CN110479815A - A kind of cold bending device of band steel and method - Google Patents
A kind of cold bending device of band steel and method Download PDFInfo
- Publication number
- CN110479815A CN110479815A CN201910866102.4A CN201910866102A CN110479815A CN 110479815 A CN110479815 A CN 110479815A CN 201910866102 A CN201910866102 A CN 201910866102A CN 110479815 A CN110479815 A CN 110479815A
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- China
- Prior art keywords
- band steel
- holding part
- dynamic
- swing rod
- side plate
- Prior art date
- 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.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 93
- 239000010959 steel Substances 0.000 title claims abstract description 93
- 238000005452 bending Methods 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000013003 hot bending Methods 0.000 claims abstract description 5
- 238000009434 installation Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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 belongs to electromechanical installation field, a kind of cold bending device of band steel and method are disclosed.The device includes mounting base, determines holding part, locating part, swing rod, radius adjustment hole and dynamic holding part, determine holding part and the setting of locating part interval, and it is connect with installation part, one end of swing rod, which is rotationally connected with, determines holding part, the radius adjustment hole that multiple distances between swing rod connecting pin are not mutually equal is offered on swing rod, and dynamic holding part is connected on swing rod by a radius adjustment hole.The present invention provides a kind of cold hot bending methods of band steel, corresponding radius adjustment hole is selected according to the bending radius to be processed of band steel, dynamic holding part and swing rod are attached, band steel is installed on locating part, determine holding part and dynamic holding part on, pressing swing rod is completed band steel and is bent, which carries out the band steel that simple operations are just capable of processing out different radii using the cold bending device of same frame, workload can be reduced, the time is saved, the usage quantity of device can be also reduced, reduces the investment of cost.
Description
Technical field
The invention belongs to electromechanical installation field more particularly to a kind of cold bending device of band steel and methods.
Background technique
Band steel uses relatively broad, the building ground such as office building, complex building and market in current electromechanical installation field
Lower room comprehensive pipeline is intricate, in work progress, at gantry grounding flat steel such as gantry high-low bay, gantry corner, gantry three
It needs to carry out simmering and bending processing at logical place and gantry four-way etc..
The band steel bending radius of the existing cold bending device processing of band steel is fixed, and same bending device meets in the prior art
The not demand in work progress to band steel different radii need to process the flat of different radii by replacing different bending devices
Steel not only increases workload, wastes time, while increasing the quantity of bending device, causes working efficiency low, cost input
It increases.
Therefore, it needs a kind of cold bending device of band steel and method solves above-mentioned technical problem.
Summary of the invention
It is an object of the invention to propose a kind of cold bending device of band steel and method, letter is carried out using same frame bending device
Single operation is just capable of processing out the band steel of different radii, not only reduces workload, saves the time, reduces costs simultaneously.
To achieve this purpose, the present invention adopts the following technical scheme:
A kind of cold bending device of band steel, comprising:
Mounting base；
Determine holding part, it is described to determine holding part and be connected in the mounting base；
Locating part, the locating part are connected in the mounting base, described to determine to be spaced between holding part and the locating part
Setting；
Swing rod, one end of the swing rod, which is rotatablely connected with, described determines holding part；
Radius adjustment hole, multiple radius adjustment holes are opened on the swing rod, the circle of multiple radius adjustment holes
The distance between the heart and the swing rod connecting pin are not mutually equal；
Dynamic holding part, the dynamic holding part are connected on the swing rod optionally by a radius adjustment hole,
The card slot for determining to be equipped with clamping band steel on holding part and the dynamic holding part, it is described determine holding part, the dynamic holding part and
The locating part is in the same plane.
Determine holding part and include one to determine side plate and one is determined connecting plate preferably, described, the mounting base and described fixed
Side plate be connected to it is described determine the opposite two sides of connecting plate, the mounting base and the medial surface for determining side plate connect surely with described
The outer edge surface of fishplate bar constitutes the card slot for clamping the band steel.
Determine holding part and include two determine side plate and one is determined connecting plate preferably, described, two described to determine side plate and distinguish
Be connected to it is described determine the opposite two sides of connecting plate, the mounting base is connected to the outside for determining side plate, and the swing rod connects
It is connected to another outside for determining side plate, two medial surfaces for determining side plate and the outer edge surface for determining connecting plate constitute and block
Fill the card slot of the band steel.
Preferably, the dynamic holding part includes two dynamic side plates and a dynamic connecting plate, two dynamic side plate difference
The opposite two sides of the dynamic connecting plate are connected to, the swing rod is connected to the outside of a dynamic side plate, two dynamic sides
The outer edge surface of the medial surface of plate and the dynamic connecting plate constitutes the card slot for clamping the band steel.
Determine that side plate, described to determine connecting plate, the dynamic side plate and the dynamic connecting plate be circular slab preferably, described,
The radius for determining side plate is greater than the radius for determining connecting plate, and the radius of the dynamic side plate is greater than the half of the dynamic connecting plate
Diameter.
Preferably, described determine side plate and described determine detachably connected between connecting plate, the dynamic side plate and described dynamic
It is detachably connected between connecting plate.
Preferably, the other end of the swing rod is connected with a telescopic bar.
Preferably, the locating part is rotatablely arranged in the mounting base, the rotational plane of the locating part is flat
Row in it is described determine holding part, the dynamic holding part and the locating part where plane.
Preferably, the locating part is fixedly connected in the mounting base.
A kind of cold hot bending method of band steel, comprising the following steps:
Dynamic holding part is mounted on swing rod by the bending radius to be processed according to band steel by suitable radius adjustment hole；
One end of band steel is acted against at locating part, interlude is installed in the card slot for determining holding part, and the other end is installed on
In the card slot of dynamic holding part；
Swing rod is pressed down on, until band steel is bent to required crooked radian.
Beneficial effects of the present invention
The present invention provides a kind of cold bending device of band steel and methods, by the way that dynamic holding part to be mounted on to different radius tune
Dynamic holding part is adjusted in knothole and determines the distance between holding part, to process the band steel of different radii.The present invention proposes
The cold bending device of band steel and method, can using same frame bending device carry out simple operations just be capable of processing out different radii
Band steel not only reduces workload, saves the time, while reducing the usage quantity of bending device, reduces cost.
Holding part of determining in the bending device with dynamic holding part is to be connected by three plectanes by dismountable mode, can be with
The middle connecting plate that corresponding thickness is selected according to the thickness of band steel, prevents band steel during press-bending because side is transferred band steel
Pressure partially, also can guarantee the stability in press bending process.
Detailed description of the invention
Fig. 1 is the operation schematic diagram for the cold bending device of band steel that the embodiment of the present invention one provides；
Fig. 2 is the side view for determining holding part that the embodiment of the present invention one provides；
Fig. 3 is the side view provided by Embodiment 2 of the present invention for determining holding part；
Fig. 4 is the side view of dynamic holding part provided by Embodiment 2 of the present invention；
Fig. 5 is the flow diagram for the cold hot bending method of band steel that the embodiment of the present invention four provides.
In figure:
1, mounting base；2, determine holding part；3, locating part；4, swing rod；5, radius adjustment hole；6, holding part is moved；7, mounting hole；
8, telescopic bar；9, band steel；
21, determine side plate；22, determine connecting plate；61, side plate is moved；62, connecting plate is moved.
Specific embodiment
The embodiment of the present invention is described below in detail, the example of embodiment is shown in the accompanying drawings, wherein identical from beginning to end
Or similar label indicates same or similar components or components with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
In the description of the present invention unless specifically defined or limited otherwise, term " connected ", " connection ", " fixation " are answered
It is interpreted broadly, for example, it may be being fixedly connected, may be a detachable connection, can be mechanical connection, be also possible to be electrically connected
It connects, can be directly connected, the connection or two members inside two elements can also be can be indirectly connected through an intermediary
The interaction relationship of part.For the ordinary skill in the art, it can understand that above-mentioned term exists as the case may be
Concrete meaning in the present invention.
In the description of the present invention unless specifically defined or limited otherwise, fisrt feature second feature "upper" or
"lower" may include that fisrt feature and second feature directly contact, may include fisrt feature and second feature be not direct yet
It contacts but by the other characterisation contact between them.Moreover, fisrt feature second feature " on ", " top " and
" above " includes fisrt feature right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second
Feature.Fisrt feature includes that fisrt feature is immediately below second feature and oblique under the second feature " below ", " below " and " below "
Lower section, or first feature horizontal height is merely representative of less than second feature.
To further illustrate the technical scheme of the present invention below with reference to the accompanying drawings and specific embodiments.
Embodiment one
As depicted in figs. 1 and 2, a kind of cold bending device of band steel is present embodiments provided comprising mounting base 1 determines clamping
Part 2, locating part 3, swing rod 4, radius adjustment hole 5 and dynamic holding part 6.Wherein, determine holding part 2 and locating part 3 is fixedly connected on peace
It fills on seat 1, determines to be spaced setting between holding part 2 and locating part 3；One end of swing rod 4, which is rotatablely connected with, determines holding part 2, pendulum
Multiple radius adjustment holes 5, the center of circle and the mutual not phase in the distance between 4 connecting pin of swing rod of multiple radius adjustment holes 5 are offered on bar 4
Deng dynamic holding part 6 is connected on swing rod 4 optionally by a radius adjustment hole 5, determine equal on holding part 2 and dynamic holding part 6
Card slot equipped with clamping band steel 9 is determined holding part 2, dynamic holding part 6 and locating part 3 and is in the same plane, in the present embodiment,
Four radius adjustment holes 5 have been sequentially arranged along the axial direction of swing rod 4.
In the present embodiment, according to the bending radius to be processed of band steel 9, different radius adjustment holes 5 is replaced, by dynamic holding part
6 are installed on swing rod 4；9 one end of band steel is acted against at locating part 3, interlude is installed in the card slot for determining holding part 2, another
End is installed in the card slot of dynamic holding part 6, is then pressed down on swing rod 4, is directly processed to required crooked radian.It is flat using this
The cold bending device of steel can adjust dynamic holding part 6 and determine clamping by the way that dynamic holding part 6 to be mounted in different radius adjustment holes 5
The distance between part 2, to process the band steel 9 of different radii.The cold bending device of band steel that the present embodiment proposes, use are same
Frame bending device carries out the band steel that simple operations are just capable of processing out different radii, not only reduces workload, saves the time, subtract simultaneously
The usage quantity of few bending device, reduces cost.
Specifically, determine holding part 2 and include one determine side plate 21 and one is determined connecting plate 22, mounting base 1 with determine side plate 21 and divide
It is not connected to and determines the opposite two sides of connecting plate 22, mounting base 1 and determine the medial surface of side plate 21 and to determine the outer edge surface structure of connecting plate 22
At the card slot for clamping band steel 9, determine side plate 21, determine connecting plate 22 to be circular slab, the radius for determining side plate 21, which is greater than, determines connecting plate 22
Radius.Selectively, the other end of swing rod 4 is connected with a telescopic bar 8.Telescopic bar 8 includes base shaft, elongation bar
And fastener, one end of base shaft are connect with swing rod 4, the other end of base shaft is equipped with the cavity of one section of opening, and elongation bar is movable
In cavity loaded on base shaft, at the position that elongation bar stretches out different length, there is corresponding fastener to be fixed, in this implementation
In example, screw rod and nut are set by fastener；In processing, the elongation bar of telescopic bar 8 can be stretched out relative to base shaft,
When to certain length, it is fixed with screw rod and nut, due to lever principle, telescopic bar 8 is longer, bends required
Power is with regard to smaller, therefore the telescopic bar 8 not only can reduce the power needed for bending, moreover, working hour is not added, by telescopic bar
8 retract, and are conducive to carry.
Specifically, multiple mounting holes 7 are offered in mounting base 1.Can wall hanging at the construction field (site), can also be in process house private station
It is installed on face.
Embodiment two
As shown in Figure 3 and Figure 4, a kind of cold bending device of band steel is present embodiments provided, on the basis of example 1,
Further illustrate the structure for determining holding part 2 and dynamic holding part 6 for being different from embodiment one:
Determine holding part 2 and include two to determine side plate 21 and one is determined connecting plate 22, determines side plate 21 and be connected to for two to connect surely
The opposite two sides of fishplate bar 22, mounting base 1 are connected to the outside for determining side plate 21, and swing rod 4 is connected to another and determines side plate 21
Outside, two medial surfaces for determining side plate 21 constitute the card slot for clamping band steel 9 with the outer edge surface for determining connecting plate 22.
Dynamic holding part 6 includes two dynamic side plates 61 and a dynamic connecting plate 62, and two dynamic side plates 61 are connected to dynamic company
The opposite two sides of fishplate bar 62, swing rod 4 are connected to the outside of a dynamic side plate 61, the medial surface and dynamic connecting plate of two dynamic side plates 61
62 outer edge surface constitutes the card slot for clamping band steel 9.
Specifically, determine side plate 21, determine connecting plate 22, dynamic side plate 61 and dynamic connecting plate 62 to be circular slab, determine side plate 21
Radius is greater than the radius for determining connecting plate 22, and the radius for moving side plate 61 is greater than the radius of dynamic connecting plate 62, the card slot that circular slab is formed
It is of uniform size, it is beautiful, it is more applicable for clamping band steel.
Selectively, determine side plate 21 and determine it is detachably connected between connecting plate 22, move side plate 61 and dynamic connecting plate 62 it
Between it is detachably connected, be detachably connected easy to carry, be suitable for mobile construction.
Embodiment three
It present embodiments provides a kind of cold bending device of band steel and further illustrates area on the basis of example 1
Not in the connection relationship of the locating part 3 of embodiment one:
Locating part 3 is rotatably set in mounting base 1, and the rotational plane of locating part 3, which is parallel to, determines holding part 2, dynamic card
Plane where gripping member 6 and locating part 3.In clamping band steel, locating part 3 turns an angle, by the maximum area of locating part 3
Side is contacted with band steel, increases the stability of clamping.
Example IV
As shown in figure 5, present embodiments providing a kind of cold hot bending method of band steel, the band steel in any of the above-described embodiment is used
Cold bending device, includes the following steps；
Step 1: the bending radius to be processed according to band steel, dynamic holding part is mounted on by suitable radius adjustment hole
On swing rod.
The radius adjustment hole of any of the above-described embodiment is set as four, and the corresponding band steel of four radius adjustment holes waits for
Bending radius is A, B, C and D.According to requirement of engineering, the radius for wanting band steel to be bent is determined, when needing to carry out being bent to band steel half
When diameter is the bending operation of A, dynamic holding part is mounted on swing rod by the corresponding radius adjustment hole of A.
Step 2: one end of band steel is acted against at locating part, interlude is installed in the card slot for determining holding part, the other end
It is installed in the card slot of dynamic holding part；
One end of band steel is by dynamic holding part and determines between holding part and locating part and determines the interval between holding part, supports
It leans against on side opposite with holding part is determined on locating part, the end of band steel is concordant with the end of locating part.By the another of band steel
One end is rotated towards the direction for determining holding part, until band steel is installed in the card slot for determining holding part.By the movable end of swing rod towards
The direction of band steel rotates, until band steel is installed on completely in the card slot of dynamic holding part.
Step 3: swing rod is pressed down on, until band steel is bent to required crooked radian.
In the way of mechanical or manual, the movable end of swing rod is pressed towards the direction for clamping band steel, Zhi Daobian
Steel bends to required crooked radian, then separates band steel with dynamic holding part towards opposite direction rotation is pressed swing rod,
Finally the bending band steel processed is extracted out from locating part with the interval for determining holding part.
In the present invention, suitable radius adjustment hole is selected according to the bending radius to be processed of band steel, dynamic holding part is installed
On swing rod, band steel carries out the pressing of swing rod after clamping.To continue the band steel of processing different radii, then by dynamic holding part
It unloads and reinstalls in the corresponding radius adjustment hole of another radius, the band steel of different radii can be processed.Convert radius tune
Knothole is simple, easy to operate, can save the time of transformation bending device, while reducing the usage quantity of required bending device.
Obviously, the above embodiment of the present invention is just for the sake of clearly illustrating examples made by the present invention, and being not is pair
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
Made any modifications, equivalent replacements, and improvements etc., should be included in the claims in the present invention within the spirit and principle of invention
Protection scope within.
Claims (10)
1. a kind of cold bending device of band steel characterized by comprising
Mounting base (1)；
Determine holding part (2), it is described to determine holding part (2) and be connected on the mounting base (1)；
Locating part (3), the locating part (3) is connected on the mounting base (1), described to determine holding part (2) and the locating part
(3) setting is spaced between；
Swing rod (4), one end of the swing rod (4), which is rotatablely connected with, described determines holding part (2)；
Radius adjustment hole (5), multiple radius adjustment holes (5) are opened on the swing rod (4), multiple radius adjustment holes
(5) the distance between the center of circle and the swing rod (4) connecting pin are not mutually equal；
Dynamic holding part (6), the dynamic holding part (6) are connected to the pendulum optionally by a radius adjustment hole (5)
On bar (4), the card slot for determining to be equipped with clamping band steel (9) on holding part (2) and the dynamic holding part (6) is described to determine clamping
Part (2), the dynamic holding part (6) and the locating part (3) are in the same plane.
2. the cold bending device of band steel according to claim 1, which is characterized in that described to determine holding part (2) include one fixed
Side plate (21) and one determine connecting plate (22), the mounting base (1) and described determine side plate (21) and be connected to described to determine connection
The opposite two sides of plate (22), the mounting base (1) and the medial surface for determining side plate (21) determine the outer of connecting plate (22) with described
Edge face constitutes the card slot for clamping the band steel (9).
3. the cold bending device of band steel according to claim 1, which is characterized in that described to determine holding part (2) include two fixed
Side plate (21) and one determine connecting plate (22), and two described to determine side plate (21) and be connected to that described to determine connecting plate (22) opposite
Two sides, the mounting base (1) are connected to the outside for determining side plate (21), and the swing rod (4) is connected to described in another
Determine the outside of side plate (21), two medial surfaces for determining side plate (21) and the outer edge surface for determining connecting plate (22) are constituted and clamped
The card slot of the band steel (9).
4. the cold bending device of band steel according to claim 3, which is characterized in that the dynamic holding part (6) includes two dynamic
Side plate (61) and a dynamic connecting plate (62), it is opposite that two dynamic side plates (61) are connected to the dynamic connecting plate (62)
Two sides, the swing rod (4) are connected to the outside of a dynamic side plate (61), the medial surface of two dynamic side plates (61) and institute
The outer edge surface for stating connecting plate (62) constitutes the card slot for clamping the band steel (9).
5. the cold bending device of band steel according to claim 4, which is characterized in that described to determine side plate (21), described determine connection
Plate (22), the dynamic side plate (61) and the dynamic connecting plate (62) are circular slab, and the radius for determining side plate (21) is greater than institute
The radius for determining connecting plate (22) is stated, the radius of the dynamic side plate (61) is greater than the radius of the dynamic connecting plate (62).
6. the cold bending device of band steel according to claim 5, which is characterized in that described to determine side plate (21) and described determine connection
It is detachably connected between plate (22), it is detachably connected between the dynamic side plate (61) and the dynamic connecting plate (62).
7. the cold bending device of band steel according to claim 1, which is characterized in that the other end of the swing rod (4) is connected with
One telescopic bar (8).
8. the cold bending device of band steel according to claim 1, which is characterized in that the locating part (3) can be rotatably set
In the mounting base (1), the rotational plane of the locating part (3), which is parallel to, described determines holding part (2), the dynamic holding part (6)
With the plane where the locating part (3).
9. the cold bending device of band steel according to claim 1, which is characterized in that the locating part (3) is fixedly connected on institute
It states on mounting base (1).
10. a kind of cold hot bending method of band steel, which is characterized in that using any cold bending device of band steel of claim 1-9,
The following steps are included:
Dynamic holding part is mounted on swing rod by the bending radius to be processed according to band steel by suitable radius adjustment hole；
One end of band steel is acted against at locating part, interlude is installed in the card slot for determining holding part, and the other end is installed on dynamic card
In the card slot of gripping member；
Swing rod is pressed down on, until band steel is bent to required crooked radian.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910866102.4A CN110479815A (en) | 2019-09-12 | 2019-09-12 | A kind of cold bending device of band steel and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910866102.4A CN110479815A (en) | 2019-09-12 | 2019-09-12 | A kind of cold bending device of band steel and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110479815A true CN110479815A (en) | 2019-11-22 |
Family
ID=68557868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910866102.4A Pending CN110479815A (en) | 2019-09-12 | 2019-09-12 | A kind of cold bending device of band steel and method |
Country Status (1)
| Country | Link |
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| CN (1) | CN110479815A (en) |
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|---|---|---|---|---|
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| CN205798065U (en) * | 2016-07-11 | 2016-12-14 | 中建三局安装工程有限公司 | A kind of circular arc curved band steel bending device |
| CN207222652U (en) * | 2017-08-11 | 2018-04-13 | 中建安装工程有限公司 | The adjustable cold bending device of band steel side horizontal |
| CN208408132U (en) * | 2018-06-29 | 2019-01-22 | 中国电建集团核电工程有限公司 | The flat bending machine of Multifunction flat molten steel |
| CN210497797U (en) * | 2019-09-12 | 2020-05-12 | 中国华西企业有限公司 | Band steel cold bending machine device |
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2019
- 2019-09-12 CN CN201910866102.4A patent/CN110479815A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204545055U (en) * | 2015-04-22 | 2015-08-12 | 中国石油天然气第一建设公司 | The manual bending device of a kind of pipe with small pipe diameter steel pipe |
| CN104858270A (en) * | 2015-06-19 | 2015-08-26 | 中建八局第一建设有限公司 | Abrasive wheel type flat steel hot bending device |
| CN205270469U (en) * | 2015-11-30 | 2016-06-01 | 湖北三江航天红阳机电有限公司 | Become bend radius pipe bending apparatus |
| CN205236693U (en) * | 2015-12-31 | 2016-05-18 | 中建五局工业设备安装有限公司 | A bending machine device for steel pipe or band steel |
| CN205798065U (en) * | 2016-07-11 | 2016-12-14 | 中建三局安装工程有限公司 | A kind of circular arc curved band steel bending device |
| CN207222652U (en) * | 2017-08-11 | 2018-04-13 | 中建安装工程有限公司 | The adjustable cold bending device of band steel side horizontal |
| CN208408132U (en) * | 2018-06-29 | 2019-01-22 | 中国电建集团核电工程有限公司 | The flat bending machine of Multifunction flat molten steel |
| CN210497797U (en) * | 2019-09-12 | 2020-05-12 | 中国华西企业有限公司 | Band steel cold bending machine device |
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