CN104061312A - Chain wheel and manufacturing technique thereof - Google Patents
Chain wheel and manufacturing technique thereof Download PDFInfo
- Publication number
- CN104061312A CN104061312A CN201410264343.9A CN201410264343A CN104061312A CN 104061312 A CN104061312 A CN 104061312A CN 201410264343 A CN201410264343 A CN 201410264343A CN 104061312 A CN104061312 A CN 104061312A
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- wheel body
- half wheel
- right half
- opening
- shaft
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/30—Chain-wheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/14—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass gear parts, e.g. gear wheels
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gears, Cams (AREA)
Abstract
The invention provides a chain wheel and a manufacturing technique thereof and belongs to the technical field of machinery. The problems of integrate casting, heavy weight and high cost of the present chain wheel are solved. The chain wheel comprises a left half wheel body and a right half wheel body; the left half wheel body and the right half wheel body are respectively arranged as a shell with an opening in one side, a connecting surface on the other side and a cavity in the middle; the connecting surfaces of the left half wheel body and the right half wheel body are oppositely arranged; the left half wheel body and the right half wheel body are fixed with each other; an annular slot for storing a chain is formed between the connecting surfaces of the left half wheel body and the right half wheel body. The chain wheel and the manufacturing technique thereof have the advantages of light weight, quick forming, less material consumption, low manufacturing cost, and the like.
Description
Technical field
The invention belongs to field of mechanical technique, relate to a kind of sprocket wheel, relate in particular to a kind of sprocket wheel and preparation process thereof.
Background technique
Sprocket wheel is the important driving part in logistics transportation industry, the chain tensioner while being common in for restraint of loads or the chain block of hoisting heavy.No matter to be applied to chain tensioner that restraint of loads uses or the chain block of hoisting heavy, its structure and use principle are all the same, on the excircle of sprocket wheel, all there is circular groove, this circular groove is for matching with the chain pulling, the inner circumference of sprocket wheel is connecting live axle, in use, operator is by pulling around the chain in the circular groove of sprocket wheel to carry out rotating sprocket and drive drive shaft turns, thereby realizes the lifting heavy function of chain block or realize chain tensioner tension or loosen the function of chain.
In existing market, that the sprocket body being applied on chain tensioner or chain block is all integral structure substantially, adopt during fabrication casting technique moulding, sprocket body after moulding is solid, therefore sprocket wheel total quality is heavier, and the material of the required consumption of this molding mode is many, so also just caused its needed cost of production also higher.Certainly, now also occurred that a part of sprocket body is split-type structural, it is decomposed into left and right two and half wheel bodys by sprocket body, by forging type, distinguish left and right two and half wheel bodys of moulding, then live axle is passed to left and right two and half wheel bodys, with bolt, left and right two and half wheel bodys are interfixed.But, because remaining, left and right two and half wheel bodys adopt casting, therefore still there is the problems such as sprocket wheel total quality is heavy, consumptive material is many, fabricating cost is high.
Summary of the invention
The object of the invention is the problems referred to above that exist for prior art, proposed that a kind of quality is lighter, consumptive material sprocket wheel still less.
Another object of the present invention be propose a kind of easy to make, quick, and the preparation process of the high sprocket wheel of shaping efficiency.
Object of the present invention can realize by following technical proposal: a kind of sprocket wheel, comprise left half wheel body and right half wheel body, it is characterized in that, a described left side half wheel body and right half wheel body are a side opening, opposite side has junction surface and centre is the housing of a cavity, a described left side half wheel body and the junction surface of right half wheel body are over against setting, and described left half wheel body and right half wheel body fix and be formed for placing between both junction surfaces the circular groove of chain.
This sprocket wheel is when assembling, first left half wheel body and right half wheel body junction surface are separately oppositely arranged, then left half wheel body and right half wheel body are fixed, between a left side half wheel body after fixing and right half wheel body junction surface separately, can form circular groove, in use, chain is positioned in circular groove.
Due to left half wheel body and right half wheel body is a side opening, opposite side has junction surface and centre is the housing of a cavity, therefore the sprocket wheel being spliced by left half wheel body and right half wheel body is not solid, so the quality of sprocket wheel material lighter, used still less.
In above-mentioned sprocket wheel, described a left side half wheel body and right half wheel body all adopt impact briquetting.Utilize impact style left half wheel body of moulding and right half wheel body respectively, shaping speed is faster, and efficiency is higher, and convenient.
In above-mentioned sprocket wheel, between a described left side half wheel body and right half wheel body, be equipped with the wheel shaft that is hollow shape, described a left side half wheel body and right half wheel body fix with wheel shaft respectively.Employing is the wheel shaft of hollow shape, can further alleviate the overall weight of sprocket wheel.
In above-mentioned sprocket wheel, a described left side half wheel body and right half wheel body opening are separately respectively equipped with end cap, the two ends of described wheel shaft are respectively through above-mentioned two end caps, the end cap of the described opening that is positioned at left half wheel body is welded and fixed mutually with a side inwall and the wheel shaft of the opening of left half wheel body respectively, described in be positioned at the opening of right half wheel body end cap be welded and fixed mutually with a side inwall and the wheel shaft of the opening of right half wheel body respectively.
At left half wheel body and right half wheel body opening separately, end cap is set respectively, and residing half wheel body and wheel shaft are welded and fixed mutually respectively with separately by two end caps, so left half wheel body just fixes by end cap and the wheel shaft of its opening, right half wheel body also fixes by the end cap in its cavity and wheel shaft, between left like this half wheel body, right half wheel body and wheel shaft, just can rotate simultaneously.
In above-mentioned sprocket wheel, described end cap is tabular, and the opening shape of half wheel body at described end cover surface and its place matches, and described end cap one side has flanging, and the sidewall of described flanging reclines mutually with the madial wall of the cavity of residing half wheel body of this end cap.The flanging of end cap one side reclines mutually with the madial wall of the cavity of residing half wheel body of this end cap, is actually and has played certain leading role and positioning action.
In above-mentioned sprocket wheel, described end cap adopts impact briquetting.End cap also adopts impact briquetting, makes convenient, fast, and the material consuming and cost are also still less.
As another kind of scheme, in above-mentioned punching type sprocket wheel, described left half wheel body and right half wheel body separately a side of opening are equipped with gear, the two ends of described wheel shaft are respectively through above-mentioned two gears, the described gear that is positioned at left half wheel body place is welded and fixed mutually with a side outer wall and the wheel shaft of left half wheel body opening respectively, described in be positioned at right half wheel body place gear be welded and fixed mutually with a side outer wall and the wheel shaft of right half wheel body opening respectively.
Adopting gear and adopt the means of fixation of end cap identical, is all that gear is welded and fixed mutually with half wheel body and the wheel shaft at place respectively, thereby make left half wheel body and right half wheel body interfix to realize simultaneously with wheel shaft respectively, rotates.Certainly, adopt gear or end cap to be selected as required by user.
A preparation process for sprocket wheel, comprises the steps:
A, get the raw materials ready: prepare two sheet metals and wheel shaft;
B, punching press: two sheet metals are positioned over respectively to press tool place, by common punching equipment, two sheet metals are carried out respectively to punching press, common punching equipment by two sheet metals respectively punching press form left half wheel body and shape is partly taken turns on the right side;
C, wear axle: the center by wheel shaft through above-mentioned left half wheel body and right half wheel body, and wheel shaft is fixed with left half wheel body and right half wheel body respectively, wear the circular groove that is formed for placing chain between a left side half wheel body after axle and right half wheel body.
During making, sheet metal is positioned in press tool, then utilizes common punching equipment to carry out punching press to sheet metal, sheet metal forms with press tool matches and partly takes turns shape.Two sheet metals strike out respectively after half wheel shape, then wheel shaft are passed to the center of two and half wheel bodys, finally two and half wheel bodys are fixed with wheel shaft respectively, and between two and half wheel bodys, will be formed for placing the circular groove of chain.Adopt the sprocket wheel of this preparation process moulding to utilize sheet metal is carried out to punching press to form two and half wheel bodys and again two and half wheel bodys are spliced, so moulding is faster, efficiency is higher, only needs two sheet metals simultaneously, therefore also material saving more.
In the preparation process of above-mentioned sprocket wheel, a described left side half wheel body and right half wheel body are a side opening, opposite side has junction surface and centre is the housing of cavity, in described step C, left half wheel body and right half wheel body are worn after axle, respectively at the sheathed end cap in the two ends of wheel shaft, and by two end caps, weld mutually with a side inwall of wheel shaft and each self-corresponding half wheel body opening respectively.
At left half wheel body and right half wheel body opening separately, end cap is set respectively, and residing half wheel body and wheel shaft are welded and fixed mutually respectively with separately by two end caps, so left half wheel body just fixes by the end cap in its cavity and wheel shaft, right half wheel body also fixes by the end cap in its cavity and wheel shaft, between left like this half wheel body, right half wheel body and wheel shaft, just can rotate simultaneously.
As another kind of scheme, in the preparation process of above-mentioned sprocket wheel, a described left side half wheel body and right half wheel body are a side opening, opposite side has junction surface and centre is the housing of cavity, in described step C, left half wheel body and right half wheel body are worn after axle, respectively at the sheathed gear in the two ends of wheel shaft, and by two gears, weld mutually with a side outer wall of wheel shaft and each self-corresponding half wheel body opening respectively.
Adopting gear and adopt the means of fixation of end cap identical, is all that gear is welded and fixed mutually with half wheel body and the wheel shaft at place respectively, thereby make left half wheel body and right half wheel body interfix to realize simultaneously with wheel shaft respectively, rotates.Certainly, adopt gear or end cap to be selected as required by user.
Compared with prior art, this sprocket wheel and preparation process thereof adopt punching press to form respectively left half wheel body and right half wheel body, easy to make, quick, and shaping efficiency is high; In addition, because left half wheel body and right half wheel body are all by metallic plate punching moulding, a left side half wheel body after moulding and right half wheel body be all be again a side opening, a side has junction surface and centre is the housing of cavity, be that left half wheel body and right half wheel body are all hollow, the material that sprocket wheel total quality after assembling is lighter, consume while making still less, simultaneously required fabricating cost is also lower, therefore use value is higher, when reducing enterprise's cost of production, can improve the economic benefit of enterprise again.
Accompanying drawing explanation
Fig. 1 is the embodiment's one of this sprocket wheel structural representation.
Fig. 2 is the embodiment's one of this sprocket wheel sectional view.
Fig. 3 is the structural representation of left half wheel body or right half wheel body in the embodiment one of this sprocket wheel.
Fig. 4 is the embodiment's two of this sprocket wheel structural representation.
Fig. 5 is the embodiment's two of this sprocket wheel sectional view.
In figure, 1, left half wheel body; 2, right half wheel body; 3, wheel shaft; 4, junction surface; 5, cavity; 6, circular groove; 7, end cap; 8, flanging; 9, gear.
Embodiment
Be below specific embodiments of the invention by reference to the accompanying drawings, technological scheme of the present invention is further described, but the present invention be not limited to these embodiments.
Embodiment one
As shown in Figure 1-Figure 3, a kind of sprocket wheel, comprise left half wheel body 1, right half wheel body 2 and wheel shaft 3, wheel shaft 3 is hollow shape, left half wheel body 1 and right half wheel body 2 all adopt impact briquetting, the shape size of left half wheel body 1 and right half wheel body 2 all identical and be a side opening, opposite side has junction surface 4 and centre is the housing of a cavity 5.
As depicted in figs. 1 and 2, when assembling, by left half wheel body 1 and right half wheel body 2 junction surface 4 separately, over against setting, wheel shaft 3, through the center of left half wheel body 1 and right half wheel body 2, is worn the circular groove 6 that is formed for placing chain between axle rear left half wheel body 1 and right half wheel body 2 junction surface 4 separately.
Then at left half wheel body 1 and right half wheel body 2 opening separately, end cap 7 is set, two end caps 7 will be passed respectively in the two ends of wheel shaft 3, end cap 7 is tabular, end cap 7 is also to adopt impact briquetting, the opening shape of shape half wheel body residing with it on end cap 7 surfaces matches, one side of end cap 7 has flanging 8, and the outer side wall of flanging 8 reclines mutually with the madial wall of the cavity 5 of residing half wheel body of this end cap 7.The end cap 7 that is positioned at the opening of left half wheel body 1 is welded and fixed mutually with cavity 5 madial walls and the wheel shaft 3 of left half wheel body 1 respectively, the end cap 7 that is positioned at the opening of right half wheel body 2 is welded and fixed mutually with cavity 5 madial walls and the wheel shaft 3 of right half wheel body 2 respectively, due to two end caps 7, half wheel body and the wheel shaft 3 at place fix respectively with separately, therefore by the effect of end cap 7 separately, left half wheel body 1 is fixed with wheel shaft 3 respectively with right half wheel body 2, so just can guarantee can realize synchronous rotation between left half wheel body 1, right half wheel body 2 and wheel shaft 3 threes.
The preparation process of this sprocket wheel, comprises the steps:
A, get the raw materials ready: prepare two sheet metals and be the wheel shaft 3 of hollow shape;
B, punching press: two sheet metals are positioned over respectively to press tool place, by common punching equipment, two sheet metals are carried out respectively to punching press, common punching equipment by two sheet metals respectively a step punching press form left half wheel body 1 and right half wheel body 2 shapes, left half wheel body 1 and right half wheel body 2 be a side have uncovered 4, opposite side has junction surface 4 and centre is the housing of a cavity 5;
C, wear axle: left half wheel body 1 and right half wheel body 2 junction surface 4 are separately oppositely arranged, then wheel shaft 3 is passed to the center of left half wheel body 1 and right half wheel body 2, at left half wheel body 1 and right half wheel body 2 opening separately, end cap 7 is set respectively, and the two ends of wheel shaft 3 are respectively through these two end caps 7, and the end cap 7 that is positioned at the opening of left half wheel body 1 is welded mutually with inwall and the wheel shaft 3 of left half wheel body 1 opening one side respectively, and the end cap 7 that is positioned at the opening of right half wheel body 2 is welded mutually with inwall and the wheel shaft 3 of right half wheel body 1 opening one side respectively, after wearing axle, between left half wheel body 1 and right half wheel body 2 junction surface 4 separately, can be formed for placing the circular groove 6 of chain.
The preparation process of this sprocket wheel is owing to adopting impact style left half wheel body 1 of moulding and right half wheel body 2 respectively, therefore easy to make, speed is fast, thereby improved the global formation efficiency of sprocket wheel, and because left half wheel body 1 and right half wheel body 2 all adopt sheet metal, a left side half wheel body 1 and right half wheel body 2 after impact briquetting are all again side openings, opposite side has junction surface 4 and centre is the housing of cavity 5, be that left half wheel body 1 and right half wheel body 2 are not solid, therefore by left half wheel body 1, right half wheel body 2 and wheel shaft 3 are combined into after sprocket wheel, the quality of whole sprocket wheel can be lighter, the raw material that consume still less, this also just makes the fabricating cost of this sprocket wheel can be lower.
Embodiment two
As shown in Figure 4 and Figure 5, a kind of sprocket wheel, comprise left half wheel body 1, right half wheel body 2 and wheel shaft 3, wheel shaft 3 is hollow shape, left half wheel body 1 and right half wheel body 2 all adopt impact briquetting, the shape size of left half wheel body 1 and right half wheel body 2 all identical and be a side opening, opposite side has junction surface 4 and centre is the housing of a cavity 5.
When assembling, left half wheel body 1 and right half wheel body 2 junction surface 4 are separately oppositely arranged, wheel shaft 3, through the center of left half wheel body 1 and right half wheel body 2, is worn the circular groove 6 that is formed for placing chain between axle rear left half wheel body 1 and right half wheel body 2 junction surface 4 separately.
Then left half wheel body 1 and right half wheel body 2 separately a side of opening gear 8 is set, two gears 8 will be passed respectively in the two ends of wheel shaft 3, the gear 8 that is positioned at left half wheel body 1 place is welded and fixed mutually with a side outer wall and the wheel shaft 3 of left half wheel body 1 opening respectively, and the gear 8 that is positioned at right half wheel body 2 places is welded and fixed mutually with a side outer wall and the wheel shaft 3 of right half wheel body 2 openings respectively.
The preparation process of this sprocket wheel, comprises the steps:
A, get the raw materials ready: prepare two sheet metals and be the wheel shaft 3 of hollow shape;
B, punching press: two sheet metals are positioned over respectively to press tool place, by common punching equipment, two sheet metals are carried out respectively to punching press, common punching equipment by two sheet metals respectively a step punching press form left half wheel body 1 and right half wheel body 2 shapes, left half wheel body 1 and right half wheel body 2 are a side opening, opposite side has junction surface 4 and centre is the housing of a cavity 5;
C, wear axle: left half wheel body 1 and right half wheel body 2 junction surface 4 are separately oppositely arranged, then wheel shaft 3 is passed to the center of left half wheel body 1 and right half wheel body 2, at left half wheel body 1 and the right half wheel body 2 side sheathed gear 9 respectively of opening separately, the two ends of wheel shaft 3 are respectively through these two gears 9, the gear 8 that is sheathed on left half wheel body 1 opening one side is welded mutually with a side outer wall and the wheel shaft 3 of left half wheel body 1 opening respectively, and then the gear 8 that is sheathed on right half wheel body 2 opening one sides is welded mutually with a side outer wall and the wheel shaft 3 of right half wheel body 2 openings respectively, after wearing axle, between left half wheel body 1 and right half wheel body 2 junction surface 4 separately, can be formed for placing the circular groove 6 of chain.Adopt gear 9 and in embodiment one, adopt the fixation principle of end cap 7 identical, just having facilitated confession user to select to arrange end cap 7 according to actual service condition gear 9 is still set.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various modifications or supplement or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Claims (10)
1. a sprocket wheel, comprise left half wheel body (1) and right half wheel body (2), it is characterized in that, a described left side half wheel body (1) is a side opening with right half wheel body (2), opposite side has junction surface (4) and centre is the housing of a cavity (5), a described left side half wheel body (1) and the junction surface (4) of right half wheel body (2) are over against setting, and described left half wheel body (1) and right half wheel body (2) fix and be formed for placing between both junction surfaces (4) circular groove (6) of chain.
2. sprocket wheel according to claim 1, is characterized in that, described a left side half wheel body (1) and right half wheel body (2) all adopt impact briquetting.
3. sprocket wheel according to claim 1, it is characterized in that, between a described left side half wheel body (1) and right half wheel body (2), be equipped with the wheel shaft (3) that is hollow shape, a described left side half wheel body (1) and right half wheel body (2) fix with wheel shaft (3) respectively.
4. according to the sprocket wheel described in claim 1 or 2 or 3, it is characterized in that, a described left side half wheel body (1) and right half wheel body (2) opening are separately respectively equipped with end cap (7), the two ends of described wheel shaft (3) are respectively through above-mentioned two end caps (7), the end cap (7) of the described opening that is positioned at left half wheel body (1) is welded and fixed mutually with a side inwall and the wheel shaft (3) of the opening of left half wheel body (1) respectively, described in be positioned at the opening of right half wheel body (2) end cap (7) be welded and fixed mutually with a side inwall and the wheel shaft (3) of the opening of right half wheel body (2) respectively.
5. sprocket wheel according to claim 4, it is characterized in that, described end cap (7) surface matches with the opening shape of half wheel body at its place, described end cap (7) one sides have flanging (8), and the sidewall of described flanging (8) reclines mutually with the madial wall of the cavity (5) of residing half wheel body of this end cap (7).
6. sprocket wheel according to claim 5, is characterized in that, described end cap (7) adopts impact briquetting.
7. according to the sprocket wheel described in claim 1 or 2 or 3, it is characterized in that, a described left side half wheel body (1) and right half wheel body (2) separately a side of opening are equipped with gear (9), the two ends of described wheel shaft (3) are respectively through above-mentioned two gears (9), describedly be positioned at the gear (9) that left half wheel body (1) locates and be welded and fixed mutually with a side outer wall and the wheel shaft (3) of left half wheel body (1) opening respectively, described in be positioned at the gear (9) that right half wheel body (2) locates and be welded and fixed mutually with a side outer wall and the wheel shaft (3) of right half wheel body (2) opening respectively.
8. a preparation process for sprocket wheel, is characterized in that, comprises the steps:
A, get the raw materials ready: prepare two sheet metals and wheel shaft (3);
B, punching press: two sheet metals are positioned over respectively to press tool place, by common punching equipment, two sheet metals are carried out respectively to punching press, common punching equipment by two sheet metals respectively punching press form left half wheel body (1) and right half wheel body (2) shape;
C, wear axle: the center by wheel shaft (3) through above-mentioned left half wheel body (1) and right half wheel body (2), and wheel shaft (3) is fixed with left half wheel body (1) and right half wheel body (2) respectively, wear the circular groove (6) that is formed for placing chain between a left side half wheel body (1) after axle and right half wheel body (2).
9. the preparation process of sprocket wheel according to claim 8, it is characterized in that, a described left side half wheel body (1) and right half wheel body (2) are a side opening, opposite side has junction surface (4) and centre is the housing of a cavity (5), in described step C, left half wheel body (1) and right half wheel body (2) are worn after axle, respectively at the sheathed end caps in the two ends of wheel shaft (3) (7), and by two end caps (7), weld mutually with a side inwall of wheel shaft (3) and each self-corresponding half wheel body opening respectively.
10. the preparation process of sprocket wheel according to claim 8, it is characterized in that, a described left side half wheel body (1) and right half wheel body (2) are a side opening, opposite side has junction surface (4) and centre is the housing of a cavity (5), in described step C, left half wheel body (1) and right half wheel body (2) are worn after axle, respectively at the sheathed end caps in the two ends of wheel shaft (3) (7), and by two end caps (7), weld mutually with a side outer wall of wheel shaft (3) and each self-corresponding half wheel body opening respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410264343.9A CN104061312B (en) | 2014-06-13 | 2014-06-13 | Chain wheel and manufacturing technique thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410264343.9A CN104061312B (en) | 2014-06-13 | 2014-06-13 | Chain wheel and manufacturing technique thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104061312A true CN104061312A (en) | 2014-09-24 |
| CN104061312B CN104061312B (en) | 2017-01-25 |
Family
ID=51549172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410264343.9A Active CN104061312B (en) | 2014-06-13 | 2014-06-13 | Chain wheel and manufacturing technique thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104061312B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105909764A (en) * | 2016-06-30 | 2016-08-31 | 青岛理工大学 | Powder damping vibration-reducing and noise-lowering chain wheel structure with viscous-elastic material embedded and method |
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| NL7116662A (en) * | 1970-12-04 | 1972-06-06 | Simpson Ltd Lawrence | |
| US3933023A (en) * | 1974-03-01 | 1976-01-20 | Hitachi, Ltd. | Method for manufacturing a unit piece of a V pulley |
| US3961406A (en) * | 1973-03-30 | 1976-06-08 | C. L. Frost & Son, Inc. | Method of pulley construction |
| FR2404780A1 (en) * | 1977-09-29 | 1979-04-27 | Boisseau Rene | Silent action chain transmission - has rings of flexible material on sprocket to seat chain link plates |
| CN2361912Y (en) * | 1998-12-10 | 2000-02-02 | 黄友生 | Expansion door pulley |
| CN1670403A (en) * | 2004-03-19 | 2005-09-21 | 博格华纳公司 | Spline phased multiple sprocket |
| CN202783850U (en) * | 2012-07-27 | 2013-03-13 | 浙江双友物流器械股份有限公司 | Driving mechanism for hand-cranking chain tensioner |
| CN202955201U (en) * | 2012-10-25 | 2013-05-29 | 安徽省巢湖市中信建材机械有限公司 | Combined type chain wheel |
| CN204061812U (en) * | 2014-06-13 | 2014-12-31 | 浙江双友物流器械股份有限公司 | A kind of sprocket wheel |
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2014
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Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7116662A (en) * | 1970-12-04 | 1972-06-06 | Simpson Ltd Lawrence | |
| US3961406A (en) * | 1973-03-30 | 1976-06-08 | C. L. Frost & Son, Inc. | Method of pulley construction |
| US3933023A (en) * | 1974-03-01 | 1976-01-20 | Hitachi, Ltd. | Method for manufacturing a unit piece of a V pulley |
| FR2404780A1 (en) * | 1977-09-29 | 1979-04-27 | Boisseau Rene | Silent action chain transmission - has rings of flexible material on sprocket to seat chain link plates |
| CN2361912Y (en) * | 1998-12-10 | 2000-02-02 | 黄友生 | Expansion door pulley |
| CN1670403A (en) * | 2004-03-19 | 2005-09-21 | 博格华纳公司 | Spline phased multiple sprocket |
| CN202783850U (en) * | 2012-07-27 | 2013-03-13 | 浙江双友物流器械股份有限公司 | Driving mechanism for hand-cranking chain tensioner |
| CN202955201U (en) * | 2012-10-25 | 2013-05-29 | 安徽省巢湖市中信建材机械有限公司 | Combined type chain wheel |
| CN204061812U (en) * | 2014-06-13 | 2014-12-31 | 浙江双友物流器械股份有限公司 | A kind of sprocket wheel |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105909764A (en) * | 2016-06-30 | 2016-08-31 | 青岛理工大学 | Powder damping vibration-reducing and noise-lowering chain wheel structure with viscous-elastic material embedded and method |
| CN105909764B (en) * | 2016-06-30 | 2018-01-02 | 青岛理工大学 | The powder damping vibration and noise reducing chain sprocket structure and method of embedded viscoelastic material |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104061312B (en) | 2017-01-25 |
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