CN205677905U - A kind of hydraulic operating mechanism and spring base thereof - Google Patents
A kind of hydraulic operating mechanism and spring base thereof Download PDFInfo
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- CN205677905U CN205677905U CN201620592145.XU CN201620592145U CN205677905U CN 205677905 U CN205677905 U CN 205677905U CN 201620592145 U CN201620592145 U CN 201620592145U CN 205677905 U CN205677905 U CN 205677905U
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- operating mechanism
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- hydraulic operating
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Abstract
The utility model discloses a kind of hydraulic operating mechanism and spring base thereof, this spring base includes the spring base body that outer peripheral face is the face of cylinder, spring base body has the shoulder hole that axis extends in left-right direction, being provided with knuckle between the right side of spring base body and described outer peripheral face, the radius of knuckle is 0.017 ~ 0.02 with the ratio of the external diameter of spring base body.By being arranged to knuckle between the right side of spring base body and its outer peripheral face, replace 5 × 15 ° of chamfering structures of the prior art.The benefit of knuckle is that this active force can discharge at fillet, and spring base is unlikely to deform, and is just not easy to come across the catching phenomenon of inboard wall of cylinder block in spring base motion process at spring base after the colliding forces being subject on axially.
Description
Technical field
The utility model relates to a kind of hydraulic operating mechanism and spring base thereof.
Background technology
Hydraulic operating mechanism is the common mechanism of the one in switchgear, as shown in Figure 1 be in hydraulic operating mechanism
Part-structure, including the plug 4 of operation cylinder the 1st, the oil sealing of outer cylinder body and inside, is provided with for spring base 2 block in operation cylinder
Limited step 11, the step surface of limited step 11 with operation the inside wall of cylinder junction be machined with the fillet that R is about 0.4mm,
As in figure 2 it is shown, be provided with spring 3 between spring base 2 and plug 4.The structure of spring base is as it is shown on figure 3, spring base 2 is provided with axis
Shoulder hole 22 through in left-right direction.The outer peripheral face of spring base 2 is the face of cylinder, the left side of spring base and outer peripheral face, right-hand member
Face and outer peripheral face junction are equipped with chamfering structure 21, and the chamfering angle size of chamfering structure 21 is 5 × 15 °.When actually used, live
Inner chamber from this operation cylinder for the stopper rod passes through and coordinates with plug slipper seal.Switchgear is driven to enter at hydraulic operating mechanism
During row divide-shut brake, spring base 2 can play the effect of buffering with the motion of piston rod axially-movable.After using a period of time, by
There occurs collision repeatedly in the limited step of spring base 2 and operation cylinder 1, can make spring base 2 close limited step one
End is easily deformed, and locally external diameter becomes big.The particularly outer peripheral face of spring base 2 and chamfering structure 21 junction on right side holds most
Yielding, because the axial force that spring base 2 is subject to during collision can be along the conical surface of chamfering structure towards spring
Seat outer peripheral face transmission.After spring base Leading Edge Deformation, affect smooth and easy motion in operation cylinder for the spring base, easily occur that clamping stagnation is existing
As.
Content of the invention
The purpose of this utility model is to provide a kind of hydraulic operating mechanism spring base, to solve hydraulic pressure behaviour in prior art
Make the spring base of mechanism and operation cylinder is susceptible to the technical problem of catching phenomenon after running a period of time.This practicality simultaneously is new
Type also provides a kind of hydraulic operating mechanism using this spring base.
In order to realize object above, in the utility model, the technical scheme of hydraulic operating mechanism spring base is as follows: hydraulic pressure
Operating mechanism spring base, including the spring base body that outer peripheral face is the face of cylinder, spring base body has axis in left-right direction
The shoulder hole extending, is provided with knuckle, described knuckle between the right side of described spring base body and described outer peripheral face
The ratio of external diameter of radius and spring base body be 0.017 ~ 0.02.
The radius of described knuckle is 1.5mm.
It is provided with, between the left side of described spring base body and described outer peripheral face, fillet of stepping down.
The radius of described fillet of stepping down is 0.45 ~ 0.55mm.
Described shoulder hole includes hole, big footpath and diameter holes, is formed and be used for and spring block between described hole, big footpath and diameter holes
The step surface coordinating.
In the utility model, the technical scheme of hydraulic operating mechanism is as follows: include the spring operating cylinder, being positioned at operation cylinder
Seat, spring base includes the spring base body that outer peripheral face is the face of cylinder, and spring base body has the rank that axis extends in left-right direction
Ladder hole, is provided with knuckle between the right side of described spring base body and described outer peripheral face, the radius of described knuckle with
The ratio of the external diameter of spring base body is 0.017 ~ 0.02.
The radius of described knuckle is 1.5mm.
It is provided with fillet of stepping down, the radius of described fillet of stepping down between the left side of described spring base body and described outer peripheral face
It is 0.45 ~ 0.55mm.
Described operation cylinder includes the cylinder body that axis extends in left-right direction, is provided with for carrying out described spring base in cylinder body
The limited step of axial limiting, limited step has towards left step surface, in described cylinder body in described step surface be positioned at step
The inboard wall of cylinder block junction of left side of face is equipped with, along cylinder body circumference, groove of stepping down.
Described groove of stepping down includes the cone tank being connected with inboard wall of cylinder block transition and the ring being connected with described cone tank transition
Groove.
The beneficial effects of the utility model: the utility model hydraulic operating mechanism spring base, by the right side of spring base body
It is arranged to knuckle between end face and its outer peripheral face, replace 5 × 15 ° of chamfering structures of the prior art.Knuckle
Benefit is that this active force can discharge at fillet, is unlikely to act at spring base after the colliding forces being subject on axially
Power is delivered at the outer peripheral face of spring base body, although slight deformation can occur at knuckle in use for some time,
But the part of this slight deformation is also in the space between spring base and inboard wall of cylinder block, does not contact with inboard wall of cylinder block,
Spring base motion process is just not easy to come across the catching phenomenon of inboard wall of cylinder block.By the radius of knuckle and spring base body
The ratio of external diameter be set to 0.017 ~ 0.02, experiment proves that, in the range of ratio is arranged on, beneficially spring base and cylinder
The guiding movement of body.
Brief description
Fig. 1 is the part-structure schematic diagram of the hydraulic operating mechanism of prior art；
Fig. 2 is the structural representation of the operation cylinder in Fig. 1；
Fig. 3 is the structural representation of the spring base in Fig. 1；
Fig. 4 is the structural representation of the operation cylinder in the utility model hydraulic operating mechanism；
Fig. 5 is the partial schematic diagram at the D in Fig. 4；
Fig. 6 is the structural representation of the spring base in the utility model hydraulic operating mechanism.
Detailed description of the invention
The embodiment of the utility model hydraulic operating mechanism: as Figure 4-Figure 6, hydraulic operating mechanism includes operation cylinder, position
Spring base in operation cylinder.Operation cylinder includes the cylinder body 40 that axis extends in left-right direction, is provided with for bullet in cylinder body 40
Spring abutment carries out the limited step 41 of axial limiting, and limited step 41 has towards left step surface 42, in step surface 42 in cylinder body 40
Being equipped with, along cylinder body circumference, groove of stepping down with inboard wall of cylinder block junction, this inboard wall of cylinder block refers to be positioned on the left of limited step 41
Part.Groove of stepping down is arranged on inboard wall of cylinder block, and groove of stepping down extends to step surface 42 and at least extends on step surface, this reality
Executing groove of stepping down in example and just extending to the position on step surface is at projection to the right on step surface for the inboard wall of cylinder block.Step down recessed
Groove includes the cone tank 30 being connected with inboard wall of cylinder block transition and the annular groove 31 being connected with cone tank transition.Groove of stepping down is additionally included in
The arc groove 32 that between annular groove 31 with step surface 42, transition is connected.The radius of arc groove 32 is less than 0.8mm.Cone tank 30 internal face
Being formed around the axis rotation of cylinder body by inclined line segment, the axis angle relative to cylinder body of this inclined line segment is 20 °.Annular groove 31
Internal face is to be formed around the axis rotation of cylinder body by horizontal line section, and this internal face is inner peripheral surface.The trough wall surface of arc groove 32 is
Circular arc line segment forms around the axis rotation of cylinder body.End for ensureing spring base does not collides at this arc groove 32s, makes circle
The extension to step surface 42 of arc groove 32 is positioned at the madial wall on the left of step surface 42 at step surface 42 less than cylinder body 40
On projection line.By arranging groove of stepping down, spring base does not just exist and inboard wall of cylinder block and platform in motion process in operation cylinder
The phenomenon that the fillet of terrace junction collides, the end of the close step surface side of natural spring base is also just less likely to occur
Deformation, solves the problem that spring base occurs clamping stagnation in oil sector practical work process to a certain extent.
Spring base includes the spring base body 50 that outer peripheral face is the face of cylinder, and spring base body 50 has axis in left-right direction
The shoulder hole 53 extending, is provided with knuckle 51, knuckle 51 between the right side 52 of spring base body 50 and outer peripheral face 57
The ratio of external diameter of radius and spring base body 50 be 0.0187, the radius of knuckle 51 is 1.5mm, the spring base at this
The external diameter of body 50 refers to the maximum outside diameter of spring base body 50.Between the left side of spring base body 50 and 55 outer peripheral faces 57
Being provided with fillet 56 of stepping down, the radius of fillet 56 of stepping down is 0.5mm.
Shoulder hole 53 includes hole, big footpath 531 and diameter holes 532, is formed and be used for and bullet between hole, big footpath 531 and diameter holes 532
The step surface that spring block in spring abutment coordinates.Big hole, footpath 531 forms and is used for pacifying spring-loaded placed cavity, and diameter holes 532 is for behaviour
The piston rod making cylinder passes through.
In the present embodiment, in order to strengthen the guide effect of spring base and cylinder body, relative to spring base of the prior art, add
Grow the length of spring base.
In other embodiments, relative to spring base of the prior art, the knuckle that only need to arrange right-hand member is also permissible,
With the groove fit of stepping down in cylinder body, the problem that can solve the problem that clamping stagnation.In other embodiments, the radius of knuckle can be
Other values, for example, be arranged to 0.017 or 0.02 by the ratio of the radius of knuckle and the external diameter of spring base, through verification experimental verification
Use the spring base of this ratio value, it is possible to the problem solving spring base and operation cylinder clamping stagnation.
In other embodiments, the radius of fillet of stepping down can be 0.45 mm or 0.55mm.
In other embodiments, it is possible to be not provided with arc groove, groove of stepping down only includes cone tank and annular groove two parts, now
Groove structure increase the area of step surface of limited step.
The embodiment of the utility model hydraulic operating mechanism spring base: the structure of this spring base and above-mentioned hydraulic operation machine
The structure of the spring base that structure embodiment includes is identical, and detailed description of the invention no longer describes in detail.
Claims (10)
1. hydraulic operating mechanism spring base, including the spring base body that outer peripheral face is the face of cylinder, spring base body has axis
The shoulder hole extending in left-right direction, it is characterised in that: it is provided with between the right side of described spring base body and described outer peripheral face
Knuckle, the radius of described knuckle is 0.017 ~ 0.02 with the ratio of the external diameter of spring base body.
2. hydraulic operating mechanism spring base according to claim 1, it is characterised in that: the radius of described knuckle is
1.5mm。
3. hydraulic operating mechanism spring base according to claim 1, it is characterised in that: the left end of described spring base body
It is provided with, between face and described outer peripheral face, fillet of stepping down.
4. hydraulic operating mechanism spring base according to claim 3, it is characterised in that: the radius of described fillet of stepping down is
0.45~0.55mm。
5. the hydraulic operating mechanism spring base according to any one of Claims 1-4, it is characterised in that: described shoulder hole
Including hole, big footpath and diameter holes, between hole, described big footpath and diameter holes, form the step surface for coordinating with spring block.
6. hydraulic operating mechanism, including operation cylinder, the spring base being positioned at operation cylinder, spring base includes that outer peripheral face is the face of cylinder
Spring base body, spring base body has the shoulder hole that axis extends in left-right direction, it is characterised in that: described spring base body
Right side and described outer peripheral face between be provided with knuckle, the ratio of the radius of described knuckle and the external diameter of spring base body
Value is 0.017 ~ 0.02.
7. hydraulic operating mechanism according to claim 6, it is characterised in that: the radius of described knuckle is 1.5mm.
8. hydraulic operating mechanism according to claim 6, it is characterised in that: the left side of described spring base body with described
Being provided with fillet of stepping down between outer peripheral face, the radius of described fillet of stepping down is 0.45 ~ 0.55mm.
9. the hydraulic operating mechanism according to any one of claim 6 to 8, it is characterised in that: described operation cylinder includes axis
The cylinder body extending in left-right direction, is provided with the limited step for carrying out axial limiting to described spring base, limiting stand in cylinder body
Rank have towards left step surface, in described cylinder body in described step surface with the inboard wall of cylinder block junction being positioned on the left of step surface along cylinder
Body circumference is equipped with groove of stepping down.
10. hydraulic operating mechanism according to claim 9, it is characterised in that: described groove of stepping down includes and inboard wall of cylinder block
The cone tank of transition connection and the annular groove being connected with described cone tank transition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620592145.XU CN205677905U (en) | 2016-06-17 | 2016-06-17 | A kind of hydraulic operating mechanism and spring base thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620592145.XU CN205677905U (en) | 2016-06-17 | 2016-06-17 | A kind of hydraulic operating mechanism and spring base thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205677905U true CN205677905U (en) | 2016-11-09 |
Family
ID=57433189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620592145.XU Active CN205677905U (en) | 2016-06-17 | 2016-06-17 | A kind of hydraulic operating mechanism and spring base thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205677905U (en) |
-
2016
- 2016-06-17 CN CN201620592145.XU patent/CN205677905U/en active Active
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |