Anti-buoyancy and anti-lateral displacement combination device for slab track

Abstract

This utility model discloses an anti-buoyancy and anti-lateral displacement combined device for slab track, comprising: an inverted U-shaped frame, wherein the web member of the inverted U-shaped frame is located above the track slab, and two flange members are respectively located on the opposite outer sides of the two side formworks and detachably connected to the concrete base; an anti-buoyancy member, the height of which is adjustable and connected to the web member, so that the height of the anti-buoyancy member is adjusted to abut against the track slab to prevent the track slab from floating; and two anti-lateral displacement members, the two anti-lateral displacement members being adjustable along the axial position of the web member to the two flange members, so that the positions of the two anti-lateral displacement members are adjusted to abut against the two side formworks to prevent the two side formworks from moving outward. The above-mentioned anti-buoyancy and anti-lateral displacement combined device reduces the construction space occupation.

Description

Technical Field

[0001] This utility model relates to the field of building construction technology, and in particular to an anti-buoyancy and anti-lateral displacement combined device for slab track. Background Technology

[0002] In recent years, with the rapid development of urban rail transit, ballastless track has been widely used in track construction due to its advantages such as high construction efficiency, good structural stability and long service life.

[0003] The ballastless track consists of a concrete base, a self-compacting concrete filling layer, and a track slab. After the concrete base is poured, pads are placed on it for the precast track slab to rest on, creating a pouring space for the filling layer between the precast track slab and the concrete base. Formwork is set around the pouring space of the filling layer, and self-compacting concrete is poured into the pouring space to form the filling layer. However, during the pouring of the self-compacting concrete, the precast track slab will float and the surrounding formwork will shift laterally. Traditionally, diagonal bracing is used to support the formwork and prevent it from shifting laterally. However, when the track is located in a tunnel, the space inside the tunnel is small and the construction space on both sides of the track is limited. Adding diagonal bracing further reduces the usable space inside the tunnel, resulting in limited construction space, installation difficulties, and difficulties in selecting construction machinery. Utility Model Content

[0004] The purpose of this utility model is to overcome the defects of the prior art and provide an anti-buoyancy and anti-lateral displacement combined device for slab track. When pouring self-compacting concrete into the filling layer, it not only prevents the track slab from floating, but also prevents the template from shifting laterally, thus improving the construction accuracy. In addition, it does not occupy construction space.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is an anti-buoyancy and anti-lateral displacement combined device for slab track, comprising:

[0006] An inverted U-shaped frame, wherein the web members of the inverted U-shaped frame are located above the track slab, and the two flange members are located on the opposite outer sides of the two side templates and are detachably connected to the concrete base;

[0007] An anti-buoyancy component, which is height-adjustable to the web member, is used to prevent the track plate from floating by adjusting its height.

[0008] Two anti-lateral displacement components are provided, which are adjustablely connected to the two flange rods along the axial position of the web member. By adjusting the position of the two anti-lateral displacement components, they are made to abut against the two side templates respectively, so as to prevent the two side templates from moving outward.

[0009] A further improvement of this utility model for the anti-buoyancy and anti-lateral displacement combination device for slab track is that the number of the anti-buoyancy and anti-lateral displacement combination devices is multiple, and the multiple anti-buoyancy and anti-lateral displacement combination devices are arranged at intervals along the laying direction of the track slab.

[0010] A further improvement of this utility model for an anti-buoyancy and anti-lateral displacement assembly for slab track is that the anti-buoyancy component includes:

[0011] The first screw has a first threaded hole vertically opened on the web for the first screw to be screwed through, and the length of the first screw is greater than the depth of the first threaded hole;

[0012] An anti-floating top component is located below the web rod and connected to the bottom end of the first screw rod. The size of the anti-floating top component is larger than the size of the first threaded hole.

[0013] A further improvement of this utility model for the anti-buoyancy and anti-lateral displacement combination device for slab track is that the number of anti-buoyancy components is multiple, and the multiple anti-buoyancy components are arranged at intervals along the axial direction of the web member.

[0014] A further improvement of this utility model for the anti-buoyancy and anti-lateral displacement combination device for slab track is that the anti-lateral displacement component includes a second screw, and a second threaded hole is provided on the flange rod along the axial direction of the web rod for the second screw to be screwed through. In the limited state of the template, the second screw is screwed through the second threaded hole and abuts against the opposite outer side of the corresponding template.

[0015] A further improvement of this utility model for the anti-buoyancy and anti-lateral displacement combined device for slab track is that the bottom ends of both flange rods are connected to connecting plates for supporting and fixing to the concrete base.

[0016] Compared with the prior art, the advantages of this utility model are:

[0017] By integrating anti-buoyancy components and anti-lateral displacement components onto the inverted U-shaped frame, the problems of track slab floating and template lateral displacement are solved, while also reducing the construction space required. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a front view of the structure of the anti-buoyancy and anti-lateral displacement combined device for slab track of this utility model.

[0020] Figure 2 This is a front view of the anti-buoyancy and anti-lateral displacement combined device for slab track of this utility model in use.

[0021] Figure 3 This is a top view of the anti-buoyancy and anti-lateral displacement combined device for slab track of this utility model in use.

[0022] In the diagram: 1. Web member; 2. Flange member; 3. First screw; 4. Anti-buoyancy component; 5. Rotating handle; 6. Connecting plate; 7. Anchor bolt; 8. Second screw; 9. Concrete base; 10. Track slab; 11. Formwork. Detailed Implementation

[0023] The following specific examples illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. This utility model can also be implemented or applied through other different specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of this utility model.

[0024] The following description, in conjunction with the accompanying drawings and specific embodiments, provides a more detailed explanation of the anti-buoyancy and anti-lateral displacement combination device for slab track of this utility model.

[0025] Please see Figures 1-3 An anti-buoyancy and anti-lateral displacement assembly for slab track includes:

[0026] An inverted U-shaped frame, wherein the web member 1 of the inverted U-shaped frame is located above the track plate 10, and the two flange members 2 are located on the opposite outer sides of the two side templates 11 and are detachably connected to the concrete base 9;

[0027] An anti-buoyancy component is connected to the web rod 1 in adjustable height. By adjusting the height of the anti-buoyancy component, it abuts against the track plate 10 to prevent the track plate 10 from floating.

[0028] Two anti-lateral displacement components are provided, which are adjustablely connected to the two flange rods 2 along the axial position of the web rod 1. By adjusting the position of the two anti-lateral displacement components, they are respectively pressed against the two side templates 11 to prevent the two side templates 11 from moving outward.

[0029] By integrating anti-buoyancy components and anti-lateral displacement components onto the inverted U-shaped frame, the problems of track slab 10 floating and template 11 shifting laterally are solved, while also reducing the construction space required.

[0030] Preferably, there are multiple anti-buoyancy and anti-lateral displacement combined devices, and the multiple anti-buoyancy and anti-lateral displacement combined devices are arranged at intervals along the laying direction of the track slab 10.

[0031] By setting multiple anti-buoyancy and anti-lateral displacement combined devices, the anti-buoyancy effect of the track slab 10 is improved, the stability of the template 11 is enhanced, and lateral displacement is avoided.

[0032] Preferably, the anti-buoyancy component includes:

[0033] The first screw 3 has a first threaded hole vertically opened on the web rod 1 for the first screw 3 to be screwed through, and the length of the first screw 3 is greater than the depth of the first threaded hole;

[0034] Anti-floating component 4 is located below the web rod 1 and connected to the bottom end of the first screw rod 3. The size of the anti-floating component 4 is larger than the size of the first threaded hole.

[0035] By setting the anti-buoyancy top component 4, the top area is increased, the pressure is increased, and the anti-buoyancy effect is improved.

[0036] During anti-buoyancy operation, the first screw 3 is rotated to move the anti-buoyancy top 4 downward until it abuts against the top of the track slab 10. Since the inverted U-shaped frame is connected to the concrete base 9, the anti-buoyancy top 4 provides a reaction force when the track slab 10 has an upward buoyancy.

[0037] Specifically, the first screw 3 is also connected to a rotating handle 5, which is located above the web rod 1.

[0038] By setting the rotating handle 5, the first screw 3 can be rotated easily, thus improving its practicality.

[0039] Preferably, there are multiple anti-buoyancy components, and the multiple anti-buoyancy components are spaced apart along the axial direction of the web member 1.

[0040] By setting up multiple anti-buoyancy components, the anti-buoyancy effect was further improved.

[0041] Preferably, the anti-lateral displacement component includes a second screw 8. The flange rod 2 has a second threaded hole along the axial direction of the web rod 1 for the second screw 8 to be screwed through. In the limited state of the template 11, the second screw 8 is screwed through the second threaded hole and abuts against the opposite outer side of the corresponding template 11.

[0042] By rotating the second screw 8, its position can be easily adjusted so that it abuts against the opposite outer side of the template 11, thus improving its practicality.

[0043] Specifically, a rubber pad is connected to the end of the second screw 8 that is relatively close to the template 11, and the rubber pad is rotatably connected to the second screw 8.

[0044] By setting the rubber pad, the second screw 8 is prevented from directly pressing against the template 11, thus avoiding damage to the template 11 due to stress concentration. Instead, the rubber pad is used to press against the template 11, increasing the contact area and changing the rigid contact to a flexible release, further protecting the template 11.

[0045] Preferably, the bottom ends of both flange rods 2 are connected to connecting plates 6 for supporting and fixing to the concrete base 9.

[0046] Specifically, the connecting plate 6 is connected to the concrete base 9 by anchor bolts 7, which are pre-embedded in the concrete base 9. The connecting plate 6 has through holes for the anchor bolts 7 to pass through and connect.

[0047] The above connection method improves the connection stability between the inverted U-shaped frame and the concrete base 9.

[0048] It should be noted that the structures, proportions, sizes, etc., illustrated in the accompanying drawings are merely for illustrative purposes to aid those skilled in the art and are not intended to limit the scope of this invention. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in proportions, or adjustments to size, without affecting the effectiveness and purpose of this invention, should still fall within the scope of the disclosed technical content. Furthermore, the terms "upper," "lower," "left," "right," "middle," and "one" used in this specification are merely for clarity and not intended to limit the scope of this invention. Changes or adjustments to their relative relationships, without substantially altering the technical content, should also be considered within the scope of this invention.

[0049] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to a preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present utility model's technical solution. Any simple modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of the present utility model without departing from the content of the present utility model's technical solution shall still fall within the scope of the present utility model's technical solution.

Claims

1. A combined anti-buoyancy and anti-lateral displacement device for slab track, characterized in that, include: An inverted U-shaped frame, wherein the web members of the inverted U-shaped frame are located above the track slab, and the two flange members are located on the opposite outer sides of the two side templates and are detachably connected to the concrete base; An anti-buoyancy component, which is height-adjustable to the web member, is used to prevent the track plate from floating by adjusting its height. Two anti-lateral displacement components are provided, which are adjustablely connected to the two flange rods along the axial position of the web member. By adjusting the position of the two anti-lateral displacement components, they are made to abut against the two side templates respectively, so as to prevent the two side templates from moving outward.

2. The anti-buoyancy and anti-lateral displacement combined device for slab track as described in claim 1, characterized in that, The number of the anti-buoyancy and anti-lateral displacement combined devices is multiple, and the multiple anti-buoyancy and anti-lateral displacement combined devices are arranged at intervals along the laying direction of the track slab.

3. The anti-buoyancy and anti-lateral displacement combined device for slab track as described in claim 1, characterized in that, The anti-buoyancy component includes: The first screw has a first threaded hole vertically opened on the web for the first screw to be screwed through, and the length of the first screw is greater than the depth of the first threaded hole; An anti-floating top component is located below the web rod and connected to the bottom end of the first screw rod. The size of the anti-floating top component is larger than the size of the first threaded hole.

4. The anti-buoyancy and anti-lateral displacement combined device for slab track as described in claim 1, characterized in that, The number of anti-buoyancy components is multiple, and the multiple anti-buoyancy components are spaced apart along the axial direction of the web member.

5. The anti-buoyancy and anti-lateral displacement combined device for slab track as described in claim 1, characterized in that, The anti-lateral displacement component includes a second screw. A second threaded hole is provided on the flange rod along the axial direction of the web rod for the second screw to be screwed through. In the limited state of the template, the second screw is screwed through the second threaded hole and abuts against the opposite outer side of the corresponding template.

6. The anti-buoyancy and anti-lateral displacement combined device for slab track as described in claim 1, characterized in that, The bottom ends of both flange rods are connected to connecting plates for supporting and fixing to the concrete base.

Images