CN218506126U - Stern tube with oil tube and lead protection function - Google Patents
Stern tube with oil tube and lead protection function Download PDFInfo
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- CN218506126U CN218506126U CN202222867579.4U CN202222867579U CN218506126U CN 218506126 U CN218506126 U CN 218506126U CN 202222867579 U CN202222867579 U CN 202222867579U CN 218506126 U CN218506126 U CN 218506126U
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- stern
- oil
- lead
- tube
- oil pipe
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Abstract
The utility model discloses a stern tube with oil pipe and lead wire protect function, including consecutive front bearing seat section, stern tube body middle section and rear bearing seat section, wear to establish stern sealing oil pipe therein, be provided with temperature sensor in the rear bearing seat section, be provided with oil pipe inlay groove along axially running through on the stern tube body middle section inner wall, its cross section includes kerve portion and opening, stern sealing oil pipe wears to establish in this oil pipe inlay groove, installs the oil pipe bush between stern sealing oil pipe and kerve portion; the inner wall of the middle section of the stern tube body is provided with a sensor wire groove along the axial direction, the cross section of the sensor wire groove comprises a lead groove part and a sealing connecting part, a lead of a temperature sensor penetrates through the sensor wire groove, and a wire groove sealing cover is arranged on the sealing connecting part of the sensor wire groove. Adopt the utility model discloses a stern pipe with oil pipe and lead wire protect function can provide effectual protection to stern sealed oil pipe and temperature sensor's lead wire, avoids stern axle installation to cause the damage to it.
Description
Technical Field
The utility model relates to a parts for boats and ships especially relate to an improvement of boats and ships stern tube.
Background
The ship stern tube is a supporting device of a stern shaft in a ship, babbitt metal bearings for supporting the stern shaft are respectively arranged at two ends of the stern tube, and in order to master the working condition of the supporting bearing in time, a temperature sensor is required to be arranged at the bearing, thus, a lead wire of the temperature sensor arranged in the stern shaft supporting bearing at the rear end of the stern tube is required to penetrate through the stern tube and is led out from the front end of the stern tube, in order to protect the lead wire, the lead wire is usually penetrated into a lead wire protecting tube, and the lead wire protecting tube is arranged on the inner wall of the stern tube through a bracket and a fixing screw; the rear end of the stern tube is also provided with a sealing device of the stern shaft, lubricating oil is required to be injected into a sealing ring cavity of the sealing device so as to increase the back pressure on the sealing ring through oil pressure to ensure the sealing performance, the injected lubricating oil is required to be input and output from the front end of the stern tube through an oil tube, and therefore the lubricating oil tube is required to be arranged in the stern tube in a penetrating way and is also arranged on the inner wall of the stern tube through a support and a screw. The stern shaft is required to be installed in a stern tube in the ship building process, and the problem of assembling and disassembling the stern shaft also exists in the required maintenance process, the stern shaft is large in diameter, long in length and heavy in weight, the position between a hoisting point and the gravity center of the stern shaft is changed continuously in the installation and disassembly processes, the stern shaft is difficult to hoist and place, the stern shaft is easy to touch a sensor lead protection tube and a stern sealing oil tube in the stern tube, the lead damage and broken line of the sensor or the oil tube damage are caused, the damaged stern shaft and the oil tube are difficult to find, and serious quality hidden dangers are remained.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide a stern tube with oil pipe and lead wire protect function, it can provide effectual protection to stern sealed oil pipe and temperature sensor's lead wire, avoids stern axle installation to cause the damage to it.
In order to solve the technical problem, the utility model discloses a stern tube with oil pipe and lead wire protect function, including consecutive front bearing seat section, stern tube body middle section and rear bearing seat section, wear to arrange stern sealing oil pipe in it, be provided with temperature sensor in the rear bearing seat section, this temperature sensor's lead wire passes stern tube body middle section and draws forth from the front bearing seat section, be provided with oil pipe embedding groove along axially running through on the inner wall of stern tube body middle section, stern sealing oil pipe wears to locate in this oil pipe embedding groove, this oil pipe embedding groove's cross section includes tank bottom portion and opening, and the channel width of opening is greater than stern sealing oil pipe's diameter and is less than the channel width of tank bottom portion, installs the oil pipe bush between stern sealing oil pipe and tank bottom portion; be provided with the sensor wire casing along axial through ground on the stern body middle section inner wall, temperature sensor's lead wire is worn to locate this sensor wire casing in, and the cross section of this sensor wire casing includes the lead wire slot part and seals connecting portion, seals the groove width of connecting portion and is greater than the line footpath of lead wire and be less than the groove width of lead wire slot part, is equipped with the wire casing closing cap on the sensor wire casing, this wire casing closing cap joint is on sealing connecting portion.
In the structure, the oil pipe embedded groove is arranged on the inner wall of the middle section of the stern tube body in a penetrating manner along the axial direction, the stern sealing oil pipe penetrates through the oil pipe embedded groove, the cross section of the oil pipe embedded groove comprises the bottom groove part and the opening part, the groove width of the opening part is larger than the diameter of the stern sealing oil pipe and smaller than the groove width of the bottom groove part, an oil pipe lining is arranged between the stern sealing oil pipe and the bottom groove part, the stern sealing oil pipe is arranged in the oil pipe embedded groove on the middle section of the stern tube body, the oil pipe embedded groove forms effective protection for the stern sealing oil pipe, the stern shaft in the installation process is prevented from being possibly touched on the stern sealing oil pipe, the damage of the stern sealing oil pipe is avoided, the middle section of the stern sealing oil pipe can be placed to the bottom groove part of the oil pipe embedded groove from the opening part of the oil pipe embedded groove, two ends of the stern sealing oil pipe are connected with the oil pipe at the corresponding end through the pipe joint, the installation process is convenient, the oil pipe lining arranged between the oil pipe bottom groove part and the oil pipe lining enables the stern sealing oil pipe to obtain limiting, and the stable position of the stern sealing oil pipe after the stern sealing pipe is ensured.
The sensor wire casing is arranged on the inner wall of the middle section of the stern tube body in a penetrating mode along the axial direction, a lead of the temperature sensor penetrates through the sensor wire casing, the cross section of the sensor wire casing comprises a lead groove part and a sealing connecting part, the groove width of the sealing connecting part is larger than the wire diameter of the lead and smaller than the groove width of the lead groove part, a wire casing sealing cover is arranged on the sensor wire casing and is clamped on the sealing connecting part, the lead of the temperature sensor penetrates through the sensor wire casing, the sensor wire casing forms effective protection for the lead of the temperature sensor, the possibility that a stern shaft touches the lead of the temperature sensor in the installation process is avoided, the damage of the lead of the temperature sensor is avoided, the lead of the temperature sensor is placed into the lead groove part from the sealing connecting part of the sensor wire casing when the lead of the temperature sensor is installed, the lead is convenient to be arranged, a lead protection tube is not needed, and the arranged wire casing sealing cover ensures that the lead of the soft temperature sensor is always located in the lead groove part and cannot slide out of the sensor wire casing.
In a preferred embodiment of the present invention, the cross section of the bottom groove is circular. By adopting the embodiment, compared with the cross section of other shapes, the cross section of the circular bottom groove part has no sharp corner part, so that stress concentration can not be generated, and the stability of the middle section structure of the stern tube body is ensured.
The utility model discloses a another kind of preferred embodiment, the oil pipe bush is the ring form elastic sleeve, and the internal diameter of this ring cover cup joints on stern seal oil pipe. By adopting the embodiment, the annular oil pipe bushing can correspond to the bottom groove part and the shape of the stern sealing oil pipe, the mounting stability is kept, and the stern sealing oil pipe can be reliably fixed through the elastic deformation of the oil pipe bushing due to the elastic sleeve of the oil pipe bushing.
In another preferred embodiment of the present invention, the oil pipe bushing is an oil-resistant rubber bushing or an oil-resistant plastic bushing. By adopting the embodiment, the oil pipe bushing can adapt to the working environment in the stern pipe, and the service life is ensured.
In a further preferred embodiment of the present invention, the cross section of the lead groove portion is circular. By adopting the embodiment, compared with the cross section of other shapes, the cross section of the circular lead groove part has no sharp corner part, so that stress concentration can not be generated, and the stability of the middle section structure of the stern tube body is ensured.
In another preferred embodiment of the present invention, the slot cover is an elastic member having an i-shaped or p-shaped cross-section. By adopting the embodiment, the wire slot sealing cover can be connected with the sealing connecting part by utilizing the elasticity of the wire slot sealing cover, the wire slot sealing cover with the I-shaped or p-shaped section can be just clamped on the inner side and the outer side of the sealing connecting part, and the wire slot sealing cover can be installed and fixed without using connecting screws.
In a further preferred embodiment of the present invention, the wire casing cover is a member made of oil-resistant rubber or oil-resistant plastic. By adopting the embodiment, the trunking sealing cover can adapt to the working environment in the stern tube, and the service life is ensured.
In a further preferred embodiment of the present invention, a lead bushing is embedded in the sensor slot. With this embodiment, the lead bushing can stabilize the position of the lead of the temperature sensor within the sensor wire slot.
In another preferred embodiment of the present invention, the lead bushing is an elastic sleeve, the inner hole of the elastic sleeve is sleeved on the lead, and the periphery of the elastic sleeve is inserted into the lead groove portion. With this embodiment, the elastic lead bush allows the lead of the temperature sensor to be reliably fixed by elastic deformation of the lead bush.
In a still further preferred embodiment of the present invention, the lead bush is an oil-resistant rubber bush or an oil-resistant plastic bush. By adopting the embodiment, the lead bush can adapt to the working environment in the stern tube, and the service life is ensured.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural view of a specific embodiment of a stern tube with an oil tube and lead protection function of the present invention;
FIG. 2 isbase:Sub>A cross-sectional view taken at location A-A of the structure shown in FIG. 1;
FIG. 3 is an enlarged view of a portion of the structure shown in FIG. 2 at location I;
FIG. 4 is a schematic view of a mid-section of the stern tube body in the configuration shown in FIG. 3;
FIG. 5 is an enlarged view of a portion II of the structure shown in FIG. 1;
fig. 6 is a partial enlarged view of the portion III in the structure shown in fig. 1.
In the figure: 1-rear bearing seat section, 2-temperature sensor, 3-stern sealing oil pipe, 4-lead, 5-stern tube body middle section, 6-oil pipe embedded groove, 7-sensor wire groove, 8-wire groove sealing cover, 9-front bearing seat section, 10-oil pipe lining, 11-lead lining, 12-opening part, 13-bottom groove part, 14-sealing connecting part and 15-lead groove part.
Detailed Description
In the stern tube with the oil tube and lead protection function shown in fig. 1 and fig. 2, a front bearing seat section 9, a stern tube body middle section 5 and a rear bearing seat section 1 are sequentially connected to form the stern tube for supporting the stern shaft, babbitt metal bearings are respectively arranged in inner holes of the front bearing seat section 9 and the rear bearing seat section 1, a stern sealing oil tube 3 is arranged in the stern tube in a penetrating way, the stern sealing oil tube 3 is led to a stern shaft sealing device (not shown in the figure) positioned at the outer end of the stern tube rear bearing seat section 1 from the front bearing seat section 9, through holes for the stern sealing oil tube 3 to penetrate through are arranged in the front bearing seat section 9 and the rear bearing seat section 1, an oil tube embedding groove 6 is arranged on the inner wall of the stern tube body middle section 5 in a penetrating way along the axial direction, the stern sealing oil tube 3 penetrates through the oil tube embedding groove 6, referring to fig. 3 and fig. 4, the cross section of the oil tube embedding groove 6 comprises a bottom groove part 13 and an opening part 12, the cross section of the bottom groove part 13 is preferably circular, the groove width A of the opening part 12 is larger than the diameter B of the stern sealing oil pipe 3 and smaller than the groove width C of the bottom groove part 13, the middle section of the stern sealing oil pipe 3 can be placed into the bottom groove part 13 of the oil pipe embedded groove 6 from the opening part 12 of the oil pipe embedded groove 6, two ends of the stern sealing oil pipe 3 are connected with the front section of the corresponding stern sealing oil pipe 3 and the rear section of the stern sealing oil pipe 3 through pipe joints, the installation process is convenient, an oil pipe bushing 10 is installed between the stern sealing oil pipe 3 and the bottom groove part 13, referring to the figure 5, the oil pipe bushing 10 only needs to be installed in two ends of the oil pipe embedded groove 6, the oil pipe bushing 10 is preferably an annular elastic sleeve, the inner diameter of the annular elastic sleeve is sleeved on the stern sealing oil pipe 3, and the oil pipe bushing 10 is preferably an oil-resistant rubber sleeve or an oil-resistant plastic sleeve with good elasticity. According to the use requirement of the stern shaft sealing device, four stern sealing oil pipes 3 are generally arranged in a stern pipe.
The temperature sensor 2 is respectively arranged in the front bearing seat section 9 and the rear bearing seat section 1, a lead wire 4 of the temperature sensor 2 arranged in the rear bearing seat section 1 passes through the middle section 5 of the stern tube body and is led out from the front bearing seat section 9, a sensor wire slot 7 is arranged on the inner wall of the middle section 5 of the stern tube body in a penetrating manner along the axial direction, the lead wire 4 of the temperature sensor 2 is arranged in the sensor wire slot 7 in a penetrating manner, referring to fig. 3 and 4, the cross section of the sensor wire slot 7 comprises a lead wire slot part 15 and a sealing connecting part 14, the cross section of the lead wire slot part 15 is preferably circular, the slot width D of the sealing connecting part 14 is larger than the wire diameter E of the lead wire 4 and smaller than the slot width F of the lead wire slot part 15, the lead wire 4 of the temperature sensor 2 can be placed into the lead wire slot part 15 from the sealing connecting part 14 during installation, a sealing cover 8 is arranged on the sensor wire slot 7, the wire slot sealing cover 8 is clamped on the sealing connecting part 14, the wire cover 8 is preferably an elastic material component with the cross section in a cross section in an inner shape or a p shape, and the sealing cover 8 can be installed in a clamping manner without the sealing connecting part 14 which the inner side of the sealing cover can be just extruded into the sealing connecting part 14. Lead bushings 11 are embedded in the sensor slot 7, and referring to fig. 6, the lead bushings 11 are only installed in two ends of the sensor slot 7, and the lead bushings 11 are preferably elastic sleeves, and preferably oil-resistant rubber sleeves or oil-resistant plastic sleeves, inner holes of the elastic sleeves are sleeved on the lead wires 4, and peripheries of the elastic sleeves are inserted into the lead slot portions 15. Usually, two temperature sensors 2 are disposed in the rear bearing seat section 1, and the leads 4 of the two temperature sensors 2 are respectively inserted into the corresponding sensor wire slots 7.
While the preferred embodiments of the present invention have been illustrated and described, it is not intended to limit the invention to the particular embodiments shown, and modifications and variations are possible. Any improvement and change made on the basis of the basic principle of the present invention should be considered as falling within the protection scope of the present invention.
Claims (10)
1. The utility model provides a stern tube with oil pipe and lead wire protect function, wears to establish in it and arranges stern sealed oil pipe (3) including consecutive front bearing seat section (9), stern tube body middle section (5) and rear bearing seat section (1), is provided with temperature sensor (2) in rear bearing seat section (1), and its characterized in that is drawn forth from front bearing seat section (9) in stern tube body middle section (5) is passed in lead wire (4) of this temperature sensor (2): an oil pipe embedding groove (6) is axially arranged on the inner wall of the middle section (5) of the stern tube body in a penetrating manner, the stern sealing oil tube (3) penetrates through the oil pipe embedding groove (6), the cross section of the oil pipe embedding groove (6) comprises a bottom groove part (13) and an opening part (12), the groove width A of the opening part (12) is larger than the diameter B of the stern sealing oil tube (3) and smaller than the groove width C of the bottom groove part (13), and an oil pipe bushing (10) is arranged between the stern sealing oil tube (3) and the bottom groove part (13); be provided with sensor wire casing (7) along axial through ground on stern tube body middle section (5) inner wall, lead wire (4) of temperature sensor (2) wear to locate in this sensor wire casing (7), and the cross section of this sensor wire casing (7) includes lead wire slot part (15) and seals connecting portion (14), seals the groove width D of connecting portion (14) and is greater than the line footpath E of lead wire (4) and is less than the groove width F of lead wire slot part (15), is equipped with wire casing closing cap (8) on sensor wire casing (7), and this wire casing closing cap (8) joint is on sealing connecting portion (14).
2. The stern tube with the oil tube and lead protection function as claimed in claim 1, wherein: the cross section of the bottom groove part (13) is circular.
3. The stern tube with the oil tube and lead protection function according to claim 1 or 2, wherein: the oil pipe bushing (10) is a circular ring-shaped elastic sleeve, and the inner diameter of the circular ring sleeve is sleeved on the stern sealing oil pipe (3).
4. The stern tube with the oil tube and lead protection function as claimed in claim 3, wherein: the oil pipe bushing (10) is an oil-resistant rubber sleeve or an oil-resistant plastic sleeve.
5. The stern tube with oil tube and lead protection function according to claim 1, wherein: the cross section of the lead groove part (15) is circular.
6. The stern tube with the oil tube and lead protection function as claimed in claim 1, wherein: the wire casing sealing cover (8) is an elastic material component with an I-shaped or p-shaped cross section.
7. The stern tube with the oil tube and lead protection function as claimed in claim 6, wherein: the wire slot sealing cover (8) is a component made of oil-resistant rubber or oil-resistant plastic.
8. The stern tube with the oil tube and lead protection function as claimed in claim 1, wherein: and a lead bush (11) is embedded in the sensor wire groove (7).
9. The stern tube with oil tube and lead protection function according to claim 8, wherein: the lead wire bushing (11) is an elastic sleeve, an inner hole of the elastic sleeve is sleeved on the lead wire (4), and the periphery of the elastic sleeve is inserted into the lead wire groove portion (15).
10. The stern tube with the oil tube and the lead protection function as claimed in claim 8 or 9, wherein: the lead bush (11) is an oil-resistant rubber sleeve or an oil-resistant plastic sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222867579.4U CN218506126U (en) | 2022-10-31 | 2022-10-31 | Stern tube with oil tube and lead protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222867579.4U CN218506126U (en) | 2022-10-31 | 2022-10-31 | Stern tube with oil tube and lead protection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218506126U true CN218506126U (en) | 2023-02-21 |
Family
ID=85218147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222867579.4U Active CN218506126U (en) | 2022-10-31 | 2022-10-31 | Stern tube with oil tube and lead protection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218506126U (en) |
-
2022
- 2022-10-31 CN CN202222867579.4U patent/CN218506126U/en active Active
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