CN215629426U

CN215629426U - Cast-in-place box girder steel pipe support that stability is good

Info

Publication number: CN215629426U
Application number: CN202121649511.8U
Authority: CN
Inventors: 李科; 李永峰; 柏庆宝; 张校兵; 任兵; 吴定坤
Original assignee: Road and Bridge International Co Ltd; China Communication South Road and Bridge Co Ltd
Current assignee: Road and Bridge International Co Ltd; China Communication South Road and Bridge Co Ltd
Priority date: 2021-07-20
Filing date: 2021-07-20
Publication date: 2022-01-25
Anticipated expiration: 2031-07-20

Abstract

The utility model discloses a cast-in-place box girder steel pipe bracket with good stability, which belongs to the technical field of bridge construction and comprises a vertical rod, wherein the bottom end of the outer wall of the vertical rod is in threaded connection with an adjustable base, the adjustable base is arranged on the ground, a plurality of groups of connecting discs are fixedly connected onto the vertical rod, four groups of first mounting holes and second mounting holes which are arranged in a penetrating way are formed in the connecting discs, one side of each connecting disc is movably connected with a connecting seat, the top end of each connecting seat is inserted with a wedge block, the wedge blocks are inserted into the first mounting holes and the second mounting holes, the outer side wall of the connecting seat close to one side of the first mounting hole is fixedly connected with a horizontal diagonal rod, the outer side wall of the connecting seat close to one side of the second mounting hole is fixedly connected with a vertical diagonal rod, the steel pipe bracket is convenient to mount and stable to connect, and is suitable for cast-in-place bridges with different radians, transverse slopes and longitudinal slopes, and improves the working efficiency, the practicability is good.

Description

Cast-in-place box girder steel pipe support that stability is good

Technical Field

The utility model relates to the technical field of bridge construction, in particular to a cast-in-place box girder steel pipe support with good stability.

Background

Along with the rapid development of economy in China, the bridge form in cities becomes complex and changeable gradually, and bridge engineering support construction methods are increasing continuously, such as a full-hall support method, a steel pipe upright post support method, a bowl buckle support and the like.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a cast-in-place box girder steel pipe support with good stability, and aims to solve the problems that a vase pier, a double-column pier, a capping beam and a cast-in-place box girder construction support for bridge construction in the background art are not firmly assembled, inconvenient to assemble and disassemble and low in construction efficiency.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a cast-in-place box girder steel pipe support that stability is good, includes the pole setting, the outer wall bottom threaded connection of pole setting has adjustable base, and adjustable pedestal mounting subaerial, a plurality of groups of connection pads of fixedly connected with in the pole setting, set up four first mounting hole and the second mounting hole that run through the setting on the connection pad, one side swing joint of connection pad has the connecting seat, peg graft on the top of connecting seat has the tapered wedge, and the tapered wedge pegs graft in first mounting hole and second mounting hole, is close to the horizontal diagonal member of lateral wall fixedly connected with of the connecting seat of first mounting hole one side, is close to the vertical diagonal member of lateral wall fixedly connected with of the connecting seat of second mounting hole one side.

Further: the connecting seat is U-shaped, and the opening joint on the connecting seat is at the lateral wall of connection pad.

Further: the top end of the connecting seat is provided with a jack which penetrates through the connecting seat, and an inclined wedge block is vertically inserted into the jack.

Further: the vertical rods, the horizontal diagonal draw bars and the vertical diagonal draw bars are made of vanadium manganese alloy structural steel.

Further: the appearances of the vertical rods, the horizontal diagonal rods and the vertical diagonal rods are silver gray metallic.

Further: the bottom of the connecting seat is provided with a lower notch which is matched with the inclined wedge block.

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

1. the utility model is safe and reliable, each connecting plate adopts an independent wedge-shaped bolt interpenetration self-locking structure, can be assembled into various different angles by matching with the horizontal diagonal rods and the vertical diagonal rods, is suitable for the cast-in-situ use of bridges with different radians, transverse slopes and longitudinal slopes, has reliable pumping direction shear resistance, axially crosses various rod pieces at one point, has one time more side connecting rod pieces than bowl buckle joints, and has good integral stability.

2. The support frame is very simple and convenient in installation process, can be quickly installed and disassembled by knocking the oblique wedge block by using a hammer, is standard in support frame component series, is universal in accessories, convenient to transport and manage, free of spare parts, low in loss, low in later-stage investment, fast in assembly, convenient to use and cost-saving, and can be assembled more conveniently by operating personnel due to the small using amount and light weight, the efficiency can be improved by more than 3 times, and a frame body of 200 cubic meters and 300 cubic meters can be erected every day by each person. The comprehensive cost can be saved correspondingly, and can be saved by more than 30 percent under the general condition.

Drawings

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

fig. 2 is a schematic view of the connecting seat structure of the present invention.

In the figure: 1. erecting a rod; 2. a horizontal diagonal member; 3. a vertical diagonal rod; 4. an adjustable base; 5. a connecting disc; 6. a connecting seat; 7. a tapered wedge; 8. a first mounting hole; 9. a second mounting hole; 10. a jack; 11. a lower notch.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1:

referring to fig. 1, the present invention provides a technical solution: a cast-in-place box girder steel pipe bracket with good stability comprises an upright rod 1, the bottom end of the outer wall of the upright rod 1 is in threaded connection with an adjustable base 4, the adjustable base 4 is installed on the ground, a plurality of groups of connecting discs 5 are fixedly connected to the upright rod 1, four groups of first mounting holes 8 and second mounting holes 9 which are arranged in a penetrating way are formed in the connecting discs 5, one side of each connecting disc 5 is movably connected with a connecting seat 6, the top end of each connecting seat 6 is inserted with a wedge 7, the wedge 7 is inserted into the first mounting hole 8 and the second mounting hole 9, the outer side wall of the connecting seat 6 close to one side of the first mounting hole 8 is fixedly connected with a horizontal diagonal draw bar 2, the outer side wall of the connecting seat 6 close to one side of the second mounting hole 9 is fixedly connected with a vertical diagonal draw bar 3, when the cast-in-place box girder steel pipe bracket is used, firstly, after lofting according to the size of a scaffold configuration drawing, the adjustable base 4 is arranged to a fixed position, the horizontal diagonal draw bar 2 and the vertical diagonal draw bar 3 which need to be connected are close to one side of the connecting discs 5, move the open end of connecting seat 6 of 2 one sides of horizontal diagonal draw bar toward one side of connecting seat 6, when position and first mounting hole 8 on connecting seat 6 are in the same position, insert tapered wedge 7 from connecting seat 5, use the hand hammer to strike tapered wedge 7, thereby accomplish the reinforcement installation to horizontal diagonal draw bar 2, when installing vertical diagonal draw bar 3, the step is the same with installation horizontal diagonal draw bar 2 mounting method, do not need or only need a small amount of hand tool can accomplish the support body and set up, the efficiency of construction is high, the product and the unique structural design of high bearing capacity, 1/3-1/2's material is used less than traditional scaffold, reduce work load by a wide margin, thereby showing and shortening construction cycle, and all accessories of steel pipe support system all can used repeatedly, the scene does not have any rubbish after the construction form removal, the construction environment is safe, clean, and tidy.

Referring to fig. 1, preferably, the connecting seat 6 is U-shaped, an opening of the connecting seat 6 is clamped on an outer side wall of the connecting disc 5, and the U-shaped connecting seat 6 is clamped on one side of the connecting disc 5 and is used for installing the positions of the horizontal diagonal draw bar 2 and the vertical diagonal draw bar 3.

Referring to fig. 1 and 2, preferably, the top end of the connecting base 6 is provided with a through-hole 10, and the inclined wedge 7 is vertically inserted into the through-hole 10, and when the inclined wedge 7 is knocked by a hammer, the inclined wedge 7 is inserted into the second mounting hole 9 in the first mounting hole 8 from the through-hole 10 in the connecting base 6.

Referring to fig. 1, preferably, the vertical rods 1, the horizontal diagonal rods 2 and the vertical diagonal rods 3 are made of vanadium-manganese alloy structural steel, the strength of the vanadium-manganese alloy structural steel is 1.5-2 times higher than that of a plain carbon steel pipe of a traditional scaffold, the bearing capacity is greatly improved, main components are treated by an internal and external hot galvanizing anticorrosion process, the service life is longer, and the risk coefficient special for the support frame in engineering is further reduced to the minimum.

Referring to fig. 1, preferably, the vertical rods 1, the horizontal diagonal rods 2 and the vertical diagonal rods 3 are in the metallic color of silver gray, and the color of the silver gray is beautiful and uniform, beautiful in image and brilliant in atmosphere.

Example 2:

referring to fig. 2, this embodiment is different from the first embodiment in that: notch 11 has been seted up down to the bottom of connecting seat 6, and notch 11 and tapered wedge 7 phase-match down, and when installation tapered wedge 7, can make the bottom of tapered wedge 7 peg graft under in notch 11, further strengthened the position of horizontal diagonal draw bar 2 and vertical diagonal draw bar 3.

The working principle is as follows: when the scaffold is used, firstly, after the scaffold is set out according to the size of a scaffold configuration drawing, the adjustable bases 4 are arranged to fixed positions, then the horizontal diagonal draw bar 2 and the vertical diagonal draw bar 3 which need to be connected are close to one side of the connecting disc 5, the opening end of the connecting seat 6 on one side of the horizontal diagonal draw bar 2 is moved to one side of the connecting seat 6, when the insertion hole 10 in the connecting seat 6 and the first mounting hole 8 are located at the same position, the inclined wedge 7 is inserted into the connecting seat 5, the inclined wedge 7 is knocked by a hand hammer, and the inclined wedge 7 is vertically inserted into the insertion hole 10 and the first mounting hole 8, so that the horizontal diagonal draw bar 2 is reinforced and mounted.

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

Claims

1. The utility model provides a cast-in-place box girder steel pipe support that stability is good, includes pole setting (1), its characterized in that: the utility model discloses a pole setting, including pole setting (1), outer wall bottom threaded connection of pole setting (1) has adjustable base (4), and adjustable base (4) are installed subaerial, a plurality of groups of connection pads of fixedly connected with (5) are gone up in pole setting (1), set up four first mounting hole (8) and second mounting hole (9) that run through the setting on connection pad (5), one side swing joint of connection pad (5) has connecting seat (6), it has tapered wedge (7) to peg graft on the top of connecting seat (6), and tapered wedge (7) peg graft in first mounting hole (8) and second mounting hole (9), and the lateral wall fixed connection that is close to connecting seat (6) of first mounting hole (8) one side has horizontal diagonal draw (2), is close to the vertical diagonal draw (3) of lateral wall fixed connection of connecting seat (6) of second mounting hole (9) one side.

2. The cast-in-place box girder steel pipe bracket with good stability of claim 1, characterized in that: the connecting seat (6) is U-shaped, and an opening in the connecting seat (6) is clamped on the outer side wall of the connecting disc (5).

3. The cast-in-place box girder steel pipe bracket with good stability of claim 1, characterized in that: the top end of the connecting seat (6) is provided with a jack (10) which is arranged in a penetrating way, and an inclined wedge block (7) is vertically inserted into the jack (10).

4. The cast-in-place box girder steel pipe bracket with good stability of claim 1, characterized in that: the vertical rods (1), the horizontal diagonal rods (2) and the vertical diagonal rods (3) are made of vanadium-manganese alloy structural steel.

5. The cast-in-place box girder steel pipe bracket with good stability of claim 1, characterized in that: the vertical rods (1), the horizontal diagonal rods (2) and the vertical diagonal rods (3) are in silver-gray metallic color.

6. The cast-in-place box girder steel pipe bracket with good stability of claim 1, characterized in that: the bottom end of the connecting seat (6) is provided with a lower notch (11), and the lower notch (11) is matched with the inclined wedge block (7).