CN215856983U - Foam board positioning device for ballastless track structural joint construction - Google Patents
Foam board positioning device for ballastless track structural joint construction Download PDFInfo
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- CN215856983U CN215856983U CN202120926481.4U CN202120926481U CN215856983U CN 215856983 U CN215856983 U CN 215856983U CN 202120926481 U CN202120926481 U CN 202120926481U CN 215856983 U CN215856983 U CN 215856983U
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- foam board
- clamping
- sleepers
- positioning device
- foam
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Abstract
A foam board positioning device for ballastless track structural joint construction defines the extending direction of a track as longitudinal direction and the extending direction of sleepers as transverse direction, the positioning device vertically clamps a foam board and enables a foam template to be positioned along the transverse direction, and the foam board is parallel to the sleepers on two sides of the foam board and has equal distance; the positioning device comprises a longitudinally arranged square steel pipe, two ends of the square steel pipe are in threaded connection with clamping bolts buckled on the side walls of sleepers on two sides of the foam board, and vertically arranged supporting blocks are symmetrically and fixedly connected to the middle of the bottom surface of the middle part of the square steel pipe in a crossing manner; the supporting blocks are matched and clamped with clamping beams with openings arranged downwards and extending along the transverse direction, and foam boards are fixedly inserted into the openings at the bottoms of the clamping beams. This cystosepiment positioner can be with cystosepiment accurate positioning between two sleepers to guarantee that cystosepiment and the sleeper interval of both sides are the same and parallel, and simple structure, low cost easily processes, and the efficiency of construction is high.
Description
Technical Field
The utility model relates to the technical field of railway construction, in particular to a foam board positioning device for ballastless track structural joint construction.
Background
The high-speed railway roadbed section is generally a double-block ballastless track continuous track bed plate structure, and the structure can cause the problems that the temperature stress of an overlong concrete continuous structure is overlarge, temperature cracks are difficult to control, and the durability of a track bed plate is influenced. And under the environment of large temperature difference, the concrete crack is easier to exceed the specified limit value. The unit type track bed plate structure in the prior art can well release the temperature and the force of the track bed plate, prevent the track bed plate from cracking and ensure the durability of concrete, but the gap treatment after the unit track bed plate is spliced becomes the main problem of the performance exertion of the unit type track bed plate.
In actual construction, expansion joints need to be reserved at the gap between the track bed boards, so that the problems are solved, local concrete pouring is usually needed at two ends of the track bed boards when the expansion joints are too large, and the expansion joints cannot be filled in the pouring process, so that the process is designed to be eight-door in the actual operation process, but the requirements on the length and width of the expansion joints, the distance between two sides of the expansion joints and the sleeper and the parallelism between the expansion joints and the sleeper cannot be met.
Through published patent searches, the following comparison documents were found:
CN 210797108U-discloses a caulking plate for a unit type ballastless track slab joint, which is suitable for filling and sealing a slab joint of a unit type ballastless track slab or a base slab, has a multilayer slab structure, is a polyethylene foam board in the middle, is a grooved board on two sides, and has strip-shaped grooves on the surface; the area of the notching plate is larger than that of the polyethylene foam plate, a groove is formed at the edge of the caulking plate, and caulking materials are filled in the groove. The utility model is convenient for site construction, can greatly reduce the workload of seam forming and filling and sealing of the site slab seams, and can greatly improve the quality of filling and sealing of the slab seams of the ballastless track.
Through analysis, the caulking plate in the above-mentioned patent has great difference with this application in both structure and function, therefore does not influence the novelty of this application.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provides the foam board positioning device for the ballastless track structural joint construction, which can accurately position the foam board between two sleepers, ensures that the foam board and the sleepers on two sides of the foam board have the same and parallel distance, and has the advantages of simple structure, low cost, easy processing and high construction efficiency.
The purpose of the utility model is realized by the following technical scheme:
a foam board positioning device for ballastless track structural joint construction defines the extending direction of a track as longitudinal direction and the extending direction of sleepers as transverse direction, the positioning device vertically clamps a foam board and enables a foam template to be positioned along the transverse direction, and the foam board is parallel to the sleepers on two sides of the foam board and has equal distance; the positioning device comprises a longitudinally arranged square steel pipe, two ends of the square steel pipe are in threaded connection with clamping bolts buckled on the side walls of sleepers on two sides of the foam board, and vertically arranged supporting blocks are symmetrically and fixedly connected to the middle of the bottom surface of the middle part of the square steel pipe in a crossing manner; the supporting blocks are matched and clamped with clamping beams with openings arranged downwards and extending along the transverse direction, and foam boards are fixedly inserted into the openings at the bottoms of the clamping beams.
Moreover, fastening nuts are coaxially welded at both ends of the square steel pipe, and clamping bolts arranged oppositely are in threaded connection in the two fastening nuts; the nut of the clamping bolt is radially welded with fixing rods, and the two fixing rods are respectively clamped and supported on the side walls of sleepers on two sides of the foam board.
The cross section of the clamping beam is in a U shape with a downward opening, a square rod clamped and fixed by a supporting block is fixedly arranged at the top of the clamping beam, and clamping wing plates extending vertically are fixedly connected to two sides of the square rod; the foam plates are clamped between the clamping wing plates in a matching way.
The utility model has the advantages and technical effects that:
according to the foam board positioning device for ballastless track structural joint construction, the square steel pipe is used for providing positioning support with fixed elevation, the fastening nuts, the clamping bolts and the fixed rods at the two ends of the square steel pipe are matched with and used for clamping the side walls of sleepers at the two sides of the foam board, and the axial connecting positions of the clamping bolts at the two ends of the square steel pipe are adjusted, so that fine adjustment of the distance between the foam board and the sleepers at the two sides of the foam board is realized; and finally, clamping and fixing the clamping beam through the supporting block, and clamping and positioning the foam board by the clamping beam, so that the foam board is always kept parallel to the sleepers and is equal to the distance between the sleepers on two sides of the foam board in the positioning and concrete pouring processes.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a side view of the present invention;
in the figure: 1-sleeper; 2-square steel tube; 3-a support block; 4-square bar; 5-clamping wing plates; 6-foam board; 7-fastening a nut; 8-a clamping bolt; 9-fixing the rod; 10-clamping the beam.
Detailed Description
For a further understanding of the contents, features and effects of the present invention, reference will now be made to the following examples, which are to be considered in conjunction with the accompanying drawings. It should be noted that the present embodiment is illustrative, not restrictive, and the scope of the utility model should not be limited thereby.
A foam board positioning device for ballastless track structural joint construction defines the extending direction of a track as longitudinal direction and the extending direction of a sleeper 1 as transverse direction, the positioning device vertically clamps a foam board 6 and enables a foam template to be positioned along the transverse direction, and the foam board is parallel to the sleepers on two sides of the foam board and has equal distance; the positioning device comprises a square steel pipe 2 which is longitudinally arranged, two ends of the square steel pipe are in threaded connection with clamping bolts 8 which are buckled on the side walls of sleepers on two sides of the foam board, and the bottom surface of the middle part of the square steel pipe is symmetrically and fixedly connected with supporting blocks 3 which are vertically arranged in a crossing manner; a clamping beam 10 with an opening arranged downwards and extending along the transverse direction is clamped between the supporting blocks in a matching manner, and a foam board is fixedly inserted at the bottom opening of the clamping beam.
Moreover, the two ends of the square steel pipe are coaxially welded with fastening nuts 7, and clamping bolts which are oppositely arranged are in threaded connection in the two fastening nuts; the nuts of the clamping bolts are radially welded with fixing rods 9, and the two fixing rods are respectively clamped and supported on the side walls of sleepers on the two sides of the foam board.
The cross section of the clamping beam is in a U shape with a downward opening, a square rod 4 clamped and fixed by a supporting block is fixedly arranged at the top of the clamping beam, and clamping wing plates 5 extending vertically are fixedly connected to two sides of the square rod; the foam plates are clamped between the clamping wing plates in a matching way.
In order to more clearly describe the specific embodiments of the present invention, an example is provided below:
the foam board positioning device for ballastless track structural joint construction adopts 2 x 2cm square steel to manufacture square steel pipes, and the truncation length of the square steel pipes is less than the distance between the back surfaces of two adjacent sleepers; the supporting block can be replaced by welding steel sheets in the middle of the square steel tube.
When the foam board is positioned, the foam board is firstly inserted into the clamping beam from bottom to top, and the combination body is reserved; then place the square steel pipe on the top surface of two adjacent sleepers, it is perpendicular to measure the extending direction who guarantees the square steel pipe and the extending direction of sleeper, then the manual work holds the dead lever simultaneously and screws the clamp bolt at square steel pipe both ends, measures the equidistant back of the middle part of guaranteeing the square steel pipe and the lateral wall of two sleepers, screws the clamp bolt, makes clamp bolt or the inseparable pressfitting of dead lever on the lateral wall dorsad of two adjacent sleepers. And finally, inserting the combination of the foam board and the clamping beam into the gap between the two supporting blocks from bottom to top, further finishing the clamping and fixing of the foam board, and sequentially dismantling the square steel pipe and the foam board after the concrete pouring is finished, so that the square steel pipe and the foam board are convenient to recycle.
Finally, the utility model preferably adopts mature products and mature technical means in the prior art.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the utility model as defined in the appended claims.
Claims (3)
1. The utility model provides a foam board positioner is used in construction of ballastless track structure seam, defines orbital extending direction and is vertical, and the extending direction of sleeper is horizontal, its characterized in that: the positioning device vertically clamps the foam board and transversely positions the foam board, so that the foam board is parallel to sleepers on two sides of the foam board and the distance between the foam board and the sleepers is equal; the positioning device comprises a longitudinally arranged square steel pipe, two ends of the square steel pipe are in threaded connection with clamping bolts buckled on the side walls of sleepers on two sides of the foam board, and vertically arranged supporting blocks are symmetrically and fixedly connected to the middle of the bottom surface of the middle part of the square steel pipe in a crossing manner; and a clamping beam with a downward opening and extending along the transverse direction is clamped between the supporting blocks in a matching manner, and a foam plate is fixedly inserted at the bottom opening of the clamping beam.
2. The foam board positioning device for ballastless track structural joint construction according to claim 1, characterized in that: fastening nuts are coaxially welded at two ends of the square steel pipe, and clamping bolts arranged oppositely are in threaded connection in the two fastening nuts; the nut of the clamping bolt is radially welded with fixing rods, and the two fixing rods are respectively clamped and supported on the side walls of sleepers on two sides of the foam board.
3. The foam board positioning device for ballastless track structural joint construction according to claim 1, characterized in that: the cross section of the clamping beam is in a U shape with a downward opening, a square rod clamped and fixed by a supporting block is fixedly arranged at the top of the clamping beam, and clamping wing plates extending vertically are fixedly connected to two sides of the square rod; and foam plates are matched and clamped between the clamping wing plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120926481.4U CN215856983U (en) | 2021-04-30 | 2021-04-30 | Foam board positioning device for ballastless track structural joint construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120926481.4U CN215856983U (en) | 2021-04-30 | 2021-04-30 | Foam board positioning device for ballastless track structural joint construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215856983U true CN215856983U (en) | 2022-02-18 |
Family
ID=80315689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120926481.4U Expired - Fee Related CN215856983U (en) | 2021-04-30 | 2021-04-30 | Foam board positioning device for ballastless track structural joint construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215856983U (en) |
-
2021
- 2021-04-30 CN CN202120926481.4U patent/CN215856983U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220218 |