Adjustable support of subway monolithic track bed ditch formwork
By designing an adjustable bracket for the subway integral roadbed ditch formwork, the problems of high formwork bracket cost and long construction period caused by different roadbed sizes were solved, and the simultaneous pouring of the ditch and roadbed and economical construction were achieved.
Patent Information
- Application Number
- CN202422958328.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-02
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-12-02
AI Technical Summary
During subway construction, due to the different sizes and structural forms of the roadbed, it is necessary to process ditch formwork supports of different sizes, which leads to increased costs, extended construction time and quality problems.
An adjustable bracket for subway integral roadbed ditch formwork is designed. The bracket uses components such as beams, rail clamps and sliding seats to achieve the adjustability and stability of the formwork, which is suitable for the installation of ditch formwork of different structural types and sizes.
The simultaneous pouring of the ditch and the roadbed was achieved, the number of formwork supports to be processed and purchased was reduced, the construction efficiency and economy were improved, and quality risks were reduced.
Smart Images
Figure CN223446024U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to railway engineering excavation support structure technical field, concretely relates to a subway integral track bed ditch formwork adjustable support. BACKGROUND
[0002] In the subway construction process, the station, interval, turnout ordinary ballastless track bed and special damping track bed are influenced by structure type and size, the ditch size is different from the track bed center during construction, and different size ditch formwork supports need to be processed during construction, which causes project cost increase, low economic benefit, and the structure form is limited during the construction of the special damping track bed ditch in the station section, the track bed and the ditch are constructed in steps, which is easy to cause large artificial consumption, long construction period and large deviation of ditch straightness and slope, so that the subway integral track bed ditch formwork adjustable support can timely and effectively find the problem. UTILITY MODEL CONTENTS
[0003] The utility model discloses in order to solve the problem that the track bed size and structure form are different, and a large number of different size formwork supports need to be purchased during the track bed ditch pouring.
[0004] The utility model provides a subway integral track bed ditch formwork adjustable support, including crossbeam, be provided with the rail clamp on the crossbeam, the rail clamp is clamped on the rail and makes the crossbeam cantilevered to the ditch with the rail as the support, be connected with the sliding seat of the length direction sliding of the crossbeam and can be fixed at target position, the top of sliding seat is provided with formwork fixed clamping groove, be connected with the ditch formwork pressure bar on the sliding seat.
[0005] Further, the sliding seat is a U-shaped movable distance adjusting plate, the U-shaped movable distance adjusting plate is clamped on the crossbeam through a U-shaped groove, a sliding groove parallel to the length direction of the crossbeam is formed on the crossbeam, and a distance adjusting plate fixing screw on the U-shaped movable distance adjusting plate is installed in the sliding groove.
[0006] Further, the U-shaped movable distance adjusting plate is fixed with a nut, the ditch formwork pressure bar is a long screw rod, and the long screw rod is screwed with the nut through the opening on the U-shaped movable distance adjusting plate and the sliding groove of the crossbeam.
[0007] Further, the rail clamp includes an L-shaped fixed pressing plate and an L-shaped movable pressing plate, the L-shaped fixed pressing plate is fixed on the top surface of the crossbeam, the L-shaped movable pressing plate is located on the top surface of the beam end of the crossbeam, a long hole is formed on the crossbeam, and the L-shaped movable pressing plate is connected with the crossbeam through the movable bolt in the long hole.
[0008] Further, the long screw rod is located on the two sides of the formwork fixed clamping groove, and the distance adjusting plate fixing screw is located on the two sides of the long screw rod.
[0009] Compared with the prior art, the utility model has the advantages that:
[0010] The adjustable support for the subway integral track bed ditch formwork can be used for ditch pouring of the integral track bed of a turnout, integral ditch pouring of a steel spring floating slab track bed of a subway station, can pour the ditch and the track bed synchronously in the construction process, reduces processing and purchase of tooling of different sizes, reduces quality diseases of step-by-step construction, and has certain rapidity and economy.
[0011] The support can be used for ditch pouring of the integral track bed of a turnout, integral ditch pouring of a steel spring floating slab track bed of a subway station, can pour the ditch and the track bed synchronously in the construction process, reduces processing and purchase of tooling of different sizes, reduces quality diseases of step-by-step construction, and has certain rapidity and economy. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 It is a sectional view of the adjustable support for the subway integral track bed ditch formwork.
[0013] Figure 2 It is a plan view of the adjustable support for the subway integral track bed ditch formwork.
[0014] In the figure: 1-L type fixed pressing plate; 2-L type movable pressing plate; 3-U type movable distance adjusting plate; 4-long screw rod; 5-distance adjusting plate fixing screw rod; 6-formwork fixing clamping groove; 7-cross beam; 8-sliding groove; 9-movable bolt. DETAILED DESCRIPTION
[0015] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creative labor.
[0016] As shown in Figure 1 , Figure 2 A kind of adjustable support for subway integral track bed ditch formwork, including cross beam 7, cross beam 7 is provided with rail clamp, rail clamp is clamped on rail so that cross beam 7 is supported by rail and cantilevered to ditch, cross beam 7 is connected with the sliding seat that can slide along its length direction and can be fixed at target position, the top of sliding seat is provided with formwork fixed clamping groove 6, and sliding seat is connected with ditch formwork pressing rod.
[0017] The sliding seat is a U-shaped movable distance adjusting plate 3, which is clamped on the cross beam 7 through a U-shaped groove, the cross beam 7 is provided with a sliding groove 8 parallel to the length direction of the cross beam 7, the sliding groove 8 is arranged in the middle of the top surface of the cross beam 7, the distance adjusting plate fixing screw 5 on the U-shaped movable distance adjusting plate 3 is arranged in the sliding groove 8, the U-shaped movable distance adjusting plate 3 can be freely moved in the range of the sliding groove 8 after the nut on the distance adjusting plate fixing screw 5 is loosened, the position of the U-shaped movable distance adjusting plate 3 is fixed after the nut on the distance adjusting plate fixing screw 5 is tightened, the fixed position of the U-shaped movable distance adjusting plate 3 is adjusted according to the actual structure size on site, and the adjustability of the water ditch formwork support is achieved.
[0018] The U-shaped movable distance adjusting plate 3 is fixed with a nut, the water ditch formwork pressing rod is a long screw rod 4, the long screw rod 4 is threadedly combined with the nut and penetrates through the opening on the U-shaped movable distance adjusting plate 3 and the sliding groove 8 of the cross beam 7. The cross beam of the water ditch formwork is arranged in the formwork fixed clamping groove 6, the long screw rod 4 is tightened to reinforce the water ditch formwork and prevent the formwork from floating up.
[0019] The rail clamp comprises an L-shaped fixed pressing plate 1 and an L-shaped movable pressing plate 2, the L-shaped fixed pressing plate 1 is fixed on the top surface of the cross beam 7, the L-shaped movable pressing plate 2 is arranged on the top surface of the beam end of the cross beam 7, the cross beam 7 is provided with a long hole, and the L-shaped movable pressing plate 2 is connected with the cross beam 7 through the movable bolt 9 in the long hole. The L-shaped movable pressing plate 2 is first disassembled, the cross beam 7 penetrates through the rail bottom to make the L-shaped fixed pressing plate 1 clamped on one side of the rail, then the L-shaped movable pressing plate 2 is installed, the L-shaped movable pressing plate 2 is clamped on the other side of the rail, the cross beam 7 is fixed on the rail through the L-shaped fixed pressing plate 1 and the L-shaped movable pressing plate 2, and the movable bolt 9 on the L-shaped movable pressing plate 2 is tightened to firmly fix the cross beam 7 and the rail, so that the cross beam 7 is prevented from deviating.
[0020] The long screw rod 4 is arranged on both sides of the formwork fixed clamping groove 6, the distance adjusting plate fixing screw 5 is arranged on both sides of the long screw rod 4, and the water ditch formwork is more balanced in stress.
[0021] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. An adjustable bracket for a subway trackbed ditch template, characterized by: The invention comprises a crossbeam (7), a rail clamp is provided on the crossbeam (7), the rail clamp is clamped on the rail so that the crossbeam (7) is cantilevered toward the ditch with the rail as support, a sliding seat is connected to the crossbeam (7) and can slide along its length direction and can be fixed at a target position, a template fixing slot (6) is provided on the top of the sliding seat, and a ditch template pressure rod is connected to the sliding seat.
2. The adjustable bracket for a subway trackbed ditch template according to claim 1, characterized in that: The sliding seat is a U-shaped movable distance adjusting plate (3), which is slidably clamped on the crossbeam (7) through a U-shaped groove. The crossbeam (7) is provided with a sliding groove (8) parallel to its length direction, and the distance adjusting plate fixing screw (5) on the U-shaped movable distance adjusting plate (3) is installed in the sliding groove (8).
3. The adjustable bracket for a subway trackbed ditch template according to claim 2, characterized in that: A nut is fixed on the U-shaped movable distance adjusting plate (3), and the ditch template pressure rod is a long screw (4). The long screw (4) is screwed with the nut thread and passes through the opening on the U-shaped movable distance adjusting plate (3) and the sliding groove (8) of the beam (7).
4. The adjustable bracket for a subway trackbed ditch template according to any one of claims 1 to 3, characterized in that: The rail clamp comprises an L-shaped fixed pressure plate (1) and an L-shaped movable pressure plate (2), wherein the L-shaped fixed pressure plate (1) is fixed on the top surface of the crossbeam (7), and the L-shaped movable pressure plate (2) is located on the top surface of the beam end of the crossbeam (7). A long hole is opened on the crossbeam (7), and the L-shaped movable pressure plate (2) is connected to the crossbeam (7) through a movable bolt (9) in the long hole.
5. The adjustable bracket for a subway trackbed ditch template according to claim 3 is characterized by: The long screw rod (4) is located on both sides of the template fixing slot (6), and the spacing plate fixing screw rod (5) is located on both sides of the long screw rod (4).