CN-122013981-A - U-shaped groove template supporting device and construction method thereof

CN122013981ACN 122013981 ACN122013981 ACN 122013981ACN-122013981-A

Abstract

The invention provides a U-shaped groove template supporting device and a construction method thereof, wherein the device comprises at least two T-shaped steels vertically distributed along the side wall of a U-shaped groove, a plurality of through holes are formed in a web plate of each T-shaped steel at intervals along the length direction of the web plate, a plurality of fixing rods detachably penetrate through the through holes of the T-shaped steels and extend out of two sides of the web plate, and at least two adjustable supporting components, the adjustable supporting components are distributed between the two opposite T-shaped steels in a crossing manner, and two ends of each adjustable supporting component are respectively in butt joint with the fixing rods on different T-shaped steels. The invention can solve the problems of low construction efficiency, large material consumption, high cost, poor adaptability and the like of the traditional steel pipe scaffold support mode.

Inventors

TANG QUANBIN
ZHENG DAYONG
LIU MING
LI HONG
LI YAN

Assignees

中国一冶集团有限公司

Dates

Publication Date: 20260512
Application Date: 20260311

Claims (10)

1. A U-shaped channel formwork support apparatus comprising: at least two T-shaped steel plates vertically distributed along the side wall of the U-shaped groove, and a plurality of through holes are formed in the web plate of each T-shaped steel plate at intervals along the length direction of the web plate; A plurality of fixing rods detachably penetrating the through holes of the T-shaped steel and extending from two sides of the web plate, and At least two adjustable supporting components which are arranged between two opposite T-shaped steel in a crossed way, two ends of the adjustable supporting component are respectively in butt joint with fixing rods on different T-shaped steels for supporting; wherein each of the adjustable support assemblies comprises: Two support sleeves; the two ends of the threaded rod are respectively arranged coaxially with the two supporting sleeves and are arranged in the supporting sleeves; an electric screw rod rotator fixedly sleeved at the joint of the threaded rod and one of the support sleeves and used for driving the threaded rod to rotate relative to the support sleeve so as to adjust the whole length of the adjustable support assembly, and The two ends are respectively connected to one end, far away from the threaded rod, of the supporting sleeve, and grooves used for being matched with the fixing rods in a clamping mode are formed in the ends.
2. The U-shaped channel formwork support apparatus of claim 1 wherein said adjustable support assembly further comprises a threaded tray threadably coupled to said threaded rod and sleeved with an end of said support sleeve remote from an end of said motorized screw rotator.
3. The U-shaped groove template supporting device according to claim 2, wherein the threaded tray is provided with a hole for inserting a bolt, and the bolt can prevent the threaded tray from rotating relative to the supporting sleeve after penetrating into the supporting sleeve and the hole of the threaded tray.
4. The U-shaped groove template supporting device according to claim 1, wherein one end of the supporting sleeve is provided with a threaded opening, the other end of the supporting sleeve is provided with a bolt opening, and the end head is installed at one end of the threaded opening of the supporting sleeve in a threaded connection mode.
5. The U-shaped groove formwork support device of claim 1, wherein the fixing rod is an L-shaped round steel, and the L-shaped round steel is arranged in the through hole of the T-shaped steel in a penetrating mode.
6. The U-shaped channel formwork support apparatus in accordance with claim 1 wherein said recess in said end head is a semi-circular recess for line contact engagement with said cylindrical mounting bar surface.
7. A construction method using the trench template supporting device as claimed in any one of claims 1 to 6, characterized by comprising the steps of: S1, preparing and assembling on site, alternately installing a plurality of fixing rods in the through holes of the T-shaped steel in a forward and reverse mode, and assembling an adjustable supporting assembly; S2, installing vertical members, and vertically and tightly arranging two assembled T-shaped steel along the templates at the two sides of the U-shaped groove; s3, mounting cross supports, namely mounting at least two adjustable support assemblies between the two T-shaped steel in a cross mode, and enabling the end heads at the two ends of each adjustable support assembly to be respectively clamped on fixing rods with different heights on the opposite T-shaped steel; s4, adjusting and fastening, starting an electric screw rod rotator on the adjustable supporting component, driving the threaded rod to extend or retract until two ends are tightly abutted with the fixed rod, and forming a stable cross supporting system; s5, checking and confirming, namely checking whether all connection points are fastened reliably or not, and whether the supporting system is located in the same vertical plane or not.
8. The construction method of the trench formwork supporting device according to claim 7, wherein in the step S3, the specific process of cross supporting installation is that one temporary adjustable supporting component is installed at the middle position of two T-shaped steels for temporary fixing, then the other two adjustable supporting components are installed above and below the temporary component respectively to form a high-low span cross arrangement, and finally the temporary adjustable supporting component is removed and installed in a high-low span mode.
9. The method of constructing a trench template support device according to claim 7, further comprising a support system removal step, the removal step being accomplished by any one of: The first mode is that an electric screw rod rotator is used for reversely rotating to retract the threaded rod, and the adjustable supporting component is taken down after the supporting force is released; Pulling out a bolt on the threaded tray, rotating the threaded tray to rapidly unload, and then taking down the adjustable support assembly; and thirdly, knocking and extracting the fixing rod on the T-shaped steel laterally to enable the adjustable supporting component to fall off.
10. The method for constructing a channel formwork support apparatus as claimed in claim 7, wherein in the step S1, the step of assembling the adjustable support assembly is to pass a threaded rod through a central hole of the electric screw rotator, screw a screw-thread bracket to the threaded rod, socket a support sleeve over the threaded rod and insert into the screw-thread bracket, fix the screw-thread bracket to the support sleeve by a bolt, socket another support sleeve over the other end of the threaded rod and insert into the electric screw rotator and fix by a bolt, and finally install two ends at one ends of the screw-thread openings of the two support sleeves, respectively, and screw them.

Description

U-shaped groove template supporting device and construction method thereof Technical Field The invention relates to the technical field of building construction engineering, in particular to a U-shaped groove template supporting device and a construction method thereof. Background In infrastructure projects such as water works construction, water supply and drainage pipe network transformation, U-shaped grooves are a common concrete structure. When such a trench is concreted, a formwork is required to be installed on the inner side of the trench, and the formwork is effectively reinforced so as to ensure the molding quality and construction safety of the concrete structure. The traditional reinforcement mode is to set up a steel pipe fastener type scaffold inside the U-shaped groove as a supporting system. And after the concrete reaches the design strength, the whole scaffold system is dismantled. However, this conventional method has a number of drawbacks: 1. the construction is complicated, the efficiency is low, a large number of connecting pieces (fasteners) are needed for erecting and dismantling the steel pipe scaffold, the working procedures are numerous, a large amount of labor and time are consumed, and the construction progress is seriously affected. 2. The material consumption is large, the cost is high, a large number of steel pipes and fasteners are required to be consumed, the material cost is high, and the transportation, storage and maintenance costs are high. 3. The adaptability is poor, the length and the connection point of the steel pipe are required to be frequently adjusted for the U-shaped grooves with different widths and depths, the adjustment is difficult, and the standardization and the rapid operation are difficult to realize. Disclosure of Invention The invention aims to provide a U-shaped groove template supporting device aiming at the defects of the prior art. The specific technical scheme is as follows: A U-shaped channel formwork support apparatus comprising: at least two T-shaped steel plates vertically distributed along the side wall of the U-shaped groove, and a plurality of through holes are formed in the web plate of each T-shaped steel plate at intervals along the length direction of the web plate; A plurality of fixing rods detachably penetrating the through holes of the T-shaped steel and extending from two sides of the web plate, and At least two adjustable supporting components which are arranged between two opposite T-shaped steel in a crossed way, two ends of the adjustable supporting component are respectively in butt joint with fixing rods on different T-shaped steels for supporting; wherein each of the adjustable support assemblies comprises: Two support sleeves; the two ends of the threaded rod are respectively arranged coaxially with the two supporting sleeves and are arranged in the supporting sleeves; an electric screw rod rotator fixedly sleeved at the joint of the threaded rod and one of the support sleeves and used for driving the threaded rod to rotate relative to the support sleeve so as to adjust the whole length of the adjustable support assembly, and The two ends are respectively connected to one end, far away from the threaded rod, of the supporting sleeve, and grooves used for being matched with the fixing rods in a clamping mode are formed in the ends. Optionally, the adjustable support assembly further includes a threaded tray, the threaded tray is screwed on the threaded rod, and is detachably connected with one end of the support sleeve through the aligned connection hole by sleeving a bolt, so as to increase the height of the vertical frame. Optionally, the threaded tray is provided with a hole for inserting a bolt, and the bolt can prevent the threaded tray from rotating relative to the supporting sleeve after penetrating into the supporting sleeve and the hole of the threaded tray. Optionally, one end of the supporting sleeve is provided with a threaded opening, the other end of the supporting sleeve is provided with a bolt opening, and the end head is arranged at the threaded opening end of the supporting sleeve in a threaded connection mode. Optionally, the fixing rod is an L-shaped round steel, and the L-shaped round steel is arranged in the through hole of the T-shaped steel in a penetrating way. Optionally, the groove on the end head is a semicircular groove for being in line contact fit with the cylindrical surface of the fixing rod. The invention provides a construction method using the groove template supporting device, which comprises the following steps: S1, preparing and assembling on site, alternately installing a plurality of fixing rods in the through holes of the T-shaped steel in a forward and reverse mode, and assembling an adjustable supporting assembly; S2, installing vertical members, and vertically and tightly arranging two assembled T-shaped steel along the templates at the two sides of the U-shaped groove; s3, mounti