CN217869744U - Installation device for precast slab ballast bed - Google Patents
Installation device for precast slab ballast bed Download PDFInfo
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- CN217869744U CN217869744U CN202221434351.XU CN202221434351U CN217869744U CN 217869744 U CN217869744 U CN 217869744U CN 202221434351 U CN202221434351 U CN 202221434351U CN 217869744 U CN217869744 U CN 217869744U
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- ballast bed
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Abstract
The application discloses installation device for prefabricated plate ballast bed relates to prefabricated plate ballast bed frock technical field, and installation device includes the frock of starting a track, and the frock of starting a track is used for carrying out prepositioning to the prefabricated plate ballast bed, and the frock of starting a track includes: the connecting plate is used for being arranged on the side wall of the precast slab track bed; the square steel is fixed in the connecting plate, and is equipped with the screw hole that extends along vertical direction, and the screw hole is used for supplying screw rod threaded connection to support with ground after the screw hole is worn to establish by the bottom of screw rod, realize the prepositioning to the prefabricated plate ballast bed, can promote the installation effectiveness of prefabricated plate ballast bed, reduce intensity of labour.
Description
Technical Field
The application relates to the technical field of prefabricated slab ballast bed tools, in particular to a mounting device for a prefabricated slab ballast bed.
Background
Generally, the precast slab track bed is a single H4700 slab, the slot size is 100mm, the plane design is rectangular, the size is approximately 4700X 2200mm, the section base size of the precast slab track bed is 2200X 3300mm, and two right-angled triangular tuck angle cuts of 130X 3390mm are arranged at the bottom of the slab. In addition, two grouting holes are arranged on the precast slab track bed, the top of each grouting hole is an R200mm circle, the bottom of each grouting hole is an R190mm circle, the bottom of the precast slab track bed is sprayed with a 2 mm-thick tetrahydroxy complex ester isolation material, and spraying is finished before leaving the factory.
Eight pairs of rail bearing platforms are often arranged at the top of the precast slab track bed, two fastener sleeves are embedded in the rail bearing platforms, and four pairs of auxiliary sleeves are embedded in the surface of the precast slab track bed and used for hoisting in a construction site and adjusting the slab on an operation surface; four pairs of auxiliary sleeves are pre-embedded on the side surface of the precast slab ballast bed and are used for precast slab production. The precast slab track bed is a track bed of a track slab without a base, and is different from other track slabs in that; the method is characterized in that: after the track slab is erected, C40 fine stone steel fiber concrete is directly poured, a foundation-free track slab track bed is a one-step pouring forming type track slab, the clearance below the slab is 45cm, and fine adjustment cannot be performed by using a fine adjustment claw. The method has the following characteristics: the standard rail panel with the plate self weight of 8T and 25m cannot be hoisted by two 16T gantry cranes and cannot be erected by a rail panel method.
Therefore, how to provide a mounting device for conveniently mounting the precast slab ballast bed is a technical problem to be considered by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
The application aims to provide a mounting device for a precast slab ballast bed, which can improve the mounting efficiency of the precast slab ballast bed and reduce the labor intensity.
In order to realize the above-mentioned purpose, this application provides a mounting device for prefabricated plate ballast bed, including the frock of starting a track, the frock of starting a track is used for prepositioning the prefabricated plate ballast bed, and the frock of starting a track includes:
the connecting plate is used for being arranged on the side wall of the precast slab track bed;
the square steel is fixed in the connecting plate, and is equipped with the screw hole that extends along vertical direction, and the screw hole is used for supplying screw rod threaded connection to support with ground after the screw hole is worn to establish by the bottom of screw rod, realize the prepositioning to the prefabricated plate ballast bed.
In some embodiments, the connecting plate is provided with preformed holes on both sides of the square steel, and fasteners are used for mounting the connecting plate on the side wall of the precast slab track bed through the preformed holes.
In some embodiments, the connecting plate is provided with a mounting slot into which the end of the square steel extends.
In some embodiments, the connecting plate and the square steel are fixed by welding.
In some embodiments, the concrete pouring device further comprises an anti-floating tool, the anti-floating tool is used for preventing the precast slab ballast bed from floating upwards in the concrete pouring process, and the anti-floating tool comprises:
the slab body is used for being arranged on the top surface of the precast slab track bed;
one end of the extending body is connected with the slab body, the other end of the extending body extends to the outer side of the precast slab ballast bed, and the extending body is provided with a through hole;
the pull rod is detachably and fixedly connected with the through hole, and the bottom of the pull rod is fixed on the ground after penetrating through the through hole so as to prevent the precast slab track bed from floating upwards in the concrete pouring process.
In some embodiments, the pull rod is a threaded rod, a nut is screwed on the threaded rod, the outer diameter of the nut abuts against the end face of the through hole, and the nut is screwed on the end face of the through hole to fix the pull rod and the through hole.
In some embodiments, the through-holes are strip-shaped and extend along the length of the extension body to adjust the distance of the tie rods relative to the precast slab track bed.
In some embodiments, the plate body and the extension body are provided with coaxial mounting holes through which fasteners secure both the plate body and the extension body to the top surface of the precast slab track bed.
In some embodiments, the panel body is provided with fixing holes at both sides of the extension body, and the fixing member mounts the panel body on the top surface of the precast slab track bed through the fixing holes.
Compared with the background art, the installation device for the precast slab ballast bed comprises a track lifting tool, wherein the track lifting tool is used for prepositioning the precast slab ballast bed, the track lifting tool comprises a connecting plate and square steel, and the connecting plate is used for being installed on the side wall of the precast slab ballast bed; the square steel is fixed on the connecting plate and is provided with a threaded hole extending in the vertical direction, and the threaded hole is used for threaded connection of a screw rod, so that the bottom end of the screw rod penetrates through the threaded hole and then is supported with the ground, and pre-positioning of the precast slab ballast bed is achieved. The installation device who so sets up utilizes being connected of screw rod and screw hole for the position of screw rod and square steel keeps fixed, thereby realizes the pre-positioning of screw rod to prefabricated plate ballast bed, and so, it is convenient to the pre-positioning easy operation of prefabricated plate ballast bed, has effectively promoted the efficiency of construction, reduces intensity of labour.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a track lifting tool for a precast slab track bed provided in an embodiment of the present application in use;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is a front view of a track lifting tool for a precast slab track bed according to an embodiment of the present application;
FIG. 4 is a schematic structural diagram of an anti-floating tool for a precast slab track bed provided by an embodiment of the application in use;
wherein:
a precast slab ballast bed 100,
The anti-floating tool 20, a plate body 201, an extension body 202, a through hole 2021, a pull rod 203, a nut 204, a mounting hole 205 and a fixing piece 206.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In order to enable those skilled in the art to better understand the scheme of the present application, the present application will be described in further detail with reference to the accompanying drawings and the detailed description.
Referring to fig. 1 to 3, the installation device for a precast slab ballast bed 100 according to the embodiment of the present application includes a track lifting tool 10, where the track lifting tool 10 is used to pre-position the precast slab ballast bed 100, the track lifting tool 10 includes a connecting plate 101 and a square steel 102, and the connecting plate 101 and the square steel 102 are connected to each other.
The connecting plate 101 can be a steel plate, the thickness of the connecting plate can be about 20mm, the connecting plate 101 has certain strength, and the connecting plate 101 is used for being mounted on the side wall of the precast slab track bed 100; as a general arrangement, the connecting plate 101 may be fixed to the side wall of the precast slab track bed 100 by a fastener 1023 such as a bolt.
In some embodiments, the connection plate 101 is provided with a prepared hole 1022 at both sides of the square steel 102, and a fastening member 1023 such as a bolt is used to fix the connection plate 101 to the side wall of the prefabricated slab track bed 100 through the prepared hole 1022, so that the installation of the connection plate 101 and the prefabricated slab track bed 100 is facilitated, and the removal of the fastening member 1023 can also accomplish the removal of the connection plate 101 and the prefabricated slab track bed 100.
The square steel 102 is fixed on the connecting plate 101, and the square steel 102 and the connecting plate 101 can be connected in a welding mode and the like, namely the periphery of the square steel 102 is welded with the connecting plate 101, so that the stability and reliability of the structure are ensured.
The square steel 102 is provided with a threaded hole 1021 extending along the vertical direction, and the threaded hole 1021 is used for being in threaded connection with a screw rod, so that the bottom end of the screw rod is supported with the ground after penetrating through the threaded hole 1021, and the pre-positioning of the precast slab track bed 100 is realized.
In some embodiments, the connection plate 101 is provided with a mounting groove into which an end of the square steel 102 extends. The degree of depth of mounting groove can set up deeply, can ensure like this that the connection of square steel 102 and connecting plate 101 is firm reliable, and simultaneously, rethread connecting plate 101 and square steel 102's welded fastening further ensure that the structure of rise frock 10 is firm.
The track lifting tool 10 and the prefabricated slab track bed 100 are convenient and reliable to mount and dismount, meanwhile, the prefabricated slab track bed 100 is supported vertically through the screw fit of the screw rods and the threaded holes 1021, the transverse direction of the prefabricated slab track bed 100 is adjusted through the traditional inclined support of subway track laying construction, the three-dimensional position of the prefabricated slab track bed 100 can be pre-positioned, and vertical and transverse adjustment in the installation process of the prefabricated slab track bed 100 can be achieved.
In some embodiments, the installation apparatus for the precast slab ballast bed 100 includes an anti-floating tool 20, referring to fig. 4, the anti-floating tool 20 is used to prevent the precast slab ballast bed from floating up during a concrete casting process, the anti-floating tool 20 includes a plate body 201, an extension body 202, and a tie rod 203, and the plate body 201 and the extension body 202 are connected to each other.
The panel 201 is adapted to be mounted on the top surface of the prefabricated slab track bed 100, and the panel 201 may be embodied as a metal plate, and is horizontally fixed on the top surface of the prefabricated slab track bed 100.
In some embodiments, the panel body 201 is provided with fixing holes at both sides of the extension body 202, and the fixing members 206 fix the panel body 201 and the precast slab track bed 100 by mounting the panel body 201 on the top surface of the precast slab track bed 100 through the fixing holes. The fixing members 206 may be embodied as bolts or the like, so that the installation and removal of the slab 201 and the prefabricated slab track bed 100 are facilitated.
One end of the extending body 202 is connected with the plate body 201, the other end of the extending body 202 extends to the outer side of the precast slab track bed 100, the extending body 202 is provided with a through hole 2021, the extending body 202 can also be a metal plate, and the plate body 201 and the extending body 202 can be fixed in a welding mode.
The plate body 201 and the extension body 202 may be further provided with coaxial mounting holes 205, and fasteners, such as bolts, screws, etc., may be used to fix both the plate body 201 and the extension body 202 to the top surface of the precast slab track bed 100 through the mounting holes 205.
The pull rod 203 is detachably and fixedly connected with the through hole 2021, and the bottom of the pull rod 203 is fixed on the ground after the through hole 2021 is arranged in a penetrating way, so that the prefabricated slab track bed 100 is prevented from floating upwards in the concrete pouring process.
In some embodiments, the pull rod 203 is a threaded rod, a nut 204 is screwed on the threaded rod, the outer diameter of the nut 204 abuts against the end surface of the through hole 2021, and the nut 204 is screwed on the end surface of the through hole 2021 to fix the pull rod 203 and the through hole 2021, so that the position between the pull rod 203 and the extension body 202 is fixed, and the anti-floating tool 20 and the ground are kept fixed by the pull rod 203.
In some embodiments, the through hole 2021 is in a strip shape, and the through hole 2021 extends along the length direction of the extension body 202 to adjust the distance between the pull rod 203 and the precast slab track bed 100, so that the applicability of the anti-floating tool 20 can be improved, the position of the pull rod 203 can be adjusted according to an actual construction site, and the operation is convenient.
In the laying stage, the track lifting tool 10 and a screw (which can be a screw rod) are firstly utilized to carry out coarse adjustment positioning on the precast slab track bed 100, after about 100m of coarse laying is carried out, the anti-floating tool 20 is installed, a shield under the anti-floating tool 20 or a 16# open expansion bolt is installed at each position of the bottom of the structure, a pull rod 203 (one end O type) of 70cm can be adopted to be connected with an extension body 202 to prevent floating during concrete pouring, the effect of enhancing the stability of the precast slab track bed 100 is achieved, the next procedure is installation of a fastener on a connecting rail and a ditch cover plate, and finally concrete pouring and track bed curing are carried out.
It can be seen that the anti-floating tool 20 can ensure that the precast slab ballast bed 100 and the foundation structure form a vertical connection, and can ensure that the precast slab ballast bed 100 does not float in the concrete pouring process, thereby effectively solving the hidden danger of floating of the precast slab ballast bed 100 and simultaneously effectively improving the laying precision of the precast slab ballast bed 100.
The installation device for the precast slab ballast bed provided by the application is described in detail above. The principles and embodiments of the present application are explained herein using specific examples, which are provided only to help understand the method and the core idea of the present application. It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present application without departing from the principle of the present application, and such improvements and modifications also fall within the scope of the claims of the present application.
Claims (9)
1. The utility model provides a installation device for prefabricated plate ballast bed, its characterized in that, includes the frock of rising the way, the frock of rising the way is used for prepositioning the prefabricated plate ballast bed, the frock of rising the way includes:
the connecting plate is used for being arranged on the side wall of the precast slab track bed;
the square steel is fixed on the connecting plate and is provided with a threaded hole extending in the vertical direction, and the threaded hole is used for threaded connection of a screw rod, so that the bottom end of the screw rod penetrates through the threaded hole and then is supported on the ground, and pre-positioning of the precast slab ballast bed is achieved.
2. The mounting apparatus for precast slab ballast bed according to claim 1, wherein the connection plate is provided with prepared holes at both sides of the square steel, and fastening members are installed on the side walls of the precast slab ballast bed through the prepared holes.
3. The mounting apparatus for a precast slab ballast bed according to claim 1, wherein the connection plate is provided with a mounting groove into which an end of the square steel protrudes.
4. The mounting apparatus for a precast slab ballast bed according to claim 3, wherein the connecting plate and the square steel are welded and fixed.
5. The mounting device for a precast slab ballast bed according to claim 1, further comprising an anti-floating tool for preventing the precast slab ballast bed from floating up during a concrete pouring process, the anti-floating tool comprising:
the slab body is used for being arranged on the top surface of the precast slab track bed;
one end of the extending body is connected with the plate body, the other end of the extending body extends to the outer side of the precast slab ballast bed, and the extending body is provided with a through hole;
the pull rod is detachably and fixedly connected with the through hole, and the bottom of the pull rod penetrates through the through hole and then is fixed on the ground so as to prevent the prefabricated slab track bed from floating upwards in the concrete pouring process.
6. The mounting device for the precast slab ballast bed according to claim 5, wherein the pull rod is a threaded rod, a nut is screwed on the threaded rod, the outer diameter of the nut abuts against the end surface of the through hole, and the nut is screwed and fixed on the end surface of the through hole to fix the pull rod and the through hole.
7. The installation apparatus for precast slab ballast bed according to claim 5, wherein the through-hole is formed in a bar shape and extends in a length direction of the extension body to adjust a distance of the tie bar with respect to the precast slab ballast bed.
8. The mounting arrangement for a precast slab ballast bed of claim 5, wherein the plate body and the extension body are provided with coaxial mounting holes through which fasteners fix both the plate body and the extension body to the top surface of the precast slab ballast bed.
9. The installation apparatus for precast slab ballast bed according to claim 5, wherein the plate body is provided with fixing holes at both sides of the extension body, and a fixing member is installed on the top surface of the precast slab ballast bed through the fixing holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221434351.XU CN217869744U (en) | 2022-06-07 | 2022-06-07 | Installation device for precast slab ballast bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221434351.XU CN217869744U (en) | 2022-06-07 | 2022-06-07 | Installation device for precast slab ballast bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217869744U true CN217869744U (en) | 2022-11-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221434351.XU Active CN217869744U (en) | 2022-06-07 | 2022-06-07 | Installation device for precast slab ballast bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217869744U (en) |
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2022
- 2022-06-07 CN CN202221434351.XU patent/CN217869744U/en active Active
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