CN219033457U - Ditch template connection structure suitable for urban rail transit - Google Patents
Ditch template connection structure suitable for urban rail transit Download PDFInfo
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- CN219033457U CN219033457U CN202222803796.7U CN202222803796U CN219033457U CN 219033457 U CN219033457 U CN 219033457U CN 202222803796 U CN202222803796 U CN 202222803796U CN 219033457 U CN219033457 U CN 219033457U
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- bracket
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- 241001669679 Eleotris Species 0.000 claims abstract description 14
- 238000009415 formwork Methods 0.000 claims description 21
- 238000011065 in-situ storage Methods 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000005266 casting Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- PMVSDNDAUGGCCE-TYYBGVCCSA-L Ferrous fumarate Chemical compound [Fe+2].[O-]C(=O)\C=C\C([O-])=O PMVSDNDAUGGCCE-TYYBGVCCSA-L 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a ditch template connecting structure suitable for urban rail transit, which comprises a track bed and ditch templates positioned at two sides of the track bed, wherein the track bed is formed by connecting a plurality of precast slabs, the ditch templates are formed by connecting a plurality of supporting templates, the supporting templates are provided with beams which are connected with the supporting templates into a whole, and at least one connecting bracket is arranged between the precast slabs and the supporting templates. According to the utility model, one end of the connecting support is fixed on the sleeper through the T-shaped bolt, the other end of the connecting support is fixed with the ditch template through the screw rod, the height of the ditch template is controlled, the ditch template is prevented from floating and shaking, meanwhile, the beam of the ditch template is placed in the clamping groove of the connecting support, the outward deflection of the ditch template is effectively controlled, the stability degree of the ditch template when the height is adjusted is improved, the requirement of the ditch template and the precast slab for adjusting together is met, and the operation of adjusting the height by adopting precast slab in-situ pouring is simplified.
Description
Technical Field
The utility model relates to the technical field of urban rail facilities, in particular to a ditch template connecting structure suitable for urban rail transit.
Background
Ditch templates are required to be installed in urban rail/traffic track engineering, and ballast beds in the existing urban rail/traffic track engineering are transported to the site by precast slabs for assembly, and then the ballast beds are cast in situ and then connected with steel rails. However, the installation height of the existing ditch template is fixed at the lower edge of a steel rail by adopting a template support, the ditch template is fixed on the steel rail at the bottom, the heights of the ditch template and the prefabricated plate can only be respectively adjusted, and in the process of casting a track bed on site, the height adjustment of the ditch template is inconvenient to operate, the mismatch of the heights of the ditch template and the prefabricated plate is easy to cause, the formed track precision is poor, the design requirement can be met by carrying out multiple adjustments, the operation is complicated, the existing ditch template connecting structure for the track bed of the prefabricated plate can not be applied, the requirement of adjusting the ditch template and the prefabricated plate together can not be met, and the operation of casting the prefabricated plate on site on the height adjustment can not be simplified.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, provide a ditch template connecting structure suitable for urban rail transit, can meet the requirement of adjusting ditch templates together with precast slabs, and simplify the height adjustment operation of precast slab in-situ pouring.
The aim of the utility model is realized by the following technical scheme: the utility model provides a ditch template connection structure suitable for urban rail transit, includes the railway roadbed and is located the ditch template of railway roadbed both sides, the railway roadbed form by a plurality of prefabricated plates connection, the ditch template form by a plurality of formwork connection, the formwork on be provided with the roof beam that the formwork is connected into an organic whole, the formwork both ends all be provided with the fixed plate, adjacent between the fixed plate of formwork through first fastening assembly, prefabricated plate and formwork between still be provided with at least one linking bridge, the linking bridge by support upper beam, support underbeam, connection the connecting plate of support upper beam and support underbeam constitute, the prefabricated plate on be provided with a plurality of sleeper of parallel arrangement, the support upper beam is fixed through the second fastening assembly on the sleeper, the support underbeam pass through the third fastening assembly to be fixed on the formwork, the support underbeam on be provided with the draw-in groove that is used for restricting the roof beam.
The second fastening component adopts T-shaped bolts.
And the two ends of the beam are connected with the support templates to form a door beam structure, and the central line of the beam is parallel to the central line of the precast slab.
The two sides of the ballast bed are symmetrically arranged by connecting brackets for connecting the precast slabs and the supporting templates.
And a gap exists between the bracket lower beam and the bracket plate and is fixed through the third fastening component, and the third fastening component is fastened in a screw mode.
The connection parts of the upper support beam and the connecting plate and the connection parts of the lower support beam and the connecting plate are arranged in a right angle mode.
The support upper beam is perpendicular to the center line of the precast slab. The support underbeam is perpendicular to the central line of the formwork plate.
The integrally poured precast slab ballast bed is constructed by reverse paving, and the principle is that precast slabs are processed by factories and transported to the site for assembly, and the ballast bed is poured first and then the steel rail is connected. To prefabricated slab track bed, current ditch template can not be suitable for, and then this application changes the connected mode of template, adopts the linking bridge to fix on sleeper bolt hole, and the ditch template is connected to the opposite side, realizes ditch template installation. The prefabricated slab integral ballast bed structure is suitable for one-time pouring, and the installation ditch template is enabled to reach the target of the template elevation rapidly and met. The template support is fixed on the prefabricated slab sleeper through the T-shaped bolt, as the preference, one sleeper is installed at each interval, and the ditch template passes through the bolted connection linking bridge, makes ditch template and prefabricated slab form wholly, and the track panel is at the in-process of increaseing, and the ditch template adjusts together with the prefabricated slab, can control ditch template design elevation.
The beneficial effects of the utility model are as follows: (1) One end of the connecting support is fixed on the sleeper through a T-shaped bolt, the other end of the connecting support is fixed with the ditch template through a screw rod, the height of the ditch template is controlled, the ditch template is prevented from floating and shaking, meanwhile, the beam of the ditch template is placed in the clamping groove of the connecting support, the outward deflection of the ditch template is effectively controlled, and the stability of the ditch template in height adjustment is improved; (2) According to the water ditch template, the sleeper bolt holes and the T-shaped bolts (namely spikes) are fully utilized to fix the template support, so that the fasteners for fixing the water ditch template are saved, the cost is saved, the water ditch template is firm and smooth, the water ditch is easy and practical to assemble and disassemble, and the water ditch requirement of a precast slab track bed is met; (3) The ditch template mounting tool has a simple structure, raw materials for manufacturing the tool are steel bars, steel pipes and the like, so that the raw materials are easy to obtain, the price is low, and the manufacturing cost is reduced; (4) The ditch template and the prefabricated plate are connected into a whole, the mode that the existing ditch template is fixed at the bottom is replaced, the requirement that the ditch template and the prefabricated plate are adjusted together is met, and the operation of in-situ casting of the prefabricated plate for adjusting the height is simplified.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a partial schematic view of a side of the present utility model;
FIG. 3 is a schematic view of the installation of the connecting bracket of the present utility model;
fig. 4 is a schematic structural view of the connecting bracket of the present utility model.
In the figure, 1-ballast bed, 2-ditch formwork, 3-connecting bracket, 101-prefabricated plate, 102-sleeper, 201-supporting formwork, 202-beam, 203-fixing plate, 204-first fastening component, 301-bracket upper beam, 302-bracket lower beam, 303-connecting plate, 304-second fastening component, 305-third fastening component, 306-clamping groove.
Detailed Description
The technical solutions of the present utility model will be clearly and completely described below with reference to the embodiments, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by a person skilled in the art without any inventive effort, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.
As shown in fig. 1-4, a ditch template connecting structure suitable for urban rail transit comprises a track bed 1 and ditch templates 2 positioned on two sides of the track bed 1, wherein the track bed 1 is formed by connecting a plurality of precast slabs 101, the ditch templates 2 are formed by connecting a plurality of support templates 201, the support templates 201 are provided with beams 202 integrally connected with the support templates 201, two ends of each support template 201 are provided with fixing plates 203, the fixing plates 203 of adjacent support templates 201 are fixed through a first fastening assembly 204, at least one connecting bracket 3 is further arranged between each precast slab 101 and each support template 201, each connecting bracket 3 consists of a support upper beam 301, a support lower beam 302 and a connecting plate 303 connected with the support upper beam 301 and the support lower beam 302, the precast slabs 101 are provided with a plurality of sleepers 102 which are arranged in parallel, the support upper beam 301 is fixed on the sleeper 102 through a second fastening assembly 304 (embedded sleeves on the threaded ends 102 of the second fastening assembly 304), the support upper beam 301 is also provided with a groove 306 which can be embedded in the support upper beam 302 through a third support beam 302, and the groove 306 is required to be embedded in the support frame 302.
The second fastening assembly 304 is a T-bolt.
Both ends of the beam 202 are connected with the formwork 201 to form a door beam structure, and the center line of the beam 202 is parallel to the center line of the precast slab 101.
The two sides of the ballast bed 1 are symmetrically arranged with the connecting brackets 3 for connecting the precast slabs 101 and the supporting templates 201.
A gap exists between the bracket underbeam 302 and the formwork 201 and is fixed by the third fastening assembly 305, and the third fastening assembly 305 is fastened by a screw.
The connection parts of the bracket upper beam 301 and the connecting plate 303 and the connection parts of the bracket lower beam 302 and the connecting plate 303 are all arranged in a right angle mode.
The bracket upper beam 301 is arranged perpendicular to the center line of the prefabricated panel 101.
The bracket underbeam 302 is arranged perpendicular to the centerline of the formwork 201.
Preferably, the connecting bracket 3 is formed by an iron plate with the length of 1m, and is bent at an angle of 90 degrees at a position 0.3m away from the connecting template section, so that the bracket upper beam 301, the bracket lower beam 302 and the connecting plate 303 can be formed by bending one piece by one iron plate. The side of the connecting ditch template is fixed by 2 screws with the diameter of 14mm, the ditch template beam is placed in the clamping groove of the ditch template bracket, and the side of the connecting sleeper is connected and fixed by 2T-shaped bolts with the diameter of 46 mm. Since the support form 201 is provided with the beam 202, the support underbeam 302 passes through the door beam, and the beam is placed in the clamping groove 306 of the connecting support 3 (controlling the outward deflection of the ditch form), a certain distance exists between the support underbeam 302 and the support form 201, and the support underbeam 302 is fixed by a screw rod in the present application to adapt to the connection of the support underbeam 302 and the support form 201.
Preferably, the ditch template is formed by a long semicircular template with the length of 1.2m and the beams 202 forming the ditch template by welding, wherein the beams 202 are 0.8m long, 0.05 wide and 0.15m high, and the purpose of arranging the individual beams 202 is to fix the semicircular ditch template on the ditch template bracket.
The connecting support 3 is fixed on the sleeper 102 through T-shaped bolts, the other side of the connecting support 3 is fixedly connected with the supporting templates 201 through support fixing screws, each interval is 1.2m, one connecting support 3 is installed, the ditch templates are connected through U-shaped fasteners (third fastening components), so that the ditch is smooth, and after pouring is completed, the supporting templates 201 are pulled out through the lifting beams 202, so that the ditch can be formed. Compared with the prior art, the mounting process makes full use of the sleeper and the T-shaped bolt, saves accessories fixed on the steel rail, and therefore saves tooling cost. After the tool is used, the structural height of the prefabricated slab ballast bed ditch is met, the ditch smoothness and the firmness are well ensured, and the construction quality of the ballast bed is improved.
The foregoing is merely a preferred embodiment of the utility model, and it is to be understood that the utility model is not limited to the form disclosed herein but is not to be construed as excluding other embodiments, but is capable of numerous other combinations, modifications and environments and is capable of modifications within the scope of the inventive concept, either as taught or as a matter of routine skill or knowledge in the relevant art. And that modifications and variations which do not depart from the spirit and scope of the utility model are intended to be within the scope of the appended claims.
Claims (8)
1. The ditch template connecting structure suitable for urban rail transit comprises a track bed (1) and ditch templates (2) positioned at two sides of the track bed (1), and is characterized in that the track bed (1) is formed by connecting a plurality of precast slabs (101), the ditch templates (2) are formed by connecting a plurality of support templates (201), the support templates (201) are provided with beams (202) which are connected with the support templates (201) into a whole, two ends of each support template (201) are provided with fixing slabs (203), the fixing slabs (203) of the adjacent support templates (201) are fixed through a first fastening assembly (204), at least one connecting bracket (3) is further arranged between each precast slab (101) and each support template (201), each connecting bracket (3) is composed of a bracket upper beam (301), a bracket lower beam (302) and a connecting plate (303) which is connected with the bracket upper beam (301) and the bracket lower beam (302), a plurality of arranged support beams (102) are arranged on the precast slabs (101), the bracket upper beam (301) is fixed on a sleeper (201) through a third fastening assembly (305) through a sleeper (201), the bracket lower beam (302) is provided with a clamping groove (306) for limiting the beam (202).
2. The gutter formwork connecting structure for urban rail transit according to claim 1, wherein: the second fastening assembly (304) adopts T-shaped bolts.
3. The gutter formwork connecting structure for urban rail transit according to claim 1, wherein: both ends of the beam (202) are connected with the support templates (201) to form a door beam structure, and the center line of the beam (202) is parallel to the center line of the precast slab (101).
4. The gutter formwork connecting structure for urban rail transit according to claim 1, wherein: the two sides of the ballast bed (1) are symmetrically arranged with connecting brackets (3) for connecting the precast slab (101) and the supporting formwork (201).
5. The gutter formwork connecting structure for urban rail transit according to claim 1, wherein: and a gap exists between the bracket lower beam (302) and the support template (201) and is fixed through the third fastening assembly (305), and the third fastening assembly (305) is fastened in a screw mode.
6. The gutter formwork connecting structure for urban rail transit according to claim 1, wherein: the connection parts of the bracket upper beam (301) and the connecting plate (303) and the connection parts of the bracket lower beam (302) and the connecting plate (303) are arranged in a right angle mode.
7. The gutter formwork connecting structure for urban rail transit according to claim 1, wherein: the bracket upper beam (301) is arranged perpendicular to the central line of the precast slab (101).
8. The gutter formwork connecting structure for urban rail transit according to claim 1, wherein: the bracket underbeam (302) is arranged perpendicular to the center line of the supporting template (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222803796.7U CN219033457U (en) | 2022-10-24 | 2022-10-24 | Ditch template connection structure suitable for urban rail transit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222803796.7U CN219033457U (en) | 2022-10-24 | 2022-10-24 | Ditch template connection structure suitable for urban rail transit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219033457U true CN219033457U (en) | 2023-05-16 |
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ID=86276645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222803796.7U Active CN219033457U (en) | 2022-10-24 | 2022-10-24 | Ditch template connection structure suitable for urban rail transit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219033457U (en) |
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2022
- 2022-10-24 CN CN202222803796.7U patent/CN219033457U/en active Active
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