Outer Kevlar bottom dragging tool for inclined shaft TBM (Tunnel Boring Machine) stepping
By designing the Waikai tow bottom tooling including support and walking wheels, the problem of unstable Waikai components is solved, the stability and safety of Waikai components in transportation and use is achieved, and the safety of the TBM stepping process is ensured. .
Patent Information
- Application Number
- CN202421193918.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-29
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-05-29
AI Technical Summary
The existing design of the Waikai tow bottom tooling is unreasonable, resulting in unstable parts of the Waikai and causing serious safety accidents.
A kind of outer caliber bottom tooling including a support member, a walking wheel and a wheel body is designed. The support member is composed of a oblique frame and a vertical frame. The walking wheel is fixedly installed at the bottom of the support member, and the wheel body is rotatably installed between the side frame plates. The stable operation of the wheel body on the track is ensured through the positioning ball and baffle structure.
By improving the designed support structure, the Wakai components are more stable during transportation and use, providing a stable support point, ensuring the safety of the TBM stepping process.
Smart Images

Figure CN222296224U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of outer shell assembly of inclined shaft TBM, in particular to an outer shell bottom dragging tooling used for stepping of inclined shaft TBM. Background Art
[0002] Outer shell and gripper shoes The outer shell is divided into outer shell structure and gripper shoes. The structure and the gripper shoes are connected by cylinders and guide columns. The outer shell as a whole can slide axially along the inner shell track to realize the excavation and step-changing operations of the TBM.
[0003] When the hydraulically driven gripper locks the outer armor firmly in the excavated tunnel, the outer armor can provide thrust for the TBM propulsion and withstand the cutter head torque. At the same time, the guide column and the cylinder are both ball head type, which can ensure that the gripper shoe plate maintains close contact with the tunnel wall. When the outer armor is assembled and stepped, a outer armor bottom dragging tooling must be designed to facilitate the outer armor stepping.
[0004] Since the design of the currently used outer shell bottom dragging tooling is unreasonable, it is easy to make the outer shell components unstable during use, causing serious safety accidents. Therefore, the utility model provides an outer shell bottom dragging tooling for inclined well TBM stepping. Utility Model Content
[0005] In order to solve the problem that the existing outer shell bottom dragging tooling is easy to make the outer shell components unstable when in use, causing serious safety accidents, the utility model provides an outer shell bottom dragging tooling for inclined well TBM stepping.
[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0007] A Waike bottom dragging tool for TBM stepping in inclined shaft, comprising:
[0008] A support member, wherein the support member comprises an oblique frame and a vertical frame from top to bottom;
[0009] A beam frame, wherein two support members are provided, the oblique frame is inclined toward between the two support members, and the beam frame is fixedly installed between the two support members;
[0010] The walking wheel is fixedly mounted on the bottom of the supporting member.
[0011] As a further description of the above technical solution:
[0012] A folding plate member is fixedly mounted on the top end of the inclined frame.
[0013] As a further description of the above technical solution:
[0014] The bottom end of the vertical frame is fixedly connected with a bottom horizontal plate;
[0015] The walking wheel comprises:
[0016] Side frame plates, wherein two side frame plates are provided, and end plates are fixedly connected between the two ends of the two side frame plates;
[0017] A support frame plate, the top end of which is fixedly connected to the bottom end of the bottom horizontal plate, and the support frame plate is fixedly mounted on the outer side of the side frame plate through a first horizontal axis;
[0018] A wheel body is rotatably mounted between two side frame plates.
[0019] As a further description of the above technical solution:
[0020] A rectangular frame is formed between the two side frame plates and the two end plates.
[0021] As a further description of the above technical solution:
[0022] A positioning ball corresponding to the outer track groove of the wheel body is fixedly connected to the outer side of the first transverse axis, and the positioning ball is annular.
[0023] As a further description of the above technical solution:
[0024] The wheel body comprises:
[0025] An outer wheel, wherein a core shaft is rotatably mounted in a center hole of the outer wheel;
[0026] An installation shaft, wherein a first notch is provided on a side surface of the installation shaft, and a center hole of the mandrel cooperates with the installation shaft;
[0027] A second notch is formed at the end of the mounting shaft, and a baffle is fixedly connected to the outer side of the side frame plate, and the baffle corresponds to the second notch.
[0028] Beneficial effects of the utility model:
[0029] The utility model improves the structure of the support member so that the support member can be more suitable for holding up the outer shell, and the outer shell is more stable during transportation, and can be used as a stable supporting point for use when the TBM is stepped. BRIEF DESCRIPTION OF THE DRAWINGS
[0030] In order to more clearly illustrate a walking tool for inclined shaft TBM, the following drawings are shown;
[0031] Figure 1 It is a front view of the utility model;
[0032] Figure 2 It is a three-dimensional schematic diagram of the travel wheel of the utility model;
[0033] Figure 3It is a front view of the travel wheel of the utility model;
[0034] Figure 4 It is a three-dimensional schematic diagram of the wheel body of the utility model.
[0035] The reference numerals in the accompanying drawings:
[0036] 1. Support member; 101. Vertical frame; 102. Oblique frame; 103. Bottom horizontal plate; 104. Folding plate member; 2. Beam frame; 3. Travel wheel; 301. Side frame plate; 302. End plate; 303. Support frame plate; 304. First horizontal axis; 305. Positioning ball; 306. Wheel body; 3061. Outer wheel; 3062. Core shaft; 3063. Mounting shaft; 3064. First notch; 3065. Second notch; 307. Baffle. DETAILED DESCRIPTION
[0037] Please refer to the attached Figure 1-Figure 4 , showing an outer bottom dragging tooling for inclined shaft TBM stepping provided by an embodiment of the present application, including: a support member 1, a beam frame 2, and a walking wheel 3.
[0038] Among them, the support member 1 includes an inclined frame 102 and a vertical frame 101 from top to bottom. The inclined frame 102 and the vertical frame 101 are an integrated structure, which can be approximated as an H-shaped steel structure (inclined H-shaped steel). Two support members 1 are provided, and the inclined frame 102 is inclined toward between the two support members 1. The beam frame 2 is fixedly installed between the two support members 1. The beam frame 2 is an I-beam structure. The walking wheels 3 are fixedly installed at the bottom of the support member 1. The number of walking wheels 3 is the same as that of the support member 1, both of which are two.
[0039] In one embodiment, a folding plate member 104 is fixedly mounted on the top end of the inclined frame 102 , and the folding plate member 104 has a horizontal section close to the inner side and an inclined section close to the outer side.
[0040] In one embodiment, a bottom cross plate 103 is fixedly connected to the bottom end of the vertical frame 101 for connecting the running wheels 3 .
[0041] Specifically, the traveling wheel 3 includes: a side frame plate 301 , a support frame plate 303 , and a wheel body 306 .
[0042] There are two side frame plates 301, and an end plate 302 is fixedly connected between the two ends of the two side frame plates 301. The top of the support frame plate 303 is fixedly connected to the bottom end of the bottom cross plate 103. The support frame plate 303 is fixedly installed on the outer side of the side frame plate 301 through the first cross axis 304, and the wheel body 306 is rotatably installed between the two side frame plates 301.
[0043] The wheel body 306 cooperates with the track in the tunnel so that it can move along the track. The installation structure formed by the support frame plate 303 and the first horizontal axis 304 can make the structural bearing capacity stronger.
[0044] In one embodiment, a rectangular frame is formed between the two side frame plates 301 and the two end plates 302 to form a stable frame structure.
[0045] In one embodiment, a positioning ball 305 corresponding to the outer track groove of the wheel body 306 is fixedly connected to the outer side of the first horizontal axis 304. The positioning ball 305 is annular and corresponds to the outer track groove of the wheel body 306 to prevent the wheel body 306 from deviating.
[0046] In one embodiment, the wheel body 306 includes: an outer wheel 3061 and a mounting shaft 3063 .
[0047] A core shaft 3062 is rotatably installed in the center hole of the outer wheel 3061, a first notch 3064 is provided on the side of the mounting shaft 3063, the center hole of the core shaft 3062 cooperates with the mounting shaft 3063, a second notch 3065 is provided at the end of the mounting shaft 3063, and a baffle plate 307 is fixedly connected to the outer side of the side frame plate 301, and the baffle plate 307 corresponds to the second notch 3065.
[0048] The baffle 307 is stuck in the second notch 3065 to limit the axial sliding of the installation shaft 3063. The installation shaft 3063 and the core shaft 3062 cannot rotate relative to each other, but the outer wheel 3061 and the core shaft 3062 can rotate relative to each other.
[0049] Those skilled in the art will readily come up with other embodiments of the present invention after considering the specification and practicing the disclosure of the present invention. This application is intended to cover any variations, uses or adaptations of the present invention, which follow the general principles of the present invention and include common knowledge or customary technical means in the art that are not disclosed in the present invention. The specification and examples are to be considered as exemplary only, and the true scope and spirit of the present invention are indicated by the following claims.
[0050] It should be understood that relational terms such as "first" and "second" are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. The utility model is not limited to the precise structure described above and shown in the accompanying drawings, and various modifications and changes can be made without departing from the scope thereof. The scope of the utility model is limited only by the appended claims.
Claims
1. A step-by-step outer bottom dragging tool for inclined well TBM, characterized in that: include: A support member (1), wherein the support member (1) comprises, from top to bottom, an oblique frame (102) and a vertical frame (101); A beam frame (2), wherein two support members (1) are provided, the inclined frame (102) is inclined toward between the two support members (1), and the beam frame (2) is fixedly installed between the two support members (1); A running wheel (3), wherein the running wheel (3) is fixedly mounted on the bottom of the support member (1).
2. The outer bottom dragging tooling for TBM stepping in inclined well according to claim 1 is characterized by: A folding plate member (104) is fixedly mounted on the top end of the inclined frame (102).
3. The outer bottom dragging tooling for TBM stepping in inclined well according to claim 1 is characterized by: The bottom end of the vertical frame (101) is fixedly connected with a bottom horizontal plate (103); The running wheel (3) comprises: Side frame plates (301), wherein two side frame plates (301) are provided, and an end plate (302) is fixedly connected between the two ends of the two side frame plates (301); A support frame plate (303), wherein the top end of the support frame plate (303) is fixedly connected to the bottom end of the bottom horizontal plate (103), and the support frame plate (303) is fixedly mounted on the outer side of the side frame plate (301) via a first horizontal axis (304); A wheel body (306) is rotatably mounted between two side frame plates (301).
4. The outer bottom dragging tooling for TBM stepping in inclined well according to claim 3 is characterized by: A rectangular frame is formed between the two side frame plates (301) and the two end plates (302).
5. The outer bottom dragging tooling for TBM stepping in inclined well according to claim 3 is characterized by: A positioning ball (305) corresponding to the outer track groove of the wheel body (306) is fixedly connected to the outer side of the first transverse axis (304), and the positioning ball (305) is annular.
6. The outer bottom dragging tooling for inclined well TBM stepping according to claim 3 is characterized in that: The wheel body (306) comprises: An outer wheel (3061), wherein a core shaft (3062) is rotatably mounted in a central hole of the outer wheel (3061); A mounting shaft (3063), wherein a first notch (3064) is provided on a side surface of the mounting shaft (3063), and a central hole of the core shaft (3062) cooperates with the mounting shaft (3063); A second notch (3065) is provided at the end of the installation shaft (3063), and a baffle (307) is fixedly connected to the outer side of the side frame plate (301), and the baffle (307) corresponds to the second notch (3065).
