CN106975679B - Bending device for flat rod bending - Google Patents
Bending device for flat rod bending Download PDFInfo
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- CN106975679B CN106975679B CN201710358476.6A CN201710358476A CN106975679B CN 106975679 B CN106975679 B CN 106975679B CN 201710358476 A CN201710358476 A CN 201710358476A CN 106975679 B CN106975679 B CN 106975679B
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- Prior art keywords
- bending
- limited block
- flat rod
- lever
- annular groove
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/02—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment
- B21D7/024—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment by a swinging forming member
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention discloses a kind of bending device for flat rod bending, including the first lever, turntable and shaft, annular groove annular in shape is additionally provided on the turntable；The second lever is further fixed on the turntable；It is additionally provided with notch on the side of first lever；Further include the limited block being located in annular groove, there is the second gap passed through for flat rod, the width in second gap is adjustable between any one side and the limited block of annular groove；It is further fixed on turning handle on the turntable.This bending device is simple in structure, and the convenient flat rod that is used at the construction field (site) is bent, and the elbow for bending specific dimensions can be needed according to construction, can reduce elbow procurement cost and avoid carrying out the purpose of secondary operation；Simultaneously when flat rod is bent, the bending deformation direction of flat rod can be limited well, be conducive to the Forming Quality of product.
Description
Technical field
The present invention relates to bending device arts, more particularly to a kind of bending device for flat rod bending.
Background technology
When carrying out same plane lightning protection equipotential bonding, frequently with following two methods：
One, horizontal and each one direct overlap welding of zinc-plated band iron (steel) of vertical direction, then increase take a plating in any direction
Zinc band iron (steel) cutting back ensures although 2 times of zinc-plated band iron (steel) overlap welding width, the way meet national regulation requirement with this, but
For surface is grounded main line, finished product aesthetic quality is poor, influences very much management, owner checks and accepts.
Two, 90 ° of elbows of the purchase zinc-plated band iron of finished product (steel) level carry out overlap welding, and such way had both met national regulation and taken
Length requirement is connect, in turn ensures finished product aesthetic quality.
The above second method becomes the method that existing plane lightning protection mainly uses, however, above second
Method needs to buy finished parts when implementing, and now in the field of construction, involved joint form is more, therefore in construction hour hands
To the finished parts of purchase, many times need to cut finished parts, length supplement welding etc., the above operation improves construction
The prefabricated and installation workload of non-standard in the process, while the elbow aesthetic quality Jing Guo secondary operation is poor, is also possible to simultaneously
Cause its resistance that cannot meet grounding requirement.
Invention content
When for the existing construction for plane lightning protection equipotential bonding set forth above, used elbow is due to being
Non-standard, because elbow needs secondary operation more, the problem of caused influence construction efficiency, construction quality, the present invention provides
A kind of bending device for flat rod bending, this bending device is simple in structure, and convenient to be used for flat rod at the construction field (site) curved
Folding can need the elbow for bending specific dimensions according to construction, can reduce elbow procurement cost and avoid carrying out the mesh of secondary operation
's；Simultaneously when flat rod is bent, the bending deformation direction of flat rod can be limited well, be conducive to the Forming Quality of product.
It is solved the problems, such as by following technical essential provided by the present invention for the bending device of flat rod bending：For flat
The bending device of flat bar bending, including the first lever, turntable and shaft, the turntable can be rotated by shaft of the axis of shaft,
Annular groove annular in shape, the axis of the annular groove and the axis collinear of shaft are additionally provided on the turntable；
It is further fixed on the second lever on the turntable, and has between the second lever and the slot bottom of annular groove and is worn for flat rod
The first gap crossed；
It is additionally provided with notch on the side of first lever；
Further include the limited block being located in annular groove, has for flat between any one side and the limited block of annular groove
The width in the second gap that flat bar passes through, second gap is adjustable；
It is further fixed on turning handle on the turntable.
Specifically, being equivalent in the present apparatus there are two part, a part therein is by turntable, shaft, the second lever, turns
The part that the components such as handle surround, another part are the part surrounded by components such as the first levers, and above two parts are separately fixed at
After on landing slab, ensure flat rod insertion notch so that the first lever can be flat rod bend when support be provided, protect simultaneously
Card flat rod penetrate into the gap between the second lever and the slot bottom of annular groove, then by turning handle rotate turntable, flat rod by
The active force of annular groove bottom and the slot bottom of being close to annular groove deform to obtain elbow.
In the present solution, by the way that notch is arranged on the first lever, limited block is set in annular groove, the side of the above notch and
The front-end and back-end of both both sides in the second gap collective effect, the part that can deform for flat rod provide constraint, to avoid
Flat rod occurs crooked in stress deformation and flat rod is caused to deform in width direction, to reach raising bend forming
The purpose of quality.The present apparatus is simple in structure simultaneously, and the convenient flat rod that is used at the construction field (site) is bent, and can be needed to bend according to construction
The elbow of specific dimensions can reduce elbow procurement cost, in reserved flat rod bending part front-end and back-end straight-bar segment length
In the case of, required elbow can be disposably processed as needed, avoid leading to elbow-making efficiency because secondary operation is carried out
It reduces, cause resistance value to increase because there is more weld seams；The width in above second gap is adjustable, and the present apparatus may make to be applicable in
It being bent in the flat rod of different-thickness, i.e., need to only adjust the present apparatus so that the width in the second gap is slightly bigger than the thickness of flat rod,
Notch is when the first lever makes and is made to wider scheme, and notch can compounding practice people to the constraint of inflection point rear end at this time
The manual grip of member.
Further technical solution is：
As the specific implementation of the first lever, first lever is cylindrical, and the centre bore of the first lever with
The notch communicates, and internal thread is additionally provided on the wall surface of the centre bore, further includes the spiral shell being threadedly coupled with the internal thread
Rasp bar；
In the centre bore hole section of central hole location where the threaded rod can extend into notch deeply into the one end in hole.This
In scheme, the rear end of flat rod is constrained between screw thread rod end surface and the notches sides of the end face face, in this way, by turning
The dynamic adjustment threaded rod, may make the gap between screw thread rod end surface and the notches sides of the end face face to become larger or become
Small, the variation of the above gap width is for adapting to flat rod thickness, so that the present apparatus can be good at as flat rod deformation section
Front-end and back-end constraint is provided so that elbow can have stable Forming Quality.
Further include anti-release member to avoid threaded rod rotation, the anti-release member interacts with threaded rod, and the anti-release member is used
In avoid threaded rod in non-artificial rotation.Bolt, locking nut, spring etc. can be used in the above anti-release member.Using slotting
When pin, jack is set on the first lever and threaded rod, i.e., jack is inserted by bolt, bolt provides shear stress and avoids threaded rod
Rotation, this programme bend especially suitable for the flat rod of several fixed thickness, i.e., only need to be arranged on the side of the first lever
Quantity pin identical with flat rod type is arranged in the pin hole of one unicom the first lever internal thread hole and outside on threaded rod
Hole, according to specific a certain flat rod, when the pin hole on threaded rod is corresponding with the pin hole position on the first lever pluggable slotting
When pin, you can get the ideal spacing of notches sides of screw thread rod end surface and the end face face；When for locking nut, with
Upper locking nut is threadedly connected on threaded rod, when having normal pressure between upper locking nut and the end face of the first lever, i.e.,
The locking of threaded rod can be achieved；When for spring, step or turning handle can be set on threaded rod, spring is located at step and first grade
Between bar or turning handle is between the first lever, and spring is in compressive state always, and the elastic force of the above spring can be used as screw thread
The coupling mechanism force of rod locking.
As the specific implementation form of limited block, the limited block is in semicircular, and limited block is formed by flat rod bending,
And the radial direction of limited block is located at the width direction of limited block, the width direction of limited block is located at the groove depth direction of annular groove, limit
The bending amplitude of position block is consistent with the amplitude of annular groove, the axis of limited block and the axis collinear of annular groove.Limited block in this programme
Can effectively increase limited block annular groove depth direction coverage area, while for different in width the flat rod being bent, with
Upper limit position block can effectively apply it constraint.
As a kind of implementation being easy to materials, the turntable is welded by two panels band neck W.N flange, and described the
Two levers are to be welded in the rod piece on neck W.N flange side.
As the concrete mode that driving limited block is moved in annular groove width direction, further includes and arbitrary a piece of band neck is to welding method
The driving portion of orchid cooperation, position of the driving portion for changing limited block in annular groove width direction；
The driving portion includes adjusting bolt and an at least guide rod, the adjusting bolt and corresponding band neck W.N flange
It is threadedly coupled, the guide rod is fixed on limited block, and axis side of the axis direction of adjusting bolt, guide rod with shaft
To parallel；
It is corresponding with being additionally provided with quantity and position hole corresponding with the quantity of guide rod and position respectively on neck W.N flange,
Each guide rod and corresponding aperture clearance fit；
The adjusting bolt and limited block ball-joint.
Change limited block in the position of annular groove width direction by rotating adjusting bolt in this programme, guide pipe is as limit
The guiding of block movement path.This programme is simple in structure, and processing and fabricating is convenient, while limited block is high in movement locus precision.
For convenience of processing, it is set as：The hole be through the corresponding through-hole with neck W.N flange both sides, the guide rod with
Limited block is threadedly coupled.Limited block can be first embedded in annular groove, then in assembly by the through-hole by the outside of turntable by this programme
It is inserted into guide rod into annular groove, and rotates the connection that guide rod realizes guide rod and limited block；Further, it is preferably arranged to institute
It states ball-joint part to be first fixed on limited block, equally after limited block is embedded in annular groove, then has the outside of turntable by corresponding spiral shell
It is packed into adjusting bolt to the side of annular groove in pit, the adjusting bolt is connect with ball-joint partial threads or bonding connection,
It completes after being threadedly coupled, by workpiece such as lock nut, pins, avoids adjusting bolt and ball-joint parts from rotating relative.
Further include landing slab as a kind of integrated design, the shaft and the first lever are both secured on landing slab, institute
It states and is provided with mesoporous on turntable, the mesoporous and shaft clearance fit.
For convenience of the bending degree of flat rod bending part is confirmed, it is additionally provided on the surface of the landing slab for demarcating
The angle index of flat rod bending angle.
The invention has the advantages that：
In the present solution, by the way that notch is arranged on the first lever, limited block is set in annular groove, the side of the above notch and
The front-end and back-end of both both sides in the second gap collective effect, the part that can deform for flat rod provide constraint, to avoid
Flat rod occurs crooked in stress deformation and flat rod is caused to deform in width direction, to reach raising bend forming
The purpose of quality.The present apparatus is simple in structure simultaneously, and the convenient flat rod that is used at the construction field (site) is bent, and can be needed to bend according to construction
The elbow of specific dimensions can reduce elbow procurement cost, in reserved flat rod bending part front-end and back-end straight-bar segment length
In the case of, required elbow can be disposably processed as needed, avoid leading to elbow-making efficiency because secondary operation is carried out
It reduces, cause resistance value to increase because there is more weld seams；The width in above second gap is adjustable, and the present apparatus may make to be applicable in
It being bent in the flat rod of different-thickness, i.e., need to only adjust the present apparatus so that the width in the second gap is slightly bigger than the thickness of flat rod,
Notch is when the first lever makes and is made to wider scheme, and notch can compounding practice people to the constraint of inflection point rear end at this time
The manual grip of member.
Description of the drawings
Fig. 1 is the structural schematic diagram of bending device one specific embodiment of the present invention for flat rod bending；
Fig. 2 be it is of the present invention for flat rod bending one specific embodiment of bending device in, the first lever
Structural schematic diagram.
Reference numeral in figure is followed successively by：1, landing slab, the 2, first lever, 3, notch, 4, threaded rod, 5, anti-release member, 6,
Annular groove, 7, turntable, 8, limited block, the 9, second lever, 10, turning handle, 11, shaft, 12, adjusting bolt, 13, guide rod.
Specific implementation mode
With reference to embodiment, the present invention is described in further detail, but the present invention structure be not limited only to it is following
Embodiment.
Embodiment 1：
As depicted in figs. 1 and 2, it is used for the bending device of flat rod bending, including the first lever 2, turntable 7 and shaft 11,
The turntable 7 can be rotated by shaft 11 of the axis of shaft 11, and annular groove 6 annular in shape, the ring are additionally provided on the turntable 7
The axis collinear of the axis and shaft 11 of slot 6；
It is further fixed on the second lever 9 on the turntable 7, and has for flat between the second lever 9 and the slot bottom of annular groove 6
The first gap that bar passes through；
It is additionally provided with notch 3 on the side of first lever 2；
Further include the limited block 8 being located in annular groove 6, has between any one side and the limited block 8 of annular groove 6 and use
Width in the second gap that flat rod passes through, second gap is adjustable；
Turning handle 10 is further fixed on the turntable 7.
Specifically, being equivalent in the present apparatus, there are two parts, and a part therein is by turntable 7, shaft 11, the second lever
9, the part that the components such as turning handle 10 surround, another part are the part surrounded by components such as the first levers 2, above two parts difference
After being fixed on landing slab 1, ensure flat rod insertion notch 3 so that the first lever 2 can provide branch for flat rod in bending
Support, while ensureing that flat rod penetrates into the gap between the second lever 9 and the slot bottom of annular groove 6, i.e., in described first gap, and
Turntable 7 is rotated by turning handle 10 afterwards, the slot bottom that flat rod is close to annular groove 6 by the active force of 6 bottom of annular groove deforms to obtain elbow.
In the present solution, by the way that notch 3 is arranged on the first lever 2, limited block 8 is set in annular groove 6, the above notch 3
The front-end and back-end of both both sides in side and the second gap collective effect, the part that can deform for flat rod provide constraint,
It is curved to reach raising to avoid flat rod occurs crooked in stress deformation and flat rod is caused to deform in width direction
The purpose of head Forming Quality.The present apparatus is simple in structure simultaneously, and the convenient flat rod that is used at the construction field (site) is bent, can be according to construction need
The elbow of specific dimensions is bent, elbow procurement cost can be reduced, in reserved flat rod bending part front-end and back-end straight bar section
In the case of length, required elbow can be disposably processed as needed, avoid leading to elbow system because secondary operation is carried out
Making efficiency reduces, causes resistance value to increase because there is more weld seams；The width in above second gap is adjustable, may make this dress
It sets and is bent suitable for the flat rod of different-thickness, i.e., need to only adjust the present apparatus so that the width in the second gap is slightly than flat rod
Thickness is big, and notch 3 is when the first lever 2 makes and is made to wider scheme, and notch 3 can to the constraint of inflection point rear end at this time
The manual grip of compounding practice personnel.
Embodiment 2：
As depicted in figs. 1 and 2, the present embodiment is further qualified on the basis of the technical solution that embodiment 1 provides, and is made
For the specific implementation of the first lever 2, first lever 2 is cylindrical, and the centre bore of the first lever 2 and the notch
3 communicate, and internal thread is additionally provided on the wall surface of the centre bore, further include the threaded rod 4 being threadedly coupled with the internal thread；
The threaded rod 4 can be extend into deeply into the one end in hole in the centre bore hole section of 3 place central hole location of notch.
In the present solution, the rear end of flat rod is constrained between 4 end face of threaded rod and 3 side of notch of the end face face, in this way, logical
It crosses rotation and adjusts the threaded rod 4, the gap between 4 end face of threaded rod and 3 side of notch of the end face face may make to become
Greatly or become smaller, the variation of the above gap width is for adapting to flat rod thickness, so that the present apparatus can be good at as flat rod
The front-end and back-end of deformation section provide constraint, so that elbow can have stable Forming Quality.
Further include anti-release member 5, the anti-release member 5 interacts with threaded rod 4, described locking to avoid 4 rotation of threaded rod
Part 5 is for avoiding threaded rod 4 in non-artificial rotation.Bolt, locking nut, spring etc. can be used in the above anti-release member 5.
When using bolt, jack is set on the first lever 2 and threaded rod 4, i.e., jack is inserted by bolt, bolt provides shear stress and keeps away
Exempt from the rotation of threaded rod 4, this programme bends especially suitable for the flat rod of several fixed thickness, i.e., only needs in the first lever 2
The pin hole of one the first lever of unicom 2 internal thread hole and outside is set on side, quantity and flat rod class are set on threaded rod 4
The identical pin hole of type, according to specific a certain flat rod, the pin hole position on the pin hole and the first lever 2 on threaded rod 4
When corresponding pluggable bolt, you can get the ideal spacing in 3 side of notch of 4 end face of threaded rod and the end face face；When
For locking nut when, be threadedly connected on threaded rod 4 with upper locking nut, with the end face of upper locking nut and the first lever 2 it
Between have normal pressure when, you can realize threaded rod 4 locking；When for spring, step or turning handle can be set on threaded rod 4
10, spring is located between step and the first lever 2 or turning handle 10 is between the first lever 2, and spring is in compressive state always,
The elastic force of the above spring can be used as the coupling mechanism force of the locking of threaded rod 4.
Embodiment 3：
As depicted in figs. 1 and 2, the present embodiment is further qualified on the basis of embodiment 1：Tool as limited block 8
Body way of realization, the limited block 8 is in semicircular, and limited block 8 is formed by flat rod bending, and the radial direction of limited block 8
Positioned at the width direction of limited block 8, the width direction of limited block 8 is located at the groove depth direction of annular groove 6, the bending amplitude of limited block 8
It is consistent with the amplitude of annular groove 6, the axis collinear of the axis and annular groove 6 of limited block 8.Limited block 8 in this programme can effectively increase
Limited block 86 depth direction of annular groove coverage area, while for different in width the flat rod being bent, with upper limit position block 8
Constraint can effectively be applied to it.
As a kind of implementation being easy to materials, the turntable 7 is welded by two panels band neck W.N flange, and described the
Two levers 9 are to be welded in the rod piece on neck W.N flange side.
As the concrete mode that driving limited block 8 is moved in 6 width direction of annular groove, further include and arbitrary a piece of band neck butt welding
The driving portion of flange cooperation, position of the driving portion for changing limited block 8 in 6 width direction of annular groove；
The driving portion includes adjusting bolt 12 and an at least guide rod 13, the adjusting bolt 12 and corresponding band neck pair
Welding method orchid is threadedly coupled, and the guide rod 13 is fixed on limited block 8, and the axis direction of adjusting bolt 12, guide rod 13 is equal
It is parallel with the axis direction of shaft 11；
Correspondence is corresponding with the quantity of guide rod 13 and position respectively with quantity and position is additionally provided on neck W.N flange
Hole, each guide rod 13 and corresponding aperture clearance fit；
The adjusting bolt 12 and 8 ball-joint of limited block.
Change limited block 8 in the position of 6 width direction of annular groove, guide pipe conduct by rotating adjusting bolt 12 in this programme
The guiding of 8 movement locus of limited block.This programme is simple in structure, and processing and fabricating is convenient, while limited block 8 is in movement locus precision
It is high.
For convenience of processing, it is set as：The hole is through the corresponding through-hole with neck W.N flange both sides, the guide rod 13
It is threadedly coupled with limited block 8.Limited block 8 can be first embedded in annular groove 6, then in assembly by the through-hole by turntable 7 by this programme
Outer lateral annular groove 6 in be inserted into guide rod 13, and rotate guide rod 13 realize guide rod 13 and limited block 8 connection；Further
, it is preferably arranged to the ball-joint part and is first fixed on limited block 8, equally after limited block 8 is embedded in annular groove 6, then have and turn
The outside of disk 7 to the side of annular groove 6 from being packed into adjusting bolt 12, the adjusting bolt 12 and flexural pivot socket part in corresponding threaded hole
Divide threaded connection or bonding connection, after completing to be threadedly coupled, by workpiece such as lock nut, pins, avoids adjusting bolt 12
With ball-joint parts from rotating relative.
Embodiment 4：
The present embodiment provides a kind of tool on the basis of any of the above one embodiment provides the technical solution of any one
The implementation of body further includes as depicted in figs. 1 and 2 landing slab 1, the shaft 11 and first as a kind of integrated design
Lever 2 is both secured on landing slab 1, and mesoporous, the mesoporous and 11 clearance fit of shaft are provided on the turntable 7.
For convenience of the bending degree of flat rod bending part is confirmed, it is additionally provided on the surface of the landing slab 1 for marking
Determine the angle index of flat rod bending angle.
The above content is combine specific preferred embodiment to the further description of the invention made, and it cannot be said that originally
The specific implementation mode of invention is confined to these explanations.For those of ordinary skill in the art to which the present invention belongs,
The other embodiment obtained in the case where not departing from technical scheme of the present invention, should be included within the scope of the present invention.
Claims (9)
1. for the bending device of flat rod bending, including the first lever (2), turntable (7) and shaft (11), the turntable (7)
It can be rotated by shaft of the axis of shaft (11), which is characterized in that it is additionally provided with annular groove annular in shape (6) on the turntable (7),
The axis collinear of the axis and shaft (11) of the annular groove (6)；
It is further fixed on the second lever (9) on the turntable (7), and has between the second lever (9) and the slot bottom of annular groove (6) and is used for
The first gap that flat rod passes through；
It is additionally provided with notch (3) on the side of first lever (2)；
Further include the limited block (8) being located in annular groove (6), has between any one side and the limited block (8) of annular groove (6)
It is useful for the second gap that flat rod passes through, the width in second gap is adjustable；
It is further fixed on turning handle (10) on the turntable (7).
2. the bending device according to claim 1 for flat rod bending, which is characterized in that first lever (2)
It is cylindrical, and the centre bore of the first lever (2) is communicated with the notch (3), is additionally provided on the wall surface of the centre bore interior
Screw thread further includes the threaded rod (4) being threadedly coupled with the internal thread；
In the centre bore hole section of central hole location where the threaded rod (4) can extend into notch (3) deeply into the one end in hole.
3. the bending device according to claim 2 for flat rod bending, which is characterized in that further include anti-release member (5),
The anti-release member (5) interacts with threaded rod (4), and the anti-release member (5) is for avoiding threaded rod (4) in the case that non-artificial
Rotation.
4. the bending device according to claim 1 for flat rod bending, which is characterized in that the limited block (8) is in
Semicircular, and limited block (8) is formed by flat rod bending, and the radial direction of limited block (8) is located at the width side of limited block (8)
To the width direction of limited block (8) is located at the groove depth direction of annular groove (6), the width of the bending amplitude and annular groove (6) of limited block (8)
Degree is consistent, the axis collinear of the axis and annular groove (6) of limited block (8).
5. the bending device according to claim 1 for flat rod bending, which is characterized in that the turntable (7) is by two
Piece band neck W.N flange is welded, and second lever (9) is to be welded in the rod piece on neck W.N flange side.
6. it is according to claim 5 for flat rod bending bending device, which is characterized in that further include with arbitrarily it is a piece of
Driving portion with the cooperation of neck W.N flange, position of the driving portion for changing limited block (8) in annular groove (6) width direction
It sets；
The driving portion includes adjusting bolt (12) and an at least guide rod (13), the adjusting bolt (12) and corresponding band neck
W.N flange is threadedly coupled, and the guide rod (13) is fixed on limited block (8), and adjusting bolt (12), guide rod (13)
Axis direction is parallel with the axis direction of shaft (11)；
It is corresponding with being additionally provided with quantity and position hole corresponding with the quantity of guide rod (13) and position respectively on neck W.N flange,
Each guide rod (13) and corresponding aperture clearance fit；
The adjusting bolt (12) and limited block (8) ball-joint.
7. the bending device according to claim 6 for flat rod bending, which is characterized in that the hole is through correspondence
Through-hole with neck W.N flange both sides, the guide rod (13) are threadedly coupled with limited block (8).
8. the bending device as claimed in any of claims 1 to 7 for flat rod bending, which is characterized in that also
Including landing slab (1), the shaft (11) and the first lever are both secured on landing slab (1), in being provided on the turntable (7)
Hole, the mesoporous and shaft (11) clearance fit.
9. the bending device according to claim 8 for flat rod bending, which is characterized in that the landing slab (1)
The angle index for demarcating flat rod bending angle is additionally provided on surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710358476.6A CN106975679B (en) | 2017-05-19 | 2017-05-19 | Bending device for flat rod bending |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710358476.6A CN106975679B (en) | 2017-05-19 | 2017-05-19 | Bending device for flat rod bending |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106975679A CN106975679A (en) | 2017-07-25 |
| CN106975679B true CN106975679B (en) | 2018-07-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710358476.6A Active CN106975679B (en) | 2017-05-19 | 2017-05-19 | Bending device for flat rod bending |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0332427A (en) * | 1989-06-28 | 1991-02-13 | Yasuhisa Tozawa | Bending method for tube |
| JP2004098119A (en) * | 2002-09-09 | 2004-04-02 | Hamada Tekkin Koki Kk | Hand-operated bender |
| CN203839523U (en) * | 2014-05-26 | 2014-09-17 | 国家电网公司 | L-shaped flat steel near-earth concavely-installed iron tower earth wire |
| CN104942051A (en) * | 2015-05-14 | 2015-09-30 | 山东电力建设第一工程公司 | Grounding electrode hoop manufacturing equipment and manufacturing method thereof |
-
2017
- 2017-05-19 CN CN201710358476.6A patent/CN106975679B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0332427A (en) * | 1989-06-28 | 1991-02-13 | Yasuhisa Tozawa | Bending method for tube |
| JP2004098119A (en) * | 2002-09-09 | 2004-04-02 | Hamada Tekkin Koki Kk | Hand-operated bender |
| CN203839523U (en) * | 2014-05-26 | 2014-09-17 | 国家电网公司 | L-shaped flat steel near-earth concavely-installed iron tower earth wire |
| CN104942051A (en) * | 2015-05-14 | 2015-09-30 | 山东电力建设第一工程公司 | Grounding electrode hoop manufacturing equipment and manufacturing method thereof |
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| Publication number | Publication date |
|---|---|
| CN106975679A (en) | 2017-07-25 |
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