CN218711826U

CN218711826U - Ballastless turnout construction system

Info

Publication number: CN218711826U
Application number: CN202222532861.7U
Authority: CN
Inventors: 赵晨烯; 高双进; 张扬; 赵晨; 闫尧; 谭艺伟
Original assignee: Tieke Beijing Track Equipment Technology Co ltd
Current assignee: Tieke Beijing Track Equipment Technology Co ltd
Priority date: 2022-09-23
Filing date: 2022-09-23
Publication date: 2023-03-24
Anticipated expiration: 2032-09-23

Abstract

The utility model provides a ballastless turnout construction system relates to ballastless turnout field. The ballastless turnout construction system comprises a frog and a support assembly, wherein the support assembly is arranged below the frog in a use state of the ballastless turnout construction system, and the support assembly is arranged to apply a force opposite to the gravity direction to the frog so as to support the frog. This ballastless switch system sets up supporting component through the below at the frog, supporting component can apply the power opposite with the gravity direction to the frog, make supporting component can undertake the partial gravity of frog, the deflection overproof condition appears easily in the middle part of having avoided pouring the front switch tie, and need not to reuse and transfer the backing plate and adjust, it can occupy the adjustment volume of switch operation stage to the frog to have solved ballastless switch laying in-process and has used to transfer the change backing plate, lead to having the problem that the adjustment volume is not enough in the switch operation, the adjustment volume of switch operation stage has been guaranteed.

Description

Ballastless turnout construction system

Technical Field

The application relates to the field of ballastless turnouts, in particular to a ballastless turnout construction system.

Background

The laying process of the ballastless turnout is that concrete pouring is carried out after the geometric dimension is adjusted initially, the weight of the ballastless turnout is supported by 2-3 screw rods on the turnout sleeper before pouring, the ballastless turnout comprises a frog, the weight of the frog is concentrated in the middle of the turnout sleeper, the situation of poor deflection easily occurs in the middle of part of the turnout sleeper supporting the frog before pouring, and the problem of poor level of the ballastless turnout is caused.

At present, a main adjusting mode is to increase a heightening base plate between a switch tie and a frog after pouring, the height and the levelness of the frog are adjusted by adjusting the heightening base plate, a heightening base plate with the thickness of 4mm is preset on a common ballastless turnout, the total adjusting range is-4 to +26mm, and the adjusting method is simple and visual. However, the heightening base plate is a tool for adjusting the height and the level of the frog in the road operation stage, and the heightening base plate used in the turnout laying process occupies the adjustment amount of the frog in the turnout operation stage, so that the adjustment range of the heightening base plate is smaller than-4 to +26mm in the turnout operation process, and the risk of insufficient adjustment amount exists, and the contradiction exists between the operation unit and the construction unit.

SUMMERY OF THE UTILITY MODEL

In view of this, the application provides a ballastless switch construction system, through set up supporting component in the below of frog, supporting component can apply the power opposite with the gravity direction to the frog, make supporting component can undertake the partial gravity of frog, the deflection overproof condition appears easily in the middle part of the switch pillow before having avoided pouring, and need not to reuse and transfer the high backing plate and adjust, the adjustment volume that the switch operation stage can be occupied to the frog to the change backing plate that has been used to the ballastless switch in the course of laying has been solved, lead to having the problem that the adjustment volume is not enough in the switch operation, the adjustment volume in switch operation stage has been guaranteed.

According to the application, a ballastless turnout construction system is provided, the ballastless turnout construction system comprises a frog, the ballastless turnout construction system further comprises a supporting assembly, under the use state of the ballastless turnout construction system, the supporting assembly is arranged below the frog, the supporting assembly is arranged to be capable of being right the frog applies a force opposite to the direction of gravity to support the frog.

Preferably, the ballastless turnout construction system comprises a first preset number of turnout sleepers, the turnout sleepers extend along a first direction, the first preset number of turnout sleepers are divided into a second preset number of turnout sleeper assemblies, each turnout sleeper assembly in the second preset number of turnout sleeper assemblies comprises two turnout sleepers arranged at intervals in a second direction, the supporting assembly is arranged between the two turnout sleepers in each turnout sleeper assembly, and the first direction, the second direction and the gravity direction are perpendicular to each other in pairs.

Preferably, the support assembly comprises a support portion and a fixing portion, the fixing portion penetrating the support portion, the support portion being arranged to be movable relative to the fixing portion in a direction opposite to the direction of gravity, the fixing portion being in contact with the frog.

Preferably, the support portion includes a screw and a first nut, the first nut being fixed to an upper surface of the fixing portion, the screw penetrating the first nut, the screw extending in the gravity direction.

Preferably, the fixing portion extends along the first direction, the number of the supporting portions is plural, and the plurality of supporting portions are disposed at intervals along the first direction on the fixing portion.

Preferably, the ballastless turnout construction system further comprises a pressing assembly, the pressing assembly is arranged at the end of each turnout sleeper assembly in the second preset number of turnout sleeper assemblies, and in the use state of the ballastless turnout construction system, the pressing assembly is arranged to apply force along the gravity direction to the turnout sleeper assembly.

Preferably, the pressing assembly includes a pressing portion and a connecting portion, the connecting portion connects two of the switch ties in the switch tie assembly, the pressing portion penetrates through the connecting portion, and the connecting portion is provided to be movable in the gravity direction relative to the pressing portion.

Preferably, a bearing space is formed between two of the switch tie assemblies, two ends of the connecting portion are respectively connected with the two of the switch ties assemblies, and a portion of the pressing portion is disposed in the bearing space.

Preferably, the pressing portion includes a screw rod and a second nut connected to each other, the second nut is disposed above the connecting portion, the screw rod extends along the gravity direction, and a portion of the screw rod is disposed in the bearing space.

Preferably, each switch tie assembly is provided with two pressing assemblies, the two pressing assemblies are arranged at two ends of the switch tie assembly in the first direction, and the pressing assemblies further comprise washers, and the washers are arranged between the second nuts and the connecting portions.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

Fig. 1 shows a schematic structural diagram of a ballastless turnout construction system according to an embodiment of the present invention;

fig. 2 shows a schematic cross-sectional structure diagram of a ballastless turnout construction system according to an embodiment of the present invention;

fig. 3 shows a mechanism schematic of a support assembly according to an embodiment of the invention;

fig. 4 shows a mechanism schematic of a pressing assembly according to an embodiment of the invention.

An icon: 110-frog; 111-a first straight strand; 112-a first curved strand; 121-a second straight strand; 122-a second curved strand; 130-turnout sleeper; 140-a carrying space; 200-a support assembly; 210-a support; 220-a fixed part; 221-screw; 222-a first nut; 300-a pressing assembly; 310-a connecting part; 320-a pressing part; 321-a lead screw; 322-a second nut; 330-a washer; 410-ground base; 420-ground anchor rod; l1-direction of gravity; l2-a first direction; l3-second direction.

Detailed Description

The following detailed description is provided to assist the reader in obtaining a thorough understanding of the methods, devices, and/or systems described herein. However, various changes, modifications, and equivalents of the methods, apparatus, and/or systems described herein will be apparent to those skilled in the art in view of the disclosure of the present application. For example, the order of operations described herein is merely an example, which is not limited to the order set forth herein, but rather, variations may be made in addition to operations which must occur in a particular order, which will be apparent upon understanding the disclosure of the present application. Moreover, descriptions of features known in the art may be omitted for the sake of clarity and conciseness.

The features described herein may be embodied in different forms and should not be construed as limited to the examples described herein. Rather, the examples described herein have been provided merely to illustrate some of the many possible ways to implement the methods, devices, and/or systems described herein that will be apparent after understanding the disclosure of the present application.

Throughout the specification, when an element (such as a layer, region, or substrate) is described as being "on," "connected to," coupled to, "over," or "overlying" another element, it may be directly "on," "connected to," coupled to, "over," or "overlying" the other element, or one or more other elements may be present therebetween. In contrast, when an element is referred to as being "directly on," "directly connected to," directly coupled to, "directly on" or "directly over" another element, there may be no intervening elements present.

As used herein, the term "and/or" includes any one of the associated listed items and any combination of any two or more of the items.

Although terms such as "first", "second", and "third" may be used herein to describe various elements, components, regions, layers or sections, these elements, components, regions, layers or sections should not be limited by these terms. Rather, these terms are only used to distinguish one element, component, region, layer or section from another element, component, region, layer or section. Thus, a first element, component, region, layer or section referred to in the examples described herein may be termed a second element, component, region, layer or section without departing from the teachings of the examples.

For ease of description, spatial relationship terms such as "above 8230 \8230; above", "upper", "above 8230 \8230; below" and "lower" may be used herein to describe the relationship of one element to another element as shown in the figures. Such spatial relationship terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "upper" relative to other elements would then be oriented "below" or "lower" relative to the other elements. Thus, the terms "over 8230 \ 8230;" above "include both orientations" over 8230; \8230; "over 8230;" under 8230; "depending on the spatial orientation of the device. The device may also be otherwise oriented (e.g., rotated 90 degrees or at other orientations) and the spatially relative terms used herein should be interpreted accordingly.

The terminology used herein is for the purpose of describing various examples only and is not intended to be limiting of the disclosure. The singular forms also are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," and "having" specify the presence of stated features, quantities, operations, elements, components, and/or combinations thereof, but do not preclude the presence or addition of one or more other features, quantities, operations, components, elements, and/or combinations thereof.

Variations from the shapes of the illustrations as a result, for example, of manufacturing techniques and/or tolerances, may be expected. Thus, the examples described herein are not limited to the particular shapes shown in the drawings, but include changes in shape that occur during manufacturing.

The features of the examples described herein may be combined in various ways that will be apparent after understanding the disclosure of the present application. Further, while the examples described herein have a variety of configurations, other configurations are possible, as will be apparent after understanding the disclosure of the present application.

According to the application, a ballastless turnout construction system comprises a frog, the ballastless turnout construction system further comprises a supporting assembly, under the use state of the ballastless turnout construction system, the supporting assembly is arranged below the frog, the supporting assembly is arranged to be capable of being right, the force opposite to the gravity direction is applied to the frog, and the frog is supported. Set up supporting component through the below at the frog, supporting component can apply the power opposite with the gravity direction to the frog, make supporting component can undertake the partial gravity of frog, the middle part of having avoided the switch pillow appears the amount of deflection overproof condition easily, and need not to use and turn up the backing plate and adjust, it can occupy the adjustment volume of switch operation stage to the frog to have solved the switch and laid the in-process and used the adjustment volume that the adjustment volume can occupy the switch operation stage, lead to having the problem that the adjustment volume is not enough in the switch operation, the adjustment volume of switch operation stage has been guaranteed.

As shown in fig. 1, the ballastless turnout construction system comprises a frog 110, a second straight strand 121 and a second curved strand 122, wherein the frog 110 comprises a first straight strand 111 and a first curved strand 112, and a middle position of a switch tie 130 is used for supporting the first straight strand 111 and the first curved strand 112. Before the ballastless turnout is poured, the height difference between a first straight strand 111 and a second straight strand 121 needs to be controlled within +/-1 mm, the height difference between a first curved strand 112 and a second curved strand 122 needs to be controlled within +/-1 mm, and the phenomenon of reverse superelevation cannot exist (the phenomenon that a curved lower strand is higher than a curved upper strand, in the figure 1, the curved lower strand refers to the second curved strand 122, and the curved upper strand refers to the first curved strand 112). However, because the stress of the switch tie 130 below the frog 110 is concentrated, the middle part of the switch tie 130 is prone to have poor deflection, and further the ballastless turnout has poor levelness, even the phenomenon of reverse superelevation occurs. Through setting up the below through at frog 110 and setting up supporting component 200, supporting component 200 can exert the power opposite with the gravity direction to frog 110 for supporting component 200 can undertake frog 110's partial gravity, has avoided the middle part of switch sleeper 130 to appear the amount of deflection overproof condition easily, has guaranteed the levelness of ballastless switch, has avoided the appearance of anti superelevation phenomenon.

As shown in fig. 1, the ballastless turnout construction system includes a first predetermined number of turnout sleepers 130, the turnout sleepers 130 extend along a first direction L2, the first direction L2 is perpendicular to a gravity direction L1, the first predetermined number of turnout sleepers 130 are divided into a second predetermined number of turnout sleeper assemblies, each turnout sleeper assembly includes two turnout sleepers 130 arranged at an interval in a second direction L3, the first predetermined number is twice the second predetermined number, and a support assembly 200 is arranged between two turnout sleepers 130 in the turnout sleeper assembly. Thus, the weight of the frog 110 is shared by the switch tie 130 and the support assembly 200, and the level of the turnout is ensured only for avoiding the problem that the switch tie 130 is bent and further has poor flexibility.

It should be noted that the first predetermined number does not refer to a specific number of the switch tie 130, and the first predetermined number is only for convenience of describing the arrangement position of the support assembly 200, and the specific number of the switch tie 130 may be selected according to the use environment of the ballastless switch construction system.

As shown in fig. 2 and 3, the support assembly 200 includes a support portion 210 and a fixing portion 220, the fixing portion 220 penetrates through the support portion 210, the support portion 210 forms a plate-shaped structure, an upper surface of the support portion 210 contacts a lower surface of a steel rail of the frog 110, the support portion 210 can move in a direction opposite to the gravity direction L1 (from bottom to top) relative to the fixing portion 220, when the support portion 210 moves to different positions of the fixing portion 220, that is, when the support portion 210 is located at different heights, the height of the frog 110 being supported is different, and further the height of the frog 110 being supported is adjusted, so that the levelness of the frog 110 can be adjusted.

Preferably, the support portion 210 is a steel plate.

As shown in fig. 3, the supporting portion 210 includes a screw 221 and a first nut 222, the first nut 222 is fixed on the upper surface of the supporting portion 210, the screw 221 extends along the gravity direction L1, the lower end of the screw 221 is fixed on the foundation 410 below the frog 110, the screw 221 can rotate relative to the first nut 222, and the first nut 222 moves upward along the screw 221 by tightening the screw 221, so as to drive the fixing portion 220 to move upward, thereby supporting the frog 110. When the first nut 222 is located at different positions of the screw 221, the height of the frog 110 supported by the frog is different, so that the levelness of the frog 110 is adjusted.

Preferably, the first nut 222 may be welded on the upper surface of the support portion 210.

As shown in fig. 3, the fixing portion 220 extends along the first direction L2, the supporting portions 210 may be multiple, the supporting portions 210 are disposed at intervals along the first direction L2, specifically, the first nuts 222 of the supporting portions 210 are disposed at intervals along the first direction L2 on the upper surface of the fixing portion 220, and the screws 221 are disposed on the corresponding first nuts 222, so that the supporting portions 210 are disposed.

Preferably, each support assembly includes three supports 210.

In the above, the support assembly 200 is formed into a pallet-like structure by providing the support part 210 and the fixing part 220, and the support assembly 200 jacks up the frog 110 to share the weight of the frog 110 borne by the middle part of the switch tie 130, so that the upper surface of the switch tie 130 is in a horizontal state.

In addition, as shown in fig. 1 and fig. 2, the ballastless turnout construction system further includes a pressing assembly 300, each turnout sleeper assembly is provided with the pressing assembly 300, the pressing assembly 300 is configured to apply a force along the gravity direction L1 to the turnout sleeper assembly, in this way, when the middle portion of the turnout sleeper 130 in the turnout sleeper assembly bends downwards, so that the end portion of the turnout sleeper 130 tilts upwards, the pressing assembly 300 can apply a force along the gravity direction L1 (from top to bottom) to the end portion of the turnout sleeper 130, so that the end portion of the turnout sleeper 130 moves downwards, and the levelness of the turnout sleeper 130 is further ensured.

Preferably, each switch tie assembly is provided with two pressing assemblies 300, and the two pressing assemblies 300 are arranged at two ends of the switch tie assembly in the first direction L2, so that the two pressing assemblies 300 can simultaneously apply force to the two ends of the switch tie assembly, and the levelness of the switch tie 130 in the switch tie assembly is further ensured.

As shown in fig. 2 and 4, the pressing assembly 300 includes a pressing portion 320 and a connecting portion 310, the connecting portion 310 connects two switch sleepers 130 in the switch sleeper assembly, the pressing portion 320 penetrates the connecting portion 310, the connecting portion 310 can move in the gravity direction L1 (from top to bottom) relative to the pressing portion 320, and further, the pressing portion applies a force in the gravity direction L1 to the switch sleepers 130, so as to ensure the levelness of the switch sleepers 130. Specifically, a bearing space 140 is formed between two switch ties 130 in the switch tie assembly, both ends of the connecting portion 310 are respectively connected to the two switch ties in the switch tie assembly, and a portion of the pressing portion 320 is disposed in the bearing space 140, that is, the position of the pressing portion 320 in the horizontal direction does not overlap with the position of the two switch ties 130 in the switch tie assembly in the horizontal direction.

Preferably, the pressing part 320 is formed as a rail clip.

In addition, the pressing assembly 300 further includes a gasket 330, and the gasket 330 is disposed between the connection portion 310 and the turnout sleeper assembly.

As shown in fig. 2 and 4, the pressing portion 320 includes a screw 321 and a second nut 322 connected to each other, the second nut 322 is disposed above the connecting portion 310, a washer 330 is disposed between the second nut 322 and the connecting portion 310, the screw 321 extends along the gravity direction L1, a portion of the screw 321 is located in the bearing space 140 formed between two switch sleepers 130 in the switch sleeper assembly, another portion of the screw is located in the second nut 322, a lower end of the screw 321 is welded to the ground anchor pull rod 420, and the second nut 322 is fastened to apply a force to the connecting portion 310, so that the connecting portion 310 moves downward, and further the force is applied to the switch sleeper assembly, thereby ensuring the levelness of the switch sleeper 130 in the switch sleeper assembly, and further ensuring the levelness of the ballastless switch construction system disposed on the switch sleeper 130.

Further, when the second nut 322 is located at different positions of the screw 321, the switch tie 130 is pressed down at different heights, so that the adjustment of the levelness of the switch tie 130 is realized, and further the adjustment of the level of the ballastless turnout construction system can be realized.

The above-described ballastless turnout construction system is used before and during concrete pouring, and the support assembly 200 and the pressing assembly 300 of the ballastless turnout construction system can be taken out after the concrete pouring is completed.

In the construction process from the second stage of high-speed voyage to the Qufu section in Lu-West south, the ballastless turnout construction system is applied to the laying process of turnouts No. 18 and No. 42 special for passengers, and is mainly applied to the positions with poor levelness in the concentration of the ballastless turnouts. The height difference between the first straight strand 111 and the second straight strand 121 is defined as a straight strand level, the height difference between the first curved strand 112 and the second curved strand 122 is defined as a curved strand level, and the first straight strand, the second straight strand, the first curved strand and the second curved strand on a switch tie with a switch number of 82-87 in construction of No. 18 turnout special for passenger and No. 42 turnout are used as shown in the following table.

Above, through setting up pressing component 300 and supporting component 200 for the bending can not appear before concreting at the switch sleeper in ballastless switch construction system, and then guaranteed the levelness of ballastless switch construction system after concreting. And the ballastless turnout construction system is simple in installation and adjustment steps, manpower and working hours are greatly saved, and meanwhile, because a heightening base plate is not used, the fault tolerance rate of turnout operation is improved while the cost is reduced, and more margin is provided for work adjustment.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides a ballastless switch construction system, ballastless switch construction system includes the frog, its characterized in that, ballastless switch construction system still includes supporting component under ballastless switch construction system's the user state, supporting component set up in the below of frog, supporting component is set up to be can right the frog is applyed the power opposite with the gravity direction, in order to support the frog.

2. The ballastless turnout construction system of claim 1, comprising a first predetermined number of turnout sleepers extending in a first direction, wherein the first predetermined number of turnout sleepers are divided into a second predetermined number of turnout sleeper assemblies, each of the second predetermined number of turnout sleeper assemblies comprises two turnout sleepers spaced apart in a second direction, the support assembly is arranged between the two turnout sleepers in each turnout sleeper assembly, and the first direction, the second direction and the gravity direction are perpendicular to each other.

3. The ballastless switch construction system of claim 2, wherein the support assembly comprises a support portion and a securing portion, the securing portion extending through the support portion, the support portion being configured to be movable relative to the securing portion in a direction opposite to the direction of gravity, the securing portion being in contact with the frog.

4. The ballastless turnout construction system of claim 3, wherein the support portion comprises a screw and a first nut, the first nut is fixed on the upper surface of the fixing portion, the screw penetrates through the first nut, and the screw extends along the gravity direction.

5. The ballastless turnout construction system of claim 3, wherein the fixing portion extends along the first direction, the number of the supporting portions is multiple, and the supporting portions are arranged on the fixing portion at intervals along the first direction.

6. The ballastless turnout construction system of claim 2, further comprising a press assembly, wherein the press assembly is disposed at an end of each of the second predetermined number of switch tie assemblies,

in a use state of the ballastless turnout construction system, the pressing assembly is arranged to apply a force along the gravity direction to the turnout sleeper assembly.

7. The ballastless turnout construction system of claim 6, wherein the pressing assembly comprises a pressing portion and a connecting portion, the connecting portion connects two turnout sleepers in the turnout sleeper assembly, the pressing portion penetrates through the connecting portion, and the connecting portion is configured to be movable in the gravity direction relative to the pressing portion.

8. The ballastless turnout construction system of claim 7 wherein a load bearing space is formed between two switch sleepers in the switch sleeper assembly,

two ends of the connecting part are respectively connected with two switch sleepers in the switch sleeper assembly, and the pressing part is arranged in the bearing space.

9. The ballastless turnout construction system of claim 8, wherein the pressing portion comprises a screw rod and a second nut connected to each other, the second nut is disposed above the connecting portion, the screw rod extends along the gravity direction, and a part of the screw rod is disposed in the bearing space.

10. The ballastless turnout construction system of claim 9, wherein each switch tie assembly is provided with two pressing assemblies, the two pressing assemblies are arranged at two ends of the switch tie assembly in the first direction,

the pressing assembly further comprises a washer disposed between the second nut and the connecting portion.