CN207349286U - Transmission shaft - Google Patents
Transmission shaft Download PDFInfo
- Publication number
- CN207349286U CN207349286U CN201721146276.6U CN201721146276U CN207349286U CN 207349286 U CN207349286 U CN 207349286U CN 201721146276 U CN201721146276 U CN 201721146276U CN 207349286 U CN207349286 U CN 207349286U
- Authority
- CN
- China
- Prior art keywords
- transmission shaft
- shaft
- anchor ear
- keyway
- expansion set
- 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.)
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- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model provides a kind of transmission shaft, belong to field of machining, it includes the anchor ear of the expansion set of the first transmission shaft, connecting shaft, second driving shaft, the first transmission shaft of connection and connecting shaft, connection connecting shaft and second driving shaft, the free end of neighbouring first transmission shaft is provided with the first keyway and first flange disk, the free end of neighbouring second driving shaft is provided with the second keyway and second flange disk.Solve the problems, such as between a master and slave moving part in the prior art that transmission shaft driven effect is bad, inconvenient debugging.
Description
Technical field
Field of machining is the utility model is related to, more particularly to the transmission shaft between a kind of principal and subordinate's moving part.
Background technology
Numerical control connecting rod neck lathe is mainly used for that crank-shaft link neck is cylindrical, circle root, crank arm is cylindrical and the work such as crank arm end face
The processing of sequence.Critical component of the bent axle as engine, its precision decide the performance of whole engine, in order to improve processing
The precision and efficiency of the numerical control connecting rod neck lathe of bent axle, have used a kind of fixture comprising head frame and tailstock, head frame and tailstock it
Between connection one end to end frame transmission shaft, head frame be sleeved on lathe spindle, lathe spindle rotation by frame transmission shaft end to end drive
Tailstock synchronous rotary together.
The transmission shaft of frame end to end being commonly used is connected with headstock spindle and tailstock central shaft singly-bound respectively including two
Transmission shaft, lathe head transmission shaft connected with tailstock transmission shaft by opening anchor ear.Because connect between main shaft and transmission shaft for singly-bound
Connect, when head frame drives tailstock rotation, the continuous stress of singly-bound is easy to the width of abrasion key, causes pine between two axis of connection
Dynamic, so that it is unstable to cause whole fixture to distort, the product quality of processing is damaged, then fixture must be carried out from new debugging, and
Debugging is time-consuming longer and easily repeatedly, significantly reduces labor productivity.
Utility model content
For the above problem of the prior art, the utility model provides a kind of transmission shaft, solves in the prior art
The problem of transmission shaft driven effect is bad between master and slave moving part, inconvenient debugging.
In order to reach foregoing invention purpose, the technical solution adopted in the utility model is as follows：
A kind of transmission shaft is provided, it includes the first transmission shaft, connecting shaft, second driving shaft, the first transmission shaft of connection and company
The expansion set of spindle, the anchor ear for connecting connecting shaft and second driving shaft, the first key is provided with the free end of neighbouring first transmission shaft
Groove and first flange disk, the second keyway and second flange disk are provided with the free end of neighbouring second driving shaft.
Further, eight screw holes are both provided with first flange disk and second flange disk.
Further, anchor ear is hollow cylinder, and the opening that bottom surface is extended to from top surface is provided with its side wall.
Further, some pin holes arranged along its axis direction are provided with the lateral surface of anchor ear, pin hole
Axis is vertical with the axis of anchor ear and opposed open is symmetrical.
Further, expansion set includes expansion set inner sleeve and the expansion set overcoat being set in together.
Further, second driving shaft is provided with key-groove with anchor ear connecting pin, and key-groove is vertical with the second keyway.
Further, the first transmission shaft is with being provided with coaxial first step hole and second step hole in expansion set connecting pin,
First step hole is located at one end by proximal end face, and the diameter in first step hole is more than the diameter in second step hole, second step hole
Internal diameter be more than connecting shaft outside diameter.
Further, connecting shaft is provided with the 4th keyway with anchor ear connecting pin.
The beneficial effects of the utility model are：Connect on first transmission shaft and second driving shaft except being provided with keyway for key
Beyond connecing, be additionally provided with ring flange be used for be threadedly coupled further consolidate, when power transmits, transmission shaft is protected all the time with main shaft
Hold steady status.
The second keyway and key-groove that second driving shaft both ends are set position second in 90 ° of distributions by key connection
The diametrically opposite position of transmission shaft and anchor ear, makes when anchor ear or second driving shaft are remodeled or repaired without carrying out distortion tune again
It is whole, make simple, convenient, reliable.
Dismountable connecting shaft, connecting shaft and the first transmission shaft are provided between the first transmission shaft and second driving shaft
Connection is clamped by expansion set and connected, and can allow the first transmission shaft with the relative position of second driving shaft diametrically according to reality
Border needs to adjust.And the connecting pin of the first transmission shaft and connecting shaft is provided with first step hole and second step hole, First
Rank hole is used to install expansion set, and second step hole is used to accommodate connecting shaft external part, can shorten the first transmission according to being actually needed
The distance between axis and second driving shaft.So greatly facilitate the distortion adjustment between master and slave driving member and add this
The versatility of transmission shaft.
Brief description of the drawings
Fig. 1 is the shaft side figure of transmission shaft.
Fig. 2 is the axial sectional view of transmission shaft.
Wherein, the 1, first transmission shaft；11st, the first keyway；12nd, first flange disk；13rd, first step hole；14th, second step
Hole；2nd, connecting shaft；21st, the 4th keyway；3rd, second driving shaft；31st, the second keyway；32nd, second flange disk；33rd, key-groove；4、
Expansion set；41st, expansion set inner sleeve；42nd, expansion set overcoat；5th, anchor ear；51st, it is open；52nd, pin hole.
Embodiment
Specific embodiment of the present utility model is described below, in order to facilitate understanding by those skilled in the art
The utility model, it should be apparent that the utility model is not limited to the scope of embodiment, to the common skill of the art
For art personnel, if various change appended claim limit and the spirit and scope of definite the utility model in,
These changes are it will be apparent that all utilize the innovation and creation of the utility model design in the row of protection.
As shown in Figure 1 and Figure 2, the utility model provides a kind of transmission shaft, it includes the first transmission shaft 1, connecting shaft 2,
Two transmission shafts 3, the expansion set 4 for connecting the first transmission shaft 1 and connecting shaft 2, be connected connecting shaft 2 and the anchor ear 5 of second driving shaft 3,
The free end of neighbouring first transmission shaft 1 is provided with the first keyway 11 and first flange disk 12, in the freedom of neighbouring second driving shaft 3
End is provided with the second keyway 31 and second flange disk 32.
First transmission shaft 1 is connected with driving link, and second driving shaft 3 is connected with driven member.First keyway 11 and the second keyway
31 than first flange disk 12 and second flange disk 32 closer to end face, be respectively provided with first flange disk 12 and second flange disk 32
There are eight screw holes.First transmission shaft 1 and second driving shaft 3 when being connected with master and slave moving part, first pass through keyway positioning and connect respectively
Connect, then fixed by eight screw locks, realize firm power transmission.
Anchor ear 5 is hollow cylinder, and the opening 51 that bottom surface is extended to from top surface is provided with its side wall.In anchor ear 5
Four pin holes 52 arranged along its axis direction are provided with lateral surface, the axis of pin hole 52 is vertical with the axis of anchor ear 5
And opposed open 51 is symmetrical, pin hole 52 is provided at both ends with the mounting hole that diameter is more than pin hole 52.By to 5 lateral surface of anchor ear
The gap for applying force to reduce opening 51 is installed so as to fulfill the locking of anchor ear 5, then by between four pin permanent openings 51
Gap size, so as to fulfill being stably connected with for anchor ear 5.
Expansion set 4 includes the expansion set inner sleeve 41 of set assembling and expansion set overcoat 42, expansion set inner sleeve 41 couple with connecting shaft 2, expansion set
Overcoat 42 couples with the first transmission shaft 1, and by tightening, to be connected to the bolt in expansion set inner sleeve 41 and expansion set overcoat 42 swollen to realize
The connection function of set 4.Expansion set belongs to mechanical spare part in common use, it does not require connected axis and aperture aberration interference fit to have like that
High-precision manufacturing tolerance, also without heating, cooling or pressurized equipment during installation, and expansion set connection is reliable, convenient disassembly.
Second driving shaft 3 is provided with key-groove 33 with 5 connecting pin of anchor ear, and 33 and second keyway 31 of key-groove is in 90 °
Distribution.Connecting shaft 2 is provided with the 4th keyway 21 with 5 connecting pin of anchor ear.Coordinate on anchor ear 5 with 33 and the 4th keyway 21 of key-groove
Two keyways set point-blank.
First transmission shaft 1 in 4 connecting pin of expansion set with being provided with first step hole 13 and second step hole 14, first step hole
13 diameter is more than the diameter in second step hole 14, and first step hole 13 is located at one end by proximal end face.Use in first step hole 13
In installation expansion set overcoat 42, the internal diameter in second step hole 14 is more than the outside diameter of connecting shaft 2, for needing to reduce the first transmission shaft 1
Between second driving shaft 3 apart from when, accommodate the connecting shaft 2 of stretching.
In conclusion being connected between this transmission shaft and master and slave moving part reliably, firmly, and debug conveniently, use this transmission shaft
Into action edge transmission, substantially can completely avoid because angles of product caused by transmission shaft, distortion is overproof, deep gouge is unilateral situations such as
Generation.
Claims (9)
1. a kind of transmission shaft, it is characterised in that including the first transmission shaft (1), connecting shaft (2), second driving shaft (3), connection institute
State the expansion set (4) of the first transmission shaft (1) and the connecting shaft (2), be connected the connecting shaft (2) and the second driving shaft (3)
Anchor ear (5), the free end of neighbouring first transmission shaft (1) is provided with the first keyway (11) and first flange disk (12),
The free end of the neighbouring second driving shaft (3) is provided with the second keyway (31) and second flange disk (32).
2. transmission shaft according to claim 1, it is characterised in that the first flange disk (12) and second flange disk (32)
On be both provided with eight screw holes.
3. transmission shaft according to claim 1, it is characterised in that the anchor ear (5) is hollow cylinder, on its side wall
It is provided with the opening (51) that bottom surface is extended to from top surface.
4. transmission shaft according to claim 3, it is characterised in that be provided with the lateral surface of the anchor ear (5) along it
Some pin holes (52) of axis direction arrangement, the axis of the pin hole (52) is vertical with the axis of the anchor ear (5) and phase
It is symmetrical to the opening (51).
5. transmission shaft according to claim 1, it is characterised in that the expansion set (4) is included in the expansion set that is set in together
Cover (41) and expansion set overcoat (42).
6. transmission shaft according to claim 1, it is characterised in that the second driving shaft (3) is connected with the anchor ear (5)
End is provided with key-groove (33), and the key-groove (33) is vertical with second keyway (31).
7. transmission shaft according to claim 1, it is characterised in that first transmission shaft (1) is connected with the expansion set (4)
Coaxial first step hole (13) and second step hole (14) are provided with end, the first step hole (13), which is located at, leans on proximal end face
One end, the diameter of the first step hole (13) is more than the diameter of second step hole (14).
8. transmission shaft according to claim 7, it is characterised in that the internal diameter of the second step hole (14) is more than the company
The outside diameter of spindle (2).
9. transmission shaft according to claim 1, it is characterised in that the connecting shaft (2) sets with the anchor ear (5) connecting pin
It is equipped with the 4th keyway (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721146276.6U CN207349286U (en) | 2017-09-08 | 2017-09-08 | Transmission shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721146276.6U CN207349286U (en) | 2017-09-08 | 2017-09-08 | Transmission shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207349286U true CN207349286U (en) | 2018-05-11 |
Family
ID=62409534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721146276.6U Active CN207349286U (en) | 2017-09-08 | 2017-09-08 | Transmission shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207349286U (en) |
-
2017
- 2017-09-08 CN CN201721146276.6U patent/CN207349286U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |