Large-span multi-pipeline underground diaphragm wall grooving device

Abstract

The invention relates to the technical field of underground diaphragm wall excavation, in particular to a large-span multi-pipeline underground diaphragm wall trenching device which comprises a mounting frame, a plurality of driving wheels arranged on the mounting frame, a plurality of power arms and a plurality of supporting arms arranged on the mounting frame, an adjusting structure arranged on the mounting frame, and a transmission structure arranged on the power arms. A grooving structure is arranged at the lower ends of the power arms and the supporting arms and comprises a plurality of excavator chains, and the excavator chains are connected with the transmission structure. A plurality of driving wheels are arranged on the mounting frame, the device can conveniently move on the road surface, the grooving structure is supported by arranging a plurality of power arms and a plurality of supporting arms, meanwhile, an underground pipeline is avoided through the distance between the power arms and the supporting arms, and the excavating efficiency is improved through a plurality of excavator chains.

Description

Technical Field

[0001] The invention relates to the technical field of underground continuous wall excavation, and in particular to a large-span multi-pipeline underground continuous wall excavation groove device. Background Art

[0002] With the development and construction of underground space, subway construction has developed rapidly, but it has also encountered a more complex urban underground environment. The subway construction process is often affected by underground pipelines, especially in the construction of underground continuous walls. Important culverts or pipelines that are difficult to relocate due to the complex underground environment cause construction difficulties. Therefore, how to safely and conveniently carry out underground continuous wall operations at the pipeline location has become an urgent problem to be solved.

[0003] Therefore, in view of the above problems, a large-span multi-pipeline underground wall trenching device is proposed to solve the above problems. Summary of the invention

[0004] In view of the shortcomings of the prior art, the present invention develops a large-span multi-pipeline underground wall trenching device, which can cross the underground pipelines to dig trenches.

[0005] The technical solution to the technical problem solved by the present invention is: a large-span multi-pipeline underground wall trenching device, including a mounting frame, a plurality of driving wheels are arranged on the mounting frame, a plurality of power arms and a plurality of support arms are arranged on the mounting frame, an adjustment structure is arranged on the mounting frame, a transmission structure is arranged on the power arm, a trenching structure is arranged at the lower ends of the plurality of power arms and the plurality of support arms, the trenching structure includes a plurality of excavator chains, and the excavator chains are connected to the transmission structure.

[0006] A plurality of driving wheels are arranged on the mounting frame to facilitate the movement of the device on the road surface. The trenching structure is supported by arranging a plurality of power arms and a plurality of support arms. At the same time, the underground pipelines are avoided by the spacing between the power arms and the support arms. The excavation efficiency is improved by using a plurality of excavator chains.

[0007] Preferably, the adjustment structure includes a rack, an adjustment gear, a driving gear, a driven gear, a first mounting shaft and a second mounting shaft. Racks are symmetrically arranged on both sides of the power arm and the support arm, and the adjustment gears are meshed with the racks. The first mounting shaft and the second mounting shaft are arranged on both sides of the power arm and the support arm. The adjustment gears on both sides of the power arm are respectively arranged on the first mounting shaft and the second mounting shaft, and the adjustment gears on both sides of the support arm are respectively arranged on the first mounting shaft and the second mounting shaft. The driving gears are symmetrically arranged on the first mounting shaft, and the driven gears are symmetrically arranged on the second mounting shaft, and the driving gears and the driven gears are meshed.

[0008] The rack and the adjusting gear are meshed for transmission, and the rotation of the adjusting gear drives the support arm, the power arm and the grooving structure to move up and down to realize grooving.

[0009] Preferably, the adjustment structure also includes a first mounting wheel, a first transmission belt, a first mounting plate, a second mounting plate, a first motor and a second mounting wheel. The first mounting plate and the second mounting plate are arranged on the mounting frame, and the first mounting plate and the second mounting plate are arranged opposite to each other. The first motor is arranged on the first mounting plate, and the first motor is arranged with multiple first mounting wheels. The multiple first mounting wheels are coaxially arranged on the second mounting plate. The first transmission belt is arranged between the first mounting wheel and the second mounting wheel. The second mounting wheel is arranged on the first mounting shaft, and both ends of the first mounting shaft are respectively arranged on the first mounting plate and the second mounting plate, and both ends of the second mounting shaft are respectively arranged on the first mounting plate and the second mounting plate.

[0010] The first motor is arranged on the first mounting plate, and the first motor drives the plurality of first transmission belts to move, thereby rotating the adjusting gear and changing the height of the mounting frame.

[0011] Preferably, the transmission structure includes a second motor, a second transmission belt, a first transmission wheel and a second transmission wheel. The second motor is arranged between the power arms, the second motor is arranged on the power arm, the first transmission wheel is arranged on the second motor, the first transmission wheel is sleeved with the second transmission belt, the second transmission belt is sleeved with the second transmission wheel, and the second transmission wheel is connected to the grooving structure.

[0012] The second motor drives the first transmission wheel to rotate, thereby driving the second transmission belt to rotate, thereby achieving the function of providing power.

[0013] Preferably, the groove structure includes a support shaft, a mounting platform, a positioning hole, a connecting shaft, a buckle and a mounting bearing. The mounting platform is arranged at the lower end of the support arm, and the mounting platform is rotatably connected to the support arm through the connecting shaft. A buckle is arranged at the lower end of the support arm and connected to the mounting platform. A positioning hole is formed between the mounting platform and the support arm, and a mounting bearing is arranged in the positioning hole. The supporting shaft is arranged on the mounting bearing.

[0014] By setting the buckle, the support arm and the mounting platform can be fixed and disassembled. When encountering multiple underground pipelines, the mounting bearing and the support shaft are disassembled to separate the support arm from the equipment, thereby bypassing the underground pipelines.

[0015] Preferably, the grooving structure also includes a mounting hole, a fixed bearing and a main shaft. The mounting hole is arranged at the lower end of the power arm, a fixed bearing is arranged in the mounting hole, the main shaft is arranged on the fixed bearing, and a second transmission wheel is arranged on the main shaft.

[0016] The mounting hole and the main shaft are provided to prevent the grooving structure from being separated from the power arm.

[0017] Preferably, the grooving structure also includes a first rotating disk and a second rotating disk. The first rotating disk is symmetrically arranged on the main shaft and is located on the outside of the power arm. An excavator chain is arranged on the first rotating disk, and the side of the excavator chain away from the first rotating disk is sleeved on the second rotating disk. The second rotating disk is symmetrically arranged on the support shaft and is located on the outside of the support arm.

[0018] Two excavator chains are installed by symmetrically setting the first rotating disk and the second rotating disk to achieve rapid trenching.

[0019] Preferably, the grooving structure also includes a first right-angle commutator, an auxiliary commutator, a second right-angle commutator, a first transmission shaft, a second transmission shaft, a first spiral digging head and a second spiral digging head. The first right-angle commutator and the second right-angle commutator are arranged on the main shaft, and the first right-angle commutator and the second right-angle commutator have opposite directions of rotation. The first right-angle commutator is connected to the first transmission shaft, and the second right-angle commutator is connected to the second transmission shaft. The first spiral digging head is arranged on the first transmission shaft, and the second spiral digging head is arranged on the second transmission shaft. The first spiral digging head and the second spiral digging head have opposite rotation directions. The auxiliary commutator is symmetrically arranged on the support shaft, and the first transmission shaft and the second transmission shaft are both arranged on the auxiliary commutator.

[0020] By setting the first spiral digging head and the second spiral digging head, the digging speed is increased. The first spiral digging head and the second spiral digging head have opposite rotation directions and opposite rotation directions, so that the excavated soil moves upward between the first spiral digging head and the second spiral digging head at the same time, reducing interference in soil movement.

[0021] The effects provided in the content of the invention are only the effects of the embodiments, rather than all the effects of the invention. The above technical solution has the following advantages or beneficial effects: A plurality of driving wheels are arranged on the mounting frame to facilitate the movement of the device on the road surface. A plurality of power arms and a plurality of support arms are arranged to support the trenching structure. The rack and the adjusting gear are meshed and transmitted. By rotating the adjusting gear, the support arm, the power arm and the trenching structure are driven to move up and down to realize trenching. By setting the buckle, the support arm and the mounting platform can be fixed and disassembled. When encountering multiple underground pipelines, the mounting bearing and the support shaft are disassembled to separate the support arm from the equipment, thereby bypassing the underground pipelines. By setting the first spiral digging head and the second spiral digging head, the digging speed is increased. The first spiral digging head and the second spiral digging head have opposite rotation directions and opposite rotation directions, so that the excavated soil moves upward between the first spiral digging head and the second spiral digging head at the same time, reducing interference in soil movement. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0023] Figure 1 It is a schematic diagram of the structure of the present invention.

[0024] Figure 2 It is a schematic diagram of the structure of the lower end of the support arm of the present invention.

[0025] Figure 3 This is a schematic diagram of disassembling the lower end of the support arm of the present invention.

[0026] Figure 4 It is a schematic diagram of the power arm structure of the present invention.

[0027] Figure 5 This is a schematic diagram of the structure of the adjusting gear of the present invention.

[0028] Figure 6 It is a schematic diagram of the trenching structure of the present invention.

[0029] Figure 7 It is a schematic diagram of the trenching process of the present invention.

[0030] In the figure, 1, mounting frame; 2, driving wheel; 3, power arm; 4, supporting arm; 5, excavator chain; 6, rack; 7, adjusting gear; 8, driving gear; 9, driven gear; 10, first mounting shaft; 11, second mounting shaft; 12, first mounting wheel; 13, first transmission belt; 14, first mounting plate; 15, second mounting plate; 16, first motor; 17, second mounting wheel; 18, second motor; 19, second transmission belt; 20, first transmission wheel; 21. Second transmission wheel; 22. Support shaft; 23. Mounting platform; 24. Positioning hole; 25. Connecting shaft; 26. Buckle; 27. Mounting bearing; 28. Mounting hole; 29. ​​Fixed bearing; 30. Main shaft; 31. First rotating disk; 32. Second rotating disk; 33. First right-angle commutator; 34. Auxiliary commutator; 35. Second right-angle commutator; 36. First transmission shaft; 37. Second transmission shaft; 38. First spiral digging head; 39. Second spiral digging head. DETAILED DESCRIPTION

[0031] In order to clearly illustrate the technical features of the present solution, the present invention is described in detail below through specific implementation methods and in combination with the accompanying drawings. The disclosure below provides many different embodiments or examples for realizing different structures of the present invention. In order to simplify the disclosure of the present invention, the components and settings of specific examples are described below. In addition, the present invention may repeat reference numbers and / or letters in different examples. This repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed. It should be noted that the components illustrated in the accompanying drawings are not necessarily drawn to scale. The present invention omits the description of known components and processing technologies and processes to avoid unnecessary limitations on the present invention. The orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", and "third" are used only for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present invention, 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 the present invention can be understood according to specific circumstances.

[0032] like Figures 1 to 7 As shown, a large-span multi-pipeline underground wall trenching device includes a mounting frame 1, a plurality of driving wheels 2 are arranged on the mounting frame 1, a plurality of power arms 3 and a plurality of support arms 4 are arranged on the mounting frame 1, an adjustment structure is arranged on the mounting frame, a transmission structure is arranged on the power arm 3, a trenching structure is arranged at the lower ends of the plurality of power arms 3 and the plurality of support arms 4, and the trenching structure includes a plurality of excavator chains 5, and the excavator chains 5 are connected to the transmission structure. A plurality of driving wheels 2 are arranged on the mounting frame 1 to facilitate the movement of the device on the road surface, and the trenching structure is supported by arranging a plurality of power arms 3 and a plurality of support arms 4, and the underground pipelines are avoided by the spacing between the power arms 3 and the support arms 4, and the excavation efficiency is improved by a plurality of excavator chains 5.

[0033] The adjustment structure includes a rack 6, an adjustment gear 7, a driving gear 8, a driven gear 9, a first mounting shaft 10 and a second mounting shaft 11. Racks 6 are symmetrically arranged on both sides of the power arm 3 and the support arm 4. The adjustment gears 7 are meshed with the racks 6. The first mounting shaft 10 and the second mounting shaft 11 are arranged on both sides of the power arm 3 and the support arm 4. The adjustment gears 7 on both sides of the power arm 3 are respectively arranged on the first mounting shaft 10 and the second mounting shaft 11. The adjustment gears 7 on both sides of the support arm 4 are respectively arranged on the first mounting shaft 10 and the second mounting shaft 11. The driving gears 8 are symmetrically arranged on the first mounting shaft 10, and the driven gears 9 are symmetrically arranged on the second mounting shaft 11. The driving gears 8 and the driven gears 9 are meshed. The rack 6 and the adjustment gear 7 are meshed for transmission. Through the rotation of the adjustment gear 7, the support arm 4, the power arm 3 and the grooving structure are driven to move up and down to realize grooving.

[0034] The adjustment structure further includes a first mounting wheel 12, a first transmission belt 13, a first mounting plate 14, a second mounting plate 15, a first motor 16 and a second mounting wheel 17. The first mounting plate 14 and the second mounting plate 15 are arranged on the mounting frame 1. The first mounting plate 14 and the second mounting plate 15 are arranged opposite to each other. The first motor 16 is arranged on the first mounting plate 14. The first motor 16 is provided with a plurality of first mounting wheels 12. The plurality of first mounting wheels 12 are coaxially arranged on the second mounting plate 15. The first transmission belt 13 is arranged between the first mounting wheel 12 and the second mounting wheel 17. The second mounting wheel 17 is arranged on the first mounting shaft 10. The two ends of the first mounting shaft 10 are respectively arranged on the first mounting plate 14 and the second mounting plate 15. The two ends of the second mounting shaft 11 are respectively arranged on the first mounting plate 14 and the second mounting plate 15. The first motor 16 is arranged on the first mounting plate 14. The first motor 16 drives the plurality of first transmission belts 13 to move, thereby rotating the adjustment gear 7 and changing the height of the mounting frame 1.

[0035] The transmission structure includes a second motor 18, a second transmission belt 19, a first transmission wheel 20 and a second transmission wheel 21. The second motor 18 is arranged between the power arms 3, the second motor 18 is arranged on the power arms 3, the first transmission wheel 20 is arranged on the second motor 18, the first transmission wheel 20 is sleeved with the second transmission belt 19, the second transmission belt 19 is sleeved with the second transmission wheel 21, and the second transmission wheel 21 is connected to the groove structure. The second motor 18 drives the first transmission wheel 20 to rotate, thereby driving the second transmission belt 19 to rotate, so as to provide power.

[0036] The trenching structure includes a support shaft 22, a mounting platform 23, a positioning hole 24, a connecting shaft 25, a buckle 26 and a mounting bearing 27. The mounting platform 23 is arranged at the lower end of the support arm 4, and the mounting platform 23 is rotatably connected to the support arm 4 through the connecting shaft 25. The lower end of the support arm 4 is provided with a buckle 26 connected to the mounting platform 23. A positioning hole 24 is formed between the mounting platform 23 and the support arm 4. A mounting bearing 27 is arranged in the positioning hole 24, and the mounting bearing 27 is provided with the support shaft 22. By providing the buckle 26, the support arm 4 and the mounting platform 23 can be fixed and disassembled. When encountering multiple underground pipelines, the mounting bearing 27 and the support shaft 22 are disassembled to separate the support arm 4 from the equipment, thereby bypassing the underground pipelines.

[0037] The groove structure further includes a mounting hole 28, a fixed bearing 29 and a main shaft 30. The mounting hole 28 is provided at the lower end of the power arm 3. The fixed bearing 29 is provided in the mounting hole 28. The main shaft 30 is provided on the fixed bearing 29. The second transmission wheel 21 is provided on the main shaft 30. The mounting hole 28 and the main shaft 30 are provided to prevent the groove structure from being separated from the power arm 3.

[0038] The trenching structure further includes a first rotating disk 31 and a second rotating disk 32. The first rotating disk 31 is symmetrically arranged on the main shaft 30 and is located outside the power arm 3. The excavator chain 5 is arranged on the first rotating disk 31. The side of the excavator chain 5 away from the first rotating disk 31 is sleeved on the second rotating disk 32. The second rotating disk 32 is symmetrically arranged on the support shaft 22 and is located outside the support arm 4. Through the symmetrically arranged first rotating disk 31 and second rotating disk 32, two excavator chains 5 are installed to achieve rapid trenching.

[0039] The grooving structure also includes a first right-angle commutator 33, an auxiliary commutator 34, a second right-angle commutator 35, a first transmission shaft 36, a second transmission shaft 37, a first spiral digging head 38 and a second spiral digging head 39. The first right-angle commutator 33 and the second right-angle commutator 35 are arranged on the main shaft 30. The first right-angle commutator 33 and the second right-angle commutator 35 have opposite directions of rotation. The first right-angle commutator 33 is connected to the first transmission shaft 36, and the second right-angle commutator 35 is connected to the second transmission shaft 37. The first spiral digging head 38 is arranged on the first transmission shaft 36, and the second spiral digging head 39 is arranged on the second transmission shaft 37. The first spiral digging head 38 and the second spiral digging head 39 have opposite rotation directions. The auxiliary commutator 34 is symmetrically arranged on the support shaft 22, and the first transmission shaft 36 and the second transmission shaft 37 are both arranged on the auxiliary commutator 34. By providing the first spiral digging head 38 and the second spiral digging head 39, the trenching speed is increased. The first spiral digging head 38 and the second spiral digging head 39 rotate in opposite directions, so that the excavated soil moves upward between the first spiral digging head 38 and the second spiral digging head 39 at the same time, reducing interference with soil movement.

[0040] Working principle: start the first motor 16, and drive the adjusting gear 7 to rotate through the first motor 16, and the adjusting gear 7 and the rack 6 are meshed to drive the power arm 3 and the support arm 4 to move up and down, so that the grooving structure moves to achieve grooving. When encountering underground pipelines, open the buckle 26 to disengage the support arm 4 from the device, bypass the underground pipeline, and then install it to achieve grooving around the underground pipeline.

[0041] Although the above describes the specific implementation mode of the invention in conjunction with the drawings, it is not intended to limit the scope of protection of the invention. Based on the technical solution of the present invention, various modifications or variations that can be made by those skilled in the art without creative work are still within the scope of protection of the present invention.

Claims

1. A large-span multi-pipeline underground wall trenching device, characterized by: The invention comprises a mounting frame (1), a plurality of driving wheels (2) are arranged on the mounting frame (1), a plurality of power arms (3) and a plurality of support arms (4) are arranged on the mounting frame (1), an adjustment structure is arranged on the mounting frame, a transmission structure is arranged on the power arm (3), a groove structure is arranged at the lower ends of the plurality of power arms (3) and the plurality of support arms (4), the groove structure comprises a plurality of excavator chains (5), and the excavator chains (5) are connected to the transmission structure.

2. The large-span multi-pipeline underground wall trenching device according to claim 1 is characterized by: The adjustment structure comprises a rack (6), an adjustment gear (7), a driving gear (8), a driven gear (9), a first mounting shaft (10) and a second mounting shaft (11); racks (6) are symmetrically arranged on both sides of the power arm (3) and the support arm (4); the adjustment gear (7) is meshed with the racks (6); the first mounting shaft (10) and the second mounting shaft (11) are arranged on both sides of the power arm (3) and the support arm (4); the adjustment gears (7) on both sides of the power arm (3) are respectively arranged on the first mounting shaft (10) and the second mounting shaft (11); the adjustment gears (7) on both sides of the support arm (4) are respectively arranged on the first mounting shaft (10) and the second mounting shaft (11); the driving gears (8) are symmetrically arranged on the first mounting shaft (10); the driven gears (9) are symmetrically arranged on the second mounting shaft (11); and the driving gears (8) and the driven gears (9) are meshed.

3. The large-span multi-pipeline underground wall trenching device according to claim 2 is characterized by: The adjustment structure further comprises a first mounting wheel (12), a first transmission belt (13), a first mounting plate (14), a second mounting plate (15), a first motor (16) and a second mounting wheel (17); the first mounting plate (14) and the second mounting plate (15) are arranged on the mounting frame (1); the first mounting plate (14) and the second mounting plate (15) are arranged opposite to each other; the first motor (16) is arranged on the first mounting plate (14); a plurality of first mounting wheels (12) are arranged on the first motor (16); the plurality of first mounting wheels (12) are coaxially arranged on the second mounting plate (15); a first transmission belt (13) is arranged between the first mounting wheel (12) and the second mounting wheel (17); the second mounting wheel (17) is arranged on the first mounting shaft (10); two ends of the first mounting shaft (10) are respectively arranged on the first mounting plate (14) and the second mounting plate (15); and two ends of the second mounting shaft (11) are respectively arranged on the first mounting plate (14) and the second mounting plate (15).

4. The large-span multi-pipeline underground wall trenching device according to claim 1 is characterized by: The transmission structure comprises a second motor (18), a second transmission belt (19), a first transmission wheel (20) and a second transmission wheel (21); the second motor (18) is arranged between the power arms (3); the second motor (18) is arranged on the power arms (3); the first transmission wheel (20) is arranged on the second motor (18); the first transmission wheel (20) is sleeved with the second transmission belt (19); the second transmission belt (19) is sleeved with the second transmission wheel (21); and the second transmission wheel (21) is connected to the groove structure.

5. The large-span multi-pipeline underground wall trenching device according to claim 1 is characterized by: The grooving structure comprises a support shaft (22), a mounting platform (23), a positioning hole (24), a connecting shaft (25), a buckle (26) and a mounting bearing (27); the mounting platform (23) is arranged at the lower end of the support arm (4); the mounting platform (23) is rotatably connected to the support arm (4) via the connecting shaft (25); a buckle (26) is arranged at the lower end of the support arm (4) and is connected to the mounting platform (23); a positioning hole (24) is formed between the mounting platform (23) and the support arm (4); a mounting bearing (27) is arranged in the positioning hole (24); and the mounting bearing (27) is arranged on the support shaft (22).

6. The large-span multi-pipeline underground wall trenching device according to claim 5 is characterized by: The grooving structure further comprises a mounting hole (28), a fixed bearing (29) and a main shaft (30); the mounting hole (28) is arranged at the lower end of the power arm (3); the fixed bearing (29) is arranged in the mounting hole (28); the main shaft (30) is arranged on the fixed bearing (29); and the second transmission wheel (21) is arranged on the main shaft (30).

7. The large-span multi-pipeline underground wall trenching device according to claim 6 is characterized by: The grooving structure further comprises a first rotating disk (31) and a second rotating disk (32); the first rotating disk (31) is symmetrically arranged on the main shaft (30); the first rotating disk (31) is located outside the power arm (3); an excavator chain (5) is arranged on the first rotating disk (31); a side of the excavator chain (5) away from the first rotating disk (31) is sleeved on the second rotating disk (32); the second rotating disk (32) is symmetrically arranged on the support shaft (22); the second rotating disk (32) is located outside the support arm (4).

8. The large-span multi-pipeline underground wall trenching device according to claim 7 is characterized by: The grooving structure further comprises a first right-angle commutator (33), an auxiliary commutator (34), a second right-angle commutator (35), a first transmission shaft (36), a second transmission shaft (37), a first spiral digging head (38) and a second spiral digging head (39). The first right-angle commutator (33) and the second right-angle commutator (35) are arranged on the main shaft (30). The first right-angle commutator (33) and the second right-angle commutator (35) have opposite directions of rotation. The first right-angle commutator (33) is connected to the first transmission shaft (36). The supporting shaft (22) is provided with an auxiliary commutator (34), and the first transmission shaft (36) and the second transmission shaft (37) are both provided with an auxiliary commutator (34).

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