Fastening adjustable fixing device for large-gradient TBM inverted arch block track
By designing a fastening and adjustable fixing device, the pre-embedded track spikes were eliminated, achieving simple and efficient fixing of the TBM arch block track, adapting to different working conditions, and improving construction quality and efficiency.
Patent Information
- Application Number
- CN202422865902.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-25
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-11-25
AI Technical Summary
The existing method of fixing the TBM invert block track requires pre-embedded track spikes, which results in complex processes, high precision requirements, and lack of versatility, failing to meet the needs of different working conditions.
An adjustable fastening device consisting of a first component and a second component is adopted. The lateral length is adjusted by adjusting the position of the second component within the first component and fixed with bolts. The pre-embedded track spikes are eliminated, and the device is directly installed in the rail groove of the inverted arch block.
It simplifies the construction process, improves construction quality and efficiency, adapts to different working conditions, and achieves stable fixing of the rails.
Smart Images
Figure CN223522913U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of track fixing device especially a big gradient TBM inverted arch block track's fastening adjustable type fixing device. BACKGROUND
[0002] In recent years, with the wide application of TBM in domestic tunnel construction, the prefabricated inverted arch block is the main component of TBM stepping and tunneling, and the structure of inverted arch block is also various due to the restriction of factors such as tunnel diameter, TBM type, tunnel surrounding rock grade, etc. At present, although the structure of inverted arch block is various, the laying of TBM running track is mainly to fix the steel rail by pre-burying spikes on the inverted arch block. This method needs to pre-bury a large number of spikes in advance, which not only has complex process, low efficiency, high precision requirement, but also has poor economy. In addition, although some fixing devices can fix the steel rail, different specifications of fixing devices need to be selected according to different working conditions, which has no universality.
[0003] Therefore, a big gradient TBM inverted arch block track's fastening adjustable type fixing device which can solve the above problems is needed. SUMMARY
[0004] The utility model discloses a kind of big gradient TBM inverted arch block track's fastening adjustable type fixing device, the fastening adjustable type fixing device is composed of first component and second component, second component one side is installed in first component, other side is equipped with the curved surface that the side shape of the base of steel rail is matched, by adjusting the position of second component in first component, the adjustment of fastening adjustable type fixing device transverse length can be realized, and second component is fixed by bolt, the fixation of steel rail on inverted arch block is realized.
[0005] The utility model discloses a kind of big gradient TBM inverted arch block track's fastening adjustable type fixing device, the fastening adjustable type fixing device is composed of first component and second component, second component one side is installed in first component, other side is equipped with the curved surface that the side shape of the base of steel rail is matched, by adjusting the position of second component in first component, the adjustment of fastening adjustable type fixing device transverse length can be realized, and second component is fixed by bolt, the fixation of steel rail on inverted arch block is realized.
[0006] A kind of big gradient TBM inverted arch block track's fastening adjustable type fixing device, the fastening adjustable type fixing device is installed in the track receiving groove of inverted arch block and is respectively arranged at the two sides of steel rail in the track receiving groove, and the fastening adjustable type fixing device includes first component and second component, the first component is the box type structure of one side opening, second component one side is installed in the first component, other side is equipped with the curved surface that the side shape of the base of steel rail is matched, the top surface, front and back of the first component are all set with bolt hole, the fixation of second component is realized by bolt passing through the bolt hole.
[0007] The top surface, front and back of the first component are all set with guide slot, and the second component is provided with guide column matched with the guide slot.
[0008] The guide groove is transversely arranged and extends from one side of the opening of the first assembly towards the direction away from the steel rail.
[0009] The top surface, the front surface and the rear surface of the first assembly are each provided with a group of bolt holes, and each group of bolt holes comprises two bolt holes.
[0010] The utility model has the advantages of:
[0011] (1) The embedded dowels are cancelled, the construction process is simpler, the construction quality is easier to guarantee, and the production efficiency of inverted arch blocks and the laying efficiency of the track for the TBM supporting trolley are greatly improved;
[0012] (2) The horizontal length of the fastening adjustable fixing device can be adjusted by adjusting the position of the second assembly in the first assembly, and the second assembly is fixed by bolts, thereby achieving the fixation of the steel rail on the inverted arch block. BRIEF DESCRIPTION OF DRAWINGS
[0013] Fig. 1 It is an installation schematic view of the fastening adjustable fixing device of the utility model;
[0014] Fig. 2 It is an elevation view of the fastening adjustable fixing device of the utility model;
[0015] Fig. 3 It is a plan view of the fastening adjustable fixing device of the utility model. DETAILED DESCRIPTION
[0016] The features and other related features of the utility model will be further described in detail in combination with the drawings by embodiments so as to facilitate the understanding of the same industry technical personnel:
[0017] As shown in the drawings, the marks in the drawings respectively represent: Figs. 1-3
[0018] Inverted arch block 1, rail supporting groove 2, steel rail 3, first assembly 4, second assembly 5, bolt hole 6, guide groove 7, guide column 8.
[0019] Embodiment: As shown in the drawings, Figs. 1-3 As shown, the embodiment relates to a fastening adjustable fixing device of a large slope TBM inverted arch block track, which is installed in a rail receiving groove 2 of an inverted arch block 1 and is arranged at both sides of a steel rail 3 in the rail receiving groove 2 respectively, and mainly comprises a first assembly 4 and a second assembly 5, the first assembly 4 is a box-shaped structure with one side opening, the second assembly 5 is installed in the first assembly 4 at one side and is provided with a curved surface matched with the side shape of the base of the steel rail 3 at the other side, the curved surface of the second assembly 5 is used for pressing the base of the steel rail 3, and the transverse length of the fastening adjustable fixing device can be adjusted by adjusting the position of the second assembly 5 in the first assembly 4. The top surface, the front surface and the rear surface of the first assembly 4 are all provided with bolt holes 6, and the second assembly 5 is fixed by bolts passing through the bolt holes 6. In the embodiment, the top surface, the front surface and the rear surface of the first assembly 4 are all provided with a group of bolt holes 6, and each group of bolt holes 6 comprises two bolt holes 6, and the two bolt holes 6 of each group of bolt holes 6 are oppositely arranged.
[0020] As shown in the figure, Figs. 1-3 The middle part of the top surface, the front surface and the rear surface of the first assembly 4 is provided with a guide groove 7, the guide groove 7 is horizontally arranged, the guide groove 7 extends from the opening side of the first assembly 4 and extends away from the steel rail 3, the second assembly 5 is provided with a guide column 8 matched with the guide groove 7, the guide column 8 is installed in the guide groove 7 and moves along the extension direction of the guide groove 7, and the cooperation of the guide column 8 and the guide groove 7 can guide the movement of the second assembly 5. The two bolt holes 6 of each group of bolt holes 6 are respectively located at the two sides of the corresponding guide groove 7.
[0021] The beneficial technical effects of the embodiment are as follows:
[0022] (1) The pre-buried dowels are cancelled, the construction process is simpler, the construction quality is easier to guarantee, and whether the production efficiency of the inverted arch block or the laying efficiency of the TBM supporting trolley running track is greatly improved;
[0023] (2) The transverse length of the fastening adjustable fixing device can be adjusted by adjusting the position of the second assembly in the first assembly, and the second assembly is fixed by bolts, so that the steel rail on the inverted arch block is fixed.
[0024] Although the above embodiment has been described in detail with reference to the accompanying drawings, those skilled in the art can realize that various improvements and changes can be made to the utility model without departing from the scope defined by the claims, and therefore, detailed description is not given here.
Claims
1. A fastening and adjustable fixing device for a TBM inverted arch block track with a large gradient, characterized in that: The fastening adjustable fixing device is installed in the rail bearing groove of the inverted arch block and is respectively arranged on both sides of the steel rail in the rail bearing groove, the fastening adjustable fixing device comprises a first component and a second component, the first component is a box-shaped structure with one side opening, the second component is installed in the first component on one side and is provided with a curved surface on the other side, the curved surface is matched with the side shape of the base of the steel rail, the top surface, the front surface and the rear surface of the first component are all provided with bolt holes, the second component is fixed by bolts passing through the bolt holes.
2. A fastening adjustable fixing device for a large-gradient TBM inverted-arch block track according to claim 1, characterized in that: The top surface, the front surface and the rear surface of the first component are all provided with guide grooves, and the second component is provided with guide columns matched with the guide grooves.
3. A fastening adjustable fixing device for a steep grade TBM inverted arch block track as claimed in claim 2, characterized in that: The guide grooves are transversely arranged, the guide grooves extend from the side of the first component opening and away from the steel rail, and the top surface, the front surface and the rear surface of the first component are all provided with one guide groove in the middle part.
4. A fastening adjustable fixing device for a large-gradient TBM inverted-arch block track according to claim 3, characterized in that: The top surface, the front surface and the rear surface of the first component are all provided with a group of bolt holes, each group of bolt holes comprises two bolt holes, and the two bolt holes of each group of bolt holes are respectively located on both sides of the corresponding guide groove.