CN215726585U - Rotary sealing device for spraying test - Google Patents
Rotary sealing device for spraying test Download PDFInfo
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- CN215726585U CN215726585U CN202122205938.5U CN202122205938U CN215726585U CN 215726585 U CN215726585 U CN 215726585U CN 202122205938 U CN202122205938 U CN 202122205938U CN 215726585 U CN215726585 U CN 215726585U
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Abstract
The utility model provides a rotary sealing device for a spray test, belongs to the technical field of spray test devices, and is used for solving the technical problem that the spray angle and the spray position of the existing spray test equipment are difficult to adjust. The device comprises a test chamber body and a test piece, wherein a rotary sealing assembly is arranged on a left end cover, the rotary sealing assembly comprises a scale rotary hand wheel, a sealing rotary shaft, a sealing flange, a universal joint coupler, a pipe clamp adapter and an adjustable pipe clamp, the sealing rotary shaft is rotatably connected with the sealing flange and is connected with the scale rotary hand wheel, the sealing rotary shaft is connected with the universal joint coupler, the universal joint coupler is connected with the pipe clamp adapter, the adjustable pipe clamp is connected with the pipe clamp adapter, the test piece is connected with the adjustable pipe clamp, a test piece position plate is arranged in the test chamber body, and a plurality of test piece mounting hole sites are arranged on the test piece position plate; this device can be according to the distance and the angle demand that spray the point difference and carry out the accurate regulation of the position and the angle of testing the piece.
Description
Technical Field
The utility model belongs to the technical field of spray test devices, and relates to a rotary sealing device for a spray test.
Background
The spray test device is mainly used for testing the performance of a test piece in different test environments, the existing spray test equipment is in a fixed structure when testing the test piece, the test piece is very inconvenient to adjust according to the angle and the position of spray, and the measured data is inaccurate easily.
Therefore, a spraying test device capable of accurately and conveniently adjusting the spraying position and angle is developed, so that the measurement accuracy of test data is improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems in the prior art, and provides a rotary sealing device for a spray test, which aims to solve the technical problems that: how to realize the accurate regulation of the spraying position and the angle of the spraying test device.
The purpose of the utility model can be realized by the following technical scheme:
a rotary sealing device for a spray test comprises a test chamber body and a test piece, wherein a left end cover and a right end cover are respectively arranged at two ends of the test chamber body, a spray opening for mounting the spray device is arranged at the upper end of the test chamber body, a rotary sealing assembly is arranged on the left end cover and comprises a scale rotary hand wheel, a sealing rotary shaft, a sealing flange, a universal joint coupler, a pipe clamp adapter and an adjustable-diameter pipe clamp, the sealing flange is mounted on the left end cover through a second fixing screw and is rotatably connected with the sealing flange, one end of the sealing rotary shaft extends out of the sealing flange and is connected with the scale rotary hand wheel, the other end of the sealing rotary shaft is connected with one end of the universal joint coupler, the other end of the universal joint coupler is connected with the pipe clamp adapter, the adjustable-diameter pipe clamp is connected with the pipe clamp adapter, one end of the test piece is connected with the adjustable-diameter pipe clamp, a test piece position plate is arranged in the test chamber body, the test piece position plate is provided with a plurality of test piece mounting hole positions, and the other end of the test piece penetrates through the test piece position plate.
The working principle of the utility model is as follows: when a spraying experiment is carried out on a test piece, one end of the test piece is fixed in the adjustable-diameter pipe clamp, the other end of the test piece penetrates through the test piece position plate, the test piece position plate plays a supporting role on the test piece, the scale rotating hand wheel is rotated to drive the sealing rotating shaft to rotate, the sealing rotating shaft drives the universal joint coupler to rotate, and the adjustable-diameter pipe clamp rotates to drive the test piece to rotate, so that the spraying angle is adjusted; the position of the test piece in the test piece position plate is adjusted, so that the spraying position can be adjusted.
The bearing sealing structure is characterized in that a pair of bearings are mounted on the sealing rotating shaft, a sealing groove is formed in the sealing rotating shaft, a rotary sealing ring is mounted in the sealing groove, the bearings and the rotary sealing ring are located at the joint of the sealing rotating shaft and the sealing flange, a static sealing ring is arranged at the joint of the sealing flange and the left end cover, a bearing gland for limiting the axial displacement of the bearing is arranged on the outer side of the bearing, and the bearing gland is connected with the sealing flange through a first fixing screw.
By adopting the structure, the sealing rotating shaft is connected with the sealing flange through the bearing, the rotation adjustment of the sealing rotating shaft is convenient, and the sealing performance of the rotating position can be ensured by arranging the rotary sealing ring at the joint.
And a scale pointer is arranged above the scale rotating hand wheel, the scale pointer is fixed on the bearing gland, and an angle dial gauge is arranged on the scale rotating hand wheel.
By adopting the structure, the rotation angle of the scale rotating hand wheel can be accurately adjusted by observing the scale information indicated by the scale pointer, so that the rotation angle of the test piece can be adjusted.
The left end cover, the right end cover and the test cabin body are detachably connected through end cover bolts, rubber sealing gaskets are arranged on the connection end faces of the left end cover, the right end cover and the test cabin body, the sealing performance of the test cabin body is improved, the left end cover, the right end cover and the test cabin body are detachably connected, and the cabin body can be conveniently opened to install and overhaul internal components.
The test cabin is also provided with a vacuumizing port and an exhaust port, the vacuumizing port is provided with a vacuumizing valve, the exhaust port is provided with an exhaust valve, the spraying port is provided with a spraying valve, the device can be vacuumized, the influence of external air/medium on the test is avoided, and the accuracy of data is improved.
The inside of the experimental cabin body is provided with a connecting plate, the test piece position plate and the connecting plate are detachably connected through a bolt, and a plurality of test piece mounting holes with different distances from the spraying point are formed in the test piece position plate.
The test piece passes in the test piece mounting hole when testing, can change the mounted position of test piece on test piece position board according to the test demand, inserts in different test piece mounting holes, realizes spraying the regulation of position.
Compared with the prior art, this a rotary seal device for spray test has following advantage:
1. through universal joint coupling and test piece position board, can be according to carrying out the position control that tests the piece to the distance demand that sprays the point difference, also can carry out visual quantitative angular rotation according to the test piece to the difference of spraying the angle through scale rotation hand wheel and scale pointer to the accurate regulation of the position that sprays and angle that realizes spraying test device.
2. The diameter of the test piece has a certain adjusting range through the adjustable diameter pipe clamp.
3. The device is integrally sealed and provided with a vacuumizing port and an exhaust port, the vacuumizing port is provided with a vacuumizing valve, and the test cabin body is vacuumized through the vacuumizing valve so as to avoid the influence of media such as air on the test and increase the accuracy of the test result.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the left side of the present invention;
FIG. 3 is a schematic structural view of section A-A of FIG. 2;
FIG. 4 is a schematic view of a test piece position plate according to the present invention;
in the figure: 1-scale pointer, 2-scale rotating hand wheel, 3-sealing rotating shaft, 4-bearing, 5-bearing gland, 6-first fixing screw, 7-rotating sealing ring, 8-sealing flange, 9-static sealing ring, 10-second fixing screw, 11-left end cover, 12-rubber sealing gasket, 13-test cabin, 1301-vacuum pumping port, 1302-spraying port, 1303-exhaust port, 1304-connecting plate, 14-universal joint coupler, 15-pipe clamp adapter, 16-adjustable diameter pipe clamp, 17-test piece position plate, 1701-test piece mounting hole, 18-test piece, 19-right end cover and 20-end cover bolt.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Referring to fig. 1-4, the embodiment provides a rotary sealing device for a spray test, which includes a test chamber 13 and a test part 18, a left end cover 11 and a right end cover 19 are respectively disposed at two ends of the test chamber 13, a spray port 1302 for mounting the spray device is disposed at an upper end of the test chamber 13, a rotary sealing assembly is disposed on the left end cover 11, the rotary sealing assembly includes a scale rotary hand wheel 2, a sealing rotary shaft 3, a sealing flange 8, a universal joint coupler 14, a pipe clamp adapter 15 and a pipe clamp 16 with an adjustable diameter, the sealing flange 8 is mounted on the left end cover 11 through a second fixing screw 10, the sealing rotary shaft 3 is rotatably connected with the sealing flange 8, one end of the sealing rotary shaft 3 extends out of the sealing flange 8 to be connected with the scale rotary hand wheel 2, the other end of the sealing rotary shaft 3 is connected with one end of the universal joint coupler 14, the other end of the universal joint coupler 14 is connected with the pipe clamp adapter 15, the adjustable pipe clamp 16 is connected with the pipe clamp adapter 15, one end of the test piece 18 is connected with the adjustable pipe clamp 16, a test piece position plate 17 is arranged inside the test cabin body 13, a plurality of test piece mounting hole positions are arranged on the test piece position plate 17, and the other end of the test piece 18 penetrates through the test piece position plate 17.
When a spraying experiment is carried out on a test piece 18, one end of the test piece 18 is fixed in the adjustable-diameter pipe clamp 16, the other end of the test piece 18 penetrates through the test piece position plate 17, the test piece position plate 17 plays a supporting role on the test piece, the hand wheel 2 is rotated by rotating the scales to drive the sealing rotating shaft 3 to rotate, the sealing rotating shaft 3 drives the universal joint coupler 14 to rotate, and the adjustable-diameter pipe clamp 16 rotates to drive the test piece 18 to rotate, so that the spraying angle is adjusted; by adjusting the position at which the test piece 18 is mounted in the test piece position plate 17, the adjustment of the spray position can be achieved.
A pair of bearings 4 are mounted on the sealing rotating shaft 3, a sealing groove is formed in the sealing rotating shaft 3, a rotary sealing ring 7 is mounted in the sealing groove, the bearings 4 and the rotary sealing ring 7 are located at the joint of the sealing rotating shaft 3 and a sealing flange 8, a static sealing ring 9 is arranged at the joint of the sealing flange 8 and a left end cover 11, a bearing gland 5 for limiting the axial displacement of the bearings 4 is arranged on the outer side of each bearing 4, and the bearing gland 5 is connected with the sealing flange 8 through a first fixing screw 6; the sealing rotating shaft 3 is connected with the sealing flange 8 through the bearing 4, so that the sealing rotating shaft 3 can be rotated and adjusted conveniently, and the sealing performance of the rotating position can be ensured by arranging the rotary sealing ring 7 at the joint.
A scale pointer 1 is arranged above the scale rotating hand wheel 2, the scale pointer 1 is fixed on the bearing gland 5, and an angle dial gauge is arranged on the scale rotating hand wheel 2; through observing the scale information that scale pointer 1 instructed, can accurate turned angle who adjusts scale rotary hand wheel 2 to adjust the turned angle of test 18.
The test cabin 13 is further provided with a vacuumizing port 1301 and an exhaust port 1303, a vacuumizing valve (not shown in the figure) is arranged at the vacuumizing port 1301, an exhaust valve (not shown in the figure) is arranged at the exhaust port 1303, and a spraying valve (not shown in the figure) is arranged at the spraying port 1302, so that the device can be vacuumized, the influence of external air/medium on the test is avoided, and the accuracy of data is improved.
The inside of experimental cabin body 13 is provided with connecting plate 1304, test piece position board 17 passes through bolt releasable connection with connecting plate 1304, test piece mounting hole 1701 that has a plurality of distances to spray some different distances has been seted up on test piece position board 17, test piece 18 passes from test piece mounting hole 1701 when testing, can change the mounted position of test piece 18 on test piece position board 17 according to the test demand, insert in different test piece mounting hole 1701, realize spraying the regulation of position.
The working principle of the utility model is as follows:
when a spraying experiment is carried out on the test piece 18, the sealing flange 8 is opened, one end of the test piece 18 is fixed in the adjustable caliber pipe clamp 16, the universal joint coupler 14 is adjusted according to the distance requirement of the spraying test, so that the other end of the test piece 18 passes through the test piece mounting hole 1701 at the corresponding position on the test piece position plate 17, and the test piece position plate 17 plays a supporting role in the test piece; closing the sealing flange 8 and fixing it on the left end cover 11 by a second fixing screw 10; the hand wheel 2 is rotated by rotating the scales, the sealing rotating shaft 3 is driven to rotate, the universal joint coupler 14 is driven to rotate by the sealing rotating shaft 3, the diameter-adjustable pipe clamp 16 rotates to drive the testing piece 18 to rotate, the rotation adjustment of the testing piece 18 is realized, the spraying angle is adjusted, the rotating angle of the scale rotating hand wheel 2 can be accurately adjusted by observing scale information indicated by the scale pointer 1, namely, the rotating angle of the testing piece is adjusted, and the testing piece 18 is adjusted according to requirements; the test cabin 13 is further provided with a vacuumizing port 1301 and an exhaust port 1303, a vacuumizing valve is arranged at the vacuumizing port 1301, an exhaust valve is arranged at the exhaust port 1303, a spraying valve is arranged at the spraying port 1302, the device can be vacuumized, the influence of external air/medium on the test is avoided, and the accuracy of data is improved.
According to the rotary sealing device for the spray test, the position of the test piece 18 can be adjusted according to different distance requirements of a spray point through the universal joint coupler 14 and the test piece position plate 17, and visual and quantitative angle rotation can be performed according to different spray angles of the test piece 18 through the scale rotating hand wheel 2 and the scale pointer 1; the diameter of the test piece 18 has a certain adjusting range through the adjustable pipe clamp 16; the device is integrally sealed and is provided with a vacuumizing port 1301 and an exhaust port 1303, a vacuumizing valve is arranged at the vacuumizing port 1301, and the test cabin body 13 is vacuumized through the vacuumizing valve so as to avoid the influence of media such as air on the test and increase the accuracy of the test result.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (6)
1. A rotary sealing device for a spray test comprises a test cabin body (13) and a test piece (18), and is characterized in that two ends of the test cabin body (13) are respectively provided with a left end cover (11) and a right end cover (19), the upper end of the test cabin body (13) is provided with a spray opening (1302) for mounting the spray device, the left end cover (11) is provided with a rotary sealing assembly, the rotary sealing assembly comprises a scale rotary hand wheel (2), a sealing rotating shaft (3), a sealing flange (8), a universal joint coupler (14), a pipe clamp adapter (15) and an adjustable-diameter pipe clamp (16), the sealing flange (8) is mounted on the left end cover (11) through a second fixing screw (10), the sealing rotating shaft (3) is rotatably connected with the sealing flange (8), one end of the sealing rotating shaft (3) extends out of the sealing flange (8) and is connected with the scale rotary hand wheel (2), the other end of sealed pivot (3) is connected with the one end of universal joint shaft coupling (14), the other end and the pipe clamp adaptor (15) of universal joint shaft coupling (14) are connected, adjustable pipe clamp (16) are connected with pipe clamp adaptor (15), the one end and the adjustable pipe clamp (16) of test piece (18) are connected, the inside of experimental cabin body (13) is provided with test piece position board (17), be provided with a plurality of test piece installation hole sites on test piece position board (17), the other end of test piece (18) passes from test piece position board (17).
2. The rotary sealing device for the spray test according to claim 1, wherein a pair of bearings (4) are installed on the sealing rotating shaft (3), a sealing groove is formed in the sealing rotating shaft (3), a rotary sealing ring (7) is installed in the sealing groove, the bearings (4) and the rotary sealing ring (7) are located at the joint of the sealing rotating shaft (3) and the sealing flange (8), a static sealing ring (9) is arranged at the joint of the sealing flange (8) and the left end cover (11), a bearing gland (5) for limiting axial displacement of the bearing (4) is arranged on the outer side of the bearing (4), and the bearing gland (5) is connected with the sealing flange (8) through a first fixing screw (6).
3. The rotary sealing device for the spray test is characterized in that a scale pointer (1) is arranged above the scale rotating hand wheel (2), the scale pointer (1) is fixed on the bearing gland (5), and an angle dial gauge is arranged on the scale rotating hand wheel (2).
4. The rotary sealing device for the spray test is characterized in that the left end cover (11) and the right end cover (19) are detachably connected with the test chamber body (13) through end cover bolts (20), and rubber sealing gaskets (12) are arranged on the connecting end faces of the left end cover (11) and the right end cover (19) and the test chamber body (13).
5. The rotary sealing device for the spray test according to claim 1, wherein the test chamber body (13) is further provided with a vacuum pumping port (1301) and an exhaust port (1303), a vacuum pumping valve is arranged at the vacuum pumping port (1301), an exhaust valve is arranged at the exhaust port (1303), and a spray valve is arranged at the spray port (1302).
6. The rotary seal device for the spray test according to claim 1 or 2, wherein the interior of the test chamber body (13) is provided with a connecting plate (1304), the test piece position plate (17) is detachably connected with the connecting plate (1304) through bolts, the test piece position plate (17) is provided with a plurality of test piece mounting holes (1701) which are different in distance from the spray point, and the test piece (18) passes through the test piece mounting holes (1701) during the test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122205938.5U CN215726585U (en) | 2021-09-13 | 2021-09-13 | Rotary sealing device for spraying test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122205938.5U CN215726585U (en) | 2021-09-13 | 2021-09-13 | Rotary sealing device for spraying test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215726585U true CN215726585U (en) | 2022-02-01 |
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ID=80018931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122205938.5U Active CN215726585U (en) | 2021-09-13 | 2021-09-13 | Rotary sealing device for spraying test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215726585U (en) |
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2021
- 2021-09-13 CN CN202122205938.5U patent/CN215726585U/en active Active
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