CN203249818U - Detecting device used for detecting filling material side pressure coefficient - Google Patents
Detecting device used for detecting filling material side pressure coefficient Download PDFInfo
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- CN203249818U CN203249818U CN 201320277549 CN201320277549U CN203249818U CN 203249818 U CN203249818 U CN 203249818U CN 201320277549 CN201320277549 CN 201320277549 CN 201320277549 U CN201320277549 U CN 201320277549U CN 203249818 U CN203249818 U CN 203249818U
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- housing
- gland
- cavity
- filler
- valve rod
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Abstract
The utility model relates to a detection device used for detecting filling material side pressure coefficient. The detection device comprises a housing with a cavity, a gland with a through hole, and a valve rod arranged in the through hole in a penetrating manner and inserted into the cavity of the housing, wherein a confined space for filling material storage is formed among the housing, the gland and the valve rod, a plurality of resistance strain gages electronically connected with a resistor strain gauge are arranged on the outer wall of a region of the housing, which corresponds to the confined space, and the gland is demountably connected with the housing through a bolt with a load sensor. The utility model aims to provide the detection device for detecting the filling material side pressure coefficient, which achieves measurement of side pressure coefficient of a dynamic state or a static state and a normal pressure, or pressurized state.
Description
Technical field
The utility model relates to a kind of pick-up unit for detection of the filler coefficient of horizontal pressure.
Background technology
Packing seal is mainly used in the motive seals such as process machine and equipment motion parts in the machinery industry, such as plunger or the piston rod of the rotating shaft sealing of centrifugal pump, compressor, vacuum pump, stirring machine, reactor and reciprocating pump, reciprocating compressor, and the spin valve rod of motion valve and the fixedly sealing between the body.The filler coefficient of horizontal pressure of sealing refers to the ratio of radial stress and the axial stress of stuffing-box, and it is one of major issue of filler research always.The radial stress that the size of filler coefficient of horizontal pressure is directly connected between filler and axle, filler and stuffing-box inwall distributes, thereby determines the quality of Reliability of Packing Seal.
The utility model content
For the problems referred to above, the purpose of this utility model provides a kind of pick-up unit for detection of the filler coefficient of horizontal pressure, and it has been realized dynamically or the mensuration of coefficient of horizontal pressure during static, atmospheric pressure or under pressure.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of pick-up unit for detection of the filler coefficient of horizontal pressure, it comprises that housing, the gland with through hole and with cavity are located in the described through hole and insert valve rod in the housing cavity, be formed with a confined space for the storage filler between described housing, gland and the valve rod, described housing is provided with some resistance strain gages that are electrically connected mutually with electric wire strain gauge at the outer wall with the corresponding zone of confined space, and described gland removably is connected with described housing mutually by the bolt with load transducer.
A kind of pick-up unit for detection of the filler coefficient of horizontal pressure, it comprises that housing, the gland with through hole and with cavity are located in slidably in the described through hole and insert valve rod in the housing cavity, be formed with a confined space for the storage filler between described housing, gland and the valve rod, described housing is provided with some resistance strain gages that are electrically connected mutually with electric wire strain gauge at the outer wall with the corresponding zone of confined space, and described gland removably is connected with described housing mutually by the bolt with load transducer.
A kind of pick-up unit for detection of the filler coefficient of horizontal pressure, it comprises the housing with cavity, gland and with through hole is located in the described through hole and inserts valve rod in the housing cavity, described housing, be formed with a confined space for the storage filler between gland and the valve rod, described housing is provided with some resistance strain gages that are electrically connected mutually with electric wire strain gauge at the outer wall with the corresponding zone of confined space, described gland removably is connected with described housing mutually by the bolt with load transducer, described housing also has one for the medium tube that passes into gas medium in described cavity, and described medium tube is connected with described cavity.
Preferably, be provided with a pressure transducer for the test gas pressure medium on the described medium tube.
Preferably, described load transducer is electrically connected mutually with a load display instrument.
Preferably, it also comprises some beckets that are removably disposed in the described confined space.
The utility model adopts above structure, has following advantage: by valve rod is slidably disposed in the cavity, both can test the quiet coefficient of horizontal pressure of filler when static state, and also can test the moving coefficient of horizontal pressure of filler dynamically the time; By at housing the medium tube that connects with cavity being set, can in cavity, pass into gas medium, both can test the coefficient of horizontal pressure of filler when normal pressure, also can test the coefficient of horizontal pressure that filler is depressed at band, be a kind of multi-functional filler coefficient of horizontal pressure pick-up unit.
Description of drawings
Fig. 1 is the structural representation of filler coefficient of horizontal pressure pick-up unit of the present utility model.
Among the figure: 1, housing; 2, gland; 3, valve rod; 4, bolt; 5, load transducer; 6, load display instrument; 7, resistance strain gage; 8, electric wire strain gauge; 9, medium tube; 10, pressure transducer; 11, filler; 12, becket.
Embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present utility model is described in detail, thereby so that advantage of the present utility model and feature can be easier to be those skilled in the art will recognize that protection domain of the present utility model is made more explicit defining.
Embodiment
Shown in accompanying drawing 1, a kind of pick-up unit for detection of the filler coefficient of horizontal pressure, it comprises the housing 1 with cavity, gland 2 and with through hole is located in slidably in the described through hole and inserts valve rod 3 in housing 1 cavity, described housing 1, be formed with a confined space for storage filler 11 between gland 2 and the valve rod 3, described housing 1 is provided with some resistance strain gages 7 that are electrically connected mutually with electric wire strain gauge 8 at the outer wall with the corresponding zone of confined space, and described gland 2 removably is connected with described housing 1 mutually by the bolt 4 with load transducer 5.
Described housing 1 also has one for the medium tube 9 that passes into gas medium in described cavity, and described medium tube 9 is connected with described cavity.Be provided with a pressure transducer 10 for the test gas pressure medium on the described medium tube 9.Described load transducer 5 is electrically connected mutually with a load display instrument 6, and load display instrument 6 is used for obtaining the bolt load that load transducer 5 gathers.
Should also comprise two beckets 12 that are removably disposed in the described confined space for detection of the pick-up unit of filler pressure measurement coefficient.In actual use, the user can be according to the volume of filler to be measured by being encased inside some beckets 12 in order to regulate the volume of confined space in confined space.
When adopting above-mentioned detection device to detect the quiet coefficient of horizontal pressure of filler when static state, comprise the steps:
(1), valve rod 3 is inserted in the cavity of housing 1;
(2), closely be filled to filler 11 in the confined space;
(3), valve rod 3 is passed the through hole of gland 2, and the bolt 4 of gland 2 usefulness with load transducer 5 is fixed on the housing 1;
(4), gather bolt loads by load transducer 5, calculate axial stress σ, obtain housing 1 microstrain diametrically that resistance strain gage 7 gathers by electric wire strain gauge 8, calculate radial stress q;
(5), according to formula K=σ/q, draw the quiet coefficient of horizontal pressure K1 of filler, wherein K represents coefficient of horizontal pressure.
When adopting above-mentioned detection device to detect the moving coefficient of horizontal pressure of filler dynamically the time, comprise the steps:
(1), valve rod 3 is inserted in the cavity of housing 1;
(2), closely be filled to filler 11 in the cavity;
(3), valve rod 3 is passed the through hole of gland 2, and the bolt 4 of gland 2 usefulness with load transducer 5 is fixed on the housing 1;
(4), valve rod 3 moves back and forth;
(5), gather bolt loads by load transducer 5, calculate axial stress σ, obtain housing 1 microstrain diametrically that resistance strain gage 7 gathers by electric wire strain gauge 8, calculate radial stress q;
(6), according to formula K=σ/q, draw the moving coefficient of horizontal pressure K2 of filler, wherein K represents coefficient of horizontal pressure.
Adopt above-mentioned detection device to detect the pressure measurement coefficient of filler in situation with pressure, comprise the steps:
(1), valve rod 3 is inserted in the cavity of housing 1;
(2), closely be filled to filler 11 in the cavity;
(3), valve rod 3 is passed the through hole of gland 2, and the bolt 4 of gland 2 usefulness with load transducer 5 is fixed on the housing 1;
(4), in cavity, pass into gas medium by medium tube;
(5), gather bolt loads by load transducer 5, calculate axial stress σ, obtain housing 1 microstrain diametrically that resistance strain gage 7 gathers by electric wire strain gauge 8, calculate radial stress q;
(6), according to formula K=σ/q, draw the coefficient of horizontal pressure K3 that filler is depressed at band, wherein K represents coefficient of horizontal pressure.
Gas medium in the step (4) is nitrogen or helium.
The utlity model has following advantage: by valve rod 3 is slidably disposed in the cavity, both can test the quiet coefficient of horizontal pressure of filler when static state, and also can test the moving coefficient of horizontal pressure of filler dynamically the time; By at housing 1 medium tube that connects with cavity being set, can in cavity, pass into gas medium, both can test the coefficient of horizontal pressure of filler when normal pressure, and also can test the coefficient of horizontal pressure that filler is depressed at band, be a kind of multi-functional pick-up unit for detection of the filler coefficient of horizontal pressure.
Above-described embodiment only is explanation technical conceive of the present utility model and characteristics; it is a kind of preferred embodiment; its purpose is to allow the personage who is familiar with technique can understand content of the present utility model and according to this enforcement, can not limit protection domain of the present utility model with this.All equivalences of doing according to Spirit Essence of the present utility model change or modify, and all should be encompassed within the protection domain of the present utility model.
Claims (6)
1. pick-up unit for detection of the filler coefficient of horizontal pressure, it is characterized in that: it comprises that housing, the gland with through hole and with cavity are located in the described through hole and insert valve rod in the housing cavity, be formed with a confined space for the storage filler between described housing, gland and the valve rod, described housing is provided with some resistance strain gages that are electrically connected mutually with electric wire strain gauge at the outer wall with the corresponding zone of confined space, and described gland removably is connected with described housing mutually by the bolt with load transducer.
2. pick-up unit for detection of the filler coefficient of horizontal pressure, it is characterized in that: it comprises that housing, the gland with through hole and with cavity are located in slidably in the described through hole and insert valve rod in the housing cavity, be formed with a confined space for the storage filler between described housing, gland and the valve rod, described housing is provided with some resistance strain gages that are electrically connected mutually with electric wire strain gauge at the outer wall with the corresponding zone of confined space, and described gland removably is connected with described housing mutually by the bolt with load transducer.
3. pick-up unit for detection of the filler coefficient of horizontal pressure, it is characterized in that: it comprises the housing with cavity, gland and with through hole is located in the described through hole and inserts valve rod in the housing cavity, described housing, be formed with a confined space for the storage filler between gland and the valve rod, described housing is provided with some resistance strain gages that are electrically connected mutually with electric wire strain gauge at the outer wall with the corresponding zone of confined space, described gland removably is connected with described housing mutually by the bolt with load transducer, described housing also has one for the medium tube that passes into gas medium in described cavity, and described medium tube is connected with described cavity.
4. filler coefficient of horizontal pressure pick-up unit according to claim 3 is characterized in that: be provided with a pressure transducer for the test gas pressure medium on the described medium tube.
5. described filler coefficient of horizontal pressure pick-up unit one of according to claim 1-3, it is characterized in that: described load transducer is electrically connected mutually with a load display instrument.
6. filler coefficient of horizontal pressure pick-up unit according to claim 1 is characterized in that: it also comprises some beckets that are removably disposed in the described confined space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320277549 CN203249818U (en) | 2013-05-21 | 2013-05-21 | Detecting device used for detecting filling material side pressure coefficient |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320277549 CN203249818U (en) | 2013-05-21 | 2013-05-21 | Detecting device used for detecting filling material side pressure coefficient |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203249818U true CN203249818U (en) | 2013-10-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320277549 Expired - Lifetime CN203249818U (en) | 2013-05-21 | 2013-05-21 | Detecting device used for detecting filling material side pressure coefficient |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203249818U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267670A (en) * | 2013-05-21 | 2013-08-28 | 苏州宝骅机械技术有限公司 | Detection device and method for detecting side pressure coefficient of filler |
-
2013
- 2013-05-21 CN CN 201320277549 patent/CN203249818U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267670A (en) * | 2013-05-21 | 2013-08-28 | 苏州宝骅机械技术有限公司 | Detection device and method for detecting side pressure coefficient of filler |
| CN103267670B (en) * | 2013-05-21 | 2015-06-03 | 苏州宝骅机械技术有限公司 | Detection device and method for detecting side pressure coefficient of filler |
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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: Shuangfeng Taicang city Suzhou city Jiangsu province 215415 Regal Dongan Road Economic Development Zone No. 68 Patentee after: SUZHOU BMC SEALING TECHNOLOGY CO.,LTD. Address before: Shuangfeng Taicang city Suzhou city Jiangsu province 215415 Regal Dongan Road Economic Development Zone No. 68 Patentee before: SUZHOU BAOHUA MECHANICAL TECHNOLOGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131023 |
|
| CX01 | Expiry of patent term |