CN104259268A - Annular steel plate ring roller press of concrete pole - Google Patents
Annular steel plate ring roller press of concrete pole Download PDFInfo
- Publication number
- CN104259268A CN104259268A CN201410501510.7A CN201410501510A CN104259268A CN 104259268 A CN104259268 A CN 104259268A CN 201410501510 A CN201410501510 A CN 201410501510A CN 104259268 A CN104259268 A CN 104259268A
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- China
- Prior art keywords
- connecting rod
- steel plate
- handle
- block
- movable pressing
- 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.)
- Granted
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 56
- 239000010959 steel Substances 0.000 title claims abstract description 56
- 239000004568 cement Substances 0.000 claims description 35
- 238000005096 rolling process Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000001125 extrusion Methods 0.000 description 5
- 239000000047 product Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 229910001208 Crucible steel Inorganic materials 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 238000003466 welding Methods 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
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/14—Bending sheet metal along straight lines, e.g. to form simple curves by passing between rollers
-
- 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
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
-
- 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
- B21D55/00—Safety devices protecting the machine or the operator, specially adapted for apparatus or machines dealt with in this subclass
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Press Drives And Press Lines (AREA)
Abstract
The invention provides an annular steel plate ring roller press of a concrete pole. The annular steel plate ring roller press is composed of a support component, a movable wheel component, a front pressing wheel component and a rear pressing wheel component, and is characterized in that the movable wheel component, the front pressing wheel component and the rear pressing wheel component are sequentially arranged on the support component, one end of the support component is provided with an open movable support; the movable wheel component is driven by a hydraulic cylinder, so as to realize upward and downward movement; the front and rear pressing wheel components are respectively connected with an outside motor so as to realize initiative selection movement. According to the annular steel plate ring roller press provided by the invention, by adopting a way of rolling to form a circle, an annular steel plate ring needed by the concrete pole can be rolled and processed quickly and efficiently, therefore the annular steel plate ring roller press has the characteristics of being simple in structure, convenient to operate and the like; furthermore, the annular steel plate ring roller press is provided with a four-link mechanism with the functions of locking and anti-rotating, therefore materials can be simple and safe to take.
Description
Technical field
The present invention relates to cement electric pole manufacturing equipment field, particularly relating to the former for processing cement electric pole annular steel plate ring.
Background technology
Assembly type cement electric pole (length is more than 8 meters) generally adopts and is assembled by the flange plate type of two or more or the docking of steel plate ring type cement electric pole, and the production efficiency of ring flange or steel plate ring and cost directly affects production efficiency and cost.Wherein, all containing annular steel plate ring in ring flange or steel plate ring, its production method mainly contains steel plate rolling process, cast steel casting method.Existing spheronizator, its drum shaft is mainly cantilevered, roll extrusion product helically structure, and the circularity rolled out is poor, cannot direct welding fabrication.Also large-scale roller press is had, its drum shaft mainly have employed simple beam structure, the steel plate ring of main processing diameter large (more than diameter 0.5m), and generally leave larger breach, for taking out roll extrusion part semi-finished product from its drum shaft, still need subsequent treatment, just can be welded into annular, and tooling cost is higher, is applicable to larger cement electric pole factory, for small-sized cement electric pole factory, equipment investment is larger.And the annular steel plate ring that cast steel casting method is produced, its product quality and intensity do not have steel plate rolling process good.
Summary of the invention
The object of the invention is to propose a kind of cement electric pole annular steel plate ring roller press, can under the quality ensureing annular steel plate ring and strength condition, the manufacturing equipment cost of the annular steel plate ring needed for cement electric pole is reduced, with meet cement electric pole factory to annular steel plate ring product demand.
For achieving the above object, embodiments of the invention adopt following technical scheme:
A kind of cement electric pole annular steel plate ring roller press, be made up of left socle, left portable plate, left hydraulic cylinder, header board, right hydraulic cylinder, movable pressing-wheel assembly, right support, front pinch roller assembly, rear pinch roller assembly, connecting plate, it is characterized in that: described left socle, the bottom of right support are connected with connecting plate respectively; Described front pinch roller assembly, rear pinch roller assembly are propped up by left socle, right support respectively, and are connected with external motive device; The top of described left portable plate is flexibly connected with header board, the top of described right support is fixedly connected with header board, the cylinder body of described left hydraulic cylinder, right hydraulic cylinder is separately fixed at left portable plate, right support upper outside face, and the piston rod of left hydraulic cylinder, right hydraulic cylinder is set with the left and right axle head of movable pressing-wheel axle of movable pressing-wheel assembly respectively; Described movable pressing-wheel assembly is in top portion in the middle of front pinch roller assembly, rear pinch roller assembly, described movable pressing-wheel axle, by left overhanging end, middle-end, right overhanging end, its middle-end forms revolute pair respectively by clutch shaft bearing, the second bearing and movable pressing-wheel, and be respectively equipped with the first cover plate, the second cover plate in the outside of clutch shaft bearing, the second bearing, its left overhanging end, right overhanging end are located at left socle, right support side respectively, described movable pressing-wheel axle; Described bearing (ball) cover realizes the axial location of bearing; Described left portable plate, right support are respectively equipped with left guide groove, the right guide groove that the movable pressing-wheel axle for movable pressing-wheel assembly moves up and down.
As preferably, the left outside end band of stretching of described movable pressing-wheel axle has tapering.
As optimization, first connecting rod mechanism is also provided with between described left socle, right support, first connecting rod mechanism is made up of the first block, first connecting rod, second connecting rod, the second block, first handle, first block and first connecting rod are fixed together, one end of first connecting rod is flexibly connected with the collateral boss on left socle, the other end is flexibly connected with second connecting rod one end, and the other end of second connecting rod is flexibly connected with first handle one end; Be flexibly connected with right support in the middle part of first handle; Second connecting rod is provided with the second block near first handle side, when driving first handle, can make second connecting rod, first handle conllinear, and the second block can block second connecting rod rotation, and the first block blocks the bottom of left portable plate.
As preferably, second connecting rod mechanism is also provided with between left portable plate, right support, second connecting rod mechanism is by third connecting rod, second handle, third gear block, one end of third connecting rod is flexibly connected with left portable plate, and the other end is flexibly connected with one end of second handle, and the middle part of second handle is flexibly connected with right support, second handle is provided with third gear block near third connecting rod one end, when driving second handle, third connecting rod, second handle conllinear can be made, and third gear block can block third connecting rod rotation.
As preferably, described a kind of cement electric pole annular steel plate ring roller press, had both been provided with first connecting rod mechanism, had been provided with again second connecting rod mechanism.
As preferably, left front guide rail, left back guide rail is also respectively equipped with in the left guide groove both sides of described left portable plate, and the piston rod head of left hydraulic cylinder is connected with left slider, left slider can along left front guide rail, left back slide, and left slider is provided with the through hole of the left overhanging end for being set with movable pressing-wheel axle.
Operation principle of the present invention: wait the steel plate being rolled into circular steel plate ring, continue to march to after below movable pressing-wheel assembly with the rotary motion of front pinch roller assembly after entering from feed end, movable pressing-wheel assembly is under left hydraulic cylinder, right hydraulic cylinder effect, two ends press down simultaneously, steel plate continues to advance, and the rear pinch roller assembly of the other end blocks steel plate method of advance, circular arc slit is formed between pinch roller assembly and movable pressing-wheel assembly, steel plate ring is in circular arc slit, bend gradually under being subject to the effect of roll extrusion power and become circular arc, until become circular steel plate ring.The circular steel plate ring of rolling forming is around on the movable pressing-wheel axle in movable pressing-wheel group, in order to be taken out, support Design wherein need be become bascule, is convenient to the steel plate ring taking out roll extrusion., devise with locking and anti-rotation four-bar mechanism, so that safety takes out steel plate ring meanwhile.
The invention provides a kind of cement electric pole annular steel plate ring roller press, have employed and be rolled into round mode, can fast, efficient annular steel plate ring required for rolling and processing cement electric pole, there is the features such as structure is simple, easy to operate, and with locking and anti-rotation four-bar mechanism, safety again simple to operate when making feeding.The present invention, under the quality ensureing annular steel plate ring and strength condition, makes the manufacturing equipment cost of the annular steel plate ring needed for cement electric pole reduce, meet cement electric pole factory to annular steel plate ring product demand.
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Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the front view of the cement electric pole annular steel plate ring roller press in the embodiment of the present invention one;
Fig. 2 is the left view of the cement electric pole annular steel plate ring roller press in the embodiment of the present invention one;
Fig. 3 is the right view of the cement electric pole annular steel plate ring roller press in the embodiment of the present invention one;
Fig. 4 is the structural representation of the movable pressing-wheel assembly in the embodiment of the present invention one;
Fig. 5 is the front view of the cement electric pole annular steel plate ring roller press in the embodiment of the present invention two;
Fig. 6 is the front view of the cement electric pole annular steel plate ring roller press in the embodiment of the present invention three;
Fig. 7 is the closure state schematic diagram of the cement electric pole annular steel plate ring roller press in the embodiment of the present invention four;
Fig. 8 is the deployed condition schematic diagram of the cement electric pole annular steel plate ring roller press in the embodiment of the present invention four;
Fig. 9 is the left view of the cement electric pole annular steel plate ring roller press in the embodiment of the present invention five;
Figure 10 is the right view of the cement electric pole annular steel plate ring roller press in the embodiment of the present invention five;
In figure: 1-left socle; 2-left portable plate; 3-left hydraulic cylinder; 4-header board; 5-right hydraulic cylinder; 6-movable pressing-wheel assembly; 7-right support; 8-front pinch roller assembly; 9-rear pinch roller assembly; 11-lateral brace; 12-collateral boss; 13-the first block; 14-first connecting rod; 15-second connecting rod; 16-the second block; 17-first handle; 20-connecting plate; 26-left guide groove; 31-third connecting rod; 32-second handle; 33-third gear block; 41-left front guide rail; 42-left back guide rail; 43-left slider; 44-right front guide rail; 45-right back guide rail; 61-the first cover plate; 62-clutch shaft bearing; 63-the second bearing; 64-the second cover plate; 65-movable pressing-wheel axle; 66-movable pressing-wheel; 67-tapering axle head; 71-right guide groove; 81-front pressuring plate axle; 91-rear fender axle.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
A kind of cement electric pole annular steel plate ring roller press is provided as the embodiment of the present invention one, as shown in Figure 1, Figure 2, Figure 3, Figure 4, be made up of left socle 1, left portable plate 2, left hydraulic cylinder 3, header board 4, right hydraulic cylinder 5, movable pressing-wheel assembly 6, right support 7, front pinch roller assembly 8, rear pinch roller assembly 9, connecting plate 20, it is characterized in that: described left socle 1, the bottom of right support 7 are connected with connecting plate 20 respectively; Described front pinch roller assembly 8, rear pinch roller assembly 9 are supported by left socle 1, right support 7 respectively, and the front pressuring plate axle 81 in front pinch roller assembly 8, rear pinch roller assembly 9, rear fender axle 91 are respectively equipped with overhanging end, and are connected with external motive device; The top of described left portable plate 2 is flexibly connected with header board 4, the top of described right support 7 is fixedly connected with header board 4, described left hydraulic cylinder 3, the cylinder body of right hydraulic cylinder 5 are separately fixed at left portable plate 2, right support 7 upper outside face, and the piston rod of left hydraulic cylinder 3, right hydraulic cylinder 5 is set with the left and right overhanging end of movable pressing-wheel axle 65 of movable pressing-wheel assembly 6 respectively, as preferably, the left overhanging end of movable pressing-wheel axle 65 is tapering axle head 67, with tapering, pass in and out to facilitate left hydraulic cylinder; Described movable pressing-wheel assembly 6 is in top portion in the middle of front pinch roller assembly 8, rear pinch roller assembly 9, and be made up of the first cover plate 61, clutch shaft bearing 62, second bearing 63, second cover plate 64, movable pressing-wheel axle 65, movable pressing-wheel 66, the middle-end of described movable pressing-wheel axle 65 forms revolute pair respectively by clutch shaft bearing 62, second bearing 63 and movable pressing-wheel 66, and is respectively equipped with the first cover plate 61, second cover plate 64 in the outside of clutch shaft bearing 62, second bearing 63; Described left portable plate 2, right support 7 are respectively equipped with left guide groove 26, the right guide groove 71 that the movable pressing-wheel axle 65 for movable pressing-wheel assembly 6 moves up and down.
As the embodiment of the present invention two, provide a kind of cement electric pole annular steel plate ring roller press being provided with first connecting rod mechanism, as shown in Figure 5, described first connecting rod mechanism is located at left socle 1, between right support 7, and by the first block 13, first connecting rod 14, second connecting rod 15, second block 16, first handle 17 forms, first block 13 is fixed together with first connecting rod 14, one end of first connecting rod 14 is flexibly connected with the collateral boss 12 on left socle 1, the other end is flexibly connected with second connecting rod 15 one end, the other end of second connecting rod 15 is flexibly connected with first handle 17 one end, be flexibly connected with right support 7 in the middle part of first handle 17, second connecting rod 15 is provided with the second block 16 near first handle 17 side, when driving first handle 17, when can make second connecting rod 15, first handle 17 conllinear, second block 16 can block second connecting rod 15 and be rotated further, first block 13 can block the bottom of left portable plate 2, thus make left portable plate 2 be close proximity to left socle 1, thus reach locking effect.When moving first handle 17, can make second connecting rod 15, first handle 17 not conllinear time, the second block 16 can not block second connecting rod 15 and be rotated further, and the first block 13 can not block the bottom of left portable plate 2, is convenient to left portable plate 2 and launches.
As the embodiment of the present invention three, provide a kind of cement electric pole annular steel plate ring roller press being provided with second connecting rod mechanism, as shown in Figure 6, second connecting rod mechanism is located at left portable plate 2, between right support 7, and by third connecting rod 31, second handle 32, third gear block 33, one end of third connecting rod 31 is flexibly connected with left portable plate 2, the other end is flexibly connected with one end of second handle 32, the middle part of second handle 32 is flexibly connected with right support 7, second handle 32 is provided with third gear block 33 near third connecting rod 31 one end, when driving second handle 32, third connecting rod 31 can be made, second handle 32 conllinear, thus left portable plate 2 is outwards launched, and third gear block 33 can block third connecting rod 31 is rotated further, thus left portable plate 2 can be stoped toward back rotation.
As the embodiment of the present invention four, provide a kind of cement electric pole annular steel plate ring roller press, as shown in Figure 7, Figure 8, be both provided with first connecting rod mechanism, and be provided with again second connecting rod mechanism, bottom locking, the anti-rotation effect in top can be played simultaneously.
As the embodiment of the present invention five, as shown in Figure 9, a kind of cement electric pole annular steel plate ring roller press with side rail is provided in the embodiment of the present invention, namely left front guide rail 41, left back guide rail 42 is also provided with in left portable plate 2 upper left guide groove 26 both sides, and the piston rod head of left hydraulic cylinder 3 is connected with left slider 43, left slider 43 can slide along left front guide rail 41, left back guide rail 42, and left slider 43 is provided with the through hole of the left overhanging end for being set with movable pressing-wheel axle 65.Equally, also in the relevant position of right support 7, identical guide rail slide block structure can be set, as shown in Figure 10.With guide rail slide block structure, and be not with compared with guide rail slide block structure, operationally more steady, shake less, stressed evenly, roll extrusion better effects if.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (5)
1. a cement electric pole annular steel plate ring roller press, be made up of left socle (1), left portable plate (2), left hydraulic cylinder (3), header board (4), right hydraulic cylinder (5), movable pressing-wheel assembly (6), right support (7), front pinch roller assembly (8), rear pinch roller assembly (9), connecting plate (20), it is characterized in that: described left socle (1), the bottom of right support (7) are connected with connecting plate (20) respectively; Described front pinch roller assembly (8), rear pinch roller assembly (9) are supported by left socle (1), right support (7), and are equipped with overhanging end and are connected with external motive device respectively; The top of described left portable plate (2) is flexibly connected with header board (4), the top of described right support (7) is fixedly connected with header board (4), the cylinder body of described left hydraulic cylinder (3), right hydraulic cylinder (5) is separately fixed at left portable plate (2), right support (7) upper outside face, and the piston rod of left hydraulic cylinder (3), right hydraulic cylinder (5) is set with movable pressing-wheel axle (65) the left and right overhanging end of movable pressing-wheel assembly (6) respectively; Described movable pressing-wheel assembly (6) is in top portion in the middle of front pinch roller assembly (8), rear pinch roller assembly (9), be made up of the first cover plate (61), clutch shaft bearing (62), the second bearing (63), the second cover plate (64), movable pressing-wheel axle (65), movable pressing-wheel (66), the middle-end of described movable pressing-wheel axle (65) forms revolute pair with movable pressing-wheel (66) respectively by clutch shaft bearing (62), the second bearing (63), and is respectively equipped with the first cover plate (61), the second cover plate (64) in the outside of clutch shaft bearing (62), the second bearing (63); Described left portable plate (2), right support (7) are respectively equipped with the left guide groove (26) moved up and down for movable pressing-wheel axle (65), right guide groove (71).
2. a kind of cement electric pole annular steel plate ring roller press according to claim 1, is characterized in that: the left outside end band of stretching of described movable pressing-wheel axle (65) has tapering.
3. a kind of cement electric pole annular steel plate ring roller press according to claim 2, it is characterized in that: in left socle (1), right support is also provided with first connecting rod mechanism between (7), described first connecting rod mechanism is by the first block (13), first connecting rod (14), second connecting rod (15), second block (16), first handle (17) forms, first block (13) and first connecting rod (14) are fixed together, one end of first connecting rod (14) is flexibly connected with the collateral boss 12 on left socle (1), the other end is flexibly connected with second connecting rod (15) one end, the other end of second connecting rod (15) is flexibly connected with first handle (17) one end, first handle (17) middle part is flexibly connected with right support (7), second connecting rod (15) is provided with the second block (16) near first handle (17) side, when driving first handle (17), when can make second connecting rod (15), first handle (17) conllinear, second block (16) can block second connecting rod (15) and be rotated further, and the first block (13) can block the bottom of left portable plate (2).
4. a kind of cement electric pole annular steel plate ring roller press one of according to claim 2 and 3, it is characterized in that: in left portable plate (2), right support is also provided with second connecting rod mechanism between (7), described second connecting rod mechanism is by third connecting rod (31), second handle (32), third gear block (33), one end of third connecting rod (31) is flexibly connected with left portable plate (2), the other end is flexibly connected with the one end of second handle (32), the middle part of second handle (32) is flexibly connected with right support (7), second handle (32) is provided with third gear block (33) near third connecting rod (31) one end, when driving second handle (32), third connecting rod (31) can be made, second handle (32) conllinear, and third gear block (33) can block third connecting rod (31) is rotated further.
5. a kind of cement electric pole annular steel plate ring roller press according to claim 4, it is characterized in that: the left guide groove (26) on described left portable plate (2), right support (7), right guide groove (71) both sides, also be respectively equipped with guide rail, and the piston rod of left hydraulic cylinder (3), right hydraulic cylinder (5) is flexibly connected with can form along the slide block of slide respectively, and described slide block is respectively equipped with the through hole for being set with movable pressing-wheel axle (65) overhanging end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410501510.7A CN104259268B (en) | 2014-09-27 | 2014-09-27 | A kind of cement electric pole annular steel plate ring roller press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410501510.7A CN104259268B (en) | 2014-09-27 | 2014-09-27 | A kind of cement electric pole annular steel plate ring roller press |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104259268A true CN104259268A (en) | 2015-01-07 |
| CN104259268B CN104259268B (en) | 2016-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410501510.7A Active CN104259268B (en) | 2014-09-27 | 2014-09-27 | A kind of cement electric pole annular steel plate ring roller press |
Country Status (1)
| Country | Link |
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| CN (1) | CN104259268B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112139314A (en) * | 2020-10-27 | 2020-12-29 | 东风佛吉亚排气控制技术有限公司 | Rolling machine is used in blast pipe production |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0454619B1 (en) * | 1990-04-12 | 1994-09-07 | Chr. Haeusler Ag Maschinen-, Apparate- Und Stahlbau | Apparatus for bending a plate into a cylindrical form |
| CN200948475Y (en) * | 2006-08-14 | 2007-09-19 | 沃洪 | Horizontal down-regulating hydraulic three-roller lapping machine |
| JP4180080B2 (en) * | 2005-09-30 | 2008-11-12 | ナカジマ鋼管株式会社 | Equipment for manufacturing round steel pipes |
| CN101653796A (en) * | 2009-09-14 | 2010-02-24 | 华中科技大学 | New type bending and rolling compound machine tool with pre-bending mould |
| CN204108047U (en) * | 2014-09-27 | 2015-01-21 | 滁州市川奇水泥制品有限公司 | A kind of cement electric pole annular steel plate ring roller press |
-
2014
- 2014-09-27 CN CN201410501510.7A patent/CN104259268B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0454619B1 (en) * | 1990-04-12 | 1994-09-07 | Chr. Haeusler Ag Maschinen-, Apparate- Und Stahlbau | Apparatus for bending a plate into a cylindrical form |
| JP4180080B2 (en) * | 2005-09-30 | 2008-11-12 | ナカジマ鋼管株式会社 | Equipment for manufacturing round steel pipes |
| CN200948475Y (en) * | 2006-08-14 | 2007-09-19 | 沃洪 | Horizontal down-regulating hydraulic three-roller lapping machine |
| CN101653796A (en) * | 2009-09-14 | 2010-02-24 | 华中科技大学 | New type bending and rolling compound machine tool with pre-bending mould |
| CN204108047U (en) * | 2014-09-27 | 2015-01-21 | 滁州市川奇水泥制品有限公司 | A kind of cement electric pole annular steel plate ring roller press |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112139314A (en) * | 2020-10-27 | 2020-12-29 | 东风佛吉亚排气控制技术有限公司 | Rolling machine is used in blast pipe production |
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| Publication number | Publication date |
|---|---|
| CN104259268B (en) | 2016-08-24 |
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Denomination of invention: A type of cement electric pole circular steel plate ring rolling machine Effective date of registration: 20231228 Granted publication date: 20160824 Pledgee: Huishang Bank Co.,Ltd. Chuzhou Fenghuang road sub branch Pledgor: CHUZHOU CHUANQI CEMENT PRODUCTS Co.,Ltd. Registration number: Y2023980074553 |