Double-wheel trencher

Abstract

A twin-wheel grooving machine includes a lower body, a rotating body, and at least two reel assemblies. The lower body is connected to the lower side of the rotating body. Each reel assembly includes a base and a reel. The base is connected to the upper side of the rotating body and has a mounting shaft extending horizontally out of the rotating body. The reel is rotatably connected to the mounting shaft, and the reel and the rotating body have a first overlap area in the height direction. This twin-wheel grooving machine reduces the overall height of the machine, enabling it to operate in height-restricted environments.

Description

Technical Field

[0001] This invention relates to the field of milling equipment technology, and in particular to a twin-wheel milling machine. Background Technology

[0002] A twin-wheel trench cutter is a type of equipment used for trenching underground continuous walls. It uses a steel cable to suspend a milling device, which then vertically excavates into a trench filled with mud. During operation, the milling device, under the tension of the steel cable, its own weight, and buoyancy, exerts downward pressure on the rock strata at the bottom of the trench. Under this pressure, the milling wheel at the bottom of the device, driven by a motor, mills away the rock and soil at the bottom of the trench and removes it from the trench. When the rock and soil below the milling wheel are cleared, the steel cable is released, and the milling device feeds downward to continue milling the rock and soil.

[0003] The existing twin-wheel trenching machine includes a lower body, a rotating main body, a mud reel assembly, a tubing reel assembly, a boom, a hoisting mechanism, and a milling device. The rotating main body is connected to the lower body. The mud reel and tubing reel are connected to the top of the rotating main body via two first bases. The bottom end of the boom is connected to the rotating main body, and the top of the boom is equipped with a boom head. The top of the boom head is connected to two pipe guide wheels via two second bases. The hoisting mechanism is connected to the rotating main body, and the steel cable output by the hoisting mechanism passes through a pulley on the boom head and is then connected to the milling device. The mud pipe output from the mud reel is guided by one pipe guide wheel and then connected to the milling device; the tubing pipe output from the tubing reel is guided by the other pipe guide wheel and then connected to the milling device.

[0004] Because the mud reel and tubing reel are connected to the top of the rotating body via two first bases, and both the mud reel and tubing reel require a certain height to accommodate the mud pipe, the overall height of the reel and bases exceeds 4.5 meters. Adding the height of the circular pipe guide wheel at the top of the boom and the second base, the overall height of the twin-wheel trenching machine reaches 8.8 meters. For construction environments with height restrictions, the existing twin-wheel trenching machine undoubtedly cannot meet the construction height restriction requirements. Summary of the Invention

[0005] In view of this, the present invention provides a twin-wheel grooving machine that can reduce the overall height of the twin-wheel grooving machine, enabling the twin-wheel grooving machine to perform construction operations in environments with height restrictions.

[0006] A twin-wheel grooving machine includes a lower body, a rotating body, and at least two reel assemblies. The lower body is connected to the lower side of the rotating body. Each reel assembly includes a base and a reel. The base is connected to the upper side of the rotating body. The base is provided with a mounting shaft that extends horizontally out of the rotating body. The reel is rotatably connected to the mounting shaft. The reel and the rotating body have a first overlap area in the height direction.

[0007] Optionally, at least two of the reel assemblies include a first reel assembly and a second reel assembly, wherein the reel of the first reel assembly is located on the left side of the rotating body and is used to wind up mud pipes, and the reel of the second reel assembly is located on the right side of the rotating body and is used to wind up oil pipes.

[0008] Optionally, the twin-wheel grooving machine further includes an engine and a fuel tank, which are installed inside the rotating body. The engine is located below the base of the first reel assembly, and the fuel tank is located below the base of the second reel assembly.

[0009] Optionally, the left side of the rotating body is provided with a first inspection door, the first inspection door includes a first door panel and a second door panel, the first door panel is located in the first overlapping area, the second door panel is located below the first overlapping area, and the second door panel can be opened relative to the rotating body; The right side of the rotating body is provided with a second inspection door, which includes a third door panel and a fourth door panel. The third door panel is located in the overlapping area, and the fourth door panel is located below the overlapping area. The fourth door panel can be opened relative to the rotating body.

[0010] Optionally, the twin-wheel grooving machine further includes a boom, one end of which is rotatably connected to the rotating body, and the other end of which is connected to a boom head. Both sides of the boom head are connected to guide structures for guiding the pipe, and the guide structures and the boom head have a second overlapping area in the height direction.

[0011] Optionally, the guide structure further includes an arc-shaped frame and a connecting seat. The arc-shaped frame is disposed on the side of the boom head and has an arc-shaped guide groove for guiding the pipe. The connecting seat is fixed to the lower side of the arc-shaped frame and the connecting seat is fixed to the side of the boom head.

[0012] Optionally, the arc-shaped frame includes a first guide side plate, a second guide side plate, and an arc-shaped bottom plate. The first guide side plate and the second guide side plate are disposed opposite to each other. The arc-shaped bottom plate is connected between the first guide side plate and the second guide side plate. The arc-shaped guide groove is formed between the first guide side plate, the arc-shaped bottom plate, and the second guide side plate. The connecting seat is connected to the lower surface of the arc-shaped bottom plate.

[0013] Optionally, the guide structure further includes a plurality of guide rollers, each of which is rotatably connected between the first guide side plate and the second guide side plate. The plurality of guide rollers are arranged in sequence at intervals according to the shape of the arc frame, and each guide roller is used to support the pipe.

[0014] Optionally, the guide structure on the left side of the boom head is used to guide the mud pipe, and the guide structure on the right side of the boom head is used to guide the oil pipe.

[0015] Optionally, the guide structure further includes at least one reinforcing roller, which is rotatably connected between the first guide side plate and the second guide side plate, and the reinforcing roller is located above the guide roller.

[0016] Optionally, the twin-wheel grooving machine further includes a pitch driver connected between the boom and the rotating body, the pitch driver being used to adjust the pitch angle of the boom.

[0017] Optionally, the rotating body includes a turntable and an upper platform connected to the turntable, and the base is connected to the upper platform.

[0018] The reel and rotating body of the twin-wheel grooving machine of the present invention have a first overlapping area in the height direction. This design can reduce the overall height of the twin-wheel grooving machine, enabling it to perform construction operations in environments with height restrictions. Moreover, this design does not increase the turning radius of the entire machine and does not affect the normal environmental construction of the twin-wheel grooving machine. Attached Figure Description

[0019] Figure 1 This is a side view of the twin-wheel grooving machine of this application.

[0020] Figure 2 This is a rear view structural schematic diagram of the twin-wheel grooving machine of this application.

[0021] Figure 3 This is a top view of the twin-wheel grooving machine of this application.

[0022] Figure 4 This is a partial disassembled structural diagram of the rotating main body of this application.

[0023] Figure 5 This is a schematic diagram of the boom head and guide structure of this application. Detailed Implementation

[0024] The following specific embodiments illustrate the implementation of this application. Those skilled in the art can easily understand other advantages and effects of this application from the content disclosed in this specification.

[0025] In the following description, reference is made to the accompanying drawings, which illustrate several embodiments of the present application. It should be understood that other embodiments may also be used, and changes in mechanical composition, structure, electrical and operational aspects may be made without departing from the spirit and scope of the present application. The following detailed description should not be considered limiting, and the terminology used herein is for describing particular embodiments only and is not intended to limit the present application.

[0026] Although the terms first, second, etc., are used in some instances to describe various elements herein, these elements should not be limited by these terms. These terms are only used to distinguish one element from another.

[0027] Furthermore, as used herein, the singular forms “a,” “an,” and “the” are intended to include the plural forms as well, unless the context indicates otherwise. It should be further understood that the terms “comprising,” “including,” indicate the presence of a feature, step, operation, element, component, item, kind, and / or group, but do not exclude the presence, occurrence, or addition of one or more other features, steps, operations, elements, components, items, kinds, and / or groups. The terms “or” and “and / or” as used herein are interpreted as inclusive, or mean any one or any combination thereof. Thus, “A, B, or C” or “A, B, and / or C” means “any one of: A; B; C; A and B; A and C; B and C; A, B, and C.” Exceptions to this definition arise only when combinations of elements, functions, steps, or operations are inherently mutually exclusive in some way.

[0028] Figure 1 This is a side view of the twin-wheel grooving machine of this application. Figure 2 This is a rear view structural schematic diagram of the twin-wheel grooving machine of this application. Figure 3 This is a top view schematic diagram of the twin-wheel grooving machine of this application, as shown below. Figure 1 , Figure 2 and Figure 3 As shown, the twin-wheel grooving machine includes a lower body 11, a rotating body 12, and at least two reel assemblies 13. The lower body 11 is connected to the lower side of the rotating body 12. Each reel assembly 13 includes a base 131 and a reel 132. The base 131 is connected to the upper side of the rotating body 12. The base 131 is provided with a mounting shaft 133. The mounting shaft 133 extends horizontally out of the rotating body 12. The reel 132 is rotatably connected to the mounting shaft 133. The reel 132 and the rotating body 12 have a first overlap area in the height direction.

[0029] The reel 132 and the rotating body 12 of the twin-wheel grooving machine of this application have a first overlapping area in the height direction. This design can reduce the overall height of the twin-wheel grooving machine, enabling it to carry out construction operations in environments with height restrictions. Moreover, this design does not increase the turning radius of the whole machine and does not affect the normal environmental construction of the twin-wheel grooving machine.

[0030] Optionally, such as Figure 2 and Figure 3 As shown, at least two reel assemblies 13 include a first reel assembly 13a and a second reel assembly 13b. The reel 132 of the first reel assembly 13a is located on the left side of the rotating body 12 and is used to wind up the mud pipe. The reel 132 of the second reel assembly 13b is located on the right side of the rotating body 12 and is used to wind up the oil pipe.

[0031] Optionally, Figure 4 This is a partial disassembled structural diagram of the rotating main body of this application, as shown below. Figure 4 As shown, the twin-wheel grooving machine also includes an engine 14 and a fuel tank 15, which are installed inside the rotating body 12. The engine 14 is located below the base 131 of the first reel assembly 13a, and the fuel tank 15 is located below the base 131 of the second reel assembly 13b.

[0032] Optionally, such as Figure 1 As shown, a first inspection door 121 is provided on the left side of the rotating body 12. The first inspection door 121 includes a first door panel and a second door panel. The first door panel is located in a first overlapping area, and the second door panel is located below the first overlapping area. The second door panel can be opened relative to the rotating body 12. In this embodiment, the first door panel is at least partially covered by the reel 132 of the first reel assembly 13a, so the first door panel does not need to be opened, while the second door panel can be opened to facilitate maintenance of the engine 14.

[0033] Optionally, such as Figure 1 As shown, a second maintenance door is provided on the right side of the rotating body 12. The second maintenance door includes a third door panel and a fourth door panel. The third door panel is located in the overlapping area, and the fourth door panel is located below the overlapping area. The fourth door panel can be opened relative to the rotating body 12. In this embodiment, the third door panel is at least partially covered by the reel 132 of the second reel assembly 13b, so the third door panel does not need to be opened, while the fourth door panel can be opened to facilitate maintenance of the fuel tank 15.

[0034] Optionally, Figure 5 This is a schematic diagram of the boom head and guide structure of this application, as shown below. Figure 1 , Figure 2 and Figure 5As shown, the twin-wheel grooving machine also includes a boom 16, one end of which is rotatably connected to the rotating body 12, and the other end of which is connected to a boom head 161. Guide structures 17 for guiding pipes are connected to both sides of the boom head 161, and the guide structures 17 and the boom head 161 have a second overlap area in the height direction. This application, by designing the reel 132 and the rotating body 12 to have a first overlap area in the height direction and the guide structures 17 and the boom head 161 to have a second overlap area in the height direction, reduces the overall height of the twin-wheel grooving machine to 7m, enabling it to meet the requirements of most height-restricted environments.

[0035] Optionally, such as Figure 5 As shown, the guide structure 17 also includes an arc-shaped frame 171 and a connecting seat 172. The arc-shaped frame 171 is disposed on the side of the boom head 161 and has an arc-shaped guide groove 101 for guiding the pipe. The connecting seat 172 is fixed to the lower side of the arc-shaped frame 171 and the side of the boom head 161. In this embodiment, a portion of the arc-shaped frame 171 is higher than the boom head 161, and most of the arc-shaped frame 171 is located on the side of the boom head 161 and is fixed to the side of the boom head 161 by the connecting seat 172. This design significantly reduces the equipment height compared to the existing pipe guide wheel installed at the top of the boom head 161.

[0036] Optionally, such as Figure 5 As shown, the connecting seat 172 includes a connecting shaft 1721 and at least two support arms 1722. The connecting shaft 1721 is arranged in a horizontal direction. The end of the connecting shaft 1721 is fixed to the side of the boom head 161. One end of each support arm 1722 is fixed to the connecting shaft 1721, and the other end of each support arm 1722 is connected to the back of the arc frame 171.

[0037] Optionally, the pipe output from the reel assembly 13 is guided by the arc-shaped guide groove 101 and then placed in the milling device 21.

[0038] Optionally, such as Figure 5As shown, the arc-shaped frame 171 includes a first guide side plate 1711, a second guide side plate 1712, and an arc-shaped base plate 1713. The first guide side plate 1711 and the second guide side plate 1712 are disposed opposite to each other, and the arc-shaped base plate 1713 is connected between the first guide side plate 1711 and the second guide side plate 1712. An arc-shaped guide groove 101 is formed between the first guide side plate 1711, the arc-shaped base plate 1713, and the second guide side plate 1712. A connecting seat 172 is connected to the lower surface of the arc-shaped base plate 1713, and the upper surface of the arc-shaped base plate 1713 is located in the arc-shaped guide groove 101. In this embodiment, the arc-shaped frame 171 is curved as a whole, so the first guide side plate 1711, the second guide side plate 1712, and the arc-shaped base plate 1713 are all curved. The first guide side plate 1711 and the second guide side plate 1712 are vertically connected to the opposite sides of the arc-shaped base plate 1713.

[0039] The arc-shaped frame 171 of this application is only 1 / 6 to 1 / 3 of the existing pipe guide wheel; the arc-shaped frame 171 is formed by the interconnection of the first guide side plate 1711, the second guide side plate 1712 and the arc-shaped bottom plate 1713. This design can further reduce the height of the equipment and has a simple structure, which is conducive to reducing equipment costs.

[0040] Optionally, such as Figure 5 As shown, the guide structure 17 also includes multiple guide rollers 173, each guide roller 173 being rotatably connected between the first guide side plate 1711 and the second guide side plate 1712. The multiple guide rollers 173 are arranged sequentially at intervals according to the shape of the arc frame 171, and each guide roller 173 is used to support the pipe. When the pipe (mud pipe or oil pipe) output from the reel assembly 13 passes through the guide structure 17, the pipe moves along the arrangement direction of the multiple guide rollers 173. When the reel assembly 13 winds up the pipe, each guide roller 173 will rotate accordingly, reducing friction on the pipe and helping to extend the service life of the pipe.

[0041] Optionally, such as Figure 2 and Figure 5 As shown, the guide structure 17 on the left side of the boom head 161 is used to guide the mud pipe, and the guide structure 17 on the right side of the boom head 161 is used to guide the tubing. In this embodiment, the distance between the first guide side plate 1711 and the second guide side plate 1712 of the left guide structure 17 is smaller than the distance between the first guide side plate 1711 and the second guide side plate 1712 of the right guide structure 17. The distance between the first guide side plate 1711 and the second guide side plate 1712 of the left guide structure 17 is used to match the outer diameter of a single mud pipe, and the distance between the first guide side plate 1711 and the second guide side plate 1712 of the right guide structure 17 is used to match the width of multiple tubings arranged side by side.

[0042] Optionally, such as Figure 5As shown, the waist of the guide roller 173 of the left guide structure 17 forms a groove to accommodate and limit the mud pipe; the guide roller 173 of the right guide structure 17 is cylindrical to support multiple oil pipes arranged side by side.

[0043] Optionally, such as Figure 5 As shown, the guide structure 17 also includes at least one reinforcing roller 174, which is rotatably connected between the first guide side plate 1711 and the second guide side plate 1712, and is located above the guide roller 173. In this embodiment, the reinforcing roller 174 is used to increase the structural strength of the arc frame 171, which is beneficial to improving the service life of the arc frame 171; the pipe output from the reel assembly 13 passes between the guide roller 173 and the reinforcing roller 174.

[0044] Optionally, such as Figure 1 As shown, the twin-wheel grooving machine also includes a pitch driver 18, which is connected between the boom 16 and the rotating body 12. The pitch driver 18 is used to adjust the pitch angle of the boom 16. In this embodiment, the pitch driver 18 is, for example, a hydraulic cylinder, but is not limited thereto.

[0045] Optionally, such as Figure 2 As shown, the rotating body 12 includes a turntable 122 and an upper platform 123 connected to the turntable 122, with a base 131 connected to the upper platform 123. In this embodiment, the lower vehicle body 11 is connected to the bottom of the turntable 122.

[0046] Optionally, the lower body 11 includes a frame 111 and a first tracked walking mechanism 112 and a second tracked walking mechanism 113 connected to the left and right sides of the frame 111. The twin-wheel milling machine realizes its walking function through the first tracked walking mechanism 112 and the second tracked walking mechanism 113.

[0047] Optionally, the twin-wheel grooving machine also includes at least one hoisting mechanism 19 and a milling device 21. The hoisting mechanism 19 is connected to the rotating body 12. The rope output by the hoisting mechanism 19 is guided by the pulley of the boom head 161 and then connected to the milling device 21. The hoisting mechanism 19 adjusts the height of the milling device 21 by winding or releasing the rope.

[0048] The above embodiments are merely illustrative of the principles and effects of this application and are not intended to limit this application. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of this application. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in this application should still be covered by the claims of this application.

Claims

1. A twin-wheel grooving machine, characterized in that, The device includes a lower body, a rotating body, and at least two reel assemblies. The lower body is connected to the lower side of the rotating body. Each reel assembly includes a base and a reel. The base is connected to the upper side of the rotating body. The base is provided with a mounting shaft that extends horizontally out of the rotating body. The reel is rotatably connected to the mounting shaft. The reel and the rotating body have a first overlap area in the height direction.

2. The twin-wheel grooving machine as described in claim 1, characterized in that, At least two of the reel assemblies include a first reel assembly and a second reel assembly, wherein the reel of the first reel assembly is located on the left side of the rotating body and is used to wind up mud pipe, and the reel of the second reel assembly is located on the right side of the rotating body and is used to wind up oil pipe.

3. The twin-wheel grooving machine as described in claim 2, characterized in that, The twin-wheel grooving machine also includes an engine and a fuel tank, which are installed inside the rotating body. The engine is located below the base of the first reel assembly, and the fuel tank is located below the base of the second reel assembly.

4. The twin-wheel grooving machine as described in claim 3, characterized in that, The left side of the rotating body is provided with a first maintenance door, which includes a first door panel and a second door panel. The first door panel is located in the first overlapping area, and the second door panel is located below the first overlapping area. The second door panel can be opened relative to the rotating body. The right side of the rotating body is provided with a second inspection door, which includes a third door panel and a fourth door panel. The third door panel is located in the overlapping area, and the fourth door panel is located below the overlapping area. The fourth door panel can be opened relative to the rotating body.

5. The twin-wheel grooving machine as described in any one of claims 1 to 4, characterized in that, The twin-wheel grooving machine also includes a boom, one end of which is rotatably connected to the rotating body, and the other end of which is connected to a boom head. Both sides of the boom head are connected to guide structures for guiding the pipe, and the guide structures and the boom head have a second overlapping area in the height direction.

6. The twin-wheel grooving machine as described in claim 5, characterized in that, The guide structure also includes an arc-shaped frame and a connecting seat. The arc-shaped frame is disposed on the side of the boom head and has an arc-shaped guide groove for guiding the pipe. The connecting seat is fixed to the lower side of the arc-shaped frame and the side of the connecting seat is fixed to the back of the boom head.

7. The twin-wheel grooving machine as described in claim 6, characterized in that, The arc-shaped frame includes a first guide side plate, a second guide side plate, and an arc-shaped bottom plate. The first guide side plate and the second guide side plate are arranged opposite to each other. The arc-shaped bottom plate is connected between the first guide side plate and the second guide side plate. The arc-shaped guide groove is formed between the first guide side plate, the arc-shaped bottom plate, and the second guide side plate. The connecting seat is connected to the lower surface of the arc-shaped bottom plate.

8. The twin-wheel grooving machine as described in claim 7, characterized in that, The guiding structure also includes multiple guide rollers, each of which is rotatably connected between the first guide side plate and the second guide side plate. The multiple guide rollers are arranged in sequence at intervals according to the shape of the arc frame, and each guide roller is used to support the pipe.

9. The twin-wheel grooving machine as described in claim 8, characterized in that, Includes at least one of the following: The guide structure on the left side of the boom head is used to guide the mud pipe, and the guide structure on the right side of the boom head is used to guide the oil pipe. The guide structure further includes at least one reinforcing roller, which is rotatably connected between the first guide side plate and the second guide side plate, and the reinforcing roller is located above the guide roller; The twin-wheel grooving machine also includes a pitch driver, which is connected between the boom and the rotating body, and is used to adjust the pitch angle of the boom.

10. The twin-wheel grooving machine as described in any one of claims 1 to 4, characterized in that, The rotating body includes a turntable and an upper platform connected to the turntable, and the base is connected to the upper platform.

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