CN202367399U - Lifting roller carrier - Google Patents
Lifting roller carrier Download PDFInfo
- Publication number
- CN202367399U CN202367399U CN2011205638468U CN201120563846U CN202367399U CN 202367399 U CN202367399 U CN 202367399U CN 2011205638468 U CN2011205638468 U CN 2011205638468U CN 201120563846 U CN201120563846 U CN 201120563846U CN 202367399 U CN202367399 U CN 202367399U
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- turning rolls
- elevating mechanism
- bracing frame
- liftable
- lifting
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- Expired - Fee Related
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Abstract
The utility model relates to a lifting roller carrier, which comprises a support frame. Both sides of the top surface of the support frame are respectively provided with a rotating shaft in symmetry in a pivot mode. One ends of the rotating shafts can be connected with motors, at least one roller is disposed on each rotating shaft, a lifting mechanism is further arranged on the outer side of the peripheral edge the roller carrier and is of hollow frame body structure, and the hollow part inside the frame body is a containing space capable of containing the support frame of the roller carrier. The lifting mechanism is provided with a driving part and a transmission part connected with the driving part. The transmission part is connected with the support frame of the roller carrier and capable of driving the roller carrier to move vertically. Therefore, the lifting roller carrier is capable of matching with a standard roller carrier laid on the ground to be used. Only through one set of equipment and one-time assembly, the lifting roller carrier can be suitable for welding operation of cylinder weldment combination with various equal diameters and non-equal diameters, lowers welding cost and work time, and has wide application value.
Description
Technical field
The utility model relates to the turning rolls that a kind of welding field uses, and refers in particular to a kind of liftable turning rolls.
Background technology
Turning rolls is the device that drives the rotation of cylindrical (or cylindrical shape) weldment by the frictional force between large-scale weldment and active roller, and it has in fields such as pressure vessel, electric power, boats and ships, automobile, aircraft widely uses.Usually, a cover turning rolls equipment has initiatively, driven two turning rolls, and weldment is taken to be put between two turning rolls; Wherein master and slave turning rolls all has a roller bracing frame (or turning rolls base); The both sides of bracing frame end face symmetry respectively are pivoted with rotating shaft, and each rotating shaft is provided with at least one roller, and the active roller frame is by motor-driven rotatable shaft and active roller; And can drive weldment as required and circumferentially rotate or stop, the roller of return idler frame only rotates through workpiece and realizes servo-actuated.
When butt welding, the dealer need use two cover turning rolls to come to carry respectively two cylinder weldments, and these two cylinder weldments need carry out the operation of axis centering before carrying out butt welding.When the diameter of two cylinder weldments was unequal, the axis centering of short transverse just became extremely important.
Be to solve the axis centering problem of short transverse, the dealer often is employed in a cover turning rolls equipment below pad and establishes elevating mechanism, and with the method that another standard roller frame that is flat on ground is arranged in pairs or groups mutually and used, realize the axis centering of two weldments in short transverse.When practical operation, the general workpiece that diameter is bigger is placed on the turning rolls that is flat on ground, and the workpiece that diameter is less is placed on pad and establishes on the turning rolls of elevating mechanism; Afterwards,, make the turning rolls that sets up on it rise or descend, thereby adjust the axis height of less weldment, make itself and the opposite side axis height centering of weldment greatly through the adjustment elevating mechanism.And above-mentioned method has been because only used one set of lifting mechanism, the axis centering that just can accomplish different-diameter cylinder weldment, and cost is lower, so in the field of business being widely used.
Yet; Above-mentioned centering method of operating, though can make up with the weldment that adapts to the different-diameter difference through the adjustment of elevating mechanism, because elevating mechanism itself has certain height; Make the turning rolls that sets up on it can not be reduced near the height and position of another set of standard roller frame; Cause when the diameter difference of two cylinder weldments hour, above-mentioned elevating mechanism can not be accomplished the centering of its axis height, and makes above-mentioned method relatively poor to the weldment combination applicability of different-diameter difference.
For example; When the difference of the radius of two cylinder weldments during less than the minimum constructive height of used elevating mechanism; The weldment that radius is bigger places on the standard roller frame; The weldment that radius is less places below pad to establish on the turning rolls of elevating mechanism, and this moment, the less weldment axis height of radius still was higher than the bigger weldment axis height of radius when elevating mechanism drops to when minimum.In this case, like need two weldments are carried out butt welding operation, existing way is the standard roller frame bed hedgehopping with horizontal ground, and need carry out the operation of corresponding bed hedgehopping again this moment with the crane standard roller frame of slinging, and not only wastes time and energy, and also can increase processing cost.
So, can provide a kind of overall height lower liftable turning rolls, it can be applicable to isometrical cylinder weldment combination; Can be applicable to cylinder weldment combination again with different-diameter difference; Especially the less cylinder weldment of diameter difference combination, and can with the use of arranging in pairs or groups mutually of prior standard turning rolls, to reduce cost; And reach time saving and energy saving effect, then become problem demanding prompt solution in the industry.
The utility model content
The purpose of the utility model promptly provides a kind of liftable turning rolls, to overcome above-mentioned defective.
The purpose of above-mentioned the utility model is to be realized by following technical scheme:
The utility model provides a kind of liftable turning rolls, is an active roller frame, comprises a bracing frame; The both sides at the top of bracing frame symmetry respectively are pivoted with one through motor-driven driving shaft; Driving shaft is provided with the roller that receives its drive and rotate, and described turning rolls also is provided with an elevating mechanism in the outside of its edge, and elevating mechanism is the framework moulding of hollow; The inner hollow space of framework is an accommodation space, and the bracing frame of turning rolls can be sat and crouches in this accommodation space; Elevating mechanism has driver part and connected drive disk assembly, and drive disk assembly is connected with the bracing frame of turning rolls and can drives this turning rolls and moves up and down.
The utility model also provides a kind of liftable turning rolls; Be a return idler frame, comprise a bracing frame, the both sides at the top of bracing frame symmetry respectively are pivoted with a driven shaft; Driven shaft is provided with and driven and the roller of rotation by workpiece frictional force; Described turning rolls also is provided with an elevating mechanism in the outside of its edge, and elevating mechanism is fixed in a plane, and is the framework moulding of hollow; The inner hollow space of framework is an accommodation space, and the bracing frame of turning rolls can be sat and crouches in this accommodation space; Elevating mechanism has driver part and connected drive disk assembly, and drive disk assembly is connected with the bracing frame of turning rolls and can drives this turning rolls and moves up and down.
Aforesaid liftable turning rolls, this elevating mechanism comprises: one is the lifting pedestal of hollow framework shape, is fixed on the plane; A plurality of upright screw mandrels that are distributed in the turning rolls both sides all are hubbed on the lifting pedestal, and each screw mandrel all is threaded with the bracing frame of turning rolls; At least one drive motors is fixedly arranged on the lifting pedestal, and drive motors links to each other with a plurality of power transmission shafts with commutator through shaft coupling, and power transmission shaft links to each other with described a plurality of screw mandrels through worm-and-wheel gear; Drive motors can drive each screw mandrel rotation, and the bracing frame of turning rolls is moved up and down.
Aforesaid liftable turning rolls; Described elevating mechanism is provided with four described screw mandrels; Lay respectively at four jiaos of outsides of the bracing frame of turning rolls; And the bracing frame of turning rolls has outwards protruded out an ear respectively at the correspondence position of Qi Sijiao, and each ear all offers and supplies screw mandrel to wear the hole that is spirally connected; The power transmission shaft of said elevating mechanism is c-shaped layout above lifting pedestal, and the corner of C shape is connected with described commutator, and commutator is fixedly arranged on the lifting pedestal.
Aforesaid liftable turning rolls, each described screw mandrel all is arranged with a nut, and nut and the bottom surface of ear push up mutually to; The hole that each ear wears screw mandrel is a through hole, and the lower end periphery of through hole convexes with a ring protuberance downwards, and this nut fixes through trip bolt with the ring protuberance.
Aforesaid liftable turning rolls, described elevating mechanism also has a guidance system, and this guidance system comprises: a plurality of being fixedly arranged on the lifting pedestal, and be symmetrically distributed in the guide holder of turning rolls both sides, be inserted with a guide post on each guide holder regularly; The bracing frame of said turning rolls has also outwards protruded out boss portion in the position of corresponding each guide post, and each boss portion all offers pilot hole, and each guide post slides and is arranged in each pilot hole.
Aforesaid liftable turning rolls; All periphery convexes with a ring protuberance downwards to each described boss portion in the lower end of its pilot hole; The lower end of ring protuberance set firmly one have a centre bore end cap, set firmly a copper axle sleeve in the centre bore of end cap, described guide post slides and is arranged in this axle sleeve.
Aforesaid liftable turning rolls; Described elevating mechanism also has a limit switch of connecting with the drive motors circuit of elevating mechanism; This limit switch comprise one be installed in bracing frame one side of turning rolls lifting unit; And one be installed on the lifting pedestal, and with the corresponding fixed part of this lifting unit; Lifting unit goes up and down with turning rolls, contact with fixed part or away from, and can break off or be communicated with the drive circuit of this elevating mechanism.
Aforesaid liftable turning rolls, the lifting unit of said limit switch descend two ends to convex with two positive stops above that, and fixed part convexes with a fixed stop; This fixed stop is arranged between two positive stops, and can be in contact with it through the up-down of positive stop.
By above technical scheme; The advantage of the utility model is that elevating mechanism is positioned at the outside of turning rolls edge, makes turning rolls can pass through the rising and the decline of elevating mechanism; And be active in the accommodation space of elevating mechanism; Removed the shared height space of elevating mechanism from, cost has been practiced thrift in the use of arranging in pairs or groups mutually of convenient and the standard roller frame that is flat on ground.When the combination of the isometrical cylinder weldment of welding, the turning rolls of the utility model can be reduced to the position of ground proximity, and with height such as standard roller frame grade; When the less cylinder weldment of weld diameter difference made up, elevating mechanism made turning rolls of the utility model and standard roller frame have a less difference in height, to adapt to the less diameter difference of weldment a bit of distance of turning rolls lifting; When the diameter difference of cylinder weldment combination becomes big, then can continue to regulate elevating mechanism, the turning rolls of lifting the utility model, and widen the difference in height distance with the standard roller frame.
Secondly, the setting of guidance system can make between the bracing frame of elevating mechanism and turning rolls of the utility model horizontal looseness not take place, and makes the up-down of turning rolls more stable.
Once more, the setting of limit switch, the elevating mechanism that can make the utility model is at two extreme position autostops up and down, and the bracing frame of protection turning rolls can not come off from each leading screw.
Description of drawings
Fig. 1 is the stereogram of the utility model;
Fig. 2 is the vertical view of the utility model elevating mechanism;
Fig. 3 is the utility model screw mandrel and the partial sectional view that props up ear;
Fig. 4 is the partial sectional view of the utility model guidance system and boss portion;
Fig. 5 is the partial perspective view of the utility model limit switch.
The main element label declaration:
1 turning rolls, 10 bracing frames
11 boss portion, 111 ring protuberances
112 pilot holes
12 ear's 122 through holes
123 ring protuberances, 13 roller mount
14 driving shafts, 15 motors
16 rollers, 2 elevating mechanisms
20 lifting pedestals, 21 drive motors
22 commutators, 23 power transmission shafts
24 power transmission shafts, 241 worm screw portions
25 shaft couplings, 26 screw mandrels
261 worm gear portions, 262 nuts
27 guidance systems, 271 guide holders
272 guide posts, 273 axle sleeves
274 end caps
28 limit switches, 281 fixed parts
282 lifting units, 29 accommodation spaces
The specific embodiment
For goal of the invention, technological means and the technique effect that makes the utility model has more complete and clearly exposure, will be elaborated below, and please consult accompanying drawing and element numbers in the lump.
The liftable turning rolls of the utility model both can be the active roller frame, also can be the return idler frame, below be that example is launched explanation just with liftable active roller frame.
See also Fig. 1 and shown in Figure 2, a kind of liftable of the utility model (initiatively) turning rolls comprises turning rolls 1 and elevating mechanism 2; Turning rolls 1 comprises a bracing frame 10; The both sides at the top of bracing frame 10 symmetry respectively are pivoted with a driving shaft 14 through motor 15 drivings; Driving shaft 14 is provided with the roller 16 that receives its drive and rotate, and described turning rolls 1 is provided with this elevating mechanism 2 in the outside of its edge, and elevating mechanism 2 is the framework moulding (as shown in Figure 2) of hollow; The inner hollow space of framework is an accommodation space 29, and the bracing frame 10 of turning rolls 1 can be sat and crouches in this accommodation space 29; Elevating mechanism 2 has driver part and connected drive disk assembly, and drive disk assembly is connected with the bracing frame 10 of turning rolls 1 and can drives this turning rolls 1 and moves up and down.
Specifically, this elevating mechanism 2 comprises: one is the lifting pedestal 20 of hollow framework shape, is fixed on the plane; A plurality of upright screw mandrels 26 that are distributed in turning rolls 1 both sides all are hubbed on the lifting pedestal 20, and each screw mandrel 26 all is threaded with the bracing frame 10 of turning rolls 1; At least one drive motors 21 is fixedly arranged on the lifting pedestal 20, and drive motors 21 links to each other with a plurality of power transmission shafts 23,24 with commutator 22 through shaft coupling 25, and power transmission shaft 23 links to each other with described a plurality of screw mandrels 26 through worm-and-wheel gear; Drive motors 21 can drive each screw mandrel 26 rotation, and the bracing frame 10 of turning rolls 1 is moved up and down.
In the present embodiment; Described elevating mechanism 2 is provided with four described screw mandrels 26; Lay respectively at four jiaos of outsides of the bracing frame 10 of turning rolls 1; And the bracing frame 10 of turning rolls 1 has outwards protruded out an ear 12 respectively at the correspondence position of Qi Sijiao, and each ear 12 all offers and supplies screw mandrel 26 to wear the hole that is spirally connected; Power transmission shaft 23,24 c-shaped layout above lifting pedestal 20 of said elevating mechanism 2; As shown in Figure 2; Drive motors 21 links to each other with a commutator 22 through shaft coupling 25; Commutator connects an end of mutually perpendicular power transmission shaft 23 and power transmission shaft 24 respectively through two shaft couplings 25, the other end of power transmission shaft 23 connects another commutators 22 through shaft coupling 25, this commutator 22 connect opposite sides through shaft coupling 25 again with the perpendicular power transmission shaft 24 of power transmission shaft 23; Thereby the transmission system of forming a C shape, wherein respectively this commutator 22 all is fixedly arranged on the lifting pedestal 20; And respectively on this power transmission shaft 23 position of corresponding each screw mandrel 26 all have a worm screw portion 241; And the bottom of each screw mandrel 26 all has a worm gear portion 261; Each worm gear portion 261 is meshed with each worm screw portion 241; The above-mentioned worm-and-wheel gear of common composition, and can power be conducted on each screw mandrel 26 from power transmission shaft 23.
Further, see also shown in Figure 3ly, each described screw mandrel 26 all is arranged with a nut 262, and nut 262 and the bottom surface of an ear 12 push up mutually to; The hole that each ear 12 wears screw mandrel 26 is a through hole 122, and the lower end periphery of through hole 122 convexes with a ring protuberance 123 downwards, and this nut 262 and ring protuberance 123 fix through trip bolt.Whereby, screw mandrel 26 only with nut 262 bolts, directly contact, but leans on nut 262 tops to prop up and be fixed in an ear 12 with ear 12, so can reduce the machining accuracy of propping up ear 12, practiced thrift cost.
Being threaded of above-mentioned screw mandrel 26 will certainly produce less thread pitch, and this gap can cause screw mandrel 26 and an ear 12 at radially play in the mechanism kinematic process.For reducing even eliminating this radial-play; The elevating mechanism 2 of the utility model also has a guidance system 27; See also Fig. 2 and shown in Figure 4; This guidance system 27 comprises: a plurality of being fixedly arranged on the lifting pedestal 20, and be symmetrically distributed in the guide holder 271 of turning rolls 1 both sides, be inserted with a guide post 272 on each guide holder 271 regularly; The bracing frame 10 of said turning rolls 1 has also outwards protruded out boss portion 11 (as shown in Figure 1) in the position of corresponding each guide post 272, and each boss portion 11 all offers pilot hole 112, and each guide post 272 slides and is arranged in each pilot hole 112.
Please further consult shown in Figure 4; All periphery convexes with a ring protuberance 111 downwards to each described boss portion 11 in the lower end of its pilot hole 112; The lower end of ring protuberance 111 set firmly one have a centre bore end cap 274; Set firmly a copper axle sleeve 273 in the centre bore of end cap 274, described guide post 272 slides and is arranged in this axle sleeve 273.In the present embodiment, the axial length of axle sleeve 273 provides guide post 272 more firm radial location ability greater than the base plate thickness of boss portion 11 with this; Simultaneously, axle sleeve 273 is more wear-resisting copper material, provides guidance system 27 more durable service life.
Please further consult shown in Figure 5; The elevating mechanism 2 of the utility model also has a limit switch 28 of connecting with drive motors 21 circuit of elevating mechanism 2; This limit switch 28 comprises the lifting unit 282 that is installed on the bracing frame 10 of turning rolls 1; And one be installed on the lifting pedestal 20, and with these lifting unit 282 corresponding fixed parts 281; Wherein, lifting unit 282 has two positive stops up and down, and fixed part 281 has a fixed stop, is arranged between two positive stops; Lifting unit 282 goes up and down with turning rolls 1, positive stop contact with the fixed stop of fixed part or away from, and can break off or be communicated with the drive circuit of this elevating mechanism 2.
Above-mentioned is the concrete structure of liftable active roller frame, and liftable return idler frame is compared with it, only in the position of roller 16 driving shaft is changed to the driven shaft that does not comprise motor, and all the other all structures and annexation are identical, repeat no more at this.
The utility model with said structure, its operation principle is following:
Lifting pedestal is flat on the ground, turning rolls is sling, and be flat in the accommodation space of lifting pedestal, screw mandrel and lead then are installed, accomplish the assembly work of liftable turning rolls;
The liftable active roller frame that assembling is accomplished is put with liftable return idler chord position and is calibrated, and correspondence is provided with another group standard roller frame, on two cover turning rolls, sets up the cylinder weldment again and operates with the axis centering of carrying out weldment.When two cylinder weldment axis height not simultaneously, through the drive motors of electrical control end control elevating mechanism, drive power transmission shaft and rotate; And screw mandrel is rotated synchronously, and drive the nut synchronization lifting on the screw mandrel, the bracing frame that nut drives turning rolls goes up and down; Because four jiaos lift nut is synchronous; And the boss portion of bracing frame is driven on the guide post of guidance system slides, and makes bracing frame can not produce inclination, and remains on the vertical direction motion; At this moment, as long as bracing frame does not move to extreme position, the fixed part of limit switch does not just contact with lifting unit, and keeps the connection of drive circuit.After weldment axis centering, through the drive motors of electric locked elevating mechanism, thus the position of locking liftable turning rolls.
By above-mentioned operation principle, the turning rolls of the utility model can slide arbitrarily between the bottom of screw mandrel and top, contacts and it can be low to moderate with ground, with height such as standard roller frame grade, and welds isometrical weldment; Also can be increased to the standard roller frame and have a difference in height, and weld waney weldment.Its a set of equipment once assembles, and just can be applicable to the cylinder weldment combination of various different-diameters poor (especially isometrical or diameter difference is less), has both practiced thrift cost, has practiced thrift man-hour, has using value very widely again.
The above act is merely the schematic part embodiment of the utility model; It is not scope in order to restriction the utility model; Any those skilled in the art; Equivalent variations of under the prerequisite of design that does not break away from the utility model and principle, having done and modification all should be included within this patent protection domain.
Claims (9)
1. a liftable turning rolls comprises a bracing frame, and the both sides at the top of bracing frame symmetry respectively are pivoted with one through motor-driven driving shaft, and driving shaft is provided with the roller that receives its drive and rotate, and it is characterized in that:
Described turning rolls also is provided with an elevating mechanism in the outside of its edge, and elevating mechanism is the framework moulding of hollow, and the inner hollow space of framework is an accommodation space, and the bracing frame of turning rolls can be sat and crouches in this accommodation space; Elevating mechanism has driver part and connected drive disk assembly, and drive disk assembly is connected with the bracing frame of turning rolls and can drives this turning rolls and moves up and down.
2. a liftable turning rolls comprises a bracing frame, and the both sides at the top of bracing frame symmetry respectively are pivoted with a driven shaft, and driven shaft is provided with and driven and the roller of rotation by workpiece frictional force, it is characterized in that:
Described turning rolls also is provided with an elevating mechanism in the outside of its edge, and elevating mechanism is fixed in a plane, and is the framework moulding of hollow, and the inner hollow space of framework is an accommodation space, and the bracing frame of turning rolls can be sat and crouches in this accommodation space; Elevating mechanism has driver part and connected drive disk assembly, and drive disk assembly is connected with the bracing frame of turning rolls and can drives this turning rolls and moves up and down.
3. liftable turning rolls according to claim 1 and 2 is characterized in that, this elevating mechanism comprises:
One is the lifting pedestal of hollow framework shape, is fixed on the plane;
A plurality of upright screw mandrels that are distributed in the turning rolls both sides all are hubbed on the lifting pedestal, and each screw mandrel all is threaded with the bracing frame of turning rolls;
At least one drive motors is fixedly arranged on the lifting pedestal, and drive motors links to each other with a plurality of power transmission shafts with commutator through shaft coupling, and power transmission shaft links to each other with described a plurality of screw mandrels through worm-and-wheel gear; Drive motors can drive each screw mandrel rotation, and the bracing frame of turning rolls is moved up and down.
4. liftable turning rolls according to claim 3 is characterized in that:
Described elevating mechanism is provided with four described screw mandrels, lay respectively at four jiaos of outsides of the bracing frame of turning rolls, and the bracing frame of turning rolls has outwards protruded out an ear respectively at the correspondence position of Qi Sijiao, and each ear all offers and supplies screw mandrel to wear the hole that is spirally connected;
The power transmission shaft of said elevating mechanism is c-shaped layout above lifting pedestal, and the corner of C shape is connected with described commutator, and commutator is fixedly arranged on the lifting pedestal.
5. liftable turning rolls according to claim 4 is characterized in that, each described screw mandrel all is arranged with a nut, and nut and the bottom surface of ear push up mutually to; The hole that each ear wears screw mandrel is a through hole, and the lower end periphery of through hole convexes with a ring protuberance downwards, and this nut fixes through trip bolt with the ring protuberance.
6. liftable turning rolls according to claim 3 is characterized in that:
Described elevating mechanism also has a guidance system, and this guidance system comprises: a plurality of being fixedly arranged on the lifting pedestal, and be symmetrically distributed in the guide holder of turning rolls both sides, be inserted with a guide post on each guide holder regularly;
The bracing frame of said turning rolls has also outwards protruded out boss portion in the position of corresponding each guide post, and each boss portion all offers pilot hole, and each guide post slides and is arranged in each pilot hole.
7. liftable turning rolls according to claim 6; It is characterized in that; All periphery convexes with a ring protuberance downwards to each described boss portion in the lower end of its pilot hole; The lower end of ring protuberance set firmly one have a centre bore end cap, set firmly a copper axle sleeve in the centre bore of end cap, described guide post slides and is arranged in this axle sleeve.
8. liftable turning rolls according to claim 3; It is characterized in that; Described elevating mechanism also has a limit switch of connecting with the drive motors circuit of elevating mechanism; This limit switch comprise one be installed in bracing frame one side of turning rolls lifting unit, and one be installed on the lifting pedestal, and with the corresponding fixed part of this lifting unit; Lifting unit goes up and down with turning rolls, contact with fixed part or away from, and can break off or be communicated with the drive circuit of this elevating mechanism.
9. liftable turning rolls according to claim 8 is characterized in that, the lifting unit of said limit switch descends two ends to convex with two positive stops above that, and fixed part convexes with a fixed stop; This fixed stop is arranged between two positive stops, and can be in contact with it through the up-down of positive stop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205638468U CN202367399U (en) | 2011-12-29 | 2011-12-29 | Lifting roller carrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205638468U CN202367399U (en) | 2011-12-29 | 2011-12-29 | Lifting roller carrier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202367399U true CN202367399U (en) | 2012-08-08 |
Family
ID=46591122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205638468U Expired - Fee Related CN202367399U (en) | 2011-12-29 | 2011-12-29 | Lifting roller carrier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202367399U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103331565A (en) * | 2013-06-24 | 2013-10-02 | 国家电网公司 | Steel pipe butt-welding positioning support |
| CN103950023A (en) * | 2014-04-28 | 2014-07-30 | 安徽开乐专用车辆股份有限公司 | Self-swing anastomosis type roller frame |
| CN104209689A (en) * | 2014-08-28 | 2014-12-17 | 安徽盛运环保（集团）股份有限公司 | Multifunctional rotary roller carrier tool |
| CN104842115A (en) * | 2015-05-29 | 2015-08-19 | 江苏健德铁塔有限公司 | Universal fitting-up adjustment |
| CN106003443A (en) * | 2016-05-23 | 2016-10-12 | 上海日进机床有限公司 | All-silicon-rod squaring machine and squaring method |
| CN108621317A (en) * | 2017-03-22 | 2018-10-09 | 中天科技精密材料有限公司 | Pipe cutting equipment and cutting method |
| CN108907402A (en) * | 2018-09-17 | 2018-11-30 | 山东茂盛管业有限公司 | A kind of spiral steel pipe divided edge molding device |
| CN110202315A (en) * | 2019-07-04 | 2019-09-06 | 重庆长征重工有限责任公司 | A kind of concave bottom elevation type rolling wheel device |
-
2011
- 2011-12-29 CN CN2011205638468U patent/CN202367399U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103331565A (en) * | 2013-06-24 | 2013-10-02 | 国家电网公司 | Steel pipe butt-welding positioning support |
| CN103331565B (en) * | 2013-06-24 | 2016-03-02 | 国家电网公司 | Steel pipe butt welding locating support |
| CN103950023A (en) * | 2014-04-28 | 2014-07-30 | 安徽开乐专用车辆股份有限公司 | Self-swing anastomosis type roller frame |
| CN103950023B (en) * | 2014-04-28 | 2016-01-13 | 安徽开乐专用车辆股份有限公司 | A kind of self-swinging engagement turning rolls |
| CN104209689A (en) * | 2014-08-28 | 2014-12-17 | 安徽盛运环保（集团）股份有限公司 | Multifunctional rotary roller carrier tool |
| CN104842115A (en) * | 2015-05-29 | 2015-08-19 | 江苏健德铁塔有限公司 | Universal fitting-up adjustment |
| CN106003443A (en) * | 2016-05-23 | 2016-10-12 | 上海日进机床有限公司 | All-silicon-rod squaring machine and squaring method |
| CN108621317A (en) * | 2017-03-22 | 2018-10-09 | 中天科技精密材料有限公司 | Pipe cutting equipment and cutting method |
| CN108907402A (en) * | 2018-09-17 | 2018-11-30 | 山东茂盛管业有限公司 | A kind of spiral steel pipe divided edge molding device |
| CN110202315A (en) * | 2019-07-04 | 2019-09-06 | 重庆长征重工有限责任公司 | A kind of concave bottom elevation type rolling wheel device |
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