CN107812842A - Large-diameter steel pipe port enlarging link gear, equipment and production combination line - Google Patents
Large-diameter steel pipe port enlarging link gear, equipment and production combination line Download PDFInfo
- Publication number
- CN107812842A CN107812842A CN201711287453.7A CN201711287453A CN107812842A CN 107812842 A CN107812842 A CN 107812842A CN 201711287453 A CN201711287453 A CN 201711287453A CN 107812842 A CN107812842 A CN 107812842A
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- CN
- China
- Prior art keywords
- steel pipe
- fixed disk
- enlarging
- diameter steel
- axle sleeve
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/16—Heating or cooling
-
- 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
- B21D41/00—Application of procedures in order to alter the diameter of tube ends
- B21D41/02—Enlarging
- B21D41/026—Enlarging by means of mandrels
- B21D41/028—Enlarging by means of mandrels expandable mandrels
Abstract
The invention discloses a kind of large-diameter steel pipe port enlarging link gear, equipment and production combination line, for producing large-diameter steel pipe, enlarging link gear, it is characterized in that, including fixed disk, rotary sleeve, linear slide bearing component, push-pull shaft, internal model board component and external mold board component, axle sleeve fixes sleeve and rotary sleeve are followed successively by the outside of push-pull shaft, push-and-pull shaft rear end is drive end, front end mounting end axle sleeve, the mould in the external mold board component are oppositely arranged and formed the shaping space being engaged with treating flared steel pipe with the template in internal model board component;It is flexible connection bar assembly between end axle sleeve and arc plate.Large-diameter steel pipe port enlarging production combination line, including two enlarging apparatus and conduit bracket, wherein, two enlarging apparatus are located at the both ends of conduit bracket, and same straight line respectively.The large-diameter steel pipe mouth of pipe enlarging apparatus of the present invention, line can be organized conveniently with continuous production, make precision height, efficiency high.
Description
Technical field
The invention is related to a kind of production technology of large-diameter steel pipe, specifically a kind of large-diameter steel pipe flaring mechanism,
Equipment and production combination line.
Background technology
The large-diameter steel pipe being related in present context technology, refer to diameter at least at 1 meter and more than 1 meter, steel pipe refers to pure
The pipeline of steel, not including composite metal plastic pipe.
Making for this kind of large-diameter steel pipe is the bigger work of a difficulty, more particularly to automated production equipment
Aspect.What existing mould or module were made both for small-bore steel pipe, urgent need will develop a set of be applied to greatly
The enlarging module of especially more than 1.2 meters large-diameter steel pipes of bore.
Current production equipment is difficult to complete high-volume, the production needs of serialization.
Current production equipment complex degree of structure is higher, and precision has much room for improvement.
The content of the invention
In order to solve the deficiencies in the prior art, the present invention provides a kind of large-diameter steel pipe flaring mechanism, equipment and production group
Zygonema, herein described heavy caliber refer to diameter at least at 1 meter and more than 1 meter, steel pipe refers to the pipeline of clean steel, not including steel
Composite metal plastic pipe, first technical problems to be solved are that connecting two large-diameter steel pipes using welding manner seepy question easily occurs,
And maintenance is inconvenient, costly, there is provided a kind of module in steel tube end part straight forming, secondary technical problem is large-diameter steel
The bellmouth manufacture difficulty of pipe is big, reduces cost of manufacture and manufacture difficulty.
The technical solution adopted for the present invention to solve the technical problems is:
Large-diameter steel pipe port enlarging link gear, it is characterised in that including
Fixed disk, the fixed disk middle position have circular hole, and circumferentially uniform some strip holes, the length
Radial direction of the bar hole length direction along fixed disk;
Fixed disk, rear end installation Chain conveyer sprocket wheel is fixedly mounted in rotary sleeve, front end;
Linear slide bearing component, installed in the dorsal part of fixed disk, and glide direction is consistent with the strip hole;
Push-pull shaft, push-pull shaft outside are followed successively by axle sleeve fixes sleeve and rotary sleeve, and push-pull shaft and axle sleeve fixes sleeve
Between for linear slide coordinate, be rotatably assorted between the axle sleeve fixes sleeve and turnbarrel, wherein, push-and-pull shaft rear end for drive
Moved end, front end mounting end axle sleeve, and end sleeve lining is provided at both ends with rolling bearing I;
Some groups of internal model board component, including sliding support plate and arc plate, wherein, described sliding support plate one end is slided
Be arranged on linear slide bearing component on, the other end is welded to connect arc plate, and is set in the middle part of the sliding support plate
The rolling bearing II coordinated is rolled with fixed disk;
Telscoping hydaulic cylinder I, installed in the edge of fixed disk, and along fixed disk radial expansion;
Some groups of external mold board component, is linked together with the piston rod of telscoping hydaulic cylinder I by shaft coupling, described
Mould in external mold board component is oppositely arranged and formed the shaping being engaged with treating flared steel pipe with the template in internal model board component
Space;
The arc plate inwall is welded to connect with sliding support plate and reinforcement arc respectively;
It is flexible connection bar assembly between the end axle sleeve and arc plate.
Sufficient shrink space is left between the internal model board component.
The strip hole is four, and accordingly, linear slide bearing component is four groups.
Each group of flexible connection bar assembly includes four flexible connecting rods.
The flexible connection bar assembly includes two left-right rotaries and fixes silk cap, two pieces rod end bearing and a connecting rod composition,
And the both ends of connecting rod set left and right rotation silk respectively, middle part is provided with rotating nuts.
The flexible connection bar assembly is directly connected to sliding support plate and end axle sleeve using connecting rod or connecting plate.
Large-diameter steel pipe port enlarging apparatus, including equipment rack, fixed hub, dynamical system, feed system and enlarging
Link gear, it is characterised in that the fixed hub, inwall both ends set cylinder roller bearing respectively;The enlarging gear
Structure is above-mentioned large-diameter steel pipe port enlarging link gear, and the enlarging link gear includes:
Fixed disk, the fixed disk middle position have circular hole, and circumferentially uniform some strip holes, the length
Radial direction of the bar hole length direction along fixed disk;
Rotary sleeve, middle part are arranged in equipment rack by fixed hub, and fixed disk is fixedly mounted in front end, and rear end connects
Connect dynamical system;
Linear slide bearing component, installed in the dorsal part of fixed disk, and glide direction is consistent with the strip hole;
Push-pull shaft, push-pull shaft outside are followed successively by axle sleeve fixes sleeve and rotary sleeve, and push-pull shaft and axle sleeve fixes sleeve
Between under between linear slide coordinate, be rotatably assorted between the axle sleeve fixes sleeve and turnbarrel, wherein, push-and-pull shaft rear end
To connect dynamical system, front end mounting end axle sleeve, and end sleeve lining is provided at both ends with rolling bearing I;
Some groups of internal model board component, including sliding support plate and arc plate, wherein, described sliding support plate one end is slided
Be arranged on linear slide bearing component, the other end is welded to connect arc plate, and in the sliding support plate by placing directly
Line motion holds shaft end and sets the rolling bearing II that cooperation is rolled with fixed disk;
Telscoping hydaulic cylinder I, installed in the edge of fixed disk, and along fixed disk radial expansion;
Some groups of external mold board component, is linked together with the piston rod of telscoping hydaulic cylinder I by screw thread or earrings,
Mould in the external mold board component is oppositely arranged with the template in internal model board component and forms what is be engaged with treating flared steel pipe
Shaping space;
The arc plate inwall is welded to connect with sliding support plate and reinforcement arc respectively.
It is flexible connection bar assembly between the end axle sleeve and arc plate.
The dynamical system is electric drive system or/and fluid power system.
The feed system include motor II and screw mechanism between equipment rack and ground guide rail and
Line slideway width.
Large-diameter steel pipe port enlarging production combination line, including two enlarging apparatus and conduit bracket, wherein, two expansions
Jaws equipment is located at the both ends of conduit bracket, and same straight line respectively, it is characterised in that:
The conduit bracket, the bracket of automatic controlled height can be highly realized according to different tube diameters axis;
Any described large-diameter steel pipe port enlarging apparatus in the enlarging apparatus usage right requirement 6 to 8, and two
Bellmouth flaring die and socket flaring die are equipped with platform enlarging apparatus.
The beneficial effects of the invention are as follows:
The present invention is a kind of large-diameter steel pipe mouth of pipe former, and completes large-diameter steel by using Frequency Induction Heating
The making of pipe enlarging, the nozzle sizes precision height of making easily can be connected quickly, can be avoided easy using welding manner connection
The seepy question and inconvenient maintenance of appearance, the problem of cost is high, the problem of can also avoiding using flange connection tedious process.This
The large-diameter steel pipe mouth of pipe enlarging apparatus of invention, line can be organized conveniently with continuous production, make precision height, efficiency high, and combine tool
Body embodiment further illustrates its advantage.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of large-diameter steel pipe port enlarging link gear pattern one.
Fig. 2 is Fig. 1 front view.
Fig. 3 is Fig. 1 sectional view.
Fig. 3 A are partial enlarged drawing at A in Fig. 3.
Fig. 4 is the stereogram of bellmouth internal model board component.
Fig. 5 is the sectional view of large-diameter steel pipe port enlarging link gear pattern one.
Fig. 6 is Fig. 5 front view.
Fig. 7 is the side view of socket internal model board component.
Fig. 8 is the front view of socket internal model board component.
Fig. 9 is large-diameter steel pipe port enlarging apparatus front view.
Figure 10 is large-diameter steel pipe port enlarging production line schematic diagram.
Figure 11 is large-diameter steel pipe bell socket schematic diagram.
Figure 12 is enlarging apparatus process chart.
In figure:100 fixed disks, 110 rotary sleeves, 120 sprocket wheels, 130 strip holes,
200 linear slide bearing components,
300 internal model board components, 310 sliding support plates, 320 arc plates, 330 linear motion bearings, 340 reinforcement arcs
Plate, 350 rolling bearings,
400 external mold board components, 410 cylinder mount plates, 420 telscoping hydaulic cylinders I, 430 outer arcuates,
500 push-pull shafts, 510 axle sleeve fixes sleeves, 520 end axle sleeves, 530 flexible connection bar assemblies, 540 axle sleeves, 550 rollings
Dynamic bearing, 560 fixing nuts, 570 fixing nuts, 580 rolling bearings,
000 fixed hub, 001 bearing assembly, 002 shrink space, 003 motor I, 004 chain drive, 005 is telescopic
Hydraulic jack II, 006 motor II, 007 screw mechanism, 008 line slideway width, 009 frame, 010 bracket, 011 fixing nut,
012 shaft coupling, 013 plain bearing housing.
Embodiment
Referring to figs. 1 to Fig. 8, the present invention is to make large-diameter steel pipe by using the action of Frequency Induction Heating cooperation enlarging
The enlarging technique of nozzle position, wherein using Frequency Induction Heating, steel pipe nozzle position is locally heated to forging temperature, this hair
Bright described forging temperature is relevant with the material of forging technology and steel pipe, and the temperature for being easy to enlarging to deform referred to, its index sees change
Depending on shape amount.Critical strain amount-triangular triaxial diagram of temperature-grain size is looked in the relevant informations such as forging handbook
Arrive, for ordinary steel, at 700~1000 DEG C, scope allows to fluctuate general temperature, then enters action by flaring mechanism
Make, form regular flared part, bellmouth part/jack part after enlarging can directly accommodate socket end/female end, pass through
The use of the equipment, it is the problem of welding manner seepy question that easily occurs of connection and maintenance difficult can be avoided, easy to use
And efficiency high.Meanwhile the axiality of flared part and pipe section is higher.
Referring to figs. 1 to Fig. 8, a kind of large-diameter steel pipe port flaring mechanism of the invention, including fixed disk 100, straight line are slided
Moving axis bearing assembly 200, internal model board component 300, external mold board component 400, push-pull shaft 500, rotary sleeve 110, axle sleeve fixes sleeve
510th, end axle sleeve 520 and flexible connecting rod 530, with reference to action process, are described in detail respectively.
For convenience of description, space orientation is carried out to this module, with reference to figure 1, front, back, left, right, up, down three-dimensional space
Composition.
Fixed disk 100, is substantially the steel disc that a diameter is more than pipe diameter, and fixed disk middle position has one
Individual circular hole, at circular hole position, fixed disk 100 is fixed on rotary sleeve 110, and fixing point is located at the front end of rotary sleeve 110, rotation
A sprocket wheel 120 is fixed in the rear end position of rotating shaft set 110 by metallic bond, it is readily appreciated that, sprocket wheel 120 by chain drive system with
After driving power connection, rotary sleeve 110 and fixed disk 100 can be driven to rotate.Rotary sleeve 110 is with being welded to connect in frame
Fixed hub 000 on 009 is rotatablely connected, i.e., is attached by bearing assembly 001, that is to say, that rotary sleeve 110
Axle sleeve can be relatively fixed to be circumferentially rotated, this is effective mounting means of rotary sleeve and frame 009.
There is enough mount point and installing space on fixed disk 100, at least possess following mount point:
The mount point of linear slide bearing component 200, linear slide bearing component 200 are fixed by screws in fixed disk
Dorsal part, glide direction are radially consistent with fixed disk 100, and four linear slide bearing components 200 are uniform in the circumferential to be arranged.
Meanwhile strip hole 130 is provided with fixed disk 100, strip hole 130 corresponds with linear slide bearing component, that is,
Say, in effective slip section of linear slide bearing component, strip hole 130 can reserve enough skies to sliding support plate
Between.It is corresponding, in the outer end of linear slide bearing component, a cylinder mount plate 410 is bolted, in hydraulic cylinder
One telscoping hydaulic cylinder I 420 is installed on installing plate 410, it is readily appreciated that, cylinder mount plate and telescopic sleeve hydraulic pressure
The quantity of cylinder I is also four groups.The piston rod of telscoping hydaulic cylinder connects external mold board component 400 by shaft coupling, and driving is outer
Template assembly enters to give recoil movement along linear slide bearing component slippage direction.External mold board component, which acts on, treats flared steel pipe
Outer surface, it, which is acted on, carries out supporting explanation in action process in detail below.
Internal model board component 300 includes sliding support plate 310, arc plate 320 and bearing 330, wherein, sliding support plate
By the installation of bearing 330 on the line slideway of linear slide bearing component 200, the other end connects arc for 310 one end
Plate 320, so-called arc plate refer to the metallic plate for forming inner template, have ribs in the inner surface setting of interior arc
Plate, the other end of sliding support plate 310 therein are attached with the deep floor 340 at this, and connected mode is solid for welding
It is fixed.It is synchronous, a pair of rolling bearings 350 are set in the medium position of sliding support plate 310, with reference to figure 4, the work of rolling bearing 350
With being, the front of fixed disk 100 is fitted in, and sliding support plate is formed to roll with fixed disk strip hole both sides and is coordinated,
That is the narrow portion of sliding support plate 310 passes through strip hole 130, sliding support plate is in linear slide bearing component and rolling bearing
It is spacing under, keep with the vertical relation of fixed disk, and can be moved along a straight line along the direction of strip hole.Closed by limitation
In system, strip hole, rolling bearing, the glide direction of linear slide bearing component co- controlling sliding support plate, pay attention to it being to slide
Direction is not sliding power, and the sliding power of sliding support plate will be described in detail in following discussion.
It is slidably connected between push-pull shaft 500 and axle sleeve fixes sleeve 510, specifically, axle sleeve fixes sleeve two
End inwall is embedded with axle sleeve or linear motion bearing 540 respectively, and with reference to figure 3A, outer wall both sides are provided with rolling bearing 550, by spiral shell
Mother 560 fixes and is rotatably mounted on inside axle sleeve 110 so that and push-pull shaft has space in axial sliding with respect to axle sleeve fixes sleeve,
Axle sleeve has what is rotated relative to axle sleeve fixes sleeve, and wherein push-and-pull shaft length is more than rotary sleeve, that is to say, that push-pull shaft
500 length is more than the length of axle sleeve so that the both ends end of push-pull shaft 500 extends to the outside of axle sleeve, in other words, push-pull shaft
Both ends be it is naked be exposed on the external, moreover, also to there is enough exposed length, because push-pull shaft is in the driving of rear end power
Under, the axle sleeve of geo-stationary has the slip amplitude on an axial direction.Sliding action is fore-and-aft direction, vertically.
End axle sleeve 520 is fixed on the front end of push-pull shaft 500, i.e. end axle sleeve phase by rolling bearing 580 and nut 570
Push-pull shaft can be circumferentially rotated, the rear end connection dynamical system of push-pull shaft, such as telescoping hydraulic cylinder, electric pushrod etc..
The outer surface of end axle sleeve 520 is provided with the hole that is articulated and connected, while be hinged company is also equipped with sliding support plate
Hole is connect, is connected between sliding support plate and end axle sleeve using flexible connection bar assembly 530, each of which group internal model board component
Middle stretched using four connects bar assemblies 530, passes through the length adjustment of four retractable rods, it is possible to achieve fine adjustment arc
The position of plate and angle, regulation include the position of the place imaginary circles of internal arc, and the circularity of imaginary circles and radius
Size, at least meet that the imaginary circles center of circle that four groups of arc plates are formed overlaps with the center of circle of fixed disk.Flexible connection bar assembly
530 include:Two rotation silk caps, two pieces rod end bearing and a connecting rod composition, and the both ends of connecting rod set left-right rotary silk respectively, in
Portion is provided with rotating nuts;By the rotating nuts that exert a force, the elongation or shortening of flexible connection bar assembly are realized.
In internal model board component 300 and external mold board component 400 the problem of mould pattern, wherein, it is interior in internal model board component 300
It is the inner surface for treating flared steel pipe corresponding to arc 320, to wait to expand corresponding to the outer arcuate plate 430 in external mold board component 400
The outer surface of mouth steel pipe, by designing the mold profile of arc plate and outer arcuate plate, forms different splicing interface patterns, example
Such as the mould pattern in Fig. 4 and Fig. 7, the mould pattern is relevant with the design of steel pipe, according to design requirement, in theory, mould
Pattern has countless, that is to say, that mould is slightly deformed, it is possible to obtain different pipe sockets and socket pattern, all exist
Within protection scope of the present invention.
Sufficient shrink space 002 is left between above-mentioned internal model board component, ensures that internal model board component has enough work
Dynamic space.
With reference to figure 9 and Figure 10, large-diameter steel pipe port enlarging apparatus, including equipment rack, consolidating of being connected with welding machine frame
Dead axle set, dynamical system, feed system and flaring mechanism, wherein frame 009 use steel framework, are installed on equipment rack dynamic
Force system, feed system and flaring mechanism, wherein, dynamical system includes providing the motor I 003 of rotary power to rotary sleeve
And chain drive 004, and to push-pull shaft offer linear thrust or the telescoping hydraulic cylinder II 005 of pulling force, feed system bag
Include motor II 006 and screw mechanism 007 and line slideway 008 between equipment rack and ground guide rail.
Motor I that this place is said, motor II simply facilitate description, do not limit necessarily two independent power
Source or a power source, a power source can use differential to carry out power decomposition, also can reach the mesh of control
's.
Telescoping hydraulic cylinder is used in the present embodiment, so needing to be equipped with hydraulic station.
With reference to figure 10, large-diameter steel pipe port enlarging production combination line, including two enlarging apparatus A and conduit bracket
010, wherein two enlarging apparatus are located at the both ends of conduit bracket respectively, and same straight line, so-called straight line refer to, two
The center of mould is on same straight line in platform equipment.Mould specification on two enlarging apparatus is different, is respectively used to steel pipe two
The enlarging of port is held, according to the above embodiments, mould pattern I (Fig. 3) and mould pattern II (Fig. 5) can be separately mounted to
In two equipment, that is to say, that be equipped with bellmouth flaring die and socket flaring die on two enlarging apparatus, produce
The bell and spigot frame for the pipe ends come is with reference to figure 11.
One of bell and spigot pattern for the large-diameter steel pipe that this production line is produced, for ease of understanding the grafting side of bell and spigot
Formula, refer to Figure 11.By taking the template in Fig. 5 as an example, the circular arc projection of equal length is provided with template along circumferential direction, belongs to mould
A part for tool, for making the groove at the large-diameter steel pipe mouth of pipe, sealing ring can be installed to be sealed at groove.
The use process of the present invention refers to enlarging apparatus technological process Figure 12, will treat that flared steel pipe both ends intermediate frequency adds first
Heat, under the effect of power motor II, internal model board component is inserted in steel tube end part cavity, start hydraulic system makes push-pull shaft respectively
It is reciprocating, so that the angle of inclination of shrinking connecting-rod component changes in the range of less than 90 °.When angle of inclination becomes big
When, radius is with becoming big in fixed disk for the circle in the center of circle for internal model board component, and conversely then radius with diminishing, works as shrinking connecting-rod
Component and push-pull shaft shape at an angle of 90 when, at the same time external mold board component radially does centripetal motion in the presence of power, and makes
Arc inwall in external mold board component is bonded with the outer wall at steel tube flaring position, so far just completes the enlarging work of first time
Sequence;Then start electrical source of power motor I, fixed disk is less than suitable, rotate counterclockwise in the range of 180 ° and reach enlarging template assembly
Between gap effect;By the reciprocating motion of more frequencys, reach the enlarging effect of membrane module design size.Ensure the system of bellmouth
Make precision and circularity.
The above-described embodiments are merely illustrative of preferred embodiments of the present invention, not to the model of the present invention
Enclose and be defined, on the premise of design spirit of the present invention is not departed from, various changes of the relevant technical staff in the field to the present invention
Shape and improvement, it all should fall into determined by claims of the present invention in protection domain.
Claims (10)
1. large-diameter steel pipe port enlarging link gear, it is characterised in that including
Fixed disk, the fixed disk middle position have circular hole, and circumferentially uniform at least two strip holes, the length
Radial direction of the bar hole length direction along fixed disk;
Fixed disk, rear end installation sprocket wheel is fixedly mounted in rotary sleeve, front end;
Linear slide bearing component, installed in the dorsal part of fixed disk, and glide direction is consistent with the strip hole;
Push-pull shaft, push-pull shaft outside are followed successively by axle sleeve fixes sleeve and rotary sleeve, and between push-pull shaft and axle sleeve fixes sleeve
Coordinate for linear slide, be rotatably assorted between the axle sleeve fixes sleeve and turnbarrel, wherein, push-and-pull shaft rear end is driving
End, front end mounting end axle sleeve;
Some groups of internal model board component, including sliding support plate and arc plate, wherein, the peace that described sliding support plate one end is slided
On linear slide bearing component, other end connection arc plate, and setting and fixed disk in the middle part of the sliding support plate
The rolling bearing being slidably matched;
Telscoping hydaulic cylinder I, installed in the edge of fixed disk, and along fixed disk radial expansion;
Some groups of external mold board component, on the piston of telscoping hydaulic cylinder I, mould in the external mold board component with
Template in internal model board component is oppositely arranged and formed the shaping space being engaged with treating flared steel pipe;
It is flexible connection bar assembly between the end axle sleeve and arc plate.
2. large-diameter steel pipe port enlarging link gear according to claim 1, it is characterised in that the internal model board component
Between leave sufficient shrink space.
3. large-diameter steel pipe port enlarging link gear according to claim 1, it is characterised in that the strip hole is four
Bar, linear slide bearing component are four groups.
4. large-diameter steel pipe port enlarging link gear according to claim 1, it is characterised in that each group of flexible connection
Bar assembly includes four flexible connecting rods.
5. large-diameter steel pipe port enlarging link gear according to claim 1, it is characterised in that the flexible connecting rod
Component is fixed silk caps, two pieces rod end bearing and a connecting rod by two left-right rotaries and formed, and the both ends of connecting rod set respectively it is left and right
Silk is revolved, middle part is provided with rotating nuts.
6. large-diameter steel pipe port enlarging link gear according to claim 1, it is characterised in that the flexible connecting rod
Component is directly connected to sliding support plate and end axle sleeve using connecting rod or connecting plate.
7. large-diameter steel pipe port enlarging apparatus, including equipment rack, dynamical system, feed system and enlarging link gear, its
It is characterised by, the enlarging link gear is any described large-diameter steel pipe port enlarging gear in claim 1 to 6
Structure, the enlarging link gear include
Fixed disk, the fixed disk middle position have circular hole, and circumferentially uniform some strip holes, the strip hole
Radial direction of the length direction along fixed disk;
Rotary sleeve, middle part are arranged in equipment rack by bearing assembly, and fixed disk is fixedly mounted in front end, and rear end connection is dynamic
Force system;
Linear slide bearing component, installed in the dorsal part of fixed disk, and glide direction is consistent with the strip hole;
Push-pull shaft, push-pull shaft outside are followed successively by axle sleeve fixes sleeve and rotary sleeve, and between push-pull shaft and axle sleeve fixes sleeve
Coordinate for linear slide, be rotatably assorted between the axle sleeve fixes sleeve and turnbarrel, wherein, push-and-pull shaft rear end is dynamic for connection
Force system, front end mounting end axle sleeve;
Some groups of internal model board component, including sliding support plate and arc plate, wherein, the peace that described sliding support plate one end is slided
On linear slide bearing component, other end connection arc plate, and setting and fixed disk in the middle part of the sliding support plate
The rolling bearing being slidably matched;
Telscoping hydaulic cylinder I, installed in the edge of fixed disk, and along fixed disk radial expansion;
Some groups of external mold board component, on the piston of telscoping hydaulic cylinder I, mould in the external mold board component with
Template in internal model board component is oppositely arranged and formed the shaping space being engaged with treating flared steel pipe;
It is flexible connection bar assembly between the end axle sleeve and arc plate.
8. large-diameter steel pipe port enlarging apparatus according to claim 7, it is characterised in that the dynamical system is electronic
Drive system or/and fluid power system.
9. large-diameter steel pipe port enlarging apparatus according to claim 7, it is characterised in that the feed system includes electricity
Motivation II and screw mechanism and line slideway, wheel between equipment rack and ground guide rail.
10. large-diameter steel pipe port enlarging production combination line, including two enlarging apparatus and conduit bracket, wherein, two expansions
Jaws equipment is located at the both ends of conduit bracket, and same straight line respectively, and for the conduit bracket between two enlarging apparatus, it is special
Sign is,
Any described large-diameter steel pipe port enlarging apparatus in the enlarging apparatus usage right requirement 7 to 9, and in two expansions
Bellmouth flaring die and socket flaring die are equipped with jaws equipment.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201711287453.7A CN107812842A (en) | 2017-12-07 | 2017-12-07 | Large-diameter steel pipe port enlarging link gear, equipment and production combination line |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201711287453.7A CN107812842A (en) | 2017-12-07 | 2017-12-07 | Large-diameter steel pipe port enlarging link gear, equipment and production combination line |
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Publication Number | Publication Date |
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CN107812842A true CN107812842A (en) | 2018-03-20 |
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CN201711287453.7A Withdrawn CN107812842A (en) | 2017-12-07 | 2017-12-07 | Large-diameter steel pipe port enlarging link gear, equipment and production combination line |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109742716A (en) * | 2019-01-28 | 2019-05-10 | 宁夏三林管业有限公司 | A kind of multiple tube, pipe-line system, mold and the manufacturing method using it |
CN114260398A (en) * | 2020-09-16 | 2022-04-01 | 宝山钢铁股份有限公司 | Forming device for preparing closed metal square frame and preparation method thereof |
CN116532563A (en) * | 2023-07-06 | 2023-08-04 | 太原理工大学 | Spinning and expanding integrated device and method for shape memory alloy pipe joint with inner ribs |
-
2017
- 2017-12-07 CN CN201711287453.7A patent/CN107812842A/en not_active Withdrawn
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109742716A (en) * | 2019-01-28 | 2019-05-10 | 宁夏三林管业有限公司 | A kind of multiple tube, pipe-line system, mold and the manufacturing method using it |
CN114260398A (en) * | 2020-09-16 | 2022-04-01 | 宝山钢铁股份有限公司 | Forming device for preparing closed metal square frame and preparation method thereof |
CN114260398B (en) * | 2020-09-16 | 2024-03-08 | 宝山钢铁股份有限公司 | Forming device for preparing closed metal square frame and preparation method thereof |
CN116532563A (en) * | 2023-07-06 | 2023-08-04 | 太原理工大学 | Spinning and expanding integrated device and method for shape memory alloy pipe joint with inner ribs |
CN116532563B (en) * | 2023-07-06 | 2023-08-29 | 太原理工大学 | Spinning and expanding integrated device and method for shape memory alloy pipe joint with inner ribs |
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