CN201093982Y - Wear abrasion measuring mechanism of carbon ring for watercraft seal - Google Patents
Wear abrasion measuring mechanism of carbon ring for watercraft seal Download PDFInfo
- Publication number
- CN201093982Y CN201093982Y CNU2007200880882U CN200720088088U CN201093982Y CN 201093982 Y CN201093982 Y CN 201093982Y CN U2007200880882 U CNU2007200880882 U CN U2007200880882U CN 200720088088 U CN200720088088 U CN 200720088088U CN 201093982 Y CN201093982 Y CN 201093982Y
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- China
- Prior art keywords
- carbon ring
- sounding rod
- measuring
- measurement mechanism
- sealing
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- Expired - Fee Related
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a wearing measurement mechanism for a carbon ring used for sealing a ship, which comprises a measuring rod 9, a measuring body 10 and a handle 12, the handle 12 is fixed at one end of the measuring rod 9, the external part of the measuring rod 9 is sleeved with the measuring body 10, the notch edge at the middle of the measuring body 10 is provided with scales 13, and a measurement positioning mark 14 is arranged at the corresponding scale 13 of the measuring rod 9. The wear loss of the carbon ring 5 can be very conveniently and precisely measured out, and the best occasion for changing is controlled, so as to ensure the normal running of the ship tail shaft sealing device, thereby guaranteeing the security thereof. The operation is simple, the large-scale disassembly for checking is not required, and the work load is reduced. The utility model is applicable to measure the wear loss of the carbon ring used for sealing the tail shafts of various ships.
Description
Technical field
The utility model relates to a kind of measurement mechanism, specifically relates to seal in a kind of screw shaft of ship end surface mechanical sealing device the wear measurement mechanism with carbon ring.
Background technology
The submarine stern shaft seal gland, as shown in Figure 1, its major function enters equipment in the cabin for stoping the pressure hull and the annular gap between the stern tube shaft of seawater by hull.The stern end of stern tube shaft connects with screw propeller in the pressure hull outside of hull, and the bow end of stern tube shaft connects with other kind equipment in the pressure hull the inside of hull, and stern tube shaft has the function of transmitting the moment of torsion axial force that rotation produces with the transmission screw propeller to screw propeller.This equipment must guarantee behind the water that under submarine submarine all has reliable sealing under any operating mode of design.
The submarine stern shaft seal gland mainly is made up of end surface mechanical sealing device 3, repairing packoff 2, cup leather packing device 1 and stuffing seal 4, wherein the end surface mechanical sealing device is the most important part of stern shaft seal gland, carbon ring 5 is the critical parts that constitute the end surface mechanical sealing device with rotating ring 6, the thickness of carbon ring is along with wearing and tearing can reduce gradually, after may wear to a certain degree, the thickness of carbon ring must change, otherwise will itself cause damage to the submarine stern shaft seal gland, have influence on the safety of submarine.At present the detection of carbon ring thickness is that many parts of right part in the middle of Fig. 1 are taken apart, and carbon ring 5 is come out, and directly detects the axial dimension of carbon ring boss, the method consuming time many, workload is big, inconvenience.
Summary of the invention
Problem to be solved in the utility model be propose at above-mentioned prior art a kind of easy to use, weak point consuming time, the sealing of the little boats and ships of workload is with the wear measurement mechanism of carbon ring.
The utility model is that the solution that problem adopts of the above-mentioned proposition of solution is: the boats and ships sealing wear measurement mechanism of carbon ring, include sounding rod, measure body, handle, described handle is fixed in an end of sounding rod, the outer cover of sounding rod is provided with the measurement body, be provided with scale in the notch limit portion of measuring the body middle part, corresponding scale is provided with a measurement and positioning mark on the sounding rod.
Press such scheme, the other end of described sounding rod is provided with measuring head.
Press such scheme, an end of described measurement body is the step tubulose, and the outer round surface of its end is provided with the external thread that can screw with measured hole.
Press such scheme, the outer wall of the described measurement body other end is provided with the lock-screw that can compress sounding rod.
Press such scheme, the surface of described handle is provided with anti-skidding line.
Usefulness of the present utility model is:
1) can measure the wear extent of carbon ring easily exactly by the displacement of measuring the carbon ring assembly, grasp the replacing opportunity of carbon ring, guarantee that the screw shaft of ship packoff can normally move, and then guarantee its security.
2) simple to operate, need not to carry out large-scale dissembling inspection, reduced workload.Go for sealing on all kinds of screw shaft of ship measurement with the carbon ring wear extent.
Description of drawings
Fig. 1 is the vertical plane sectional structure synoptic diagram of existing submarine stern shaft seal gland;
Fig. 2 is the horizontal sectional structure synoptic diagram that bores measured hole 7 on the case lid of submarine stern shaft seal gland;
Fig. 3 is the structural representation that the utility model wear measurement mechanism is installed on submarine stern tube shaft end surface mechanical sealing device;
Fig. 4 is the structural representation of the utility model wear measurement mechanism.
Embodiment
In order to understand characteristics of the present utility model, function and effect better, existing accompanying drawings and embodiment are described in detail the utility model.
The boats and ships sealing wear measurement mechanism of carbon ring, include sounding rod 9, measure body 10, lock-screw 11, handle 12, described handle 12 is fixed in an end of sounding rod 9, handle 12 surfaces can be provided with anti-skidding line, be convenient to sounding rod 9 is rotated or the push-and-pull operation, be arranged with on the sounding rod 9 and measure body 10, measuring body 10 is hollow tube body, one end of described measurement body 10 is the step tubulose, the outer round surface of its end is provided with the external thread 15 that can screw with measured hole 7, the case lid of measuring on body 10 and the submarine stern tube shaft end surface mechanical sealing device is fixed, and the step backstop on the measurement body 10 is on the right side of measured hole 7, constituted the axial benchmark of measuring, to guarantee each time measurement data accurately and reliably.The outer wall of described measurement body 10 other ends is provided with the lock-screw 11 that can compress sounding rod 9, can lock sounding rod 9.The other end of described sounding rod 9 is provided with measuring head 8, measures pore on the body 10 and sounding rod 9 and is and is slidingly matched.Be provided with notch vertically at the middle part of measuring body 10, from notch, can be observed the sounding rod 9 in the body, be provided with scale 13 in the notch limit portion of measuring body 10 middle parts, the numerical value of scale 13 is initial increasing gradually with the notch position near external thread 15 1 sides, scale 13 should be accurate to millimeter, can be from " 0 " beginning label, also can begin to make the scale numeric indicia that increases progressively continuously from any number, the middle part of sounding rod 9 is provided with a measurement and positioning mark 14, this telltale mark 14 can be located corresponding to " 0 " of scale 13, perhaps corresponding on a certain position of scale 13, but reserve certain surplus, assurance is carried out for the second time and during later measurement, and this telltale mark 14 is also spent between 13 the numerical value at the moment.Can also on sounding rod 9, can be provided with axial notch, during measurement lock-screw 11 be passed and measure body 10 and snap in the axial notch on the sounding rod 9, better to the fixed effect of sounding rod 9.
Boats and ships seal the assembling process with the wear measurement mechanism of carbon ring: sounding rod 9 is passed from measuring body 10, again measuring head 8 and handle 12 are assembled on the end of sounding rod 9, the wheel measuring bar 9 vertically, the head of lock-screw 11 can be inserted in the axial notch on the sounding rod 9, screw lock-screw 11, play the effect of the sounding rod 9 that is locked,, then sounding rod 9 is had guide effect again if lock-screw 11 is suitably unscrewed.
When the utility model uses in reality, need on the case lid of submarine stern tube shaft end surface mechanical sealing device, bore one and run through the measured hole 7 of housing wall and in the aperture tapping, this measured hole 7 leads to the end face of carbon ring 5 assemblies always, when not using at ordinary times, can use screw and pad with measured hole 7 sealings, and when measuring, then pull down screw and pad, the external thread of measuring on the body 10 15 is screwed on measured hole 7, again sounding rod 9 is pushed in the measured hole 7, guarantee that the measuring head 8 and the end face of carbon ring 5 assemblies are adjacent to, and can observe the numerical value of 14 corresponding scales 13 of telltale mark.
The boats and ships sealing using method of the wear measurement mechanism of carbon ring:
1) at first the screw at submarine stern tube shaft end surface mechanical sealing device middle shell lid measured hole 7 positions is pulled down, the external thread 15 that will measure body 10 step pipes one side surface then is screwed into measured hole 7, and step and measured hole 7 end faces measured on the body 10 are adjacent to;
2) be assemblied in the handle 12 of sounding rod 9 one ends by stretching, measuring head 8 and end face on carbon ring 5 assemblies are adjacent to, and locking lock- screw 11,14 corresponding positions of measuring body 10 high scales 13 of telltale mark on the sounding rod 9 observed;
3) the reading Δ of measure observing 1 is carried out record, after pull down and measure body 10, load onto screw and gasket seal at measured hole 7;
4) carry out after operation a period of time measuring the second time at stern tube shaft, again pull down the screw and the pad at measured hole 7 positions, load onto and measure body 10, sounding rod 9 is moved to carbon ring 5 assembly directions, make measuring head 8 be adjacent to the end face of carbon ring 5 assemblies, the reading Δ 2 when measured the second time carries out record;
5) formula by Δ=Δ 2-Δ 1 calculates the difference DELTA of twice measurement, and gained difference DELTA and the standard value that allows wear extent are compared, and determines whether to change carbon ring 5.When the difference DELTA that measures allows the standard value of wear extent near this, show that carbon ring 5 need change soon, when the difference that measures arrives this standard value that allows wear extent, then show and must change carbon ring 5.
Claims (5)
1. boats and ships seal the wear measurement mechanism with carbon ring, it is characterized in that: include sounding rod (9), measure body (10), handle (12), described handle (12) is fixed in an end of sounding rod (9), the outer cover of sounding rod (9) is provided with measures body (10), be provided with scale (13) in the notch limit portion of measuring body (10) middle part, sounding rod (9) is gone up corresponding scale (13) and is provided with a measurement and positioning mark (14).
2. by the wear measurement mechanism of the described boats and ships sealing of claim 1 with carbon ring, it is characterized in that: the other end of described sounding rod (9) is provided with measuring head (8).
3. by the wear measurement mechanism of the described boats and ships of claim 1 sealing with carbon ring, it is characterized in that: an end of described measurement body (10) is the step tubulose, and the outer round surface of its end is provided with the external thread (15) that can screw with measured hole (7).
4. by the wear measurement mechanism of the described boats and ships sealing of claim 1 with carbon ring, it is characterized in that: the outer wall of described measurement body (10) other end is provided with the lock-screw (11) that can compress sounding rod (9).
5. by the wear measurement mechanism of the described boats and ships sealing of claim 1 with carbon ring, it is characterized in that: the surface of described handle (12) is provided with anti-skidding line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200880882U CN201093982Y (en) | 2007-11-09 | 2007-11-09 | Wear abrasion measuring mechanism of carbon ring for watercraft seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200880882U CN201093982Y (en) | 2007-11-09 | 2007-11-09 | Wear abrasion measuring mechanism of carbon ring for watercraft seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201093982Y true CN201093982Y (en) | 2008-07-30 |
Family
ID=39901951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200880882U Expired - Fee Related CN201093982Y (en) | 2007-11-09 | 2007-11-09 | Wear abrasion measuring mechanism of carbon ring for watercraft seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201093982Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108981539A (en) * | 2018-09-30 | 2018-12-11 | 广船国际有限公司 | A kind of abrasion loss method of inspection and tool |
| CN110726569A (en) * | 2019-11-19 | 2020-01-24 | 山东交通职业学院 | Automobile tire wear detection device |
-
2007
- 2007-11-09 CN CNU2007200880882U patent/CN201093982Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108981539A (en) * | 2018-09-30 | 2018-12-11 | 广船国际有限公司 | A kind of abrasion loss method of inspection and tool |
| CN110726569A (en) * | 2019-11-19 | 2020-01-24 | 山东交通职业学院 | Automobile tire wear detection device |
| CN110726569B (en) * | 2019-11-19 | 2021-06-11 | 山东交通职业学院 | Automobile tire wear detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080730 Termination date: 20131109 |