CN109290482B - Adjustable anti-floating anchor rod in-situ bending device and method - Google Patents
Adjustable anti-floating anchor rod in-situ bending device and method Download PDFInfo
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- CN109290482B CN109290482B CN201811360085.9A CN201811360085A CN109290482B CN 109290482 B CN109290482 B CN 109290482B CN 201811360085 A CN201811360085 A CN 201811360085A CN 109290482 B CN109290482 B CN 109290482B
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- anchor rod
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F1/00—Bending wire other than coiling; Straightening wire
- B21F1/004—Bending wire other than coiling; Straightening wire by means of press-type tooling
Abstract
The invention discloses an adjustable anti-floating anchor rod in-situ bending device which comprises a steel bar support frame, a fixing screw rod, a connecting steel bar, an adjustable nut, a fixing nut and pressure-bearing angle steel; the reinforcing steel bar support frame is welded with the reinforcing steel bar, and the end part of the connecting reinforcing steel bar is provided with a fixing screw rod; the fixed screw is provided with an adjustable nut, a pressure-bearing angle steel and a fixed nut. The invention has the following effects: the invention saves materials and avoids material waste. The device is simple to manufacture and high in practicability. The device is small in size, can be suitable for bending part of narrow anchor rods, is convenient and easy to take, can be used for completing the bending work of the anchor rods by one operator, and effectively saves manpower. Adopt this device, can carry out stock bending height control through adjusting nut, can be very nimble use at the job site, the stock is hugged closely at the bending process to the device simultaneously, causes the stock can not take place the position in the bending process and rocks, plays positive effect to stock and bed course juncture node protection.
Description
Technical Field
The invention relates to an adjustable anti-floating anchor rod in-situ bending device and method.
Background
Along with the development of urban construction, the development of underground space is more and more emphasized, and large-span space structures such as underground garages and underground malls, such as large-scale public buildings and stadiums, have the balance problem of large-area areas and underground water buoyancy. When the self weight of the structure is not enough to resist the buoyancy generated by underground water, the construction method of adding the anti-floating anchor rod is generally adopted for treatment, the anti-floating anchor rod is an effective technical means, the anti-floating anchor rod has good stratum adaptability, the construction is easy, the arrangement of the anchor rod is very flexible, the anchoring efficiency is high, and due to the characteristic of unidirectional stress, the anti-pulling force and the prestress are easy to control, so that the coordination of the stress and the deformation of a building structure is facilitated, and the construction cost is reduced.
Due to the characteristics of the anti-floating anchor rod, the anti-floating anchor rod is bent after the foundation cushion layer is constructed. In the bending process of the traditional anti-floating anchor rod, a steel bar bending machine is generally used for bending. However, the steel bar bender is large in size, heavy in weight and inconvenient to move, at least two workers are needed for operation, and when the bender is used for bending, the bending point of the anchor rod is not easy to control, so that the bending points of the anchor rod which is formed by bending are not on the same plane, the problems that the bending quality is poor and the like can be caused. And use the bending machine to carry out the bending to the stock, do not take safeguard procedures to the stock root, probably cause stock and bed course handing-over department node not hard up in the bending process, cause this department to have the seepage risk.
Disclosure of Invention
The object of the present invention is to solve at least one of the above-mentioned problems and to provide advantages which will be described later.
The invention also aims to provide an adjustable anti-floating anchor rod in-situ bending device and method.
The purpose of the invention is realized by the following technical scheme:
the adjustable anti-floating anchor rod in-situ bending device comprises a steel bar support frame, a fixing screw rod, a connecting steel bar, an adjustable nut, a fixing nut and pressure-bearing angle steel;
the reinforcing steel bar support frame is welded with the reinforcing steel bar, and the end part of the connecting reinforcing steel bar is provided with a fixing screw rod;
the fixed screw is provided with an adjustable nut, a pressure-bearing angle steel and a fixed nut.
Preferably, the number of the reinforcing steel bar support frames is at least two.
Preferably, the reinforcing steel bar support frame is triangular or A-shaped.
As an optimal mode, pressure-bearing angle steel is arranged between the adjustable nut and the fixed nut, the adjustable nut is positioned below the pressure-bearing angle steel, and the fixed nut is positioned on the pressure-bearing angle steel.
As a preferred mode, the steel bar support frame is formed by welding three steel bars, and the number of the steel bar support frames is two, so that the material consumption is saved as much as possible while the balance requirement is met;
the top of the steel bar support frame is welded with the steel bars, the minimum distance between the two ends of the connecting steel bars and the nearest steel bar support frame is 1cm, and the maximum distance is not more than 20 cm.
As an optimal mode, the two ends of the connecting steel bars are consistent in distance from the nearest steel bar supporting frame, the two ends are stressed more evenly, and the phenomenon that the whole bending device turns on one side in the using process is avoided.
As the preferred mode, the top of pressure-bearing angle steel sets up an arc recess at least, and at the in-process of exerting oneself, the initial bending point of anti-floating anchor rod skew can be avoided to the arc recess.
As the preferred mode, it still includes a steel pipe, and the internal diameter of steel pipe is greater than the diameter 1mm-10mm of anti-floating anchor rod all can, through the steel pipe bending anti-floating anchor rod, more laborsaving.
Preferably, the steel pipe has a length of 1m to 2m, preferably 1.5 m, which is convenient for a worker to handle and pick up.
The use method of the adjustable anti-floating anchor rod in-situ bending device comprises the following steps:
the method comprises the following steps: after the anti-floating anchor rod is constructed, the foundation cushion layer achieves the pressure-bearing strength after being poured, and then the anchor rod can be bent;
step two: determining the height of a bending point of the anti-floating anchor rod according to the requirements of a design drawing;
step three: the height of the pressure-bearing angle steel is adjusted by the adjustable nut and the fixed nut of the bending device,
step four: adjusting an adjusting nut and a fixing nut on the fixing screw rod to enable the height of the top point of the pressure-bearing angle steel from the ground to be consistent with the height of an anchor rod bending point required by design;
step five: moving the anchor rod bending device with the adjusted height to the anchor rod to be bent, and ensuring that the angle steel is leaned against the anchor rod to be bent;
step six: sleeving a steel pipe on an anchor rod to be bent, wherein the depth point of the steel pipe sleeved on the anchor rod is the bending point of the anchor rod;
step seven: and (3) pressing the steel pipe downwards with force to enable the action point of the downward pressure to be located at the bending point of the anchor rod, so that the anchor rod is bent, and the bending of the anchor rod is completed.
The invention has the beneficial effects that:
1. the invention can be made of materials discarded on the site of a construction site, so that the materials can be more effectively utilized, the materials are saved, and the material waste is avoided.
2. The device is simple to manufacture, and strong in practicability, and most construction sites can be manufactured by the device schematic diagram.
3. The device is small in size, can be suitable for bending part of narrow anchor rods, is convenient and easy to take, can be used for completing the bending work of the anchor rods by one operator, and effectively saves manpower.
4. Adopt this device, can carry out stock bending height control through adjusting nut, can be very nimble use at the job site, the stock is hugged closely at the bending process to the device simultaneously, causes the stock can not take place the position in the bending process and rocks, plays positive effect to stock and bed course juncture node protection.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a second schematic structural diagram of the present invention;
FIG. 3 shows one of the states of use of the present invention;
FIG. 4 shows a second state of use of the present invention;
in the figure, 1-a steel bar support frame, 2-a fixed screw rod, 3-a connecting steel bar, 4-an adjustable nut, 5-a fixed nut, 6-a pressure-bearing angle steel, 7-an anti-floating anchor rod and 8-a steel pipe.
Detailed Description
The technical solutions of the present invention are further described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following.
As shown in fig. 1-4, the adjustable anti-floating anchor rod in-situ bending device includes a steel bar support frame 1, a fixing screw 2, a connecting steel bar 3, an adjustable nut 4, a fixing nut 5 and a pressure-bearing angle steel 6;
the reinforcing steel bar support frame 1 is welded with a reinforcing steel bar 3, and the end part of the connecting reinforcing steel bar 3 is provided with a fixing screw rod 2;
the fixing screw 2 is provided with adjustable nuts 4 (preferably, the number of the adjustable nuts 4 is two or more, so that loosening is not easy to occur), pressure-bearing angle steel 6 and fixing nuts 5.
The anchor rod bending point is determined by using a base composed of a steel bar support frame 1 and connecting steel bars 3 to support an upper structure and a pressing load generated when the anchor rod is bent, and adjusting the ground clearance of the device through an adjustable nut 4 and a fixed nut 5.
Two ends of the connecting steel bar 3 are respectively welded with a screw, and the screw is provided with a fixing nut 5, a pressure-bearing angle steel 6 and two adjusting nuts from top to bottom. In the adjusting process, the two adjusting nuts are firstly adjusted according to the height of the bending point required by the design, the position of the pressure-bearing angle steel 6 is adjusted after the nuts are adjusted, and finally the fixing nut 5 is adjusted, so that the pressure-bearing angle steel 6 is fixed on the screw rod without displacement and loosening.
In a preferred embodiment, the number of the reinforcement cage 1 includes at least two.
In a preferred embodiment, the rebar support 1 is triangular or a-shaped.
In a preferred embodiment, a bearing angle steel 6 is arranged between the adjustable nut 4 and the fixed nut 5, the adjustable nut 4 is positioned below the bearing angle steel 6, and the fixed nut 5 is positioned on the bearing angle steel 6.
In a preferred embodiment, the steel bar support frame 1 is formed by welding three steel bars, and the number of the steel bar support frame 1 is two, so that consumables are saved as much as possible while balance requirements are met;
the top of the steel bar support frame 1 is welded with the steel bars 3, the minimum distance between the two ends of the connecting steel bars 3 and the nearest steel bar support frame 1 is 1cm, and the maximum distance is not more than 20 cm.
In a preferred embodiment, the two ends of the connecting steel bar 3 are consistent with the nearest steel bar support frame 1, the two ends are stressed more uniformly, and the side turning of the whole bending device is avoided in the use process.
In a preferred embodiment, the top of the pressure angle steel 6 is provided with at least one arc-shaped groove, and the arc-shaped groove can prevent the anti-floating anchor rod 7 from deviating from the initial bending point during the force application process.
In a preferred embodiment, the anti-floating anchor rod device further comprises a steel pipe 8, the inner diameter of the steel pipe 8 is 1mm-10mm larger than the diameter of the anti-floating anchor rod 7, and the anti-floating anchor rod 7 is bent through the steel pipe 8, so that labor is saved.
In a preferred embodiment, the steel duct 8 has a length of 1m-2m, preferably 1.5 m, which is convenient for the workers to handle and pick up.
The use method of the adjustable anti-floating anchor rod in-situ bending device comprises the following steps:
waste steel bars, screw rods, nuts and pressure-bearing angle steel 6 are collected according to the schematic drawing of the bending device, collected materials are processed according to the schematic drawing of the device, and finally the adjustable anchor rod bending device is formed.
The method comprises the following steps: after the anti-floating anchor rod 7 is constructed, the foundation cushion layer achieves the pressure-bearing strength after being poured, and then the anchor rod can be bent;
step two: determining the height of a bending point of the anti-floating anchor rod 7 according to the requirements of a design drawing;
step three: the height of the pressure-bearing angle steel 6 is adjusted by the adjustable nut 4 and the fixed nut 5 of the bending device,
step four: adjusting the adjusting nut and the fixing nut 5 on the fixing screw 2 to ensure that the height of the top point of the pressure-bearing angle steel 6 from the ground is consistent with the height of an anchor rod bending point required by design;
step five: moving the anchor rod bending device with the adjusted height to the anchor rod to be bent to ensure that the angle steel is close to the anchor rod to be bent, wherein the central point of the angle steel in the length direction is located at the anchor rod, and preferably, an arc-shaped groove can be formed in the central position of the angle steel in the length direction;
step six: sleeving the steel pipe 8 on the anchor rod to be bent, wherein the depth point of the steel pipe 8 sleeved on the anchor rod is the bending point of the anchor rod;
step seven: and (3) pressing the steel pipe 8 downwards with force to enable the action point of the downward pressure to be located at the bending point of the anchor rod, so that the anchor rod is bent, the downward pressing can be stopped when the anchor rod is bent to 90 degrees, and the anchor rod is bent to complete the next anchor rod bending.
The steel bars used by the device are hot-rolled ribbed steel bars discarded on site, the diameter of the steel bars is 25mm, the diameter of the screw is 14mm, the adjusting nut and the fixing nut 5 are matched with the screw, the size of the pressure-bearing angle steel 6 is 50mm × 50mm × 5mm, the selection of the length of the steel bars is noticed in the manufacturing process, the height of the top of the device from the ground is controlled between 350 mm and 500mm, the height meets the requirement of the bending point height of the common anchor rod design, and corresponding adjustment is needed for special conditions.
The adjustable bending device adopts a lever principle, is a convenient and labor-saving bending device, and can improve the manual bending forming quality, reduce the labor intensity of workers and accelerate the construction speed of the workers.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, it should be noted that any modifications, equivalents and improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. Anti floating stock normal position bending apparatus with adjustable, its characterized in that: the steel bar fixing device comprises a steel bar support frame, a fixing screw rod, a connecting steel bar, an adjustable nut, a fixing nut and pressure-bearing angle steel;
the reinforcing steel bar support frame is welded with the reinforcing steel bar, and the end part of the connecting reinforcing steel bar is provided with a fixing screw rod;
the fixed screw is provided with an adjustable nut, a pressure-bearing angle steel and a fixed nut;
wherein the number of the reinforcing steel bar support frames at least comprises two.
2. The adjustable anti-floating anchor rod in-situ bending device according to claim 1, wherein: the reinforcing steel bar support frame is triangular or A-shaped.
3. The adjustable anti-floating anchor rod in-situ bending device according to claim 1, wherein: a pressure-bearing angle steel is arranged between the adjustable nut and the fixed nut, the adjustable nut is positioned below the pressure-bearing angle steel, and the fixed nut is positioned on the pressure-bearing angle steel.
4. The adjustable anti-floating anchor rod in-situ bending device according to claim 1, wherein: the steel bar support frames are formed by welding three steel bars, and the number of the steel bar support frames is two;
the top of the steel bar support frame is welded with the steel bars, and the minimum distance between the two ends of the connecting steel bars and the nearest steel bar support frame is 1 cm.
5. The adjustable anti-floating anchor rod in-situ bending device according to claim 4, wherein: the two ends of the connecting steel bars are consistent with the nearest steel bar support frame.
6. The adjustable anti-floating anchor rod in-situ bending device according to claim 1, wherein: the top of the pressure-bearing angle steel is at least provided with an arc-shaped groove.
7. The adjustable anti-floating anchor rod in-situ bending device according to claim 1, wherein: it also includes a steel tube.
8. The adjustable anti-floating anchor rod in-situ bending device according to claim 7, wherein: the length of the steel pipe is 1m-2 m.
9. The use method of the adjustable anti-floating anchor rod in-situ bending device is characterized in that:
the method comprises the following steps: after the anti-floating anchor rod is constructed, the foundation cushion layer achieves the pressure-bearing strength after being poured, and then the anchor rod can be bent;
step two: determining the height of a bending point of the anti-floating anchor rod according to the requirements of a design drawing;
step three: the height of the pressure-bearing angle steel is adjusted by the adjustable nut and the fixed nut of the bending device,
step four: adjusting an adjusting nut and a fixing nut on the fixing screw rod to enable the height of the top point of the pressure-bearing angle steel from the ground to be consistent with the height of an anchor rod bending point required by design;
step five: moving the anchor rod bending device with the adjusted height to the anchor rod to be bent, and ensuring that the angle steel is leaned against the anchor rod to be bent;
step six: sleeving a steel pipe on an anchor rod to be bent, wherein the depth point of the steel pipe sleeved on the anchor rod is the bending point of the anchor rod;
step seven: and (3) pressing the steel pipe downwards with force to enable the action point of the downward pressure to be located at the bending point of the anchor rod, so that the anchor rod is bent, and the bending of the anchor rod is completed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811360085.9A CN109290482B (en) | 2018-11-15 | 2018-11-15 | Adjustable anti-floating anchor rod in-situ bending device and method |
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| CN201811360085.9A CN109290482B (en) | 2018-11-15 | 2018-11-15 | Adjustable anti-floating anchor rod in-situ bending device and method |
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| CN109290482B true CN109290482B (en) | 2020-06-23 |
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| CN113617968B (en) * | 2021-08-18 | 2023-01-17 | 中国十七冶集团有限公司 | Anti-floating anchor rod bending device and construction method thereof |
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| CN203795483U (en) * | 2014-01-26 | 2014-08-27 | 山河建设集团有限公司 | Anti-floating anchor rod backward bending device |
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| CN201482836U (en) * | 2009-08-10 | 2010-05-26 | 湖北中建三局建筑工程技术有限责任公司 | Floating resistant anchor rod bending equipment and system thereof |
| CN202646920U (en) * | 2012-07-04 | 2013-01-02 | 中国十七冶集团有限公司 | Rolling rail car type pipeline support |
| CN103821144B (en) * | 2014-03-14 | 2016-08-24 | 中国建筑第八工程局有限公司 | Anti-float anchor rod water proof structure and construction method thereof |
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| CN206846095U (en) * | 2017-06-28 | 2018-01-05 | 青岛安装建设股份有限公司 | A kind of adjustable both sides saddle pillar of large-scale steel pipe valve well service sleeve |
| CN206998842U (en) * | 2017-07-14 | 2018-02-13 | 四川广安鑫光电力铁塔有限公司 | A kind of support frame of steel tower accessory |
| CN207647196U (en) * | 2017-11-24 | 2018-07-24 | 中国建筑第六工程局有限公司 | It is a kind of to be used for the device that framework of steel reinforcement height is adjusted when anchor bolt construction |
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|---|---|---|---|---|
| CN203795483U (en) * | 2014-01-26 | 2014-08-27 | 山河建设集团有限公司 | Anti-floating anchor rod backward bending device |
| CN204850249U (en) * | 2015-07-23 | 2015-12-09 | 中国建筑第八工程局有限公司 | General type stirrup positioner |
| CN206632154U (en) * | 2017-02-27 | 2017-11-14 | 青岛东捷建设工程有限公司 | Flat roof deck builds parapet guardrail round steel bending device |
| CN206898114U (en) * | 2017-07-14 | 2018-01-19 | 新昌县七星街道金源机床配件经营部 | A kind of machining bending tool |
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