CN216348861U - Gas turbine flowmeter with good sealing performance - Google Patents
Gas turbine flowmeter with good sealing performance Download PDFInfo
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- CN216348861U CN216348861U CN202122587287.0U CN202122587287U CN216348861U CN 216348861 U CN216348861 U CN 216348861U CN 202122587287 U CN202122587287 U CN 202122587287U CN 216348861 U CN216348861 U CN 216348861U
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- turbine flowmeter
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Abstract
The utility model provides a gas turbine flowmeter with good sealing performance, which comprises: the outer side wall of the shell is provided with a hole groove, and the inner wall of the hole groove is provided with a plurality of grooves; the sealing sleeve is arranged in the hole groove, a plurality of grooves are formed in the outer side wall of the sealing sleeve, and a resin layer is filled in a gap between the sealing sleeve and the hole groove; the sensor comprises a sensor body and a sensor lead, wherein the sensor body is arranged in the sealing sleeve; the pipe sleeve is sleeved on the periphery of the sensor lead and fixed on the sensor body, and a sealing glue layer is filled in a gap between the pipe sleeve and the sensor lead; the signal amplifier is connected with the sensor body through a sensor lead; and the display device is connected with the signal amplifier. The gas turbine flowmeter with good sealing performance, provided by the utility model, has the advantages of simple structure and good sealing performance, and can effectively prevent the shaking of the sensor and the breakage of the sensor lead during use and improve the measurement precision.
Description
Technical Field
The utility model relates to the technical field of gas turbine flowmeters, in particular to a gas turbine flowmeter with good sealing performance.
Background
The gas turbine flowmeter is a precise flow measuring instrument, and the working principle is that fluid flows through the shell of the flowmeter, and because the blades of the impeller and the flow direction of the fluid have a certain angle, the impulse force of the fluid makes the blades have a rotating moment. Under the action of the rotating torque, the blades start to rotate, the rotating speed of the blades is in direct proportion to the average flow velocity of the pipeline, the flow of gas in the pipeline can be obtained through calculation based on the rotating speed of the blades measured by the sensor, and the device is mainly applied to metering and control systems in the fields of petroleum, chemical engineering, metallurgy, scientific research and the like.
The gas turbine flowmeter can receive great vibrations when installation and use, causes rocking of sensor easily and the fracture and the not hard up of external conductor, and then influences the measuring result of sensor, can lead to the sensor to become invalid when serious.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention is directed to a gas turbine flowmeter with good sealing performance, so as to solve the problems mentioned in the background art.
In view of the above object, the present invention provides a gas turbine flowmeter having excellent sealing performance, comprising:
the outer side wall of the shell is provided with a hole groove, and the inner wall of the hole groove is provided with a plurality of grooves;
the sealing sleeve is arranged in the hole groove, a plurality of grooves are formed in the outer side wall of the sealing sleeve, and a resin layer is filled in a gap between the sealing sleeve and the hole groove;
the sensor comprises a sensor body and a sensor lead, wherein the sensor body is arranged in the sealing sleeve;
the pipe sleeve is sleeved on the periphery of the sensor lead and fixed on the sensor body, and a sealing glue layer is filled in a gap between the pipe sleeve and the sensor lead;
the signal amplifier is connected with the sensor body through the sensor lead;
and the display device is connected with the signal amplifier.
Further, the rotary mechanism is fixedly arranged in the shell.
Further, the rotating mechanism includes:
a shaft;
two bearings are arranged and are respectively sleeved at two ends of the shaft, the shaft rotates relative to the bearings, and the bearings are fixed in the shell through fixing pieces;
and the impeller is fixedly arranged in the middle of the shaft.
Further, the fixing member includes:
the fixing sleeve is fixedly arranged on the inner wall of the shell;
one end of the connecting rod is fixedly arranged on the bearing, and the other end of the connecting rod is fixedly arranged in the fixed sleeve;
each bearing is fixed by at least two fixing pieces.
The shaft is characterized by further comprising a fluid director, wherein the fluid director is provided with rhombic guide vanes and is arranged at two ends of the shaft.
Furthermore, a plurality of grooves are arranged on the inner wall of the hole groove in a +/-45-degree staggered mode, and the grooves are in an equilateral triangle shape.
Furthermore, the display device also comprises a support frame, one end of the support frame is fixedly arranged at the position of the hole groove on the shell, and the other end of the support frame is fixedly connected with the display device.
Further, still include the fixing base, fixing base fixed mounting in the inside wall of support frame, signal amplifier installs on the fixing base.
Furthermore, the upper end of the sealing sleeve is provided with a clamping ring extending outwards, and the clamping ring is used for clamping the sealing sleeve in the hole groove.
From the above, it can be seen that the gas turbine flowmeter with good sealing performance provided by the utility model has the advantages that the grooves with the angle of +/-45 degrees are staggered on the inner wall of the hole groove, the grooves with the shapes of a plurality of equilateral triangles are arranged on the outer side wall of the sealing sleeve, and the resin layer is filled in the gap between the hole groove and the sealing sleeve, so that the sensor is firmly sealed in the hole groove, the shaking generated during the installation or the gas impact is avoided, in addition, the pipe sleeve is arranged at one end of the sensor lead, and the sealing glue layer is filled in the gap between the pipe sleeve and the lead, the breakage or looseness of the sensor lead at the root during the installation or the gas impact is avoided, and further, the measurement precision and the service life of the sensor are improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a gas turbine flowmeter with good sealing performance according to an embodiment of the utility model;
FIG. 2 is a schematic diagram of an internal structure of a groove according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of the sealing sleeve according to the embodiment of the utility model.
Description of the drawings: 1. a display device; 2. a support frame; 3. a signal amplifier; 4. a signal amplifier lead; 5. a fixed seat; 6. a temperature and humidity sensor; 7. a signal sensor; 8. a hole groove; 9. a resin layer; 10. sealing sleeves; 11. pipe sleeve; 12. a housing; 13. a fluid director; 14. a blade; 15. a rotating mechanism; 15-1, an impeller; 15-2, a shaft; 15-3, a bearing; 16. a fixing member; 16-1, fixing sleeves; 16-2, connecting rod; 17. a snap ring; 18. and (4) a groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings.
It should be noted that technical terms or scientific terms used in the embodiments of the present invention should have the ordinary meanings as understood by those having ordinary skill in the art to which the present invention belongs, unless otherwise defined. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
Referring to fig. 1 and 2, the present invention provides a gas turbine flowmeter having excellent sealing performance, including: the shell 12 is provided with a hole groove 8 on the outer side wall, and the inner wall of the hole groove 8 is provided with a plurality of grooves; the sealing sleeve 10 is installed in the hole groove 8, a plurality of grooves 18 are formed in the outer side wall of the sealing sleeve 10, and a resin layer 9 is filled in a gap between the sealing sleeve 10 and the hole groove 8; the sensor comprises a temperature and humidity sensor 6 and a signal sensor 7, each sensor comprises a sensor body and a sensor lead, and the sensor bodies are arranged in the sealing sleeves 10; a pipe sleeve 11, which is sleeved on the periphery of the sensor lead and fixed on the sensor body, and a sealing adhesive layer (not shown in the figure) is filled in a gap between the pipe sleeve 11 and the sensor lead; the signal amplifier 3 is connected with the sensor body through the sensor lead; and the display device 1 is connected with the signal amplifier 3.
Specifically, two ends of the housing 12 are connected to a gas pipeline, a valve is disposed on the pipeline, the valve is opened, and gas flows to the housing 12 through the pipeline. Two hole grooves 8 are formed in the outer side wall of the shell 12, the size of each hole groove 8 is matched with the sealing sleeve 10, grooves are machined in the inner walls of the hole grooves 8 through mechanical tools, and the inner walls of the hole grooves 8 are fully distributed in the grooves.
The two sealing sleeves 10 are arranged, the grooves 18 with equal intervals are formed in the outer side walls of the two sealing sleeves 10, the size and the shape of each sealing sleeve 10 are matched with those of the temperature and humidity sensor 6 and the signal sensor 7, the temperature and humidity sensor 6 and the signal sensor 7 are placed in the two sealing sleeves 10 respectively, and the two sealing sleeves 10 are installed in the two hole grooves 8 correspondingly. Preparing an injection tool with a thin needle, fully sucking resin by the injection tool, injecting the resin into a gap between the sealing sleeve 10 and the hole groove 8 by the injection tool to form a resin layer 9, wherein the groove is fully distributed on the inner side wall of the hole groove 8, the groove 18 is formed on the outer side wall of the sealing sleeve 10, the groove and the groove 18 are fully filled with the resin, and the sealing sleeve 10 can be firmly connected with the hole groove 8 on the shell after the resin is cured.
In the present embodiment, the resin used is a fast-curing resin which cures at normal temperature and is easy to handle.
In this embodiment, the number of the sensors is two, and the two sensors are the temperature and humidity sensor 6 and the signal sensor 7, respectively, the signal sensor 7 is used for converting the mechanical rotation signal of the rotating mechanism 15 into an electric pulse signal to be output, and the temperature and humidity sensor is used for detecting the temperature and humidity in the casing and outputting the temperature and humidity signal.
In this embodiment, two pipe sleeves 11 are provided, each pipe sleeve 11 is a hollow circular pipe made of rubber and having an inner diameter of 20mm, an outer diameter of 25mm and a height of 30mm, the two pipe sleeves 11 are respectively sleeved on the peripheries of the leads of the temperature and humidity sensor 6 and the signal sensor 7 and fixed on the sensor body, and a sealing adhesive layer is filled in a gap between each pipe sleeve 11 and the corresponding sensor lead to seal and fix the sensor lead.
The temperature and humidity sensor 6 and the signal sensor 7 are connected with the signal amplifier 3 through sensor leads, the signal amplifier 3 is connected with the display device 1 through a signal amplifier lead 4 and used for amplifying signals transmitted by the temperature and humidity sensor 6 and the signal sensor 7 and transmitting the amplified signals to the display device 1, and the gas flow in the shell in unit time can be obtained through processing observed data on the display device.
Through the technical scheme in this embodiment, can firmly seal the sensor in hole groove 8, avoid when the installation or the moment that the gas flow enters the casing, cause the sensor to rock, through the packing sealed glue in the clearance of pipe box 11 with the sensor wire, avoid the not hard up or the fracture of the sensor wire that probably causes when installing and using this sensor, and then improve the measurement accuracy and the service life of sensor.
In some embodiments, the gas turbine flowmeter with good sealing performance further comprises a rotating mechanism 15, and the rotating mechanism 15 is fixedly installed in the shell 12.
The rotating mechanism 15 is fixedly installed in the housing 12, and when the gas flows into the housing 12, the rotating mechanism 15 is driven to rotate, so that the kinetic energy of the fluid is converted into the mechanical energy of the rotating mechanism 15, wherein the angular velocity of the rotation of the rotating mechanism 15 is proportional to the flow velocity of the gas.
In some embodiments, the rotating mechanism 15 includes: shaft 15-2; two bearings 15-3 are respectively sleeved at two ends of the shaft 15-2, the shaft 15-2 rotates relative to the bearings 15-3, and the bearings 15-3 are fixed in the shell 12 through fixing pieces 16; and the impeller 15-1 is fixedly arranged in the middle of the shaft 15-2.
Specifically, the impeller 15-1 is a straight blade made of aluminum alloy, the fluid impacts the impeller 15-1 to rotate, the impeller 15-1 is located in a magnetic field of the signal sensor 7 due to magnetic conductivity of the impeller 15-1, the impeller 15-1 cuts magnetic lines of force when rotating, magnetic flux of a coil is changed periodically, electric pulse signals are induced at two ends of the coil, the signal sensor 7 transmits the electric pulse signals to the signal amplifier 3, and then the electric pulse signals are transmitted to the display device 1 through the signal amplifier 3.
In this embodiment, the impeller 15-1 has two straight blades.
In some embodiments, the fixture 16 includes: the fixed sleeve 16-1 is fixedly arranged on the inner wall of the shell 12; one end of the connecting rod 16-2 is fixedly arranged on the bearing 15-3, the other end of the connecting rod is fixedly arranged in the fixed sleeve 16-1, and each bearing 15-3 is fixed by at least two fixing pieces 16.
Specifically, the fixing sleeve 16-1 is fixedly connected with the connecting rod 16-2 through threads, and the fixing sleeve 16-1 is fixedly connected with the shell 12 through screws. In this embodiment, each bearing 15-3 is fixed by two fixing members 16.
Through the technical scheme in the embodiment, the rotating mechanism 15 can be fixed in the shell 12 in a balanced and stable manner, the fixing sleeve 16-1 is fixed on the inner wall of the shell 12 through screws, and the scheme is different from the scheme that the fixing sleeve 16-1 penetrates through the shell 12 and is fixed on the outer wall of the shell 12, so that the damage to the shell 12 is smaller, and the sealing performance of the gas turbine flowmeter is further improved. In some embodiments, the gas turbine flowmeter with good sealing performance further comprises a flow guider 13, wherein the flow guider 13 is provided with rhombic guide vanes, and the flow guider 13 is installed at two ends of the shaft 15-2.
Specifically, the fluid director 13 is made of a non-magnetic material and is arranged at two ends of the shaft 15-2 to play a role in guiding and rectifying the fluid, so that the influence of accidental disturbance on the impeller 15-2 is avoided.
In this embodiment, the fluid director 13 is provided with two diamond-shaped guide vanes, which can provide better rectification effect for the fluid.
In some embodiments, as shown in fig. 2 and 3, a plurality of grooves are arranged in a staggered manner of ± 45 ° on the inner wall of the hole 8, and the grooves 18 have an equilateral triangle shape.
Specifically, grooves with the angle of +/-45 degrees are fully distributed on the inner wall of the hole groove 8, and the depth is 3 mm. The grooves 18 are arranged on the outer side wall of the sealing sleeve 10 at equal intervals, after resin is injected into a gap between the hole groove 8 and the sealing sleeve 10, the resin can fill the grooves on the inner wall of the hole groove 8 and the grooves 18 on the outer side wall of the sealing sleeve 10 to form a resin layer 9, the resin layer 9 can firmly fix the sealing sleeve 10 in the hole groove 8 of the shell 12, and the phenomenon that the sensor in the shell 12 shakes during installation and use of the flow meter is avoided, so that the measurement accuracy is improved.
In some embodiments, the gas turbine flowmeter with good sealing performance further includes a supporting frame 2, one end of the supporting frame 2 is fixedly installed at the position of the hole slot 8 on the casing 12, and the other end of the supporting frame 2 is fixedly connected with the display device 1.
Specifically, a step-shaped hollow cavity is arranged in the support frame 2, the lower end of the support frame 2 is wrapped on the periphery of the position where the hole groove 8 is formed in the casing 12 and is fixed on the casing 12 through a screw, and the upper end of the support frame 2 is fixed on the display device 1 through a screw.
In some embodiments, the gas turbine flowmeter with good sealing performance further comprises a fixed seat 5, the fixed seat 5 is fixedly installed on the inner side wall of the support frame 2, and the signal amplifier 3 is installed on the fixed seat 5.
Specifically, fixing base 5 passes through screw fixed mounting at the inside wall of support frame 2, and signal amplifier 3 installs on fixing base 5, and the lower terminal surface of fixing base 5 is seted up porosely for the sensor wire passes through this hole and is connected with signal amplifier 3.
In some embodiments, as shown in fig. 3, the sealing sleeve 10 is provided with an outwardly extending snap ring 17 at the upper end thereof, and the snap ring 17 is used for clamping the sealing sleeve 10 in the hole groove 8.
Specifically, the width of the snap ring 17 is larger than the gap between the sealing sleeve 10 and the hole groove 8, and the sealing sleeve 10 can be clamped in the hole groove 8 through the snap ring 17.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to those examples; within the idea of the utility model, also features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the utility model as described above, which are not provided in detail for the sake of brevity.
The embodiments of the utility model are intended to embrace all such alternatives, modifications and variances that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements and the like that may be made without departing from the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (9)
1. A gas turbine flowmeter having excellent sealing performance, comprising:
the outer side wall of the shell is provided with a hole groove, and the inner wall of the hole groove is provided with a plurality of grooves;
the sealing sleeve is arranged in the hole groove, a plurality of grooves are formed in the outer side wall of the sealing sleeve, and a resin layer is filled in a gap between the sealing sleeve and the hole groove;
the sensor comprises a sensor body and a sensor lead, wherein the sensor body is arranged in the sealing sleeve;
the pipe sleeve is sleeved on the periphery of the sensor lead and fixed on the sensor body, and a sealing glue layer is filled in a gap between the pipe sleeve and the sensor lead;
the signal amplifier is connected with the sensor body through the sensor lead;
and the display device is connected with the signal amplifier.
2. The well-sealed gas turbine flowmeter of claim 1, further comprising a rotating mechanism fixedly mounted within the housing.
3. A good seal gas turbine flowmeter according to claim 2 wherein said rotation mechanism comprises:
a shaft;
two bearings are arranged and are respectively sleeved at two ends of the shaft, the shaft rotates relative to the bearings, and the bearings are fixed in the shell through fixing pieces;
and the impeller is fixedly arranged in the middle of the shaft.
4. A good seal gas turbine flowmeter according to claim 3, wherein said fixture comprises:
the fixing sleeve is fixedly arranged on the inner wall of the shell;
one end of the connecting rod is fixedly arranged on the bearing, and the other end of the connecting rod is fixedly arranged in the fixed sleeve;
each bearing is fixed by at least two fixing pieces.
5. The gas turbine flowmeter with good sealing performance according to claim 3, further comprising a flow director, wherein the flow director is provided with rhombic guide vanes, and the flow director is installed at two ends of the shaft.
6. The gas turbine flowmeter as set forth in claim 1, wherein said plurality of grooves are arranged alternately at ± 45 ° on the inner wall of said bore, and said grooves are in the shape of equilateral triangles.
7. The gas turbine flowmeter with good sealing performance according to claim 1, further comprising a support frame, wherein one end of the support frame is fixedly installed at the position where the hole groove is formed in the casing, and the other end of the support frame is fixedly connected with the display device.
8. The gas turbine flowmeter with good sealing performance of claim 7, further comprising a fixing seat, wherein the fixing seat is fixedly installed on the inner side wall of the supporting frame, and the signal amplifier is installed on the fixing seat.
9. The gas turbine flowmeter as set forth in claim 1, wherein said sealing sleeve has an outwardly extending snap ring at an upper end thereof for snap-fitting said sealing sleeve into said bore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122587287.0U CN216348861U (en) | 2021-10-26 | 2021-10-26 | Gas turbine flowmeter with good sealing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122587287.0U CN216348861U (en) | 2021-10-26 | 2021-10-26 | Gas turbine flowmeter with good sealing performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216348861U true CN216348861U (en) | 2022-04-19 |
Family
ID=81130148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122587287.0U Active CN216348861U (en) | 2021-10-26 | 2021-10-26 | Gas turbine flowmeter with good sealing performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216348861U (en) |
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2021
- 2021-10-26 CN CN202122587287.0U patent/CN216348861U/en active Active
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Address after: 300112 No. 6-6, Yan'an Road, Nankai District, Tianjin Patentee after: Tianjin Suner Technology Co.,Ltd. Address before: 300112 No. 6-6, Yan'an Road, Nankai District, Tianjin Patentee before: TIANJIN SURE INSTRUMENT SCIENCE & TECHNOLOGY Co.,Ltd. |