CN114321282A - Space staggered spiral gear transmission mechanism - Google Patents
Space staggered spiral gear transmission mechanism Download PDFInfo
- Publication number
- CN114321282A CN114321282A CN202111598540.0A CN202111598540A CN114321282A CN 114321282 A CN114321282 A CN 114321282A CN 202111598540 A CN202111598540 A CN 202111598540A CN 114321282 A CN114321282 A CN 114321282A
- Authority
- CN
- China
- Prior art keywords
- helical gear
- bearing
- adjusting
- adjustment
- gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 57
- 230000007246 mechanism Effects 0.000 title abstract description 22
- 230000013011 mating Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
Images
Landscapes
- Gear Transmission (AREA)
- Gears, Cams (AREA)
Abstract
The invention provides a spatial staggered helical gear transmission mechanism which comprises a shell, a first helical gear, a second helical gear and an adjusting component, wherein the first helical gear and the second helical gear are arranged on the shell, the adjusting component is used for adjusting the position relation between the first helical gear and the second helical gear, and a rotating shaft of the first helical gear and a rotating shaft of the second helical gear form a 90-degree angle. The space staggered spiral gear transmission mechanism provided by the invention can be used for meshing centering adjustment of the first spiral gear and the second spiral gear through the adjusting sleeve, is simple to operate and accurate in adjustment, enables the meshing of the staggered shaft spiral gears to be more accurate, has small gaps, further enables the transmission to be stable and small in noise, and improves the product quality.
Description
Technical Field
The invention belongs to the technical field of space staggered gear transmission, and particularly relates to a space staggered spiral gear transmission mechanism.
Background
In the design of the gear transmission mechanism, in order to reduce space or change the transmission direction and the like, space staggered shaft gear transmission, such as a helical gear, a worm gear and the like, is often used. The meshing of the spiral gears with the staggered shafts is difficult to control the centering property, and the machining precision is required to be high. Too high precision makes the processing degree of difficulty big, still produces mechanical clearance easily in the assembly moreover to influence transmission effect.
Therefore, a structure capable of ensuring meshing and centering of the crossed shaft helical gears needs to be designed.
Disclosure of Invention
The invention aims to provide a transmission installation adjusting structure capable of adjusting the meshing alignment of a first spiral gear and a second spiral gear, aiming at the defect of the transmission meshing, installation and centering assembly of a staggered shaft spiral gear in the prior art.
In order to achieve the above object, the present invention provides a spatially staggered helical gear transmission mechanism, which includes a housing, a first helical gear and a second helical gear disposed on the housing, and an adjusting assembly for adjusting a positional relationship between the first helical gear and the second helical gear, wherein a rotational axis of the first helical gear and a rotational axis of the second helical gear are 90 °.
The space staggered helical gear transmission mechanism provided by the invention is also characterized in that a support cavity for restricting the rotation position of the first helical gear, a first support hole and a second support hole which are staggered with the support cavity are arranged on the shell, one side of the support cavity close to the second helical gear is provided with an engaging groove for engaging the first helical gear with the second helical gear, the first support hole is used for restricting the radial position of the second helical gear, and the second support hole is connected with the adjusting component and is used for adjusting and fixing the axial position of the second helical gear.
The space staggered spiral gear transmission mechanism is also characterized in that the adjusting assembly comprises a transmission shaft penetrating through the second spiral gear, an adjusting sleeve arranged at one end of the transmission shaft and a locking ring matched with threads on the outer side of the adjusting sleeve, wherein one end of the adjusting sleeve is provided with external threads matched with the internal threads of the second supporting hole, and the adjusting sleeve is connected with the transmission shaft through a bearing set.
The space staggered spiral gear transmission mechanism provided by the invention is also characterized in that the outer side of the other end of the adjusting sleeve is a smooth surface which is in sliding clearance fit with the first supporting hole.
The spatial staggered spiral gear transmission mechanism is also characterized in that a plurality of uniformly distributed notches are formed in the end face of the other end of the adjusting sleeve, a first bearing worm is arranged on the inner side of the adjusting sleeve, a second bearing worm is arranged at one end of the adjusting sleeve, and a plurality of first radial holes are formed in the circumferential direction on the outer circular surface of the adjusting sleeve between the first bearing worm and the second bearing worm.
The spatial staggered helical gear transmission mechanism provided by the invention is also characterized in that the locking ring comprises an internal thread matched with the external thread of the adjusting sleeve and a plurality of second radial holes arranged on the outer circumference.
The spatial staggered spiral gear transmission mechanism provided by the invention is also characterized in that the bearing set comprises a first bearing and a second bearing which are arranged at two ends of the adjusting component, the first bearing is arranged at the near end of the second spiral gear, and the second bearing is arranged at the far end of the second spiral gear.
The space staggered spiral gear transmission mechanism is also characterized in that the transmission shaft is sleeved with an adjusting ring, one end of the adjusting ring is in contact with the end face of the first bearing, and the other end of the adjusting ring is in contact with the end face of the second spiral gear.
Compared with the prior art, the invention has the beneficial effects that:
the space staggered spiral gear transmission mechanism provided by the invention can be used for meshing centering adjustment of the first spiral gear and the second spiral gear through the adjusting sleeve, is simple to operate and accurate in adjustment, enables the meshing of the staggered shaft spiral gears to be more accurate, has small gaps, further enables the transmission to be stable and small in noise, and improves the product quality.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1: the structure schematic diagram of the space staggered spiral gear transmission mechanism provided by the embodiment of the invention;
FIG. 2: the section view of the space staggered spiral gear transmission mechanism provided by the embodiment of the invention;
FIG. 3: the embodiment of the invention provides a shell shaft measuring and indicating diagram in a space staggered spiral gear transmission mechanism;
FIG. 4: the structure schematic diagram of the adjusting sleeve in the space staggered spiral gear transmission mechanism provided by the embodiment of the invention;
FIG. 5: the structural schematic diagram of the locking ring of the spatial staggered helical gear transmission mechanism provided by the embodiment of the invention,
wherein, 1: a housing; 1 a: a protrusion; 1 b: a support cavity; 1 c: a first support hole; 1 d: a first support wall; 1 e: a second support hole; 1 f: a second support wall; 2: a first helical gear; 3: a second helical gear; 4: a drive shaft; 5: locking a ring; 5 a: an internal thread; 5 b: a second radial bore; 6: an adjusting sleeve; 6 a: a notch; 6 b: a first bearing vortex; 6 c: a first radial bore; 6 d: an external thread; 6 e: a second bearing vortex; 7: an adjusting ring; 8: locking the nut; 9: and (4) bearing sets.
Detailed Description
In order to make the technical means, the original features, the achieved objects and the effects of the present invention easily understood, the transmission mechanism provided by the present invention is specifically described in the following embodiments with reference to the accompanying drawings.
In the description of the embodiments of the present invention, it should be understood that the terms "central", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only used for convenience in describing and simplifying the description of the present invention, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to a number of indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
The terms "mounted," "connected," and "coupled" are to be construed broadly and may, for example, be fixedly coupled, detachably coupled, or integrally coupled; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.
As shown in fig. 1 to 5, a spatially staggered helical gear transmission is provided, which includes a housing 1, a first helical gear 2 and a second helical gear 3 disposed on the housing 1, and an adjusting assembly for adjusting a positional relationship between the first helical gear 1 and the second helical gear 2, wherein a rotational axis of the first helical gear 2 and a rotational axis of the second helical gear 3 are 90 °. Two ends of the first spiral gear 2 are fixed on the shell 1 through bearings and constrained to rotate around the axis of the first spiral gear 2, and the upper end of the first spiral gear 2 is exposed out of the shell and is connected with other transmission gears or mechanisms. The second helical gear 3 is meshed with the first helical gear 2 to form space staggered helical gear transmission.
In some embodiments, the housing 1 is provided with a supporting cavity 1b for restricting a rotation position of the first helical gear 2, and a first supporting hole 1c and a second supporting hole 1e which are arranged alternately with the supporting cavity 1b, one side of the supporting cavity 1b close to the second helical gear 3 is provided with an engaging groove for engaging the first helical gear 2 with the second helical gear 3, the first supporting hole 1c is used for restricting a radial position of the second helical gear 3, and the second supporting hole 1e is connected with the adjusting assembly for adjusting and fixing an axial position of the second helical gear 3. The support chamber 1b is formed by a projection 1a provided upward on the housing 1, and the housing 1 is provided with a first support wall 1b and a second support wall 1f at the same time, the first support hole being provided on the first support wall 1b, and the second support hole 1e being provided on the second support wall 1 f. The axis of the first support hole 1c is orthogonal to the axis of the support chamber 1b, and the first support hole 1c and the second support hole 1e are concentric.
In some embodiments, the adjusting assembly includes a transmission shaft 4 penetrating through the second helical gear 3, an adjusting sleeve 6 disposed at one end of the transmission shaft 4, and a locking ring 5 engaged with threads on an outer side of the adjusting sleeve 6, one end of the adjusting sleeve 6 is provided with an external thread 6d engaged with an internal thread of the second supporting hole 1e, and the adjusting sleeve 6 is connected to the transmission shaft 4 through a bearing set.
In some embodiments, the outer side of the other end of the adjusting sleeve 6 is a smooth surface which is in sliding clearance fit with the first supporting hole 1 c.
In some embodiments, the end face of the other end of the adjusting sleeve 6 is provided with a plurality of uniformly distributed notches 6a, the inner side of the adjusting sleeve is provided with a first bearing worm 6b, one end of the adjusting sleeve 6 is provided with a second bearing worm 6e, and a plurality of first radial holes 6c are circumferentially arranged on the outer circular surface of the adjusting sleeve between the first bearing worm 6b and the second bearing worm 6 e. The first radial hole 6c is used to adjust the axial rotation of the adjustment sleeve 6.
In some embodiments, there are four notches 6 a.
In some embodiments, the locking ring 5 comprises an internal thread 5a for threaded engagement with the outside of the adjusting sleeve 6 and a plurality of second radial holes 5b arranged on the outer circumference. The second radial hole 5b is used to regulate the axial rotation of the locking ring 5 for locking.
In some embodiments, the bearing set 9 includes a first bearing and a second bearing disposed at two ends of the adjusting assembly, the first bearing is disposed at a proximal end of the second helical gear 3, and the second bearing is disposed at a distal end of the second helical gear 3.
In some embodiments, the transmission shaft 4 is sleeved with an adjusting ring 7, and one end of the adjusting ring 7 is in contact with the end surface of the first bearing, and the other end of the adjusting ring 7 is in contact with the end surface of the second helical gear. The other end of the transmission shaft 4 is provided with a locking nut 8 for axially clamping the second helical gear 3.
The assembly flow of the above embodiment is as follows:
bearings are respectively arranged in the first bearing vortex 6b and the second bearing vortex 6c, the transmission shaft 4 passes through the bearings and is connected with the adjusting sleeve 6, the adjusting ring 7 is sleeved on the transmission shaft 4 from one end of the transmission shaft 4, the second spiral gear 3 is arranged, the transmission shaft 4 has no clearance in the axial direction, then the second spiral gear 3 is fixed on the transmission shaft 4 through a taper pin, after one end of the transmission shaft shell 1 passes through the first supporting hole 1d, the locking ring 5 is screwed on the external thread 6d of the adjusting sleeve 6 and is screwed on one side of the external thread 6d in advance, then the external thread 6d is screwed into the second supporting hole 1e, the adjusting sleeve 6 is rotated through the notch 6a to enable the second spiral gear 3 to axially move to be meshed with the first spiral gear 2, the notch 6a is adjusted according to the flexibility of the transmission shaft 4 and the size of the transmission clearance, until the locking ring 5 is screwed on the other end of the external thread until the locking ring is contacted with the second supporting hole 1e after the transmission requirement is met, and finishing the assembly adjustment.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention. The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a crisscross helical gear drive in space, its characterized in that, drive includes the casing, sets up first helical gear and second helical gear on the casing and is used for adjusting the adjusting part of the position relation between first helical gear and the second helical gear, the axis of rotation of first helical gear with be 90 between the axis of rotation of second helical gear.
2. The spatially staggered helical gear transmission according to claim 1, wherein the housing is provided with a support cavity for constraining a rotational position of the first helical gear, and a first support hole and a second support hole which are staggered with the support cavity, wherein one side of the support cavity close to the second helical gear is provided with an engagement groove for engaging the first helical gear with the second helical gear, the first support hole is used for constraining a radial position of the second helical gear, and the second support hole is connected with the adjusting assembly for adjusting and fixing an axial position of the second helical gear.
3. The spatially interleaved helical gear transmission according to claim 2, wherein said adjustment assembly comprises a drive shaft passing through said second helical gear, an adjustment sleeve disposed at one end of said drive shaft, and a locking ring engaged with threads on an outer side of said adjustment sleeve, wherein said one end of said adjustment sleeve is provided with external threads engaged with said internal threads of said second support hole, and said adjustment sleeve is connected to said drive shaft via a bearing set.
4. The spatially interleaved helical gear transmission according to claim 3 wherein the other end of said adjustment sleeve is externally faceted in sliding clearance fit with said first support aperture.
5. The spatially staggered helical gear transmission according to claim 3, wherein the adjusting sleeve has a plurality of notches uniformly distributed on an end surface of the other end thereof, a first bearing worm gear is disposed on an inner side thereof, a second bearing worm gear is disposed on one end thereof, and a plurality of first radial holes are circumferentially disposed on an outer circumferential surface of the adjusting sleeve between the first bearing worm gear and the second bearing worm gear.
6. The spatially interleaved helical gear transmission according to claim 3 wherein said locking ring comprises internal threads for mating with external threads on the adjustment sleeve and a plurality of second radial holes disposed on the outer circumference.
7. The spatially interleaved helical gear transmission according to claim 3 wherein said bearing set comprises a first bearing and a second bearing disposed at opposite ends of said adjustment assembly, said first bearing disposed at a proximal end of said second helical gear and said second bearing disposed at a distal end of said second helical gear.
8. The spatially interleaved helical gear transmission according to claim 7 wherein said drive shaft is sleeved with an adjustment ring, one end of said adjustment ring being in contact with an end surface of said first bearing and the other end of said adjustment ring being in contact with an end surface of said second helical gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111598540.0A CN114321282A (en) | 2021-12-24 | 2021-12-24 | Space staggered spiral gear transmission mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111598540.0A CN114321282A (en) | 2021-12-24 | 2021-12-24 | Space staggered spiral gear transmission mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114321282A true CN114321282A (en) | 2022-04-12 |
Family
ID=81013543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111598540.0A Pending CN114321282A (en) | 2021-12-24 | 2021-12-24 | Space staggered spiral gear transmission mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114321282A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5806371A (en) * | 1996-07-23 | 1998-09-15 | American Axle & Manufacturing, Inc. | Gear arrangement with backlash adjustment |
| CN101382192A (en) * | 2008-09-23 | 2009-03-11 | 无锡桥联数控机床有限公司 | Gap eliminating transmission case |
| CN102588559A (en) * | 2012-02-13 | 2012-07-18 | 北京波尔通导科技有限公司 | Gapless gear transmission device and method for removing gear transmission gap |
| CN104832633A (en) * | 2015-04-30 | 2015-08-12 | 芜湖意维利科技有限公司 | Radial clearance adjusting structure of worm gear and worm |
| CN209309295U (en) * | 2018-11-05 | 2019-08-27 | 上海新时达机器人有限公司 | Bevel gear gap-eliminating structure |
-
2021
- 2021-12-24 CN CN202111598540.0A patent/CN114321282A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5806371A (en) * | 1996-07-23 | 1998-09-15 | American Axle & Manufacturing, Inc. | Gear arrangement with backlash adjustment |
| CN101382192A (en) * | 2008-09-23 | 2009-03-11 | 无锡桥联数控机床有限公司 | Gap eliminating transmission case |
| CN102588559A (en) * | 2012-02-13 | 2012-07-18 | 北京波尔通导科技有限公司 | Gapless gear transmission device and method for removing gear transmission gap |
| CN104832633A (en) * | 2015-04-30 | 2015-08-12 | 芜湖意维利科技有限公司 | Radial clearance adjusting structure of worm gear and worm |
| CN209309295U (en) * | 2018-11-05 | 2019-08-27 | 上海新时达机器人有限公司 | Bevel gear gap-eliminating structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10533652B2 (en) | Worm gear drive with adjustable backlash | |
| CN110821966A (en) | Axial clearance adjusting device | |
| JP2018009699A (en) | Reduction gear | |
| WO2023010966A1 (en) | Nut component for steering rack and steering rack | |
| CN114321282A (en) | Space staggered spiral gear transmission mechanism | |
| JP7080814B2 (en) | Power wrench with angle drive | |
| CN102094951A (en) | Transmission device of precise displacement actuator | |
| CN215634493U (en) | Linear bearing with adjustable inner diameter | |
| US2512696A (en) | Intermittent gear | |
| US20110179896A1 (en) | Lead screw apparatus, linear actuator, and lift apparatus | |
| CN215846889U (en) | High-precision self-centering rotary platform | |
| CN110346891B (en) | Multifocal lens | |
| US3382731A (en) | Screw and nut mechanisms | |
| CN110307324B (en) | Duplex gear connecting structural member | |
| JP6540327B2 (en) | Cam follower and transmission mechanism | |
| CN218510117U (en) | Gear structure | |
| CN108412964B (en) | Eccentric swing type gear device | |
| CN214959105U (en) | Push rod motor | |
| CN217056166U (en) | Gear center distance adjusting device | |
| CN219605769U (en) | Locking device for gear shaft assembly | |
| CN110219947B (en) | Industrial few-tooth-difference speed reducer | |
| JP4426389B2 (en) | Ball screw nut | |
| CN215890974U (en) | Speed reducer | |
| CN219322187U (en) | Fixed shaft type screw rod stepping motor | |
| CN210566053U (en) | Industrial small-tooth-difference speed reducer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |