CN205876536U - A piston for 190 serial gas turbine generator group - Google Patents
A piston for 190 serial gas turbine generator group Download PDFInfo
- Publication number
- CN205876536U CN205876536U CN201620572600.XU CN201620572600U CN205876536U CN 205876536 U CN205876536 U CN 205876536U CN 201620572600 U CN201620572600 U CN 201620572600U CN 205876536 U CN205876536 U CN 205876536U
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- China
- Prior art keywords
- piston
- annular groove
- annular
- skirt
- crown
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- 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.)
- Expired - Fee Related
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- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The utility model belongs to the technical field of 190 the piston of series gas turbine generator group, especially, relate to a piston for 190 serial gas turbine generator group, including piston crown and the piston skirt portion of setting in the piston crown lower part, the outside of piston crown is followed and has upwards been set gradually the fourth annular down, the third annular, second annular and first annular, the inventor has set up wear -resisting ring in first annular, set up in top land and combustion chamber and plated the layer of making pottery, and the molybdenum disulfide coating has been set up in piston skirt portion's the outside, foretell wear -resisting ring, the setting of plating make pottery layer and molybdenum disulfide coating improves holistic wearability of piston and temperature toleration promptly, and the surface lubricity of piston and organism contact has been improved, great increase piston life -span in 190 serial gas turbine generator group promptly.
Description
Technical field
This utility model belongs to the piston technical field of 190 series jet dynamic control, and particularly relating to one for 190 is
The piston of row jet dynamic control.
Background technology
Piston cans be compared to the central position of electromotor (electromotor), account for of crucial importance when electromotor (electromotor) starts
Status.Piston is used to bear gas pressure, and orders about bent axle rotation by piston pin by connecting rod, and top land still burns
The ingredient of room.The quality of piston directly influences the work efficiency of electromotor thus.
For the piston in 190 series jet dynamic control, during using, because burning occurs in top land
Erosion, the first groove wear amount cause electromotor to decline service life compared with big, the low phenomenon of piston life.
Utility model content
This utility model, for above-mentioned problem, devises a kind of piston for 190 series jet dynamic control.
In order to achieve the above object, the technical solution adopted in the utility model is, this utility model provides one for 190
The piston of series jet dynamic control, including piston crown and the piston skirt that is arranged on piston crown bottom, described piston
The outside of head is disposed with the 4th annular groove, the 3rd annular groove, the second annular groove and the first annular groove, described 4th annular groove from bottom to top
On be provided with multiple oilhole, described first annular groove is provided with abrasion-proof inserted ring, the top of described piston crown is provided with combustor,
The outside of described top land and combustor is provided with the valve hole being uniformly arranged on piston crown top, on described piston skirt
Being provided with piston pin hole, the bottom of described piston skirt is provided with skirt section breach, and the top of described skirt section breach is provided with inner chamber,
Described inner chamber is vertically arranged with piston pin hole, described oilhole and intracavity inter-connection, and described top land and combustor are provided with
Plating pottery layer, the outside of described piston skirt is provided with molybdenum bisuphide coating.
As preferably, the thickness of described plating pottery layer is 40～80 μm.
As preferably, the width of described abrasion-proof inserted ring is 10～13mm.
As preferably, the thickness of described molybdenum bisuphide coating is 8～20 μm.
Compared with prior art, advantage of the present utility model and good effect are,
This utility model is provided with abrasion-proof inserted ring in the first annular groove, is provided with plating pottery in top land and combustor
Layer, and molybdenum bisuphide coating it is provided with in the outside of piston skirt, above-mentioned abrasion-proof inserted ring, plating pottery layer and molybdenum bisuphide coating
Arrange and i.e. improve the overall wearability of piston and temperature tolerance, and improve the surface lubrication that piston contacts with body, the most significantly
Increase piston 190 series jet dynamic control in life-span.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of this utility model embodiment, required in embodiment being described below
The accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is embodiments more of the present utility model,
For those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain according to these accompanying drawings
Obtain other accompanying drawing.
The perspective view of a kind of piston for 190 series jet dynamic control that Fig. 1 provides for embodiment 1；
Fig. 2 for embodiment 1 provide a kind of for 190 series jet dynamic control piston (by its four/part
Excision) perspective view；
The longitudinal sectional view of a kind of piston for 190 series jet dynamic control that Fig. 3 provides for embodiment 1；
In the most each figure, 1, piston crown；11, top land and combustor；12, the 4th annular groove；121, oilhole；13,
Three annular grooves；14, the second annular groove；15, the first annular groove；16, abrasion-proof inserted ring；17, plating pottery layer；18, valve hole；2, piston skirt；21、
Molybdenum bisuphide coating；22, piston pin hole；23, inner chamber；24, skirt section breach.
Detailed description of the invention
In order to be more clearly understood that above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the accompanying drawings and real
Execute example this utility model is described further.It should be noted that in the case of not conflicting, embodiments herein and reality
Execute the feature in example can be mutually combined.
Elaborate a lot of detail in the following description so that fully understanding this utility model, but, this practicality
Novel can be different from other modes described here implement to use, therefore, this utility model is not limited to described below
The restriction of the specific embodiment of description.
Embodiment 1, as shown in Figure 1 and Figure 2, this utility model devises a kind of work for 190 series jet dynamic control
Plug, the piston being mainly designed to the serial jet dynamic control for a diameter of 190 of the present utility model, including piston crown 1
With piston skirt 2, piston crown 1 and piston skirt 2 are an entirety in fact, according to effect and function therefore piston entirety are segmented
For piston crown 1 and piston skirt 2；The outside (referring to the outer wall of piston crown 1) of piston crown 1 sets the most successively
Having put the 4th annular groove the 12, the 3rd annular groove the 13, second annular groove 14 and the first annular groove 15, wherein the 4th annular groove 12 is for holding oil ring
Set, the 3rd annular groove 13 and the second annular groove 14 then for holding set by compression ring, inventor in order to improve wearability,
I.e. it is provided with the first annular groove 15, and is provided with abrasion-proof inserted ring 16 in the first annular groove 15, improve wearability；Piston crown 1
Top is provided with top land and combustor 11, top land and combustor 11 primarily to coordinate combustor to arrange,
The valve that is provided around of top land and combustor 11 cheats 18, and this valve hole 18 is also to cooperate with set by combustor, invention
People is in order to improve the heat-resisting quantity at top land and combustor 11, therefore is provided with plating pottery layer in top land and combustor 11
17, plating pottery layer 17 has resistant to elevated temperatures superperformance；Piston skirt 2 is mainly used for connecting the part of piston rod, i.e. at piston
The inside in skirt section 2 is provided with the structure for holding piston rod and space, i.e. inventor and is provided with skirt in the inside of piston skirt 2
Portion's breach 24, inner chamber 23 and the piston pin hole 22 for fixed piston rod, be placed on skirt section breach by the connecting portion of piston rod
24 and inner chamber 23 in, then with piston pin through piston pin hole 22, piston rod is fixed post, inner chamber 23 is mainly used for holding piston
Set by the union joint of bar, skirt section breach 24 then be for piston rod swing set by, wherein inner chamber 23 must and piston
Pin-and-hole 22 is vertically arranged, and so can be only achieved the fixing and requirement of work；Being not difficult to find out from Fig. 2 kind, oilhole 121 is and inner chamber 23
Think connection；Inventor, in order to improve the performance on surface, piston skirt 2, is provided with molybdenum bisuphide coating 21 on its external wall, and two
The lubricant effect that mainly raising piston is set of molybdenum sulfide coating 21.
Inventor, in order to improve piston effect operationally, has also done following design,
The thickness of plating pottery layer is designed to 40～80 μm by inventor, and above-mentioned interval is also that inventor has done great many of experiments and draws
's；The width design of abrasion-proof inserted ring has been become 10～13mm by same reason inventor respectively, and the thickness of molybdenum bisuphide coating sets
Count into 8～20 μm；Taking of above-mentioned interval is provided to improve the effect that piston is overall surely.
The above, be only preferred embodiment of the present utility model, is not that this utility model is made other form
Restriction, any those skilled in the art are changed possibly also with the technology contents of the disclosure above or are modified as equivalent
The Equivalent embodiments of change is applied to other field, but every without departing from technical solutions of the utility model content, according to this reality
Any simple modification, equivalent variations and the remodeling made above example by novel technical spirit, still falls within this practicality new
The protection domain of type technical scheme.
Claims (4)
1. for a piston for 190 series jet dynamic control, including piston crown and be arranged on piston crown bottom
Piston skirt, it is characterised in that: the outside of described piston crown be disposed with from bottom to top the 4th annular groove, the 3rd annular groove,
Two annular grooves and the first annular groove, described 4th annular groove is provided with multiple oilhole, described first annular groove is provided with abrasion-proof inserted ring, institute
The top stating piston crown is provided with combustor, and the outside of described top land and combustor is provided with and is uniformly arranged on piston head
The valve hole at top, portion, described piston skirt is provided with piston pin hole, and the bottom of described piston skirt is provided with skirt section breach,
The top of described skirt section breach is provided with inner chamber, and described inner chamber is vertically arranged with piston pin hole, described oilhole and intracavity inter-connection,
Being provided with plating pottery layer on described top land and combustor, the outside of described piston skirt is provided with molybdenum bisuphide coating.
A kind of piston for 190 series jet dynamic control the most according to claim 1, it is characterised in that: described plating
The thickness of pottery layer is 40～80 μm.
A kind of piston for 190 series jet dynamic control the most according to claim 2, it is characterised in that: described resistance to
The width of mill insert is 10～13mm.
A kind of piston for 190 series jet dynamic control the most according to claim 3, it is characterised in that: described two
The thickness of molybdenum sulfide coating is 8～20 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620572600.XU CN205876536U (en) | 2016-06-15 | 2016-06-15 | A piston for 190 serial gas turbine generator group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620572600.XU CN205876536U (en) | 2016-06-15 | 2016-06-15 | A piston for 190 serial gas turbine generator group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205876536U true CN205876536U (en) | 2017-01-11 |
Family
ID=57689375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620572600.XU Expired - Fee Related CN205876536U (en) | 2016-06-15 | 2016-06-15 | A piston for 190 serial gas turbine generator group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205876536U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026426A (en) * | 2018-08-15 | 2018-12-18 | 全椒县全动机械有限公司 | A kind of internal combustion engine and its surface treatment method |
| CN112879267A (en) * | 2020-12-30 | 2021-06-01 | 福建钜丰汽车配件有限公司 | Wear-resisting air compressor piston that new energy automobile used |
-
2016
- 2016-06-15 CN CN201620572600.XU patent/CN205876536U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026426A (en) * | 2018-08-15 | 2018-12-18 | 全椒县全动机械有限公司 | A kind of internal combustion engine and its surface treatment method |
| CN112879267A (en) * | 2020-12-30 | 2021-06-01 | 福建钜丰汽车配件有限公司 | Wear-resisting air compressor piston that new energy automobile used |
| CN112879267B (en) * | 2020-12-30 | 2023-08-11 | 福建钜丰汽车配件有限公司 | Wear-resisting air compressor piston for new energy automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170111 Termination date: 20210615 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |