CN204640118U - Runner envelope piston pulling off device - Google Patents
Runner envelope piston pulling off device Download PDFInfo
- Publication number
- CN204640118U CN204640118U CN201520231931.2U CN201520231931U CN204640118U CN 204640118 U CN204640118 U CN 204640118U CN 201520231931 U CN201520231931 U CN 201520231931U CN 204640118 U CN204640118 U CN 204640118U
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- CN
- China
- Prior art keywords
- piston
- cylinder body
- support
- bolt
- pulling
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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
Links
- 238000010276 construction Methods 0.000 claims abstract description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 210000003746 feather Anatomy 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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- Actuator (AREA)
Abstract
The utility model discloses a kind of runner envelope piston pulling off device, runner envelope comprises: pulling off device, cylinder body and the piston be located in cylinder body, piston is provided with guide through hole, cylinder body also arranges screwed hole, pulling off device comprises: motor, motor fixing frame, train of reduction gears, support, support bracket bolt, pull bar, pivot bolt, connecting bolt and guide post, support bracket bolt is fixed in screwed hole, support is that slab construction is fixed on support bracket bolt, pivot bolt to be arranged in guide through hole and to be fixedly connected with guide post by connecting bolt, guide post can pass support with freeing in and out and be carried on support, pull bar comprises drawhead and the body of rod, drawhead is limited in support, and the body of rod passes support and is fixedly connected with piston thread, motor fixing frame is fixed on support, motor is installed on motor fixing frame, and be connected with drawhead by train of reduction gears.The utility model is convenient to piston to pull out outside cylinder body, safeguards cylinder body or piston.
Description
Technical field
The utility model relates to turbine chamber technical field, particularly relates to one and is convenient to piston to pull out outside cylinder body, to the runner envelope piston pulling off device that cylinder body or piston are safeguarded.
Background technology
The unit in power station, when overhauling oil head, often finds that oil head seat has iron filings, through judging that iron filings material is cast steel.Therefore, tentatively judge, the cylinder body of this generating set is pulled.
When runner envelope cylinder body is keeped in repair, following phenomenon can be found:
(1) there is elongated rugged indenture cylinder body many places, and region is comparatively large, and indenture is more shallow, has many iron filings simultaneously; Cylinder body closes end, chamber five place's hard impacts vestiges, and there are many axial grooves on surface, and on the right side of the feather key of upstream, many places have and seriously pull phenomenon.
(2) place of having begun to speak causes large area seriously to pull because blade ear handle grinds mutually with complete shut-down position-limited edge.
(3) four blade ear handles and complete shut-down position-limited edge have friction phenomenon.
(4) the nut limited block of blade ear handle comes off, and is extruded distortion, nut loosening.
(5) one or more shop bolt of feather key comes off, and is cut off by piston, and bolt has loosening phenomenon; Weld cracking between feather key and cylinder body, feather key and cylinder body have the gap of about 0.05mm.
(6) piston and end cap, find respectively there is an iron print, and position is relative, shape is similar.
According to above-mentioned phenomenon, we analyze the reason that cylinder body is pulled: because the assembling of alignment pin and feather key, cylinder body is interference fit by drawing, and failed call spot welding is fixed.Although and the locating piece spot welding of locking nut, locating piece, alignment pin operate with runner, when unit normally runs or occur vibration, occur that nature comes off, embed between piston and end cap, move with piston, cylinder body is produced and pulls, action frequency is more, pulls also more serious, and piston and rings is also pulled simultaneously.
Because the piston and rings in cylinder body is easily pulled, be therefore necessary that design one is convenient to piston to pull out outside cylinder body, to the runner envelope piston pulling off device that cylinder body or piston are safeguarded.
Utility model content
The purpose of this utility model is to provide one and is convenient to piston to pull out outside cylinder body, to the runner envelope piston pulling off device that cylinder body or piston are safeguarded.
To achieve these goals, the technical scheme that the utility model provides is: provide a kind of runner envelope piston pulling off device, for piston being pushed or pulling out in cylinder body, wherein, runner envelope comprises: cylinder body and the piston be located in described cylinder body, described piston is provided with guide through hole, described cylinder body is also provided with the screwed hole identical with described piston movement direction, comprise: controller, driver, motor, motor fixing frame, train of reduction gears, support, support bracket bolt, pull bar, pivot bolt, connecting bolt and guide post, described support bracket bolt is fixed in described screwed hole, described support is that slab construction is fixed on described support bracket bolt, described pivot bolt to be arranged in described guide through hole and to be fixedly connected with described guide post by described connecting bolt, described guide post can pass described support with freeing in and out and be carried on described support, described pull bar comprises drawhead and the body of rod, described drawhead is limited in described support, and the described body of rod passes described support and is fixedly connected with described piston thread, described motor fixing frame is fixed on described support, described motor is installed on described motor fixing frame, and be connected with drawhead by described train of reduction gears, described controller is by motor described in described driver drives, described motor rotates described pull bar, described piston can be pushed described cylinder body or pull out from described cylinder body.
Also comprise remote controller, described controller is also provided with the remote control module communicated with described remote controller.
Described piston outer wall is also provided with some piston ring grooves, and described piston ring groove is equipped with piston ring, and described height of piston ring is less than the piston ring groove degree of depth, and described piston ring is embedded in described piston ring groove, and its gap width requires as 0.015mm ~ 0.17mm.
The fit clearance of described inboard wall of cylinder block and described piston ring is not more than 0.20mm.
Described piston is also connected with operating oil line, and described operating oil line is connected to described piston base centre.
Described guide post is the hollow-core construction of sealed bottom, and the bolt head of described connecting bolt is limited on the bottom of described guide post, and is fixedly connected with described pivot bolt through the bottom of described guide post.
Described cylinder body is provided with 4 the described screwed holes that are evenly arranged identical with described piston movement direction, accordingly, be provided with four described support bracket bolts, and described support bracket bolt is all fixed in described screwed hole.
The described body of rod is stud, and described drawhead is be located at the nut on described stud.
Compared with prior art, in the utility model runner envelope piston pulling off device, owing to also comprising described pulling off device, therefore, it is possible to when needing to safeguard the runner envelope cylinder body of generating set, more convenient, pull it rapidly, improve the efficiency of maintenance.
By following description also by reference to the accompanying drawings, the utility model will become more clear, and these accompanying drawings are for explaining embodiment of the present utility model.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of an embodiment of the utility model runner envelope piston pulling off device.
Fig. 2 is the circuit theory module map of runner envelope piston pulling off device as shown in Figure 1.
Detailed description of the invention
With reference now to accompanying drawing, describe embodiment of the present utility model, element numbers similar in accompanying drawing represents similar element.As mentioned above, as Fig. 1, shown in 2, the runner envelope piston pulling off device 100 that the utility model provides, for piston being pushed or pulling out in cylinder body, runner envelope comprises: cylinder body 1 and the piston 2 be located in described cylinder body 1, described piston 2 is provided with guide through hole 3, described cylinder body 1 is also provided with the screwed hole 4 identical with described piston 2 direction of motion, comprise: controller 33, driver 34, motor 30, motor fixing frame 31, train of reduction gears 32, support 5, support bracket bolt 6, pull bar 7, pivot bolt 8, connecting bolt 9 and guide post 10, described support bracket bolt 6 is fixed in described screwed hole 4, described support 5 is on slab construction is fixed on described support bracket bolt 6, described pivot bolt 8 to be arranged in described guide through hole 3 and to be fixedly connected with described guide post 10 by described connecting bolt 9, described guide post 10 can pass described support 5 with freeing in and out and be carried on described support 5, described pull bar 7 comprises drawhead 70 and the body of rod 71, described drawhead 70 is limited in described support 5, and the described body of rod 71 passes described support 5 and is fixedly connected with described piston 2 screw thread, described motor fixing frame 31 is fixed on described support 5, described motor 30 is installed on described motor fixing frame 31, and be connected with drawhead 70 by described train of reduction gears 32, described controller 33 drives described motor 30 by described driver 34, described motor 30 rotates described pull bar 7, described piston 2 can be pushed described cylinder body 1 or pull out from described cylinder body 1.
In an embodiment, as shown in Figure 2, also comprise remote controller 35a, described controller 33 is also provided with the remote control module 35b communicated with described remote controller 35a.
In an embodiment, the described body of rod 71 is stud, and described drawhead 70 is for being located at the nut on described stud.
In an embodiment, described piston 2 outer wall is also provided with some piston ring grooves (figure does not show), described piston ring groove is equipped with piston ring 21, described piston ring 21 is highly less than the piston ring groove degree of depth, described piston ring 21 is embedded in described piston ring groove, and its gap width requires as 0.015mm ~ 0.17mm.
In an embodiment, the fit clearance of described cylinder body 1 inwall and described piston ring 21 is not more than 0.20mm.
In an embodiment, described piston 2 is also connected with operating oil line 22, and described operating oil line 22 is connected to described piston 2 bottom center place.
In an embodiment, described guide post 10 is the hollow-core construction of sealed bottom, and the bolt head of described connecting bolt 9 is limited on the bottom of described guide post 10, and is fixedly connected with described pivot bolt 8 through the bottom of described guide post 10.
In an embodiment, described cylinder body 1 is provided with 4 the described screwed holes 4 that are evenly arranged identical with described piston 2 direction of motion, accordingly, be provided with four described support bracket bolts 6, and described support bracket bolt 6 is all fixed in described screwed hole 4.
Composition graphs 1, the utility model runner envelope piston pulling off device 100, owing to also comprising described pulling off device, therefore, it is possible to when needing to safeguard the runner envelope cylinder body of generating set, more convenient, pull it rapidly, improve the efficiency of maintenance.
Above disclosedly be only preferred embodiment of the present utility model, certainly can not limit the interest field of the utility model with this, therefore according to the equivalent variations that the utility model claim is done, still belong to the scope that the utility model is contained.
Claims (8)
1. a runner envelope piston pulling off device, for piston being pushed or pulling out in cylinder body, wherein, runner envelope comprises: cylinder body and the piston be located in described cylinder body, described piston is provided with guide through hole, described cylinder body is also provided with the screwed hole identical with described piston movement direction, it is characterized in that, comprise: controller, driver, motor, motor fixing frame, train of reduction gears, support, support bracket bolt, pull bar, pivot bolt, connecting bolt and guide post, described support bracket bolt is fixed in described screwed hole, described support is that slab construction is fixed on described support bracket bolt, described pivot bolt to be arranged in described guide through hole and to be fixedly connected with described guide post by described connecting bolt, described guide post can pass described support with freeing in and out and be carried on described support, described pull bar comprises drawhead and the body of rod, described drawhead is limited in described support, and the described body of rod passes described support and is fixedly connected with described piston thread, described motor fixing frame is fixed on described support, described motor is installed on described motor fixing frame, and be connected with drawhead by described train of reduction gears, described controller is by motor described in described driver drives, described motor rotates described pull bar, described piston can be pushed described cylinder body or pull out from described cylinder body.
2. runner envelope piston pulling off device as claimed in claim 1, it is characterized in that: also comprise remote controller, described controller is also provided with the remote control module communicated with described remote controller.
3. runner envelope piston pulling off device as claimed in claim 1, it is characterized in that: described piston outer wall is also provided with some piston ring grooves, described piston ring groove is equipped with piston ring, described height of piston ring is less than the piston ring groove degree of depth, described piston ring is embedded in described piston ring groove, and its gap width requires as 0.015mm ~ 0.17mm.
4. runner envelope piston pulling off device as claimed in claim 3, is characterized in that: the fit clearance of described inboard wall of cylinder block and described piston ring is not more than 0.20mm.
5. the runner envelope piston pulling off device as described in claim 3 or 4, is characterized in that: described piston is also connected with operating oil line, described operating oil line is connected to described piston base centre.
6. runner envelope piston pulling off device as claimed in claim 4, it is characterized in that: described guide post is the hollow-core construction of sealed bottom, the bolt head of described connecting bolt is limited on the bottom of described guide post, and is fixedly connected with described pivot bolt through the bottom of described guide post.
7. the runner envelope piston pulling off device as described in claim 1 or 3, it is characterized in that: described cylinder body is provided with 4 the described screwed holes that are evenly arranged identical with described piston movement direction, accordingly, be provided with four described support bracket bolts, and described support bracket bolt is all fixed in described screwed hole.
8. the runner envelope piston pulling off device as described in claim 1 or 3, is characterized in that: the described body of rod is stud, and described drawhead is be located at the nut on described stud.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520231931.2U CN204640118U (en) | 2015-04-16 | 2015-04-16 | Runner envelope piston pulling off device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520231931.2U CN204640118U (en) | 2015-04-16 | 2015-04-16 | Runner envelope piston pulling off device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204640118U true CN204640118U (en) | 2015-09-16 |
Family
ID=54092898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520231931.2U Expired - Fee Related CN204640118U (en) | 2015-04-16 | 2015-04-16 | Runner envelope piston pulling off device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204640118U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109795619A (en) * | 2019-01-07 | 2019-05-24 | 武汉船用机械有限责任公司 | Oil pipe pulling off device |
-
2015
- 2015-04-16 CN CN201520231931.2U patent/CN204640118U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109795619A (en) * | 2019-01-07 | 2019-05-24 | 武汉船用机械有限责任公司 | Oil pipe pulling off device |
| CN109795619B (en) * | 2019-01-07 | 2020-07-07 | 武汉船用机械有限责任公司 | Oil pipe pulling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150916 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |