CN207593247U - A kind of double-worm driven slewing device - Google Patents
A kind of double-worm driven slewing device Download PDFInfo
- Publication number
- CN207593247U CN207593247U CN201721384936.4U CN201721384936U CN207593247U CN 207593247 U CN207593247 U CN 207593247U CN 201721384936 U CN201721384936 U CN 201721384936U CN 207593247 U CN207593247 U CN 207593247U
- Authority
- CN
- China
- Prior art keywords
- gear
- worm
- worm screw
- babinet
- driven
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of double-worm driven slewing devices in mechanical engineering field, including babinet and motor with accommodating chamber, the top of babinet is equipped with rotary table, the adjustable right worm screw one end of axial position is connected on motor, driving gear is connected on right worm screw, center adjustable right worm screw one end of connection axial position of driving gear, the other end of right worm screw are connect with babinet；Driven gear is sequentially connected on driving gear, center adjustable left worm screw one end of connection axial position of driven gear, the other end of left worm screw is connect with babinet, is sequentially connected with worm gear on the left worm screw and right worm screw in babinet, rotary table is coaxially connected with worm gear；The utility model can eliminate the gyration aperture of rotary table.
Description
Technical field
The utility model is related to a kind of slewing equipment, more particularly to a kind of slewing equipment of twin worm driving.
Background technology
Rotary table is a kind of in the widely used mechanical device of processing manufacturing industry, and there is fixed for traditional rotary table
Position precision is not accurate enough, the problem of efficiency is relatively low, is particularly difficult to eliminate opposite clearance error, seriously constrain mechanical processing to
In high precision, the development in high efficiency direction.The technical issues of in order to solve gap error, in the prior art, drives rotary table
The device of rotation uses the transmission mechanism of worm and wormwheel, is sequentially connected with worm gear between twin worm, rotary table is coaxial with worm gear
Connection, applies pressing force in one end of 2 worm screws, makes one side compression worm gear of worm screw, so as to achieve the purpose that eliminate gap, but
This arrangement works for a period of time after, transmission segment between worm and wheel may again can there are gap, can not adjust worm screw with
The gap of worm gear, rotary table generates gyration aperture, so as to reduce the positioning accuracy of rotary table, meanwhile, this structure
There are the phenomenon that unbalance stress.
Utility model content
For the defects in the prior art, the purpose of this utility model is that solve it is above-mentioned can not eliminate in the prior art between
The technical issues of gap, a kind of double-worm driven slewing device is provided, the utility model eliminates the drive gap between drive mechanism.
What the purpose of this utility model was realized in：A kind of double-worm driven slewing device, including with accommodating chamber
Babinet and motor, the top of the babinet are equipped with rotary table, the adjustable right worm screw one of axial position are connected on the motor
It holds, driving gear is connected on the right worm screw, the center of the driving gear connects the adjustable right worm screw one end of axial position,
The other end of the right worm screw is connect with babinet；Driven gear, the center of the driven gear are sequentially connected on driving gear
The adjustable left worm screw one end of axial position is connected, the other end of the left worm screw is connect with babinet, left worm screw and the right side in babinet
Worm gear is sequentially connected on worm screw, the rotary table and worm gear are coaxially connected.
During utility model works, motor action, the output shaft rotation of motor, the output shaft drive driving tooth rotation of motor
Dynamic, the rotation of driving gear drives the rotation of driven gear, and the rotation of driven gear drives the rotation of left worm screw, and left worm screw turns
The dynamic rotation for driving worm gear, the rotation of worm gear drive the rotation of rotary table, driven gear, left worm screw and right worm screw up and down
Position is adjustable, by adjusting the upper-lower position of driven gear, left worm screw and right worm screw, eliminates between driven gear and driving gear
Back lash, eliminate the gap between left worm and worm wheel, eliminate the gap between right worm and worm wheel；The utility model can be eliminated
Gap between left worm screw, right worm and worm wheel makes rotary table rotation more steady, eliminates gyration aperture；This practicality is new
Type can be applied in the work of driving rotary table rotation.
In order to realize the adjusting of driven gear axial direction position, the downside of the driven gear is equipped with adjustable plate, the adjusting
Plate is connect with left worm screw, is connected at least one gear tune gap bolt on the adjustable plate, the gear tune gap bolt contradict from
The bottom of moving gear；It is axially mobile by screwing gear tune gap bolt pusher driven gear in this design, driving gear is compressed,
Eliminate the purpose of gear backlash.
In order to realize the adjusting of axial position between driving gear and driven gear, the driving gear and driven gear are
Become the straight spur gear of cutting-in, the space width of driving gear changes from small to big and the facewidth tapers into, and is engaged with driving gear
The facewidth of partial driven gear and the facewidth size of driving gear are complementary；In this design, the change cutting-in circle of a pair of of facewidth complementation
Achieve the purpose that compress gear and elimination gear backlash by finely tuning two gear axial positions when stud wheel is intermeshed.
In order to realize the adjusting of left worm screw axial position, one He of upper top cover is connected separately at the top and bottom of the babinet
Lower bottom cover one, the center of the upper top cover one are connected with Worm adjusting-clearance bolt one, and the downside of the Worm adjusting-clearance bolt one contradicts
There is bearing (ball) cover one, one downside of bearing (ball) cover is equipped with up-regulation heart ball bearing one；The top of the lower bottom cover one contradicts disc spring
One one end, the other end of disc spring one, which is equipped with, lowers heart ball bearing one, the up-regulation heart ball bearing and downward heart ball bearing with
Left worm screw connection；In this design, when worm gear generates gap with left worm screw, bearing (ball) cover is pushed by screwing Worm adjusting-clearance bolt one
One axial movement, bearing (ball) cover one push upper centring bearing one to move axially, and upper centring bearing one drives the axial of left worm screw to move
It is dynamic, the back lash between worm gear and left worm screw is eliminated, meanwhile, the setting of disc spring one provides the pretightning force for lowering heart ball bearing one
The opposite force to disappear needed for gap is compressed with left worm screw.
In order to provide the opposite force for compressing and disappearing needed for gap, the left side between the driven gear and lower bottom cover one to driven gear
Disc spring two is connected on worm screw.
In order to realize the adjusting of right worm screw axial position, upper top cover two is also respectively connected at the top and bottom of the babinet
With lower bottom cover two, the center of the upper top cover two is connected with Worm adjusting-clearance bolt two, and the downside of the Worm adjusting-clearance bolt two is supported
Touching has bearing (ball) cover two, and two downside of bearing (ball) cover is equipped with up-regulation heart ball bearing two；The top of the lower bottom cover two contradicts dish
One end of spring three, the other end of disc spring three, which is equipped with, lowers heart ball bearing two, the up-regulation heart ball bearing two and downward heart ball bearing
Two connect with right worm screw；In this design, when worm gear and right worm screw generate gap, adjust between the engagement between right worm and wheel
The principle of gap is identical with left worm screw.
As further improvement of the utility model, 2 gear tune gap bolts are connected on the adjustable plate and about tune
Save the center symmetric setting of plate.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
Fig. 2 is the sectional view along A-A of the utility model.
Wherein, 1 babinet, 2 left worm screws, 3 upper top covers one, 4 Worm adjusting-clearance bolts one, 5 bearing (ball) covers one, 6 up-regulation bulbus cordis axis
One is held, 7 worm gears, 8 right worm screws, 9 upper top covers two, 10 Worm adjusting-clearance bolts two, 11 bearing (ball) covers two, 12 raise heart ball bearings two,
13 lower heart ball bearing two, 14 disc springs three, 15 lower bottom covers two, 16 driving gears, 17 adjustable plates, 18 gear tune gap bolts, 19 dish
Spring two, 20 driven gears, 21 lower bottom covers one, 22 disc springs one, 23 lower heart ball bearing one, 24 rotary tables, 25 motors.
Specific embodiment
Embodiment 1
A kind of double-worm driven slewing device as depicted in figs. 1 and 2, including babinet and motor with accommodating chamber, case
The top of body is equipped with rotary table, and the adjustable right worm screw one end of axial position is connected on motor, is connected on right worm screw actively
Gear, center adjustable right worm screw one end of connection axial position of driving gear, the other end of right worm screw are connect with babinet；Actively
Driven gear is sequentially connected on gear, the center of driven gear connects the adjustable left worm screw one end of axial position, left worm screw
The other end is connect with babinet, is sequentially connected with worm gear on the left worm screw and right worm screw in babinet, rotary table is coaxial with worm gear
Connection.
In order to realize the adjusting of driven gear axial direction position, the downside of driven gear is equipped with adjustable plate, adjustable plate and left snail
Bar connects, and is connected with 2 gear tune gap bolts on adjustable plate, center symmetric setting of 2 gear tune gap bolts about adjustable plate,
Gear tune gap bolt is contradicted in the bottom of driven gear.
In order to realize the adjusting of axial position between driving gear and driven gear, the driving gear and driven gear are
Become the straight spur gear of cutting-in, the space width of driving gear changes from small to big and the facewidth tapers into, and is engaged with driving gear
The facewidth of partial driven gear and the facewidth size of driving gear are complementary（The structure of driving gear and driven gear from Fig. 1
Figure just can be seen that）.
In order to realize the adjusting of left worm screw axial position, upper top cover one and bottom are connected separately at the top and bottom of babinet
Gai Yi, the center of upper top cover one are connected with Worm adjusting-clearance bolt one, and the downside of Worm adjusting-clearance bolt one, which contradicts, bearing (ball) cover one,
One downside of bearing (ball) cover is equipped with up-regulation heart ball bearing one；The top of lower bottom cover one contradicts one end of disc spring one, disc spring one it is another
End, which is equipped with, lowers heart ball bearing one, raises heart ball bearing and downward heart ball bearing is connect with left worm screw.
In order to provide the opposite force for compressing and disappearing needed for gap, the left worm screw between driven gear and lower bottom cover one to driven gear
On be connected with disc spring two.
In order to realize the adjusting of right worm screw axial position, upper top cover two is also respectively connected at the top and bottom of babinet under
Bottom cover two, the center of upper top cover two are connected with Worm adjusting-clearance bolt two, and the downside of Worm adjusting-clearance bolt two, which contradicts, bearing (ball) cover
Two, two downside of bearing (ball) cover is equipped with up-regulation heart ball bearing two；The top of lower bottom cover two contradicts one end of disc spring two, disc spring two it is another
One end, which is equipped with, lowers heart ball bearing two, raises heart ball bearing two and downward heart ball bearing two is connect with right worm screw.
During utility model works, motor action, the output shaft rotation of motor, the output shaft drive driving tooth rotation of motor
Dynamic, the rotation of driving gear drives the rotation of driven gear, and the rotation of driven gear drives the rotation of left worm screw, and left worm screw turns
The dynamic rotation for driving worm gear, the rotation of worm gear drive the rotation of rotary table；Between being generated between driven gear and driving gear
During gap, motor stopping action is axially mobile by screwing gear tune gap bolt pusher driven gear, compresses driving gear, eliminates
The purpose of gear backlash；When worm gear generates gap with left worm screw, motor stopping action, by screwing Worm adjusting-clearance bolt one
Bearing (ball) cover one is pushed to move axially, bearing (ball) cover one pushes upper centring bearing one to move axially, and upper centring bearing one drives a left side
The back lash between worm gear and left worm screw is eliminated in the axial movement of worm screw, meanwhile, the setting of disc spring one provides and lowers bulbus cordis axis
The pretightning force and left worm screw for holding one compress the opposite force to disappear needed for gap；When worm gear and right worm screw generate gap, adjust right worm screw with
Back lash between worm gear is identical with left worm screw, and details are not described herein；The utility model can eliminate left worm screw, right worm and worm wheel
Between gap, eliminate the back lash between driven gear and driving gear, make rotary table rotation more steady, eliminate back
Turn gap；The setting of disc spring one, disc spring two and disc spring three gives each bearing to provide opposite force, makes left worm screw, right worm screw and driven
Strength of gear is uniform；The utility model can be applied in the work of driving rotary table rotation.
The utility model is not limited to above-described embodiment, on the basis of technical solution disclosed in the utility model, this
For the technical staff in field according to disclosed technology contents, not needing to performing creative labour can be to some of which technology spy
Sign makes some and replaces and deform, these are replaced and deform in scope of protection of the utility model.
Claims (7)
1. a kind of double-worm driven slewing device, it is characterised in that：Including babinet and motor with accommodating chamber, the babinet
Top is equipped with rotary table, and the adjustable right worm screw one end of axial position is connected on the motor, is connected on the right worm screw
Driving gear, center connection axial position adjustable right worm screw one end of the driving gear, the other end of the right worm screw with
Babinet connects；Driven gear, the center adjustable left side of connection axial position of the driven gear are sequentially connected on driving gear
Worm screw one end, the other end of the left worm screw are connect with babinet, and worm gear is sequentially connected on the left worm screw and right worm screw in babinet,
The rotary table and worm gear are coaxially connected.
2. a kind of double-worm driven slewing device according to claim 1, it is characterised in that：The downside of the driven gear
Equipped with adjustable plate, the adjustable plate is connect with left worm screw, and at least one gear tune gap bolt is connected on the adjustable plate, described
Gear tune gap bolt is contradicted in the bottom of driven gear.
3. a kind of double-worm driven slewing device according to claim 1, it is characterised in that：The driving gear and driven
Gear is the straight spur gear for becoming cutting-in, and the space width of driving gear changes from small to big and the facewidth tapers into, with active
The facewidth of the driven gear of gear meshing section and the facewidth size of driving gear are complementary.
4. a kind of double-worm driven slewing device according to claim 1, it is characterised in that：The top and bottom of the babinet
Portion is connected separately with upper top cover one and lower bottom cover one, and the center of the upper top cover one is connected with Worm adjusting-clearance bolt one, the snail
The downside of bar tune gap bolt one, which contradicts, bearing (ball) cover one, and one downside of bearing (ball) cover is equipped with up-regulation heart ball bearing one；It is described
The top of lower bottom cover one contradicts one end of disc spring one, and the other end of disc spring one, which is equipped with, lowers heart ball bearing one, the up-regulation bulbus cordis
Bearing and downward heart ball bearing are connect with left worm screw.
5. a kind of double-worm driven slewing device according to claim 4, it is characterised in that：The driven gear and bottom
Disc spring two is connected on left worm screw between lid one.
6. a kind of double-worm driven slewing device according to claim 1, it is characterised in that：The top and bottom of the babinet
Upper top cover two and lower bottom cover two is also respectively connected in portion, and the center of the upper top cover two is connected with Worm adjusting-clearance bolt two, described
The downside of Worm adjusting-clearance bolt two, which contradicts, bearing (ball) cover two, and two downside of bearing (ball) cover is equipped with up-regulation heart ball bearing two；Institute
The top for stating lower bottom cover two contradicts one end of disc spring three, and the other end of disc spring three, which is equipped with, lowers heart ball bearing two, the upper centring
Ball bearing two and downward heart ball bearing two are connect with right worm screw.
7. a kind of double-worm driven slewing device according to claim 2, it is characterised in that：It is connected on the adjustable plate
2 gear tune gap bolts and about the center symmetric setting of adjustable plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721384936.4U CN207593247U (en) | 2017-10-25 | 2017-10-25 | A kind of double-worm driven slewing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721384936.4U CN207593247U (en) | 2017-10-25 | 2017-10-25 | A kind of double-worm driven slewing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207593247U true CN207593247U (en) | 2018-07-10 |
Family
ID=62755859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721384936.4U Expired - Fee Related CN207593247U (en) | 2017-10-25 | 2017-10-25 | A kind of double-worm driven slewing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207593247U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630618A (en) * | 2019-01-17 | 2019-04-16 | 杭州星河传动机械研究院有限公司 | A kind of synchronous high-mechanic speed reducer |
| WO2023236620A1 (en) * | 2022-06-06 | 2023-12-14 | 中铁上海工程局集团有限公司 | Road-soil filled roadbed field sampling device |
-
2017
- 2017-10-25 CN CN201721384936.4U patent/CN207593247U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630618A (en) * | 2019-01-17 | 2019-04-16 | 杭州星河传动机械研究院有限公司 | A kind of synchronous high-mechanic speed reducer |
| WO2023236620A1 (en) * | 2022-06-06 | 2023-12-14 | 中铁上海工程局集团有限公司 | Road-soil filled roadbed field sampling device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207593247U (en) | A kind of double-worm driven slewing device | |
| CN101881318B (en) | General reducer with eccentric engagement pairs | |
| CN104565333A (en) | Method for automatically eliminating limited angle gear backlash | |
| CN206869594U (en) | A kind of rotatable fixing device of special-shaped glass processing | |
| CN208913625U (en) | A kind of machining fixing seat facilitating adjusting | |
| CN205996759U (en) | A kind of anti-deviation belt sanding device | |
| CN105817905B (en) | A kind of variable-ratio slewing equipment | |
| CN112775488B (en) | Fixed-length cutting device for processing frequency converter plates | |
| CN103111528A (en) | Mold unloading rod adjusting device of powder sintered part shaping machine | |
| CN102133711A (en) | Device for controlling angular displacement of rotating table | |
| CN201950470U (en) | Device for controlling angle displacement of rotary workbench | |
| CN102556451A (en) | Transmission mechanism of modified atmosphere fresh-keeping packaging machine | |
| CN208592815U (en) | It is a kind of can matching operation person's height bearing machining station | |
| CN216175694U (en) | Hydraulic press for integrally forming resistor disc | |
| CN206795837U (en) | Mechanical arm slew gear | |
| CN215918131U (en) | Novel agricultural product quality detection screening device | |
| CN220095639U (en) | Biomass briquetting extrusion equipment | |
| CN103878211B (en) | A kind of Electromagnetic Drive servo bender of Cycloidal pin-wheel drive mode | |
| CN215355727U (en) | Bending die for notebook sheet metal part | |
| CN216888890U (en) | Lead screw feeding device | |
| CN206433646U (en) | A kind of automatic noodle press | |
| CN219994314U (en) | Swing type speed reducer | |
| CN216710661U (en) | Vibration disc with lifting structure | |
| CN204175920U (en) | Cylindrical gears backlash twin-screw regulating device | |
| CN220533612U (en) | Fixing device for milling large forging |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180710 Termination date: 20201025 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |