CN204078055U - Stern tube shaft lengthening bar - Google Patents
Stern tube shaft lengthening bar Download PDFInfo
- Publication number
- CN204078055U CN204078055U CN201420403528.9U CN201420403528U CN204078055U CN 204078055 U CN204078055 U CN 204078055U CN 201420403528 U CN201420403528 U CN 201420403528U CN 204078055 U CN204078055 U CN 204078055U
- Authority
- CN
- China
- Prior art keywords
- tube shaft
- stern tube
- linkage section
- lengthening bar
- rod
- 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
Links
Landscapes
- Revetment (AREA)
Abstract
The utility model relates to a kind of stern tube shaft lengthening bar, it is characterized in that it comprises the lengthening bar bar cover (3) and the lengthening bar body of rod (2) arranged front and back, the stern tube shaft linkage section (3.1) arranged before and after lengthening bar bar cover (3) comprises and body of rod linkage section (3.2), stern tube shaft linkage section (3.1) and body of rod linkage section (3.2) are front latter linked two sections of pipe structures, the inwall of stern tube shaft linkage section (3.1) is provided with negative thread, and the leading portion of the lengthening bar body of rod (2) embeds in body of rod linkage section (3.2).The utility model stern tube shaft lengthening bar is connected to the installation that stern tube shaft rear end can be applicable to the ultralong overweight stern tube shaft of large ship, stern tube shaft easily applies application force, and the steadily of centre of gravity of stern tube shaft can not cause stern tube shaft dyskinesia in stern pipe, therefore improves stern tube shaft installation effectiveness.
Description
Technical field
The utility model relates to a kind of stern tube shaft lengthening bar, is mainly used in shipbuilding field.
Background technology
In Ship production process, first stern pipe is installed in the stern hole of sternpost, then in stern pipe, stern tube shaft is installed.Because the stern tube shaft volume of large ship is large, quality weight, the quality of stern tube shaft will reach 82 tons, inconvenience is brought in the installation process of stern tube shaft, the more difficult application force applying that on stern tube shaft stern tube shaft is moved in rear and front end of such as stern tube shaft, and the crank of stern tube shaft causes stern tube shaft to be difficult to move in stern pipe, because this reducing installation effectiveness.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, provides a kind of stern tube shaft lengthening bar that can improve stern tube shaft installation effectiveness.
The purpose of this utility model is achieved in that
A kind of stern tube shaft lengthening bar, it is characterized in that it comprises the lengthening bar bar cover and the lengthening bar body of rod arranged front and back, the stern tube shaft linkage section arranged before and after lengthening bar bar cover comprises and body of rod linkage section, stern tube shaft linkage section and body of rod linkage section are front latter linked two sections of pipe structures, the inwall of stern tube shaft linkage section is provided with negative thread, the leading portion of the lengthening bar body of rod embeds in body of rod linkage section, hang before the outer rim of the front and back section of stern tube shaft linkage section is respectively arranged with groove and after hang groove, the outer rim of stern tube shaft linkage section is also provided with the multiple handle holes be circular layout.
Preferred as one, the twice hoop arranged before and after the back segment of stern tube shaft linkage section is provided with, after hang the outer rim that groove is arranged at one hoop in front.
Preferred as one, the junction of stern tube shaft linkage section and body of rod linkage section is provided with polylith brace panel, the leading portion that polylith brace panel is evenly arranged in body of rod linkage section is peripheral, the front end of brace panel connects the rear end of stern tube shaft linkage section, is provided with gap between the junction of stern tube shaft linkage section and body of rod linkage section and brace panel.
Compared with prior art, the beneficial effects of the utility model are:
The utility model stern tube shaft lengthening bar is connected to the installation that stern tube shaft rear end can be applicable to the ultralong overweight stern tube shaft of large ship, stern tube shaft easily applies application force, and the steadily of centre of gravity of stern tube shaft can not cause stern tube shaft dyskinesia in stern pipe, therefore improves stern tube shaft installation effectiveness.
Accompanying drawing explanation
Fig. 1 is the structural representation of stern tube shaft lengthening bar.
Fig. 2 is the structural representation of the lengthening bar body of rod.
Fig. 3 is the structural representation of lengthening bar bar cover.
Fig. 4 is the A place partial enlarged drawing of Fig. 3.
Fig. 5 is the B place partial enlarged drawing of Fig. 3.
Fig. 6 is the C place partial enlarged drawing of Fig. 3.
Fig. 7 is the connection structure schematic diagram of stern tube shaft and stern tube shaft lengthening bar.
Wherein:
Stern tube shaft 1
The lengthening bar body of rod 2, lengthening bar body 2.1, front shrouding 2.2, rear shrouding 2.3, front hanger 2.4, rear hanger 2.5
Lengthening bar bar cover 3, stern tube shaft linkage section 3.1, body of rod linkage section 3.2, front hang groove 3.1.1, handle hole 3.1.2, hoop 3.2.1, after hang groove 3.2.2, brace panel 3.3.
Detailed description of the invention
See Fig. 1 ~ Fig. 7, a kind of stern tube shaft lengthening bar that the utility model relates to, the lengthening bar bar cover 3 that it is arranged before and after comprising and the lengthening bar body of rod 2, the leading portion of the lengthening bar body of rod 2 embeds in lengthening bar bar cover 3.
The lengthening bar body of rod 2 comprises lengthening bar body 2.1, the rear and front end of lengthening bar body 2.1 is respectively arranged with front shrouding 2.2 and rear shrouding 2.3, the outside of front shrouding 2.2 and rear shrouding 2.3 is respectively arranged with front hanger 2.4 and rear hanger 2.5, wherein, front shrouding 2.2 is positioned at body 2.1, and rear shrouding 2.3 is positioned at outside body 2.1.Lengthening bar body 2.1 forms from front end to 1m grinding 5.3mm-5.7mm backward the section of setting, and the 30mm place, front outer face of lengthening bar body 2.1 is provided with the chamfering of 1:5,
The long 5642mm of lengthening bar body, lengthening bar internal diameter of tube body is 420mm, and lengthening bar outer tube diameter is 480mm, and lengthening bar body wall thickness is 30mm.
The stern tube shaft linkage section 3.1 arranged before and after lengthening bar bar cover 3 comprises and body of rod linkage section 3.2, stern tube shaft linkage section 3.1 and body of rod linkage section 3.2 are front latter linked two sections of pipe structures, and the section of setting embeds in body of rod linkage section 3.2.
The external diameter of stern tube shaft linkage section 3.1 is 860mm, length is 700mm, the outer edge surface distance front end face 200mm place of stern tube shaft linkage section 3.1 be provided with one radius be 10mm semi-round before hang groove 3.1.1, the outer edge surface distance front end face 392mm place of stern tube shaft linkage section 3.1 arranges 8 handle hole 3.1.2 that annular is evenly arranged, the diameter of handle hole 3.1.2 is 30mm, dark is 40mm, is taper bottom handle hole 3.1.2.The inwall of stern tube shaft linkage section 3.1 is provided with the negative thread mated with the outside thread of stern tube shaft rear end, and this dimension of inner screw thread is Tr715xP12, and stern tube shaft linkage section 3.1 inner edge of the front end of this negative thread is provided with step and chamfering.
Body of rod linkage section 3.2 length is 1028mm, external diameter is 530mm, wall thickness is 30mm, the back segment periphery of body of rod linkage section 3.2 is provided with the twice hoop 3.2.1 arranged front and back, and twice hoop is used for the section of the setting banding by body of rod linkage section and lengthening bar body, and twice hoop 3.2.1 spacing is 125mm, the wide 50mm of hoop 3.2.1, the outer rim of thick 50mm, one hoop 3.2.1 in front be provided with one radius be 10mm semi-round after hang groove 3.2.2, inner edge, body of rod linkage section 3.2 rear end is provided with chamfering.
Stern tube shaft linkage section 3.1 is provided with 8 pieces of brace panels 3.3 with the junction of body of rod linkage section 3.2, the thickness of brace panel 3.3 is 30mm, 8 pieces of brace panels are evenly arranged in the leading portion periphery of body of rod linkage section 3.2, the front end of brace panel connects the rear end of stern tube shaft linkage section 3.1, is provided with gap between the junction of stern tube shaft linkage section 3.1 and body of rod linkage section 3.2 and brace panel 3.3.
During use, the connection stern tube shaft lengthening bar in stern tube shaft rear end, a cylindrical step is stretched out in the rear end of stern tube shaft 1, cylindrical step rear end outer rim is provided with chamfering, and cylindrical step periphery is provided with outside thread.When connecting stern tube shaft lengthening bar and stern tube shaft, stern tube shaft lengthening bar and stern tube shaft hang flat respectively by steel rope, then the stern tube shaft linkage section of stern tube shaft lengthening bar front end and the cylindrical step of stern tube shaft rear end carry out just locating, because the stern tube shaft linkage section inner edge of threaded connection place and the outer rim of cylindrical step are provided with chamfering, the stern tube shaft linkage section being convenient to both puts cylindrical step, hang before on stern tube shaft linkage section groove 3.1.1 and after hang sheathed steel rope on groove 3.2.2, handle is embedded at 8 handle hole 3.1.2, turning handle, makes stern tube shaft lengthening bar and stern tube shaft screw thread screw up.
Claims (3)
1. a stern tube shaft lengthening bar, it is characterized in that it comprises the lengthening bar bar cover (3) and the lengthening bar body of rod (2) arranged front and back, the stern tube shaft linkage section (3.1) arranged before and after lengthening bar bar cover (3) comprises and body of rod linkage section (3.2), stern tube shaft linkage section (3.1) and body of rod linkage section (3.2) are front latter linked two sections of pipe structures, the inwall of stern tube shaft linkage section (3.1) is provided with negative thread, the leading portion of the lengthening bar body of rod (2) embeds in body of rod linkage section (3.2), hang before the outer rim of the front and back section of stern tube shaft linkage section (3.1) is respectively arranged with groove (3.1.1) and after hang groove (3.2.2), the outer rim of stern tube shaft linkage section (3.1) is also provided with the multiple handle holes (3.1.2) be circular layout.
2. a kind of stern tube shaft lengthening bar according to claim 1, it is characterized in that the back segment of stern tube shaft linkage section (3.1) be provided with before and after arrange twice hoop (3.2.1), after hang the outer rim that groove (3.2.2) is arranged at one hoop in front.
3. a kind of stern tube shaft lengthening bar according to claim 1 and 2, it is characterized in that stern tube shaft linkage section (3.1) is provided with polylith brace panel (3.3) with the junction of body of rod linkage section (3.2), the leading portion that polylith brace panel is evenly arranged in body of rod linkage section (3.2) is peripheral, the front end of brace panel connects the rear end of stern tube shaft linkage section (3.1), is provided with gap between the junction of stern tube shaft linkage section (3.1) and body of rod linkage section (3.2) and brace panel (3.3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420403528.9U CN204078055U (en) | 2014-07-22 | 2014-07-22 | Stern tube shaft lengthening bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420403528.9U CN204078055U (en) | 2014-07-22 | 2014-07-22 | Stern tube shaft lengthening bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204078055U true CN204078055U (en) | 2015-01-07 |
Family
ID=52170796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420403528.9U Expired - Fee Related CN204078055U (en) | 2014-07-22 | 2014-07-22 | Stern tube shaft lengthening bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204078055U (en) |
-
2014
- 2014-07-22 CN CN201420403528.9U patent/CN204078055U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104118530B (en) | Stern tube shaft installation method | |
| CN204078057U (en) | Stern tube shaft mounting structure | |
| CN204078055U (en) | Stern tube shaft lengthening bar | |
| CN204078054U (en) | Stern tube shaft lengthening bar bar cover | |
| CN204182959U (en) | Can not the inner support clamp of workpiece of clamping for profile | |
| CN204286555U (en) | The quick fixed support of a kind of movable tube | |
| CN203332279U (en) | Anti-theft saddle tube structure | |
| CN204195579U (en) | A kind of grip device of flanged fitting marking machine peculiar to vessel | |
| CN204184722U (en) | For the slippage bracket of pipe sleeve | |
| CN210939016U (en) | Chain wrench with jaw | |
| CN203361263U (en) | Basin capable of facilitating installation of water faucet | |
| CN204077997U (en) | Stern pipe is installed and is regulated support | |
| CN204035270U (en) | A kind of stewing device of snakelike companion's hot coil | |
| CN202964549U (en) | Valve core detacher of large radial sealing check valve | |
| CN203113789U (en) | Adjustable water-stopping pull screw | |
| CN204075542U (en) | The anti-oxidation iron device of plasma cutter when cutting stainless steel pipeline | |
| CN205394406U (en) | Remove electrolytic aluminum series short circuit mouth insulation support specialized tool | |
| CN204429854U (en) | A kind of composite roller | |
| CN103382771A (en) | Leakage proof mould hoisting tool at root of residence pipeline and construction method thereof | |
| CN204018766U (en) | Boring lathe part clamp | |
| CN204546388U (en) | The Quick fastening spanner used in table case installation process | |
| CN204248818U (en) | Hydraulic valve bank plug-in unit extracting tool | |
| CN202953745U (en) | Transportation loading and unloading machine | |
| CN202449145U (en) | Novel fixing structure on saddle sleeve | |
| CN204355892U (en) | Circular SCR case special hanger |
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: 20150107 Termination date: 20200722 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |