CN211734881U - Reaction frame for prefabricating track plate - Google Patents
Reaction frame for prefabricating track plate Download PDFInfo
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- CN211734881U CN211734881U CN202020085836.7U CN202020085836U CN211734881U CN 211734881 U CN211734881 U CN 211734881U CN 202020085836 U CN202020085836 U CN 202020085836U CN 211734881 U CN211734881 U CN 211734881U
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Abstract
The utility model relates to a reaction frame for prefabricating track slabs, which is characterized by comprising a pressure bar arranged above the prefabricating track slab, and two support pieces arranged at the bottom of the pressure bar, wherein the two support pieces are respectively positioned at two sides of the pressure bar in the length direction; the lateral pressing structures are arranged on two sides of the prefabricated track slab lateral formwork, so that the supporting pieces apply lateral pressure to the prefabricated track slab lateral formwork through the lateral pressing structures; and the two side pulling mechanisms are respectively positioned at the two ends of the pressing rod. The application provides a reaction frame for prefabricating track board can solve prefabricated track board and fill the come-up problem of in-process prefabricated track board at the self-compaction, ensures the precision of prefabricated track board.
Description
Technical Field
The utility model belongs to the technical field of railway rails lays and specifically relates to a reaction frame for prefabricating track board.
Background
At present, the shield method tunnel construction technology is widely applied to the fields of domestic subway construction, municipal water delivery tunnels, electric power tunnels and the like. In the urban rail transit construction process, a track slab track bed is usually prefabricated firstly, so that the purpose of accelerating the construction progress is achieved.
The prefabricated track slab track bed comprises a reinforced concrete base, a self-compacting concrete filling layer and a prefabricated track slab, and the main construction steps are as follows: the construction of the reinforced concrete base is firstly completed, then the prefabricated track slab is laid, after the prefabricated track slab is laid, coarse adjustment, fine adjustment and template installation operation are carried out, and finally the middle layer is self-compacting poured. Because the self-compaction concrete performance can produce very big buoyancy on flowing in self-compaction concrete's pouring, huge buoyancy on can directly lead to the track prefabricated plate come-up, produces too big offset even, will directly influence the precision of the prefabricated track board that has adjusted.
SUMMERY OF THE UTILITY MODEL
Solve the technical problem, an object of the utility model is to provide a reaction frame for prefabricating track board can solve prefabricated track board and fill the come-up problem of in-process prefabricated track board at the self-compaction, ensures the precision of prefabricated track board.
The technical scheme of the utility model as follows:
a reaction frame for prefabricating a track plate, which comprises a compression bar arranged above the prefabricating track plate,
the two supporting pieces are arranged at the bottom of the pressure rod and are respectively positioned at two sides of the length direction of the pressure rod;
the lateral pressing structures are arranged on two sides of the prefabricated track slab lateral formwork, so that the supporting pieces apply lateral pressure to the prefabricated track slab lateral formwork through the lateral pressing structures;
and the two side pulling mechanisms are respectively positioned at the two ends of the pressing rod.
Preferably, a pressure lever preformed hole is arranged on the pressure lever,
the side pulling mechanism comprises a fastener penetrating through the preformed hole of the pressure lever,
an anchoring ring connected with the hand hole of the wall of the subway shield pipe,
and the hook component is used for connecting the anchoring ring and the buckle component.
Preferably, the fastener is a U-shaped fastener.
Preferably, one end of the anchoring ring is annular, the other end of the anchoring ring is L-shaped, and one L-shaped end of the anchoring ring is inserted into the hand hole in the wall of the subway shield.
Preferably, the anchoring ring has a diameter greater than 20 mm.
Preferably, the hook member is adjustable in length.
Preferably, the side pressing structure includes a base plate contacting an inner side of the supporter,
and the lateral pressing piece penetrates through the base plate and acts on the lateral formwork of the prefabricated track slab.
Preferably, the lateral pressing member is screwed with the base plate.
Preferably, a stop block is arranged on the lateral pressing piece.
Preferably, there are at least two side presses.
The utility model provides a pair of a reaction frame for prefabricated track board, mainly be applied to the subway and execute work and use, the depression bar of locating prefabricated track board top from top to bottom applys vertical pressure to prefabricated track board, the ascending both sides of depression bar length direction are equipped with two support piece, support piece passes through the side pressure structure and applys lateral pressure to prefabricated track board side direction template, and, side pull mechanism constructs pipe wall hand hole with depression bar tip and subway shield and is connected, the side pull mechanism applied lateral tension decomposes into decurrent power and the horizontal force to the depression bar lateral part, because side pull mechanism is provided with two, be located the depression bar both sides respectively, therefore, the horizontal force that two side pull mechanisms decomposed offsets each other, all only remain decurrent power. Therefore, the utility model provides a prefabricated track board's reaction frame can provide vertical pressure and lateral pressure for prefabricated track board, has restricted prefabricated track board height and width direction's degree of freedom, and then has solved prefabricated track board at the come-up problem of self-compaction filling in-process prefabricated track board, ensures the precision of prefabricated track board.
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 described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of a reaction frame for prefabricating a track slab in the embodiment;
fig. 2 is a schematic structural diagram of a side pulling mechanism of the reaction frame for prefabricating the track slab in the embodiment.
Reference numbers in the drawings illustrate: 1. prefabricating a track slab; 2. a pressure lever; 3. a support member; 4. a side pressing structure; 5. prefabricating a track slab lateral formwork; 6. a side pulling mechanism; 61. a fastener; 62. an anchoring ring; 63. pulling the hook piece; 64. a substrate; 65. a side casting part; 7. the hole is reserved on the pressure lever.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, 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 the description of the present invention, it is to be understood that the terms "upper", "lower", and the like, indicate orientations or positional relationships, and are used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same or similar parts in the embodiments are referred to each other.
The track bed of the prefabricated track slab 1 can be applied to high-speed railways and subways, and the prefabricated track slab 1 can be fixed in a mode of implanting steel bars into a base due to the fact that the operation construction environment of the high-speed railways is superior. But subway construction has more limitations because of belonging to tunnel construction. The method is characterized by comprising the following three points:
firstly, the radius of the curve of the subway line is generally small, the exposed height change of the side surface of the reinforced concrete substrate is large, the substrate is fixed by implanting the steel bars under the condition that the exposed thickness of the side surface of the substrate is insufficient, and the problem that the substrate is directly damaged and cracked due to overlarge stress can occur. Secondly, the subway operation space is narrow and small, and the reinforcing bar is implanted to the basement under current construction technology condition, can't effectively go on. Thirdly, due to the requirement of construction quality, holes cannot be punched on the wall of the tunnel tube, the wall of the tunnel tube is damaged, and therefore fixing cannot be achieved in a tunnel tube wall anchoring mode.
Please show as fig. 1 to fig. 2, the utility model provides a pair of prefabricated track board 1's reaction frame, mainly be applied to subway and execute work and use, the depression bar 2 of locating prefabricated track board 1 top from top to bottom exerts vertical pressure to prefabricated track board 1, the ascending both sides of depression bar 2 length direction are equipped with two support piece 3, support piece 3 exerts lateral pressure to prefabricated track board side direction template 5 through side pressure structure 4, and, side pull mechanism 6 is connected depression bar 2 tip and subway shield pipe wall hand hole, the side pull force that side pull mechanism 6 was exerted decomposes into the horizontal force to the depression bar 2 lateral part with down the power, because side pull mechanism 6 is provided with two, be located depression bar 2 both sides respectively, consequently, the horizontal force that two side pull mechanisms 6 decomposed offsets each other, all only remain down the power. Therefore, the utility model provides a prefabricated track board 1's reaction frame can provide vertical pressure and lateral pressure for prefabricated track board 1, has restricted prefabricated track board 1 height and width direction's degree of freedom, and then has solved prefabricated track board 1 and at the self-compaction come-up problem of filling in-process prefabricated track board 1, ensures prefabricated track board 1's precision.
Wherein, be equipped with depression bar preformed hole 7 on the depression bar 2, the side draws mechanism 6 including passing the buckle 61 of depression bar preformed hole 7, the anchor ring of being connected with subway shield pipe wall hand hole for connect anchor ring and buckle 61's drag hook 63. The buckle piece 61 penetrates through the pressing rod preformed hole 7, so that the buckle piece 61 is detachably connected with the pressing rod 2, one end of the draw hook piece 63 is hung on the buckle piece 61, the other end of the draw hook piece is hung on the anchoring ring, the anchoring ring is connected with a subway shield pipe wall hand hole, and the subway shield pipe wall hand hole is formed in the subway shield pipe wall.
Further, the latch 61 is a U-shaped latch 61. The straight shank ends of the U-shaped buckling pieces 61 penetrate through the pressure rod 2. The U-shaped buckling piece 61 can bear larger pulling force, and the stability of connection of the buckling piece 61 and the pressing rod 2 is improved.
Furthermore, one end of the anchoring ring 62 is annular, the other end is L-shaped, and one end of the L-shaped anchoring ring 62 is inserted into the hand hole of the wall of the subway shield. The setting of anchor ring 62 one end L type makes anchor ring 62 be difficult to break away from in the subway shield pipe wall hand hole, and the cyclic annular setting of the other end for it is easier to pull the installation and dismantle between component and the anchor ring 62, has improved the practicality of the reaction frame of prefabricated track board 1, has improved the efficiency of construction.
Wherein, the diameter of the anchoring ring 62 is larger than 20mm, so that the anchoring ring 62 can bear larger tension, and the problem that the anchoring ring 62 is broken in the construction process can not occur.
Further, the length of the hook member 63 is adjustable. The tension of the side pulling mechanism 6 is adjusted by adjusting the length of the draw hook, so that the compression bar 2 is tightly attached to the upper surface of the prefabricated track slab 1.
The utility model provides an in the embodiment, side pressure structure 4 includes the base plate 64 with the inboard contact of support piece 3, passes base plate 64, and acts on side pressure 65 of prefabricated track board side direction template 5. The support member 3 applies pressure to the base plate 64, the side pressure member 65 penetrates through the base plate 64 and acts on the prefabricated track slab side formwork 5, preferably, the surface area of the base plate 64 is larger than the width of the inner side of the support member 3, the contact area of the base plate and the prefabricated track slab side formwork 5 is enlarged, and therefore lateral stress of the prefabricated track slab side formwork 5 is balanced.
The side pressing pieces 65 are connected with the base plate 64 in a threaded manner, so that the side pressing pieces 65 are firmly connected with the base plate 64, displacement along the axial direction of the side pressing pieces 65 is avoided, further, displacement in the width direction of the prefabricated track plate 1 is avoided, and the precision in the width direction of the prefabricated track plate 1 is improved.
Further, a stopper is disposed on the side pressing member 65, and preferably, the stopper is disposed on an end surface of the base plate 64 away from the supporting member 3, so that the base plate 64 is limited in the width direction of the prefabricated track slab 1. In contrast to the previous embodiment, one end surface of the base plate 64 is not in contact with the prefabricated rail plate lateral formworks 5, and the side pressing members 65 are in direct contact with the prefabricated rail plate lateral formworks 5.
The side pressing pieces 65 are at least two, so that two pressure points are arranged on the prefabricated track slab side formwork 5, and the prefabricated track slab side formwork 5 is stressed uniformly in the width direction of the prefabricated track slab 1.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A reaction frame for prefabricating a track plate is characterized by comprising a pressure lever arranged above the prefabricating track plate,
the two supporting pieces are arranged at the bottom of the pressure rod and are respectively positioned at two sides of the length direction of the pressure rod;
the lateral pressing structures are arranged on two sides of the prefabricated track slab lateral formwork, so that the supporting pieces apply lateral pressure to the prefabricated track slab lateral formwork through the lateral pressing structures;
and the two side pulling mechanisms are respectively positioned at the two ends of the pressing rod.
2. The reaction frame for prefabricating a track plate as claimed in claim 1, wherein said pressing rod is provided with a pressing rod prepared hole,
the side pulling mechanism comprises a fastener penetrating through the preformed hole of the pressure lever,
an anchoring ring connected with the hand hole of the wall of the subway shield pipe,
and the hook component is used for connecting the anchoring ring and the buckle component.
3. A reaction frame for prefabricated track slabs according to claim 2, characterised in that said clip is a U-shaped clip.
4. The reaction frame for prefabricating a track plate as claimed in claim 2, wherein one end of the anchoring ring is annular, the other end is L-shaped, and one end of the L-shaped anchoring ring is inserted into the hand hole of the wall of the subway shield pipe.
5. A reaction frame for prefabricated track slabs according to claim 4, wherein said anchoring ring has a diameter greater than 20 mm.
6. A reaction frame for prefabricated track slabs according to claim 2, wherein said hooking element is adjustable in length.
7. The reaction frame for prefabricating a track plate as claimed in claim 1, wherein said side press structure includes a base plate in contact with an inside of said support member,
and the lateral pressing piece penetrates through the base plate and acts on the lateral formwork of the prefabricated track slab.
8. A reaction frame for prefabricated track slabs according to claim 7, wherein said lateral pressing member is screw-coupled to said base plate.
9. A reaction frame for precast track slabs according to claim 8, wherein a stopper is provided on the side pressing member.
10. A reaction frame for prefabricated track slabs according to claim 9, wherein there are at least two of said lateral pressing elements.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020085836.7U CN211734881U (en) | 2020-01-15 | 2020-01-15 | Reaction frame for prefabricating track plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020085836.7U CN211734881U (en) | 2020-01-15 | 2020-01-15 | Reaction frame for prefabricating track plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211734881U true CN211734881U (en) | 2020-10-23 |
Family
ID=72881379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020085836.7U Active CN211734881U (en) | 2020-01-15 | 2020-01-15 | Reaction frame for prefabricating track plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211734881U (en) |
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2020
- 2020-01-15 CN CN202020085836.7U patent/CN211734881U/en active Active
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