CN203993666U - A kind of ring flange helmet dismantling device - Google Patents
A kind of ring flange helmet dismantling device Download PDFInfo
- Publication number
- CN203993666U CN203993666U CN201420416432.6U CN201420416432U CN203993666U CN 203993666 U CN203993666 U CN 203993666U CN 201420416432 U CN201420416432 U CN 201420416432U CN 203993666 U CN203993666 U CN 203993666U
- Authority
- CN
- China
- Prior art keywords
- spanner
- dismantling device
- open
- helmet
- connecting axle
- 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.)
- Expired - Fee Related
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- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
Abstract
A kind of ring flange helmet dismantling device, comprise the instrument body of rod and the spanner coordinating with this instrument body of rod, this instrument body of rod comprises that cross section is polygonal connecting axle and the cylindrical locking cap that is arranged on this connecting axle one end, the end face of this locking cap is provided with number and is no less than 2 alignment pin, the inner side shape of this spanner spanner and the form fit in connecting axle cross section; This instrument, can be time saving and energy saving when dismounting ring flange helmet, high efficiency dismounting helmet.
Description
Technical field
The utility model relates to a kind of dismantling device, particularly, relates to a kind of ring flange helmet dismantling device.
Background technology
ERSC ring flange helmet dismantling device is for dismounting ring flange helmet; in instrument uses; ring flange helmet, through hydraulic cylinder main shaft, covers this special envelope on ring flange, plays fixedly protective effect; because helmet position is in ring flange groove; there is more hydraulic tube around, be not easy to dismounting helmet, yet in the maintenance of ERSC apparatus guarantee; ring flange helmet need to be first dismantled, hydraulic cylinder could be taken out.Traditional ring flange dismantling device, is a scissor dismantling tong, and each dismounting can only be rotated 1/8 circle left and right, uses very inconvenience; In use can be subject to the interference of hydraulic tube around, and easily gouge pushes away core cylinder, working costs effort, efficiency is not high.
Summary of the invention
In order to solve the problems of the technologies described above, the utility model provides a kind of ring flange helmet dismantling device, and this instrument, can be time saving and energy saving when dismounting ring flange helmet, and high efficiency dismounting helmet, facilitates the maintenance of instrument.
The technical scheme that the utility model adopts is: a kind of ring flange helmet dismantling device, comprise the instrument body of rod and the spanner coordinating with this instrument body of rod, this instrument body of rod comprises that cross section is polygonal connecting axle and the cylindrical locking cap that is arranged on this connecting axle one end, the end face of this locking cap is provided with number and is no less than 2 alignment pin, the inner side shape of this spanner spanner and the form fit in connecting axle cross section.
Preferably, in the described instrument body of rod, be provided with cylindrical hole.
Preferably, the cross section of described connecting axle is square, regular pentagon or regular hexagon, and described spanner is four jiaos of spanners, five jiaos of spanners or die nut.
Preferably, the number of described alignment pin is 2, and the center of circle of these 2 alignment pins and this locking cap end face is on same straight line.
Preferably, described spanner is open-end wrench, and the opening center line of this open-end wrench becomes 30-60 degree angle with the central axis of described pinch bar.
Preferably, described alignment pin and locking cap adopt interference fit or integrally formed.
Preferably, the diameter of described cylindrical locking cap is identical with helmet diameter.
Preferably, described spanner is open-end wrench, and the opening edge of described open-end wrench is along being provided with fillet.
Preferably, described spanner is open-end wrench, and the length of described open-end wrench open side edges is greater than the length of these all the other sides of spanner.
Preferably, described spanner is open type inner hexagon spanner, and the cross section of described connecting axle is regular hexagon.
The beneficial effects of the utility model are:
1, alignment pin and locking cap adopt interference fit, simple in structure, and centering property is good, the reaction impulsive force that can bear helmet.
2, cross section be polygonal connecting axle can convenient wrench dismounting operation.
3, the diameter of cylindrical locking cap is identical with helmet diameter, can put into ring flange groove.
4, the length of open-end wrench open side edges is greater than the length of these all the other sides of spanner, thereby is convenient to the torsion of spanner.
5, open-end wrench open side, along being processed with fillet, more easily sticks into connecting axle outside during use.
6, the opening center line of open-end wrench becomes 30 degree angles with the central axis of its handle, make spanner be more prone to stick into hydraulic tube space, and rotation amplitude is large, can improve dismounting efficiency.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of the utility model ring flange helmet dismantling device one embodiment;
Accompanying drawing 2 is the structural representation of the instrument body of rod in the utility model;
Accompanying drawing 3 is the structural representation of the utility model split shed formula spanner;
Accompanying drawing 4 is the side view of the utility model split shed formula spanner.
The specific embodiment
Embodiment 1:
A kind of ring flange helmet dismantling device, comprise the instrument body of rod and the spanner 4 coordinating with this instrument body of rod, the instrument body of rod comprises that cross section is the connecting axle 3 of orthohexagonal and the cylindrical locking cap 2 that is arranged on this connecting axle one end, spanner 4 is open type inner hexagon spanner, the opening edge of described open-end wrench is along being provided with fillet, and the side edge length of opening is greater than the length of these all the other sides of spanner, the opening center line 9 of this open-end wrench becomes 30 degree angles with the central axis of described pinch bar, the diameter of described cylindrical locking cap is identical with helmet diameter, end face at locking cap 2 is provided with 2 alignment pins 1, described alignment pin and locking cap adopt interference fit, and the center of circle of these 2 alignment pins and this locking cap end face is on same straight line, during use, alignment pin 1 is inserted on helmet hole, with open-end wrench 4, be stuck in connecting axle 3 outsides, firmly rotation, reach the object of dismounting ring flange helmet.
Embodiment 2:
As depicted in figs. 1 and 2, a kind of ring flange helmet dismantling device, comprise the instrument body of rod and the spanner 4 coordinating with this instrument body of rod, in this instrument body of rod, be provided with cylindrical hole 5, the diameter of cylindrical hole 5 is 17mm, length is 140mm, run through the whole instrument body of rod, can pass hydraulic cylinder main shaft, avoid main shaft impact on instrument when dismounting helmet, the cross section of connecting axle 3 is orthohexagonal, and length is 120mm, spanner 4 is open type inner hexagon spanner, and this open type inner hexagon spanner can be connected with connecting axle 3.
As depicted in figs. 1 and 2, described alignment pin number is 2, and the center of circle of these 2 alignment pins and this locking cap 2 end faces is on same straight line, 2 alignment pin 1 diameters are 3.73mm, alignment pin 1 centre-to-centre spacing 27.47mm, and alignment pin 1 adopts interference fit with locking cap 2, the end face of locking cap 2 is provided with the hole that two hole depths are 4.00mm, the length of alignment pin 1 is 7.00mm, makes alignment pin 1 stick into rear interference fit in hole, and makes alignment pin higher than the end face of locking cap 2; The diameter of cylindrical locking cap 2 is identical with helmet diameter, makes locking cap 2 can put into ring flange groove, and alignment pin 1 is used in conjunction with the locating hole of helmet, blocks helmet.
As shown in Figure 3, open-end wrench 4 is open type inner hexagon spanner, comprise handle 8 and the interior hexagonal spanner of the open type of being located at handle 8 one end, spanner thickness is 30mm, the length of its open side edges 6 is greater than the length of interior all the other sides of hexagonal spanner, thereby be convenient to snapping in and reversing of spanner, meet torque demand; In the edge of opening, be processed with fillet 7, during use, more easily stick into connecting axle 3 outsides.
As shown in Figure 4, handle 8 adopts solid cylinder body structure, and intensity is high, durable.The angle of the opening center line 9 of handle 8 central axis and open-end wrench is 30 degree, make spanner be more prone to stick into hydraulic tube space, and rotation amplitude is large, can improve dismounting efficiency.
The cross section of connecting axle 3 of the present utility model also can be other regular polygons such as square, regular pentagon, and corresponding spanner 4 is four jiaos or five jiaos of spanners, and spanner can be mated with connecting axle 3, and this spanner is open type or closed type; At the end face of locking cap 2, being provided with number is 2,3 or a plurality of alignment pin 1, and this alignment pin 1 can adopt integrated connected mode to fix with locking cap 2.
Although the disclosed embodiment of the utility model as above, the embodiment that described content just adopts for the ease of understanding the utility model, not in order to limit the utility model.Technical staff under any the utility model in technical field; do not departing under the prerequisite of the disclosed spirit and scope of the utility model; can do any modification and variation what implement in form and in details; but scope of patent protection of the present utility model, still must be as the criterion with the scope that appending claims was defined.
Claims (10)
1. a ring flange helmet dismantling device, it is characterized in that: comprise the instrument body of rod and the spanner coordinating with this instrument body of rod, this instrument body of rod comprises that cross section is polygonal connecting axle and the cylindrical locking cap that is arranged on this connecting axle one end, the end face of this locking cap is provided with number and is no less than 2 alignment pin, the inner side shape of this spanner spanner and the form fit in connecting axle cross section.
2. dismantling device according to claim 1, is characterized in that: in the described instrument body of rod, be provided with cylindrical hole.
3. dismantling device according to claim 1, is characterized in that: the cross section of described connecting axle is square, regular pentagon or regular hexagon, and described spanner is four jiaos of spanners, five jiaos of spanners or die nut.
4. according to the arbitrary described dismantling device of claim 1-3, it is characterized in that: the number of described alignment pin is 2, and the center of circle of these 2 alignment pins and this locking cap end face is on same straight line.
5. according to the arbitrary described dismantling device of claim 1-3, it is characterized in that: described spanner is open-end wrench, the opening center line of this open-end wrench becomes 30-60 degree angle with the central axis of described pinch bar.
6. according to the arbitrary described dismantling device of claim 1-3, it is characterized in that: described alignment pin and locking cap adopt interference fit or one-body molded.
7. according to the arbitrary described dismantling device of claim 1-3, it is characterized in that: the diameter of described cylindrical locking cap is identical with helmet diameter.
8. according to the arbitrary described dismantling device of claim 1-3, it is characterized in that: described spanner is open-end wrench, the opening edge of described open-end wrench is along being provided with fillet.
9. according to the arbitrary described dismantling device of claim 1-3, it is characterized in that: described spanner is open-end wrench, and the length of described open-end wrench open side edges is greater than the length of these all the other sides of spanner.
10. according to the arbitrary described dismantling device of claim 1-3, it is characterized in that: described spanner is open type inner hexagon spanner, the cross section of described connecting axle is regular hexagon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420416432.6U CN203993666U (en) | 2014-07-25 | 2014-07-25 | A kind of ring flange helmet dismantling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420416432.6U CN203993666U (en) | 2014-07-25 | 2014-07-25 | A kind of ring flange helmet dismantling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203993666U true CN203993666U (en) | 2014-12-10 |
Family
ID=52033729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420416432.6U Expired - Fee Related CN203993666U (en) | 2014-07-25 | 2014-07-25 | A kind of ring flange helmet dismantling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203993666U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104816267A (en) * | 2015-04-24 | 2015-08-05 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Wrench |
-
2014
- 2014-07-25 CN CN201420416432.6U patent/CN203993666U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104816267A (en) * | 2015-04-24 | 2015-08-05 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Wrench |
| CN104816267B (en) * | 2015-04-24 | 2017-12-05 | 中国航空工业集团公司金城南京机电液压工程研究中心 | A kind of spanner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee after: CHINA OILFIELD SERVICES Ltd. Patentee after: CHINA NATIONAL OFFSHORE OIL Corp. Address before: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee before: CHINA OILFIELD SERVICES Ltd. Patentee before: CHINA NATIONAL OFFSHORE OIL Corp. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |