CN204114012U - The cylindrical gear drive of singe screw adjustment backlash - Google Patents
The cylindrical gear drive of singe screw adjustment backlash Download PDFInfo
- Publication number
- CN204114012U CN204114012U CN201420603564.XU CN201420603564U CN204114012U CN 204114012 U CN204114012 U CN 204114012U CN 201420603564 U CN201420603564 U CN 201420603564U CN 204114012 U CN204114012 U CN 204114012U
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- gear
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- driving gear
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- 238000003756 stirring Methods 0.000 claims abstract description 35
- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 238000009827 uniform distribution Methods 0.000 claims abstract description 4
- 230000007306 turnover Effects 0.000 abstract description 3
- 238000003754 machining Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Gears, Cams (AREA)
- Gear Transmission (AREA)
Abstract
The utility model discloses the cylindrical gear drive of a kind of singe screw adjustment backlash, comprise the first transmission shaft, second driving shaft, first driving gear and the second driving gear, first driving gear is meshed with the second driving gear transmission, first driving gear is integral type structure, second driving gear is made up of side by side gear A and gear B, gear A is installed on second driving shaft, and axial one end end face of gear A is coaxially extended with a cylindrical boss, gear B is set on described cylindrical boss, between gear A and gear B, axial restraint has many housing screws, between gear A and gear B, also being axially equipped with one stirs pin, and stir pin and many housing screws central axis circumference uniform distribution around gear A, adopt said structure, people regulate to drive by screw rod and stir the center axis thereof of pin around second driving shaft, thus impel gear B opposed gear A to turn over a miniature angle, and then the adjustment realized gear teeth backlash.
Description
Technical field
The utility model relates to a kind of gear drive, is specifically related to a kind of cylindrical gear drive by single screw rod adjustment backlash.
Background technique
At present, a lot of machining equipment is all provided with gear drive, namely power transmission is realized by two pitch wheels, but because the wearing and tearing in processing, the existence of alignment error and gear running all can cause the increase of gear teeth backlash, thus greatly affect the transmission accuracy of engaging gear, and then affect machining accuracy and the quality of processing of whole equipment.
Summary of the invention
For the deficiencies in the prior art, the utility model provide a kind of by single screw rod to adjust the cylindrical gear drive of gear teeth backlash, by the adjustment to gear teeth backlash, thus effectively improve the transmission accuracy of engaging gear.
For achieving the above object, the utility model provides the cylindrical gear drive of a kind of singe screw adjustment backlash, comprise the first transmission shaft, second driving shaft, first driving gear and the second driving gear, first driving gear is loaded on the first transmission shaft, second driving gear is loaded on second driving shaft, the transmission and the first driving gear is meshed with the second driving gear, the first described driving gear is integral type structure, the second described driving gear is made up of side by side gear A and gear B, gear A is installed on second driving shaft, and axial one end end face of gear A is coaxially extended with a cylindrical boss, described gear B is set on described cylindrical boss, between gear A and gear B, axial restraint has many housing screws, between gear A and gear B, also being axially equipped with one stirs pin, and described in stir pin and many housing screws central axis circumference uniform distribution around gear A, described pin of stirring is connected and composed by a bigger diameter end and a miner diameter end, the described miner diameter end stirring pin is arranged in gear B, the described bigger diameter end stirring pin is arranged in gear A, and described in stir the end face that pin miner diameter end connects with bigger diameter end and press on gear B towards on the end face of gear A, described pin miner diameter end of stirring is passed end outside gear B and is fixed on by nut check on the end face of gear B gear A dorsad, describedly stir groove end that pin bigger diameter end penetrates in gear A offering a radial direction and run through, a screw rod is equipped with in described groove, the axial two ends symmetry of described screw rod stretches out to be provided with and people can be supplied to regulate the adjusting head of rotation, and formed between two adjusting heads stirring gripping of pin bigger diameter end end outer surface.
The beneficial effects of the utility model are: adopt said structure, because the first driving gear described in the utility model is integral type structure, the second described driving gear is made up of side by side gear A and gear B, and gear A is fixed relative to second driving shaft, gear B is set on the cylindrical boss of gear A, between gear A and gear B, axial restraint has many housing screws, between gear A and gear B, also being axially equipped with one stirs pin, therefore when the backlash of the first driving gear and the second driving gear increases, regulate to drive by screw rod and stir the center axis thereof of pin around second driving shaft, thus impel gear B opposed gear A to turn over a miniature angle, realize the adjustment to gear teeth backlash, after adjustment, tighten housing screw, make gear A and gear B be again fixed together with rotate.In sum, by the adjustment to gear teeth backlash, greatly can improve the transmission accuracy between the first driving gear and the second driving gear, thus greatly promote machining accuracy and the quality of processing of whole equipment.Separately, the utility model had both been applicable to the adjustment of spur gear transmission backlash, was also applicable to the adjustment of cylindrical helical gear drive backlash.
The utility model can be set to described housing screw is also set with a spring further, described gear A its screw hole matched with housing screw corresponding offers one on its end face towards gear B can the reaming of accommodating described spring, one end of described spring abuts with the bottom surface of described reaming, and the other end of described spring presses on gear B towards on the end face of gear A.
Adopt said structure, the setting of described spring, the end face that can effectively avoid gear A to connect with gear B is close together, thus gear B relatively rotating in gear A when being conducive to regulating.
The cylindrical boss that the utility model also can be set to described gear A further is also axially outward extended with a conical boss, in described gear B, correspondence is provided with the elastic cone cover that can become be socketed with described conical boss shape, described elastic cone put offer that multiple radial direction runs through run through groove, and described in run through groove axial outer end end extend on the outer end end face of elastic cone cover, described in run through groove axial inner ends end be circular arc setting.
Adopt said structure, the correspondence of described conical boss and elastic cone cover is arranged, and gear B can be made to be loaded in gear A more securely, thus effectively avoids regulating backgear B and gear A to occur axial play.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is the stereogram of the utility model middle gear B;
Fig. 4 is the stereogram stirring pin and screw rod cooperation in the utility model.
Embodiment
As Fig. 1, 2, 3, the cylindrical gear drive of a kind of singe screw adjustment backlash is given shown in 4, comprise the first transmission shaft 1, second driving shaft 2, first driving gear 3 and the second driving gear 4, first driving gear 3 is loaded on the first transmission shaft 1, second driving gear 4 is loaded on second driving shaft 2, the transmission and the first driving gear 3 is meshed with the second driving gear 4, the first described driving gear 3 is integral type structure, the second described driving gear 4 is made up of side by side gear A 41 and gear B 42, gear A 41 is installed on second driving shaft 2, and axial one end end face of gear A 41 is coaxially extended with a cylindrical boss 43, described gear B 42 is set on described cylindrical boss 43, between gear A 41 and gear B 42, axial restraint has many housing screws 5, between gear A 41 and gear B 42, also being axially equipped with one stirs pin 6, and described in stir pin 6 and the central axis circumference uniform distribution of many housing screws 5 around gear A 41, described pin 6 of stirring is connected and composed by a bigger diameter end 61 and a miner diameter end 62, the described miner diameter end 61 stirring pin 6 is arranged in gear B 42, the described bigger diameter end 61 stirring pin 6 is arranged in gear A 41, and described in stir the end face 63 that pin miner diameter end 62 connects with bigger diameter end 61 and press on gear B 42 towards on the end face of gear A 41, described pin miner diameter end 62 of stirring passes end outside gear B 42 and is locked on the end face of gear B 42 gear A 41 dorsad by nut 7, describedly stir the groove 611 end that pin bigger diameter end 61 penetrates in gear A 41 offering a radial direction and run through, a screw rod 8 is equipped with in described groove 611, the axial two ends symmetry of described screw rod 8 stretches out to be provided with and people can be supplied to regulate the adjusting head 81 of rotation, and formed stirring gripping of pin bigger diameter end 61 end outer surface between two adjusting heads 81.
Adopt said structure, because the first driving gear 3 described in the utility model is integral type structure, the second described driving gear 4 is made up of side by side gear A 41 and gear B 42, and gear A 41 is fixed relative to second driving shaft 2, gear B 42 is set on the cylindrical boss 43 of gear A 41, between gear A 41 and gear B 42, axial restraint has many housing screws 5, between gear A 41 and gear B 42, also being axially equipped with one stirs pin 6, therefore when the backlash of the first driving gear 3 and the second driving gear 4 increases, regulate to drive by screw rod 8 and stir the center axis thereof of pin 6 around second driving shaft 2, thus impel gear B 42 opposed gear A 41 to turn over a miniature angle, realize the adjustment to gear teeth backlash, after adjustment, tighten housing screw 5, make gear A 41 be again fixed with gear B 42 together with rotate.In sum, by the adjustment to gear teeth backlash, greatly can improve the transmission accuracy between the first driving gear 3 and the second driving gear 4, thus greatly promote machining accuracy and the quality of processing of whole equipment.Separately, the utility model had both been applicable to the adjustment of spur gear transmission backlash, was also applicable to the adjustment of cylindrical helical gear drive backlash.
Described housing screw 5 is also set with a spring 9, described gear A 41 its screw hole 411 matched with housing screw 5 corresponding offers one on its end face towards gear B 42 can the reaming 412 of accommodating described spring 9, one end of described spring 9 abuts with the bottom surface of described reaming 412, and the other end of described spring 9 presses on gear B 42 towards on the end face of gear A 41.Therefore adopt said structure, the setting of described spring 9, the end face can effectively avoiding gear A 41 to connect with gear B 42 is close together, thus gear B 42 relatively rotating in gear A 41 when being conducive to regulating.
The cylindrical boss 43 of described gear A 41 is also axially outward extended with a conical boss 44, in described gear B 42, corresponding being provided with can form with described conical boss 44 elastic cone be socketed and overlap 45, what described elastic cone cover 45 offers multiple radial direction runs through runs through groove 46, and described in run through groove 46 axial outer end end 461 extend on the outer end end face 451 of elastic cone cover 45, described in run through groove 46 axial inner ends end 462 arrange in circular arc.Therefore adopt said structure, the correspondence of described conical boss 44 and elastic cone cover 45 is arranged, and gear B 42 can be made to be loaded on more securely in gear A 41, effectively avoids regulating backgear B 42 and gear A 41 to occur axial play.
Claims (3)
1. the cylindrical gear drive of a singe screw adjustment backlash, comprise the first transmission shaft, second driving shaft, first driving gear and the second driving gear, first driving gear is loaded on the first transmission shaft, second driving gear is loaded on second driving shaft, the transmission and the first driving gear is meshed with the second driving gear, it is characterized in that: the first described driving gear is integral type structure, the second described driving gear is made up of side by side gear A and gear B, gear A is installed on second driving shaft, and axial one end end face of gear A is coaxially extended with a cylindrical boss, described gear B is set on described cylindrical boss, between gear A and gear B, axial restraint has many housing screws, between gear A and gear B, also being axially equipped with one stirs pin, and described in stir pin and many housing screws central axis circumference uniform distribution around gear A, described pin of stirring is connected and composed by a bigger diameter end and a miner diameter end, the described miner diameter end stirring pin is arranged in gear B, the described bigger diameter end stirring pin is arranged in gear A, and described in stir the end face that pin miner diameter end connects with bigger diameter end and press on gear B towards on the end face of gear A, described pin miner diameter end of stirring is passed end outside gear B and is fixed on by nut check on the end face of gear B gear A dorsad, describedly stir groove end that pin bigger diameter end penetrates in gear A offering a radial direction and run through, a screw rod is equipped with in described groove, the axial two ends symmetry of described screw rod stretches out to be provided with and people can be supplied to regulate the adjusting head of rotation, and formed between two adjusting heads stirring gripping of pin bigger diameter end end outer surface.
2. the cylindrical gear drive of a kind of singe screw adjustment backlash according to claim 1, it is characterized in that: described housing screw is also set with a spring, described gear A its screw hole matched with housing screw corresponding offers one on its end face towards gear B can the reaming of accommodating described spring, one end of described spring abuts with the bottom surface of described reaming, and the other end of described spring presses on gear B towards on the end face of gear A.
3. the cylindrical gear drive of a kind of singe screw adjustment backlash according to claim 1, it is characterized in that: the cylindrical boss of described gear A is also axially outward extended with a conical boss, in described gear B, correspondence is provided with the elastic cone cover that can become be socketed with described conical boss shape, described elastic cone put offer that multiple radial direction runs through run through groove, and described in run through groove axial outer end end extend on the outer end end face of elastic cone cover, described in run through groove axial inner ends end be circular arc setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420603564.XU CN204114012U (en) | 2014-09-28 | 2014-09-28 | The cylindrical gear drive of singe screw adjustment backlash |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420603564.XU CN204114012U (en) | 2014-09-28 | 2014-09-28 | The cylindrical gear drive of singe screw adjustment backlash |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204114012U true CN204114012U (en) | 2015-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420603564.XU Active CN204114012U (en) | 2014-09-28 | 2014-09-28 | The cylindrical gear drive of singe screw adjustment backlash |
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| CN (1) | CN204114012U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104315084A (en) * | 2014-09-28 | 2015-01-28 | 温州职业技术学院 | Cylindrical gear transmission mechanism for adjusting tooth backlash by single screw |
-
2014
- 2014-09-28 CN CN201420603564.XU patent/CN204114012U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104315084A (en) * | 2014-09-28 | 2015-01-28 | 温州职业技术学院 | Cylindrical gear transmission mechanism for adjusting tooth backlash by single screw |
| CN104315084B (en) * | 2014-09-28 | 2017-02-08 | 温州职业技术学院 | Cylindrical gear transmission mechanism for adjusting tooth backlash by single screw |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160429 Address after: Longwan District of Wenzhou City, Zhejiang province 325000 Pu Xing Lu Puzhou Street No. 165 Patentee after: Wenzhou Taikang Fastener Co., Ltd. Address before: Dasan Ouhai District 325035 Zhejiang province Wenzhou Higher Education Park Patentee before: Wenzhou Vocational & Technical College |