A trolley for tunnel construction

Abstract

The utility model provides a kind of trolley for tunnel construction, the trolley includes trolley body and support, trolley body is used to carry tunneling equipment and push equipment, support is set on trolley body;Among them, push equipment is equipped with fine adjustment mechanism, fine adjustment mechanism is used to force to push equipment, to adjust the pose of push equipment relative to tunneling equipment, support is used to support fine adjustment mechanism, to provide force point for fine adjustment mechanism.The support of the utility model can support and fix fine adjustment mechanism, so that fine adjustment mechanism aligns push device and push target object with each other, ensures that push device exerts force uniformly, avoids local compression of push device to tunneling equipment.

Description

Technical Field

[0001] This utility model relates to the field of tunnel construction technology, and more specifically, to a trolley used for tunnel construction. Background Technology

[0002] In the field of tunnel construction technology, a trolley is a series of rail-mounted mobile platform vehicles connected to the rear of a tunnel boring machine (TBM) or pipe jacking machine. The tunnel boring equipment operates in front, while the trolley follows closely behind. Acting as a mobile factory and command center, the trolley provides all necessary support to the tunnel boring equipment and handles various logistical issues arising during the excavation process. The trolley is typically mounted on rails and moved forward by the main machine.

[0003] Trolleys can be used to supply electric and hydraulic power, transport materials or waste such as tunnel segments and slag, mount various equipment such as ventilation and cooling systems, and serve as control rooms and personnel passages. Therefore, there are usually multiple trolleys.

[0004] In many tunnel construction scenarios, the excavation of side passages is involved, such as connecting passages in rail transit tunnels, escape passages in highway tunnels, and municipal utility tunnels or pumped storage tunnels. To excavate side passages, the tunneling equipment used for this purpose can be mounted on a trolley. Taking a shield tunneling machine as an example, to create a side passage between two main tunnels, a launching sleeve can be installed in one main tunnel, and a receiving sleeve can be installed in the other. The launching and receiving sleeves are positioned correspondingly. The main unit of the tunneling machine excavates from the launching sleeve towards the receiving sleeve to excavate the side passage.

[0005] In existing technology, tunneling equipment can be used in conjunction with a jacking device. For the basic structure and working principle of the jacking device, please refer to the prior art disclosed in Chinese patents with publication numbers CN219910759U and CN218780355U. The jacking device can be connected and fixed to the sleeve or to the tunnel segments, and it exerts force to push the main unit of the tunneling equipment. Thus, the jacking device can push the main unit and / or the segments to be laid in the tunneling direction. It can be understood that the above-mentioned combination of tunneling equipment and jacking device can be used for lateral jacking, as well as longitudinal or inclined jacking.

[0006] The shortcomings of existing technology are that the jacking device is difficult to align perfectly with the jacking target (the main unit and / or segments of the tunneling equipment), and the relative positions of the two are prone to deviation. Even a small alignment deviation may lead to uneven force application and localized pressure on the jacking device, affecting the jacking effect and efficiency, and even damaging the tunneling equipment. Utility Model Content

[0007] This utility model provides a trolley for tunnel construction to solve the technical problem in the prior art that the jacking device is difficult to align completely with the jacking target.

[0008] To address the aforementioned problems, this utility model provides a trolley for tunnel construction. The trolley includes: a trolley body for carrying tunneling equipment and jacking equipment; and a support frame mounted on the trolley body. The jacking equipment is equipped with a fine-tuning mechanism, which applies force to the jacking equipment to adjust its position relative to the tunneling equipment. The support frame supports the fine-tuning mechanism, providing a point of leverage for the fine-tuning mechanism.

[0009] In the above technical solution, the brackets are arranged in pairs on both sides of the jacking equipment to support the paired fine-tuning mechanisms.

[0010] In the above technical solution, the fine-tuning mechanism has multiple sets, and the bracket is used to support at least two sets of fine-tuning mechanisms that are set in pairs.

[0011] In the above technical solution, the trolley body includes: a base frame, on which the tunneling equipment and the jacking equipment are mounted; and a column, which is set on the base frame; wherein, the support is set on the base frame and / or the column.

[0012] In the above technical solution, the column includes: a first column; a second column, the first column and the second column are arranged in pairs, one after the other, along the traveling direction of the trolley; wherein, the support includes a first support symmetrically arranged on the first column and the second column.

[0013] In the above technical solution, the first bracket includes: a connecting part, which is connected to the column; and a supporting part, which is connected to the connecting part and is used to support the fine-tuning mechanism.

[0014] In the above technical solution, the connecting part and the column are connected by integral molding, and the support part and the connecting part are riveted.

[0015] In the above technical solution, the connecting part consists of multiple stiffening plates arranged along the column.

[0016] In the above technical solution, the fine-tuning mechanism includes a first fine-tuning mechanism, which is used to apply force up and down to the jacking equipment in the vertical direction; the first fine-tuning mechanism is fixed to the column by a first bracket; and / or the fine-tuning mechanism includes a second fine-tuning mechanism, which is used to apply force back and forth to the jacking equipment in the horizontal direction of the tunneling equipment; the second fine-tuning mechanism is fixed to the column by a first bracket.

[0017] In the above technical solution, the fine-tuning mechanism includes a third fine-tuning mechanism, which is used to apply force to the jacking equipment from both ends; the support includes a second support symmetrically arranged on the base frame, and the third fine-tuning mechanism is fixed to the base frame through the second support.

[0018] Beneficial effects This invention provides a trolley for tunnel construction, comprising a trolley body and a support frame. The trolley body carries tunneling equipment and a jacking device, and the support frame is mounted on the trolley body. The jacking device is equipped with a fine-adjustment mechanism. This mechanism applies force to the jacking device to adjust its position relative to the tunneling equipment. The support frame supports the fine-adjustment mechanism, providing a point of leverage for it. Thus, this invention utilizes the support frame to support the fine-adjustment mechanism on the trolley body, enabling the fine-adjustment mechanism to apply force to the jacking device. This ensures the jacking device is aligned with the target object (the main unit and / or tunnel segments of the tunneling equipment), preventing relative positional deviations and avoiding uneven force application or localized pressure issues. This ensures the effectiveness and efficiency of the jacking tunneling process and protects the tunneling equipment. Attached Figure Description

[0019] Figure 1 This is a front view of the trolley of this utility model; Figure 2 This is a rear view of the trolley of this utility model; Figure 3 This is a left view of the trolley of this utility model; Figure 4 This is one of the perspective views of the trolley of this utility model; Figure 5 This is the second perspective view of the trolley of this utility model; Figure 6 for Figure 2 A magnified view of part A in the middle.

[0020] Explanation of reference numerals in the attached figures: Base frame: 100; Column: 200; First column: 210; Second column: 220; First support: 310; Connecting part: 310a; Support part: 310b; Second support: 320; First fine-tuning mechanism: 410; Second fine-tuning mechanism: 420; Third fine-tuning mechanism: 430; Pushing equipment: 500. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] This invention provides a tunnel construction trolley for excavating side passages. Side passage excavation is necessary for various construction scenarios, such as connecting passages in rail transit tunnels, escape passages in highway tunnels, and municipal utility tunnels or pumped storage tunnels. To excavate side passages, a launching sleeve can be installed in one main tunnel and a receiving sleeve in another main tunnel. The launching and receiving sleeves are positioned correspondingly. The main excavator of the tunneling equipment excavates from the launching sleeve towards the receiving sleeve to excavate the side passage.

[0023] For tunneling on the starting side, starting sleeves, tunneling equipment, and jacking equipment are required. These devices are carried and transported by a trolley. After the trolley carrying the tunneling equipment reaches its designated position, it is parked at the target location. The starting sleeve is fixed to the inner wall of the main tunnel, and the main unit of the tunneling equipment performs tunneling operations inside the starting sleeve. The jacking equipment and the main unit of the tunneling equipment can accommodate the segments to be assembled. The jacking equipment pushes the main unit of the tunneling equipment and the segments to be assembled towards the tunneling direction of the side passage, simultaneously completing tunneling and segment assembly. Thus, with the assistance of the jacking equipment, the main unit of the tunneling equipment can tunnel along the starting sleeve towards the receiving sleeve located in the main tunnel on the other side.

[0024] The tunnel construction trolley provided by this utility model includes a trolley body and a support frame. The trolley body is used to carry tunneling equipment and jacking equipment 500, and the support frame is mounted on the trolley body. The jacking equipment 500 is equipped with a fine-adjustment mechanism, which applies force to the jacking equipment 500 to adjust its position relative to the tunneling equipment. The support frame supports the fine-adjustment mechanism, providing a point of leverage for it.

[0025] In this utility model, such as Figure 1 and Figure 2 As shown, the trolley body mainly includes a base frame 100 and a column 200. The tunneling equipment mainly includes a tunneling main unit, which has a tunneling cutterhead. The jacking device 500 can achieve jacking through a device such as a hydraulic cylinder. When using the method of mounting the tunneling equipment on the trolley for bypass tunneling, the main unit of the tunneling equipment tunnels along the starting sleeve, and the jacking device jacks the main unit of the tunneling equipment and the segments to be assembled.

[0026] During the bypass tunnel excavation, the jacking equipment 500 needs to provide jacking force to the main excavation equipment and the tunnel segments. After explaining the working method of the jacking equipment 500, those skilled in the art can understand that the jacking equipment 500 needs to be aligned with the target object at the jacking end as much as possible during operation.

[0027] In other words, the jacking equipment 500 needs to ensure that its horizontal centerline coincides with the horizontal centerline of the target object during operation. However, the jacking force applied by the jacking equipment 500 usually requires the cooperation of multiple hydraulic cylinders acting as jacking drive units. The construction environment for jacking tunneling is also complex and variable, and tunneling requirements may involve uphill and downhill sections or turns. In addition, the jacking equipment 500 is relatively heavy and bulky. Any of these factors can affect the jacking direction of the jacking equipment 500 and may cause it to deviate or shift, thus preventing the jacking equipment 500 from being perfectly aligned with the target object.

[0028] Alignment deviations (even minor ones) between the jacking device and the target object can easily lead to uneven force application and localized pressure on the jacking device, affecting the effectiveness and efficiency of the jacking tunneling and even damaging the tunneling equipment.

[0029] To avoid the aforementioned problems, a fine-tuning mechanism can be configured for the jacking equipment 500. This mechanism applies force to the jacking equipment 500, allowing for slight adjustments to its position and orientation when necessary. This ensures more precise alignment between the jacking equipment 500 and the tunneling equipment, thereby improving tunneling efficiency and effectiveness, and protecting both the tunneling equipment and the jacking equipment 500.

[0030] It is understandable that the fine-tuning mechanism adjusts the position and orientation of the jacking equipment 500 by applying force to it, such as pushing, pulling, supporting, or compressing force. Specifically, the fine-tuning mechanism can be a hydraulic cylinder, electric cylinder, electric push rod, pneumatic cylinder, or lead screw, which outputs force by performing work. Preferably, the fine-tuning mechanism achieves force output and magnitude adjustment through extension and retraction.

[0031] To achieve the aforementioned force application effect, the fine-tuning mechanism needs to be in contact with the jacking equipment 500, and it also needs to be supported and fixed to ensure that the fine-tuning mechanism has a point of force application during the force application process and can achieve force transmission. Therefore, the trolley of this utility model has a bracket mounted on the trolley body, which can support the fine-tuning mechanism and provide a suitable point of force application for it.

[0032] It is understood that those skilled in the art can select the location and support method of the bracket from the following implementation methods according to the actual needs of the site and the specific support and fixing requirements.

[0033] In one embodiment of this utility model, the fine-tuning mechanism can be located at the bottom of the pushing device 500. This allows the fine-tuning mechanism to apply a pulling force to the pushing device 500, slightly lowering its central axis, or to apply a pushing force to the pushing device 500, slightly raising its central axis. In this case, a support bracket is located below the fine-tuning mechanism to provide support. This ensures stable force application when the fine-tuning mechanism pushes or pulls the pushing device 500.

[0034] In one embodiment of this invention, the fine-tuning mechanism is positioned at the top of the pushing device 500. This allows the fine-tuning mechanism to apply a pulling force to the pushing device 500, slightly shifting its central axis upwards, or to apply pressure to the pushing device 500, slightly shifting its central axis downwards. In this case, the bracket above the fine-tuning mechanism provides a point of leverage.

[0035] Similarly, the fine-tuning mechanism can be located on the left and / or right side of the jacking device 500. This allows the jacking device 500 to be slightly offset to the left or right by applying a thrust through the fine-tuning mechanism. In this case, the support is also located on the left and / or right side of the jacking device 500. The fine-tuning mechanism is located between the support and the jacking device 500.

[0036] Preferably, there are two or more fine-tuning mechanisms, which are set in different positions to apply force to the jacking equipment 500 at at least two different positions or in at least two different directions.

[0037] In one embodiment of this utility model, the number of supports is the same as the number of fine-tuning mechanisms, the setting position of the supports is adapted to the setting position of the fine-tuning mechanisms, and each fine-tuning mechanism has a corresponding support.

[0038] In one embodiment of this utility model, the fine-tuning mechanism has multiple sets, and the bracket is used to support at least two sets of fine-tuning mechanisms arranged in pairs. In other words, the number of brackets is less than the number of fine-tuning mechanisms, and two or more fine-tuning mechanisms can share one bracket to achieve the effect of compact space and convenient installation.

[0039] Preferably, the fine-tuning mechanisms are arranged in pairs and positioned on opposite sides of the centerline of the pushing device 500. For example, a pair of fine-tuning mechanisms can be positioned on the upper and lower sides, left and right sides, or front and rear sides of the pushing device 500. Alternatively, a pair of fine-tuning mechanisms can be symmetrically arranged along the vertical centerline of the pushing device 500 on its bottom surface. Or, a pair of fine-tuning mechanisms can be symmetrically arranged along the horizontal centerline of the pushing device 500 on its left and right sides. The paired fine-tuning mechanisms can cooperate to achieve more precise and flexible adjustments to the position and orientation of the pushing device 500.

[0040] Accordingly, supports are arranged in pairs on both sides of the jacking device 500 to support the paired fine-tuning mechanisms. For example, the fine-tuning mechanisms located on the upper and lower sides or the left and right sides of the jacking device 500 can be supported by different supports. Similarly, two or more fine-tuning mechanisms located on the upper side or the lower side of the jacking device 500 can be supported by the same supports.

[0041] Regarding the installation location of the bracket, those skilled in the art can select from the following implementation methods based on the actual needs of the site.

[0042] As mentioned above, the trolley body includes a base frame 100 and uprights 200. Figure 1 and Figure 2 As shown, the tunneling equipment and the jacking equipment 500 are mounted on the base frame 100, and the column 200 is mounted on the base frame 100. The support is located on the base frame 100 and / or the column 200. Mounting the support on the base frame 100 facilitates support from the bottom of the fine-tuning mechanism. Mounting the support on the column 200 facilitates the use of symmetrically arranged columns 200 to support and fix the fine-tuning mechanism in opposite directions from opposite sides of the jacking equipment. Furthermore, mounting the support on the column 200 also helps to conserve installation space.

[0043] For example, such as Figure 4 and Figure 5 As shown, the support column 200 includes a first support column 210 and a second support column 220. The first support column 210 and the second support column 220 are arranged in pairs, one behind the other, along the direction of travel of the trolley. Figure 3 As shown, the support includes a first support 310 symmetrically disposed on the first column 210 and the second column 220.

[0044] like Figure 6 As shown, the specific structure of the first bracket 310 includes: a connecting part 310a, which is connected to the column 200; and a supporting part 310b, which is connected to the connecting part 310a and is used to support the fine-tuning mechanism.

[0045] Specifically, the connecting part 310a consists of multiple stiffening plates arranged along the column 200. One end of the connecting part is crescent-shaped to fit the arc-shaped outer wall of the column 200, while the other end is a flat plate structure used to connect with the support part 310b. The end of the support part 310b that mates with the connecting part 310a is also a flat plate structure to increase the contact surface between the two and improve the stability of the connection.

[0046] Preferably, the support portion 310b is formed as a bracket structure, which is formed by assembling several plates and has a support platform that can support the fine-tuning mechanism. The support platform has a through hole that can accommodate the fine-tuning mechanism. The fine-tuning mechanism is inserted into and passes through the through hole to be fixed to the support portion 310b.

[0047] Preferably, the connecting part 310a is integrally formed with the column 200, and the supporting part 310b is riveted to the connecting part 310a. Since the jacking device is relatively heavy, the fine-tuning mechanism that applies force to the jacking device needs to be stably supported. This connection method ensures a secure connection between the first bracket 310 and the column 200, allowing the first bracket 310 to stably support the fine-tuning mechanism.

[0048] As mentioned above, there can be multiple fine-tuning mechanisms, and each mechanism needs to have a stable point of application. Preferably, such as... Figure 6 As shown, the fine-tuning mechanism includes a first fine-tuning mechanism 410, a second fine-tuning mechanism 420, and a third fine-tuning mechanism 430. The first fine-tuning mechanism 410 applies force vertically to the jacking equipment 500; the second fine-tuning mechanism 420 applies force horizontally to the jacking equipment 500 along the horizontal direction of the tunneling equipment; and the third fine-tuning mechanism 430 applies force from both ends of the jacking equipment 500 to the left and right. Accordingly, the first fine-tuning mechanism 410 and the second fine-tuning mechanism 420 are fixed to the column 200 by a first bracket 310. The bracket also includes a second bracket 320 symmetrically arranged on the base frame 100, and the third fine-tuning mechanism 430 is fixed to the base frame 100 by the second bracket 320. Thus, the first fine-tuning mechanism 410 and the second fine-tuning mechanism 420 share the first bracket 310 installed on the column 200 to save installation space. The third fine-tuning mechanism 430 uses the second support 320 located on the base frame 100 as the point of force, so that the third fine-tuning mechanism 430 can relatively easily adjust the position of the pushing equipment 500 from the left and right sides of the lower end of the pushing equipment 500.

[0049] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A trolley for tunnel construction, characterized in that, The trolley includes: The trolley body is used to carry tunneling equipment and jacking equipment (500). A bracket, which is mounted on the trolley body; The jacking equipment (500) is equipped with a fine-tuning mechanism, which is used to apply force to the jacking equipment (500) to adjust the position of the jacking equipment (500) relative to the tunneling equipment. The bracket is used to support the fine-tuning mechanism and provide a point of force for the fine-tuning mechanism.

2. The trolley according to claim 1, characterized in that, The brackets are arranged in pairs on both sides of the jacking device (500) to support the paired fine-tuning mechanisms.

3. The trolley according to claim 1, characterized in that, The fine-tuning mechanism has multiple sets, and the bracket is used to support at least two sets of the fine-tuning mechanism that are arranged in pairs.

4. The trolley according to claim 1, characterized in that, The trolley body includes: The tunneling equipment and the jacking equipment (500) are mounted on the base frame (100). A column (200) is mounted on the base frame (100); The bracket is located on the base frame (100) and / or the column (200).

5. The trolley according to claim 4, characterized in that, The column (200) includes: First column (210); The second column (220) and the first column (210) and the second column (220) are arranged in pairs, one after the other, along the traveling direction of the trolley; The support includes a first support (310) symmetrically disposed on the first column (210) and the second column (220).

6. The trolley according to claim 5, characterized in that, The first support (310) includes: A connecting part (310a) is connected to the column (200); A support portion (310b) is connected to the connecting portion (310a) and is used to support the fine-tuning mechanism.

7. The trolley according to claim 6, characterized in that, The connecting part (310a) is connected to the column (200) by integral molding, and the supporting part (310b) is riveted to the connecting part (310a).

8. The trolley according to claim 6, characterized in that, The connecting part (310a) consists of a plurality of stiffening plates arranged along the column (200).

9. The trolley according to claim 5, characterized in that, The fine-tuning mechanism includes a first fine-tuning mechanism (410), which is used to apply force vertically to the jacking device (500); the first fine-tuning mechanism (410) is fixed to the column (200) by the first bracket (310); and / or The fine-tuning mechanism includes a second fine-tuning mechanism (420), which is used to apply force to the jacking equipment (500) in the horizontal direction of the tunneling equipment; the second fine-tuning mechanism (420) is fixed to the column (200) by the first bracket (310).

10. The trolley according to any one of claims 4 to 9, characterized in that, The fine-tuning mechanism includes a third fine-tuning mechanism (430), which is used to apply force to the jacking equipment (500) from both ends; the bracket (300) includes a second bracket (320) symmetrically arranged on the base frame (100), and the third fine-tuning mechanism (430) is fixed to the base frame (100) through the second bracket (320).

Images