CN212510026U - Pipeline throttling device - Google Patents
Pipeline throttling device Download PDFInfo
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- CN212510026U CN212510026U CN202021076514.2U CN202021076514U CN212510026U CN 212510026 U CN212510026 U CN 212510026U CN 202021076514 U CN202021076514 U CN 202021076514U CN 212510026 U CN212510026 U CN 212510026U
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Abstract
The utility model provides a pipeline throttling arrangement, including body and porous balance plate, the porous balance plate pivoted drive assembly that promotes of setting on the body, the both ends of body are equipped with docking flange respectively, and the docking flange and the upper reaches pipe connection of the one end of body, the other end and low reaches pipe connection, porous balance plate sets up in the inner chamber of body. The device is blocked by the rotatable porous balance plate, even if impurities are accumulated on the periphery of the porous balance plate, the device can be cleaned by adjusting the rotatable porous balance plate, the flow is not influenced, and the pressure taking hole in the smooth flow area is not easy to block, so that the measurement precision and the working reliability are improved, and the device is more suitable for measuring dirty fluids such as saturated steam, superheated steam, coal gas, cooling water and the like. The clamping device prevents the porous balance plate from rotating due to the pushing of internal fluid through the interaction of the clamping rod and the positioning plate, and the stability of the structure is improved.
Description
Technical Field
The utility model relates to a pipeline throttle technical field specifically is a pipeline throttling arrangement.
Background
In the production process of industries such as petroleum, chemical industry, metallurgy, electric power, light industry, light textile, scientific research, military industry and the like, various throttling devices are still largely used for measuring, controlling and adjusting the flow of fluid. Although new meters such as electromagnetic flow meters and vortex flow meters appear in recent years, the throttling device still has absolute advantages due to the advantages of simple structure, firmness, reliable work, stable performance, moderate accuracy, low price and the like.
The existing pipelines for conveying water vapor often have impurities such as rust, and the gas and cooling water pipelines contain more impurities. Because the flow velocity of the impurities is lower than that of the main body and flows close to the inner wall of the pipe, if the flow of the impurities is measured by using a standard pore plate, the impurities are deposited and accumulated on the upstream and downstream sides of the pore plate due to the middle circulation and the peripheral blocking of the pore plate, so that the flow velocity distribution of the fluid passing through the pore plate is influenced, and the measurement precision is further influenced.
SUMMERY OF THE UTILITY MODEL
The technical problem solved by the utility model is to provide a pipeline throttling device to solve the problem that proposes among the above-mentioned background art.
The utility model provides a technical problem adopt following technical scheme to realize: a pipeline throttling device comprises a pipe body, a porous balance plate and a driving assembly, wherein the porous balance plate is arranged on the pipe body, the driving assembly is used for pushing the porous balance plate to rotate, two ends of the pipe body are respectively provided with a butt flange, the butt flange at one end of the pipe body is connected with an upstream pipeline, and the other end of the pipe body is connected with a downstream pipeline;
the porous balance plate is arranged in the inner cavity of the tube body, is of a circular structure corresponding to the inner cavity of the tube body and is provided with a plurality of through holes for fluid circulation, and is in adjustable rotary connection in the inner cavity of the tube body through the driving assembly;
the drive assembly comprises a shaft protection shell, a converter arranged at the corresponding position of the tube body, a drive shaft penetrating through the converter connection shaft protection shell and a handle arranged at the outer end of the drive shaft, wherein the shaft protection shell is symmetrically arranged at two ends of the porous balance plate and is fixedly connected with the porous balance plate, the shaft protection shell at the upper end of the porous balance plate is fixedly connected with the drive shaft, the drive shaft penetrates through the tube body and the converter, the shaft protection shell at the lower end of the porous balance plate is fixedly connected with a rotating shaft, the rotating shaft is inserted into the rotating seat and is in rotating connection, and.
As a further aspect of the present invention: the upper end of the driving assembly is provided with a clamping device for preventing the driving shaft from rotating, the clamping device comprises a positioning plate fixedly arranged at the upper end of the converter, a clamping rod rotatably arranged at the lower end of the handle, and a chuck arranged at one end, close to the positioning plate, of the clamping rod, the positioning plate is of a circular plate-shaped structure, a plurality of positioning holes are uniformly distributed in one side of the outer end of the positioning plate, the clamping rod is rotatably arranged on a rotating seat at the lower end of the handle, one end, far away from the chuck, of the clamping rod is provided with a spring interacting with the handle, and the chuck is of.
As a further aspect of the present invention: four through holes are uniformly distributed on the porous balance plate, the through holes are circular holes, and the through holes are distributed in a ring shape by using the central point of the porous balance plate.
As a further aspect of the present invention: the two ends of the pipe body, which are positioned on the driving assembly, are provided with pressure-tapping pipes, and the upper ends of the pressure-tapping pipes are fixedly connected with valves.
As a further aspect of the present invention: the shaft protection shell corresponds porous balance plate and is equipped with the fixed slot of U type structure, and the edge embedding fixed slot internal fixation of porous balance plate welds.
As a further aspect of the present invention: the converter is equipped with the cavity with body inner chamber intercommunication, corresponds the drive shaft in the cavity of converter and is equipped with the sealed letter that is used for the shutoff.
Compared with the prior art, the beneficial effects of the utility model are that: the device is blocked by the rotatable porous balance plate, even if impurities are accumulated on the periphery of the porous balance plate, the device can be cleaned by adjusting the rotatable porous balance plate, the flow is not influenced, and the pressure taking hole in the smooth flow area is not easy to block, so that the measurement precision and the working reliability are improved, and the device is more suitable for measuring dirty fluids such as saturated steam, superheated steam, coal gas, cooling water and the like.
The porous balance plate is not easy to block the pressure taking hole, and can be precisely machined and assembled due to simple geometric shape, so that the measurement accuracy is easily improved. The clamping device prevents the porous balance plate from rotating due to the pushing of internal fluid through the interaction of the clamping rod and the positioning plate, and the stability of the structure is improved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the porous balance plate of the present invention;
fig. 3 is a schematic structural diagram of the clamping device of the present invention.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the specific drawings.
As shown in FIGS. 1-3,
the embodiment provides a pipeline throttling device, which comprises a pipe body 1, a porous balance plate 2 arranged on the pipe body 1 and a driving assembly for pushing the porous balance plate 2 to rotate, wherein butt flanges 11 are respectively arranged at two ends of the pipe body 1, the butt flange 11 at one end of the pipe body 1 is connected with an upstream pipeline, and the other end of the pipe body is connected with a downstream pipeline; the porous balance plate 2 is arranged in the inner cavity of the tube body 1, the porous balance plate 2 is of a circular structure corresponding to the inner cavity of the tube body 1 and is provided with a plurality of through holes 21 for fluid circulation, and the porous balance plate 2 is in adjustable rotary connection in the inner cavity of the tube body 1 through a driving assembly; drive assembly includes axle protective housing 31, sets up converter 32 at body 1 relevant position, runs through the drive shaft 33 of converter 32 connecting axle protective housing 31 and installs the handle 34 in the drive shaft 33 outer end, axle protective housing 31 symmetry install at porous balance plate 2 both ends and with porous balance plate 2 fixed connection, axle protective housing 31 and drive shaft 33 fixed connection of porous balance plate 2 upper end, drive shaft 33 runs through body 1 and converter 32, axle protective housing 31 and the pivot 35 fixed connection of porous balance plate 2 lower extreme, pivot 35 inserts swivel mount 36 internal rotation and connects, swivel mount 36 and body 1 outer end seal weld.
In this embodiment, the upper end of the driving assembly is provided with a clamping device for preventing the driving shaft 33 from rotating, the clamping device includes a positioning plate 41 fixedly disposed at the upper end of the converter 32, a clamping rod 42 rotatably mounted at the lower end of the handle 34, and a clamping head 43 disposed at one end of the clamping rod 42 close to the positioning plate 41, the positioning plate 41 is a circular plate-shaped structure, a plurality of positioning holes 44 are uniformly distributed at one side of the outer end of the positioning plate 41, the clamping rod 42 is rotatably mounted on a rotating seat 45 at the lower end of the handle 34, a spring 46 interacting with the handle 34 is disposed at one end of the clamping rod 42 far from the clamping head 43, and the clamping head 43 is a columnar structure. Specifically, when the perforated balance plate 2 needs to be rotated, the outer ends of the handle 34 and the clamping rod 42 are pressed, the clamping rod 42 is connected through the rotating seat 45 to enable the clamping head 43 to tilt, the clamping head 43 is separated from the positioning hole 44 on the positioning plate 41, and the handle 34 drives the perforated balance plate 2 to rotate through the driving shaft 33; after the rotation is completed, the clamping rod 42 is released, the clamping rod 42 is restored to the original position under the action of the spring 46, and the clamping head 43 is inserted into the positioning hole 44 corresponding to the positioning plate 41 and fixed, so that the fluid is prevented from pushing the porous balance plate 2, and the porous balance plate 2 is prevented from rotating.
In this embodiment, evenly distributed has four through-holes 21 on the porous balance plate 2, through-hole 21 is the circular port, and through-hole 21 distributes with the central point ring shape of porous balance plate 2.
In this embodiment, two ends of the pipe body 1, which are located at the driving assembly, are provided with pressure sampling pipes 12, which are respectively used for monitoring fluid conditions at the upstream and the downstream, and the upper ends of the pressure sampling pipes 12 are fixedly connected with valves 13.
In this embodiment, the shaft protection shell 31 is provided with a fixing groove of a U-shaped structure corresponding to the porous balance plate 2, and the edge of the porous balance plate 2 is fixedly welded in the fixing groove.
In this embodiment, the converter 32 is provided with a cavity communicated with the inner cavity of the tube body 1, and a sealing box for sealing is arranged in the cavity of the converter 32 corresponding to the driving shaft 33 to prevent the liquid in the tube body 1 from flowing out.
The utility model discloses a theory of operation does: two ends of the pipe body 1 are connected with an upstream pipeline and a downstream pipeline through a butt flange 11, the porous balance plate 2 throttles the circulating fluid in the inner cavity of the pipe body 1, the porous balance plate 2 rotates in the inner cavity of the pipe body 1 through a driving assembly so as to adjust and control the flow rate,
meanwhile, the porous balance plate 2 is rotated to be beneficial to cleaning the dirty impurities retained at the outer end of the porous balance plate 2, and the pressure sampling pipes 12 are respectively arranged at the two ends of the driving assembly to respectively measure the upstream fluid and the downstream fluid.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a pipeline throttling arrangement, includes the body and sets up porous balance plate on the body, promotes porous balance plate pivoted drive assembly, the both ends of body are equipped with flange, the flange and the upper reaches pipe connection of the one end of body, the other end and low reaches pipe connection, its characterized in that respectively: the porous balance plate is arranged in the inner cavity of the tube body, is of a circular structure corresponding to the inner cavity of the tube body and is provided with a plurality of through holes for fluid circulation, and is in adjustable rotary connection in the inner cavity of the tube body through the driving assembly;
the drive assembly comprises a shaft protection shell, a converter arranged at the corresponding position of the tube body, a drive shaft penetrating through the converter connection shaft protection shell and a handle arranged at the outer end of the drive shaft, wherein the shaft protection shell is symmetrically arranged at two ends of the porous balance plate and is fixedly connected with the porous balance plate, the shaft protection shell at the upper end of the porous balance plate is fixedly connected with the drive shaft, the drive shaft penetrates through the tube body and the converter, the shaft protection shell at the lower end of the porous balance plate is fixedly connected with a rotating shaft, the rotating shaft is inserted into the rotating seat and is in rotating connection, and.
2. A pipe throttling device according to claim 1, wherein: the upper end of the driving assembly is provided with a clamping device for preventing the driving shaft from rotating, the clamping device comprises a positioning plate fixedly arranged at the upper end of the converter, a clamping rod rotatably arranged at the lower end of the handle, and a chuck arranged at one end, close to the positioning plate, of the clamping rod, the positioning plate is of a circular plate-shaped structure, a plurality of positioning holes are uniformly distributed in one side of the outer end of the positioning plate, the clamping rod is rotatably arranged on a rotating seat at the lower end of the handle, one end, far away from the chuck, of the clamping rod is provided with a spring interacting with the handle, and the chuck is of.
3. A pipe throttling device according to claim 2, wherein: four through holes are uniformly distributed on the porous balance plate, the through holes are circular holes, and the through holes are distributed in a ring shape by using the central point of the porous balance plate.
4. A pipe throttling device according to claim 1, wherein: the two ends of the pipe body, which are positioned on the driving assembly, are provided with pressure-tapping pipes, and the upper ends of the pressure-tapping pipes are fixedly connected with valves.
5. A pipe throttling device according to claim 3, wherein: the shaft protection shell corresponds porous balance plate and is equipped with the fixed slot of U type structure, and the edge embedding fixed slot internal fixation of porous balance plate welds.
6. A pipe throttling device according to claim 5, wherein: the converter is equipped with the cavity with body inner chamber intercommunication, corresponds the drive shaft in the cavity of converter and is equipped with the sealed letter that is used for the shutoff.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021076514.2U CN212510026U (en) | 2020-06-12 | 2020-06-12 | Pipeline throttling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021076514.2U CN212510026U (en) | 2020-06-12 | 2020-06-12 | Pipeline throttling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212510026U true CN212510026U (en) | 2021-02-09 |
Family
ID=74395948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021076514.2U Active CN212510026U (en) | 2020-06-12 | 2020-06-12 | Pipeline throttling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212510026U (en) |
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2020
- 2020-06-12 CN CN202021076514.2U patent/CN212510026U/en active Active
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