CN218597833U - Multi-section back-jacking supporting device - Google Patents

Abstract

The utility model discloses a multi-stage back support device, which comprises a base, a bottom butt steel pipe, a middle butt steel pipe, a butt card and a top butt steel pipe; the bottom butt steel pipe is fixedly arranged on the base; the middle butt steel pipe has two ends An insertion interface is provided, and a strip-shaped gap is arranged on the insertion interface in the axial direction; the docking card is sleeved outside the insertion interface, and ribs adapted to the strip-shaped gap are arranged on the docking card, so The ribs are inserted into the strip-shaped gaps; the insertion interfaces at both ends of the middle butt steel pipe are respectively inserted into the top opening of the bottom butt steel pipe and the bottom opening of the top butt steel pipe. The device of the utility model improves the construction efficiency of the backing support structure, optimizes the construction space, occupies less space, is convenient for assembly and disassembly, and reduces safety hazards caused by construction.

Description

A multi-stage back support device

technical field

The utility model relates to a back support device for a reinforced concrete structure, in particular to a multi-section back support device.

Background technique

At present, the known back-to-top support methods for reinforced concrete structures all adopt vertical support of steel pipes. When the load on the upper part is large, due to the limited bearing capacity of a single steel pipe, more vertical support steel pipes are required, and a horizontal tie structure is required to stabilize the steel pipes. This kind of supporting structure is relatively complicated. On the one hand, the supporting ground will bear a large load. On the other hand, a large number of supporting steel pipes also occupy a large space on the supporting bottom surface, which reduces the construction efficiency.

In order to solve the problem of insufficient support of a single steel pipe, technicians also consider customizing wide-diameter steel pipe columns as supports. However, wide-diameter steel pipe columns need to be customized and processed, and the cost is relatively high. At the same time, the volume and weight of wide-diameter steel columns are too large, making installation and construction difficult. Different buildings have different requirements for support height, which requires matching support steel pipe columns, so there are great difficulties in terms of economic cost, transportation, installation and storage.

Utility model content

Purpose of the utility model: The purpose of the utility model is to provide a multi-stage back support device that takes up little space, is easy to assemble and disassemble, and is safe and convenient to construct.

Technical solution: The multi-stage jacking support device described in the utility model includes a base, a bottom butt steel pipe, a middle butt steel pipe, a butt card and a top butt steel pipe.

The bottom butt steel pipe is fixedly arranged on the base, and the top opening of the bottom butt steel pipe is provided with an everted fitting top surface; the bottom opening of the top butt steel pipe is provided with an everted fitting bottom surface, and the top is provided with with roof;

The two ends of the butt steel pipe in the middle are provided with an insertion interface, and the insertion interface is provided with a strip-shaped gap along the axial direction; A rib adapted to the notch, and the rib is inserted into the strip-shaped notch.

The insertion interfaces at both ends of the middle butt steel pipe are respectively inserted into the top opening of the bottom butt steel pipe and the bottom opening of the top butt steel pipe, and the butt cards on the insertion interfaces at both ends are respectively connected to the joint top surface and the bottom opening of the top butt steel pipe. The above-mentioned fit bottom fit.

Preferably, for the convenience of fine-tuning the height of the support device of the present invention, the base includes a nut base, an adjustment nut, a spring base, an unloading spring and an adjustment tray; the nut base is composed of a bolt base plate and a bolt fixing, and the bolt base plate Set at the bottom of the adjustment tray, the bolt passes through the adjustment tray and fixes the height of the adjustment tray through the adjustment nut; the spring base is composed of a spring bottom plate and a cylinder, and the spring bottom plate is set on the Adjust the center of the bottom of the tray, the unloading spring is sleeved on the cylinder, the upper part of the cylinder passes through the center hole of the adjustment tray, and the unloading spring elastically supports the adjustment tray; the bottom butt steel pipe is fixedly arranged on on the adjustment tray.

Preferably, in order to obtain a better effect, the bottom butt steel pipe, the middle butt steel pipe and the top butt steel pipe are all preferably square steel pipes, and the strip-shaped notch is arranged at the insertion interface of the two ends of the middle butt steel pipe On the four sides; the docking card is a hollowed-out square piece structure with a "ten"-shaped rib in the middle.

Preferably, in order to match different height back-to-top requirements, there are multiple butt-jointed steel pipes in the middle, which are set to different length specifications, and other components do not need to be changed during use. A set of devices adapts to different engineering needs.

Preferably, there are four nut bases, which are evenly arranged on the bottom of the adjustment tray.

Preferably, the adjusting tray is a circular steel plate, and the steel plate is provided with a through hole adapted to the nut base and the spring base.

Preferably, the bottom butt steel pipe is welded on the adjustment tray.

Beneficial effects: (1) The utility model is suitable for wide-diameter and high-load steel pipe column structures through segmental arrangement, which facilitates simple assembly of multi-section steel pipe column structures, and solves the problem of installation of wide-diameter steel pipe columns as back support, Transport and storage problems. (2) The multi-section structure of the utility model strengthens the fixation of the two sections of steel pipes through the combination of the strip-shaped gap inserted into the interface and the docking card. The interfaces are all arranged on a plane, and the structure is stable and reliable. (3) The device of the utility model optimizes the setting of the base. The height of the base can be adjusted through the nut. The unloading spring on the base can help unload part of the gravity of the steel pipe when adjusting the nut, thereby improving the adjustment efficiency. (4) The device of the present utility model can adapt to the requirements of different heights of the roof by means of combination, and at the same time adapt to complex space requirements. (5) The device of the utility model improves the construction efficiency of the back support structure, optimizes the construction space, occupies a small space, is convenient for assembly and disassembly, and reduces the safety hazards caused by construction.

Description of drawings

Fig. 1 is an exploded view of the overall structure of the utility model.

Fig. 2 is the front view of the utility model device.

Fig. 3 is the front view of the base in the device of the present invention.

Fig. 4 is a structural schematic diagram of the base in the device of the present invention.

Fig. 5 is a structural schematic diagram of the middle butt steel pipe and the butt joint card in the device of the present invention.

In the figure: 1. Bottom docking steel pipe; 2. Adjusting nut; 3. Unloading spring; 4. Adjusting tray; 5. Middle butt steel pipe; 6. Butt card; 7. Top butt steel pipe; ; 10, fitting the top surface; 11, fitting the bottom surface; 12, the top plate; 13, inserting the interface;

Detailed ways

The technical scheme of the utility model will be described in detail below with the accompanying drawings, but the protection scope of the utility model is not limited to the described embodiments.

Embodiment 1: A multi-stage back support device, including a base, a bottom butt steel pipe 1 , a middle butt steel pipe 5 , a butt card 6 and a top butt steel pipe 7 .

The base includes four nut bases 9, eight adjusting nuts 2, a spring base 8, an unloading spring 3 and an adjustment tray 4; the nut base 9 is composed of a bolt base plate and a bolt fixing, and the bolt base plate is evenly arranged on The bottom of the adjustment tray 4, the bolt passes through the adjustment tray 4 and fixes the height of the adjustment tray 4 by the adjustment nut 2; the spring base 8 is composed of a spring base plate and a cylinder, and the spring base plate is set At the center of the bottom of the adjustment tray 4, the unloading spring 3 is sleeved on the cylinder, the upper part of the cylinder passes through the center hole of the adjustment tray 4, and the unloading spring 3 elastically supports the adjustment tray 4; The bottom butt steel pipe 1 is welded on the adjustment tray 4 .

The top opening of the bottom butt steel pipe 1 is provided with an everted fitting top surface 10; the bottom opening of the top butt steel pipe 7 is provided with an everted fitting bottom surface 11, and the top is provided with a top plate 12;

Both ends of the butt steel pipe 5 in the middle are provided with an insertion interface 13, and a strip-shaped notch 14 is arranged on the insertion interface 13 in the axial direction; A rib 15 adapted to the strip-shaped notch 14 is provided on the top, and the rib 15 is inserted into the strip-shaped notch 14;

The insertion interfaces 13 at both ends of the middle butt steel pipe 5 are respectively inserted into the top opening of the bottom butt steel pipe 1 and the bottom opening of the top butt steel pipe 7, and the docking cards 6 on the insertion interfaces 13 at both ends are respectively connected to the The bonding top surface 10 is bonded to the bonding bottom surface 11 .

The bottom butt steel pipe 1, the middle butt steel pipe 5 and the top butt steel pipe 7 are all square steel pipes, and the strip-shaped gaps 14 are arranged on the four faces of the insertion interfaces 13 at the two ends of the middle butt steel pipe 5; The above-mentioned docking card 6 is a hollowed-out square piece structure, and a rib 15 in the shape of a "ten" is arranged in the middle.

The middle butt joint steel pipe 5 can be selected with different lengths according to the storey height.

After the device of the utility model is assembled, it is placed under the component that needs to be pushed back, and the height of the device is finely adjusted by adjusting the nut to meet the requirement of the push back, and the device is locked, and the push back is completed.

As stated above, although the invention has been shown and described with reference to certain preferred embodiments, this should not be construed as limiting the invention itself. Various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (7)

1. The utility model provides a multistage formula back to top strutting arrangement which characterized in that: comprises a base, a bottom butt joint steel pipe (1), a middle butt joint steel pipe (5), a butt joint clamping piece (6) and a top butt joint steel pipe (7);

the bottom butt joint steel pipe (1) is fixedly arranged on the base, and an outward-turned joint top surface (10) is arranged at an opening at the top of the bottom butt joint steel pipe (1); an outward-turned joint bottom surface (11) is arranged at an opening at the bottom of the top butt joint steel pipe (7), and a top plate (12) is arranged at the top of the top butt joint steel pipe;

inserting interfaces (13) are arranged at two ends of the middle butt joint steel pipe (5), and strip-shaped gaps (14) are axially arranged on the inserting interfaces (13); the butt joint clamping piece (6) is sleeved outside the insertion interface (13), a rib (15) matched with the strip-shaped opening (14) is arranged on the butt joint clamping piece (6), and the rib (15) is inserted into the strip-shaped opening (14);

inserting interfaces (13) at two ends of the middle butt joint steel pipe (5) are respectively inserted into a top opening of the bottom butt joint steel pipe (1) and a bottom opening of the top butt joint steel pipe (7), and butt joint cards (6) on the inserting interfaces (13) at two ends are respectively attached to the attaching top surface (10) and the attaching bottom surface (11).

2. The multi-section back-up support device of claim 1, wherein: the base comprises a nut base (9), an adjusting nut (2), a spring base (8), an unloading spring (3) and an adjusting tray (4); the nut base (9) is formed by fixing a bolt bottom plate and a bolt, the bolt bottom plate is arranged at the bottom of the adjusting tray (4), and the bolt penetrates through the adjusting tray (4) and fixes the height of the adjusting tray (4) through the adjusting nut (2); the spring base (8) is formed by fixing a spring bottom plate and a cylinder, the spring bottom plate is arranged in the center of the bottom of the adjusting tray (4), the unloading spring (3) is sleeved on the cylinder, the upper part of the cylinder penetrates through a center hole of the adjusting tray (4), and the unloading spring (3) elastically supports the adjusting tray (4); the bottom butt joint steel pipe (1) is fixedly arranged on the adjusting tray (4).

3. The multi-section back-up support device of claim 1, wherein: the bottom butt joint steel pipe (1), the middle butt joint steel pipe (5) and the top butt joint steel pipe (7) are square steel pipes, and the strip-shaped notches (14) are formed in four surfaces of the inserting ports (13) at the two ends of the middle butt joint steel pipe (5); the butt joint clamping piece (6) is of a hollow square piece structure, and a cross-shaped rib (15) is arranged in the middle of the butt joint clamping piece.

4. The multi-section back-up support device of claim 1, wherein: the middle butt joint steel pipes (5) are multiple and are set to be different in length specification.

5. The multi-section back-up support apparatus of claim 2, wherein: the number of the nut bases (9) is four, and the nut bases are uniformly arranged at the bottom of the adjusting tray (4).

6. The multi-section back-up support apparatus of claim 2, wherein: the adjusting tray (4) is a circular steel plate, and through holes matched with the nut base (9) and the spring base (8) are formed in the steel plate.

7. The multi-section back-up support apparatus of claim 2, wherein: the bottom butt joint steel pipe (1) is welded on the adjusting tray (4).

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