CN109500288A - A kind of Portable reinforcing steel bar bending tool and its application method - Google Patents
A kind of Portable reinforcing steel bar bending tool and its application method Download PDFInfo
- Publication number
- CN109500288A CN109500288A CN201811606984.2A CN201811606984A CN109500288A CN 109500288 A CN109500288 A CN 109500288A CN 201811606984 A CN201811606984 A CN 201811606984A CN 109500288 A CN109500288 A CN 109500288A
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- Prior art keywords
- steel bar
- reinforcing steel
- hook
- stay bolt
- pedestal
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Links
- 238000005452 bending Methods 0.000 title claims abstract description 76
- 229910001294 Reinforcing steel Inorganic materials 0.000 title claims abstract description 62
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 72
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 32
- 238000010276 construction Methods 0.000 abstract description 11
- 238000011900 installation process Methods 0.000 abstract description 6
- 238000003032 molecular docking Methods 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 3
- 210000003205 muscle Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- B21F1/002—Bending wire other than coiling; Straightening wire by means of manually operated devices, e.g. pliers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
To solve the problems, such as that it is low with docking sleeve difficulty and construction efficiency that the reinforcing bar deviation in adjacent members installation process in the prior art causes, the present invention provides a kind of Portable reinforcing steel bar bending tool and its application method, by using pedestal, threaded sleeve, stay bolt, handle and for holding the hook to bending reinforcing steel bar lower part, threaded sleeve is fixedly installed on the top of pedestal, hook is fixedly installed on a side lower part of the pedestal, threaded sleeve is sheathed on the outside of the stay bolt, one end of stay bolt is fixedly connected with handle, the other end of stay bolt is used to be against the top to bending reinforcing steel bar, when use, first the Portable reinforcing steel bar bending tool can be placed near the reinforcing bar for needing to adjust；Then the bottom of reinforcing bar is hooked with hook, and using hook as the supporting point of the bottom of reinforcing bar；Then, rotating handle withstands stay bolt and squeezes the top of reinforcing bar, realizes and carries out bending correction to thicker reinforcing bar, and fast power-saving is not necessarily to bulky external connection power.
Description
Technical field
The invention belongs to manual steel bar machinery more particularly to a kind of Portable reinforcing steel bar bending tool and its users
Method.
Background technique
Currently, top and the bottom means of structural connection is lower member in the building using reinforced bar sleeve grouting connection type
It stretches out in reinforcing bar insertion upper component sleeve, then connection is completed in slip casting, and to save cost and simplifying construction, bar diameter is general
Larger, when reinforcing bar is bent, upper component can not be installed in place, and scene generally taps mode using artificial, and worker needs
It lies prone and is tapped on floor, operating difficulties and construction efficiency is low.
Existing reinforcing bar bending tool is generally required by external impetus, such as motor or oil pump, and equipment is relatively heavy,
It adjusts only for reinforcing bar and inserts it into sleeve, waste of manpower higher cost.Separately there is manual portable bending tool, but it is main
It is directed to the lesser reinforcing bar of diameter, what is stressed is steel bar meter bending aspect.
Therefore, how operating difficulties and construction effect caused by a kind of reinforcing bar deviation that can effectively solve in installation process are provided
The Portable reinforcing steel bar bending tool and its application method of the low problem of rate, it has also become construction circle needs the skill of further improvement and optimization
Art problem.
Summary of the invention
The purpose of the present invention is to provide a kind of Portable reinforcing steel bar bending tool and its application method, structure is simple, uses
It is convenient, thicker reinforcing bar can be bent, bending reinforcing steel bar fast power-saving, be not necessarily to bulky external connection power, can effectively solve to pacify
Operating difficulties caused by reinforcing bar deviation during dress and the low problem of construction efficiency.
In order to solve the above technical problems, the invention provides the following technical scheme:
A kind of Portable reinforcing steel bar bending tool, including pedestal, threaded sleeve, stay bolt, handle and to be curved for holding
The hook of reinforcing bar lower part is rolled over, is equipped with the internal screw thread to match with the external screw thread of the stay bolt, the spiral shell in the threaded sleeve
Line casing is fixedly installed on the top of the pedestal, and the hook is fixedly installed on a side lower part of the pedestal, the screw thread
Casing is sheathed on the outside of the stay bolt, and one end of the stay bolt is fixedly connected with the handle, the stay bolt it is another
One end is used to be against the top to bending reinforcing steel bar.
Preferably, in above-mentioned Portable reinforcing steel bar bending tool, the pedestal includes that a rectangular plate and one are transversal
Face is in up-narrow and down-wide trapezoidal support base, and the lower end of the support base is fixedly connected with the rectangular plate, the support base
It is fixedly connected on the downside of upper end and the threaded sleeve.
Preferably, in above-mentioned Portable reinforcing steel bar bending tool, the hook is horizontally placed on the rectangular plate
Side, the hook has for accommodating the cavity to bending reinforcing steel bar, and also there is the hook one to supply to stretch to bending reinforcing steel bar
Enter the opening of cavity.
Preferably, in above-mentioned Portable reinforcing steel bar bending tool, the pedestal is threadedly coupled with the hook.
Preferably, in above-mentioned Portable reinforcing steel bar bending tool, the hook is equipped with the threaded connection with institute pedestal
Male threaded joint, be correspondingly provided with the horizontal direction threaded hole to match with the male threaded joint on the pedestal.
Preferably, in above-mentioned Portable reinforcing steel bar bending tool, the handle includes a cylinder and handlebar, described
One end of cylinder described in handlebar drawing-in, and the axis perpendicular of the axis of the handlebar and the cylinder, the stay bolt
One end protrude into the other end of the cylinder and be fixedly connected with the cylinder.
The invention also discloses a kind of application methods of Portable reinforcing steel bar bending tool as described above, including walk as follows
It is rapid:
The first step, first will be described portable if the reinforcing bar bending on discovery component needs to adjust during lifting component
Reinforcing bar bending tool is placed near the reinforcing bar for needing to adjust；
Second step hooks the bottom of reinforcing bar with hook；
Third step, rotating handle make stay bolt withstand reinforcing bar top, continue to rotate stay bolt handle, so that stay bolt
End squeezes bending reinforcing steel bar, so that reinforcing bar can be smoothly inserted into the sleeve of counterpart member.
By techniques disclosed above scheme it is found that compared with prior art, beneficial effects of the present invention are as follows:
Portable reinforcing steel bar bending tool provided by the invention, structure is simple, easy to use, by using pedestal, thread bush
Pipe, stay bolt, handle and for holding the hook to bending reinforcing steel bar lower part, threaded sleeve is fixedly installed on the upper of the pedestal
Portion, hook are fixedly installed on a side lower part of the pedestal, and threaded sleeve is sheathed on the outside of the stay bolt, the stay bolt
One end be fixedly connected with handle, the other end of the stay bolt is used to be against the top to bending reinforcing steel bar, in lifting component mistake
The Portable reinforcing steel bar bending tool can be first placed in by Cheng Zhong if the reinforcing bar bending on discovery component needs to adjust position
Near the reinforcing bar for needing to adjust；Then the bottom of reinforcing bar is hooked with hook, and using hook as the supporting point of the bottom of reinforcing bar；It connects
, rotating handle withstands stay bolt and squeezes the top of reinforcing bar, can bend to thicker reinforcing bar, bending reinforcing steel bar is quick
It is laborsaving, so that reinforcing bar can be smoothly inserted into the sleeve of counterpart member, realize the rapid abutting joint of adjacent members, and without stupid
The external connection power of weight, can effectively solve the problems, such as operating difficulties caused by the reinforcing bar deviation in installation process and construction efficiency is low.
The application method of Portable reinforcing steel bar bending tool provided by the invention, it is easy to operate using simplicity, in lifting component
In the process, if the reinforcing bar bending on discovery component needs to adjust, first the Portable reinforcing steel bar bending tool is placed in and needs to adjust
Near whole reinforcing bar；Then, the bottom that reinforcing bar is hooked with hook, using hook as the support of the bottom of reinforcing bar；Finally, rotation hand
Handle makes stay bolt withstand reinforcing bar top, continues to rotate stay bolt handle, so that the end of stay bolt squeezes bending reinforcing steel bar, so that
Reinforcing bar can be smoothly inserted into the sleeve of counterpart member, can effectively solve operating difficulties caused by the reinforcing bar deviation in installation process
And the low problem of construction efficiency realizes the quick of reinforcing bar and sleeve between reinforcement member under the premise of not needing external connection power
Docking.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the Portable reinforcing steel bar bending tool of one embodiment of the invention；
Fig. 2 is the structural schematic diagram of the Portable reinforcing steel bar bending tool of one embodiment of the invention；
Fig. 3 is the top view of Fig. 2；
Fig. 4 is the side view of Fig. 2.
In figure: 1- pedestal, 11- rectangular plate, 12- support base, 2- threaded sleeve, 3- stay bolt, 4- handle, 41- cylinder,
42- handlebar, 5- reinforcing bar, 6- hook.
Specific embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.It below will be by cited implementation
Example is in conjunction with attached drawing, the technology contents and feature that the present invention will be described in detail.Need in addition it illustrate, attached drawing is all made of very simplified
Form and use non-accurate ratio, only for the purpose of facilitating and clarifying the purpose of the embodiments of the invention.For narration side
Just, "upper" described below, "lower" are consistent with the upper and lower direction of attached drawing, but this can't be technical solution of the present invention
Limitation.
Present embodiment discloses a kind of Portable reinforcing steel bar bending tools, including pedestal 1, thread bush referring to FIG. 1 to FIG. 4,
Pipe 2, stay bolt 3, handle 4 and for holding the hook 6 to 5 lower part of bending reinforcing steel bar, be equipped in the threaded sleeve 2 with it is described
The internal screw thread that the external screw thread of stay bolt 3 matches, the threaded sleeve 2 are fixedly installed on the top of the pedestal 1, the hook
6 are fixedly installed on a side lower part of the pedestal 1, and the threaded sleeve 2 is sheathed on the outside of the stay bolt 3, the long spiral shell
One end of bolt 3 is fixedly connected with the handle 4, and the other end of the stay bolt 3 is used to be against the top to bending reinforcing steel bar 5.
Portable reinforcing steel bar bending tool provided by the invention, structure is simple, easy to use, by using pedestal 1, thread bush
Pipe 2, stay bolt 3, handle 4 and for holding the hook 6 to 5 lower part of bending reinforcing steel bar, threaded sleeve 2 is fixedly installed on the bottom
The top of seat 1, hook 6 are fixedly installed on a side lower part of the pedestal 1, and threaded sleeve 2 is sheathed on the outer of the stay bolt 3
One end of side, the stay bolt 3 is fixedly connected with handle 4, and the other end of the stay bolt 3 is for being against to bending reinforcing steel bar 5
It top, can be first by institute if the bending of reinforcing bar 5 on discovery component needs to adjust position in component (not shown) hoisting process
Portable reinforcing steel bar bending tool is stated to be placed near the reinforcing bar 5 for needing to adjust；Then the bottom of reinforcing bar 5 is hooked with hook 6, and with
Supporting point of the hook 6 as the bottom of reinforcing bar 5；Then, rotating handle 4 withstand stay bolt 3 and squeeze the top of reinforcing bar 5, can
Thicker reinforcing bar 5 is bent, 5 fast power-saving of bending reinforcing steel bar, so that reinforcing bar 5 can smoothly be inserted into the set of counterpart member
In cylinder (not shown), realizes the rapid abutting joint of adjacent members, and be not necessarily to bulky external connection power, can effectively solve in installation process
5 deviation of reinforcing bar caused by operating difficulties and the low problem of construction efficiency.
Preferably, in above-mentioned Portable reinforcing steel bar bending tool, the pedestal 1 includes that a rectangular plate 11 and one is horizontal
Section is in up-narrow and down-wide trapezoidal support base 12, and the lower end of the support base 12 is fixedly connected with the rectangular plate 11, described
The upper end of support base 12 is fixedly connected with the downside of the threaded sleeve 2.It is transversal by a rectangular plate 11 and one by being arranged
The pedestal 1 that face is formed in up-narrow and down-wide trapezoidal support base 12 may be implemented to stablize support to threaded sleeve 2, so that long spiral shell
Bolt 3 can vertically withstand on the top to bending reinforcing steel bar 5, improve reliability and efficiency that reinforcing bar 5 is bent.
Preferably, in above-mentioned Portable reinforcing steel bar bending tool, the hook 6 is horizontally placed on the rectangular plate 11
Side, the hook 6 has for accommodate cavity to bending reinforcing steel bar 5, and the hook 6 also has a confession to bent steel
Muscle 5 protrudes into the opening of cavity.By setting by a rectangular plate 11 and a cross section in up-narrow and down-wide trapezoidal support base 12
The pedestal 1 of composition, and the hook 6 is horizontally placed on to the side of the rectangular plate 11, stay bolt 3 is arranged in the spiral shell
In line casing 2, using cross section be in up-narrow and down-wide trapezoidal support base 12, can pull open between hook 6 and stay bolt 3 away from
From so that hook 6 grips the lower part to bending reinforcing steel bar 5, and as supporting point, withstanding and bend using stay bolt 3
Quick, the efficient bending of reinforcing bar 5 is realized, to realize the docking of reinforcing bar 5 and sleeve between reinforcement member in the top of reinforcing bar 5.
Preferably, in above-mentioned Portable reinforcing steel bar bending tool, the pedestal 1 is threadedly coupled with the hook 6.Specifically
, in the present embodiment, the hook 6 is equipped with the male threaded joint with the threaded connection of institute pedestal 1, right on the pedestal 1
The horizontal direction threaded hole to match with the male threaded joint should be equipped with.Since pedestal 1 is threadedly coupled with the hook 6, because
This, the extension elongation of adjustable hook 6, convenient for the gripping of 5 lower part of reinforcing bar.
Preferably, in above-mentioned Portable reinforcing steel bar bending tool, the handle 4 includes a cylinder 41 and handlebar
42, one end of cylinder 41 described in 42 drawing-in of handlebar, and the axis phase of the axis of the handlebar 42 and the cylinder 41
Vertically, one end of the stay bolt 3 is protruded into the other end of the cylinder 41 and is fixedly connected with the cylinder 41.Justified by setting
The handle 4 that cylinder 41 and handlebar 42 form, one end of stay bolt 3 is protruded into cylinder 41, and make stay bolt 3 and cylinder 41
It is fixedly connected, the connection reliability between stay bolt 3 and handle 4 can be improved；By cylinder 41 described in 42 drawing-in of handlebar
One end, and the axis perpendicular of the axis of the handlebar 42 and the cylinder 41 passes through the hand of handle 4 convenient for construction personnel
Shank 42 rotates stay bolt 3, and it is time saving and energy saving to operate, and improves reinforcing bar 5 and bends efficiency.
Please continue to refer to Fig. 1 to Fig. 4, the invention also discloses a kind of making for Portable reinforcing steel bar bending tool as described above
With method, include the following steps:
The first step, first will be described portable if the bending of reinforcing bar 5 on discovery component needs to adjust during lifting component
Formula reinforcing bar bending tool is placed near the reinforcing bar 5 for needing to adjust；
Second step hooks the bottom of reinforcing bar 5 with hook 6；
Third step, rotating handle 4 make stay bolt 3 withstand 5 top of reinforcing bar, continue to rotate 3 handle 4 of stay bolt, so that long spiral shell
The end of bolt 3 squeezes bending reinforcing steel bar 5, so that reinforcing bar 5 can be smoothly inserted into the sleeve of counterpart member.
The application method of Portable reinforcing steel bar bending tool provided by the invention, it is easy to operate using simplicity, in lifting component
In the process, if the bending of reinforcing bar 5 on discovery component needs to adjust, first the Portable reinforcing steel bar bending tool is placed in and needs to adjust
Near whole reinforcing bar 5；Then, the bottom that reinforcing bar 5 is hooked with hook 6, using hook 6 as the support of the bottom of reinforcing bar 5；Finally,
Rotating handle 4 makes stay bolt 3 withstand 5 top of reinforcing bar, continues to rotate 3 handle 4 of stay bolt, so that the end extruding of stay bolt 3 is curved
5 deviation of reinforcing bar in installation process can effectively be solved so that reinforcing bar 5 can be smoothly inserted into the sleeve of counterpart member by rolling over reinforcing bar 5
The caused operating difficulties and low problem of construction efficiency realizes steel between reinforcement member under the premise of not needing external connection power
The rapid abutting joint of muscle 5 and sleeve.
Foregoing description is only the description to present pre-ferred embodiments, not to any restriction of the scope of the invention, this hair
Any change, the modification that the those of ordinary skill in bright field does according to the disclosure above content, belong to the protection of claims
Range.
Claims (7)
1. a kind of Portable reinforcing steel bar bending tool, which is characterized in that including pedestal, threaded sleeve, stay bolt, handle and be used for
The hook to bending reinforcing steel bar lower part is held, is equipped with the interior spiral shell to match with the external screw thread of the stay bolt in the threaded sleeve
Line, the threaded sleeve are fixedly installed on the top of the pedestal, and the hook is fixedly installed on a side lower part of the pedestal,
The threaded sleeve is sheathed on the outside of the stay bolt, and one end of the stay bolt is fixedly connected with the handle, the length
The other end of bolt is used to be against the top to bending reinforcing steel bar.
2. Portable reinforcing steel bar bending tool as described in claim 1, which is characterized in that the pedestal include a rectangular plate with
And one cross section be in up-narrow and down-wide trapezoidal support base, the lower end of the support base is fixedly connected with the rectangular plate, described
It is fixedly connected on the downside of the upper end of support base and the threaded sleeve.
3. Portable reinforcing steel bar bending tool as claimed in claim 2, which is characterized in that the hook is horizontally placed on the square
The side of shape plate, the hook has for accommodating the cavity to bending reinforcing steel bar, and the hook also has a confession to be curved
Folding reinforcing bar protrudes into the opening of cavity.
4. Portable reinforcing steel bar bending tool as described in claim 1, which is characterized in that the pedestal and the hook screw thread connect
It connects.
5. Portable reinforcing steel bar bending tool as claimed in claim 4, which is characterized in that the hook is equipped with and institute pedestal
The male threaded joint of threaded connection is correspondingly provided with the horizontal direction screw thread to match with the male threaded joint on the pedestal
Hole.
6. Portable reinforcing steel bar bending tool as described in claim 1, which is characterized in that the handle includes a cylinder and hand
Shank, one end of cylinder described in the handlebar drawing-in, and the axis perpendicular of the axis of the handlebar and the cylinder, institute
The one end for stating stay bolt is protruded into the other end of the cylinder and is fixedly connected with the cylinder.
7. a kind of application method of the Portable reinforcing steel bar bending tool as described in any one of claim 1-6, feature exist
In including the following steps:
The first step, during lifting component, if the reinforcing bar bending on discovery component needs to adjust, first by the Portable reinforcing steel bar
Bending tool is placed near the reinforcing bar for needing to adjust；
Second step hooks the bottom of reinforcing bar with hook；
Third step, rotating handle make stay bolt withstand reinforcing bar top, continue to rotate stay bolt handle, so that the end of stay bolt
Bending reinforcing steel bar is squeezed, so that reinforcing bar can be smoothly inserted into the sleeve of counterpart member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811606984.2A CN109500288B (en) | 2018-12-27 | 2018-12-27 | Portable steel bar bending tool and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811606984.2A CN109500288B (en) | 2018-12-27 | 2018-12-27 | Portable steel bar bending tool and use method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109500288A true CN109500288A (en) | 2019-03-22 |
| CN109500288B CN109500288B (en) | 2024-02-13 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811606984.2A Active CN109500288B (en) | 2018-12-27 | 2018-12-27 | Portable steel bar bending tool and use method thereof |
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| Country | Link |
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| CN (1) | CN109500288B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109985991A (en) * | 2019-04-08 | 2019-07-09 | 上海建工五建集团有限公司 | Portable liquid pressing reinforcing bending tool and its application method |
| CN111346989A (en) * | 2020-03-12 | 2020-06-30 | 广东电网有限责任公司 | Wire bending tool |
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| CN101758124A (en) * | 2008-10-13 | 2010-06-30 | 庄添财 | Sketch plate bending machine |
| CN104289566A (en) * | 2013-05-02 | 2015-01-21 | Cml国际有限公司 | Matrix and countermatrix type bending machine for right-hand and left-hand bending an elongated piece |
| CN206046940U (en) * | 2016-10-10 | 2017-03-29 | 盐城工学院 | A kind of mechanical steel bar bending apparatus |
| CN209531948U (en) * | 2018-12-27 | 2019-10-25 | 上海建工五建集团有限公司 | A kind of Portable reinforcing steel bar bending tool |
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2018
- 2018-12-27 CN CN201811606984.2A patent/CN109500288B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000008576A (en) * | 1998-06-19 | 2000-01-11 | Ando Corp | Fitting structure for precast concrete rising wall |
| CN101157112A (en) * | 2007-11-07 | 2008-04-09 | 龙乐武 | Automatic wire rod aligning cutting machine reinforcing wire traction wheel apparatus |
| CN101758124A (en) * | 2008-10-13 | 2010-06-30 | 庄添财 | Sketch plate bending machine |
| CN104289566A (en) * | 2013-05-02 | 2015-01-21 | Cml国际有限公司 | Matrix and countermatrix type bending machine for right-hand and left-hand bending an elongated piece |
| CN206046940U (en) * | 2016-10-10 | 2017-03-29 | 盐城工学院 | A kind of mechanical steel bar bending apparatus |
| CN209531948U (en) * | 2018-12-27 | 2019-10-25 | 上海建工五建集团有限公司 | A kind of Portable reinforcing steel bar bending tool |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109985991A (en) * | 2019-04-08 | 2019-07-09 | 上海建工五建集团有限公司 | Portable liquid pressing reinforcing bending tool and its application method |
| CN111346989A (en) * | 2020-03-12 | 2020-06-30 | 广东电网有限责任公司 | Wire bending tool |
| CN111346989B (en) * | 2020-03-12 | 2024-03-29 | 广东电网有限责任公司 | Wire bending tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109500288B (en) | 2024-02-13 |
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