CN217813503U - View hole template suitable for tunnel canopy side wall - Google Patents

Abstract

The utility model relates to the technical field of tunnel canopy construction, in particular to a landscape hole formwork suitable for the side wall of a tunnel canopy. On the beam, the second hinge seat is provided with an insertion rod which is slidably inserted into the positioning tube, and the outer bearing of the first hinge seat is rotatably connected with a rotating rod, and the end of the rotating rod is provided with a stud, which is threaded and installed on the In the horizontal sleeve, the beneficial effect is: through the cooperation of the hinge seat and the four sets of formwork, the adjustable hole formwork is formed as a whole. After the concrete is poured, the overall positioning and insertion is realized through the positioning pipe. The cooperation of the horizontal casing forms the adjustment of the hole size of the hole template, which is suitable for the installation space of the vertical and horizontal beams of different sizes. It is convenient to disassemble and has a wide range of adaptation. The purpose of stable support is achieved by positioning and plugging, which simplifies the structure. Easy to turn around.

Description

A Landscape Hole Formwork Applicable to the Side Wall of Tunnel Canopy

technical field

The utility model relates to the technical field of tunnel canopy construction, in particular to a landscape hole template suitable for the side wall of a tunnel canopy.

Background technique

The canopy of the open section of the railway tunnel is a reinforced concrete structure, which has the characteristics of being integrated with the tunnel structure, corrosion resistance and beautiful appearance. The canopy columns are set on the side wall of the U-shaped groove of the tunnel, and the foundation is not set separately. The side walls of the canopy are designed with various hollow shapes, which are large in number and heavy in workload.

Most of the existing side wall hole formworks are integral or completely segmented steel formwork. After the concrete pouring is completed, the formwork is fixed on the concrete pouring beam, resulting in difficulty in dismantling, easy deformation and slow turnover efficiency. At the same time, due to its support stability Insufficient to set up a separate support system.

Utility model content

The purpose of the utility model is to provide a landscape hole formwork suitable for the side wall of the tunnel canopy, so as to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the utility model provides the following technical solutions:

A landscape hole formwork suitable for the side wall of a tunnel canopy, the hole formwork comprising:

Formwork, the templates connected by four sets of end-to-end rotations are connected through the first hinge seat and the second hinge seat, a pair of the first hinge seats are symmetrically distributed left and right, a pair of the second hinge seats are distributed up and down, and One hinge seat is inserted on the concreted longitudinal beam, and the second hinged seat is inserted on the concreted beam;

An adjustment assembly, the adjustment assembly includes a positioning tube and a lateral sleeve, the positioning tube and the lateral sleeve are respectively fixed on the beam and the longitudinal beam, the second hinge seat is provided with an insertion rod that is slidably inserted into the positioning tube, The outer bearing of the first hinge seat is rotatably connected with a rotating rod, and the end of the rotating rod is provided with a stud, and the stud is threaded and rotatably installed in the transverse casing.

Preferably, a spring is vertically arranged in the positioning tube, and the spring is compressed between the insertion rod and the inner wall of the positioning tube.

Preferably, a fixed connecting rod is arranged transversely between a pair of adjacent templates on the left and right, and the fixed connecting rod and the template are fixedly connected by fastening bolts.

Preferably, the middle section of the formwork is provided with an oblong groove, and the end of the fixed link is provided with a through hole coincident with the oblong groove, and the fastening bolt passes through the through hole and the oblong groove.

Preferably, a threaded hole is provided in the transverse casing, the outer diameter of the stud is larger than the outer diameter of the rotating rod, and the stud is screwed and installed in the threaded hole.

Preferably, both ends of the transverse sleeve are provided with threads that are rotatably mounted on the end cap, the rotating rod slides through the end cap, and the outer diameter of the stud is larger than the inner diameter of the middle through hole of the end cap.

Compared with the prior art, the beneficial effects of the utility model are:

The utility model forms an adjustable hole formwork as a whole through the cooperation of hinge seats and four groups of templates. After the concrete is poured and shaped, the overall positioning and insertion is realized through positioning pipes. The hole size adjustment of the hole formwork is formed, which is suitable for the installation space of longitudinal and horizontal beams of different sizes. It is convenient to disassemble and has a wide range of adaptation. It uses positioning and plugging to achieve the purpose of stable support, avoid deformation and set up a separate support system, which simplifies The structure is clear and easy to turn around.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Figure 2 is an enlarged view of the structure at A in Figure 1;

Fig. 3 is a schematic diagram of the three-dimensional structure of the first hinge seat of the present invention.

In the figure: 1. Beam; 2. Longitudinal beam; 3. Formwork; 4. First hinge seat; 5. Second hinge seat; 6. Positioning tube; 7. Spring; 10, fixed connecting rod; 11, inserting rod; 12, fastening bolt; 13, rotating rod; 14, stud; 15, threaded hole; 16, end cover.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below. The embodiments of the present utility model and all other embodiments obtained by persons of ordinary skill in the art without making creative efforts all belong to the scope of protection of the present utility model.

Please refer to Figure 1 to Figure 3, the utility model provides a technical solution:

Example 1:

A landscape hole template suitable for the side wall of a tunnel canopy, the hole template includes a template 3 and an adjustment component.

The templates 3 of the four groups of end-to-end rotation connections are connected through the rotation of the first hinge seat 4 and the second hinge seat 5. A pair of first hinge seats 4 are symmetrically distributed left and right, a pair of second hinge seats 5 are distributed up and down, and the first hinge seat 4 is plugged on the concreted longitudinal beam 2, and the second hinge seat 5 is plugged on the concreted beam 1, and is hinged through the cooperation of the hinged seat and the formwork to form an integrated adjustable hole formwork.

The adjustment assembly includes a positioning tube 6 and a transverse casing 8, the positioning tube 6 and the horizontal casing 8 are respectively fixed on the beam 1 and the longitudinal beam 2, and the second hinge seat 5 is provided with an insertion rod slidingly inserted into the positioning tube 6 11. The outer bearing of the first hinge seat 4 is rotatably connected with a rotating rod 13, the end of the rotating rod 13 is provided with a stud 14, and the transverse sleeve 8 is provided with a threaded hole 15, and the outer diameter of the stud 14 is larger than that of the rotating rod 13 The outer diameter of the threaded stud 14 is installed in the threaded hole 15, and the threaded stud 14 is installed in the transverse casing 8.

After the concrete pouring is formed, the positioning and insertion of the integrated adjustable hole formwork is realized through the cooperation of the positioning pipe 6 and the insertion rod 11, and the integrated adjustable hole formwork is formed by the cooperation of the first hinge seat 4 and the horizontal sleeve 8. The size of the hole in the hole formwork is adjusted to suit the installation space of vertical and horizontal concrete support beams of different sizes. It is easy to disassemble and has a wide range of adaptation. It uses positioning and plugging to achieve the purpose of stable support, avoid deformation and set up a separate support system, simplifying the The structure is clear and easy to turn around.

Example 2:

On the basis of Embodiment 1, in order to realize the stability of the device, the present application also has a spring 7 vertically arranged in the positioning tube 6 , and the spring 7 is pressed between the insertion rod 11 and the inner wall of the positioning tube 6 .

By setting the spring 7, the extrusion of the spring 7 is realized during the rotation and advancement of the stud 14, and the extrusion of the integrated adjustable hole template is formed by the reaction force, so that the whole is in a fastened state and avoids connection gaps cause structural instability.

Example 3:

On the basis of Embodiment 2, in order to further improve the connection strength between the templates, the application also has a fixed connecting rod 10 arranged laterally between a pair of adjacent templates 3 on the left and right, and a fixed link 10 between the fixed connecting rod 10 and the template 3 Fastening bolts 12 are fixedly connected.

By setting the cooperation between the fixed connecting rod 10 and the fastening bolt 12, the positional stability between the adjacent templates 3 is further improved, and gap shaking is avoided.

Example 4:

On the basis of Embodiment 3, in order to improve the adaptability of the fixed connecting rod 10, the present application also has an oblong groove 9 in the middle section of the template 3, and the end of the fixed connecting rod 10 is provided with a groove that overlaps with the oblong groove 9. Through hole, the fastening bolt 12 runs through the through hole and the oblong groove 9.

The aesthetics of the formwork is improved by setting the oblong groove 9 , and at the same time, the oblong groove 9 is used to fit a single fixed connecting rod 10 to avoid mismatching between the fixed connecting rod 10 and the template 3 .

Example 5:

On the basis of Embodiment 1, in order to prevent the stud 14 from falling off, the present application also has two ends of the transverse casing 8 provided with threaded rotation mounted on the end cover 16, the rotating rod 13 slides through the end cover 16, and the stud 14 The outer diameter is greater than the inner diameter of the middle through hole of the end cap 16 .

By setting the end cap 16 to limit the maximum lateral distance of the rotation and advancement of the stud 14, the stud 14 and the lateral casing 8 are prevented from falling off. The rod 11 is detached from the positioning tube 6, and then the end cover 16 is disassembled to complete the disassembly of the integrated adjustable hole formwork.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (6)

1. The utility model provides a view hole template suitable for tunnel canopy side wall which characterized in that: the hole template includes:

the four groups of templates (3) which are connected end to end in a rotating mode are connected in a rotating mode through first hinged supports (4) and second hinged supports (5), a pair of the first hinged supports (4) are distributed in a bilateral symmetry mode, a pair of the second hinged supports (5) are distributed in an up-and-down mode, the first hinged supports (4) are connected to longitudinal beams (2) of concrete pouring in an inserting mode, and the second hinged supports (5) are connected to cross beams (1) of the concrete pouring in an inserting mode;

the adjusting assembly comprises a positioning pipe (6) and a transverse sleeve (8), the positioning pipe (6) and the transverse sleeve (8) are respectively fixed on the cross beam (1) and the longitudinal beam (2), an inserting rod (11) which is inserted into the positioning pipe (6) in a sliding mode is arranged on the second hinged support (5), an outer side bearing of the first hinged support (4) is rotatably connected with a rotating rod (13), a stud (14) is arranged at the end portion of the rotating rod (13), and the stud (14) is rotatably installed in the transverse sleeve (8) in a threaded mode.

2. The landscape hole template applicable to the side wall of the tunnel canopy according to claim 1, is characterized in that: a spring (7) is vertically arranged in the positioning tube (6), and the spring (7) is pressed between the insertion rod (11) and the inner wall of the positioning tube (6).

3. The landscape hole template applicable to the side wall of the tunnel canopy according to claim 1, is characterized in that: a fixed connecting rod (10) is transversely arranged between a pair of left and right adjacent templates (3), and the fixed connecting rod (10) is fixedly connected with the templates (3) through fastening bolts (12).

4. The landscape hole template applicable to the side wall of the tunnel canopy according to claim 3, is characterized in that: the middle section of the template (3) is provided with a long circular groove (9), the end part of the fixed connecting rod (10) is provided with a through hole superposed with the long circular groove (9), and the fastening bolt (12) penetrates through the through hole and the long circular groove (9).

5. The landscape hole template applicable to the side wall of the tunnel canopy according to claim 1, is characterized in that: a threaded hole (15) is formed in the transverse sleeve (8), the outer diameter of the stud (14) is larger than that of the rotating rod (13), and the stud (14) is rotatably installed in the threaded hole (15) in a threaded mode.

6. The landscape hole template applicable to the side wall of the tunnel canopy, according to claim 5, is characterized in that: the two ends of the transverse sleeve (8) are provided with screw thread rotating installation end covers (16), the rotating rod (13) penetrates through the end covers (16) in a sliding mode, and the outer diameter of the stud (14) is larger than the inner diameter of a middle through hole of each end cover (16).

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