower cutting hydraulic motor.

[0012] Furthermore, the slag storage box is provided with several water filter holes.

[0013] Furthermore, the side wall of the slag storage box is provided with a side plate that can be flipped open.

[0014] Furthermore, the support frame is equipped with a support power oil station for providing power to each hydraulic actuator, and a support guardrail is provided around the support power oil station, forming a support platform for carrying people between the support guardrail and the support frame.

[0015] Furthermore, the top of the support bracket is provided with a support hanging hole for connecting to an external crane.

[0016] Furthermore, it also includes a control system, which includes: Handheld multi-channel control handle; The central controller receives signals from the handheld multi-channel control handle and outputs control commands. The multi-channel hydraulic solenoid valve assembly receives instructions from the central controller and independently controls the actions of the upper cutting and lower pressing cylinder, the large part hooking cylinder, the first transmission hydraulic motor, the second transmission hydraulic motor, the upper cutting hydraulic motor, and the lower cutting hydraulic motor.

[0017] The advantages of this invention compared to the prior art are: 1. Multifunctional and highly efficient: This invention integrates four major functions: "collecting, pushing, crushing, and gathering." The large-piece hooking section can collect and push large scum from distant locations to the cutting area; the upper and lower cutting sections work together to cut large scum into smaller pieces; the first transmission section can perform secondary crushing of the scum; and the second transmission section efficiently transports the processed scum to the scum storage bin. The entire process is continuous and efficient, greatly reducing the number of times scum is lifted and cleaned.

[0018] 2. High adaptability and wide processing range: The upper cutting section is driven by an upper cutting and lower pressing cylinder to swing, allowing for flexible adjustment of the cutting gap to accommodate scum of different volumes. The large-item hooking section can effectively handle large pieces of driftwood and garbage, solving the problem of traditional equipment's difficulty in handling large scum.

[0019] 3. Flexible and precise operation: The slag remover can be precisely positioned in three-dimensional space via an eight-way electrically controlled crane (external equipment). Combined with the independent control system of this invention, the operator can independently control the start, stop, forward and reverse rotation, and speed of each actuator according to different working conditions, achieving refined operation.

[0020] 4. Rational structure and stable operation: All functional modules are integrated on the support frame, resulting in a compact structure. The filter holes in the slag storage box separate water from the scum, reducing weight. The support railings and personnel platform provide safe space for manual operation and maintenance. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of the present invention. Figure 1 .

[0022] Figure 2 This is a schematic diagram of the overall structure of the present invention. Figure 2 .

[0023] Figure 3 This is a partial structural diagram of the present invention. Figure 1 .

[0024] Figure 4 This is a partial structural diagram of the present invention. Figure 2 .

[0025] Figure 5 This is a schematic diagram of a partial structure of the cutting part of the present invention.

[0026] Figure 6This is a partial structural diagram of the lower cutting part of the present invention.

[0027] Figure 7 This is a partial structural diagram of the large component hooking part of the present invention.

[0028] Figure 8 This is a partial structural diagram of the first transmission unit of the present invention.

[0029] Figure 9 This is a partial structural diagram of the second transmission unit of the present invention.

[0030] Reference numerals: 1-Upper cutting section, 101-Upper cutting lower pressure cylinder, 102-Upper cutting bracket, 103-Upper cutting hydraulic motor, 104-Upper cutting saw blade; 2-Lower cutting section, 201-Lower cutting hydraulic motor, 202-Lower cutting first saw blade, 203-Lower cutting second saw blade; 3-Large part hooking section, 301-Large part hooking cylinder, 302-Large part hooking first saw blade, 303-Large part hooking second saw blade, 304-Large part hooking shaft, 305-Large part hooking connecting shaft; 4-First transmission section, 401-First transmission hydraulic motor, 402-First transmission shaft, 403-First transmission saw blade 404-First transmission gear one, 405-First transmission gear two, 406-First transmission chain, 407-First transmission feeding shaft, 408-First transmission feeding plate; 5-Second transmission section, 501-Second transmission hydraulic motor, 502-Second transmission belt, 503-Second transmission shaft one, 504-Second transmission gear, 505-Second transmission shaft two, 506-Second transmission bracket; 6-Bearing section, 601-Bearing bracket, 602-Bearing slag storage box, 603-Bearing guardrail, 604-Bearing power oil station, 605-Bearing hanging hole, 606-Water filter hole, 607-Bearing manned platform. Detailed Implementation

[0031] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0032] like Figures 1 to 9 As shown, this embodiment provides a dam slag removal machine. The entire slag removal machine is suspended from the hook of an eight-directional electrically controllable crane (such as a spider crane, not shown in the figure) through a bearing hanging hole 605 on its top. The crane enables the machine to move and position itself in three-dimensional space within the working area. The slag removal machine mainly includes a bearing section 6, an upper cutting section 1, a lower cutting section 2, a large-piece hooking section 3, a first transmission section 4, and a second transmission section 5. These functional components are all integrated and installed on the bearing section 6.

[0033] like Figures 1 to 9 As shown, the support unit 6 includes a steel support frame 601, which serves as the mounting base for the entire equipment. A slag storage box 602 is mounted on the support frame 601 to store the collected slag. Several water filter holes 606 are provided on the bottom and side walls of the slag storage box 602 to filter out water carried in the slag, reducing the overall weight. One side wall of the slag storage box 602 is designed as a flip-open side plate (not shown) for easy slag unloading. A power oil station 604 is fixedly mounted on the support frame 601 to provide power to the hydraulic actuators of the entire machine. A guardrail 603 is welded around the power oil station 604, forming a personnel platform 607 between the guardrail 603 and the support frame 601, facilitating observation or manual assistance by operators. A ladder can also be detachably installed on the side wall of the support frame 601 to allow operators to climb onto the personnel platform 607.

[0034] like Figures 1 to 9 As shown, the upper cutting section 1 is located at the upper front end of the support bracket 601. It includes an upper cutting bracket 102, the rear end of which is hinged to the support bracket 601. Two upper cutting and pressing cylinders 101 are configured, with their cylinder bodies hinged to the support bracket 601 and their piston rods hinged to the two ends of the upper cutting bracket 102. By extending and retracting the upper cutting and pressing cylinders 101, the upper cutting bracket 102 can be driven to swing up and down around the hinge point at its rear end. An upper cutting hydraulic motor 103 is fixedly mounted on the upper cutting bracket 102, and multiple upper cutting saw blades 104 are coaxially mounted on the output shaft of the upper cutting hydraulic motor 103 at equal intervals.

[0035] like Figures 1 to 9 As shown, the lower cutting section 2 is fixedly mounted on the support bracket 601, located directly below the upper cutting saw blade 104. It includes a lower cutting hydraulic motor 201 fixedly mounted on the support bracket 601. A first lower cutting saw blade 202 and a second lower cutting saw blade 203 are coaxially mounted on the output shaft of the lower cutting hydraulic motor 201. The upper cutting saw blade 104, the first lower cutting saw blade 202, and the second lower cutting saw blade 203 are partially intersected in the vertical direction, forming a pair of cutting sections for shearing and cutting slag.

[0036] like Figures 1 to 9As shown, the large-piece hooking part 3 is located below the lower cutting part 2 and is also mounted on the support bracket 601. It includes a large-piece hooking shaft 304, which is fixedly mounted on the support bracket 601. The large-piece hooking first saw blade 302 and the large-piece hooking second saw blade 303 are arranged in parallel, and their tails are rotatably mounted on the large-piece hooking shaft 304, allowing them to swing around the shaft. The large-piece hooking first saw blade 302 and the large-piece hooking second saw blade 303 are fixedly connected by a large-piece hooking connecting shaft 305, forming a rigid swing frame. The cylinder body end of the large-piece hooking cylinder 301 is hinged to the support bracket 601, and its piston rod end is hinged to the large-piece hooking connecting shaft 305. By extending and retracting the large-piece hooking cylinder 301, the large-piece hooking first saw blade 302 and the large-piece hooking second saw blade 303 can be driven to swing around the large-piece hooking shaft 304. To enhance the hooking capability, the main body of the first saw blade 302 for hooking large items and the second saw blade 303 for hooking large items are arc-shaped, and toothed structures are provided on their inner arc surfaces.

[0037] like Figures 1 to 9 As shown, the second transmission unit 5 is mounted on the support bracket 601, located below the upper cutting unit 1 and the lower cutting unit 2, and above the large part hooking unit 3. It includes a second transmission bracket 506, which is fixedly mounted on the support bracket 601. A second transmission shaft 503 and a second transmission shaft 505 are rotatably mounted on the second transmission bracket 506, with a second transmission belt 502 wound between the two shafts. A second transmission hydraulic motor 501 is fixedly mounted on the second transmission bracket 506, and its output shaft is connected to the second transmission shaft 503, driving the second transmission shaft 503 to rotate. A second transmission gear 504 is also fixed on the second transmission shaft 503 for driving the second transmission belt 502 to move.

[0038] like Figures 1 to 9As shown, the first transmission section 4 is positioned above the second transmission section 5, behind the upper cutting section 1 and the lower cutting section 2; it is used to further push and crush the scum falling onto the second transmission belt 502. The first transmission section 4 includes a first transmission hydraulic motor 401, on which a first transmission shaft 402 is fixedly mounted. Multiple first transmission saw blades 403 are equidistantly arranged on the first transmission shaft 402. A first transmission gear 404 is fixed to the end of the first transmission shaft 402. A first transmission feeding shaft 407 is parallel to the first transmission shaft 402 and rotatably connected to the support bracket 601. Multiple first transmission feeding plates 408, made of rubber material, are equidistantly arranged on the first transmission feeding shaft 407, and a second first transmission gear 405 is fixed to the end of each plate. The first transmission gear 404 and the second first transmission gear 405 are connected by a first transmission chain 406. When the first transmission hydraulic motor 401 drives the first transmission shaft 402 to rotate, the first transmission saw blade 403 rotates at high speed, simultaneously driving the first transmission feeding shaft 407 and the first transmission feeding plate 408 to rotate via chain drive. The first transmission feeding plate 408 pushes the scum towards the direction of the first transmission saw blade 403 for secondary cutting and crushing.

[0039] This slag removal machine also includes an independent electrical control system. This control system mainly consists of a handheld multi-channel control handle, a central controller, and a multi-channel hydraulic solenoid valve assembly. The handheld multi-channel control handle is an industrial-grade wireless remote control, integrating a 2.4GHz wireless transmission module. The handle has multiple channel buttons and joysticks, each corresponding to a control command for an actuator. The operator can issue control commands via the handle within a 50-meter radius of the slag removal machine; the signals are encrypted and wirelessly transmitted to the central controller. The central controller is mounted on the support bracket 601 and uses a programmable logic controller (PLC) or embedded microcontroller, integrating a wireless receiving module, microprocessor, and signal processing circuitry. The central controller receives and parses the handle commands, while simultaneously monitoring the status of each actuator in real time through sensors, including the extension and retraction positions of the upper cutting and lowering cylinder 101 and the large-piece hooking cylinder 301, the speed and current values ​​of each hydraulic motor, and outputs precise control signals according to a preset control algorithm.

[0040] The multi-way hydraulic solenoid valve assembly is electrically connected to the central controller via a control cable. The assembly includes multiple parallel solenoid directional valves and proportional flow valves, each controlling a specific hydraulic actuator. Upon outputting a control command from the central controller, the corresponding valve cores of the solenoid valve assembly actuate independently, controlling the extension and retraction of the upper cutting and lowering cylinder 101 to adjust the cutting gap of the upper cutting section 1, the swinging motion of the large-piece hooking cylinder 301 to hook up scum, and the start / stop, forward / reverse rotation, and speed adjustment of the upper cutting hydraulic motor 103, lower cutting hydraulic motor 201, first transmission hydraulic motor 401, and second transmission hydraulic motor 501. Speed ​​adjustment is achieved steplessly by controlling the flow rate of hydraulic oil through the proportional flow valve, allowing each actuator to operate independently without interference. The operator can simultaneously control multiple actuators to work collaboratively via different channels on the handle, depending on the size, type, and accumulation of the scum, for example, simultaneously performing hooking, cutting, and conveying operations, or individually adjusting the operating speed of a specific component.

[0041] The working principle of this embodiment is as follows: Mobile positioning: The slag remover is moved to the area above the dam where the slag needs to be removed by an external crane and lowered to the appropriate depth.

[0042] Hooking and collecting: When encountering large or distant scum, the operator controls the large hooking cylinder 301 to extend via the handle, driving the large hooking first saw blade 302 and second saw blade 303 to swing downward, hooking the scum and collecting it inward. Then, the large hooking cylinder 301 is retracted, lifting and pushing the scum between the upper cutting saw blade 104 and the lower cutting saw blade.

[0043] Preliminary cutting: Start the upper cutting hydraulic motor 103 and the lower cutting hydraulic motor 201 to drive the saw blade to rotate. Depending on the size of the slag, the operator can control the upper cutting lower pressure cylinder 101 to extend, causing the upper cutting support 102 to swing down, adjusting the gap between the upper cutting saw blade 104 and the lower cutting saw blade to perform preliminary cutting and decomposition of the slag. The cut small pieces of slag and smaller slag fall directly onto the second conveyor belt 502 below.

[0044] Secondary crushing and conveying: The second transmission hydraulic motor 501 is started, driving the second transmission belt 502 to rotate and conveying the scum falling onto it backward. Simultaneously, the first transmission hydraulic motor 401 is started. The first transmission feed plate 408 rotates, pushing the scum on the second transmission belt 502 towards the first transmission saw blade 403. The first transmission saw blade 403 rotates at high speed, performing secondary crushing on the scum, further reducing its volume. The scum, after secondary crushing, falls back onto the second transmission belt 502.

[0045] Collection and storage: The second conveyor belt 502 transports the final processed scum to the end-capped scum storage box 602 for storage. The water in the scum is filtered out through the filter holes 606 and returned to the river channel.

[0046] Slag unloading: When the slag-carrying storage box 602 is full, the slag remover is moved to the shore or a designated slag unloading point by a crane. The flip-up side plate of the slag-carrying storage box 602 is then opened to unload the slag.

[0047] Throughout the process, the operator can independently control each action using the handle according to the actual working conditions, achieving efficient and precise slag removal operations.

Claims

1. A dam slag removal machine, characterized in that, include: The support part (6) includes a support bracket (601) and a slag storage box (602) disposed on the support bracket (601). The upper cutting part (1) is provided on the support bracket (601) and includes an upper cutting bracket (102) and an upper cutting saw blade (104) rotatably provided on the upper cutting bracket (102). The upper cutting bracket (102) is hinged to the support bracket (601) and is driven to swing relative to the support bracket (601) by the upper cutting pressure cylinder (101). The lower cutting part (2) is disposed on the support bracket (601) and located below the upper cutting saw blade (104), and includes a lower cutting saw blade that cooperates with the upper cutting saw blade (104); The large part hooking part (3) is provided on the bearing bracket (601) and located below the lower cutting saw blade. It includes a large part hooking part that is rotatably provided and is driven to swing by a large part hooking oil cylinder (301) to send the scum hook to the space between the upper cutting saw blade (104) and the lower cutting saw blade. The second transmission unit (5) is disposed on the support bracket (601) and located between the upper cutting unit (1) and the large piece hooking unit (3), and is used to transport the cut scum to the support scum storage box (602).

2. The dam slag removal machine according to claim 1, characterized in that: The large-item hooking component includes a large-item hooking first saw blade (302) and a large-item hooking second saw blade (303) arranged in parallel. The rotation centers of the large-item hooking first saw blade (302) and the large-item hooking second saw blade (303) are set on the bearing bracket (601) through a large-item hooking rotating shaft (304). The large-item hooking first saw blade (302) and the large-item hooking second saw blade (303) are fixedly connected by a large-item hooking connecting shaft (305). The output end of the large-item hooking cylinder (301) is hinged to the large-item hooking connecting shaft (305).

3. A dam slag removal machine according to claim 2, characterized in that: The large-part hook first saw blade (302) and the large-part hook second saw blade (303) are arc-shaped structures, and the arc-shaped surface of their inner walls is provided with tooth-like structures to increase friction.

4. A dam slag removal machine according to claim 1, characterized in that: Above the second transmission section (5), a first transmission section (4) is also provided. The first transmission section (4) includes a first transmission shaft (402) and a first transmission feeding shaft (407) arranged side by side. A first transmission saw blade (403) is provided on the first transmission shaft (402), and a first transmission feeding plate (408) is provided on the first transmission feeding shaft (407). The first transmission shaft (402) and the first transmission feeding shaft (407) are connected by a gear chain structure.

5. A dam slag removal machine according to claim 4, characterized in that: The first transmission unit (4) is driven by the first transmission hydraulic motor (401), the second transmission unit (5) is driven by the second transmission hydraulic motor (501), the upper cutting saw blade (104) is driven by the upper cutting hydraulic motor (103), and the lower cutting saw blade is driven by the lower cutting hydraulic motor (201).

6. A dam slag removal machine according to claim 1, characterized in that: The slag storage box (602) is provided with several water filter holes (606).

7. A dam slag removal machine according to claim 1, characterized in that: The side wall of the slag storage box (602) is provided with a side panel that can be flipped open.

8. A dam slag removal machine according to claim 1, characterized in that: The support bracket (601) is provided with a support power oil station (604) for providing power to each hydraulic actuator. The support power oil station (604) is surrounded by a support guardrail (603). The support guardrail (603) and the support bracket (601) form a support manned platform (607).

9. A dam slag removal machine according to claim 1, characterized in that: The top of the support bracket (601) is provided with a support hanging hole (605) for connecting with an external crane.

10. A dam slag removal machine according to claim 1, characterized in that: It also includes a control system, which includes: Handheld multi-channel control handle; The central controller receives signals from the handheld multi-channel control handle and outputs control commands. The multi-way hydraulic solenoid valve group receives instructions from the central controller and independently controls the actions of the upper cutting and lower pressing cylinder (101), the large part hooking cylinder (301), the first transmission hydraulic motor (401), the second transmission hydraulic motor (501), the upper cutting hydraulic motor (103), and the lower cutting hydraulic motor (201).

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