Auxiliary device for paving precision of CRTS III type track slab
By designing the CRTSⅢ type track plate paving accuracy auxiliary device, the problem of insufficient self-contained concrete layer accuracy control in the existing technology is solved, and the precise paving and efficient construction of track plates are achieved.
Patent Information
- Application Number
- CN202420580222.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-25
- Publication Date
- 2025-05-06
- Estimated Expiration
- 2034-03-25
AI Technical Summary
In the prior art, when laying CRTSⅢ type track slabs, the accuracy of the self-contained concrete layer is insufficient, resulting in inconvenience in construction and the inability to ensure the laying accuracy of the track slabs, which increases working time and reduces efficiency.
A CRTS III type track plate paving accuracy auxiliary device is designed, including a first positioning plate, a second positioning plate, a measuring plate and an extension plate, and the precise alignment and height measurement of the track plate is achieved through threaded nails and connecting slides.
The precise paving of track plates is achieved, secondary paving and repeated fine adjustment are avoided, paving difficulty and working time are reduced, working efficiency is improved, and the quality and safety of track plates are ensured.
Smart Images
Figure CN222834667U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of railway track construction, in particular to a CRTSⅢ type track slab paving precision auxiliary device. Background Art
[0002] CRTS is a new type of ballastless track consisting of a concrete base, a self-compacting layer, a track slab, fasteners and rails. Among them, the CRTS III track slab is a new type of post-tensioned track slab independently developed by my country that combines the advantages of Japan's CRTS I track slab and Germany's CRTS II track slab. It has the advantages of simple structure, stable performance, material saving, convenient construction, relatively improved work efficiency, relatively low cost, and can be applied to high-speed railways with a speed of 300 kilometers per hour and above. It has become an important symbol of the localization of my country's high-speed railway ballastless track technology.
[0003] When laying CRTS III track slabs at existing construction sites, a self-compacting concrete layer needs to be reserved between it and the base plate below. The precision control of the self-compacting concrete layer is relatively simple and primitive, and is only carried out by manual auxiliary measurement during laying with a handheld square. This primitive precision auxiliary measurement not only causes inconvenience in construction, but also fails to guarantee the laying accuracy of the track slab, and may even cause secondary laying, greatly increasing working time and reducing work efficiency. In addition, secondary laying or fine adjustment of the track slab will lead to an increase in the number of thread reversals, which will in turn damage the track slab and pose a hidden danger to the quality and safety of the ballastless track. Summary of the invention
[0004] The utility model aims to provide a CRTSⅢ type track slab paving precision auxiliary device in view of the defects of the prior art.
[0005] In order to achieve the above purpose, the utility model can adopt the following technical solutions:
[0006] The CRTSⅢ type track plate paving accuracy auxiliary device described in the utility model comprises a first positioning plate horizontally arranged along the length direction of the rail support platform, a pair of threaded spikes which are screwed in a one-to-one correspondence with the spike holes on the rail support platform are vertically penetrated on the first positioning plate, one end of the first positioning plate is vertically bent downward to form a first measuring plate, and a first scale mark is arranged on the upper height direction of the first measuring plate; a connecting slide groove which is consistent with the width direction of the rail support platform is horizontally attached to the first positioning plate between the two threaded spikes, a second positioning plate is horizontally slidably mounted in the connecting slide groove, one end of the second positioning plate is vertically bent downward to form a second measuring plate, and a second scale mark is arranged on the upper height direction of the second measuring plate; an extension plate which slides up and down is clamped on both the first measuring plate and the second measuring plate, and a plurality of top fixing bolts are penetrated on the side wall of the extension plate at intervals along the height direction.
[0007] The advantage of the utility model is that the installation of the first positioning plate and the second positioning plate can be easily completed through the spike holes provided on the rail support platform of the track plate, so that the first measuring plate at the end of the first positioning plate and the second measuring plate at the end of the second positioning plate are used to keep in contact with the side of the track plate, so as to complete the precise alignment of the track plate in the left and right directions and the front and back directions; then, the extension plate slidably mounted on the first measuring plate and the second measuring plate, as well as the first scale mark on the first measuring plate and the second scale mark on the second measuring plate are used to accurately measure the installation height of the track plate, so as to ensure that the precise paving of the track plate can be completed in one time, prevent the phenomenon of secondary paving or repeated fine adjustment of the paving height of the track plate, avoid damage to the track plate, reduce the paving difficulty and operation time, and improve work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0008] Figure 1 It is a structural schematic diagram of the utility model.
[0009] Figure 2 yes Figure 1 Usage status diagram. DETAILED DESCRIPTION
[0010] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0011] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.
[0012] In addition, in the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features.
[0013] like Figure 1 , 2As shown, the CRTSⅢ type track plate paving precision auxiliary device described in the utility model includes a first positioning plate 1, the length direction of which should be consistent with the length direction of the rail support platform 200 set on the track plate 100, and horizontally overlapped on the rail support platform 200. A pair of threaded spikes 2 that are screwed in a one-to-one correspondence with the spike holes on the rail support platform 200 are vertically penetrated on the first positioning plate 1. After passing through the first positioning plate 1, the threaded spikes 2 are screwed and fixedly connected with the spike holes on the rail support platform 200, so that the first positioning plate 1 can be easily fixed horizontally on the rail support platform 200, and because the spike holes are the mounting holes on the rail support platform 200 for connecting the rails, the subsequent use of the rail support platform 200 will not be affected after the first positioning plate 1 is removed. One end of the first positioning plate 1 is bent vertically downward to form a first measuring plate 3 for measuring height. A first scale mark 4 is arranged on the first measuring plate 3 along the height direction. The first scale mark 4 is located on the outer plate surface of the first measuring plate 3 (i.e., away from the side of the rail support platform 200) to facilitate observation of the scale value.
[0014] A connecting slot 5 which is consistent with the width direction of the rail support platform 200 is horizontally attached to the first positioning plate 1 between the two screw spikes 2. A second positioning plate 6 is horizontally slidably mounted in the connecting slot 5. The second positioning plate 6 can slide in the length direction of the connecting slot 5 to adjust its horizontal position. One end of the second positioning plate 5 extends out of the connecting slot 5, and its end is bent vertically downward to form a second measuring plate 7 for measuring height. A second scale mark 8 is arranged on the upper side of the second measuring plate in the height direction. The second scale mark 8 is located on the outer plate surface of the second measuring plate 7 (i.e., away from the rail support platform 200) to facilitate observation of the scale value.
[0015] In addition, an extension plate 9 that slides up and down is mounted on the first measuring plate 3 and the second measuring plate 7. The height of the extension plate 9 is a fixed value (for example, 10 cm, 15 cm or 20 cm), and the fixed value cannot be greater than the vertical height from the top surface of the track plate 100 of the paved slab ballastless track to the top surface of the base plate 300 (generally, the thickness of the base plate 300 is not fixed and may vary according to the position of the line, but the thickness of the standard track plate 100 is 20 cm, and a self-compacting layer 400 needs to be reserved between the track plate 100 and the base plate 300, and the design height of the self-compacting layer 400 is 9 cm). A plurality of fixing bolts 10 are provided on the side wall of the extension plate 9 at intervals along the height direction. The fixing bolts 10 are horizontally screwed and provided on the side wall of the extension plate 9. The inner ends of the fixing bolts 10 provided on the side wall of the extension plate 9 located on the first measuring plate 3 should be able to support the side wall of the first measuring plate 3, and the inner ends of the fixing bolts 10 provided on the side wall of the extension plate 9 located on the second measuring plate 7 should be able to support the side wall of the second measuring plate 7, thereby fixing the upper and lower sliding positions of the two extension plates 9.
[0016] When the track slab 100 is actually laid, Figure 2 As shown, it is only necessary to lay out the paving positioning line 500 on its upper surface after the base plate 300 is laid. After the laying out is completed, the first positioning plate 1 can be fixed to the rail support 200 of the track plate 100 to be laid by means of the threaded spikes 2. Since the distance between the rail support 200 and the left and right edges of the track plate 100 is fixed when the rail support 200 is installed on the track plate 100, when the first positioning plate 1 is horizontally fixed on the rail support 200, the first measuring plate 3 at its end can just fit on the left side of the track plate 100 to form a positioning. At this time, according to The second positioning plate 6 is adjusted according to the distance between the rail support platform 200 and the front end of the track plate 100, so that the second measuring plate 7 at the end of the second positioning plate 6 can be attached to the front side of the track plate 100, thereby utilizing the first measuring plate 3 and the second measuring plate 7 to keep in contact with the side of the track plate 100, so that the lower edges of the inner sides of the first measuring plate 3 and the second measuring plate 7 can be aligned with the paving positioning line 500 laid in advance on the base plate 300 by the construction personnel when the track plate 100 is laid, thereby completing the precise alignment of the left and right directions and the front and back directions when the track plate 100 is laid.
[0017] After the first positioning plate 1 and the second positioning plate 6 are installed and adjusted, the construction personnel can adjust the extension plate 9 on the first measuring plate 3 and the second measuring plate 7 according to the paving positioning line 500 designed by the project management personnel and the reserved height of the self-compacting concrete layer 400 required at the current paving point. Through the fixed height of the extension plate 9 and the height from the upper edge of the extension plate 9 to the upper surface of the track plate 100, the sum of the height of the track plate 100 and the height of the self-compacting concrete layer 400 can be accurately calculated. At this time, since the height of the track plate 100 is a fixed value (generally 20 cm), the height value of the self-compacting concrete layer 400 can be accurately calculated to ensure that the height value is consistent with the self-compacting concrete layer 400 at the current point. The design requirements of the compacted concrete layer 400 are consistent. In this way, when paving the track plate 100, as long as the lower edge of the extension plate 9 is in contact with the upper surface of the base plate 300, it is proved that the pouring requirements of the self-compacting concrete layer 400 reserved at the current paving point are met. The pouring operation can be directly carried out in the subsequent self-compacting concrete layer 400 pouring process to achieve precise adjustment of the installation height of the track plate 100, ensure the laying accuracy of the track plate 100, and ensure that the precise paving of the track plate 100 can be completed in one time, preventing the occurrence of secondary paving or repeated fine-tuning of the paving height of the track plate 100, avoiding damage to the track plate 100, reducing the difficulty of paving and operation time, and improving work efficiency.
Claims
1. A CRTSⅢ type track slab paving accuracy auxiliary device, characterized by: The invention comprises a first positioning plate horizontally arranged along the length direction of the rail support platform, a pair of threaded spikes which are screwed correspondingly to the spike holes on the rail support platform are vertically penetrated on the first positioning plate, one end of the first positioning plate is vertically bent downward to form a first measuring plate, and a first scale mark is arranged on the upper height direction of the first measuring plate; a connecting slide groove which is consistent with the width direction of the rail support platform is horizontally attached on the first positioning plate between the two threaded spikes, a second positioning plate is horizontally slidably mounted in the connecting slide groove, one end of the second positioning plate is vertically bent downward to form a second measuring plate, and a second scale mark is arranged on the upper height direction of the second measuring plate; an extension plate which slides up and down is clamped on both the first measuring plate and the second measuring plate, and a plurality of top fixing bolts are penetrated on the side wall of the extension plate at intervals along the height direction.