CN101608683B - Non-stop variable speed gear box for coiler with big reel or large tension - Google Patents
Non-stop variable speed gear box for coiler with big reel or large tension Download PDFInfo
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- CN101608683B CN101608683B CN2009101817057A CN200910181705A CN101608683B CN 101608683 B CN101608683 B CN 101608683B CN 2009101817057 A CN2009101817057 A CN 2009101817057A CN 200910181705 A CN200910181705 A CN 200910181705A CN 101608683 B CN101608683 B CN 101608683B
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- 230000001360 synchronised effect Effects 0.000 claims description 27
- 230000005540 biological transmission Effects 0.000 claims description 15
- 239000011324 bead Substances 0.000 claims description 9
- 210000002421 cell wall Anatomy 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005272 metallurgy Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000001550 time effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
The invention relates to a non-stop variable speed gear box for a coiler with a big reel and large tension, wherein the opposite surfaces of the two gears of a speed adjusting shaft are provided with concentric ring-shaped outer friction ring grooves or friction rings; the distance from the edge openings of the ring-shaped outer friction ring grooves to the center of the shaft is larger than the distance from the bottoms of the grooves to the center of the shaft; the groove walls in the edge openings of the ring-shaped outer friction ring grooves are friction surfaces; an internal spline sleeve is a disc structure, wherein the center is provided with an internal spline, the outer margin is a fork slot, and the concentric periphery is provided with synchronization pin holes which are uniformly distributed and comprise synchronization pins; two ends of the synchronization pins are provided with friction inner rings, the ring bodies of which are located in the edge openings of the ring-shaped outer friction ring grooves, and the outer margins of the friction inner rings are inclined planes which are rough friction surfaces with the taper consistent with the groove walls; the inclined planes are rough friction surfaces; and when the internal spline is meshed with a fixed external spline on the shaft, the axial distance between the friction surfaces of the friction inner rings and the friction surfaces of the ring-shaped outer friction ring grooves is less than the distance between the external splines on the two gears and the external splines fixed on the shaft.
Description
Technical field
The present invention relates to a kind of speed-change gear box, the big reel of especially a kind of metallurgy industry, the employed speed-change gear box of not shutting down of hightension coiling machine.
Technical background
In modern age steel rolling was produced, the purposes of coiling machine was to collect the overlength rolled piece, and it is convenient to the package of transporting, producing and storing around being rolled into.Coiling machine is the important equipment of mill, is widely used in productions such as band, wire rod.
The coiling machine manufacturing process is divided into standby condition, normally batches state and rolling state.In each state, needed reel speed also is different.Under standby condition, the speed of batching is unsuitable too high, otherwise both has been unfavorable for the tension roller of nipping, and also is unfavorable for rolling up coiling.When normally batching, keep tension force by the initial velocity difference between reel and the rolled piece, the coiling machine of this moment should have enough accelerating abilities, reaches maximum speed as early as possible, with the performance maximum productivity.Should take lower reel speed during rolling, break away from violent whipping behind the milling train, cause a serious accident to avoid magnetic tape trailer.
In view of the large-scale requirement of big reel, hightension when batching operation, generally adopt variable-frequency motor to add 2 grades of speed-change gear boxs and satisfy.When the needs gear-box is shifted gears, after traditional high-power gearbox all needs gear-box to shut down, carry out the gear-box speed change by oil hydraulic cylinder or cylinder.The time effects that starts and stop whole piece rolling mill line manufacturing efficiency, and tension force continuity influence time is long, along with the reduction of temperature, intensity increases, and is also influential to the tightness of coil of strip.The invention provides a kind of gearbox of not shutting down, will help improving the coil of strip quality of big reel, hightension coiling machine.
Summary of the invention
The objective of the invention is to: can not realize not shutting down gear shift with speed-change gear box at big reel traditional in the metallurgy industry, hightension coiling machine.The whole piece rolling mill line manufacturing efficiency that caused the time effects that starts and stop; and tension force continuity influence time is long, and along with the reduction of temperature, intensity increases; to a series of problems such as the tightness of coil of strip is also influential, provide a kind of big reel, hightension coiling machine with not shutting down speed-change gear box.
The object of the present invention is achieved like this: a kind of big reel; the hightension coiling machine is with not shutting down speed-change gear box; comprise casing; be provided with parallel transmission shaft and speed governing axle in the casing; one end of transmission shaft and speed governing axle stretches out casing; transmission shaft is provided with two groups of gears that intermeshing velocity ratio is different with the speed governing axle; wherein; two gears on the transmission shaft fixedly mount with axle; two gears on the speed governing axle pass through Bearing Installation; be provided with gearshift between two gears of speed governing axle; described gearshift comprises: be fixed on the external splines on the axle between the gear external splines that is provided with on two gear opposing sides and two the gear external spliness; and an inner spline housing that on described external splines, slides that drives by shift fork, it is characterized in that:
A) two of the speed governing axle gear opposing sides are provided with concentric annular external friction ring recess, or concentric annular external friction circle are set and by on the opposing side that is bolted to gear;
B) bead of the annular external friction ring recess on the gear to the distance in axle center greater than annular external friction ring recess at the bottom of to the distance in axle center, the bead of annular external friction ring recess is a rubbing surface to the cell wall of bottom land;
C) inner spline housing is a disc structure, the center of disk is an internal spline, the outer rim of disk is a fork slot, the concentric circumferences of disk is provided with equally distributed synchronous pin-and-hole, is provided with synchronous pin in the pin-and-hole synchronously, sells two ends synchronously and is respectively equipped with the friction inner ring, the circle body of described friction inner ring is positioned at annular external friction ring recess bead, the outer rim of friction inner ring is the inclined-plane, and the tapering on inclined-plane is consistent with the cell wall of annular external friction ring recess, and the inclined-plane is coarse rubbing surface;
D) internal spline of inner spline housing only with axle on during fixing external splines engagement, the axial distance on friction inner ring outer rim bevel friction face and the gear between the rubbing surface of annular external friction ring recess is less than the external splines on two gears and be fixed on distance between the external splines on the axle.
In the present invention: comprise three synchronous pin-and-holes of tension force in the synchronous pin-and-hole on the concentric circumferences of inner spline housing at least, the synchronous pin-and-hole of tension force middle part is provided with around hole wall inside protruding weir and a spring seat, be provided with spring and spring housing in the spring seat, the middle part of being furnished with coupling in the synchronous pin-and-hole of tension force has the tension force of annular groove to sell synchronously, and the tension force of described spring is butted in the annular groove of the synchronous pin of tension force by axis direction by spring housing.
In the present invention: the friction inner ring adopts copper to do, and the coarse rubbing surface on inclined-plane is the rubbing surface that vertical-horizontal slot forms.
In the present invention: be provided with bearing or slide block between shift fork end in the fork slot and the fork slot.
In the present invention: the drive unit of shift fork adopts hydraulic jack or high pressure cylinder.
The invention has the advantages that: because the interior dead turn that gearshift has adopted synchronous pin to drive, in the gearshift procedure, interior dead turn can force the gear of rotation and the inner spline housing in the gearshift to rotate synchronously dynamically the time after touching gear, inner spline housing is successfully also meshed with the external splines transition of rotating middle gear, then by the gear drive output in rotating; Because the distance on interior dead turn outer rim bevel friction face and the gear between the rubbing surface of annular external friction ring recess is less than the external splines on two gears and be fixed on distance between the external splines on the axle, before dead turn meshes with the external splines that rotates middle gear in can guaranteeing, realize that at first the gear and the interior dead turn that rotate rotate synchronously, because interior dead turn and inner spline housing and the external splines that is fixed on the speed governing axle all are relative static, guarantee that the external splines on inner spline housing and the rotation middle gear is finished engagement under relative static state; Owing to be provided with bearing between shift fork end in the fork slot and the fork slot, can reduce the frictional force between the shift fork end and fork slot in the speed-change process.
Description of drawings
Fig. 1 is the embodiments of the invention structural representations;
Fig. 2 is the local enlarged diagram at A position among Fig. 1;
Gear structure schematic representation on Fig. 3 speed governing axle;
Fig. 4 is the schematic representation of inner spline housing;
Fig. 5 is the C-C sectional structure schematic representation of Fig. 4;
Fig. 6 is a friction inner ring structural representation;
Fig. 7 is the local enlarged diagram at friction inner ring B position;
Fig. 8 is the tension force structural representation of pin synchronously.
Among the figure: 1, friction inner ring, 2, the gear on the speed governing axle, 3, tension force sells synchronously, 4, inner spline housing, 5, spring housing, 6, spring, 7, the gear on the transmission shaft, 8, annular external friction circle, 9, annular external friction ring recess, 10, transmission shaft, 11, the speed governing axle, 12, rubbing surface, 13, annular groove, 14, external splines, 15, the synchronous pin-and-hole of tension force, 16, pin-and-hole synchronously, 17, spring seat, 18, bearing, 19, shift fork, 20, casing, 21, internal spline, 22, fork slot, 23, sell fixed hole synchronously, 24, the gear external splines.
Embodiment
Accompanying drawing discloses the concrete structure of the embodiment of the invention without limitation, below, the present invention is further illustrated in conjunction with the accompanying drawings.
As seen from Figure 3, the bead of the annular external friction ring recess 9 on the gear 2 to the distance in axle center greater than annular external friction ring recess at the bottom of to the distance in axle center, the bead of annular external friction ring recess 9 is a rubbing surface 12 to the cell wall of bottom land.
By Fig. 4 Fig. 5 as seen, inner spline housing 4 is a disc structure, the center of disk is an internal spline 21, the outer rim of disk is a fork slot 22, and the concentric circumferences of disk is provided with equally distributed synchronous pin-and-hole 16, is provided with synchronous pin in the pin-and-hole 16 synchronously, in the present embodiment, comprise three synchronous pin-and-holes 15 of equally distributed tension force in the pin-and-hole 16 synchronously, the synchronous pin-and-hole of tension force 15 middle parts are provided with around hole wall inside protruding weir and a spring seat 17, are provided with tension force pin 3 synchronously in the synchronous pin-and-hole 15 of tension force.
By Fig. 6 Fig. 7 as seen, the circle body of interior dead turn 1 is provided with the synchronous pin fixed hole 23 corresponding with inner spline housing 4, the outer rim of friction inner ring 1 is the inclined-plane, the cell wall of annular external friction ring recess 9 in the tapering on inclined-plane and the gear 2 (or be fixed on the opposing side of gear annular external friction circle 8) is consistent, the inclined-plane is coarse rubbing surface 12, in the present embodiment, the coarse rubbing surface 12 on inclined-plane is the rubbing surface of vertical-horizontal slot formation.
As seen from Figure 8, tension force is sold 3 middle part synchronously annular groove 13.
By Fig. 1 and Fig. 2 as seen, comprise casing 20, be provided with parallel transmission shaft 10 and speed governing axle 11 in the casing 20, one end of transmission shaft 10 and speed governing axle 11 stretches out casing 20, transmission shaft 10 is provided with two groups of gears that intermeshing velocity ratio is different with speed governing axle 11, wherein, two gears 7 on the transmission shaft 10 and axle fixed installation, two gears 2 on the speed governing axle 11 pass through Bearing Installation, be provided with gearshift between two gears 2 of speed governing axle 11, described gearshift comprises: be fixed on the external splines on the axle between the gear external splines 24 that is provided with on two gear 2 opposing sides and two the gear external spliness 24, and inner spline housing that on described external splines, slides 4 that drives by shift fork 19, gear 2 opposing sides of speed governing axle 11 are provided with concentric annular external friction ring recess 9, concentric annular external friction circle 8 are set and by on the opposing side that is bolted to gear 2 on another gear 2.Be provided with synchronous pin and tension force in the synchronous pin-and-hole 15 of the synchronous pin-and-hole 16 of inner spline housing 4 and tension force and be respectively equipped with friction inner ring 1 in pin 3 two ends synchronously, the circle body of friction inner ring 1 is positioned at the bead of annular external friction ring recess 9 and annular external friction circle 8; Be provided with spring 6 and spring housing 5 in the spring seat 17, be furnished with tension force pin 3 synchronously in the synchronous pin-and-hole 15 of tension force, the tension force of spring 6 is butted in the annular groove 13 of the synchronous pin 3 of tension force by axis direction by spring housing 5.
During concrete enforcement, friction inner ring 1 adopts ZCuZn25Al6Fe3Mn3 to make, to improve the wear resistance of friction inner ring 1; Be provided with bearing or slide block between shift fork 19 ends in the fork slot and the fork slot 22 to reduce friction, the drive unit of shift fork 19 adopts hydraulic jack or high pressure cylinder.
When assembling; when the internal spline of inner spline housing 4 only with axle on during fixing external splines engagement; distance on friction inner ring 1 outer rim bevel friction face 12 and the gear 2 between the rubbing surface 12 of annular external friction ring recess 9 should be less than the distance between two gear external spliness 24 and the external splines 4 that is fixed on the axle, rubbing surface 12 first contacts of annular external friction ring recess 9 on the outer rim bevel friction face 12 of the inner ring 1 that rubs when guaranteeing to shift gears and the gear 2.
Claims (5)
1. big reel; the hightension coiling machine is with not shutting down speed-change gear box; comprise casing; be provided with parallel transmission shaft and speed governing axle in the casing; one end of transmission shaft and speed governing axle stretches out casing; transmission shaft is provided with two groups of gears that intermeshing velocity ratio is different with the speed governing axle; wherein; two gears on the transmission shaft and transmission shaft fixed installation; two gears on the speed governing axle pass through Bearing Installation; be provided with gearshift between two gears of speed governing axle; described gearshift comprises: be fixed on the external splines on the speed governing axle between the gear external splines that is provided with on two gear opposing sides and two the gear external spliness; and an inner spline housing that on above-mentioned three external spliness, slides that drives by shift fork, it is characterized in that: in the speed governing axle:
A) two gear opposing sides are provided with concentric annular external friction ring recess, or concentric annular external friction circle are set and by on the opposing side that is bolted to gear;
B) bead of the annular external friction ring recess on the gear to the distance in axle center greater than annular external friction ring recess at the bottom of to the distance in axle center, the bead of annular external friction ring recess is a rubbing surface to the cell wall of bottom land;
C) inner spline housing is a disc structure, the center of disk is an internal spline, the outer rim of disk is a fork slot, the concentric circumferences of disk is provided with equally distributed synchronous pin-and-hole, is provided with synchronous pin in the pin-and-hole synchronously, sells two ends synchronously and is respectively equipped with the friction inner ring, the circle body of described friction inner ring is positioned at annular external friction ring recess bead, the outer rim of friction inner ring is the inclined-plane, and the tapering on inclined-plane is consistent with the cell wall of annular external friction ring recess, and the inclined-plane is coarse rubbing surface;
D) internal spline of inner spline housing only with the speed governing axle on during fixing external splines engagement, the axial distance on friction inner ring outer rim bevel friction face and the gear between the rubbing surface of annular external friction ring recess is less than the external splines on two gears and be fixed on distance between the external splines on the speed governing axle.
2. big reel according to claim 1, hightension coiling machine are with not shutting down speed-change gear box; it is characterized in that: comprise three synchronous pin-and-holes of tension force in the synchronous pin-and-hole on the concentric circumferences of inner spline housing at least; the synchronous pin-and-hole of tension force middle part is provided with around hole wall inside protruding weir and a spring seat; be provided with spring and spring housing in the spring seat; the middle part of being furnished with coupling in the synchronous pin-and-hole of tension force has the tension force of annular groove to sell synchronously, and the tension force of described spring is butted in the annular groove of the synchronous pin of tension force by axis direction by spring housing.
3. big reel according to claim 1, hightension coiling machine is characterized in that with not shutting down speed-change gear box: the friction inner ring adopts copper to do, and the coarse rubbing surface on inclined-plane is the rubbing surface that vertical-horizontal slot forms.
According to claim 1 or 2 or 3 described big reels, hightension coiling machine with not shutting down speed-change gear box, it is characterized in that: be provided with bearing or slide block between shift fork end in the fork slot and the fork slot.
5. big reel according to claim 1, hightension coiling machine is characterized in that with not shutting down speed-change gear box: the drive unit of shift fork adopts hydraulic jack or high pressure cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101817057A CN101608683B (en) | 2009-07-21 | 2009-07-21 | Non-stop variable speed gear box for coiler with big reel or large tension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101817057A CN101608683B (en) | 2009-07-21 | 2009-07-21 | Non-stop variable speed gear box for coiler with big reel or large tension |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101608683A CN101608683A (en) | 2009-12-23 |
| CN101608683B true CN101608683B (en) | 2011-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101817057A Active CN101608683B (en) | 2009-07-21 | 2009-07-21 | Non-stop variable speed gear box for coiler with big reel or large tension |
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| CN (1) | CN101608683B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101898705B (en) * | 2010-05-18 | 2012-06-20 | 中国电子科技集团公司第四十研究所 | Shift mechanism of ribbon rolling machine |
| CN102425663B (en) * | 2011-12-07 | 2014-06-25 | 湖南利尔电路板有限公司 | Pneumatic non-stop gear shift device for industrial gear box |
| CN105276102A (en) * | 2015-11-17 | 2016-01-27 | 江苏瑞星减速机有限公司 | Combined hydraulic speed changing heavy gearbox |
| CN109731945B (en) * | 2019-03-07 | 2020-08-25 | 昆明学院 | Uncoiler for hot rolled steel coil |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2688983Y (en) * | 2004-01-02 | 2005-03-30 | 山东金大路车业有限公司 | Gearboxes |
| EP1482207A3 (en) * | 2003-05-30 | 2006-06-07 | Comer Industries S.p.A. | Transmission unit for hose reel sprinklers |
| CN2879630Y (en) * | 2005-09-27 | 2007-03-21 | 浙江云洲齿轮箱有限公司 | Gearbox used specially for self-travelling combine harvester |
| CN201517591U (en) * | 2009-07-21 | 2010-06-30 | 南京高特齿轮箱制造有限公司 | Continuous change speed gear box for large-reel and high-tension reeling machine |
-
2009
- 2009-07-21 CN CN2009101817057A patent/CN101608683B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1482207A3 (en) * | 2003-05-30 | 2006-06-07 | Comer Industries S.p.A. | Transmission unit for hose reel sprinklers |
| CN2688983Y (en) * | 2004-01-02 | 2005-03-30 | 山东金大路车业有限公司 | Gearboxes |
| CN2879630Y (en) * | 2005-09-27 | 2007-03-21 | 浙江云洲齿轮箱有限公司 | Gearbox used specially for self-travelling combine harvester |
| CN201517591U (en) * | 2009-07-21 | 2010-06-30 | 南京高特齿轮箱制造有限公司 | Continuous change speed gear box for large-reel and high-tension reeling machine |
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| Publication number | Publication date |
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| CN101608683A (en) | 2009-12-23 |
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| C06 | Publication | ||
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Nanjing Gaojing Engineering Equipment Co., Ltd. Assignor: Nanjing Gaote Gear Box Manufacturing Co., Ltd. Contract record no.: 2012320000695 Denomination of invention: Non-stop variable speed gear box for coiler with big reel or large tension Granted publication date: 20110518 License type: Exclusive License Open date: 20091223 Record date: 20120601 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160525 Address after: 210012 Jiangsu Province, Yuhuatai District of Nanjing City, especially small Jia Ao No. 3 Patentee after: Nanjing High-Speed & Accurate Gear Group Co., Ltd. Address before: 211103 No. 8, Tian Tian Lu, Fang Fang Industrial Park, Jiangning District, Jiangsu, Nanjing Patentee before: Nanjing Gaote Gear Box Manufacturing Co., Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20191009 Address after: 211103 No. 79 Jianheng Road, Jiangning District, Nanjing City, Jiangsu Province Co-patentee after: Nanjing High Precision Transmission Equipment Manufacturing Group Co., Ltd. Patentee after: Nanjing High Precision Gear Group Co., Ltd. Address before: 210012 Jiangsu Province, Yuhuatai District of Nanjing City, especially small Jia Ao No. 3 Patentee before: Nanjing High Precision Gear Group Co., Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200507 Address after: No. 79 Jianheng Road, Jiangning District, Nanjing City, Jiangsu Province, 210000 Patentee after: NANJING HIGH-SPEED & ACCURATE GEAR GROUP Co.,Ltd. Address before: 211103 No. 79 Jianheng Road, Jiangning District, Nanjing City, Jiangsu Province Co-patentee before: Nanjing High Precision Transmission Equipment Manufacturing Group Co., Ltd. Patentee before: NANJING HIGH-SPEED & ACCURATE GEAR GROUP Co.,Ltd. |