CN218234330U

CN218234330U - Low-side wall construction formwork

Info

Publication number: CN218234330U
Application number: CN202222523460.5U
Authority: CN
Inventors: 姜成海; 李晨; 蒋平
Original assignee: China Railway Tunnel Group Erchu Co Ltd
Current assignee: China Railway Tunnel Group Erchu Co Ltd
Priority date: 2022-09-22
Filing date: 2022-09-22
Publication date: 2023-01-06
Anticipated expiration: 2032-09-22

Abstract

The utility model discloses a short limit wall construction formwork, including trapezoidal base, the top rigid coupling top plate of base is installed the roof at first and is used for the location on the reinforcing bar wall, at this moment, preforming in the arc wall on the roof presss from both sides tight reinforcing bar surface, at this moment with the base displacement under the roof, at this moment, the roof passes through the bolted connection medium plate, at this moment, the outside pull rod of pull medium plate, make to embrace the piece and encircle the reinforcing bar, at this moment, the reinforcing bar that will be used for supporting the right angle form of big steel mould transversely places in the indent, because the inserted block is pegged graft in the slot, at this moment, the notch through the inserted block bottom compresses tightly the reinforcing bar with the indent is crisscross, avoid the skew and the interval change of reinforcing bar, and then improve the device and the wall's of being connected compactness, simultaneously because the roof, the medium plate is connected with the base, increase the steadiness of device, avoid the skew of device when concreting.

Description

Low-side wall construction formwork

Technical Field

The utility model relates to a construction formwork equipment technical field specifically is a short limit wall construction formwork.

Background

In the engineering construction of urban subway stations, basements, underground comprehensive pipe galleries and the like, the construction sequence of a bottom plate, a side wall, a middle plate and a top plate is generally adopted to finish the concrete pouring work of an underground concrete structure. The concrete pouring difficulty of the side wall is difficult compared with that of the plate. In order to ensure the straight lap joint of the side wall and the bottom plate, a short side wall is generally cast by using a short side wall template firstly and then the side wall is cast secondarily during the construction of the bottom plate. However, the traditional short side wall formwork cannot ensure that the space between the reinforcing steel bars of the side wall cannot be changed when being built, the disturbance to the reinforcing steel bars in the concrete vibrating process is added, the space between the reinforcing steel bars of the side wall in the later period can be influenced, and the qualification rate of acceptance of the protective layer is increased, so that the short side wall construction formwork is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a short limit wall construction formwork to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a low-profile wall construction template comprises a trapezoidal base, wherein the top of the base is fixedly connected with a top plate; the top of top plate is run through and is seted up horizontal slot, the top of top plate is run through and is seted up a plurality of fore-and-aft indent, and indent and the crisscross link up each other, be provided with the medium plate structure on the top plate, the medium plate structure includes the medium plate, the diapire rigid coupling inserted block of medium plate, and the activity of inserted block is pegged graft in the slot, there is the roof middle plate top through bolted connection.

Preferably, the middle plate is hollow, a plurality of side grooves are formed in one side wall of the middle plate in a penetrating mode, and parallel pull rods are movably inserted in the middle plate in a penetrating mode.

Preferably, one side wall of the pull rod is rotatably connected with the arc-shaped surrounding sheet through a hinge shaft, the surrounding sheet penetrates through the side groove to the outside of the side wall of the middle plate, and the two surrounding sheets have height difference and are symmetrical to each other.

Preferably, a screw thread is arranged on the pull rod outside the end wall of the middle plate, and a threaded rod is fixedly connected outside the end wall of the middle plate below the pull rod.

Preferably, the bottom wall of the inserting plate is also provided with a notch which is symmetrical to the pressure groove, and the top plate is connected with the inserting plate through a connecting bolt. An arc-shaped groove is also formed in one side wall of the top plate in a penetrating mode, and the inner wall of the arc-shaped groove is movably connected with the arc-shaped pressing piece through a spring.

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

the top plate is connected with the middle plate through a bolt, the orientation of the encircling piece is the same as that of the arc-shaped groove, the middle plate is inserted into the slot above the top plate above the base through the inserting block, the notch at the bottom of the inserting block and the pressing groove are staggered to compress the reinforcing steel bars, and the inserting block is connected with the top plate through the connecting bolt, so that the connection of the top plate, the middle plate and the base is realized, the stability of the device is improved, and the position offset of the device is avoided when concrete is poured;

when the device is used, encircle the reinforcing bar with the preforming of arc wall inner wall, the outside pull rod of pull medium plate at this moment for encircle the piece and encircle the reinforcing bar, at this moment the reinforcing bar that will be used for supporting the right angle form of big steel mould transversely places in the indent, the notch through the inserted block bottom compresses tightly the reinforcing bar with the indent is crisscross, avoid the skew and the interval change of reinforcing bar, and then improve device and steel reinforcement wall's connection compactness, avoid the device to break away from the influence and examine and accept the qualification rate.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic diagram of the middle plate structure of the present invention.

In the figure: 1. a base; 2. a topsheet; 21. a slot; 22. a connecting bolt; 23. pressing a groove; 3. a middle plate structure; 31. a middle plate; 311. inserting plates; 33. a pull rod; 34. a threaded rod; 35. a side groove; 36. encircling the sheet; 37. a hinge shaft; 4. a top plate; 41. an arc-shaped groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1:

referring to fig. 1-2, the present invention provides a technical solution: a low side wall construction template comprises a trapezoidal base 1, wherein the top of the base 1 is fixedly connected with a top plate 2; the top of top plate 2 is run through and is seted up horizontal slot 21, and the top of top plate 21 is run through and is seted up a plurality of fore-and-aft indent 23, and indent 23 and slot 21 are crisscross to link up each other, is provided with medium plate structure 3 on top plate 2, and medium plate structure 3 includes medium plate 31, and the diapire rigid coupling inserted block 311 of medium plate 31, and the activity of inserted block 311 is pegged graft in slot 21, and there is roof 4 through bolted connection in the medium plate 31 top.

Roof 4 passes through bolted connection medium plate 31, it is the same with the orientation of arc groove 41 to encircle the orientation of piece 36, at this moment medium plate 31 passes through the inserted block 311 and pegs graft in slot 21 of top piece 2 top above base 1, the notch and the indent 23 of inserted block 311 bottom at this moment compress tightly the reinforcing bar, and be connected inserted block 311 and top piece 2 through connecting bolt 22, and then realize roof 4, medium plate 31 and base 1's being connected, increase the steadiness of device, avoid the offset of device when concreting.

The middle plate 31 is hollow, a plurality of side grooves 35 are formed on one side wall of the middle plate 31 in a penetrating way, and parallel pull rods 33 are movably inserted in the middle plate 31 in a penetrating way. One side wall of the pull rod 33 is rotatably connected with an arc-shaped surrounding sheet 36 through a hinge shaft 37, the surrounding sheet 36 penetrates through the side groove 35 to the outside of the side wall of the middle plate 31, and the two surrounding sheets 36 have height difference and are symmetrical to each other. The pull rod 33 outside the end wall of the middle plate 31 is provided with threads, and the end wall of the middle plate 31 below the pull rod 33 is fixedly connected with a threaded rod 34.

Example 2:

the inner wall of the encircling sheet 36 is also movably connected with the pressing sheet through a spring; the device can increase according to the use scene during the use, and the pull rod 33 that pulls at the increase in-process can be connected with next pull rod 33 through the nut at this moment, connects the completion back, and pull rod 33 accomplishes spacingly, and then increases the tight degree of clamp of two embracing pieces 26 to the reinforcing bar, prevents breaking away from of reinforcing bar.

The bottom wall of the insert plate 311 is also provided with a notch which is symmetrical with the pressing groove 23, and the top plate 2 is connected with the insert plate 311 through a connecting bolt 22. An arc-shaped groove 41 is also formed in one side wall of the top plate 4 in a penetrating manner, and the inner wall of the arc-shaped groove 41 is movably connected with an arc-shaped pressing sheet through a spring.

When the device uses, encircle the reinforcing bar with the preforming of 41 inner walls of arc wall, at this moment, the outside pull rod 33 of pull medium plate 31, make to encircle piece 36 and encircle the reinforcing bar, at this moment, the reinforcing bar that will be used for supporting the right angle form of big steel mould transversely places in indent 23, notch and indent 23 through inserted block 311 bottom are crisscross compresses tightly the reinforcing bar, avoid the skew and the interval change of reinforcing bar, and then improve device and wall of steel reinforcement's connection compactness, avoid the device to break away from the influence and examine the acceptance rate.

The working principle is as follows: when the device is used normally, at first, roof 4 is installed on the reinforcing bar wall and used for positioning, at this moment, the preforming in the arc wall 41 on roof 4 presss from both sides tight reinforcing bar surface, at this moment, base 1 displacement is under roof 4, at this moment, roof 4 passes through bolted connection medium plate 31, at this moment, pull the outside pull rod 33 of medium plate 31, make and embrace piece 36 and encircle the reinforcing bar, at this moment, the reinforcing bar of right angle form that will be used for supporting big steel mould transversely places in indent 23, because insert block 311 pegs graft in slot 21, at this moment, it compresses tightly the reinforcing bar to interlock through the notch of insert block 311 bottom and indent 23, avoid the skew and the interval change of reinforcing bar, and then improve the connection compactness of device and reinforcing bar wall, simultaneously because roof 4, medium plate 31 are connected with base 1, increase the steadiness of device, avoid the position skew of device when concreting.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a short limit wall construction formwork, includes trapezoidal base (1), the top rigid coupling top piece (2) of base (1), its characterized in that:

the top of top plate (2) is run through and is seted up horizontal slot (21), the top of top plate (2) is run through and is seted up a plurality of fore-and-aft indent (23), and indent (23) and slot (21) are crisscross to link up each other, be provided with medium plate structure (3) on top plate (2), medium plate structure (3) include medium plate (31), diapire rigid coupling inserted block (311) of medium plate (31), and inserted block (311) activity is pegged graft in slot (21), there is roof (4) medium plate (31) top through bolted connection.

2. The low side wall construction formwork of claim 1, wherein: the middle plate (31) is hollow, a plurality of side grooves (35) are formed in one side wall of the middle plate (31) in a penetrating mode, and the middle plate (31) is movably inserted with the parallel pull rods (33) in a penetrating mode.

3. The low profile wall construction form of claim 2, wherein: one side wall of the pull rod (33) is rotatably connected with the arc-shaped surrounding sheet (36) through a hinge shaft (37), the surrounding sheet (36) penetrates through the side groove (35) to the outside of the side wall of the middle plate (31), and the two surrounding sheets (36) have height difference and are symmetrical to each other.

4. The low profile wall construction form of claim 3, wherein: and a screw thread is arranged on the pull rod (33) outside the end wall of the middle plate (31), and a threaded rod (34) is fixedly connected outside the end wall of the middle plate (31) below the pull rod (33).

5. The low profile wall construction form of claim 1, wherein: the bottom wall of the insertion block (311) is also provided with a notch which is symmetrical to the pressure groove (23), and the top plate (2) is connected with the insertion block (311) through a connecting bolt (22).

6. The low profile wall construction form of claim 1, wherein: an arc-shaped groove (41) is also formed in one side wall of the top plate (4) in a penetrating mode, and the inner wall of the arc-shaped groove (41) is movably connected with an arc-shaped pressing sheet through a spring.