TBM stepping sliding system gripper shoe supporting device

Abstract

The utility model relates to a gripper shoe supporting device of a TBM stepping sliding system. The gripper shoe supporting device of the TBM stepping sliding system comprises a short supporting leg, a long supporting leg, a fixing base, a base and a gripper shoe. The short supporting leg is of a clamping sleeve structure, the inner structure of the short supporting leg is matched with the bottom shape of the supporting boot, and the short supporting leg is installed at one end of the base. The upper end of the long supporting leg is installed on the fixing base, and the lower end of the long supporting leg is fixed to the other end of the base. The short supporting leg, the long supporting leg, the fixing base and the base are symmetrically arranged along with the supporting shoe, and the stability of the supporting shoe during TBM stepping sliding is guaranteed. According to the scheme provided by the invention, the supporting shoe and the stepping system can be connected into a closed whole through the long supporting leg and the short supporting leg for operation and multidirectional direction adjustment, so that the rapid operation of the large-diameter and high-weight TBM under the conditions of complex and changeable surrounding rock geology and long-distance continuous stepping sliding operation is improved; and the stability and the high efficiency of the advancing operation process of the stepping system are ensured.

Description

Technical Field

[0001] The present application relates to the technical field of gripper shoe support, and in particular to a gripper shoe support device for a TBM stepping and sliding system. Background Art

[0002] The full-section hard rock tunnel boring machine (TBM) is a highly intelligent, major technical equipment for tunnel construction that integrates mechanical, electrical, hydraulic, optical and computer technologies.

[0003] During the excavation of large-scale open TBM tunnels, after the TBM is assembled, it needs to step forward to the starting face before starting excavation. In addition, after the previous section of the tunnel is excavated through, it also needs to step forward to the next tunnel section for excavation. This requires a stepping system to achieve this.

[0004] For heavy-weight and large-diameter TBMs, when the stepping and sliding system is in operation and adjustment, the rear support is lifted and the left and right sides are in a suspended state. It is necessary to use corresponding devices to connect it to the base of the ground stepping device to supplement and make up for the missing space, support the support shoes and effectively connect them for synchronous operation, so as to avoid the defects of unstable, slow and easy swinging of the support shoes during stepping due to uneven pressure and support on both sides, and difficult to control and low accuracy of multi-directional movement adjustment. These defects lead to limitations in TBM stepping and sliding construction, resulting in delays in subsequent excavation work and economic losses.

[0005] Therefore, there is a need for an auxiliary support device for the propulsion system, which can be used for TBM step-changing and direction-adjusting in complex geological conditions, so as to improve the efficiency and speed of the tunneling step-changing and direction-adjusting process. Utility Model Content

[0006] In order to solve or partially solve the problems existing in the relevant technology, the present application provides a TBM step-and-slide system support shoe support device, which aims to solve the problem that the left and right sides are in a suspended state during the TBM step-and-slide and direction-adjustment process in complex geological conditions.

[0007] The present application provides a TBM step-and-slide system gripper support device, comprising:

[0008] Short outriggers, long outriggers, mounts, bases and grippers;

[0009] The short leg is a ferrule structure, the internal structure of the short leg matches the shape of the bottom of the shoe, and the short leg is installed at one end of the base;

[0010] The fixing seat is installed in the middle of the gripper shoe, the upper end of the long leg is installed on the fixing seat, and the lower end is fixed to the other end of the base;

[0011] The short outriggers, long outriggers, fixing seats and base are symmetrically arranged with the grippers to ensure the stability of the grippers when the TBM is stepping and sliding.

[0012] Optionally, in some embodiments, the shoe support device of the TBM step-sliding system further includes:

[0013] Reinforcing connecting plates are respectively installed between the bottoms of the short legs and the long legs and the base. The stability of the short legs and the long legs on the base is improved through the reinforcing connecting plates. A reinforcing connecting plate is also provided between the fixed seat and the shoe to ensure the stability of the fixed seat on the shoe.

[0014] Optionally, in some embodiments, the short leg is a bushing structure made of high-strength rigid steel plates; the long leg is a "zigzag" support leg made of high-strength rigid square steel pipes.

[0015] Optionally, in some embodiments, the reinforcing connecting plates are fixed to the base and the shoe by bolts.

[0016] Optionally, in some embodiments, the shoe support device of the TBM step-sliding system further includes:

[0017] Connecting rods are connected inside the base. The symmetrically arranged short legs, long legs, fixed seats and the base are connected into a closed whole, ensuring the synchronism and stability of the operation of the shoe support device during TBM stepping.

[0018] The technical solution provided by this application may include the following beneficial effects:

[0019] The shoe is connected to the stepping system by the long legs and the short legs to form a closed whole for operation and multi-directional alignment, ensuring the efficient operation of the stepping process, improving the efficiency and time of the step-sliding system operation, and enabling the rapid progress of large-diameter and high-weight TBMs under complex and variable surrounding rock geology and long-distance continuous step-sliding operation conditions, ensuring the stability and efficiency of the forward operation process of the stepping system.

[0020] It should be understood that the above general description and the following detailed description are only exemplary and explanatory, and cannot limit this application. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] By describing the exemplary embodiments of the present application in more detail in conjunction with the drawings, the above and other objects, features and advantages of the present application will become more obvious. Among them, in the exemplary embodiments of the present application, the same reference numerals generally represent the same components.

[0022] Figure 1 is a schematic structural diagram of the shoe support device of the TBM step-sliding system shown in the embodiments of the present application;

[0023] Figure 2It is the front view schematic diagram of the support device of the TBM stepping and sliding system shown in the embodiments of the present application.

[0024] Reference numerals: 1 - short leg, 2 - long leg, 3 - fixed seat, 4 - bolt, 5 - reinforcing connecting plate, 6 - base, 7 - connecting rod, 8 - support shoe, 9 - saddle. Detailed implementation manners

[0025] The embodiments of the present application will be described in more detail below with reference to the accompanying drawings. Although the embodiments of the present application are shown in the drawings, it should be understood that the present application can be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided to make the present application more thorough and complete, and to fully convey the scope of the present application to those skilled in the art.

[0026] It should be understood that although the terms "first", "second", "third", etc. may be used in the present application to describe various information, such information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other. For example, without departing from the scope of the present application, the first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present application, "a plurality" means two or more unless otherwise specifically defined.

[0027] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application 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 should not be construed as a limitation of the present application.

[0028] Unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0029] For large - weight and large - diameter TBMs, when the stepping and sliding system is operating and aligning, the rear support is lifted, and the left and right sides are in a suspended state. It is necessary to connect it to the base of the ground stepping device through corresponding devices to supplement and make up for the missing spatial position, support the support shoes and effectively connect them for synchronous operation, and avoid the defects of unstable support shoes, slow speed, easy swing during stepping due to uneven pressure and support on both sides, difficult control of multi - directional movement alignment, and low accuracy, resulting in limitations in TBM stepping and sliding construction, causing delays in its subsequent tunneling period and economic losses.

[0030] In view of the above problems, the embodiment of the present application provides a support device for the support shoes of the TBM stepping and sliding system, which can connect the support shoes and the stepping system into a closed whole through long legs and short legs for operation and multi - directional alignment, ensure the efficient operation of the stepping process, improve the efficiency and time of the stepping and sliding system operation, improve the rapid progress of large - diameter and high - weight TBMs under complex and changeable surrounding rock geology and long - distance continuous stepping and sliding operation conditions, and ensure the stability and efficiency of the forward operation process of the stepping system.

[0031] The technical solutions of the embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0032] Figure 1 It is a schematic structural diagram of the support device for the support shoes of the TBM stepping and sliding system shown in the embodiment of the present application.

[0033] See Figure 1 , a support device for the support shoes of the TBM stepping and sliding system, comprising: [[ID=I7]]

[0034] Short leg 1, long leg 2, fixed seat 3, bolt 4, strengthening connecting plate 5, base 6, connecting rod 7, support shoe 8 and saddle 9.

[0035] The two short legs 1 are a socket structure welded by high - strength and thick rigid steel plates. The internal structure of the short leg (1) matches the shape of the bottom of the support shoe (8). A strengthening connecting plate 5 is welded to the bottom of the short leg (1), and the strengthening connecting plate 5 and the short leg (1) are fixed to one end of the upper part of the base 6 through bolts 4 to ensure the balance of the force on the contact surface of the support shoe 8 with the base 6.

[0036] The long leg (2) is a "Z" - shaped support leg made of high - strength rigid square steel pipes. The upper end of the long leg (2) is installed in the middle of the support shoe through the fixed seat 3, bolts 4 and the strengthening connecting plate 5 to ensure that the support shoe 8 does not swing during stepping. The lower end of the long leg (2) is installed at the other end of the base 6 through bolts 4 and the strengthening connecting plate 5 to further strengthen the support for bearing the weight of the support shoe 8 and the saddle 9 and serve as an anti - deviation device.

[0037] The inner sides of the base (6) are connected by a connecting rod (7), connecting the symmetrically arranged short support legs (1), long support legs (2), fixed seats (3) and the base (6) into a closed whole, ensuring the synchronization and stability of the operation of the shoe support device during the TBM stepping.

[0038] When the TBM makes a large step change or direction adjustment, the bottom of the shoe 8 is fixed on the short support leg (1), and the fixed seat 3 fixedly connects the long support leg 2 to the middle of the shoe 8. Through the joint cooperation of the short support leg 1 and the long support leg 2, stable support of the shoe 8 in the vertical direction is achieved, and it can also be horizontally fixed up and down through the short support leg 1 and the base 6 to prevent the swing arm from shaking due to excessive stepping amplitude. Furthermore, the horizontal orientation of the shoe 8 is achieved, reaching the maximum optimization of the process efficiency of the step-sliding system for step change and direction adjustment operations.

[0039] The embodiments of the present application have been described above. The above description is exemplary and not exhaustive, and is not limited to the disclosed embodiments. Many modifications and variations are obvious to those of ordinary skill in the art in the technical field without departing from the scope and spirit of the described embodiments. The selection of the terms used herein is intended to best explain the principles of the embodiments, practical applications, or improvements to the technologies in the market, or to enable other ordinary technical personnel in the technical field to understand the disclosed embodiments.

Claims

1. A support device for the support shoes of a TBM stepping and sliding system, characterized in that, Including: Short support legs (1), long support legs (2), fixed seats (3), bases (6) and support shoes (8); The short support legs (1) are of a ferrule structure, and the internal structure of the short support legs (1) matches the shape of the bottom of the support shoes (8). The short support legs (1) are installed at one end of the base (6); The fixed seats (3) are installed in the middle of the support shoes (8). The upper ends of the long support legs (2) are installed on the fixed seats (3), and the lower ends are fixed to the other end of the base (6); The short support legs (1), long support legs (2), fixed seats (3) and bases (6) are symmetrically arranged with the support shoes (8) to ensure the stability of the support shoes (8) during the TBM stepping and sliding.

2. The shoe support device of the TBM stepping and sliding system according to claim 1, characterized in that Also including: Reinforcing connecting plates (5); The reinforcing connecting plates (5) are respectively installed between the bottoms of the short support legs (1) and long support legs (2) and the base (6) to improve the stability of the short support legs (1) and long support legs (2) on the base (6); Reinforcing connecting plates (5) are also arranged between the fixed seats (3) and the support shoes (8) to ensure the stability of the fixed seats (3) on the support shoes (8).

3. The support device for the support shoes of the TBM stepping and sliding system according to claim 1, characterized in that: The short support legs (1) are of a ferrule structure made of high-strength rigid steel plates; The long support legs (2) are "Z"-shaped support legs made of high-strength rigid square steel pipes.

4. The support device for the support shoes of the TBM stepping and sliding system according to claim 2, characterized in that: The reinforcing connecting plates (5) are fixed to the base (6) and the support shoes (8) by bolts (4).

5. The shoe support device of the TBM step-sliding system according to claim 1, characterized in that Also including: Connecting rods (7); The inner sides of the bases (6) are connected by connecting rods (7) to connect the symmetrically arranged short support legs (1), long support legs (2), fixed seats (3) and bases (6) into a closed whole to ensure the synchronism and stability of the operation of the support device for the support shoes during the TBM stepping.

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