CN205780795U - A kind of 12 grades of speed changing structures of monolever - Google Patents
A kind of 12 grades of speed changing structures of monolever Download PDFInfo
- Publication number
- CN205780795U CN205780795U CN201620484542.5U CN201620484542U CN205780795U CN 205780795 U CN205780795 U CN 205780795U CN 201620484542 U CN201620484542 U CN 201620484542U CN 205780795 U CN205780795 U CN 205780795U
- Authority
- CN
- China
- Prior art keywords
- gear
- rotating shaft
- lever
- cam
- grades
- 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.)
- Withdrawn - After Issue
Links
Landscapes
- Structure Of Transmissions (AREA)
- Gear-Shifting Mechanisms (AREA)
Abstract
nullThe utility model discloses a kind of 12 grades of speed changing structures of monolever，Including motor、Rotating shaft、Gear change hand lever，Motor is connected with rotating shaft I，Rotating shaft I successively with rotating shaft II、Ⅲ、IV is connected，Connect below rotating shaft I and have cam，Camshaft it is provided with in cam，Needle roller thrust bearing it is provided with outside camshaft，Needle roller thrust bearing is externally connected to large helical gear，Large helical gear engages with bevel pinion，Bevel pinion is connected with gear II by power transmission shaft，Gear II engages with gear I，Gear I is connected with gear change hand lever，Gear change hand lever is provided with rotating speed label，Cam both sides are connected to lever I、Ⅱ，Lever I、Torsion spring it is equipped with on II，Lever II is provided with fulcrum shaft，End is provided with fork，This utility model is rational in infrastructure，Main transmission gear shift mode power transmission shaft is few，Gear is few，The number of teeth is few，Gear diameter is little，Sliding handiness，Transmission efficiency is high，Noise is low，Easy to assembly，Gear change mode operates smooth and easy light，Location is reliable does not fall gear，Steering force can be alleviated.
Description
Technical field
This utility model relates to the main variable-speed gearing mechanism of Metal Cutting Machine Tool, the master of especially suitable drilling machine (or drilling and milling machine)
Axle gear and manipulation.
Background technology
The main transmission speed change overwhelming majority of drilling machine (or drilling and milling machine) uses 12 grades of gear shift, and recent domestic is special
12 grades of speed changing structures of popular double-speed motor gear combination, it is by the two of motor kinds of rotating speeds and one group of two gear and
Group triple gear transmission, with 2 × 2 × 3=12(or 2 × 3 × 2=12) version complete 12 grades of different rotating speeds, the row of gear
Row scheme is multimodal various, each has something to recommend him, but operating mechanism is the most similar, and the overwhelming majority is to handle two respectively with two handles
Group gear, then select motor speed with permutator, this maneuverability pattern simple in construction, reliable, but use very inconvenient (first wanting
See the instruction of rotating speed label, then operation three times), unsightly, cost is the lowest for appearance of the machine tool layout.
Utility model content
The purpose of this utility model is to provide a kind of 12 grades of speed changing structures of monolever.
The technical solution adopted in the utility model is:
A kind of 12 grades of speed changing structures of monolever, including motor, rotating shaft I, rotating shaft II, rotating shaft III, rotating shaft IV, gear change hand lever,
Described motor is connected with rotating shaft I, and described rotating shaft I is connected with rotating shaft II, rotating shaft III, rotating shaft IV successively, and described rotating shaft IV is provided with
Internal tooth, connects below described rotating shaft I and has cam, be provided with camshaft, be provided with needle roller thrust outside described camshaft in described cam
Bearing, described cam connects has switch, described needle roller thrust bearing to be externally connected to large helical gear, described cam and large helical gear
Between be provided with locking ball, described large helical gear engages with bevel pinion, and described bevel pinion is by power transmission shaft and gear II even
Connecing, described gear II engages with gear I, and described gear I is connected with gear change hand lever, and described gear change hand lever is provided with rotating speed label,
Described cam both sides are connected to lever I, lever II, described lever I, lever II are equipped with torsion spring, on described lever II
Being provided with fulcrum shaft, end is provided with fork.
Described cam curve is divided into 14 deciles.
The gear ratio of described big bevel pinion and gear I, II is 1.
Advantage of the present utility model: rational in infrastructure, main transmission gear shift mode power transmission shaft is few, and gear is few, and the number of teeth is few, and gear is straight
Footpath is little, sliding handiness, and transmission efficiency is high, and noise is low, easy to assembly, and gear change mode operates smooth and easy light, and location can
By not falling gear, steering force can be alleviated.
Accompanying drawing explanation
With detailed description of the invention, this utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the C-C profile of this utility model Fig. 1；
Fig. 3 is the D-D profile of this utility model Fig. 1；
Fig. 4 is this utility model main transmission speed change figure；
Fig. 5 is this utility model cam work figure.
Wherein: 1, motor；2, rotating shaft I；3, rotating shaft II；4, rotating shaft III；5, rotating shaft IV；6, camshaft；7, needle roller thrust axle
Hold；8, switch；9, large helical gear；10, internal tooth；11, gear I；12, rotating speed label；13, gear change hand lever；14, cam；15, location
Steel ball；16, lever I；17, lever II；18, torsion spring；19, fulcrum shaft；20, fork；21, bevel pinion；22, power transmission shaft；23, tooth
Wheel II.
Detailed description of the invention
Embodiment 1
As Figure 1-4, a kind of 12 grades of speed changing structures of monolever, including motor 1, rotating shaft I 2, rotating shaft II 3, rotating shaft III 4,
Rotating shaft IV 5, gear change hand lever 13, motor 1 is connected with rotating shaft I 2, and rotating shaft I 2 is connected with rotating shaft II 3, rotating shaft III 4, rotating shaft IV 5 successively,
Rotating shaft IV 5 is provided with internal tooth 10, and connecting below rotating shaft I 2 has cam 14, is provided with camshaft 6 in cam 14, and camshaft 6 is outside to be set
Having needle roller thrust bearing 7, cam 14 connects has switch 8, needle roller thrust bearing 7 to be externally connected to large helical gear 9, and cam 14 is with big
Being provided with locking ball 15 between helical gear 9, large helical gear 9 engages with bevel pinion 21, bevel pinion 21 by power transmission shaft 22 with
Gear II 23 connects, and gear II 23 engages with gear I 11, and gear I 11 is connected with gear change hand lever 13, and gear change hand lever 13 is provided with and turns
Speed label 12, cam 14 both sides are connected to lever I 16, lever II 17, lever I 16, lever II 17 are equipped with torsion spring 18,
Lever II 17 is provided with fulcrum shaft 19, and end is provided with fork 20, and cam 14 curve is divided into 14 deciles, large helical gear 9, bevel pinion
21 and the gear ratio of gear I 11, II 23 be 1.
During use, driven by motor rotating shaft I, through a pair gear reduced drive that the number of teeth is 22/59 to rotating shaft II, then through three
Shifting slide gear group drives to rotating shaft III, the rotating shaft III transmission axis of rotation IV, when motor is output as 1430 r/min, makes main shaft obtain
6 kinds of rotating speeds of 60～2100 r/min, when motor is output as 940 r/min, make main shaft obtain the another of 40～1400 r/min
Outer 6 kinds of rotating speeds, both combined crosswise complete 12 grades of speed changes of 40～2100 r/min.
This utility model is rational in infrastructure, and main transmission gear shift mode power transmission shaft is few, and gear is few, and the number of teeth is few, and gear diameter is little, sliding
Moving handiness, transmission efficiency is high, and noise is low, easy to assembly.
Embodiment 2
As shown in Fig. 1,2,3,5, a kind of 12 grades of speed changing structures of monolever, including motor 1, rotating shaft I 2, rotating shaft II 3, rotating shaft
III 4, rotating shaft IV 5, gear change hand lever 13, motor 1 is connected with rotating shaft I 2, rotating shaft I 2 successively with rotating shaft II 3, rotating shaft III 4, rotating shaft IV 5
Being connected, rotating shaft IV 5 is provided with internal tooth 10, and connecting below rotating shaft I 2 has cam 14, is provided with camshaft 6, outside camshaft 6 in cam 14
Portion is provided with needle roller thrust bearing 7, and cam 14 connects has switch 8, needle roller thrust bearing 7 to be externally connected to large helical gear 9, cam 14
And being provided with locking ball 15 between large helical gear 9, large helical gear 9 engages with bevel pinion 21, and bevel pinion 21 passes through power transmission shaft
22 are connected with gear II 23, and gear II 23 engages with gear I 11, and gear I 11 is connected with gear change hand lever 13, and gear change hand lever 13 sets
There are rotating speed label 12, cam 14 both sides to be connected to lever I 16, lever II 17, lever I 16, lever II 17 are equipped with torsion
Spring 18, lever II 17 is provided with fulcrum shaft 19, and end is provided with fork 20, and cam 14 curve is divided into 14 deciles, large helical gear 9, little
The gear ratio of helical gear 21 and gear I 11, II 23 is 1.
During use, rotate the gear change hand lever in change speed gear box front, successively by gear I, gear II, power transmission shaft, bevel pinion, big
Helical gear drives cam rotation, because the gear ratio of gear I, II and helical gear pair is*=1, finally make gear change hand lever and cam
Obtaining and synchronize movement at the uniform velocity, cam curve is divided into 14 deciles, rotating speed label to be also 14 deciles, i.e. 12 grades rotating speeds and two neutral gears
(be easy to manual main shaft, handling cutter and school and adjust workpiece).
Cam is core part in shift control system, and it can utilize the curved groove on its periphery through lever control
The position of travelling gear, it is achieved 12 grades of speed changes and 2 neutral gears, utilizes 8 pits of periphery bottom, controls switch motion real
The conversion of existing motor high, low speed, 14 pits in lower cam end face, by locking ball and the effect of spring, it is achieved cam and
14 equal dividing and positionings of revolution label.
This utility model is rational in infrastructure, and gear change mode operates smooth and easy light, and location is reliable does not fall gear, can alleviate manipulation
Power.
Claims (3)
1. 12 grades of speed changing structures of a monolever, it is characterised in that: include motor, rotating shaft I, rotating shaft II, rotating shaft III, rotating shaft IV,
Gear change hand lever, described motor is connected with rotating shaft I, and described rotating shaft I is connected with rotating shaft II, rotating shaft III, rotating shaft IV successively, described rotating shaft
IV is provided with internal tooth, and connecting below described rotating shaft I has cam, is provided with camshaft, is provided with outside described camshaft in described cam
Needle roller thrust bearing, described cam connects has switch, described needle roller thrust bearing to be externally connected to large helical gear, described cam with
Being provided with locking ball between large helical gear, described large helical gear engages with bevel pinion, described bevel pinion by power transmission shaft with
Gear II connects, and described gear II engages with gear I, and described gear I is connected with gear change hand lever, and described gear change hand lever is provided with and turns
Speed label, described cam both sides are connected to lever I, lever II, described lever I, lever II are equipped with torsion spring, described thick stick
Bar II is provided with fulcrum shaft, and end is provided with fork.
A kind of 12 grades of speed changing structures of monolever the most according to claim 1, it is characterised in that: described cam curve is divided into 14
Decile.
A kind of 12 grades of speed changing structures of monolever the most according to claim 1, it is characterised in that: described big bevel pinion and tooth
The gear ratio of wheel I, II is 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620484542.5U CN205780795U (en) | 2016-05-25 | 2016-05-25 | A kind of 12 grades of speed changing structures of monolever |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620484542.5U CN205780795U (en) | 2016-05-25 | 2016-05-25 | A kind of 12 grades of speed changing structures of monolever |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205780795U true CN205780795U (en) | 2016-12-07 |
Family
ID=58113438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620484542.5U Withdrawn - After Issue CN205780795U (en) | 2016-05-25 | 2016-05-25 | A kind of 12 grades of speed changing structures of monolever |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205780795U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105822756A (en) * | 2016-05-25 | 2016-08-03 | 南通西马特机器制造有限公司 | Single-handle 12-stage speed reduction structure |
-
2016
- 2016-05-25 CN CN201620484542.5U patent/CN205780795U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105822756A (en) * | 2016-05-25 | 2016-08-03 | 南通西马特机器制造有限公司 | Single-handle 12-stage speed reduction structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2915330Y (en) | Boring and milling head | |
| CN205780795U (en) | A kind of 12 grades of speed changing structures of monolever | |
| CN206647517U (en) | A kind of dual output double speed gear | |
| CN207161631U (en) | The external transmission assembly of motor tricycle | |
| CN105822756B (en) | A kind of 12 grades of speed changing structures of monolever | |
| NL8005097A (en) | MOTOR DRIVE TOOL. | |
| CN106224509A (en) | A kind of hydraulic cylinder shift reducer | |
| CN205819477U (en) | Bicycle use mechanical tapered gear train variator | |
| CN205479297U (en) | Rotatory group board -like gearshift | |
| CN214305092U (en) | Steel cord double-speed bridge box speed reducer | |
| CN205519797U (en) | Variable -ratio drilling machine | |
| CN210034306U (en) | Speed change mechanism of power-assisted tricycle | |
| CN203703022U (en) | Twelve-level speed change mechanism operated through single handle | |
| CN103758946B (en) | A kind of 12 grades of gears of mono-lever control | |
| CN204124291U (en) | A kind of electric children vehicle steering hardware | |
| CN203345079U (en) | Mountain land mini-tiller | |
| CN205479313U (en) | Rotation type is shifted and is dialled board | |
| CN207213125U (en) | Diesel outboard engine gear changing mechanism | |
| CN205479308U (en) | Rotation type subassembly of shifting | |
| CN204677743U (en) | A kind of engine foot gear changing mechanism | |
| CN205715522U (en) | A kind of gearbox designs of special purpose vehicle | |
| CN207864541U (en) | A kind of mini-tiller four-speed gear shift case | |
| CN205008657U (en) | Two grades of acceleration rate annex cutter heads | |
| CN206190884U (en) | Shift fork aggregate unit | |
| CN201467674U (en) | Multi-gear speed regulation modular work box mechanism for rice transplanter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161207 Effective date of abandoning: 20180427 |