CN110778122A - Tie bar bending tool and use method thereof - Google Patents
Tie bar bending tool and use method thereof Download PDFInfo
- Publication number
- CN110778122A CN110778122A CN201911069127.8A CN201911069127A CN110778122A CN 110778122 A CN110778122 A CN 110778122A CN 201911069127 A CN201911069127 A CN 201911069127A CN 110778122 A CN110778122 A CN 110778122A
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- CN
- China
- Prior art keywords
- operating rod
- tie bar
- hinge bolt
- limiting
- operating
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/12—Mounting of reinforcing inserts; Prestressing
- E04G21/122—Machines for joining reinforcing bars
-
- 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
- B21F1/008—Bending wire other than coiling; Straightening wire in 3D with means to rotate the wire about its axis
Abstract
The invention relates to a tie bar bending tool and a use method thereof, which are used for bending a joint of a tie bar, wherein the joint extends into a to-be-bent end of a steel bar framework to form an acute angle to hook a node of the steel bar framework, and the tool comprises: the lacing wire instrument of buckling includes: the limiting pipe is used for being connected with the lacing bar and comprises a limiting end and a moving end, wherein the limiting end is sleeved on the end to be bent of the lacing bar, and the moving end is opposite to the limiting end; the first operating rod is hinged to the limiting end of the limiting pipe; articulate the second action bars in the removal end of spacing pipe, through with first action bars and drawknot muscle parallel arrangement to operation second action bars makes the removal end of spacing pipe rotate to spacing pipe and first action bars round spacing end and be the acute angle, realizes buckling into the acute angle with the drawknot muscle in order to collude the node that is fixed in framework of steel reinforcement. The invention solves the problem that in the process of bending the steel bar in the prior art, because the acute angle hook hooks the steel bar framework tightly and takes the steel bar framework as a stress point, the binding point of the steel bar is easy to fall off, and the stability of the steel bar framework is influenced.
Description
Technical Field
The invention relates to the field of building construction, in particular to a tie bar bending tool and a using method thereof.
Background
In reinforced concrete engineering, structural members such as urban subway station structures, basic raft structures, underground shear wall structures and large-section medium plate structures bear larger loads in use stages, working conditions of permanent loads and variable loads commonly exist, and meanwhile, considering the anti-seismic performance, tie bars are often arranged in the structural reinforcement design stage to improve the oblique-section shear resistance of the structures. The tie bar is also called a hook bar and a single limb hoop, and is generally a single steel bar with two ends bent by 135 degrees to be hooked on the corresponding steel bar mesh.
The steel bar framework is bound on the template, wherein one side of the steel bar framework is limited in construction space due to the fact that the steel bar framework is close to the template, and therefore the tie bars need to stretch into the steel bar framework from the other side of the steel bar framework to hook the steel bar framework. For example, the tie bars can only be installed from the inside of the structure during the construction of the underground shear wall. In the bottom plate construction, the tie bars can only be installed from top to bottom due to the space limitation of the lower template. The above are collectively referred to as tie bar construction single-side space limitation.
In the prior art, one end of a drawknot rib is bent by 90 degrees to form a right-angle hook, and the other end of the drawknot rib is bent by 135 degrees to form an acute-angle hook. The steel bar framework is characterized in that the acute angle hook is hooked tightly to a node on one side of the steel bar framework on a construction site, the right angle hook corresponds to a node on the other side of the steel bar framework, and then the steel pipe is used for hooking the right angle hook to be bent so as to be fixed on the steel bar framework in a bending mode. But because acute angle hook tight steel reinforcement skeleton uses steel reinforcement skeleton as the stress point at the in-process of the reinforcing bar of buckling, easily cause the reinforcement binding point to drop, influence steel reinforcement skeleton's stability.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a tie bar bending tool and a using method thereof, and solves the problems that in the process of bending a steel bar in the prior art, because an acute angle hook is used for hooking a steel bar framework tightly and the steel bar framework is used as a stress point, the binding point of the steel bar is easy to fall off, and the stability of the steel bar framework is influenced.
The technical scheme for realizing the purpose is as follows:
the invention provides a tie bar bending tool, which is used for bending a joint of a tie bar, wherein the joint extends into a to-be-bent end of a steel bar framework to form an acute angle to hook the steel bar framework, and the tie bar bending tool comprises:
the limiting pipe is used for being connected with the lacing bar and comprises a limiting end and a moving end, wherein the limiting end is sleeved on the end to be bent of the lacing bar, and the moving end is opposite to the limiting end;
the first operating rod is hinged to the limiting end of the limiting pipe; and
and the second operating rod is hinged to the moving end of the limiting pipe, and the first operating rod and the tie bar are arranged in parallel, and the second operating rod is operated to enable the moving end of the limiting pipe to rotate around the limiting end until the limiting pipe and the first operating rod form an acute angle, so that the tie bar is bent into the acute angle to hook the node fixed on the steel reinforcement framework.
The invention further improves the lacing wire bending tool,
the first operating rod and the second operating rod are hinged through a first hinge bolt;
the first operating rod is provided with a sliding groove for the first hinge bolt to penetrate through, and the first hinge bolt slides in the sliding groove in the moving process of the second operating rod.
The invention further improves the tie bar bending tool, which also comprises: and a third operating lever hinged to the top end of the second operating lever by a second hinge bolt, the third operating lever being hinged to the first operating lever by a third hinge bolt, the third operating lever being moved by rotating the third operating lever about the third hinge bolt.
The invention further improves the lacing wire bending tool,
the top end of the third operating rod forms an arc-shaped handle.
The invention further improves the lacing wire bending tool,
the top end of the first operating rod is bent into a handle.
The invention also provides a use method of the tie bar bending tool, which comprises the following steps:
stretching the tie bar into the steel bar framework, wherein the end to be bent of the tie bar is positioned at the node of the steel bar framework;
arranging a first operating rod and the tie bar in parallel; and
and operating the second operating rod to enable the moving end of the limiting pipe to rotate around the limiting end until the limiting pipe and the first operating rod form an acute angle, so that the tie bar is bent into the acute angle to hook the node fixed on the steel reinforcement framework.
The invention further improves the use method of the lacing wire bending tool, and the use method also comprises the following steps:
providing a first hinge bolt, and connecting the first operating rod and the second operating rod in a hinged mode by adopting the first hinge bolt; and
the first operating rod is provided with a sliding groove for the first hinge bolt to penetrate through, and the first hinge bolt slides in the sliding groove in the moving process of the second operating rod.
The invention further improves the use method of the lacing wire bending tool, and the use method also comprises the following steps:
providing a third operating rod and a second hinge bolt, and hinging the third operating rod to the top end of the second operating rod by adopting the second hinge bolt;
providing a third hinge bolt, and adopting the third hinge bolt to hinge and connect the third operating rod and the first operating rod;
operating the second operating lever includes:
rotating the third operating lever about the third hinge bolt to move the second operating lever.
The use method of the tie bar bending tool is further improved in that the top end of the third operating rod forms an arc-shaped handle.
The use method of the lacing wire bending tool is further improved in that the top end of the first operating rod is bent into a handle.
The invention discloses a lacing wire bending tool and a using method thereof, and has the beneficial effects that:
according to the invention, the first operating rod and the tie bar are arranged in parallel, the position of the first operating rod is stabilized and unchanged, and then the second operating rod is operated to enable the moving end of the limiting pipe to rotate around the limiting end until the limiting pipe and the first operating rod form an acute angle, so that the tie bar is bent into the acute angle to hook the node fixed on the steel bar framework. The first operating rod and the second operating rod are matched with each other to perform suspended force application operation, force application is not needed by means of the steel reinforcement framework, manual bending can be replaced by inserting the rods from gaps of the steel reinforcement framework due to the small size of the rods, manual entering into the steel reinforcement framework is not needed, construction operation is convenient, and the problems that in the process of bending the steel reinforcement in the prior art, binding points of the steel reinforcement are easy to fall off and stability of the steel reinforcement framework is affected due to the fact that the steel reinforcement framework is hooked by the acute angle hooks and the steel reinforcement framework serves as stress points are solved.
Drawings
Fig. 1 is a front view of the tie bar bending tool and the steel bar framework of the present invention before bending the steel bar.
Fig. 2 is a front view of the tie bar bending tool and the steel reinforcement cage after bending the steel reinforcement in accordance with the present invention.
Fig. 3 is a front view of the lacing wire bending tool of the present invention.
Fig. 4 is a side view of the lacing wire bending tool of the present invention.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
Referring to fig. 1, a front view of the tie bar bending tool and the steel bar framework before bending the steel bar is shown. Fig. 2 is a front view of the tie bar bending tool and the steel reinforcement cage after bending the steel reinforcement in accordance with the present invention. Referring to fig. 1 and 2, the tie bar bending tool of the present invention is used for bending a node of a tie bar 10 extending into a to-be-bent end 11 of a steel bar framework 20 to form an acute angle to hook the steel bar framework 20, and the tie bar bending tool includes:
the limiting pipe 30 is used for being connected with the lacing bar 10, and the limiting pipe 30 comprises a limiting end and a moving end, wherein the limiting end is sleeved on the end to be bent 11 of the lacing bar 10, and the moving end is opposite to the limiting end;
a first operating lever 40 hinged to a limit end of the limit pipe 30; and
the second operating rod 50 hinged to the moving end of the limiting pipe 30 is arranged in parallel with the first operating rod 40 and the tie bar 10, and the second operating rod 50 is operated to enable the moving end of the limiting pipe 30 to rotate around the limiting end to the limiting pipe 30 and the first operating rod 40 to form an acute angle, so that the tie bar 10 is bent into the acute angle to hook a node fixed on the steel reinforcement framework 20.
In this embodiment, the limiting tube 30 is a hollow tube with two open ends and penetrating through, and the end 11 to be bent of the lacing bar 10 is sleeved with the limiting end of the limiting tube 30, so as to connect the bending tool with the lacing bar 10, thereby facilitating the subsequent bending of the lacing bar 10.
Preferably, a first hinge member 31 and a second hinge member 32 are provided, the first hinge member 31 is fixed to an outer wall surface of the stopper end of the stopper tube 30, and the first hinge member 31 is hinge-coupled to the bottom of the first operating lever 40. The second hinge 32 is fixed to an outer wall surface of the moving end of the stopper tube 30, and the second hinge 32 is hinge-coupled to the bottom of the second lever 50.
In the present embodiment, the first hinge 31 and the second hinge 32 each employ a hinge bolt.
In operation, the first operating rod 40 and the tie bar 10 are arranged in parallel, and then the second operating rod 50 is operated to drive the movable end of the limiting tube 30 to rotate around the first hinge 31, so as to change the size of the included angle between the limiting tube 30 and the first operating rod 40. The included angle between the limiting pipe 30 and the first operating rod 40 is equal to the included angle formed by the tie bar 10 and the end to be bent 11.
As a preferred embodiment of the tie bar bending tool of the present invention, fig. 3 is a front view of the tie bar bending tool of the present invention. Fig. 4 is a side view of the lacing wire bending tool of the present invention. As shown in fig. 1 to 4, the first operating lever 40 and the second operating lever 50 are connected by a first hinge bolt hinge 61; the first operating rod 40 is provided with a sliding slot for the first hinge bolt 61 to penetrate through, and the first hinge bolt 61 slides in the sliding slot in the moving process of the second operating rod 50. The sliding groove is vertically formed along the first operating rod 40, and the length of the sliding groove is greater than the moving distance of the first hinge bolt 61.
As a preferred embodiment of the tie bar bending tool of the present invention, the present invention further includes: a third operating lever 70 hinged to the top end of the second operating lever 50 by a second hinge bolt 62, the third operating lever 70 and the first operating lever 40 being hingedly connected by a third hinge bolt 63, the second operating lever 50 being moved by rotating the third operating lever 70 about the third hinge bolt 63.
As a preferred embodiment of the tie bar bending tool of the present invention, the top end of the third operating lever 70 forms an arc-shaped handle, which facilitates the downward pressing movement of the third operating lever 70 during the operation.
As a preferred embodiment of the tie bar bending tool of the present invention, the top end of the first operating lever 40 is bent into a handle.
The invention also provides a use method of the tie bar bending tool, which comprises the following steps:
stretching the tie bar 10 into the steel bar framework 20, wherein the end 11 to be bent of the tie bar 10 is positioned at a node of the steel bar framework 20;
arranging the first operating rod 40 and the tie bar 10 in parallel; and
the second operating rod 50 is operated to rotate the moving end of the limiting tube 30 around the limiting end until the limiting tube 30 and the first operating rod 40 form an acute angle, so that the tie bar 10 is bent into an acute angle to hook the node fixed on the steel reinforcement frame 20.
As a preferred embodiment of the method for using the tie bar bending tool of the present invention, the present invention further comprises:
providing a first hinge bolt 61, and using the first hinge bolt 61 to hinge and connect the first operating lever 40 and the second operating lever 50; and
the first operating lever 40 is provided with a sliding slot for the first hinge bolt 61 to penetrate through, and the first hinge bolt 61 slides in the sliding slot in the moving process of the second operating lever 50.
As a preferred embodiment of the method for using the tie bar bending tool of the present invention, the present invention further comprises:
providing a third operating lever 70 and a second hinge bolt 62, and hinging the third operating lever 70 to the top end of the second operating lever 50 by using the second hinge bolt 62;
providing a third hinge bolt 63, and using the third hinge bolt 63 to hinge and connect the third operating rod 70 and the first operating rod 40;
operating the second operating lever 50 includes:
the third operating lever 70 is rotated about the third hinge bolt 63 to move the second operating lever 50.
As a preferred embodiment of the method for using the tie bar bending tool of the present invention, the top end of the third operating lever 70 is formed with an arc-shaped handle.
As a preferred embodiment of the method of using the tie bar bending tool of the present invention, the top end of the first operating lever 40 is bent into a handle.
The following is a method of using the tie bar bending tool of the present invention in one embodiment:
in the construction of pouring to form the bottom plate, the steel reinforcement framework comprises an upper steel reinforcement mesh and a lower steel reinforcement mesh which are relatively parallel up and down. The mesh reinforcement includes cross-linked reinforcement bars formed with a plurality of connection nodes. Because the bottom of the lower reinforcing mesh is provided with the template without redundant construction space, the tie bars are vertically inserted from the upper reinforcing mesh to the lower reinforcing mesh. The top end of the tie bar is bent into an acute angle to hook one connecting node of the upper steel bar net, the bottom end of the tie bar is bent into a right angle, and the bending section is inserted at the bottom of one connecting node of the lower steel bar net.
The tool is operated, the limiting pipe of the tool is sleeved on the bending section of the lacing wire, the first operating rod of the tool is vertically arranged and is arranged in parallel with the lacing wire, and the position of the first operating rod is stably kept unchanged by the left hand. The third operating rod is held by the right hand and pressed downwards, so that the second operating rod pulls the moving end of the limiting pipe upwards until the limiting pipe and the first operating rod form an acute angle, namely the bending section of the tie bar and the vertically arranged part are bent into an acute angle to hook the corresponding connecting node fixed on the lower reinforcing mesh. After the bending construction is finished, the limiting pipe is separated from the bending section of the lacing wire so as to take out the device to enter the next construction.
The invention discloses a lacing wire bending tool and a using method thereof, and the lacing wire bending tool has the beneficial effects that:
according to the invention, the first operating rod and the tie bar are arranged in parallel, the position of the first operating rod is stabilized and unchanged, and then the second operating rod is operated to enable the moving end of the limiting pipe to rotate around the limiting end until the limiting pipe and the first operating rod form an acute angle, so that the tie bar is bent into the acute angle to hook the node fixed on the steel bar framework. The first operating rod and the second operating rod are matched with each other to perform suspended force application operation, force application is not needed by means of the steel reinforcement framework, manual bending can be replaced by inserting the rods from gaps of the steel reinforcement framework due to the small size of the rods, manual entering into the steel reinforcement framework is not needed, construction operation is convenient, and the problems that in the process of bending the steel reinforcement in the prior art, binding points of the steel reinforcement are easy to fall off and stability of the steel reinforcement framework is affected due to the fact that the steel reinforcement framework is hooked by the acute angle hooks and the steel reinforcement framework serves as stress points are solved.
While the present invention has been described in detail and with reference to the embodiments thereof as illustrated in the accompanying drawings, it will be apparent to one skilled in the art that various changes and modifications can be made therein. Therefore, certain details of the embodiments are not to be interpreted as limiting, and the scope of the invention is to be determined by the appended claims.
Claims (10)
1. The utility model provides a drawknot muscle instrument of buckling for the end of buckling that stretches into of drawknot muscle is waited to bend and is caught the node of steel reinforcement skeleton in order to form the acute angle, a serial communication port, the drawknot muscle instrument of buckling includes:
the limiting pipe is used for being connected with the lacing bar and comprises a limiting end and a moving end, wherein the limiting end is sleeved on the end to be bent of the lacing bar, and the moving end is opposite to the limiting end;
the first operating rod is hinged to the limiting end of the limiting pipe; and
and the second operating rod is hinged to the moving end of the limiting pipe, and the first operating rod and the tie bar are arranged in parallel, and the second operating rod is operated to enable the moving end of the limiting pipe to rotate around the limiting end until the limiting pipe and the first operating rod form an acute angle, so that the tie bar is bent into the acute angle to hook the node fixed on the steel reinforcement framework.
2. The tie bar bending tool of claim 1,
the first operating rod and the second operating rod are hinged through a first hinge bolt;
the first operating rod is provided with a sliding groove for the first hinge bolt to penetrate through, and the first hinge bolt slides in the sliding groove in the moving process of the second operating rod.
3. The tie bar bending tool of claim 2, further comprising: and a third operating lever hinged to the top end of the second operating lever by a second hinge bolt, the third operating lever being hinged to the first operating lever by a third hinge bolt, the third operating lever being moved by rotating the third operating lever about the third hinge bolt.
4. The tie bar bending tool of claim 3,
the top end of the third operating rod forms an arc-shaped handle.
5. The tie bar bending tool of claim 1,
the top end of the first operating rod is bent into a handle.
6. A method of using the tie bar bending tool of claim 1, comprising the steps of:
stretching the tie bar into the steel bar framework, wherein the end to be bent of the tie bar is positioned at the node of the steel bar framework;
arranging a first operating rod and the tie bar in parallel; and
and operating the second operating rod to enable the moving end of the limiting pipe to rotate around the limiting end until the limiting pipe and the first operating rod form an acute angle, so that the tie bar is bent into the acute angle to hook the node fixed on the steel reinforcement framework.
7. The method of using a tie bar bending tool according to claim 6, further comprising:
providing a first hinge bolt, and connecting the first operating rod and the second operating rod in a hinged mode by adopting the first hinge bolt; and
the first operating rod is provided with a sliding groove for the first hinge bolt to penetrate through, and the first hinge bolt slides in the sliding groove in the moving process of the second operating rod.
8. The method of using a tie bar bending tool according to claim 7, further comprising:
providing a third operating rod and a second hinge bolt, and hinging the third operating rod to the top end of the second operating rod by adopting the second hinge bolt;
providing a third hinge bolt, and adopting the third hinge bolt to hinge and connect the third operating rod and the first operating rod;
operating the second operating lever includes:
rotating the third operating lever about the third hinge bolt to move the second operating lever.
9. The method of using a tie bar bending tool according to claim 8,
the top end of the third operating rod forms an arc-shaped handle.
10. The method of using the tendon bending tool according to claim 6, wherein the tip of the first operating lever is bent into a handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911069127.8A CN110778122B (en) | 2019-11-05 | 2019-11-05 | Tie bar bending tool and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911069127.8A CN110778122B (en) | 2019-11-05 | 2019-11-05 | Tie bar bending tool and use method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN110778122A true CN110778122A (en) | 2020-02-11 |
| CN110778122B CN110778122B (en) | 2021-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911069127.8A Active CN110778122B (en) | 2019-11-05 | 2019-11-05 | Tie bar bending tool and use method thereof |
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| DE9318104U1 (en) * | 1993-11-26 | 1994-02-10 | Hilger Bau Gmbh | Tool for bending a wire anchor |
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| CN204024074U (en) * | 2014-05-14 | 2014-12-17 | 中建七局第二建筑有限公司 | A kind of reinforcing bar angle-bending device |
| CN204122650U (en) * | 2014-06-12 | 2015-01-28 | 中国建筑第七工程局有限公司 | Tension rib bending tool |
| CN205369938U (en) * | 2015-12-07 | 2016-07-06 | 中国建筑第八工程局有限公司 | Reinforcing bar drag hook appurtenance that bends |
| CN205414241U (en) * | 2016-03-22 | 2016-08-03 | 马晓明 | Reinforcing bar bender for building |
| CN206326049U (en) * | 2016-11-22 | 2017-07-14 | 丁亚会 | A kind of building bar heated type straightening device |
| CN207076903U (en) * | 2017-08-25 | 2018-03-09 | 哈尔滨铁道职业技术学院 | Civil engineering portable multi-angle bending device for rebars |
| CN207723358U (en) * | 2017-11-28 | 2018-08-14 | 中国一冶集团有限公司 | Portable reinforcing steel bar drag hook bending device |
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2019
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Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE9318104U1 (en) * | 1993-11-26 | 1994-02-10 | Hilger Bau Gmbh | Tool for bending a wire anchor |
| JPH11336259A (en) * | 1998-05-26 | 1999-12-07 | Fukutomi Kinzoku Kk | Binding tool for rod-shaped body crossing section |
| CN204024074U (en) * | 2014-05-14 | 2014-12-17 | 中建七局第二建筑有限公司 | A kind of reinforcing bar angle-bending device |
| CN204122650U (en) * | 2014-06-12 | 2015-01-28 | 中国建筑第七工程局有限公司 | Tension rib bending tool |
| CN205369938U (en) * | 2015-12-07 | 2016-07-06 | 中国建筑第八工程局有限公司 | Reinforcing bar drag hook appurtenance that bends |
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| CN207723358U (en) * | 2017-11-28 | 2018-08-14 | 中国一冶集团有限公司 | Portable reinforcing steel bar drag hook bending device |
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| CN110778122B (en) | 2021-12-10 |
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