CN216787656U

CN216787656U - Support device in telescopic steel reinforcement cage

Info

Publication number: CN216787656U
Application number: CN202123110328.3U
Authority: CN
Inventors: 赵艳龙; 胡柱奎; 张广瑜; 汪正科; 王豹; 郑律君; 龚灼; 卫志远
Original assignee: First Engineering Co Ltd of CTCE Group
Current assignee: First Engineering Co Ltd of CTCE Group
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-06-21
Anticipated expiration: 2031-12-10

Abstract

The utility model discloses an internal support device of a telescopic reinforcement cage, which comprises a cross-shaped connecting steel plate, four screw rods, an adjusting screw buckle in threaded connection with each screw rod and a movable steel sleeve sleeved on each screw rod, wherein the inner ends of the four screw rods are respectively fixed at the four ends of the cross-shaped connecting steel plate, the adjusting screw buckles on the screw rods are positioned at the inner sides of the movable steel sleeve, the flange surfaces of the adjusting screw buckles are in close contact with the inner end surfaces of the movable steel sleeve, and the outer end of each movable steel sleeve is fixedly provided with a U-shaped buckle. The U-shaped buckle is convenient to be clamped and fixed with the main reinforcement, the damage of the cutting to the main reinforcement when the traditional welding installation mode is disassembled is avoided, and the quality of a pile foundation reinforcement cage is improved; the position between the movable steel sleeve and the screw is adjusted through the adjusting screw, so that the steel bar cage support is convenient to mount and dismount, and the purpose of adjusting the length can be quickly realized through rotating the adjusting screw, so that the steel bar cage support is suitable for inner supports of steel bar cages with different diameters.

Description

Support device in telescopic steel reinforcement cage

Technical Field

The utility model relates to the technical field of large-diameter pile foundation reinforcement cages, in particular to an inner supporting device of a telescopic reinforcement cage.

Background

With the rapid development of highway bridges in China, large-diameter bored piles are widely applied due to the advantages of high bearing capacity, wide adaptability and the like, especially in areas with complex geological conditions.

The reinforcement cage of the pile foundation has the characteristics of large diameter, large self weight, high requirement on manufacturing precision and the like. After the steel reinforcement cage is processed, the steel reinforcement cage is stored, transported and hoisted, and the radial deformation of the steel reinforcement cage is serious due to the overlarge dead weight of the steel reinforcement cage, so that the construction quality of a pile foundation can be influenced. It is therefore necessary to somehow control the radial deformation of the reinforcement cage.

At present, the mode of controlling the radial deformation of the steel reinforcement cage in practical engineering is mainly that a plurality of steel reinforcements are used for simply supporting a triangle or a cross inside the steel reinforcement cage during the processing of the steel reinforcement cage, and the steel reinforcement cage is connected with a steel reinforcement cage main body in a welding mode. When the supporting rod needs to be removed in site pile foundation construction, the supporting steel bar is cut off or knocked out violently. The method has the advantages that the raw materials are easy to find, the processing and dismantling operation is very simple and convenient, but the method has the following defects: (1) if the support steel bars are not operated properly in the processes of welding, cutting and violent knockout, certain damage can be caused to the steel bar cage main body; (2) and the field construction condition is complex, and after the supporting steel bars are dismantled, the supporting steel bars can not be recycled basically, so that great waste is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing the telescopic steel reinforcement cage inner supporting device which can be repeatedly used and effectively reduce the radial deformation of the steel reinforcement cage.

The technical scheme of the utility model is as follows:

the utility model provides a telescopic steel reinforcement cage internal support device, is including cross connecting plate, four screws, threaded connection regulation spiro union on every screw and the movable steel sleeve of suit on every screw, the inner of four screws be fixed in four end departments of cross connecting plate respectively, regulation spiro union on the screw be located the inboard of movable steel sleeve and with the inner in close contact with of movable steel sleeve, all be fixed with U type buckle on the outer end of every movable steel sleeve, the equal level setting of U type buckle on four movable steel sleeve outer ends, the notch of four U type buckles is all outwards.

The cross-shaped connecting steel plate is formed by connecting two cross-shaped crossed linear steel plates through pins.

The adjusting screw thread comprises a flange face nut in threaded connection with the screw rod and a plurality of rotating force application rods fixed on the outer ring of the flange face nut, the rotating force application rods are arranged along the radial extension line of the flange face nut, and the rotating force application rods are evenly arranged along the circumferential direction of the flange face nut.

The inner end of each screw rod is provided with a U-shaped socket, the end of the cross-shaped connecting steel plate is inserted into the U-shaped socket and the cross-shaped connecting steel plate and the U-shaped socket are welded and fixed.

The utility model has the advantages that:

(1) the steel structure in the utility model ensures the overall strength of the support device in the telescopic reinforcement cage, has uniform and reasonable overall stress, and can effectively reduce the radial deformation of the reinforcement cage.

(2) The U-shaped buckle is arranged at the outer end of the movable steel sleeve and is convenient to be clamped and fixed with the main reinforcement, damage to the main reinforcement caused by cutting in the traditional welding and mounting mode during disassembly is avoided, and the quality of the pile foundation reinforcement cage is improved.

(3) The position between the movable steel sleeve and the screw rod is adjusted through the adjusting screw threads, so that the steel bar cage support is convenient to mount and dismount, and the purpose of adjusting the length can be quickly realized through rotating the adjusting screw threads, so that the steel bar cage support is suitable for inner supports of steel bar cages with different diameters.

(4) The utility model can be repeatedly used, is convenient to disassemble and recover, is easy to manage and not easy to lose, avoids the defect that a large amount of materials are wasted in the traditional supporting mode, and obtains good economic benefit.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic structural view of a cross-shaped connection steel plate of the present invention.

Fig. 3 is a schematic structural view of the adjusting screw of the present invention.

Reference numerals: 1-cross connecting steel plate, 2-screw, 3-adjusting screw buckle, 4-movable steel sleeve, 5-U-shaped buckle, 11-linear steel plate, 12-pin, 31-flange nut and 32-rotary force application rod.

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.

See fig. 1, a telescopic reinforcement cage internal supporting device, including cross connecting steel plate 1, four screws 2, threaded connection is in regulation turnbuckle 3 on every screw 2 and the movable steel sleeve 4 of suit on every screw 2, the inner of every screw 2 all is provided with the U-shaped socket, the end of cross connecting steel plate 1 inserts in the U-shaped socket and both welded fastening, thereby make four inner of screw 2 be fixed in four end departments of cross connecting steel plate 1 respectively, regulation turnbuckle 3 on screw 2 is located the inboard of movable steel sleeve 4 and the flange face of regulation turnbuckle 3 and the interior terminal surface in close contact with of movable steel sleeve 4, all be fixed with U-shaped buckle 5 on the outer end of every movable steel sleeve 4, the U-shaped buckle 5 on the outer end of four movable steel sleeves 4 all sets up horizontally, the notch of four U-shaped buckles 5 is all outwards.

Referring to fig. 2, a cross-shaped connection steel plate 1 is formed by connecting two cross-shaped linear steel plates 11 through pins 12.

See fig. 3, adjust turnbuckle 3 including threaded connection flange face nut 31 on screw rod 2 and be fixed in three rotation application of force pole 32 on the flange face nut 31 outer lane, three rotation application of force pole 32 all sets up and three rotation application of force pole 32 evenly sets up along the circumference of flange face nut 31 along the radial extension line setting of flange face nut 31, when adjusting turnbuckle 3 and rotating along screw rod 2, constructor promotes rotation application of force pole 32 and realizes the rotation regulation of flange face nut 31.

The working principle of the utility model is as follows:

the installation process comprises the following steps:

(1) firstly, welding and fixing two screw rods 2 on two ends of each linear steel plate 11, installing a corresponding adjusting screw buckle 3 and a corresponding movable steel sleeve 4 on each screw rod, then entering the interior of a steel reinforcement cage, vertically arranging one of the assembled linear steel plates 11, clamping a main rib horizontally arranged at the bottom of the steel reinforcement cage into a U-shaped buckle 5 positioned at the bottom, adjusting the adjusting screw buckle 3 positioned on the lower screw rod 2 to enable the center of the cross-shaped connecting steel plate 1 to be approximately superposed with the axis of the steel reinforcement cage, and then adjusting the adjusting screw buckle 3 positioned on the upper screw rod 2 to enable the horizontal main rib at the top of the steel reinforcement cage to be clamped into the U-shaped buckle 5 positioned at the top;

(2) the other assembled linear steel plate 11 is horizontally arranged, the centers of the two linear steel plates 11 are fixedly connected through a pin 12 to form a cross-shaped connecting steel plate 1, and the adjusting screw buckles 3 on the two horizontally arranged screw rods 2 are adjusted, so that the main ribs on the left side and the right side of the reinforcement cage are respectively clamped into the U-shaped buckles 5 on the left end and the right end;

(3) and finely adjusting the four adjusting screw buckles 3 to ensure that the U-shaped buckle 5 is firmly connected with the main reinforcement and the center of the cross-shaped connecting steel plate 1 is superposed with the axis of the reinforcement cage.

And (3) dismantling:

(1) the arms of constructors extend into the reinforcement cage through gaps between the main reinforcements and the stirrups, the adjusting screw buckles 3 of the two horizontal screws 2 are rotated to enable the two horizontally arranged movable sleeves 4 to move towards the direction of the cross-shaped connecting steel plate 1 until the main reinforcements at the left end and the right end are completely positioned outside the U-shaped buckle 5, then the pins 12 are removed to enable the two linear steel plates 11 to be separated, and finally the horizontally arranged assembled linear steel plates 11 are moved out of the reinforcement cage;

(2) the adjusting screw buckles 3 on the two rotating vertical screw rods 2 enable the movable sleeves 4 of the two vertical setting to move towards the direction of the cross-shaped connecting steel plate 1 until the main ribs at the top end and the bottom end are completely positioned outside the U-shaped buckle 5, and finally the assembled linear steel plate 11 of the vertical setting is moved out of the steel reinforcement cage.

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 support device in telescopic steel reinforcement cage which characterized in that: the adjustable steel sleeve comprises a cross-shaped connecting steel plate, four screws, adjusting screw buckles in threaded connection with each screw and a movable steel sleeve sleeved on each screw, wherein the inner ends of the four screws are fixed at four ends of the cross-shaped connecting steel plate respectively, the adjusting screw buckles on the screws are located on the inner sides of the movable steel sleeve and the flange surfaces of the adjusting screw buckles are in close contact with the inner end surface of the movable steel sleeve, U-shaped buckles are fixed on the outer ends of the movable steel sleeve respectively, the U-shaped buckles on the outer ends of the four movable steel sleeves are arranged horizontally, and notches of the four U-shaped buckles face outwards.

2. The support device in a telescopic reinforcement cage of claim 1, wherein: the cross-shaped connecting steel plate is formed by connecting two cross-shaped crossed linear steel plates through pins.

3. The support device in a telescopic reinforcement cage of claim 1, wherein: the adjusting screw thread comprises a flange face nut in threaded connection with the screw rod and a plurality of rotating force application rods fixed on the outer ring of the flange face nut, the rotating force application rods are arranged along the radial extension line of the flange face nut, and the rotating force application rods are evenly arranged along the circumferential direction of the flange face nut.

4. The support device in a telescopic reinforcement cage of claim 1, wherein: the inner end of each screw rod is provided with a U-shaped socket, the end of the cross-shaped connecting steel plate is inserted into the U-shaped socket and the cross-shaped connecting steel plate and the U-shaped socket are welded and fixed.