CN205978408U - Transmission speed change mechanism with monomer gear type roller box - Google Patents
Transmission speed change mechanism with monomer gear type roller box Download PDFInfo
- Publication number
- CN205978408U CN205978408U CN201621001242.3U CN201621001242U CN205978408U CN 205978408 U CN205978408 U CN 205978408U CN 201621001242 U CN201621001242 U CN 201621001242U CN 205978408 U CN205978408 U CN 205978408U
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- gear
- shift
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Abstract
The utility model belongs to the technical field of longmen machine tool technique and specifically relates to that relate to is transmission speed change mechanism with monomer gear type roller box. Through adopting foretell technical scheme, the beneficial effects of the utility model are that: the utility model discloses rationally integrate the device in the box with gear drive, save the space of spindle nose, make the spindle processing degree of depth increase. Gear drive simple structure is clear in the box, when in need of repair, only needs to get rid of the box to maintain, and the dismouting is simply convenient. And be convenient for gear drive's routine maintenance.
Description
Technical field
This utility model is related to gantry processor bed technique field, and especially relate to is the biography with single-body type gear-box
Dynamic gear.
Background technology
The transmission gear shift retaining device of existing gantry processor bed is installed on head column, and compact overall structure is gathered and added
Work main shaft terminal position.When need keep in repair, because its overall structure is connected with head column, dismounting is difficult and bothers.And due to
Overall structure installation site, in main shaft end, takies the locus of main shaft end, leads to spindle processing depth limited.
Utility model content
The purpose of this utility model is to overcome above-mentioned deficiency, provide a kind of expand main shaft end spaces there is monomer
The transmission shifting mechanism of formula gear-box.
For achieving the above object, technical solution of the present utility model is：There is the transmission gear shift of single-body type gear-box
Mechanism, the main shaft being connected with power source including power source, input gear, output gear, casing and be installed on the gear in casing
Drive mechanism.Power source is above casing；Input gear is fixedly mounted on main the tip of the axis, input gear and gear drive machine
Structure engages.Below casing, output gear is connected output gear with gear drive.Gear drive is used for power
The power that source produces goes out to deliver to output gear after carrying out shift speed change again.By the gear drive reasonable integration of shift speed change extremely
In casing, effectively save the space of spindle nose, so that spindle processing depth is increased.
Preferably, also include the shifting cylinder above casing；Described gear drive includes power transmission shaft, driving cog
Wheel, splined shaft, power shift gear group, output shaft and the change-speed gearing group being set in travelling gear；Travelling gear is fixedly mounted on biography
Moving axis top, is engaged with input gear；Splined shaft is coupled with power transmission shaft lower spline, and splined shaft is passed by shifting cylinder control, edge
Moving axis moves up and down；The fixation of power shift gear group is set in splined shaft；The fixation of change-speed gearing group is set on output shaft, change-speed gearing
Group is mutually matched with power shift gear group and engages；Output gear fixation is set in the end of output shaft.
Preferably, described power shift gear group includes the first shift gear and is installed on the second gear below the first shift gear
Position gear；The external diameter of the first shift gear is unequal with the external diameter of the second shift gear；Described change-speed gearing group is from top to bottom wrapped
Include the first gear with the first gear gear matches and the second gear with the second gear gear matches；First gear and the second tooth
The interval of wheel is not less than the radial thickness of the second shift gear；When shifting cylinder drives splined shaft to move up, the first gear tooth
Wheel is engaged with first gear, and when shifting cylinder drives splined shaft to move down, the second shift gear is engaged with second gear.
Preferably, the external diameter of described first shift gear is more than the external diameter of the second shift gear.
Operation principle：When power source drive main axis, input gear is with main axis, and power is reached driving cog
Wheel, and then make drive axis；Splined shaft drives power shift gear group with drive axis.Meanwhile, splined shaft is in shifting cylinder
Under control, move up and so that the first shift gear is engaged with first gear, power is transmitted with first gear by the first shift gear
To output shaft；Or, splined shaft, under the control of shifting cylinder, is moved down and so that the second shift gear is engaged with second gear,
Power is sent to output shaft by the second shift gear and second gear.Final output shaft outputs power through output gear.Thus
Realize being sent to gear drive by the power that power source produces via main shaft, then via gear drive shift speed change,
It is sent to the equipment being connected with output gear.
By using above-mentioned technical scheme, the beneficial effects of the utility model are：This utility model is by gear drive machine
Structure reasonable integration is installed in casing, saves the space of spindle nose, so that spindle processing depth is increased.Casing internal gear transmission machine
Structure structure is simple and clear, when it is time for repair, only casing need to be removed and can be keeped in repair, dismount simple and convenient.And it is easy to gear
The regular maintenance of drive mechanism.
Brief description
Fig. 1 is structural representation of the present utility model.
Main Reference Numerals explanation：（1st, power source；2nd, main shaft；3rd, input gear；4th, gear drive；41st, it is driven
Axle；42nd, travelling gear；43rd, splined shaft；44th, power shift gear group；441st, the first shift gear；442nd, the second shift gear；45、
Output shaft；46th, change-speed gearing group；461st, first gear；462nd, second gear；5th, output gear；6th, casing；7th, shifting cylinder）.
Specific embodiment
To further illustrate this utility model below in conjunction with the drawings and specific embodiments.
As shown in figure 1, this utility model has the transmission shifting mechanism of single-body type gear-box, including power source 1 and power
Main shaft 2, input gear 3, output gear 4, casing 5 and the gear drive 4 being installed in casing 6 that source 1 connects.Power source
1 above casing 5；Input gear 3 is fixedly mounted on the end of main shaft 2, and input gear 3 is engaged with gear drive 4.Defeated
Go out gear 5 below casing 6, output gear 5 is connected with gear drive 4.Gear drive machine 4 structure is used for power source 1
The power producing goes out to deliver to output gear 5 after carrying out shift speed change again.By gear drive 4 reasonable integration of shift speed change extremely
In casing 6, effectively save the space of main shaft 2 end, so that main shaft 2 working depth is increased.
This utility model also includes the shifting cylinder 7 located at casing 6 top；Described gear drive 4 includes power transmission shaft
41st, travelling gear 42, the splined shaft 43 being set in travelling gear 41, power shift gear group 44, output shaft 45 and change-speed gearing group 46；
Travelling gear 42 is fixedly mounted on power transmission shaft 41 top, engages with input gear 3；Splined shaft 43 and power transmission shaft 41 lower spline connection
Connect, splined shaft 43 is controlled by shifting cylinder 7, move up and down along power transmission shaft 41；44 groups of fixations of power shift gear are set in splined shaft 43；
Change-speed gearing group 46 fixation is set on output shaft 45, and 46 groups of change-speed gearing is mutually matched with power shift gear group 44 and engages；Output
Gear 5 fixation is set in the end of output shaft 45.
Described power shift gear group 44 includes the first shift gear 441 and is installed on below the first shift gear 441 second
Shift gear 442；The external diameter of the first shift gear 441 is unequal with the external diameter of the second shift gear 442；Described change-speed gearing group
46 from top to bottom include the first gear 461 mated with the first gear tooth 441 wheel and mate second with the second shift gear 442
Gear 462；First gear 461 is spaced, with second gear 462, the radial thickness being not less than the second shift gear 442；Gearshift gas
When cylinder 7 drives splined shaft 43 to move up, the first shift gear 441 is engaged with first gear 461, and shifting cylinder 7 drives spline
When axle 43 moves down, the second shift gear 442 is engaged with second gear 462.The external diameter of described first shift gear 441 is more than
The external diameter of the second shift gear 442.
Operation principle：When power source 1 drive shaft 2 rotates, input gear 3 rotates with main shaft 2, and power is reached transmission
Gear 42, and then so that power transmission shaft 41 is rotated；Splined shaft 43 drives power shift gear group 44 to rotate with power transmission shaft 41.Meanwhile, splined shaft
43 under the control of shifting cylinder 7, moves up and so that the first shift gear 441 is engaged with first gear 461, power is by first gear
Position gear 441 is sent to output shaft with first gear 461；Or, splined shaft 43, under the control of shifting cylinder 7, moves down
Make the second gear tooth 442 take turns to engage with second gear 462, power is sent to defeated by the second shift gear 442 and second gear 462
Shaft.Final output shaft 45 outputs power through output gear 5.The power being achieved in being produced by power source passes via main shaft 2
Deliver to gear drive 5, then via gear drive 5 shift speed change, be sent to the equipment being connected with output gear 5.
Above-described, preferred embodiment only of the present utility model and it is impossible to limit this practicality enforcement scope, all
It is the impartial change and decoration made according to this utility model claim, all should still fall within the scope that this utility model is covered
Interior.
Claims (4)
1. there is the transmission shifting mechanism of single-body type gear-box it is characterised in that:The master being connected with power source including power source
Axle, input gear, output gear, casing and be installed on the gear drive in casing；Power source is above casing；Input
Gear is fixedly mounted on main the tip of the axis, and input gear is engaged with gear drive；Output gear, below casing, exports
Gear is connected with gear drive；The power that gear drive is used for producing power source carries out going out to send again after shift speed change
To output gear.
2. the transmission shifting mechanism with single-body type gear-box according to claim 1 it is characterised in that：Also include located at
Shifting cylinder above casing；Described gear drive includes power transmission shaft, travelling gear, is set in the spline of travelling gear
Axle, power shift gear group, output shaft and change-speed gearing group；Travelling gear is fixedly mounted on power transmission shaft top, engages with input gear；
Splined shaft is coupled with power transmission shaft lower spline, and splined shaft, by shifting cylinder control, moves up and down along power transmission shaft；Power shift gear group is solid
Surely it is set in splined shaft；The fixation of change-speed gearing group is set on output shaft, and change-speed gearing group is mutually matched with power shift gear group and nibbles
Close；Output gear fixation is set in the end of output shaft.
3. the transmission shifting mechanism with single-body type gear-box according to claim 2 it is characterised in that：Described gearshift tooth
Wheel group includes the first shift gear and is installed on the second shift gear below the first shift gear；The external diameter of the first shift gear
Unequal with the external diameter of the second shift gear；Described change-speed gearing group from top to bottom includes first with the first gear gear matches
Gear and the second gear with the second gear gear matches；When shifting cylinder drives splined shaft to move up, the first shift gear
Engage with first gear, when shifting cylinder drives splined shaft to move down, the second shift gear is engaged with second gear.
4. the transmission shifting mechanism with single-body type gear-box according to claim 3 it is characterised in that：Described first gear
The external diameter of position gear is more than the external diameter of the second shift gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621001242.3U CN205978408U (en) | 2016-08-31 | 2016-08-31 | Transmission speed change mechanism with monomer gear type roller box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621001242.3U CN205978408U (en) | 2016-08-31 | 2016-08-31 | Transmission speed change mechanism with monomer gear type roller box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205978408U true CN205978408U (en) | 2017-02-22 |
Family
ID=58038666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621001242.3U Active CN205978408U (en) | 2016-08-31 | 2016-08-31 | Transmission speed change mechanism with monomer gear type roller box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205978408U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113664301A (en) * | 2021-08-25 | 2021-11-19 | 浙江龙华工具有限公司 | Main shaft transmission structure of threading machine |
-
2016
- 2016-08-31 CN CN201621001242.3U patent/CN205978408U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113664301A (en) * | 2021-08-25 | 2021-11-19 | 浙江龙华工具有限公司 | Main shaft transmission structure of threading machine |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |