CN217687874U - High-precision natural gas flow measuring device for gas turbine performance test - Google Patents
High-precision natural gas flow measuring device for gas turbine performance test Download PDFInfo
- Publication number
- CN217687874U CN217687874U CN202221675180.XU CN202221675180U CN217687874U CN 217687874 U CN217687874 U CN 217687874U CN 202221675180 U CN202221675180 U CN 202221675180U CN 217687874 U CN217687874 U CN 217687874U
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- Prior art keywords
- butt joint
- cover
- leather hose
- fixedly connected
- nipple
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- 239000007789 gas Substances 0.000 title claims abstract description 49
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 239000003345 natural gas Substances 0.000 title claims abstract description 15
- 238000011056 performance test Methods 0.000 title claims abstract description 15
- 239000010985 leather Substances 0.000 claims abstract description 52
- 210000001503 joint Anatomy 0.000 claims abstract description 49
- 210000002445 nipple Anatomy 0.000 claims abstract description 15
- 238000001125 extrusion Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 230000008602 contraction Effects 0.000 abstract description 4
- 238000003032 molecular docking Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 2
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Abstract
The utility model belongs to the technical field of gas flowmeter, a high accuracy natural gas flow measuring device is used in gas turbine performance test is disclosed, including gas flowmeter, gas flowmeter's side fixedly connected with is to the nipple, there is the tight cover of receipts to the outer end slidable mounting of nipple, the outside movable contact of butt joint nipple has the operation cover, operation cover and butt joint nipple threaded connection, the outer end movable sleeve of butt joint nipple has the leather hose, receive tight cover and leather hose contact. The utility model discloses revolve and twist the operation cover, make the operation cover remove to the gas flowmeter direction along the butt joint mouth, utilize the frictional force effect of leather hose to be in tightening up the cover, utilize the operation cover to remove to the gas flowmeter direction along tightening up the cover simultaneously for the cover is tightened up to the internal contraction of operation cover, further presss from both sides tight leather hose through tightening up the cover, drives the leather hose further cover simultaneously to the butt joint mouth, and firmness and leakproofness between guarantee butt joint mouth and the leather hose have ensured leakproofness and firmness when having made things convenient for the butt joint leather hose.
Description
Technical Field
The utility model belongs to the technical field of gas flowmeter, especially, relate to a high accuracy natural gas flow measuring device is used in gas turbine performance test.
Background
During the performance test of the gas turbine, a gas flowmeter which is convenient to install is usually adopted for testing, and the gas flowmeter is disassembled after the test is finished and then used for other tests.
Because the pipeline of convenient to detach installation mainly makes frictional force diminish through reducing pipeline pressure, and the pressure between pipeline and the gas is less than flowmeter commonly used, and the leakproofness reduces relatively, has trace tolerance to run off during the test, causes the test result error to increase to cause the problem that conventional convenient to detach installation gas flowmeter precision is on the low side.
Therefore, the high-precision natural gas flow measuring device for the performance test of the gas turbine is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the conventional convenient-to-detach installation gas flowmeter precision is low on the low side in the prior art. And the high-precision natural gas flow measuring device for the performance test of the gas turbine is provided.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a high accuracy natural gas flow measuring device is used in test of gas turbine performance, includes the gas flowmeter, the side fixedly connected with of gas flowmeter is to the nipple, there is the cover of tightening to the outer end slidable mounting of nipple, there is the operation cover to the outside movable contact of nipple, operation cover and butt joint nipple threaded connection, the outer end movable sleeve of butt joint nipple has the leather hose, tighten the cover and the leather hose contact.
Twist and twist the operation cover, make the operation cover remove to the gas flowmeter direction along the butt joint mouth, utilize the frictional force effect of leather hose to be used for tightening up the cover, utilize the operation cover to remove to the gas flowmeter direction along tightening up the cover simultaneously for the operation cover is to the internal contraction tightening cover, further presss from both sides tight leather hose through tightening up the cover, drives the leather hose and further overlaps to the butt joint mouth simultaneously, and firmness and leakproofness between guarantee butt joint mouth and the leather hose have made things convenient for when docking the leather hose has ensured leakproofness and firmness.
Preferably, the butt joint mouth includes a screw thread section of thick bamboo, butt joint pipe and guiding tube, butt joint pipe fixed connection is in the one end of a screw thread section of thick bamboo, guiding tube fixed connection is in the one end of a butt joint pipe dorsad screw thread section of thick bamboo, a screw thread section of thick bamboo, butt joint pipe and guiding tube inner space communicate with each other.
When the tightening sleeve drives the leather hose to the butt joint pipe along the guide pipe sleeve, the butt joint nozzle is convenient to butt joint with the leather hose, and the butt joint pipe is inserted into the leather hose to further improve the tightness of the butt joint pipe.
Preferably, the butt joint nozzle further comprises a flange, and the flange is fixedly connected to the outer end of one side, back to the butt joint pipe, of the threaded cylinder.
The butt joint nozzle is convenient to be connected with the gas flowmeter in a thread sealing way through the flange.
Preferably, the tightening sleeve comprises a sliding ring, three spring plates and three clamping plates, one end of each spring plate is fixedly connected with the sliding ring, and the other end of each spring plate is fixedly connected with the corresponding clamping plate.
The frictional force through splint and leather hose is greater than the frictional force between operation cover and the splint for the operation cover is preferred to be removed to gas flowmeter direction along splint, has made things convenient for to tighten up the cover and has further pressed to the leather hose.
Preferably, the tightening sleeve further comprises anti-slip strips, and the anti-slip strips are uniformly and fixedly connected to the inner ends of the clamping plates.
The friction force between the clamping plate and the leather hose is increased through the anti-slip strips, and the firmness of clamping the leather hose by the clamping plate is further improved.
Preferably, the operating sleeve comprises a connecting sleeve, an extrusion sleeve and a threaded ring, one end of the connecting sleeve is fixedly connected to the outer end of the threaded ring, and the other end of the connecting sleeve is fixedly connected with the extrusion sleeve.
The threaded ring is screwed to move towards the flange along the threaded cylinder, the connecting sleeve is driven by the threaded ring to drive the extrusion sleeve to move towards the elastic piece along the clamping plate, so that the clamping plate clamps the leather hose, and the operation sleeve is convenient to control the tightening sleeve to clamp the leather hose.
Preferably, the outer end of the threaded ring is provided with anti-skid threads.
The friction force between the threaded ring and the hand is increased through the anti-slip threads, and the manual screwing of the threaded ring is facilitated.
To sum up, the utility model discloses a technological effect and advantage: 1. twist the operation cover soon, make the operation cover remove to the gas flowmeter direction along the butt joint mouth, utilize the frictional force effect of leather hose to be in tightening the cover, utilize the operation cover to remove to the gas flowmeter direction along tightening up the cover simultaneously for the operation cover is to the internal contraction tightening cover, further presss from both sides tight leather hose through tightening up the cover, drives the leather hose further cover simultaneously and to the butt joint mouth, guarantees firmness and leakproofness between butt joint mouth and the leather hose, has made things convenient for when butt joint leather hose to ensure leakproofness and firmness.
2. The frictional force through splint and leather hose is greater than the frictional force between operation cover and the splint for the operation cover is preferred to be removed to gas flowmeter direction along splint, has made things convenient for to tighten up the cover and has further pressed to the leather hose.
3. The threaded ring is screwed to move towards the flange along the threaded cylinder, the connecting sleeve is driven by the threaded ring to drive the extrusion sleeve to move towards the elastic piece along the clamping plate, so that the clamping plate clamps the leather hose, and the operation sleeve is convenient to control the tightening sleeve to clamp the leather hose.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the butt joint structure of the present invention;
FIG. 3 is a schematic view of the structure of the tightening sleeve of the present invention;
fig. 4 is a schematic view of the cutting structure of the operation sleeve of the present invention.
In the figure: 1. a gas flow meter; 2. a butt joint mouth; 3. tightening the sleeve; 4. an operating sleeve; 5. a leather hose; 21. a flange; 22. a threaded barrel; 23. butt-joint pipes; 24. a guide tube; 31. a slip ring; 32. a spring plate; 33. a splint; 34. anti-slip strips; 41. connecting sleeves; 42. extruding a sleeve; 43. a threaded ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1, a high-precision natural gas flow measuring device for a gas turbine performance test includes a gas flow meter 1, a butt joint nozzle 2 is fixedly connected to a side end of the gas flow meter 1, a tightening sleeve 3 is slidably mounted at an outer end of the butt joint nozzle 2, an operating sleeve 4 is movably contacted with an outer portion of the butt joint nozzle 2, the operating sleeve 4 is in threaded connection with the butt joint nozzle 2, a leather hose 5 is movably sleeved at an outer end of the butt joint nozzle 2, and the tightening sleeve 3 is contacted with the leather hose 5. During the use, revolve and twist operation cover 4, make operation cover 4 remove to 1 direction of gas flowmeter along butt joint mouth 2, utilize the frictional force effect of leather hose 5 to be used for tightening up cover 3, utilize operation cover 4 to remove to 1 direction of gas flowmeter along tightening up cover 3 simultaneously for operation cover 4 is to the internal contraction tightening up cover 3, further presss from both sides tight leather hose 5 through tightening up cover 3, drives leather hose 5 further cover simultaneously to butt joint mouth 2, guarantees firmness and leakproofness between butt joint mouth 2 and the leather hose 5.
Referring to fig. 2, the docking nozzle 2 includes a threaded cylinder 22, a docking pipe 23 and a guide pipe 24, the threaded cylinder 22 is fixedly installed at an outer end of the gas flowmeter 1, the gas flowmeter 1 is communicated with an inner space of the threaded cylinder 22, the docking pipe 23 is fixedly connected to one end of the threaded cylinder 22, the guide pipe 24 is fixedly connected to one end of the docking pipe 23 opposite to the threaded cylinder 22, and inner spaces of the threaded cylinder 22, the docking pipe 23 and the guide pipe 24 are communicated with each other. The operating sleeve 4 is connected with the thread cylinder 22 in a thread way, and the leather tube 5 is sleeved on the outer wall of the guide tube 24.
Referring to fig. 1 and 2, the butt joint nozzle 2 further includes a flange 21, the flange 21 is in threaded connection with the gas flowmeter 1, and the flange 21 is fixedly connected to an outer end of one side of the threaded cylinder 22, which is opposite to the butt joint pipe 23. The threaded cylinder 22 is in threaded sealing connection with the gas flowmeter 1 through the flange 21.
Referring to fig. 1, 2 and 3, the tightening sleeve 3 includes a sliding ring 31, three elastic sheets 32 and three clamping plates 33, the sliding ring 31 is slidably sleeved on the outer walls of the threaded cylinder 22 and the butt pipe 23, the clamping plates 33 are in contact with the leather hose 5, one end of each elastic sheet 32 is fixedly connected with the sliding ring 31, and the other end of each elastic sheet 32 is fixedly connected with the clamping plate 33. By virtue of the fact that the friction between the clamping plate 33 and the leather hose 5 is greater than the friction between the operating sleeve 4 and the clamping plate 33, the operating sleeve 4 is preferentially displaced along the clamping plate 33 in the direction of the gas flowmeter 1, so that the clamping sleeve 3 can be pressed further against the leather hose 5.
Referring to fig. 1 and 3, the tightening sleeve 3 further includes anti-slip strips 34, and the anti-slip strips 34 are uniformly and fixedly connected to the inner ends of the clamping plates 33. The friction between the clamping plate 33 and the leather hose 5 is increased by the anti-slip strips 34.
Referring to fig. 1, 2, 3 and 4, the operating sleeve 4 includes a connecting sleeve 41, an extruding sleeve 42 and a threaded ring 43, the extruding sleeve 42 is slidably sleeved on the outer wall of the clamping plate 33, the threaded ring 43 is movably contacted with the sliding ring 31, the threaded ring 43 is threadedly mounted on the outer end of the threaded barrel 22, one end of the connecting sleeve 41 is fixedly connected to the outer end of the threaded ring 43, and the other end of the connecting sleeve 41 is fixedly connected with the extruding sleeve 42. The threaded ring 43 is screwed, so that the threaded ring 43 moves towards the flange 21 along the threaded cylinder 22, the connecting sleeve 41 is driven by the threaded ring 43, the connecting sleeve 41 drives the extrusion sleeve 42 to move towards the elastic sheet 32 along the clamping plate 33, and the clamping plate 33 clamps the leather hose 5.
Referring to fig. 4, the outer end of the threaded ring 43 is provided with anti-slip threads. The friction between the threaded ring 43 and the hand is increased by the anti-slip threads.
The working principle is as follows: and (3) screwing the threaded ring 43 to enable the threaded ring 43 to move towards the flange 21 along the threaded barrel 22, driving the connecting sleeve 41 through the threaded ring 43, enabling the connecting sleeve 41 to drive the extrusion sleeve 42 to move towards the elastic sheet 32 along the clamping plate 33, enabling the clamping plate 33 to clamp the leather hose 5, and enabling the operating sleeve 4 to preferentially move towards the gas flowmeter 1 along the clamping plate 33 by utilizing the fact that the friction force between the clamping plate 33 and the leather hose 5 is greater than the friction force between the operating sleeve 4 and the clamping plate 33, so that the tightening sleeve 3 can further press towards the leather hose 5, and meanwhile, driving the leather hose 5 to further tighten, and enabling the leather hose 5 to be sleeved at the outer end of the butt joint pipe 23.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a gas turbine performance test is with high accuracy natural gas flow measuring device which characterized in that: including gas flowmeter (1), the side fixedly connected with of gas flowmeter (1) is to nipple (2), the outer end slidable mounting of nipple (2) has tightening sleeve (3), the outside movable contact of nipple (2) has operation cover (4), operation cover (4) and nipple (2) threaded connection, the outer end movable sleeve of nipple (2) has leather hose (5), tightening sleeve (3) and leather hose (5) contact.
2. The high-precision natural gas flow measuring device for the performance test of the gas turbine as claimed in claim 1, wherein: the butt joint mouth (2) comprises a threaded cylinder (22), a butt joint pipe (23) and a guide pipe (24), the butt joint pipe (23) is fixedly connected to one end of the threaded cylinder (22), the guide pipe (24) is fixedly connected to one end of the butt joint pipe (23) back to the threaded cylinder (22), and the threaded cylinder (22), the butt joint pipe (23) and the guide pipe (24) are communicated with each other in the inner space.
3. The high-precision natural gas flow measuring device for the performance test of the gas turbine as claimed in claim 2, wherein: the butt joint nozzle (2) further comprises a flange (21), and the flange (21) is fixedly connected to the outer end, back to the butt joint pipe (23), of one side of the threaded barrel (22).
4. The high-precision natural gas flow measuring device for the performance test of the gas turbine as claimed in claim 1, wherein: the tightening sleeve (3) comprises a sliding ring (31), an elastic sheet (32) and a clamping plate (33), the number of the elastic sheet (32) and the number of the clamping plate (33) are three, one end of the elastic sheet (32) is fixedly connected with the sliding ring (31), and the other end of the elastic sheet (32) is fixedly connected with the clamping plate (33).
5. The high-precision natural gas flow measuring device for the performance test of the gas turbine as claimed in claim 4, wherein: the tightening sleeve (3) further comprises anti-slip strips (34), and the anti-slip strips (34) are uniformly and fixedly connected to the inner end of the clamping plate (33).
6. The high-precision natural gas flow measuring device for the performance test of the gas turbine as claimed in claim 1, wherein: the operation cover (4) comprises a connecting sleeve (41), an extrusion cover (42) and a threaded ring (43), one end of the connecting sleeve (41) is fixedly connected to the outer end of the threaded ring (43), and the other end of the connecting sleeve (41) is fixedly connected with the extrusion cover (42).
7. The high-precision natural gas flow measuring device for the gas turbine performance test as recited in claim 6, wherein: the outer end of the threaded ring (43) is provided with anti-skid threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221675180.XU CN217687874U (en) | 2022-06-30 | 2022-06-30 | High-precision natural gas flow measuring device for gas turbine performance test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221675180.XU CN217687874U (en) | 2022-06-30 | 2022-06-30 | High-precision natural gas flow measuring device for gas turbine performance test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217687874U true CN217687874U (en) | 2022-10-28 |
Family
ID=83714679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221675180.XU Active CN217687874U (en) | 2022-06-30 | 2022-06-30 | High-precision natural gas flow measuring device for gas turbine performance test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217687874U (en) |
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2022
- 2022-06-30 CN CN202221675180.XU patent/CN217687874U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |