CN211285074U - High-speed railway base groove construction template - Google Patents

Abstract

The utility model discloses a high-speed railway base recess construction template, including template body, puller bolt, lag screw and bloated stopper to and a plurality of bloated stopper hole of locating the subaerial stopper that just is used for installing the bloated stopper of railway base, all wear to be equipped with on four angles of template body with puller bolt assorted T type lock nut, both sides are equipped with respectively a plurality of and lag screw assorted straining hole around template body central zone, straining hole and bloated stopper hole one-to-one, lag screw's front end is equipped with the wood screw thread that can arrange in the bloated stopper and combine with the bloated stopper. The utility model discloses a relative height of template body is adjusted to the tight bolt in top, utilizes the combination of bloated stopper and lag screw to replace the bar planting technology simultaneously for be connected between template body and the railway base fixed firm, thereby effectively reduced the engineering time, improved the efficiency of construction, and alleviateed operating personnel's intensity of labour.

Description

High-speed railway base groove construction template

Technical Field

The utility model relates to high-speed railway construction technical field especially relates to a high-speed railway base recess construction template.

Background

When the base of the conventional CRTS-III plate type ballastless track of the high-speed railway is cast, a limiting groove for connecting track slabs and limiting the track slabs needs to be manufactured. During the construction of the limiting groove, firstly, the bridge is lofted to determine the coordinate of the limiting groove, after the position for positioning is found, punching equipment is reused to punch on the beam surface, then the steel bar planting adhesive steel bars are poured, the fixing base groove formwork is installed after the steel bar planting effect meets the requirement, finally, concrete is poured, and the groove formwork is taken out until the concrete reaches initial setting. If the four corners of the groove of the base are cracked in the later construction period, anti-cracking steel bars and steel wire gauze are required to be added for repairing. In the construction process of the limiting groove in the prior art, the time for the effect of the embedded steel bars to reach the installation requirement after the embedded steel bar glue is poured is longer, so the construction efficiency is low; meanwhile, the transition radiuses of four corners of the groove of the base are small, so that the groove can crack under the action of internal stress, further, the crack is generated to influence the engineering quality, and although the anti-cracking reinforcing steel bars and the steel wire gauze are added in the later construction period, the effect is poor; and the groove template material generally adopts steel material, has the problems of easy rustiness, concrete damage caused by difficult form removal, heavy weight, slow turnover, manpower resource waste and the like.

In view of this, it is the technical problem that this technical field personnel need to solve to design a high-speed railway base recess construction template that can improve the efficiency of construction and can avoid the base recess fracture.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a high-speed railway base recess construction template, fundamentally has solved current high-speed railway base recess efficiency of construction low and has leaded to the problem that the fracture influences the engineering quality because of the internal stress effect, has effectively improved work efficiency to alleviate operating personnel's intensity of labour, had simple structure and low cost's characteristics.

For solving the technical problem, the utility model provides a high-speed railway base recess construction template, including template body, puller bolt, straining screw and bloated stopper to and a plurality of bloated stopper hole of locating the subaerial stopper that just is used for installing bloated stopper of railway base, all wear to be equipped with on four angles of template body with puller bolt assorted T type lock nut, both sides are equipped with respectively a plurality of and straining screw assorted straining hole around template body central zone, straining hole and bloated stopper hole one-to-one, straining screw's front end is equipped with the wood screw thread that can arrange in the bloated stopper and combine with the bloated stopper.

Preferably, the T-shaped fastening nuts are welded to four corners of the formwork body.

Preferably, the tightening bolt is locked in the T-shaped buckle nut through a nut.

Preferably, the tensioning screw is locked within the expansion plug by a nut.

Preferably, four corners of the template body are transition radiuses, and the value of the transition radiuses is between 10mm and 100 mm.

Preferably, the tensioning holes are provided with at least two and are arranged in a staggered manner at the front side and the rear side of the central area of the template body.

Preferably, the template body is further provided with at least six exhaust holes.

Preferably, the exhaust holes are uniformly distributed on the front side and the rear side of the template body.

Preferably, the template body is made of an industrial aluminum alloy number 6061 and an alloy state T6 or is made of a stainless steel composite steel plate.

Preferably, the expansion plug is made of nylon or polytetrafluoroethylene.

Compared with the prior art, the utility model discloses in adjust the construction template height for the railway base through the tight bolt in top, utilize the combination of bloated stopper and lag screw to replace the bar planting technology simultaneously, it is fixed firm to make the connection between construction template and the railway base, construction time has effectively been reduced, the efficiency of construction is improved, and set four angles of construction template into great transition radius, and then on the basis that can not influence base groove performance, the internal stress of concrete has also been reduced, the production of crack has been stopped, the maintenance in later stage has been greatly reduced, construction quality has been promoted.

Drawings

FIG. 1 is a schematic structural diagram of a high-speed railway base groove construction formwork of the present invention,

figure 2 is a cross-sectional view a-a of figure 1,

figure 3 is a schematic structural view of a tension screw in the present invention,

fig. 4 is a schematic structural diagram of the expansion plug of the present invention.

In the figure: 1. the template comprises a template body, 11 transition radiuses, 12 tensioning holes, 13T-shaped fastening nuts, 14 exhaust holes, 2 jacking bolts, 3 nuts, 4 tensioning screws, 41 wood threads, 6 gaskets, 7 expansion plugs and 8 expansion plug holes.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

It should be noted that, in the present invention, taking fig. 1 as an example, the vertical paper surface is left, the vertical paper surface is right, the vertical paper surface is front, and the vertical paper surface is back.

As shown in fig. 1, 2, 3 and 4, the high-speed railway base groove construction formwork comprises a formwork body 1, a tightening bolt 2, a tightening screw 4, an expansion plug 7 and a plurality of expansion plug holes 8 which are arranged on the ground of a railway base and used for installing the expansion plug 7, T-shaped fastening nuts 13 matched with the tightening bolt 2 are arranged on four corners of the formwork body 1 in a penetrating mode, a plurality of tightening holes 12 matched with the tightening screw 4 are arranged on the front side and the rear side of the central area of the formwork body 1 respectively, the tightening holes 12 correspond to the expansion plug holes 8 in a one-to-one mode, and wood threads 41 which can be arranged in the expansion plug 7 and combined with the expansion plug 7 are arranged at the front end of the tightening screw 4.

In the embodiment, firstly, a sample plate and a punching device are used for finding an expansion plug hole 8 on the ground of a railway base, an expansion plug 7 is pressed into the expansion plug hole 8, a template body 1 is placed, then a wood screw thread 41 at the front end of a tension screw 4 penetrates through a tension hole 12 and is screwed into the expansion plug 7, so that the tension screw 4 is tightly combined with the expansion plug 7, then a jacking bolt 2 is rotated to quickly adjust the height of the template body 1 relative to the ground until the height of the template body 1 meets requirements, the tension screw 4 and the jacking bolt 2 are alternately locked to ensure the stable and reliable fixation of the template body 1, finally, concrete is poured, the template body 1 is taken out when the concrete reaches initial setting, in the embodiment, a gasket 6 for ensuring the connection reliability between the tension screw 4 and the expansion plug 7 is arranged between the tension screw 4 and the expansion plug 7, the relative height of the template body 1 is adjusted through the jacking bolt 2, and the combination of the expansion plug 7 and the tension screw 2 is, the template body 1 is stably fixed on the base ground, so that the construction time is effectively shortened, the construction efficiency is improved, and the labor intensity of operators is reduced. In this embodiment, in actual construction, the expansion plug 7, the expansion plug hole 8 and the tensioning hole 12 are all fixed by two crossed holes, and when encountering obstacles such as reinforcing steel bars and the like in the construction process, the spare other expansion plug holes 8 and the matched tensioning holes 12 need to be replaced.

As shown in fig. 1 and 2, the T-shaped fastening nuts 13 are welded to four corners of the formwork body 1. In this embodiment, through with T type buckle nut 13 welding on template body 1, effectively guaranteed the reliable and stable nature of being connected between tight bolt 2 in top and the T type buckle nut 13, provide the guarantee for concrete construction quality.

As shown in fig. 2, the tightening bolt 2 is locked in the T-shaped fastening nut 13 by a nut.

As shown in fig. 2, the tensioning screw 4 is locked in the expansion plug 7 by a nut.

In this embodiment, the jacking bolt 2 and the tightening screw 4 are respectively locked in the T-shaped buckle nut 13 and the expansion plug 7 through the nut 3, so that the connection stability and reliability between the jacking bolt 2 and the T-shaped buckle nut 13 and between the tightening screw 4 and the expansion plug 7 are effectively ensured.

As shown in FIG. 1, four corners of the template body 1 are transition radiuses 11, and the value of the transition radius 11 is between 10mm and 100 mm. In this embodiment, transition radius 11 (transition fillet promptly) value is in between 10mm ~ 100mm on four angles of template body 1, has effectively guaranteed on the basis that does not influence base recess performance, has reduced the internal stress of concrete to stop cracked production, the maintenance in the later stage that has significantly reduced has promoted construction quality.

As shown in fig. 1, the fastening holes 12 are at least two and are arranged in a staggered manner at the front and rear sides of the central area of the formwork body 1. In this embodiment, template body 1 front side is crisscross to be equipped with two and draws tight hole 12, and template body 1 rear side is crisscross to be equipped with two and draws tight hole 12, and two of template body 1 front side is crisscross to be arranged draw tight hole 12 and two of template body 1 rear side are crisscross to be arranged draw tight hole 12 symmetry to for template body 1 stable fixing provide the assurance on the base is subaerial.

As shown in fig. 1, the formwork body 1 is further provided with at least six exhaust holes 14.

As shown in fig. 1, the exhaust holes 14 are uniformly distributed on the front and rear sides of the form body 1.

In this embodiment, be equipped with eight exhaust holes 14 on the template body 1, and the even symmetry of eight exhaust holes 14 locates template body 1 both sides around to for the exhaust of concreting in-process provides the guarantee, effectively promoted construction quality.

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the template body 1 is made of an industrial aluminum alloy number 6061 and an alloy state T6, or is made of a stainless steel clad steel plate; the expansion plug 7 is made of nylon or polytetrafluoroethylene.

In this embodiment, bloated stopper 7 chooses nylon or polytetrafluoroethylene preparation for use, and template body 1 chooses industry aluminum alloy trade mark 6061, alloy state T6 preparation for use, perhaps adopts the preparation of stainless steel clad sheet, has guaranteed on the one hand that the combination between bloated stopper 7 and the lag screw 4 is firm reliable, and on the other hand has improved template body 1's corrosion resisting property, has guaranteed the neatness degree on concrete construction surface, has also alleviateed template body 1's weight simultaneously to template body 1's turnover efficiency has been improved, operating personnel's intensity of labour has been alleviateed.

It is right above the utility model provides a high-speed railway base recess construction template has carried out detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the core concepts of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims (10)

1. The utility model provides a high-speed railway base recess construction template, its characterized in that, includes template body (1), puller bolt (2), lag screw (4) and bloated stopper (7) to and a plurality of bloated consent (8) of locating the subaerial and being used for installing bloated stopper (7) of railway base, all wear to be equipped with on four angles of template body (1) and push up puller bolt (2) assorted T type lock nut (13), both sides are equipped with respectively around template body (1) central zone a plurality ofly and lag screw (4) assorted straining hole (12), straining hole (12) and bloated consent (8) one-to-one, the front end of lag screw (4) is equipped with can arrange in bloated stopper (7) and with wood screw (41) that bloated stopper (7) combined in.

2. The high speed railway foundation groove construction formwork of claim 1, wherein the T-shaped fastening nuts (13) are welded on four corners of the formwork body (1).

3. The high-speed railway foundation groove construction formwork of claim 2, wherein the tightening bolt (2) is locked in the T-shaped fastening nut (13) through a nut.

4. The high-speed railway foundation pit construction formwork of claim 3, characterized in that said tensioning screw (4) is locked in the expansion plug (7) by means of a nut.

5. The high-speed railway base groove construction formwork of claim 4, wherein four corners of the formwork body (1) are transition radiuses (11), and the value of the transition radiuses (11) is between 10mm and 100 mm.

6. The high speed railway base groove construction formwork of claim 5, wherein the tension holes (12) are provided with at least two and staggered in front and rear sides of the central area of the formwork body (1).

7. The high-speed railway base groove construction formwork of claim 6 is characterized in that the formwork body (1) is further provided with at least six exhaust holes (14).

8. The construction formwork for the foundation groove of the high-speed railway according to claim 7, wherein the exhaust holes (14) are uniformly distributed on the front side and the rear side of the formwork body (1).

9. The construction template of the high-speed railway base groove is characterized in that the template body (1) is made of an industrial aluminum alloy mark 6061 and an alloy state T6 or is made of a stainless steel composite steel plate.

10. The high-speed railway base groove construction formwork of claim 9, wherein the expansion plug (7) is made of nylon or polytetrafluoroethylene.

Images