CN215856973U - Repair die for retaining shoulder - Google Patents

Abstract

The utility model belongs to the field of railway track engineering, and provides a repair die for a shoulder, which comprises: the molding part is provided with a cavity, and the contour of the inner edge of the cavity is superposed with the standard outer contour of the retaining shoulder; the positioning piece is connected with the molding piece and provided with a positioning hole; the positioning hole is used for positioning the positioning piece; the molding piece or the positioning piece is provided with an opening which is communicated with the cavity. The repairing die provided by the embodiment of the utility model has the advantages of simple structure, accurate positioning, rapid repair of the shoulder, and accurate positioning of the repairing die, so that the precision of the repaired shoulder can be ensured.

Description

Repair die for retaining shoulder

Technical Field

The utility model belongs to the field of ballastless track maintenance, and particularly relates to a repair die for a retaining shoulder.

Background

The high-speed railway becomes one of the current mainstream traffic traveling modes of people due to the convenient, fast and comfortable riding experience of the high-speed railway. The steel rail and the sleeper serve as the basis for smooth running of the high-speed railway, wherein the fastener system controls the geometric dimension of the steel rail, and the stress and stability of the steel rail are guaranteed to meet the requirement of high-speed running of the train. When the rail plate retaining shoulder is damaged under the influence of various factors, such as cracking and block dropping, the due function of the rail plate retaining shoulder cannot be fully exerted, the constraint force of the steel rail is possibly insufficient, and the operation safety of a train is influenced.

At present, the ballastless track slab sleeper is molded in a prefabricating mode, the manufacturing precision is high, when the track slab fender shoulder is damaged, the requirement on the repair precision of the fender shoulder is higher, particularly, the fender shoulder is directly contacted with a track fastener, the flatness, the angle and the like after the fender shoulder is repaired can directly influence the installation of the fastener, the geometric dimension of a steel rail is further influenced, and the running of a follow-up train is influenced.

SUMMERY OF THE UTILITY MODEL

In view of this, the embodiment of the present invention provides a repair mold for a shoulder to solve the technical problem of how to repair the shoulder quickly and ensure the repair precision.

The embodiment of the utility model provides a repair die for a retaining shoulder, which comprises: the molding piece is provided with a cavity, and the inner edge contour of the cavity is superposed with the standard outer contour of the retaining shoulder; the positioning piece is connected with the molding piece and provided with a positioning hole; the positioning hole is used for positioning the positioning piece; an opening is arranged on the molding piece or the positioning piece and communicated with the cavity.

Furthermore, the positioning part comprises a first flat plate and a second flat plate connected with the first flat plate, the positioning hole is formed in the first flat plate, and the second flat plate is connected with the molding part.

Furthermore, a preset included angle is formed between the extending direction of the first flat plate and the extending direction of the second flat plate.

Further, the first flat plate is movably connected with the second flat plate.

Furthermore, the molding part comprises two side plates arranged at intervals and a cover plate arranged on the upper end surfaces of the two side plates, and the two side plates and the cover plate form the cavity; the two side plates are connected with the second flat plate.

Further, the shoulder repairing mold further comprises an anchoring piece; two ends of the second flat plate in the length direction are respectively provided with a kidney-shaped groove, and the kidney-shaped grooves extend along the width direction of the second flat plate; the anchoring piece can penetrate through the fixed kidney-shaped groove to anchor the second flat plate on the side plate.

Further, the positioning piece is arranged at a distance from the bottom of the molding piece along the height direction.

The embodiment of the utility model provides a repair die for a retaining shoulder, which comprises: the molding part is provided with a cavity, and the contour of the inner edge of the cavity is superposed with the standard outer contour of the retaining shoulder; the positioning piece is connected with the molding piece and provided with a positioning hole; the positioning hole is used for positioning the positioning piece; the molding piece or the positioning piece is provided with an opening which is communicated with the cavity. The positioning hole is formed in the positioning piece, the positioning bolt penetrates through the positioning hole to fix the positioning piece on the sleeper bearing platform, so that the positioning reference of the repairing mold is determined, and then the finished mold is fixedly connected with the positioning piece to realize the positioning of the repairing shoulder. The repairing mold provided by the embodiment of the utility model has the advantages that the structure is simple, the positioning is accurate, the repairing of the shoulder can be quickly realized, the positioning of the repairing mold is accurate, the shoulder is repaired by pouring cement mortar in the opening, and the precision of the repaired shoulder is ensured.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a repair mold for shoulder retainers provided by an embodiment of the present invention;

FIG. 2 is a schematic illustration of the installation of a repair mold provided by an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a positioning element for repairing a mold according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a molded part for repairing a mold according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of another molding element of a repair mold provided in accordance with an embodiment of the present invention;

FIG. 6 is a flow chart of a method for repairing a shoulder provided by an embodiment of the present invention;

FIG. 7 is a flow chart of another method for repairing a shoulder provided by an embodiment of the present invention;

FIG. 8 is a flow chart of another method for repairing a shoulder provided by an embodiment of the present invention;

FIG. 9 is a flow chart of another method for repairing a shoulder provided by an embodiment of the present invention.

Description of reference numerals:

1. forming a module; s, a cavity; 2. a positioning member; 21. positioning holes; r, opening; t, sleeper bearing platform; p, a shoulder; t1, upper end face; 22. a first plate; 23. a second plate; 24. a kidney-shaped groove; 25. installing a bolt; 11. a side plate; 12. a cover plate; 13. mounting a rod; 14. an anchoring hole; 15. a protrusion.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

The individual features described in the embodiments can be combined in any suitable manner without departing from the scope, for example different embodiments and aspects can be formed by combining different features. In order to avoid unnecessary repetition, various possible combinations of the specific features of the utility model will not be described further.

In the following description, the term "first/second/so" is used merely to distinguish different objects and does not mean that there is a common or relationship between the objects. It should be understood that the description of the "upper", "lower", "outer" and "inner" directions as related to the orientation in the normal use state, and the "left" and "right" directions indicate the left and right directions indicated in the corresponding schematic drawings, and may or may not be the left and right directions in the normal use state.

The shoulder blocks are partial structures of the sleeper, and the sleeper comprises a sleeper bearing platform and shoulder blocks arranged at two ends of the sleeper bearing platform. The rail is arranged on the sleeper bearing platform and is fixed through a fastener system, wherein the retaining shoulders are used for resisting the transverse displacement of the rail and keeping the rail direction and the rail distance of the rail good. The retaining shoulder is deformed or damaged in long-term bearing or temperature change, and the operation of the high-speed railway is influenced. Therefore, the embodiment of the utility model provides a retaining shoulder repairing mold to repair a partially damaged, completely damaged or deformed retaining shoulder. In a specific implementation manner, the repair mold for the retaining shoulder provided by the embodiment of the utility model can be suitable for retaining shoulders in any scene, for example, the repair mold can be suitable for retaining shoulders on ballastless tracks and can also be suitable for retaining shoulders on ballasted tracks. The structure of the repairing mold is exemplarily described below by taking the repairing mold as an example for being suitable for the retaining shoulder on the ballastless track, and the use scene and the material of the retaining shoulder do not cause any influence on the structure of the repairing mold.

In some embodiments, as illustrated in fig. 1, the shoulder repair mold comprises: the molding part 1 is provided with a cavity S, and the contour of the inner edge of the cavity S is superposed with the standard outer contour of the shoulder; the shape and size of the cavity S may be correspondingly configured according to the shape and size of a standard shoulder. For example, in a ballastless track, the standard shoulder is in the shape of a quadrangular frustum pyramid, and the contour of the inner edge of the cavity S is in the shape of a quadrangular frustum pyramid. For another example, if the standard shoulder is in the shape of a truncated cone, the contour of the inner edge of the cavity S is a truncated cone. It should be noted that the coincidence of the contour of the inner edge of the cavity and the standard outer contour of the shoulder may be partial coincidence or complete coincidence, i.e. the molding element at least constitutes part of the standard shoulder mold. For example, when the cavity has one end open, the molded part is a standard shoulder mold, and when the cavity has multiple ends open, the molded part is a part of the standard shoulder mold. The shoulder is disposed at one end of the sleeper bearing platform and is fixedly connected with the track plate, so that the molding member has at least one opening with one end facing the track plate.

The positioning piece 2 is connected with the molding piece 1, and the positioning piece 2 is provided with a positioning hole 21; the positioning hole 21 is used for positioning the positioning piece 2; the positioning piece 2 is used for being connected with the molding part 1 to form a mold of a standard shoulder together, and when the cavity of the molding part 1 is opened at multiple ends, the positioning piece 2 can be connected with the molding part 1 and formed into an end face for closing one opening end of the cavity. The positioning holes 21 on the positioning member 2 are used for positioning the positioning member 2, and the position of the molding member 1 can be limited by connecting the molding member 1 with the positioning member 2 on the basis of taking the positioning member 2 as a positioning reference. The positioning piece 2 and the molding piece 1 are detachably connected, are installed together when needed, are detached and placed when not needed, and are convenient to use and convenient to produce and manufacture.

The molding member 1 or the positioning member 2 is provided with an opening R which is communicated with the cavity S. Different from the opening at one end of the cavity S of the molding part 1, wherein the opening R is used for pouring cement mortar, and after the positioning part 2 is connected with the molding part 1 and forms a mold of a standard shoulder, the opening R used for pouring cement mortar can be arranged on the molding part 1; an opening R can be arranged on the positioning piece, and the requirement that the opening R can be communicated with the cavity S is met. The specific position, opening size and shape of the opening R can be correspondingly arranged according to the specific structure and actual installation mode of the repair die. Cement mortar is poured into the cavity S communicating with the opening R through the opening R to form a portion of a standard shoulder, thereby repairing the damaged shoulder.

The effect of repairing the mold is described in detail below in connection with the damaged shoulder of fig. 2. As shown in fig. 2, the sleeper on the track plate includes a sleeper platform T and a retaining shoulder P. When the retaining shoulder is damaged or deformed, the damaged retaining shoulder can not be directly utilized for positioning and repairing. Under the condition that the module has no positioning reference, the repair precision of the shoulder is difficult to guarantee. Since the sleeper bearing platform T and the track plate are fixedly connected to form an integral structure, in the embodiment of the utility model, the positioning element 2 is fixed and attached to the upper end surface T1 of the sleeper bearing platform by taking the upper end surface T1 of the sleeper bearing platform T as a reference surface. Specifically, the positioning member 2 is provided with a positioning hole 21, a positioning bolt penetrates through the positioning hole 21 and penetrates through the sleeper bearing platform T to fix the positioning member 2, and then the positioning member 2 is connected with the finished module 1 to position the finished module 1. So, can realize restoreing the quick location of mould, and fix a position accurately, especially to the fender shoulder that damages totally, or when removing original damaged fender shoulder and carry out the recasting, to the determination of the concrete position that the fender shoulder was pour newly. It should be noted that the positioning element 2 is attached to the sleeper bearing platform T to determine the positioning reference of the repair mold, and in order to ensure the shoulder blocking accuracy of the repair mold, the repair mold composed of the positioning element and the molding element has a cavity attached to the outer contour of the standard shoulder, so that the repair mold can form the standard shoulder after pouring cement mortar.

The embodiment of the utility model provides a repair die for a retaining shoulder, which comprises: the molding part is provided with a cavity, and the contour of the inner edge of the cavity is superposed with the standard outer contour of the retaining shoulder; the positioning piece is connected with the molding piece and provided with a positioning hole; the positioning hole is used for positioning the positioning piece; the molding piece or the positioning piece is provided with an opening which is communicated with the cavity. The positioning hole is formed in the positioning piece, the positioning bolt penetrates through the positioning hole to fix the positioning piece on the sleeper bearing platform, so that the positioning reference of the repairing mold is determined, and then the finished mold is fixedly connected with the positioning piece to realize the positioning of the repairing shoulder. The repairing mold provided by the embodiment of the utility model has the advantages that the structure is simple, the positioning is accurate, the repairing of the shoulder can be quickly realized, the positioning of the repairing mold is accurate, the shoulder is repaired by pouring cement mortar in the opening, and the precision of the repaired shoulder is ensured.

In some embodiments, as shown in fig. 3, the positioning member 2 includes a first plate 22 and a second plate 23 connected to the first plate 22, the positioning hole 21 is disposed on the first plate 22, and the second plate 23 is connected to the molding member 1. The first flat plate 22 is used for connecting with the sleeper bearing platform T to realize the positioning of the positioning piece 2, and the second flat plate 23 is used for connecting with the molding module 1, namely, the second flat plate 23 and the molding module 1 jointly form an inner cavity for pouring cement mortar to form a standard shoulder structure. The first flat plate 22 and the second flat plate 23 are both of a structure with a certain length, width and thickness, the width of the first flat plate 22 is correspondingly designed according to the width of the sleeper bearing platform T, the width of the first flat plate 22 can be slightly larger than that of the sleeper bearing platform T, and in order to facilitate the installation of the finished module 1, the width of the second flat plate 23 and the width of the first flat plate 22 can be set to be equal to ensure that the finished module has enough space to accommodate a damaged retaining shoulder so as to position a specific position of a repair mold.

As shown in fig. 2, in the sleeper of the actual track slab, the rail formed by the shoulder P and the sleeper platform T has a concave structure, and a plane where the end surface of the shoulder P close to the sleeper platform T is located and a plane where the upper end surface T1 of the sleeper platform T are located form a certain included angle. Therefore, the second plate 23 forms an angle with the first plate 22, so that the second plate 23 can be attached to the first end surface of the shoulder P when the first plate 22 is attached to the sleeper bearing T. In this way, the molding element 1 can be connected to the second plate 23 when it is placed on a damaged shoulder. The first flat plate 22 and the second flat plate 23 can be fixedly connected or movably connected, and the requirement of an included angle between a standard shoulder and a sleeper bearing platform is met. Therefore, the position and the precision of the shoulder block repaired by the repair die meet the requirements of the standard shoulder block.

Specifically, a preset included angle is formed between the extending direction of the first plate 22 and the extending direction of the second plate 23. The preset included angle is based on the included angle between the plane where the first end face of the shoulder is located and the plane where the upper end face of the sleeper bearing platform is located. Thus, the predetermined included angle may be of different values in different sleeper configurations.

Optionally, when the first flat plate 22 is fixedly connected to the second flat plate 23, an included angle between the first flat plate 22 and the second flat plate 23 is a fixed value, and the fixed value is the same as an included angle between the first end surface of the shoulder to be repaired and the upper end surface of the sleeper bearing platform. The fixed connection between the first plate 22 and the second plate 23 can be used for completely damaging the broken shoulder, or for preventing the deformation of the shoulder, which can not be used normally, and pouring again after chiseling. In this case, the first flat plate 22 is attached and fixed on the sleeper bearing platform T, and the second flat plate 23 is fixedly connected with the molding component 1, so that the mold can be positioned and repaired. Cement mortar is poured into the opening to form a new retaining shoulder, which is identical in structure and position to the standard retaining shoulder. For the complete condition of the first end face of the blocking shoulder, the fixed connection of the first flat plate and the second flat plate is also applicable, namely the second flat plate is attached to the first end face exactly.

Optionally, the first plate 22 is movably connected to the second plate 23. The movable connection here means that the second plate 23 is rotatable about a rotation axis connected to the first plate 22 in a state where the first plate 22 is fixed. Thus, the included angle between the first plate 22 and the second plate 23 can be adjusted according to the required preset angle. In actual operation, the mode can be used for the first end surface of the retaining shoulder to be complete and the retaining shoulder to be damaged at other places. Specifically, the first plate 22 is fixed on the sleeper bearing T, the second plate 23 abuts against the first end face of the shoulder, and the first plate 22 and the second plate 23 are fixed. Through first dull and stereotyped 22 and second dull and stereotyped 23 swing joint can finely tune the angle of predetermineeing so that the angle of repairing the first terminal surface that obtains of keeping off the shoulder and the up end of sleeper cushion cap is more accurate, accords with the actual contained angle between the first terminal surface that the standard kept off the shoulder and the up end of sleeper cushion cap more. Through with first plane and second plane swing joint, can reduce the manufacturing degree of difficulty of the predetermined contained angle of setting element. And a more accurate preset included angle can be obtained through actual adjustment.

Optionally, when the positioning element 2 is installed, the second plate 23 may be attached to the first end surface to position the positioning element 2, and then the positioned positioning element 2 fixes the first plate 22 on the sleeper bearing table T through the positioning hole 21, so that the positioning element 2 is fixed to the sleeper bearing table T.

In some embodiments, as shown in fig. 4, the molding member 1 includes two side plates 11 disposed at intervals and a cover plate 12 disposed on the upper end surfaces of the two side plates 11, and the two side plates 11 and the cover plate 12 form a cavity; the two side plates 11 are connected with a second plate 23. The upper end surface of the retaining shoulder in the embodiment of the utility model is arc-shaped, and the upper end surface of the side plate 11 which is oppositely arranged and the cover plate 12 which is connected with the upper end surface are also arc-shaped. The cover plate 12 is fixedly connected to the upper end surfaces of the two side plates 11 to form a cavity structure with two open ends. As shown in fig. 4, one end of the molding member 1 is opened toward the first end surface of the shoulder for connection with the second plate 23, and the other end is opened toward the rail plate.

The two side plates 11 are connected with a second flat plate 23, namely, the positions corresponding to the two side plates 11 are provided with fixed connecting devices on the second flat plate 23. The specific end surface of the side plate 11 is not limited to being connected to the second plate 23, and may be the end surface on the opposite side of the side plate 11, or the end surface of the second plate 23 facing the side plate 11. The distance between the two side plates 11 is slightly greater than or equal to the width of the shoulder, i.e. the width of the sleeper bearing platform, so that the contour of the inner edge of the cavity formed by the molding unit 1 coincides with the standard outer contour of the shoulder. In the embodiment of the utility model, the second plate 23 is connected with two end faces of the two side plates 11, which are opposite to the second plate 23. In this way, the second plate 23 blocks the opening at one end of the cavity S, and the opening R for pouring cement mortar may be opened on the cover plate, or on the side plate 11, or on the second plate 23, in the case that the opening at the other end of the cavity S faces the track plate. The specific position of the opening is not limited, and the opening can be set according to actual requirements. The opening R for pouring cement mortar in the embodiment of the present invention is provided on the cover plate 12. It should be noted that, because the preset included angle between the second flat plate 233 and the first flat plate 22 is a fixed value in the same sleeper, in order to make the second flat plate 23 and the two side plates 11 fit together, an included angle between a plane where end surfaces of the two side plates facing the second flat plate 23 are located and a plane where an upper end surface T1 of the sleeper bearing platform is located is the preset included angle.

Specifically, as shown in fig. 3 and 4, the shoulder repair mold further includes an anchor member; two ends of the second flat plate 23 in the length direction are respectively provided with a kidney-shaped groove 24, and the kidney-shaped grooves 24 extend along the width direction of the second flat plate 23; the anchoring member can be inserted into the kidney slot 24 to anchor the second plate 23 to the side plate 11. The second plate 23 has a longitudinal direction as indicated by an arrow in the figure, and a direction perpendicular to the longitudinal direction on the second plate 233 is a width direction. That is, the molding member 1 is fixed to the second plate 233 by an anchor member, wherein the end surface of the side plate 11 facing the second plate 233 is provided with an anchoring hole 14, and the anchor member is inserted into the kidney-shaped groove 24 and the anchoring hole 14 to fix the molding member 1 to the second plate 23. The kidney-shaped groove 24 can ensure that the anchoring holes 14 can be corresponding to anchoring parts, so that the anchoring position is accurate, and the positioning precision of the die is improved.

Optionally, the molding unit 1 is provided with a mounting rod 13, the mounting rod 13 is overlapped on the two side plates 11, correspondingly, as shown in fig. 3, the positioning unit 2 is provided with a mounting bolt 25 connected with the mounting rod 13, and the mounting rod 13 and the mounting bolt 25 are connected to form the structure shown in fig. 1 and fig. 2. The primary connection of the molding member 1 and the positioning member 2 can be realized by arranging the mounting rod 13 and the mounting bolt 25, so that the subsequent installation of the anchoring member is facilitated to further fix the molding member 1 and the positioning member 2.

Along the height direction, the positioning piece 2 is arranged at a distance from the bottom of the molding piece 1. Because the repairing mould of the utility model takes the sleeper bearing platform as a positioning reference, the first flat plate 22 is fixed on the sleeper bearing platform T, the blocking shoulders P are positioned at two sides of the sleeper bearing platform T, and the bottom surface of the molding component 1 is attached to the track plate, therefore, after the positioning element 2 is fixedly connected with the molding component 1, the positioning element 2 and the bottom of the molding component 1 are separated by a certain distance along the height direction, and the distance is equal to the thickness of the sleeper bearing platform. Therefore, the second plate 23 is connected and fixed to the upper portions of the end surfaces of the side plates 11 facing the second plate 23.

Alternatively, in some implementations, as shown in fig. 5, the protrusions 15 extend from the lower portions of the two side plates, and the protrusions 15 can be attached to the two sides of the sleeper bearing platform T, so that the molded component 1 is attached to the two sides of the sleeper bearing platform by the protrusions 15 before the second flat plate 23 is connected to the molded component 1 by the anchor members, so as to achieve the preliminary limit of the molded component 1.

The utility model also provides a method for repairing the shoulder, which applies a repairing die, wherein the repairing die comprises a molding part and a positioning part, the positioning part is provided with a positioning hole, as shown in figure 6, the method for repairing the shoulder comprises the following steps:

and step S1, coinciding the axis of the positioning hole of the positioning piece with the axis of the reserved hole on the sleeper bearing platform.

Specifically, the preformed hole on the sleeper cushion cap can be set up in advance, only be used for with the locating hole coincidence fixed, also can be the preformed hole that is used for other devices to fix in the sleeper system, for example when the sleeve in the fastener system is installed, need place after punching on the sleeper cushion cap. The preformed hole can be correspondingly arranged according to the specific structure of the positioning piece.

And step S2, the positioning bolt is arranged in the positioning hole and the reserved hole in a penetrating mode so that the positioning piece is fixed on the sleeper bearing platform, namely the repairing mould takes the sleeper bearing platform as a positioning reference.

And step S3, fixedly connecting the finished modules with the positioning pieces.

In the repair mold, the molding part is provided with a cavity, and the contour of the inner edge of the cavity is superposed with the standard outer contour of the shoulder, so that the molding part is the mold for forming the new shoulder. Therefore, on the basis of fixing the positioning piece, the molding piece can be positioned by fixedly connecting the molding piece and the positioning piece. When the molding part is normally placed, an opening at one end of the cavity faces the track plate, so that the molding part can be directly sleeved on the outer side of the damaged retaining shoulder aiming at the partially damaged retaining shoulder. The positioning piece and the molding piece are fixedly connected together to form a repair die of a shoulder which can be used for pouring cement mortar.

Step S4: and pouring cement mortar into the opening of the repair mould. The openings for the placement of cement mortar can be provided on the molding elements and also on the positioning elements.

Step S5: and after the cement mortar is hardened, removing the repairing mold. Specifically, the molding part and the positioning part are firstly removed, and then the positioning bolt of the positioning part is removed.

It should be noted that, in order to ensure the positioning accuracy and the repair accuracy of the shoulder blocks, the shoulder block repair mold in the embodiment of the present invention is only used for repairing the shoulder block at one end of the sleeper bearing platform, and in a specific case, if the shoulder blocks at two ends of the sleeper bearing platform need to be repaired at the same time, two sets of repair molds can be prefabricated. Grouting and repairing the retaining shoulders at the two ends respectively.

In some embodiments, the positioning member further comprises a first flat plate and a second flat plate, the first flat plate is connected with the second flat plate, and the first flat plate is provided with a positioning hole; as shown in fig. 7, the difference between the repairing method and the repairing method shown in fig. 6 is that step S1 specifically includes:

and step S11, the axis of the positioning hole of the first flat plate is overlapped with the axis of the prepared hole on the sleeper bearing platform.

The first plate has certain length, width and thickness, and holes can be punched at any position on the sleeper bearing platform to be coincided with the axis of the positioning hole on the first plate.

The first flat plate is connected with the second flat plate, and a preset included angle is formed between the extending direction of the first flat plate and the extending direction of the second flat plate. The sleeper rail formed by the shoulder blocks and the sleeper bearing platform is of a concave structure, a certain included angle is formed between a plane where the first end face of the shoulder blocks close to the sleeper bearing platform is located and a plane where the upper end face of the sleeper bearing platform is located, and the included angle is the same as the preset included angle. Thus, it can be considered that the first plate abuts the sleeper bearing platform and the second plate abuts the first end face of the standard shoulder. In order to ensure that the sleeve preformed holes on the retaining shoulders of the positioning hole sleeper coincide, the distance between the center line of the positioning hole and the second baffle is equal to the distance between the sleeve preformed holes and the standard retaining shoulders.

In some embodiments, an embodiment of the present invention provides a repairing method, in which a first plate is movably connected to a second plate, so that an included angle between an extending direction of the first plate and an extending direction of the second plate is adjustable; as shown in fig. 8, the repairing method is different from the repairing method shown in fig. 7 in that between step S1 and step S2, the repairing method further includes:

step S101: and adjusting a preset included angle between the second flat plate and the first flat plate to abut against the shoulder.

Specifically, the included angle between the extending direction of the first flat plate and the extending direction of the second flat plate is equal to the included angle between the first end face of the standard blocking shoulder and the upper end face of the sleeper bearing platform, for convenience of manufacturing, the first flat plate is movably connected with the second flat plate, and when the first flat plate is fixed on the sleeper blocking shoulder, the preset angle can be properly adjusted according to the condition that the second flat plate abuts against the first end face. Thus, compared with the mode that the first flat plate is fixedly connected with the second flat plate, the mode can reduce the error of manufacture and the convenience of manufacture.

In some embodiments, the side plates are provided with anchoring holes, the molding member includes two side plates, the shoulder repairing mold further includes an anchoring member, both ends of the second plate in the length direction are respectively provided with a kidney-shaped groove, the repairing method is as shown in fig. 9, and the repairing method is different from the repairing method shown in fig. 7 in that step S3 specifically includes:

step S31: and aligning the anchoring holes on the two side plates to the kidney-shaped grooves at the two ends of the second flat plate respectively, and moving and adjusting the anchoring holes so that the anchoring holes are arranged in the width ranges of the corresponding kidney-shaped grooves respectively.

The anchoring holes can be arranged on the two opposite end surfaces of the two side plates, or can be arranged on the end surfaces of the side plates facing the second flat plate, and the installation positions of the anchoring parts are different according to the positions of the anchoring holes. In the embodiment of the utility model, the end face of the side plate facing the second flat plate is provided with the anchoring hole so as to be convenient for being attached to the second flat plate. At least two holes are arranged on each side plate, so that the finished module can be stably connected with the second flat plate.

The kidney-shaped groove extends for a preset distance along the direction of the second flat plate; a plurality of mounting holes on the side plate extend along the end face of the second side plate, and the distance from the first hole to the last hole is smaller than or equal to a preset distance. When the second flat plate is attached to the two side plates by adjusting the mounting holes on the side plates, the plurality of holes are just corresponding to the kidney-shaped grooves.

Step S32: the anchoring piece is arranged through the kidney-shaped groove and the hole so that the second flat plate is fixed on the side plate. Thus, the anchoring member can be inserted into the slot and the hole. The position of the anchoring piece is adjustable by arranging the kidney-shaped groove, and the anchoring piece corresponds to the anchoring hole in the side plate, so that the installation precision is further ensured.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (7)

1. A repair mold for a retaining shoulder, comprising:

the molding piece is provided with a cavity, and the inner edge contour of the cavity is superposed with the standard outer contour of the retaining shoulder;

the positioning piece is connected with the molding piece and provided with a positioning hole; the positioning hole is used for positioning the positioning piece;

an opening is arranged on the molding piece or the positioning piece and communicated with the cavity.

2. The repair mold defined in claim 1, wherein the positioning member comprises a first plate and a second plate connected to the first plate, the positioning holes being provided in the first plate, the second plate being connected to the molding member.

3. The repair mold defined in claim 2, wherein a predetermined angle is formed between the direction of extension of the first plate and the direction of extension of the second plate.

4. The repair mold defined in claim 3, wherein the first plate is movably connected to the second plate.

5. The repair mold as claimed in claim 2, wherein the molding member comprises two side plates arranged at intervals and a cover plate arranged on the upper end surfaces of the two side plates, and the two side plates and the cover plate form the cavity; the two side plates are connected with the second flat plate.

6. The repair mold of claim 5, wherein the shoulder repair mold further comprises an anchor; two ends of the second flat plate in the length direction are respectively provided with a kidney-shaped groove, and the kidney-shaped grooves extend along the width direction of the second flat plate; the anchoring piece can penetrate through the kidney-shaped groove to anchor the second flat plate on the side plate.

7. Repair mould according to claim 1, characterized in that the positioning element is spaced apart from the bottom of the mould part in the height direction.

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