CN207111739U - A kind of spline pair of automatically retractable - Google Patents
A kind of spline pair of automatically retractable Download PDFInfo
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- CN207111739U CN207111739U CN201720881161.5U CN201720881161U CN207111739U CN 207111739 U CN207111739 U CN 207111739U CN 201720881161 U CN201720881161 U CN 201720881161U CN 207111739 U CN207111739 U CN 207111739U
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- splined shaft
- hole
- oil cylinder
- spline
- cylinder
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Abstract
The utility model discloses a kind of spline pair of automatically retractable, including：Splined shaft；It is sleeved on the protective cover that on splined shaft and one end is fixedly connected on splined shaft root；The spline housing for being sleeved on splined shaft and being in axial sliding connection with splined shaft；The splined shaft is provided with the through hole of axial direction, sets oil cylinder in the through hole, and the cylinder body of the oil cylinder is connected to the left end of splined shaft, and the end of the cylinder piston rod is connected to the right-hand member of spline housing, the oily fittings of the oil cylinder to control valve.During work, valve is manipulated by so as to change the flowing of hydraulic oil and pressure, reaches the flexible purpose of adjustment splined shaft.A kind of spline pair of automatically retractable of the utility model does not need artificial and other machineries to adjust the flexible of splined shaft when mounted, and itself easy to operate, time and labour saving, extends the service life of spline pair, improve operating efficiency with adjustment function.
Description
Technical field
The utility model belongs to gearing field, more particularly to a kind of spline pair of automatically retractable.
Background technology
Spline pair connection is a kind of common type of attachment for transmitting moment of torsion and kinetic energy, is transmitted because spline pair connection has
The features such as moment of torsion is big, transmission efficiency, positioning precision are high, net synchronization capability is good, service life is long, therefore it is widely used in vapour
The fields such as car, metallurgy, space flight and aviation, boats and ships heavy industry.Ordinary circumstance, needed when spline pair is installed by by artificial or driving etc.
Instrument makes splined shaft stretch, and the method wastes time and energy, be inconvenient for operation, automaticity is low, and when controlling splined shaft flexible not
Easy centering, fragile spline pair, influence spline pair service precision and life-span.
Utility model content
In order to solve above-mentioned problem, the utility model proposes a kind of spline pair of automatically retractable, the spline pair
Artificial and other machineries are not needed when mounted to adjust the flexible of splined shaft, it is easy to operate, time and labour saving, extend spline pair
Service life, improve operating efficiency.
To achieve these goals, the utility model uses following scheme, including：
Splined shaft；It is sleeved on the protective cover that on splined shaft and one end is fixedly connected on splined shaft root；It is sleeved on splined shaft
Spline housing that is upper and being in axial sliding connection with splined shaft；The splined shaft is provided with the through hole of axial direction, and oil cylinder is set in the through hole,
The cylinder body of the oil cylinder is connected to the left end of splined shaft, and the end of the cylinder piston rod is connected to the right-hand member of spline housing, described
The oily fittings of oil cylinder are to control valve.
The external diameter of the cylinder block is slightly less than the internal diameter of splined shaft axially extending bore.
The left end of the splined shaft axially extending bore connects an end cap for closing the axially extending bore left end, in the end cap
Portion is provided with through hole, the screwed hole being screwed into after the through hole that the first bolt through end covers on cylinder block left end end face.
Preferably, the connection of the end cap and splined shaft left end, is peripherally disposed some through holes on end cap,
The peripherally disposed some screwed holes in outside on splined shaft axially extending bore left end hole edge, the through hole that the second bolt through end covers
The screwed hole of splined shaft axially extending bore left end is screwed into afterwards.
Preferably, the end of the cylinder piston rod and the connection of spline housing right-hand member, it is the right-hand member connection company in spline housing
Fishplate bar, the circle centre position of the connecting plate are provided with through hole, and the through hole is divided into the path of concentric different radii, central diameter, three, big footpath
Part, the groove of piston rod end are located at the middle path portion of the through hole and a pair of semicircular fasteners are inserted in groove, pressure
Ring set is mounted in the end of piston rod and is located at the through hole large diameter portion, and the pressure ring compresses semicircle fastener, the pressure ring edge
Circumferencial direction is provided with through hole, and the 3rd bolt is screwed into the screwed hole of spline housing right-hand member connecting plate after passing through the through hole on pressure ring.
The outer surface of the splined shaft root is symmetrical arranged the through hole on a pair of connection cylinder block surfaces, and one end of oil pipe is worn
The oily joint that through hole is connected to cylinder surface is crossed, sealing ring, the oil are provided between the oil pipe tube wall and the through hole hole wall
The other end connection control valve of pipe.
During work, valve is manipulated by so as to change the flowing of hydraulic oil and pressure, reaches what adjustment splined shaft stretched
Purpose.
A kind of spline pair of automatically retractable of the utility model does not need artificial and other machineries to adjust flower when mounted
Key axle stretches, and itself easy to operate, time and labour saving, extends the service life of spline pair, improve work with adjustment function
Make efficiency.
Brief description of the drawings
Fig. 1 is the utility model section view schematic front view.
Fig. 2 is the utility model partial schematic sectional view.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings, so that those skilled in the art can be more
Add and be apparent from, as shown in Figure 1 and Figure 2, the utility model uses following scheme, including：
Splined shaft 1；It is sleeved on the protective cover 2 that on splined shaft 1 and one end is fixedly connected on the root of splined shaft 1；It is sleeved on flower
The spline housing 3 being in axial sliding connection on key axle 1 and with splined shaft 1；The splined shaft 1 is provided with the through hole of axial direction, in the through hole
Oil cylinder 4 is set, and the cylinder body of the oil cylinder 4 is connected to the left end of splined shaft 1, and the end of the piston rod of oil cylinder 4 is connected to spline
The right-hand member of set 3, the oily fittings of the oil cylinder 4 to control valve 14.
The external diameter of the cylinder body of oil cylinder 4 is slightly less than the internal diameter of the axially extending bore of splined shaft 1.
The left end of the axially extending bore of splined shaft 1 connects an end cap 5 for closing the axially extending bore left end, the end cap 5
Middle part be provided with through hole, the first bolt 6 is through the screwed hole being screwed into after the through hole on end cap 5 on the cylinder body left end end face of oil cylinder 4.
As preferred embodiment of the present utility model, the connection of the end cap 5 and the left end of splined shaft 1, is the edge on end cap 5
Some through holes of circumferencial direction setting, the peripherally disposed some screwed holes in outside on the axially extending bore left end hole edge of splined shaft 1,
Second bolt 7 is through the screwed hole that the axially extending bore left end of splined shaft 1 is screwed into after the through hole on end cap 5.
As preferred embodiment of the present utility model, the end of the piston rod of oil cylinder 4 and the connection of the right-hand member of spline housing 3,
It is the right-hand member connection connecting plate 8 in spline housing 3, the circle centre position of the connecting plate 8 is provided with through hole, and the through hole is divided into concentric difference
The path of radius, central diameter, three, big footpath part, the groove of piston rod end are located at the middle path portion of the through hole and in groove
A pair of semicircular fasteners 9 are inserted in, pressure ring 10 is sleeved on the end of piston rod and is located at the through hole large diameter portion, the pressure ring
10 compress semicircle fastener 9, and the pressure ring 10 is along the circumferential direction provided with through hole, after the 3rd bolt 11 passes through the through hole on pressure ring 10
It is screwed into the screwed hole of the right-hand member connecting plate 8 of spline housing 3.
The outer surface of the root of splined shaft 1 is symmetrical arranged the through hole of a pair of cylinder surfaces of connection oil cylinder 4, and the one of oil pipe 12
End is connected to the oily joint of cylinder surface through through hole, and sealing ring is provided between the tube wall of oil pipe 12 and the through hole hole wall
13, the other end connection control valve 14 of the oil pipe 12.
During work, valve is manipulated by so as to change the flowing of hydraulic oil and pressure, reaches what adjustment splined shaft stretched
Purpose.
A kind of spline pair of automatically retractable of the utility model does not need artificial and other machineries to adjust flower when mounted
Key axle stretches, and itself easy to operate, time and labour saving, extends the service life of spline pair, improve work with adjustment function
Make efficiency.
Claims (6)
1. a kind of spline pair of automatically retractable, it includes splined shaft (1)；It is sleeved on splined shaft (1) and one end is fixedly connected
Protective cover (2) in splined shaft (1) root；The spline housing for being sleeved on splined shaft (1) and being in axial sliding connection with splined shaft (1)
(3)；It is characterized in that：The splined shaft (1) is provided with the through hole of axial direction, and oil cylinder (4), the oil cylinder (4) are set in the through hole
Cylinder body be connected to the left end of splined shaft (1), the end of oil cylinder (4) piston rod is connected to the right-hand member of spline housing (3), described
The oily fittings of oil cylinder (4) are to control valve (14).
2. spline pair according to claim 1, it is characterised in that：The external diameter of oil cylinder (4) cylinder body is slightly less than splined shaft (1)
The internal diameter of axially extending bore.
3. spline pair according to claim 1, it is characterised in that：The left end of splined shaft (1) axially extending bore connects one
The end cap (5) of the axially extending bore left end is closed, the middle part of the end cap (5) is provided with through hole, and the first bolt (6) passes through end cap (5)
On through hole after be screwed into screwed hole on oil cylinder (4) cylinder body left end end face.
4. spline pair according to claim 3, it is characterised in that：The end cap (5) and the connection of splined shaft (1) left end, it is
Peripherally disposed some through holes on end cap (5), in the outside on splined shaft (1) axially extending bore left end hole edge along the circumferential direction
Some screwed holes are set, and the second bolt (7) is through the spiral shell that splined shaft (1) axially extending bore left end is screwed into after the through hole on end cap (5)
Pit.
5. spline pair according to claim 1, it is characterised in that：The end of oil cylinder (4) piston rod is right with spline housing (3)
The connection at end, it is the right-hand member connection connecting plate (8) in spline housing (3), the circle centre position of the connecting plate (8) is provided with through hole, described
Through hole is divided into the path of concentric different radii, central diameter, three, big footpath part, and the groove of piston rod end is located in the through hole
Path portion and a pair of semicircular fasteners (9) are inserted in groove, pressure ring (10) is sleeved on the end of piston rod and positioned at described
Through hole large diameter portion, the pressure ring (10) compress semicircle fastener (9), and the pressure ring (10) is along the circumferential direction provided with through hole, the
Three bolts (11) are screwed into the screwed hole on spline housing (3) right-hand member connecting plate (8) after passing through the through hole on pressure ring (10).
6. spline pair according to claim 1, it is characterised in that：The outer surface of splined shaft (1) root is symmetrical arranged one
Through hole to connecting oil cylinder (4) cylinder surface, one end of oil pipe (12) is connected to the oily joint of cylinder surface through through hole, described
Sealing ring (13), the other end connection control valve of the oil pipe (12) are provided between oil pipe (12) tube wall and the through hole hole wall
(14)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720881161.5U CN207111739U (en) | 2017-07-20 | 2017-07-20 | A kind of spline pair of automatically retractable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720881161.5U CN207111739U (en) | 2017-07-20 | 2017-07-20 | A kind of spline pair of automatically retractable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207111739U true CN207111739U (en) | 2018-03-16 |
Family
ID=61573453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720881161.5U Active CN207111739U (en) | 2017-07-20 | 2017-07-20 | A kind of spline pair of automatically retractable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207111739U (en) |
-
2017
- 2017-07-20 CN CN201720881161.5U patent/CN207111739U/en active Active
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