CN207982146U - Helix tube reshaping clamp - Google Patents
Helix tube reshaping clamp Download PDFInfo
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- CN207982146U CN207982146U CN201820425442.4U CN201820425442U CN207982146U CN 207982146 U CN207982146 U CN 207982146U CN 201820425442 U CN201820425442 U CN 201820425442U CN 207982146 U CN207982146 U CN 207982146U
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- briquetting
- helix tube
- arm
- pressure
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Abstract
The utility model is related to the devices that a kind of auxiliary completes large-scale spiral pipe shaping welding；More particularly to a kind of helix tube reshaping clamp, including main shaft, external screw thread briquetting, internal thread briquetting and driving motor, the internal and external screw thread briquetting is arranged in pairs 36 groups, driving motor shaft connects main shaft, the internal thread briquetting being attached thereto is symmetrical arranged about main-shaft axis circumference, external screw thread briquetting is arranged in corresponding each internal thread briquetting, and external screw thread briquetting is fixed by rotary track, rotary track center corresponds to screwed pipe setting through-hole, and rotary track center is conllinear with main shaft.The alternative artificial shaping for accurately and fast completing helix tube of the utility model.
Description
Technical field
The utility model is related to the devices that a kind of auxiliary completes large-scale spiral pipe shaping welding；More particularly to a kind of helix tube
Reshaping clamp.
Background technology
Helix tube is the critical piece of boiler heat-exchanger, and the size of large-sized boiler helix tube is big, forms the single tube of helix tube
Thickness of pipe wall, after coiler is coiled as helix tube, because of the stress of steel pipe, it may occur that very large deformation.And form boiler heat-exchanger
Helix tube, the helix tube of especially several layers of nested types, form accuracy is more demanding, by requiring its size and shape error
No more than 2mm.General producer had both been unable to reach this coil pipe precision by bending machine and manual shaping, and one diameter of processing is more than
One meter, highly it is more than five meters of large-scale spiral pipe, it usually needs 3~4 days time.
Utility model content
In order to solve the above technical problems, the purpose of this utility model is that：A kind of helix tube reshaping clamp is provided, it is alternative
The artificial shaping for accurately and fast completing helix tube.
The utility model is that technical solution used by solving its technical problem is：
The helix tube reshaping clamp, including main shaft, external screw thread briquetting, internal thread briquetting and driving motor, it is described inside and outside
Screw thread briquetting is arranged in pairs 3-6 groups, and driving motor shaft connects main shaft, is symmetrical arranged about main-shaft axis circumference and to be attached thereto
External screw thread briquetting is arranged in internal thread briquetting, corresponding each internal thread briquetting, and external screw thread briquetting is fixed by rotary track, rotary track
Center corresponds to screwed pipe setting through-hole, and rotary track center is conllinear with main shaft.
When shaping, helix tube is clipped between the internal and external screw thread briquetting of reshaping clamp, starts driving motor, internal and external screw thread pressure
Block rotates round about under the driving of driving motor, pushes helix tube to be moved along the hand of spiral with frictional force.
Wherein, preferred embodiment is：
The external screw thread briquetting includes telescopic outer pressure arm, outer briquetting and external pressure pedestal, and the outer briquetting passes through telescopic
Outer pressure arm is fixedly connected with external pressure pedestal, and external pressure pedestal is fixed on rotary track, and the outer briquetting periphery is equipped with semi arch wheel
Exterior feature, the size of semi-circular profile and the single tube diameter of helix tube are adapted, number and the effective single tube of spiral of semi arch profile
Quantity is adapted, and the internal thread briquetting includes interior briquetting, interior pressure arm and internal pressure pedestal, and the interior briquetting is fixed by interior pressure arm
On internal pressure pedestal, internal pressure base center is connected to main shaft.Since the form variations before and after helix tube shaping can reach the left sides 300mm
The pressure on the right side, orthopedic systems is very big, in order to prevent due to stress is excessive caused by system clamping stagnation, now use helix tube radial quiet
Only, the mode that inside and outside briquetting advances along the hand of spiral.
The telescopic outer pressure arm includes the coarse adjustment arm to link together and vernier arm, and coarse adjustment arm is fixed with external pressure pedestal to be connected
It connects, vernier arm is connected with external pressure support frame, and outer briquetting is arranged on external pressure support frame；Because reshaping clamp needs the helix tube of shaping straight
Diameter is from 1500 to 3600mm, and radius varitation is more than 1 meter, therefore telescopic outer pressure arm needs flexible adjustment mechanism, in order to drop
Adjusting screw can be used in the low adjustment member cost for replacing helix tube specification, this programme coarse adjustment arm, and adjusting screw includes leading screw, shakes
And feed screw nut, leading screw tail portion fix crank, crank extends to outside feed screw nut, and feed screw nut is fixed on external pressure pedestal
On, leading screw stem connects vernier arm, and vernier arm can be used hydraulic pump, air pump etc., and when adjustment is measured with graduated scale；Meanwhile it filling
During unloading helix tube and helix tube starting loading, outer briquetting telescopic movable is needed, but keep regulation in reforming process again
Chucking power, therefore preferably hydraulic system realizes the pressure of outer briquetting, when replacement helix tube specification, it is only necessary to according to the ruler of single tube
Very little and quantity replaces outer briquetting, and rest part need not be replaced.
The interior briquetting is set as cylindrical, and interior briquetting is correspondingly provided with internal pressure support frame, interior briquetting both ends by shaft with it is interior
Support frame flexible connection, internal pressure support frame is pressed to be fixedly connected with interior pressure arm, the internal pressure pedestal includes central fork disk, central fork disk
Storage tank is arranged in pressure arm in upper correspondence.It, cannot to ensure that the diameter accuracy of shaping, interior pressure arm must keep a fixed length
Using adjustable compliant mechanism.Therefore, interior pressure arm coordinates push-in extension bar, i.e., interior pressure arm grafting using unified roller pinch roller
In storage tank, for the helix tube of different size, cushioning calibrated the spacer pad of length to ensure the length of interior pressure arm, made
Its length variation is not more than 0.5mm.
Co-axial hollow support shaft is arranged outside the main shaft, driving motor is set to inside support shaft, support shaft
Through rotary track central through hole, support shaft, which stretches into, waits for that shaping helix tube stores ground well, and is fixed on ground well bottom surface, rotary track
It is fixed on ground well well head, support shaft cooperation ground well plays supporting and fixing to entire fixture.
Compared with prior art, the utility model has the advantages that：
The alternative artificial shaping for accurately and fast completing helix tube of the utility model, both can guarantee shaping rear screw pipe
Size and shape error in prescribed limit, and the more manual shaping of shaping efficiency improves several times, and labor intensity substantially reduces.
When shaping, helix tube is clipped between the internal and external screw thread briquetting of reshaping clamp, starts driving motor, and internal and external screw thread briquetting is driving
It is rotated round about under the driving of motor, pushes helix tube to be moved along the hand of spiral with frictional force.Before helix tube shaping
Form variations afterwards can reach 300mm or so, and the pressure of orthopedic systems is very big, in order to prevent due to stress is excessive caused by system
Clamping stagnation now uses helix tube in radial static, the mode that inside and outside briquetting advances along the hand of spiral.
Description of the drawings
Fig. 1 is 1 structural schematic diagram of embodiment.
In figure：1, main shaft；2, rotary track；3, telescopic outer pressure arm；4, outer briquetting；5, external pressure pedestal；6, interior briquetting；7、
Interior pressure arm；8, internal pressure pedestal；9, coarse adjustment arm；10, vernier arm；11, external pressure support frame；12, internal pressure support frame；13, shaft；14、
Support shaft.
Specific implementation mode
The utility model embodiment is described further below in conjunction with the accompanying drawings：
Embodiment 1：
As shown in Figure 1, helix tube reshaping clamp described in the present embodiment, including main shaft 1, external screw thread briquetting, internal thread briquetting
And driving motor, the internal and external screw thread briquetting are arranged in pairs 3-6 groups, driving motor shaft connects main shaft 1, about 1 axis of main shaft
Circumference is symmetrical arranged the internal thread briquetting being attached thereto, and external screw thread briquetting is arranged in corresponding each internal thread briquetting, and external screw thread briquetting is logical
The fixation of rotary track 2 is crossed, 2 center of rotary track corresponds to screwed pipe setting through-hole, and 2 center of rotary track is conllinear with main shaft 1.
Wherein, external screw thread briquetting includes telescopic outer pressure arm 3, outer briquetting 4 and external pressure pedestal 5, and the outer briquetting 4 is by stretching
Pressure arm 3 is fixedly connected with external pressure pedestal 5 outside contracting formula, and external pressure pedestal 5 is fixed on rotary track 2, and 4 periphery of outer briquetting is equipped with
Semi arch profile, the size of semi-circular profile and the single tube diameter of helix tube are adapted, the number and helix tube of semi arch profile
Single tube quantity is adapted, and the internal thread briquetting includes interior briquetting 6, interior pressure arm 7 and internal pressure pedestal 8, and the interior briquetting 6 is logical
It crosses interior pressure arm 7 to be fixed on internal pressure pedestal 8,8 center of internal pressure pedestal is connected to main shaft 1.Due to the shape before and after helix tube shaping
Deviation can reach 300mm or so, and the pressure of orthopedic systems is very big, in order to prevent due to stress is excessive caused by system clamping stagnation, it is existing
Using helix tube in radial static, the mode that inside and outside briquetting advances along the hand of spiral.
The telescopic outer pressure arm 3 includes the coarse adjustment arm 9 to link together and vernier arm 10, coarse adjustment arm 9 and external pressure pedestal 5
It is fixedly connected, vernier arm 10 is connected with external pressure support frame 11, and outer briquetting 4 is arranged on external pressure support frame 11；Because reshaping clamp needs
The spiral pipe diameter of shaping is from 1500 to 3600mm, and radius varitation is more than 1 meter, therefore telescopic outer pressure arm 3 needs flexibly
Adjustment mechanism, in order to reduce the adjustment member cost for replacing helix tube specification, coarse adjustment arm 9 uses adjusting screw, adjusting screw packet
Leading screw, crank and feed screw nut are included, crank is fixed in leading screw tail portion, and crank extends to outside feed screw nut, and feed screw nut is fixed on
On external pressure pedestal 5, leading screw stem connects vernier arm 10, and vernier arm 10 can be used hydraulic pump, air pump etc., with graduated scale meter when adjustment
Amount；Meanwhile during loading and unloading helix tube and helix tube starting loads, 4 telescopic movable of outer briquetting is needed, but in reforming process
Chucking power as defined in keeping again, therefore preferably hydraulic system realizes the pressure of outer briquetting 4, when replacing helix tube specification, only needs
Outer briquetting 4 is replaced according to the size and number of single tube, rest part need not be replaced.
The interior briquetting 6 is set as cylindrical, and interior briquetting 6 is correspondingly provided with internal pressure support frame 12, and 6 both ends of interior briquetting pass through shaft
13 are fixedly connected with 12 dynamic connection of internal pressure support frame work, internal pressure support frame 12 with interior pressure arm 7, and the internal pressure pedestal 8 includes center
Disk is pitched, storage tank is arranged in corresponding interior pressure arm 7 on central fork disk.To ensure that the diameter accuracy of shaping, interior pressure arm 7 must keep one
Fixed length cannot use adjustable compliant mechanism.Therefore, interior pressure arm 7 is push-in using unified roller pinch roller cooperation
Extension bar, i.e., in pressure arm 7 be plugged in storage tank, for the helix tube of different size, the spacer pad that cushioning calibrated length comes
The length of pressure arm 7 in ensureing, makes its length variation be not more than 0.5mm.
Co-axial hollow support shaft 14 is arranged outside the main shaft 1, driving motor is set to inside support shaft 14, branch
It supports axis 14 and runs through 2 central through hole of rotary track, to store the helix tube of shaping, ground well is set, support shaft 14 stretches into ground well, and solid
Due to ground well bottom surface, rotary track 2 is fixed on ground well well head, and support shaft 14 coordinates ground well to play supporting and fixing work to entire fixture
With.
The alternative artificial shaping for accurately and fast completing helix tube of the utility model, both can guarantee shaping rear screw pipe
Size and shape error in prescribed limit, and the more manual shaping of shaping efficiency improves several times, and labor intensity substantially reduces.
When shaping, helix tube is clipped between the internal and external screw thread briquetting of reshaping clamp, starts driving motor, and internal and external screw thread briquetting is driving
It is rotated round about under the driving of motor, pushes helix tube to be moved along the hand of spiral with frictional force.
Claims (6)
1. a kind of helix tube reshaping clamp, which is characterized in that including main shaft (1), external screw thread briquetting, internal thread briquetting and driving electricity
Machine, the internal and external screw thread briquetting are arranged in pairs 3-6 groups, and driving motor shaft connects main shaft (1), about main shaft (1) circumference
It is symmetrical arranged the internal thread briquetting being attached thereto, external screw thread briquetting is arranged in corresponding each internal thread briquetting, and external screw thread briquetting is by returning
Going through transition, road (2) are fixed, and rotary track (2) center corresponds to screwed pipe setting through-hole, and rotary track (2) center is conllinear with main shaft (1).
2. helix tube reshaping clamp according to claim 1, which is characterized in that the external screw thread briquetting includes telescopic outer
Pressure arm (3), outer briquetting (4) and external pressure pedestal (5), the outer briquetting (4) pass through telescopic outer pressure arm (3) and external pressure pedestal (5)
It is fixedly connected, external pressure pedestal (5) is fixed on rotary track (2), and outer briquetting (4) periphery is equipped with semi arch profile, semicircle
The size of shape profile and the single tube diameter of helix tube are adapted, and the single tube quantity that the number of semi arch profile is effective with spiral is mutually fitted
It answers, the internal thread briquetting includes interior briquetting (6), interior pressure arm (7) and internal pressure pedestal (8), and the interior briquetting (6) passes through interior pressure arm
(7) it is fixed on internal pressure pedestal (8), internal pressure pedestal (8) center is connected to main shaft (1).
3. helix tube reshaping clamp according to claim 2, which is characterized in that the telescopic outer pressure arm (3) includes connecting
The coarse adjustment arm (9) and vernier arm (10) being connected together, coarse adjustment arm (9) are fixedly connected with external pressure pedestal (5), vernier arm (10) with it is outer
It presses support frame (11) to be connected, outer briquetting (4) is set on external pressure support frame (11).
4. helix tube reshaping clamp according to claim 3, which is characterized in that the coarse adjustment arm (9) uses adjusting screw,
Adjusting screw includes leading screw, crank and feed screw nut, and crank is fixed in leading screw tail portion, and crank extends to outside feed screw nut, leading screw
Nut is fixed on external pressure pedestal (5), and leading screw stem connects vernier arm (10).
5. helix tube reshaping clamp according to claim 2, which is characterized in that the interior briquetting (6) is set as cylindrical, interior
Briquetting (6) is correspondingly provided with internal pressure support frame (12), and interior briquetting (6) both ends are connected by shaft (13) and internal pressure support frame (12) activity
It connects, internal pressure support frame (12) is fixedly connected with interior pressure arm (7), and the internal pressure pedestal (8) includes central fork disk, right on central fork disk
Answer interior pressure arm (7) that storage tank is set.
6. helix tube reshaping clamp according to claim 1, which is characterized in that be arranged outside the main shaft (1) same therewith
The hollow support shaft (14) of axis, driving motor are set to support shaft (14) inside, and support shaft (14) runs through rotary track (2) center
Through-hole, support shaft (14), which stretches into, waits for that shaping helix tube stores ground well, and is fixed on ground well bottom surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820425442.4U CN207982146U (en) | 2018-03-27 | 2018-03-27 | Helix tube reshaping clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820425442.4U CN207982146U (en) | 2018-03-27 | 2018-03-27 | Helix tube reshaping clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207982146U true CN207982146U (en) | 2018-10-19 |
Family
ID=63829683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820425442.4U Active CN207982146U (en) | 2018-03-27 | 2018-03-27 | Helix tube reshaping clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207982146U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110711905A (en) * | 2019-10-29 | 2020-01-21 | 一汽解放汽车有限公司 | Axle housing tapping anchor clamps |
-
2018
- 2018-03-27 CN CN201820425442.4U patent/CN207982146U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110711905A (en) * | 2019-10-29 | 2020-01-21 | 一汽解放汽车有限公司 | Axle housing tapping anchor clamps |
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