CN201950089U - Transmission device for hot rolling strip steel coiling machine - Google Patents
Transmission device for hot rolling strip steel coiling machine Download PDFInfo
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- CN201950089U CN201950089U CN2010207010730U CN201020701073U CN201950089U CN 201950089 U CN201950089 U CN 201950089U CN 2010207010730 U CN2010207010730 U CN 2010207010730U CN 201020701073 U CN201020701073 U CN 201020701073U CN 201950089 U CN201950089 U CN 201950089U
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- reel
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- transmission device
- hollow sleeve
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Abstract
The utility model discloses a transmission device for a hot rolling strip steel coiling machine. The transmission device comprises an outer support, a reel, a support box, an expansion and contraction cylinder, a gear box, a rotary joint, and a hollow sleeve; the reel is supported by the outer support and the support box to rotate; the moment output by a motor is transferred to the reel through the gear box, the expansion and contraction cylinder and the hollow sleeve; a hydraulic system supplies pressure oil to the expansion and contraction cylinder through the rotary joint and the output shaft of the gear box; the expansion and contraction cylinder provides axial tension for opening the reel; and an axial force closed loop system is formed among the expansion and contraction cylinder, the hollow sleeve and the reel. By changing the transmission structure of the transmission device, the axial tension between the reel and the expansion and contraction cylinder is converted into internal force, so that other equipment is prevented from being damaged by the axial force. The hollow sleeve is arranged in the support box, the hydraulic pressure expansion and contraction cylinder and a mandrel of the reel are connected through a half block, so that the reel can be quickly replaced; the product thickness range of the coiling machine is expanded due to the grading control of the gear box; and an ultrasonic transducer detects the position of a measurement disk to acquire the diameter of the reel.
Description
Technical field
The utility model relates to a kind of hot-strip taking-up equipment.
Background technology
Three roller underground types torrid zone coiling machine is widely used in the hot-strip workshop, and reel is the core component of whole coiling machine.In the strip coiling process, reel is except the circumferencial direction rotation, also the requirement footpath of can repeatedly rising realizes that with the batching of steel before the band steel arrived reel, reel will be adjusted to earlier and batch diameter, treat that coil of strip is after batching 2～3 circles on the reel, the reel secondary rises directly, to set up coiling tension, when batching end, reel wants undergauge to unloading coil diameter, and coil of strip can be unloaded from reel.The above action of reel the time realizes jointly by transmission device, breathing hydraulic cylinder and swivel joint.At present, coiling machine transmission arrangement form commonly used is: motor-gear-box-support case-reel-outer the support is furnished with contract cylinder and swivel joint at the gear-box afterbody.
The employed reel of hot rolling coiler is generally rectangular pyramid version, the radially tensile force of reel is that the axial tension by the breathing oil cylinder is delivered to circumferencial direction by tiltedly carving, the breathing oil cylinder to the axial tension of reel up to 1500KN, and the bearing of the so big supported case of axial force bears, use the on-the-spot bearing that supports on the case can very fast inefficacy a lot, thereby bring device damage and production accident.
Reel surface in the course of the work can wear and tear, and needs periodic replacement, in a lot of production scenes, to open supporting the case top box earlier when changing reel, reel be hung away, then new reel be put into the support case and resetted again from top, this process need considerable time, and quite loaded down with trivial details.
The utility model content
In view of this, the technical problems to be solved in the utility model is to provide a kind of hot-strip reels transmission device, eliminates the infringement of axial force to equipment, fast changeable reel and the diameter that detects reel.
For solving the problems of the technologies described above, the technical solution of the utility model is achieved in that a kind of hot-strip reels transmission device, it is characterized in that, comprise outer the support, reel, support case, contract cylinder, gear-box, swivel joint, hollow sleeve, reel is by outer support and support case support rotation, the moment of motor output is through gear-box, contract cylinder and hollow sleeve are passed to reel, hydraulic system by swivel joint via the output shaft of gear-box to contract cylinder for pressure oil, the axial tension that contract cylinder provides reel to strut, contract cylinder, form the axial force closed-loop system between hollow sleeve and the reel three.
Further, be rigidly connected between described reel, hollow sleeve and the contract cylinder.
Further, on the contiguous block of described contract cylinder and central spindle of reel junction, be provided with the measurement dish, detect the position of measurement dish by ultrasonic sensor.
Further, at the two ends of described reel cylindrical biserial circular cone roller bearing is housed respectively, is fixed in described outer support and the support case, be provided with described hollow sleeve in the casing of support case, in supporting box body, reel is that spline is connected with hollow sleeve by biserial circular cone roller bearing fixing.
Further, described transmission device also is provided with the shift fork hydraulic cylinder, and when batching thickness≤10mm, when the withdrawal of shift fork hydraulic cylinder, gear-box is adjusted to top gear; When batching thickness＞10mm, the shift fork hydraulic cylinder stretches out, and gear-box is adjusted to low or first gear.
The technique effect that the utility model reaches is as follows:
1, the hydraulic pressure contract cylinder is arranged between support case and the gear-box, form the internal force closed-loop system between reel, hollow sleeve and the contract cylinder, support the radial load that case only bears reel, play remarkable effect for improving the support axle box bearing life-span, other parts do not bear this axial force yet, make the axial tension between reel and the contract cylinder be converted into internal force, also reduced the replacing frequency of other consumable accessory.
2, the hydraulic pressure cylinder that expands contracts in this transmission system except the reel tension force is provided, and also plays the effect of transmitting moment of torsion, and the coiling tension of coiling machine transmits by main motor-gear-box-shaft coupling-contract cylinder-reel route; In the coiling process, need calculate the diameter of reel by the stroke of real-time measurement hydraulic pressure contract cylinder, because contract cylinder runs up with reel, be convenient its stroke that detects, one circular measurement dish is installed on contiguous block, detect the position of measurement dish by ultrasonic sensor, for the control system of reel provides accurate data.
3, when the range of belt steel product is big, the coiling machine transmission device is difficult to satisfy the requirement of batching small dimension and big specification simultaneously, particularly for the band steel of thickness greater than 10mm, need batch under the condition of the high coiling tension of low speed.Stepping transmission by gear-box can realize above requirement.This gear-box is by the upper, middle and lower casing, gear I, gear II, gear III, gear shaft, bearing block, output shaft, spline wheel, spline housing, compositions such as driving lever and shift fork hydraulic cylinder.Gear shaft and gear I engagement form a retaining speed ratio; Gear II and gear III engagement form another retaining speed ratio.When belt steel thickness≤10mm, the main transmission box speed ratio is made as first grade; When belt steel thickness＞10mm, the main transmission box speed ratio is made as second grade.
4, in supporting case, be provided with the internal spline hollow sleeve, transfer torque on the reel, when reel is installed, only need from the side reel to be packed in the hollow sleeve, reel is blocked with supporting case end clamp by hollow sleeve; During the dismounting reel, only clamp need be taken down, reel be extracted out from the side with specific purpose tool.Do not need to dismantle and support the quick replacing that case and bearing can be realized reel, this structure has obviously shortened the replacing time of reel, has alleviated working strength of workers.
Description of drawings
Fig. 1 is the structural representation of the utility model hot rolling coiler transmission device.
Fig. 2 is the installation diagram of the utility model hot rolling coiler transmission device.
Fig. 3 is the cut-away view of gear-box.
Number in the figure is described as follows:
1-supports 2-reel 3-outward and supports case 4-contract cylinder
5-gear-box 6-swivel joint 7-motor 8-hollow sleeve
9-measurement dish 10-gear shaft 11-gear I 12-gear II
13-spline wheel 14-spline housing 15-shift fork hydraulic cylinder 16-gear III
The specific embodiment
As shown in Figure 1, be hot rolling coiler transmission device provided by the utility model, comprise outer support 1, reel 2, support case 3, contract cylinder 4, gear-box 5, swivel joint 6 and motor 7.Wherein, reel 2 supports rotation by outer support 1 and support case 3.The output torque transfer route of main motor 7 is: gear-box 5-contract cylinder 4-hollow sleeve 8-reel 2; Hydraulic system gives contract cylinder 4 for pressure oil by swivel joint 6 via the output shaft of gear-box 5, contract cylinder 4 is also providing axial pulling force that reel 2 is strutted in the rotation at a high speed, forms the axial force closed-loop system between contract cylinder 4, hollow 8 covers, reel 2 threes.
Hydraulic pressure contract cylinder 4 is arranged on and supports between case 3 and the gear-box 5, has shortened the transfer route of axial force.By the Hough piece axle of hydraulic pressure contract cylinder 4 with reel 2 is connected, reel 2 is connected by the cylinder body of hollow sleeve 8 with contract cylinder 4, and the three is rigidly connected, and forms the internal force closed-loop system.Therefore outer support 1 and support case 3 only bear radial load, thereby have improved the service life of its bearing.
The two ends cylindrical of reel 2 is equipped with biserial circular cone roller bearing respectively, is fixed on outer to support 1 and support in the case 3, support in the casing of case 3 and be provided with a hollow sleeve 8, by biserial circular cone roller bearing fixing in casing.When reel 2 was installed, only side was inserted reel 2 horizontal directions in the support case 3 from left to right, and this moment, reel 2 external splines cooperated with hollow sleeve 8 internal splines, transmitted moment of torsion.When needs dismountings reel 2, only need reel 2 is held with special cart, from side from right to left reel 2 is pulled out and support case 3 and get final product.The moment of torsion of transmission device is delivered to reel 2 by hollow sleeve 8, and reel 2 and hollow sleeve 8 are for spline is connected, and be for convenience detach, when needs are changed reel 2, only needs the cancellation of axle head clamp can be extracted out reel 2 from support case 3; Otherwise new reel also can be inserted in the support case 3 fast.
Swivel joint 6 is installed on gear-box 5 output shafts, is used for to the rotary part fuel feeding.Gear-box 5 output shaft inside offer 2 hydraulic pressure oilholes and 2 drier oil holes, and the hydraulic oil and the lubricating oil that are used for swivel joint 6 is provided supply to contract cylinder 4 and reel 2 respectively.In contract cylinder 4 and reel 2 axle junctions one measurement dish is installed, be installed in the stroke of the ultrasonic sensor detection contract cylinder 4 on the transmission device base, can calculate the diameter of reel 2 by formula, if the position that no show requires, then stretch out or withdraw, detect the precalculated position up to ultrasonic sensor by HYDRAULIC CONTROL SYSTEM contract cylinder 4.Before the band steel arrived coiling machine, reel 2 will expand earlier directly to adjust to and treat coil diameter; When the band steel helping twining 2～3 circles under the effect of winding up roller on the reel circumference after, firmly tensioning of steel will be with in contract cylinder 4 piston rods withdrawal assigned address, the reel 2 secondaries footpath of expanding, and make to be with no relative slip between steel and the reel 2.
When batching thickness less than the band steel of 10mm, reel 2 is being worked low carrying under the situation at a high speed, and this moment, gear-box 5 need be adjusted to top gear.When batching thickness greater than the band steel of 10mm, reel 2 is worked under the low-speed heave-load situation, and this moment, gear-box 5 need be adjusted to low or first gear.The speed ratio of change gear box 5 carries out under stopped status.When shift fork hydraulic cylinder 15 stretches out, shift fork hydraulic cylinder 15 by driving lever spline housing 14 to the right direction move, spline housing just links up gear III 16 and spline wheel 13, and transmit moment of torsion by gear I11 and gear III 16 this moment, and gear-box 5 is in low gear work; When shift fork hydraulic cylinder 15 was withdrawn into the centre position, spline housing 14 just all was positioned on the spline wheel 13, and at this moment the power of gear II 12, gear III 16 is not all passed to output shaft, and output shaft does not rotate; When 15 withdrawals of shift fork hydraulic cylinder, spline housing 14 just links up gear II 12 and spline wheel 13, and this moment, gear-box 5 was in high gear work.
The course of work of the present utility model is: before reel 2 electric motor startings, select suitable gear-box speed ratio according to the belt steel product specification of current production; Before the band steel arrives reel 2, reel 2 raising speeds are to being higher than roller table speed 5%～10%, this calculates reel 2 diameters according to the position of ultrasonic sensor detection measurement dish by control system, and arrives desired value by flexible adjustment reel 2 diameters of control contract cylinder 4 piston rods; After the band steel entered coiling machine, winding reel 2 twined 3～5 circles under the effect that helps winding up roller, and reel 2 carries out the footpath of expanding the second time, coil of strip and reel 2 is embraced firmly be integral; After waiting to finish the batching of the several leading circle of coil of strip, reel 2 motors 7 are converted to Torque Control by speed control, guarantee permanent tension coiling; Ending phase to be batched, coil stripping car rise and hold coil of strip, and this moment, reel 2 wanted undergauge to minimum diameter, support 1 outward and open, and coil stripping car outwards moves coil of strip is unloaded from reel 2.
The above is preferred embodiment of the present utility model only, is not to be used to limit protection domain of the present utility model.
Claims (5)
1. hot-strip reels transmission device, it is characterized in that, comprise outer support, reel, support case, contract cylinder, gear-box, swivel joint, hollow sleeve, reel is by outer support and support case support rotation, the moment of motor output is passed to reel through gear-box, contract cylinder and hollow sleeve, hydraulic system by swivel joint via the output shaft of gear-box to contract cylinder for pressure oil, the axial tension that contract cylinder provides reel to strut forms the axial force closed-loop system between contract cylinder, hollow sleeve and the reel three.
2. hot-strip reels transmission device as claimed in claim 1 is characterized in that, is rigidly connected between described reel, hollow sleeve and the contract cylinder.
3. hot-strip reels transmission device as claimed in claim 1 is characterized in that, is provided with the measurement dish on the contiguous block of described contract cylinder and central spindle of reel junction, detects the position of measurement dish by ultrasonic sensor.
4. hot-strip reels transmission device as claimed in claim 1, it is characterized in that, at the two ends of described reel cylindrical biserial circular cone roller bearing is housed respectively, be fixed in described outer support and the support case, be provided with described hollow sleeve in the casing of support case, in supporting box body, reel is that spline is connected with hollow sleeve by biserial circular cone roller bearing fixing.
5. hot-strip reels transmission device as claimed in claim 1 is characterized in that described transmission device also is provided with the shift fork hydraulic cylinder, and when batching thickness≤10mm, when the withdrawal of shift fork hydraulic cylinder, gear-box is adjusted to top gear; When batching thickness＞10mm, the shift fork hydraulic cylinder stretches out, and gear-box is adjusted to low or first gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010207010730U CN201950089U (en) | 2010-12-30 | 2010-12-30 | Transmission device for hot rolling strip steel coiling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010207010730U CN201950089U (en) | 2010-12-30 | 2010-12-30 | Transmission device for hot rolling strip steel coiling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201950089U true CN201950089U (en) | 2011-08-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010207010730U Expired - Fee Related CN201950089U (en) | 2010-12-30 | 2010-12-30 | Transmission device for hot rolling strip steel coiling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201950089U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102626725A (en) * | 2012-04-09 | 2012-08-08 | 马钢(集团)控股有限公司 | Method for replacing take-up mandrel of CSP (Cast Steel Plate) hot-rolled sheet |
| CN104118749A (en) * | 2014-07-14 | 2014-10-29 | 江苏辰光纸箱机械制造有限公司 | Paper feeding rubber roller capable of being replaced quickly |
-
2010
- 2010-12-30 CN CN2010207010730U patent/CN201950089U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102626725A (en) * | 2012-04-09 | 2012-08-08 | 马钢(集团)控股有限公司 | Method for replacing take-up mandrel of CSP (Cast Steel Plate) hot-rolled sheet |
| CN102626725B (en) * | 2012-04-09 | 2015-05-13 | 马钢(集团)控股有限公司 | Method for replacing take-up mandrel of CSP (Cast Steel Plate) hot-rolled sheet |
| CN104118749A (en) * | 2014-07-14 | 2014-10-29 | 江苏辰光纸箱机械制造有限公司 | Paper feeding rubber roller capable of being replaced quickly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110831 Termination date: 20151230 |
|
| EXPY | Termination of patent right or utility model |