CN223793437U - Self-compacting concrete form under track slab - Google Patents

Abstract

The utility model relates to the technical field of track construction, in particular to a self-compacting concrete template under a track plate, which comprises side dies arranged on two longitudinal sides of a line, wherein the side dies are provided with plugboard grooves corresponding to lifting holes on the corresponding sides of the track plate, the plugboard grooves are upward in openings, two opposite sides of the plugboard grooves are provided with limiting structures, and the self-compacting concrete template also comprises plugboards for blocking the plugboard grooves, wherein the plugboards are in plug connection with the plugboard grooves, and are in clamping connection with the limiting structures on the two sides. According to the utility model, the inserting plate grooves are formed in the side dies of the templates corresponding to the lifting holes of the track plates, and the inserting plates with different heights are matched to adapt to self-compacting concrete pouring of sections with different heights, so that the effect that the same batch of templates can adapt to sections with different heights is achieved, the universality of the templates is improved, the material quantity of the self-compacting templates can be greatly saved, and the investment cost is reduced.

Description

Self-compacting concrete form under track slab

Technical Field

The utility model relates to the technical field of track construction, in particular to a self-compacting concrete template under a track plate.

Background

In the CRTSIII slab ballastless track structure, a self-compacting concrete layer is arranged between a track slab and a base and is used as an intermediate force transmission layer between the track slab and the base. In the existing self-compacting concrete construction process, a template is usually required to be highly customized according to the design position of the current construction section, limiting and edge sealing are carried out on the periphery of a self-compacting concrete filling layer through a fixed template, T-shaped mounting seats are fixedly mounted through bolts based on lifting holes on two sides of a track plate, the T-shaped mounting seats are in threaded connection with fine adjustment claws, the height position of the track plate is finely adjusted through rotating the fine adjustment claws, and after the fine adjustment of the track plate is finished, self-compacting concrete is poured to form the self-compacting concrete layer, so that the self-compacting concrete filling layer is tightly combined with the track base and the track plate. The self-compacting concrete can flow and self-compact under the action of self gravity, and vibration is not needed.

The traditional template technology generally adopts a fixed height design, is difficult to adapt to construction requirements of different ultrahigh sections, needs to customize templates of corresponding specifications according to road conditions of different heights, and has low template reuse rate and high investment cost. Therefore, development of a self-compacting concrete form that can adapt to different casting height values, realizing height-adjustable design, and improving the versatility of the form is needed.

Disclosure of utility model

The utility model aims to provide a self-compaction concrete template under a track slab, aiming at the problem that a general self-compaction concrete template in the prior art cannot be dynamically matched with the self-compaction concrete pouring working conditions of sections with different heights.

The utility model provides a self-compacting concrete template under a track plate, which comprises side dies arranged on two longitudinal sides of a line, wherein the side dies are provided with plugboard grooves corresponding to lifting holes on the corresponding sides of the track plate, the plugboard grooves are upward in opening, and two opposite sides of the plugboard grooves are provided with limiting structures;

The plug board is connected with the plug board groove in a plug-in connection mode, and the plug board is clamped with the limiting structures on two sides.

Preferably, the limit structure is arranged on one side of the side die, which is away from the track plate, and the limit structure protrudes transversely from the side die towards the side where the plugboard groove is located.

Preferably, the plugboard is provided with an L-shaped clamping piece which is in concave-convex fit with the limiting structure, the L-shaped clamping piece can form a groove with the outer surface of the plugboard, and the limiting structure is embedded and matched with the groove.

Preferably, the L-shaped clamping pieces are continuously arranged along the height direction of the plugboard.

Preferably, the number of the plugboards is provided with a plurality of plugboards, the plugboards are sequentially spliced in the plugboard grooves, and a joint can be formed between two adjacent plugboards.

Preferably, each of the plugboards is uniform in shape and is a rectangular plate.

Preferably, the size of the plurality of said plug boards is set to be uniform.

Preferably, the adjacent two plugboards are matched with each other in a concave-convex manner.

Preferably, a sealing layer is arranged between two adjacent plugboards.

Preferably, the self-compacting concrete form under the track slab further comprises two end molds arranged in parallel, and the end molds are transversely connected with the side molds at two sides.

Compared with the prior art, the utility model has the beneficial effects that:

The utility model provides a self-compacting concrete template under a track plate, which is characterized in that through arranging a plugboard groove at a position on a side template of the template, which corresponds to a lifting hole of the track plate, the self-compacting concrete template can adapt to self-compacting concrete pouring of different height sections by matching plugboards with different heights, thereby achieving the effect that the same template can adapt to construction of various height sections, improving the universality of the template, greatly saving the material quantity of the self-compacting template and reducing the investment cost.

Drawings

FIG. 1 is a schematic view of a self-compacting concrete form under a track slab of an embodiment;

FIG. 2 is a top view of FIG. 1;

Fig. 3 is an enlarged view of a portion a in fig. 2;

FIG. 4 is a plan view of a card;

FIG. 5 is a cross-sectional view of a interposer;

FIG. 6 is a schematic view of another concave-convex fit of the insert plate and the insert plate groove;

FIG. 7 is a schematic plan view of a self-compacting concrete form supported under a track slab;

Fig. 8 is a schematic diagram of the adjustment process when the self-compacting concrete form is applied to road sections of different heights.

The drawing comprises a 1-side die, a 11-plugboard groove, a 12-limiting structure, a 2-plugboard, a 21-L-shaped clamping piece, a 3-track plate, a 31-lifting hole, a 4-end die and a 5-angle die.

Detailed Description

The present utility model will be described in further detail with reference to specific examples. It should not be construed that the scope of the above subject matter of the present utility model is limited to the following embodiments, and all techniques realized based on the present utility model are within the scope of the present utility model.

Unless specifically stated otherwise, in the description of specific embodiments of the present utility model, terms of expression of orientation or positional relationship in which "up", "down", "left", "right", "center", "inside", "outside", etc. are indicated are all expressions based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the inventive products/apparatuses/devices are placed when they are conventionally used. These directional or positional terms are merely used to facilitate description of the aspects of the utility model or to simplify the description of the specific embodiments, so that a skilled artisan will readily understand the aspects, rather than to indicate or imply that a particular device/component/element must have a particular orientation or be constructed and operated in a particular positional relationship, and thus should not be construed as limiting the utility model.

Furthermore, the terms "horizontal," "vertical," "overhang," "parallel," and the like, if any, do not denote the requirement that the corresponding apparatus/component/element be absolutely horizontal or vertical or overhang or parallel, but may be slightly inclined or offset. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined. Or may be simply understood as a corresponding device/component/element, disposed in a "horizontal", "vertical", "overhanging", "parallel" or the like direction, capable of having an error/deviation within + 10%, more preferably within + 8%, more preferably within + 6%, more preferably within + 5%, more preferably within + 4% of the corresponding directional arrangement. As long as the corresponding device/component/element is within the error/deviation range, it is still possible to achieve its function in the solution according to the utility model.

Furthermore, the appearances of the terms such as "first," "second," "third," etc. are merely descriptive of distinguishing between similar or identical components and not necessarily for describing a particular part or for indicating or implying a relative importance.

Furthermore, in the description of the embodiments of the present utility model, "several", "a plurality" and "a number" represent at least 2. There may be any case of 2, 3, 4, 5, 6, 7, 8, 9, etc., and even more than 9.

Furthermore, in the description of the technical solutions of the present utility model, unless explicitly specified/limited/restricted otherwise, the occurrence of the terms "set", "install", "connect", "provided", "laid" and "arranged" shall be understood in a broad sense, for example, as a fixed connection, as a removable connection, as an integral connection, as a connection means commonly used in the art, such as welding, riveting, bolting, screwing, etc. The connection may be mechanical connection, electrical connection or communication connection, direct connection, indirect connection through an intermediate medium, or communication between two elements.

Examples

As shown in fig. 1-5, the self-compacting concrete form under the track slab (self-compacting form for short) comprises side forms 1 arranged on two longitudinal sides of a line, plugboard grooves 11 corresponding to the positions of corresponding side lifting holes 31 of the track slab 3 are formed in the side forms 1, the plugboard grooves 11 are upward in opening, the plugboard grooves 11 can be used for accommodating mounting structures (namely T-shaped mounting seats) of the track slab 3 and the fine adjustment claws, limiting structures 12 are arranged on two opposite sides of the plugboard grooves 11, plugboards 2 for blocking the plugboard grooves 11 are further included, the plugboards 2 are connected with the plugboard grooves 11 in a plugging mode, the plugboards 2 are clamped with the limiting structures 12 on two sides of the plugboard grooves 11, and the plugboards 2 are prevented from falling off under the action of concrete extrusion in the pouring process. The plugging of the plugging plate grooves 11 at different height positions is realized by changing the plugging plates 2 with different specifications and sizes or adjusting the number of the plugging plates 2, so that the self-compacting concrete pouring device is suitable for different pouring heights of self-compacting concrete.

In an alternative embodiment, the limiting structure 12 is arranged on one side of the side die 1, which is away from the track plate 3, the limiting structure 12 is arranged from the side die 1 towards the side where the plugboard groove 11 is located in a transversely protruding mode and used for limiting the plugboard outwards, so that the plugboards on the two transverse sides are prevented from being extruded and fallen by poured concrete slurry, and the limiting structure is arranged on the outer side of the side die, so that the self-compacting concrete layer is smooth and attractive in surface. The plugboard 2 is preferably provided with an L-shaped clamping piece 21 which is in concave-convex fit with the limiting structure 12, a groove is formed between the L-shaped clamping piece 21 and the outer surface of the plugboard 2, and the limiting structure 12 is embedded and matched at the groove, so that the plugboard 2 is stable in installation and difficult to fall off.

In an alternative embodiment, the L-shaped clips 21 may be arranged continuously in the height direction of the board 2. As another embodiment, a plurality of L-shaped clips 21 may be disposed at intervals along the height direction of the board 2, and the L-shaped clips 21 may be fixedly connected to the board 2 or may be rotatably connected to the board 2.

As other possible embodiments, the limiting structures 12 may be disposed on two side walls of the board slot 11, such as a groove or a protrusion, as shown in fig. 6, and protrusions or grooves slidably engaged with the limiting structures 12 are disposed on two lateral sides of the board 2, so as to keep the board 2 stable and detachable at the board slot 11, which is not limited to the above example.

In an alternative embodiment, a plurality of plugboards 2 are arranged, the plugboards 2 are sequentially spliced in the plugboard grooves 11, and a joint can be formed between two adjacent plugboards 2. The quantity of the inserting plates 2 is adjusted to adapt to different pouring heights of the self-compacting concrete layer. The joint between two adjacent plugboards 2 can be set to be linear or curved, such as arc, zigzag, wave, etc., and the tightness is good.

Preferably, in this embodiment, the shapes of the plugboards 2 are consistent, rectangular plates are adopted, and the joint between two adjacent plugboards 2 is in a straight line shape, so that the structure is simple, the manufacture is convenient, the universality is good, and the processing cost is reduced. The sizes of the plurality of plugboards 2 can be set to be uniform, and different sizes can be set. The thickness of the plugboard 2 is preferably consistent with that of the side mould 1, so that the self-compacting concrete layer which is convenient to pour is smooth in appearance.

In an alternative embodiment, the adjacent two plugboards 2 are in concave-convex fit, and the splicing surfaces of the plugboards 2 are tightly pressed through concave-convex surfaces, so that the concrete slurry is favorably slowed down. For example, the joint surface of the board 2 may be provided in an L-shaped step shape.

In an alternative embodiment, a sealing layer is arranged between two adjacent plugboards 2, so that the tightness between the two plugboards 2 is improved.

Further, as shown in fig. 7, the self-compacting concrete form under the track slab further comprises two end forms 4 arranged in parallel, and the end forms 4 are transversely connected with the side forms 1 at two sides.

In an optional embodiment, the self-compacting concrete form under the track slab further comprises an angle die 5 arranged at the corner, the angle die 5 is located between the end die 4 and the side die 1 and is in an L shape, the angle die 5 can be set into a round angle plate, the end die 4 is detachably connected with the side die 1 through the angle die 5, and the two end dies 4, the four angle dies 5 and the side dies 1 are enclosed to form a rectangle.

When the self-compaction template is used, the self-compaction template is installed on the track base, the plugging height of the plugboard 2 is adjusted according to the working condition of a construction road section and the thickness of the self-compaction concrete layer to be poured, the self-compaction template is seamlessly enclosed outside the track board 3, a cavity is formed between the track board 3 and the track base, the distance between the bottom surface of the track board 3 and the track base is the thickness h of the self-compaction concrete layer to be poured, the plugboard groove 11 on the side template 1 corresponds to the position of the lifting hole 31 on the track board 3, the track board 3 is fixed through a plurality of compaction locking devices and fine adjustment claws, and the self-compaction concrete is poured from the middle hole of the track board 3. According to the road conditions, when the thickness h of the self-compacting concrete layer to be poured is smaller than the height of the self-compacting template, the installation structure of the track plate 3 and the fine adjustment claw can sink by utilizing the gap space where the plugboard groove 11 is positioned, so that the self-compacting template is tightly attached to the outer side of the track plate 3, as shown in fig. 8.

According to the scheme, the inserting plate groove 11 is reserved at the template position of the lifting hole 31, the inserting plates 2 with different heights are matched to adapt to self-compaction concrete pouring of sections with different heights, the effect that the same batch of templates can adapt to construction of sections with different heights is achieved, the universality of the templates is high, the reuse rate of the templates in the same batch can be greatly improved, the material quantity of the self-compaction templates is saved, and the investment cost is reduced.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. The self-compacting concrete formwork under the track slab is characterized by comprising side dies (1) arranged on two longitudinal sides of a line, wherein each side die (1) is provided with a plugboard groove (11) corresponding to a corresponding side lifting hole (31) of the track slab (3), the plugboard groove (11) is upwards opened, and two opposite sides of each plugboard groove (11) are provided with limiting structures (12);

The plug board (2) is used for plugging the plug board groove (11), the plug board (2) is in plug connection with the plug board groove (11), and the plug board (2) is in clamping connection with the limiting structures (12) on two sides.

2. The self-compacting concrete form under the track slab according to claim 1, characterized in that the limit structure (12) is arranged on one side of the side mould (1) away from the track slab (3), and the limit structure (12) is arranged to protrude transversely from the side mould (1) towards the side where the insert plate groove (11) is located.

3. The under-track slab self-compacting concrete formwork according to claim 2, wherein the insertion plate (2) is provided with an L-shaped clamping piece (21) in concave-convex fit with the limiting structure (12), the L-shaped clamping piece (21) can form a groove with the outer surface of the insertion plate (2), and the limiting structure (12) is embedded and matched at the groove.

4. A track slab self-compacting concrete form according to claim 3, characterized in that the L-shaped clips (21) are arranged continuously in the height direction of the insert plate (2).

5. The self-compacting concrete form under the track slab according to claim 1, wherein a plurality of inserting plates (2) are arranged, the plurality of inserting plates (2) are used for being inserted into the inserting plate grooves (11) in sequence, and a joint can be formed between two adjacent inserting plates (2).

6. The under-track slab self-compacting concrete form of claim 5, wherein each insert plate (2) is uniform in shape and is a rectangular plate.

7. The under-track slab self-compacting concrete form of claim 6, characterized in that several of the insert plates (2) are sized to be uniform.

8. The under-track slab self-compacting concrete form according to claim 5, characterized in that adjacent two of said insert plates (2) are in a male-female fit.

9. The under-track slab self-compacting concrete form according to claim 5, characterized in that a sealing layer is provided between two adjacent insert plates (2).

10. The under-track slab self-compacting concrete form according to any one of claims 1-9, further comprising two end forms (4) arranged in parallel, said end forms (4) being laterally connected to said side forms (1) on both sides.