KR20200120431A - Lightweight Hump Mold for Precast Slab Track - Google Patents

Abstract

The present invention relates to a lightweight hump mold for a precast slab track, and more specifically, to a mold for curing a precast slab track which is a track structure manufactured in a factory and transported to and installed in the field. A hump mold that is difficult to transport and is uneconomical by being manufactured through a casting method is manufactured by using a metal plate through a press method, and a hollow part is formed in the hump mold, such that the weight of the hump mold is reduced, and thus, the hump mold is easily manufactured and carried, and is economically efficient.

Description

Lightweight Hump Mold for Precast Slab Track

The present invention relates to a lightweight hump mold for a precast slab track, and more particularly, in a mold for curing a precast slab track, a track structure manufactured in a factory and transported and installed in the field, and manufactured by a casting method and transported This difficult and uneconomical hump mold is manufactured by a press method using a metal plate, but by lowering the weight by forming a hollow part inside, it is easy to manufacture and transport, and to a lightweight hump mold for an economical precast slab track.

The precast slab track can be installed in a short time by pre-manufacturing the concrete panel under the railroad at the factory, then assembling it on site and fixing it using anchors. Accordingly, compared to the cast-in-place track structure, high-quality and high-strength concrete can be easily constructed, manpower reduction and high-speed construction are possible, and maintenance is easy. FIG. 1 is a view of a conventional precast slab track used in Korea, and it can be seen that a hump, which is a protrusion supporting a load, is provided in the lower part of the track.

FIG. 2 is a view showing a straight and curved track on which a precast slab track can be installed, and FIG. 3 is a view showing a cross section of a hump formed on the precast slab track. When uncured concrete is poured into the frame of the precast slab track and hardened, the hump is cured by the hump mold provided in the frame, and the cured hump is formed in the lower part of the track to transmit the load transmitted to the track. As shown in FIGS. 2 and 3, the hump may be designed to have different positions and angles according to the design of the curvature and inclination of the track. As shown in Fig. 2, there may be cases where the arrangement of the hump (H) is designed differently in the curved track section, and the inclination of the inside and outside according to the curvature of the track as shown in Figs. 3(a) and (b) Since the humps can be designed so that the inclination of the smoothing portion connecting both humps is different, it is necessary to design and cure a plurality of hump shapes.

However, in the presently used hump mold, it is common that the body is integrally manufactured through a casting method, and then its shape is determined through machining. When manufacturing a hump mold, a rough shape is formed through a casting method, and then a detailed shape of the hump mold is processed by grinding through machining. The hump mold manufactured by the casting method may have no problem in forming the hump and the surrounding parts while contacting the uncured concrete during concrete curing, but the manufacturing and transportation are difficult because the metal is integrally formed due to the manufacturing method. However, there is a problem that it is uneconomical. In addition, in the case of placing or demolding the hump mold in a formwork for curing concrete, the operation is inconvenient and there is a disadvantage of deteriorating the efficiency of the operation.

Accordingly, related industries are demanding a hump mold for precast slab track that is easy to manufacture and transport in a mold that cures precast slab tracks manufactured in factories and transported and installed in the field, and is convenient to work when curing concrete and is economical. have.

Korean Registered Patent Publication No. 10-1434913 (2004.08.21)

The present invention was devised to solve the above problems,

It is an object of the present invention, in a hump mold for a precast slab track, including a curing part provided to determine a shape after hardening by contacting concrete when one surface is curing concrete, and the curing part is provided to cure the hump of the precast slab track It is to provide a lightweight hump mold for precast concrete slab track that has a simple manufacturing method and a light weight, including the bent part.

Another object of the present invention is that the curing part is formed of a metal plate, and the metal plate has a thickness of 3mm or more and 6mm or less, so that unlike the concrete curing part formed through casting, it is light in weight, so it is easy to transport and economical precast concrete slab It is to provide a lightweight hump mold for the track.

Another object of the present invention is to include a hollow portion formed on the other surface of the curing portion and a support portion provided to surround the hollow portion, the support portion is formed of a metal plate, and the metal plate has a thickness of 3mm or more and 6mm or less. It is to provide a lightweight hump mold for precast concrete slab tracks that prevents the use of unnecessary raw materials.

Another object of the present invention is to provide a lightweight hump mold for a precast concrete slab track that can move integrally when curing concrete by configuring the curing unit to include an end formed along the rim and to be accommodated in a support unit based on the end Is to do.

Another object of the present invention is to provide a lightweight hump mold for a precast concrete slab track capable of adjusting the height of the curing portion by configuring the support portion to be formed inclined with respect to the longitudinal direction.

Another object of the present invention is that the lower surface of the support part is formed to have a uniform inclination angle from one side to the recessed central part, so that the precast shows a constant height change according to the movement of the adjusting means additionally provided under the support part. It is to provide a lightweight hump mold for concrete slab tracks.

Another object of the present invention is to provide a lightweight hump mold for a precast concrete slab track that can prevent movement of the support during curing of concrete by configuring the support part to contain a fastening means including a fastening means insertion hole on its lower surface. Is to do.

The present invention is implemented by an embodiment having the following configuration in order to achieve the above object.

According to an embodiment of the present invention, the present invention includes a curing part provided to determine a shape after hardening by contacting concrete when one surface is in contact with concrete during curing of concrete in a hump mold for a precast slab track, and the curing part is precast slab It characterized in that it comprises a bent portion provided to cure the hump of the track.

According to another embodiment of the present invention, the curing portion is formed of a metal plate, and the metal plate has a thickness of 3mm or more and 6mm or less.

According to another embodiment of the present invention, the present invention includes a hollow portion formed on the other surface of the curing portion and a support portion provided to surround the hollow portion, the support portion is formed of a metal plate material, and the metal plate material has a thickness of 3 mm or more. It is characterized in that less than 6mm.

According to another embodiment of the present invention, in the present invention, the curing portion includes an end formed along an edge, and is accommodated in a support portion based on the end.

According to another embodiment of the present invention, the support portion is characterized in that the lower surface is formed inclined with respect to the longitudinal direction.

According to another embodiment of the present invention, the present invention is characterized in that the lower surface of the support is formed to have a uniform inclination angle from one side to the recessed central portion.

According to another embodiment of the present invention, the present invention is characterized in that the support part accommodates the fastening means including a fastening means insertion hole on the lower surface thereof.

The present invention can obtain the following effects by the configuration, combination, and use relationship that will be described below with the present embodiment.

The present invention, in the hump mold for a precast slab track, includes a curing portion provided to determine a shape after hardening by contacting with the concrete during curing of the concrete, the curing portion bent portion provided to cure the hump of the precast slab track There is an effect of providing a lightweight hump mold for a precast concrete slab track having a simple manufacturing method and a light weight, including.

In the present invention, the curing part is formed of a metal plate, and the metal plate has a thickness of 3 mm or more and 6 mm or less, so that it is light in weight, unlike the concrete curing part formed through casting, so that it is easy to transport and is lightweight for economical precast concrete slab tracks. Hump mold can be provided.

The present invention includes a hollow portion formed on the other surface of the curing portion and a support portion provided to surround the hollow portion, the support portion is formed of a metal plate material, and the metal plate material has a thickness of 3 mm or more and 6 mm or less, so that unnecessary raw materials are used. It has the effect of providing a lightweight hump mold for precast concrete slab track that prevents the damage.

The present invention involves the effect of providing a lightweight hump mold for a precast concrete slab track capable of integrally moving during concrete curing by configuring the curing part to include an end formed along the rim and to be accommodated in the support part based on the end do.

The present invention provides a lightweight hump mold for a precast concrete slab track capable of adjusting the height of the curing portion by configuring the support portion to be formed so that the lower surface thereof is inclined with respect to the longitudinal direction.

The present invention is for a precast concrete slab track that exhibits a constant height change according to the movement of the adjusting means additionally provided under the support by configuring the lower surface of the support portion to be formed to have a uniform inclination angle from one side to the recessed central portion It derives the effect of providing a lightweight hump mold.

The present invention has the effect of providing a lightweight hump mold for a precast concrete slab track that can prevent the movement of the support part during curing of concrete by configuring the support part to contain a fastening means insertion hole on its lower surface. .

1 is a perspective view of a conventional precast slab track.
2 is a diagram illustrating a frame manufacturing process of a conventional precast slab track.
3 is a view showing a cross section of a hump formed on a precast slab track.
4 is a perspective view of a lightweight hump mold for a precast slab track according to an embodiment of the present invention.
5 is an exploded perspective view of a lightweight hump mold for a precast slab track according to an embodiment of the present invention.
Figure 6 is a cross-sectional view showing a cross-section A-A' of Figure 4;
7 is a plan view of a curing unit according to an embodiment of the present invention.
Figure 8 is a cross-sectional view showing a cross-section CC' of Figure 6;
9 is a cross-sectional view showing a cross-section BB' of FIG. 4.
10 is a view showing a cross-section of a support according to another embodiment of the present invention.
11 is a view showing a state in which a lightweight hump mold according to the present invention is accommodated and installed in a mold for a precast slab track.
12 is an exploded perspective view of a lightweight hump mold, a hump box, and a stopper according to an embodiment of the present invention.
13 is a view showing a hump box and a horizontal adjustment means according to an embodiment of the present invention.
14 is a view showing a hump box and a vertical adjustment means according to an embodiment of the present invention.
15 is a view showing a cross-section of a wedge and a lightweight hump mold according to various embodiments of the present invention.
16 is a view showing a vertical adjustment means moving part according to an embodiment of the present invention.
17 is a cross-sectional view taken along the DD′ of FIG. 14.
18 is a view showing a state that the lightweight hump mold according to an embodiment of the present invention is raised in the formwork for a precast slab track.
FIG. 19 is a view showing a state in which a lightweight hump mold according to an embodiment of the present invention descends within a formwork for a precast slab track.

Hereinafter, exemplary embodiments of a cooling system system according to the present invention will be described in detail with reference to the accompanying drawings. In the following description of the present invention, if it is determined that a detailed description of a known function or configuration may unnecessarily obscure the subject matter of the present invention, a detailed description thereof will be omitted. Unless otherwise defined, all terms in this specification are the same as the general meanings of the terms understood by those of ordinary skill in the art to which the present invention belongs, and in case of conflict with the meanings of terms used in the present specification, the present disclosure According to the definitions used in the specification.

Throughout the specification, when a part "includes" a certain component, this does not exclude other components unless otherwise stated, it means that other components may also be included. Terms such as “~ unit” described refer to a unit that processes at least one function or operation. In addition, when it is said that certain components are "connected", this is not limited to being in direct contact and fastening between the components, but includes fastening through other components, and a predetermined force or energy can be transmitted even if they are not fastened. It can mean that it is arranged to be. Hereinafter, the present invention will be described in detail by describing a preferred embodiment of the present invention with reference to the accompanying drawings.

1 is a perspective view of a conventional precast slab track, FIG. 2 is a view showing a straight and curved track on which the precast slab track can be installed, and FIG. 3 is a cross-sectional view of a hump formed on the precast slab track. It is a drawing. 4 is a perspective view of a lightweight hump mold 1 for a precast slab track according to an embodiment of the present invention, and FIG. 5 is an exploded view of a lightweight hump mold 1 for a precast slab track according to an embodiment of the present invention It is a perspective view, and FIG. 6 is a cross-sectional view showing a cross-section AA′ of FIG. 4. The lightweight hump mold 1 for the precast slab track is manufactured by a casting method, which makes it difficult to transport and is uneconomical to manufacture and transport a hump mold using a metal plate by a press method, but by lowering the weight by forming a hollow part inside. It is characterized by being easy and economical. The lightweight hump mold 1 for a precast slab track may include a curing part 10, a hollow part 20, and a support part 30.

7 is a plan view of the curing unit 10 according to an embodiment of the present invention, and FIG. 8 is a cross-sectional view showing a cross-section C-C′ of FIG. 7. 7 and 8 will be described below, the curing unit 10 is provided to cure the hump formed on the track while contacting the concrete during curing of the precast slab track. Accordingly, in the precast concrete slab panel A protruding hump can be formed to support the track. The curing part 10 is preferably formed of a plate made of a metal material, and may be processed through press molding. In consideration of the physical properties of the metal plate, that is, strength and ductility, the thickness of the metal plate can be designed so that there is no deformation while withstanding the weight of the concrete during curing, the thickness of the metal plate may be 3 mm or more and 6 mm or less. In the case of the curing part 10 according to an embodiment of the present invention, it is processed through press molding using a metal plate having a thickness of 4.5 mm. However, the right range for the thickness of the curing part 10 is not limited to the above range, and can be changed within the range achieving the objects and effects of the present invention. The curing part 10 may include a bent part 11, a smoothing part 13, and an end 15.

The bent portion 11 is a bent portion by being recessed to cure the hump when the uncured concrete is cured. While supporting the load transmitted from the track, the hump having a protruding shape can be formed left and right, and in the curing unit 11 according to the present invention, two bent portions 11a and 11b are formed to the left and right so that the hump is formed left and right. It can be provided. Each of the bent portions 11a and 11b may be formed to correspond to the shape of the hump designed in advance, and may have the same or different shape. In addition, the cured hump may have a circular arc shape or a different curvature for each section of the hump, and the bent portions 11a and 11b of the present invention may also be designed with different curvatures for each section to correspond thereto.

The smoothing part 13 may be provided to form a smooth surface when curing concrete of the precast slab track panel. The smoothing portion 13 suffices to have a smooth surface as a whole, and may be provided between the bent portions 11a and 11b while having a predetermined inclination according to the location and design of each bent portion.

The end 15 is formed along the edge of the curing part 10, and when the curing part 10 is accommodated in the support part 30 to be described later, the end 15 is caught on the upper end of the support so as to be accommodated with respect to the end 15. It can be provided. The end 15 according to an embodiment of the present invention may be formed along a planar rim of the curing part 10 to form a rectangular rim, which may correspond to the upper rim of the support part 30 to be described later. have. It is sufficient if the end 15 is formed so that there is no inconvenience when it is combined or separated with the support part, and when it is formed according to the planar shape of the curing part 10, the shape may not be a rectangular frame.

In addition, the side surface of the curing part 10 may be formed by extending a part of it to the end 15 beyond the boundary of the bent part 11, and the part may serve as a formwork to maintain the shape while the concrete is cured. .

Referring back to FIG. 6, the hollow part 20 according to an embodiment of the present invention can be confirmed. The hollow part 20 corresponds to an empty space formed between the support part 30 to be described later in the curing part 10. The hollow part 20 may be defined due to the curing part 10, the side surface 33 of the support part, and the lower surface 31 of the support part, and the shape thereof is based on the shape of the designed curing part 10 and the support part 30. It can be fluid accordingly. Compared with the existing hump mold, which is integrally formed by casting and does not have a hollow part, in the case of the present invention, the weight is reduced due to the formation of the hollow part 20, and manufacturing and transportation are easy, and economic effects can occur. have.

9 is a cross-sectional view of a support part 30 according to an embodiment of the present invention, which corresponds to a cross-sectional view of BB′ of FIG. 5, and FIG. 10 is a view of the support part 30 according to another embodiment of the present invention. It is a view showing a cross section. Referring to FIGS. 9 and 10 below, the support part 30 is formed to surround the hollow part 20 together with the curing part 10, and accommodates the curing part 10 to provide the present invention. It is possible to form a lightweight hump mold (1) for the precast slab track according to. The support part 30 may be provided to accommodate the curing part 10 by having an upper portion forming an opening and having a generally concave shape.

The support part 30 is preferably formed of a plate made of a metal material, and may be processed through press molding. In consideration of the physical properties of the metal plate, that is, strength and ductility, the thickness of the metal plate can be designed so that there is no deformation while withstanding the weight of the concrete during curing, the thickness of the metal plate may be 3 mm or more and 6 mm or less. In the case of the support part 30 according to an embodiment of the present invention, it is processed through press molding using a metal plate having a thickness of 4.5 mm. However, the range of rights to the thickness of the support part 30 is not limited to the above range, and can be changed within the range of achieving the objects and effects of the present invention. The support part 30 may include a lower surface 31 and a side surface 33.

The lower surface 31 defines the bottom portion of the support part 30 and may be provided to adjust the height of the hump mold in connection with a vertical adjustment means capable of adjusting the height of the hump mold according to its shape. In one embodiment of the present invention, the lower surface 31 may include an inclined portion 311 formed to be inclined in a longitudinal direction, a fastening portion 313 and a fastening hole 315. However, in another embodiment of the present invention, the lower surface 31 may be formed entirely flat while lacking the inclined portion 311 to accommodate the curing portion 10.

The inclined part 311 is provided to adjust the vertical position of the lightweight hump mold 1 according to the combination of the curing part 10 and the support part 30 according to the horizontal movement of the wedge 81 to be described later, and the support part ( It may be formed to be inclined along the length direction of 30). As will be described later, the upper surface of the wedge 81 is provided so that its shape corresponds to the inclined portion 311, and the support portion 30 may be pushed up or down according to the horizontal movement of the wedge 81. Accordingly, it is possible to adjust the vertical position of the lightweight hump mold 1 according to the present invention. Furthermore, one inclined part 311 may be formed while having a certain inclined angle. Accordingly, as the wedge 81 moves, smooth interaction with the lower surface 31 is possible.

The fastening part 313 may be formed to be substantially flat, and may include a fastening hole 315 for receiving a fastening means. If the lightweight hump mold 1 according to the present invention completes its position adjustment, the precast slab track must be cured by pouring uncured concrete.In this process, the hump box 50 and the hump mold are integrally coupled to cure concrete. It can be fixed so that its position does not change. The fastening hole may preferably be formed in a circular shape with a screw thread, but the shape is not limited as long as it can be fastened to the hump box 50 by accommodating the fastening means.

In a preferred embodiment of the present invention, the lower surface 31 may be formed such that the central portion is recessed in the longitudinal direction. According to this shape, the inclined portions 311a and 311b may be formed around the center. In this case, the inclined angles of the two inclined portions 311a and 311b may be the same or different. According to the recessed shape of the lower surface, the support part 10 can be vertically moved by the interaction with the wedge 81 to be described later, but the fastening part 313 and the fastening hole 315 are located relatively lower to be fastened. This can be convenient and economical.

10 is a view showing a cross section of the support portion according to another shape of the lower surface 31. In the case of (a) and (b) of Fig. 10, a lightweight hump mold (1) according to the combination of the support part 30 and the curing part 10 according to the interaction of the inclined part 311 and the wedge 81 on the lower surface. It can be moved vertically, and it can be seen that even the lower inclined portion 311 having a shape different from that shown in FIGS. 9 and 10 belongs to the scope of the present invention.

The side surface 33 defines the support part 30 together with the lower surface 31. The hump box 50 to be described later accommodates the light weight hump mold 1 according to the combination of the curing part 10 and the support part 30, and the receiving plane may be preferably in a rectangular shape. The side surfaces 33 are preferably formed to be flat to form four side surfaces of the support part 30 so that the plane of the lightweight hump mold 1 is rectangular.

In another embodiment of the present invention, the curing part 10 and the support part 30 may be integrally formed. As the curing part 10 and the support part 30 are integrally formed and used with the hollow part 20 therein, the weight is reduced compared to the existing hump mold, and the curing part in the manufacturing process of the hump mold An efficient process can be performed because the process of receiving and combining (10) and the support part 30 is omitted.

11 is a view showing a state in which the lightweight hump mold 1 according to the present invention is accommodated and installed in a mold for a precast slab track. Referring to FIG. 11, the frame 40 may function as a formwork to accommodate uncured concrete and to form a flat panel as a whole when the concrete is cured. The frame 40 is formed in a flat plate shape as a whole, and accommodates the curing unit 10, a hump box 50, and a stopper 60, which will be described later, in the middle so that the hump can be cured in that part. The frame 40 may include a mold plate 41 and an outer panel 43.

The mold plate 41 is a main component of the frame 40 and may be entirely formed in a plate shape. When curing the precast slab track, uncured concrete is poured on the upper part of the mold plate 41 to cure the concrete, and a cavity is formed in a predetermined part to cure the curing part 10, the hump box 50, and the stopper at that part. It is provided to accommodate 60 to cure a curved hump.

The outer panel 43 may be preferably provided to be spaced apart a predetermined distance from the side of the curing unit 10 and the hump box 50 accommodating the same. In one embodiment of the present invention, the outer panel 43 is formed of a C-shaped steel pipe and is preferably coupled to the mold plate 41 through a predetermined coupling method, but even if it is formed integrally with the mold plate 41 It's okay. The outer panel 43 includes a through hole, and the moving part 71 of the horizontal adjustment means to be described later, the first moving part 831 and the second moving part 833 of the vertical adjusting means are supported while passing through the through hole. Can be.

12 is a view showing a lightweight hump mold 1, a hump box 50, and a stopper 60 according to an embodiment of the present invention. Referring to FIG. 12 below, the hump box 50 may be formed to accommodate the lightweight hump mold 1 and to be positioned in a mold for a precast slab track. Curing the humps of various conditions designed in the precast slab track by allowing the lightweight hump mold 1 to move within the hump box 50 or the hump box 50 accommodating the lightweight hump mold 1 to move. To be able to do it. The hump box 50 may include a body 51, a receiving part 53, a box end 55, and a fastening hole 57.

The body 51 is a part that forms the hump box 50, and as the body 51 is provided while forming an opening, it can accommodate the lightweight hump mold 1 while forming the receiving portion 53. The body 51 may preferably take the shape of a rectangular parallelepiped whose upper surface is an opening as a whole. However, the scope of the present invention is not limited to a rectangular parallelepiped shape, and it is obvious that the shape of the body 51 may also change according to the shape of the lightweight hump mold 1 accommodated in the hump box 50.

The receiving portion 53 is a space formed in the hump box 50 and may be provided to accommodate the lightweight hump mold 1 and adjust its position. Accordingly, the receiving portion 53 may be required to have a depth to some extent than that of the lightweight hump mold 1. In an embodiment of the present invention, a depth of the receiving portion 53 may be provided to be 22mm or more than the height of the lightweight hump mold 1.

The box end 55 may be provided by being bent at the top of the body 51, and may be formed to extend a predetermined length therefrom. The box end 55 is formed to extend at least a predetermined length in the longitudinal direction, so that the hump box 50 moves within the movable range guided by the stopper 60 in the action with the stopper 60 to be described later and deviates from the range. It can be provided so as not to.

The fastening hole 57 is preferably formed on the lower surface of the hump box body 51, and may be provided to accommodate the fastening means at one side. In an embodiment of the present invention, the fastening hole 57 may be provided near four corners of the lower surface of the hump box body 51 as shown in the cross-sectional view of FIGS. 5 to 6 and FIG. 12. If the position adjustment of the lightweight hump mold 1 according to the present invention is completed, the precast slab track must be cured by pouring uncured concrete. In this process, the hump box 50 and the lightweight hump mold 1 are integrally fastened. Therefore, it can be fixed so that its position does not change when curing concrete. The fastening hole 57 may preferably be formed in a circular shape with a screw thread, but is not limited thereto, and if it can be fastened to the lightweight hump mold 1 by accommodating the fastening means, the shape is fine.

The stopper 60 may be fixedly formed at a position horizontally spaced apart from both ends of the hump box 50 by a predetermined distance. 6 and 11, the stopper 60 is formed by being spaced apart a predetermined distance in the longitudinal direction from both ends of the hump box 50. Since the stopper 60 is formed to be spaced a predetermined distance, the hump box 50 can be moved horizontally by a corresponding range, so that the horizontal position of the cured hump is adjusted. For example, in an embodiment of the present invention, the distance between the stoppers 60 is provided to be 8 mm longer than the length of the hump box, so that the hump box 50 can move horizontally in a range of 8 mm, and The position can be adjusted. The stopper 60 may include a stopper plate 61 and a stepped step 63.

The stopper plate 61 forms the body of the stopper 60 and may be fixedly mounted to the mold plate 41 of the frame 40 of the precast slab track. In contrast, the box end 55 of the hump box 50 is not fixedly mounted on the mold plate and can be moved horizontally within the range of the free space of the stopper 60. The stepped jaw 63 forms a jaw at one end of the stopper plate 61, and may be extended longer than the length of the spare space so that the hump box 50 or the box end 55 does not come off or escape. For example, in one embodiment of the present invention, if the stopper 60 has a free space of 8 mm, the stepped step 63 is extended so that its length is 8 mm or more so that the hump box 50 or the box end 55 It can prevent churn.

The horizontal adjustment means 70 may be provided to horizontally move the lightweight hump mold 1 or the hump box 50. When the lightweight hump mold 1 according to the present invention is provided in the frame of the precast slab track, the hump box 50 in which the lightweight hump mold 1 is accommodated is within a range guided by the stopper 60 attached to the mold plate. Although horizontal movement is possible, the precast slab track frame has a very large size and load, so the horizontal position of the hump mold for the precast slab track of the present invention including the hump box 50 under the frame 40 is adjusted. Things are unreasonable. Accordingly, it is preferable to adjust the horizontal position of the hump mold for the precast slab track of the present invention through a separate horizontal adjustment means (70). The horizontal adjustment means 70 may include a moving part 71 and a guide part 73.

13 is a view showing a hump box 50 and a moving unit 71 according to an embodiment of the present invention. 13, the moving part 71 has a rod shape having a certain length, and one end is freely rotatable connected to the hump box 50 or the lightweight hump mold 1 using a washer, etc. 50 or the lightweight hump mold (1) is coupled so as not to fall off, and the other end has a head to which a mechanism used to rotate the moving part is coupled. The moving part has a rod shape that extends between one end and the other end and between one end and the other end, and includes a male thread on an outer peripheral surface of at least a certain portion between one end and the other end for interlocking with the guide part 73 to be described later. In the case of the mold for the precast slab track of the present invention, since it is not easy to adjust the horizontal position under the frame, the horizontal position of the hump box 50 can be adjusted through the movement of the moving part 71.

The guide part 73 is a hollow tube formed on a frame of a precast slab track or a panel 43 provided in the frame. The guide part 73 is made of a hollow tube so that the moving part 71 penetrates, and an inner circumferential surface surrounding the hollow has a female thread.

Accordingly, the moving part 71 is freely rotatably coupled to the side of the hump box 50 or the light weight hump mold 1 through the guide part 73, and the moving part 71 is the guide part When passing through (73), the male thread of the moving part 71 rotates while maintaining the screwing by the female thread of the guide part, so rotating the moving part 71 causes the hump box 50 or the curing part to move horizontally. do.

The vertical adjustment means 80 may be provided to adjust the vertical position of the lightweight hump mold 1 accommodated in the hump box 50. In the case of a mold for a precast slab track, a lightweight hump mold 1 is accommodated and provided in the hump box 50, and it is unreasonable to directly adjust the position of it up and down. Accordingly, it is preferable to adjust the horizontal position of the mold for the precast slab track of the present invention through the vertical adjustment means 80 having a separate mechanism. The vertical adjustment means 80 may include a wedge 81, a moving part 83, and a guide part 85.

14 is a view showing a hump box 50, a wedge 81, a moving part 83, and a guide part 85 according to an embodiment of the present invention. Referring to FIG. 13, the wedge 81 may be provided to be positioned between the curing unit 10 and the hump box 50. The wedge 81 is preferably formed so that the upper surface in contact with the lightweight hump mold 1 is inclined at an angle corresponding to the support portion 30 of the lightweight hump mold 1, so that when the support portion is horizontally moved by the wedge 81 The lightweight hump mold 1 may be provided to rise or fall through the inclined movement of (31).

In one embodiment of the present invention, the wedge 81 may include a first wedge 811 and a second wedge 813. Since the lower surface of the support part 31 according to an embodiment of the present invention is formed to be inclined so that the center is recessed, the inclined surfaces 311a and 311b may be formed from the center of the lower surface to the outside and inside, respectively. Accordingly, the first wedge 811 may be provided to correspond to the first inclined surface 311a, and the second wedge 813 may be provided to correspond to the second inclined surface 311b. The first wedge 811 and the second wedge 813 may independently behave according to the operation of the moving part 83 of the vertical adjustment means to be described later. As each wedge can behave independently, the lightweight hump mold 1 can rise or fall in height by horizontal movement of the wedge, and further, its slope can be adjusted.

15 is a view showing a cross section of a wedge 81 and a lightweight hump mold 1 according to another embodiment of the present invention. Referring to FIG. 14, the wedge 81 may be provided to have a shape corresponding to the shape of the lower surface 31 of the support part, and thus the wedge 81 may have a shape complementary to the lower surface 31 of the support part. 81) may also vary in cross-section and shape. In the case of (a) of Figure 15, as the inclined surface 311 has a shape that is recessed into the center, it has a cross section of the wedge 81 as in the present invention, and the shape of the inclined surface 31 also in the cases (b) and (c) According to this change, a cross section of the wedge 81 may be provided to have a shape corresponding thereto. Accordingly, vertical movement of the lightweight hump mold 1 may be caused due to the interaction between the inclined surface 311 and the wedge 81. It will be appreciated by those skilled in the art that even wedge 81 having a shape different from that shown in FIGS. 14 and 15 belongs to the scope of the present invention.

The moving part 83 includes a first moving part and a second moving part. FIG. 16 is a diagram illustrating a first moving part 831 and a second moving part 833 according to an embodiment of the present invention, and FIG. 17 is a cross-sectional view showing a cross-section D-D' of FIG. 16. 16 and 17 will be described below, the first moving part 831 has a rod shape having a certain length, and one end is connected to the first wedge 811 so as to be freely rotatable using a washer or the like. The first wedge 811 is coupled so as not to fall out, and the other end has a head to which a mechanism used to rotate the moving part is coupled. In particular, the first moving part 831 has a hollow shape unlike the moving part 71 of the horizontal adjustment means as seen above. The first moving part 831 has a rod shape that extends between one end and the other end, and between one end and the other end, and a male thread is formed on the outer circumferential surface of at least a certain portion or more between one end and the other end for interlocking with the guide unit 85 to be described later. Equipped.

The guide part 85 includes a first guide part 851, and the first guide part 851 is a hollow formed in the frame 40 of the precast slab track or the outer panel 43 provided in the frame. It is a mold tube. The first guide portion 851 is made of a hollow tube so that the first moving portion 831 passes, and an inner circumferential surface surrounding the hollow is provided with a female thread.

Accordingly, the first moving part 831 passes through the first guide part 851 and is freely rotatably coupled to the first wedge 811, and the first moving part 831 is connected to the first guide part ( 851), the male thread of the first moving part rotates while maintaining the screwing by the female thread of the first guide part, so rotating the first moving part 831 causes the first wedge 811 to move horizontally. And, since the inclined surface 131a of the lower surface of the curing part is in contact with the inclined surface of the first wedge, when the first wedge 811 moves horizontally, the curing part of the area in contact with the first wedge according to the movement direction It makes an upward movement or downward movement.

The second moving part 833 has a rod shape having a certain length, and one end is connected to the second wedge 813 so as to be freely rotatable using a washer, but is coupled so as not to fall out of the second wedge 813 and the other end It has a head to which a mechanism used to rotate the moving part is coupled. The second moving part 833 has a rod shape extending between one end and the other end, and between one end and the other end, and penetrates through the hollow of the first moving part 831 and interlocks with the second guide part 853 to be described later. For this purpose, a male thread is provided on the outer peripheral surface of at least a certain portion between one end and the other end.

The guide part 85 further includes a second guide part 853. The second guide part 853 is made of a hollow member so that the second moving part 833 penetrates, and an inner circumferential surface surrounding the hollow is provided with a female thread. The second guide part 853 according to an embodiment of the present invention may be preferably fixedly mounted on the hump box 50, and the second moving part 833 passes through the second guide part 853 It may be connected to the second wedge 813.

Accordingly, the second moving part 833 penetrates through the second guide part 853 and is freely rotatably coupled to the second wedge 813, and the second moving part 833 is the second guide part ( When passing through 853), the male thread of the second moving part rotates while maintaining the screwing by the female thread of the second guide part, so rotating the second moving part 833 causes the second wedge 813 to move horizontally. And, since the inclined surface 311b of the lower surface of the curing part is in contact with the inclined surface of the second wedge, when the second wedge 813 moves horizontally, the curing part of the area in contact with the second wedge according to the moving direction It makes an upward movement or downward movement.

As above, the degree of horizontal movement of the first wedge 811 and the second wedge 813 varies according to the rotational degrees of the first moving part 831 and the second moving part 833, and each of the first wedges Since the degree of vertical rise of the inclined surface 311a and the inclined surface 311b in contact with the second wedge is different, it is possible to mold the slab track having various angles into one mold.

18 is a view showing a state in which the vertical position is adjusted so that the lightweight hump mold 1 descends in the hump mold for a precast slab track according to an embodiment of the present invention, and FIG. 19 is a view showing a light weight hump mold 1 It is a diagram showing the state that the vertical position is adjusted to rise. 18 and 19, when the first moving part 831 and the second moving part 833 are rotated and adjusted so that the first wedge 811 and the second wedge 813 are located close to the central part, The lower surface of the curing part 13 descends according to the movement of the respective wedges 811 and 813, and when the first wedge 811 and the second wedge 813 are positioned at the edge portion, the support part 30 rises. After adjusting the position of the lightweight hump mold 1 according to the above process, the hump box 50 and the lightweight hump mold 1 are fastened and fixed through a fastening means, and the uncured concrete is poured to cure the concrete. , A precast slab track in which the height and slope are variously formed according to the designed conditions can be created.

The detailed description above is illustrative of the present invention. In addition, the above description shows and describes preferred embodiments of the present invention, and the present invention can be used in various other combinations, modifications and environments. That is, changes or modifications may be made within the scope of the concept of the invention disclosed in the present specification, the scope equivalent to the disclosed contents, and/or the skill or knowledge of the art. The above-described embodiments describe the best state for implementing the technical idea of the present invention, and various changes required in the specific application fields and uses of the present invention are possible. Therefore, the detailed description of the invention is not intended to limit the invention to the disclosed embodiment. In addition, the appended claims should be construed as including other embodiments.

1: lightweight hump mold for precast slab track
10: curing part 11: bent part
13: smooth part 15: end
20: hollow part
30: support 31: lower support portion 311: inclined surface
313: fastening part 315: fastening hole 33: side of support part
40: frame 41: mold plate 43: outer panel
50: hump box 51: body 53: receiving portion
55: box end 57: fastening hole
60: stopper 61: stopper plate 63: stepped
70: horizontal adjustment means 71: moving part 73: guide part
80: vertical adjustment means 81: wedge 83: moving part
831: first moving part 833: second moving part 85: guide part
851: first guide part 853: second guide part

Claims (11)

In the hump mold for precast slab track,
One side includes a curing unit provided to determine the shape after curing by contacting the concrete during curing of concrete,
The curing unit is a lightweight hump mold for precast concrete slab track comprising a bent portion provided to cure the hump of the precast slab track. The lightweight hump mold for a precast slab track according to claim 1, wherein the curing part is formed by pressing a metal plate. The method of claim 2, comprising a hollow portion formed on the other surface of the curing portion and a support portion provided to surround the hollow portion,
The support portion is a lightweight hump mold for precast slab track, characterized in that formed by press molding a metal plate. The lightweight hump mold for a precast slab track according to claim 3, wherein the support part has a shape that is recessed as a whole and is formed to accommodate the curing part and is separated from each other. The lightweight hump mold for a precast slab track according to claim 4, wherein the curing part includes an end formed along an edge, and is accommodated in a support part based on the end. The lightweight hump mold for a precast slab track according to claim 5, wherein the support portion is formed with a lower surface inclined with respect to the longitudinal direction. The lightweight hump mold for a precast slab track according to claim 6, wherein the lower surface of the support portion is formed inclined so that the central portion is recessed in the longitudinal direction. The lightweight hump mold for a precast slab track according to claim 7, wherein the lower surface of the support portion is formed to have a uniform inclination angle from one side to the recessed central portion. The lightweight hump mold for a precast slab track according to claim 8, wherein the support part includes a fastening hole on a lower surface thereof to accommodate a fastening means. The lightweight hump mold for precast slab track according to claim 3, wherein the curing part and the support part are integrally formed. The lightweight hump mold for a precast slab track according to claim 3, wherein the curing portion and/or the support portion is formed by pressing a metal plate having a thickness of 3 mm or more and 6 mm or less.

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