CN213209145U

CN213209145U - Liquid turbine flowmeter with multiple rectifying devices

Info

Publication number: CN213209145U
Application number: CN202022257142.XU
Authority: CN
Inventors: 苏军
Original assignee: Shanghai Lanchang Automation Technology Co ltd
Current assignee: Shanghai Lanchang Automation Technology Co ltd
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2021-05-14
Anticipated expiration: 2030-10-12

Abstract

The utility model discloses a liquid turbine flowmeter with multiple fairing, including pipeline and flowmeter, the inside outside of pipeline is provided with the rectification subassembly, the rectification subassembly includes branch, preceding water conservancy diversion frame, guide vane, back water conservancy diversion frame, lagging and lagging, controls the outer wall of lagging links to each other with the pipeline is fixed through a plurality of branches, the outer wall of preceding water conservancy diversion frame and back water conservancy diversion frame all links to each other with the pipeline is fixed. This liquid turbine flowmeter with multiple fairing, structure scientific and reasonable, convenience safe in utilization is provided with guide vane, preceding water conservancy diversion frame, back water conservancy diversion frame, pipeline and turbine, liquid can be once more through preceding water conservancy diversion frame or back water conservancy diversion frame again the rectification afterwards, make horizontal impact rivers can be guided to vertical direction, can be better carry out the rectification and delay the impact, the rectification structure of having avoided prior art comparatively single leads to the rectification effect can't satisfy higher user demand problem.

Description

Liquid turbine flowmeter with multiple rectifying devices

Technical Field

The utility model relates to a flowmeter technical field specifically is a liquid turbine flowmeter with multiple fairing.

Background

The liquid turbine flowmeter is a novel intelligent instrument which is developed by adopting an advanced ultra-low power consumption single chip microcomputer technology and integrates a turbine flow sensor and a display integration, and has the obvious advantages of compact mechanism, visual and clear reading, high reliability, no interference of an external power supply, lightning resistance, low cost and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a liquid turbine flowmeter with multiple fairing to the rectification structure that proposes in solving above-mentioned background art comparatively single leads to the rectification effect can't satisfy higher user demand problem.

In order to achieve the above object, the utility model provides a following technical scheme: a liquid turbine flowmeter with multiple rectifying devices comprises a pipeline and a flowmeter, wherein the flowmeter is arranged above the pipeline, and a rectifying assembly is arranged on the outer side inside the pipeline;

the rectifying assembly comprises a supporting rod, a front flow guide frame, a flow guide blade, a rear flow guide frame, a sleeve plate and a sleeve block;

controlling the outer wall of lagging links to each other with the pipeline is fixed through a plurality of branches, the inside of lagging rotates with the cover block through the bearing and links to each other, the inboard of cover block all is provided with guide vane, controls guide vane's inboard is provided with preceding water conservancy diversion frame and back water conservancy diversion frame respectively, preceding water conservancy diversion frame and back water conservancy diversion frame's outer wall all links to each other with the pipeline is fixed.

Preferably, the left and right front and rear guide frames are axially symmetrically distributed in the left and right direction.

Preferably, the outer sides of the guide vanes are provided with fastening components;

the fastening assembly comprises an end cover, a connecting rod, a sleeve, a pin shaft, a spring, a second rotating shaft and a supporting seat;

control the second pivot is rigid coupling inner wall about guide vane respectively, the outer wall and the pocket of second pivot are fixed to be linked to each other, the outside outer wall of second pivot is provided with a plurality of sleeves, outer end sleeve and second pivot clearance fit, inner the sleeve links to each other with the second pivot is fixed, the equal rigid coupling in both sides has the supporting seat about the telescopic outer wall, from top to bottom the outside of supporting seat all is provided with the connecting rod, from top to bottom the outside of connecting rod all rotates through the round pin axle and links to each other, the inboard of connecting rod all rotates with the supporting seat through the round pin axle and links to each other, the equal rigid coupling in outer end of second pivot has the end cover, the outer wall of second pivot all is provided with the spring, the inside and outside both sides of spring all.

Preferably, the opening and closing angle of the plurality of connecting rods is between 15 ° and 75 °.

Preferably, the inner center of the pipeline is provided with a measuring component;

the measuring component comprises a turbine, a display screen, a sensor, a threaded rod and a first rotating shaft;

the turbine is located the inside center of pipeline, the inside rigid coupling of inner wall of turbine has first pivot, both ends rotate with preceding water conservancy diversion frame and back water conservancy diversion frame respectively about first pivot and link to each other, the sensor is installed in the outer wall left side of first pivot, the threaded rod rigid coupling is at the lower extreme of flowmeter, the threaded rod links to each other with the pipeline screw thread, the front end top at the flowmeter is installed to the display screen.

Preferably, the left end and the right end of the outer wall of the pipeline are fixedly connected with flanges, and a plurality of threaded holes are machined in the outer wall of each flange.

Compared with the prior art, the beneficial effects of the utility model are that: this liquid turbine flowmeter with multiple fairing, structure scientific and reasonable, convenience safe in utilization:

be provided with guide vane, preceding guide frame, back guide frame, pipeline and turbine, liquid can follow one side injection of pipeline, liquid can drive guide vane and rotate, carry out preliminary rectification through guide vane, liquid can carry out rectification once more through preceding guide frame or back guide frame again afterwards, prevent that the impact indiscriminate stream of liquid from leading to the fact the injury to the inside turbine of pipeline, because guide vane self shape sets up, make horizontal impact rivers can be led to vertical direction, can be better carry out the rectification and delay the impact, the rectification structure of having avoided prior art comparatively single leads to the rectification effect can't satisfy higher user demand problem.

Be provided with guide vane, the second pivot, the connecting rod, a spring, sleeve and cover block, when being used for the rivers velocity of flow that detects at the excessive speed, guide vane's slew velocity accelerates thereupon, it carries out high-speed rotation to make guide vane can drive the second pivot, a plurality of connecting rods can receive centrifugal force's influence this moment, the connecting rod can inwards rotate, make telescopic distance constantly be close to, continuously extrude the spring, make the spring can prevent guide vane's slew velocity at the excessive speed, it leads to the easy impaired problem of guide vane to have not the fastening restriction to have avoided guide vane when carrying out the rectification rotational speed at the excessive speed.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the pipeline, the front flow guiding frame and the guide vanes in FIG. 1;

FIG. 3 is a schematic view of the duct, the connecting rod and the rear draft frame of FIG. 1;

fig. 4 is a schematic view of the structure of fig. 1 at the location of the pipe, the flow meter and the turbine.

In the figure: 1. the pipeline, 2, the measuring component, 201, the turbine, 202, the display screen, 203, the sensor, 204, the threaded rod, 205, the first pivot, 3, the rectification subassembly, 301, branch, 302, preceding baffle frame, 303, guide vane, 304, back baffle frame, 305, the lagging, 306, the cover block, 4, fastening components, 401, the end cover, 402, the connecting rod, 403, the sleeve, 404, the round pin axle, 405, the spring, 406, the second pivot, 407, supporting seat, 5, the flowmeter, 6, the screw hole, 7, the flange.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a liquid turbine flowmeter with multiple rectifying devices comprises a pipeline 1 and a flowmeter 5, wherein the flowmeter 5 is arranged above the pipeline 1, a rectifying component 3 is arranged on the outer side of the inside of the pipeline 1, the rectifying component 3 comprises a support rod 301, a front guide frame 302, guide vanes 303, a rear guide frame 304, a sleeve plate 305 and a sleeve block 306, the outer walls of the left sleeve plate 305 and the right sleeve plate 305 are fixedly connected with the pipeline 1 through a plurality of support rods 301, the pipeline 1 can support the sleeve plate 305, the inside of the sleeve plate 305 is rotatably connected with the sleeve block 306 through bearings, the inner sides of the sleeve block 306 are respectively provided with the guide vanes 303, the guide vanes 303 can effectively slow down the impact of high-pressure rapid water flow, the inner sides of the left guide vanes 303 are respectively provided with the front guide frame 302 and the rear guide frame 304, the front guide frame 302 and the rear guide frame 304 are formed by a central shaft and a cross guide plate, the outer walls of the front guide frame 302 and, the left and right front guide frames 302 and the rear guide frames 304 are axially symmetrically distributed in the left and right direction.

The outer sides of the guide vanes 303 are respectively provided with a fastening component 4, the fastening components 4 comprise end covers 401, connecting rods 402, sleeves 403, pin shafts 404, springs 405, second rotating shafts 406 and supporting seats 407, the left and right second rotating shafts 406 are respectively fixedly connected with the inner walls of the left and right guide vanes 303, the guide vanes 303 can drive the second rotating shafts 406 to rotate, the outer walls of the second rotating shafts 406 are fixedly connected with the sleeve blocks 306, the outer walls of the outer sides of the second rotating shafts 406 are provided with a plurality of sleeves 403, the outer end sleeves 403 are in clearance fit with the second rotating shafts 406, the inner end sleeves 403 are fixedly connected with the second rotating shafts 406, the upper and lower sides of the outer walls of the sleeves 403 are respectively fixedly connected with the supporting seats 407, the second rotating shafts 406 can drive the inner end sleeves 403 to rotate, the outer sides of the upper and lower supporting seats 407 are respectively provided with the connecting rods 402, the outer sides of the upper and, the outer ends of the second rotating shafts 406 are fixedly connected with end covers 401, the outer walls of the second rotating shafts 406 are provided with springs 405, the elastic coefficient K of the springs 405 is 500N/m, the inner side and the outer side of each spring 405 are fixedly connected with the sleeves 403, and the opening and closing angles of the connecting rods 402 are 15-75 degrees.

The measuring component 2 is arranged at the inner center of the pipeline 1, the measuring component 2 comprises a turbine 201, a display screen 202, a sensor 203, a threaded rod 204 and a first rotating shaft 205, the turbine 201 is positioned at the inner center of the pipeline 1, the first rotating shaft 205 is fixedly connected inside the inner wall of the turbine 201, the left end and the right end of the first rotating shaft 205 are respectively connected with a front flow guide frame 302 and a rear flow guide frame 304 in a rotating mode, the front flow guide frame 302 and the rear flow guide frame 304 can rotatably support the first rotating shaft 205, the sensor 203 is arranged on the left side of the outer wall of the first rotating shaft 205, the sensor 203 can measure the rotating efficiency of the turbine 201 and send signals to the flow meter 5, finally, the value measured by the flow meter is displayed on the display screen 202, the threaded rod 204 is fixedly connected to the lower end of the flow meter 5, the threaded rod 204 is in threaded connection with the pipeline 1, the threaded rod 204 is fixedly connected with, both ends are all the rigid coupling has flange 7 about pipeline 1's the outer wall, and the inside processing of the outer wall of flange 7 has a plurality of screw holes 6.

When the liquid turbine flowmeter with the multiple rectifying devices is required to be used, firstly, a user can fix the flowmeter 5 at the center of the upper end of the pipeline 1 through the threaded rod 204 in a rotating manner, then the pipeline 1 can be communicated with an external liquid pipeline through the flange 7 and the threaded hole 6, when measurement is required, liquid can be injected from one side of the pipeline, the liquid can drive the guide vanes 303 to rotate, primary rectification is carried out through the guide vanes 303, then the liquid can be rectified again through the front guide frame 302 or the rear guide frame 304, rectification and delay of injected high-pressure impact water flow are realized, damage to the turbine 201 in the pipeline 1 caused by impact turbulent flow of the liquid is prevented, because the guide vanes 303 are arranged in the shape, the transverse impact water flow can be guided to the vertical direction, rectification and impact delay can be better realized, and the problem that the rectifying effect cannot meet higher use requirements due to the single rectifying effect in the prior art is avoided, if the water flow velocity for detection is too fast, the rotating speed of the guide vane 303 is accelerated, so that the guide vane 303 can drive the second rotating shaft 406 to rotate at a high speed, at the moment, the plurality of connecting rods 402 can be influenced by centrifugal force, the connecting rods 402 can rotate inwards, the distance of the sleeve 403 is continuously close to each other, the spring 405 is continuously extruded, the spring 405 can prevent the guide vane 303 from rotating too fast, the problem that the guide vane 303 is easily damaged due to the fact that the guide vane 303 is not fastened and limited when the rectifying rotating speed is too fast is avoided, and the measuring result after measurement can be displayed at the display screen 202.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A liquid turbine flowmeter with multiple fairing, including pipeline (1) and flowmeter (5), be provided with flowmeter (5) above pipeline (1), its characterized in that: a rectifying component (3) is arranged on the outer side of the interior of the pipeline (1);

the rectifying assembly (3) comprises a support rod (301), a front flow guide frame (302), a guide vane (303), a rear flow guide frame (304), a sleeve plate (305) and a sleeve block (306);

control the outer wall of lagging (305) is fixed continuous with pipeline (1) through a plurality of branch (301), the inside of lagging (305) is passed through the bearing and is rotated with set block (306) and link to each other, the inboard of set block (306) all is provided with guide vane (303), controls the inboard of guide vane (303) is provided with preceding water conservancy diversion frame (302) and back water conservancy diversion frame (304) respectively, the outer wall of preceding water conservancy diversion frame (302) and back water conservancy diversion frame (304) all links to each other with pipeline (1) is fixed.

2. The liquid turbine flow meter with multiple fairings as set forth in claim 1, wherein: the left and right front guide frames (302) and the rear guide frames (304) are axially and symmetrically distributed in the left and right direction.

3. The liquid turbine flow meter with multiple fairings as set forth in claim 1, wherein: fastening components (4) are arranged on the outer sides of the guide vanes (303);

the fastening assembly (4) comprises an end cover (401), a connecting rod (402), a sleeve (403), a pin shaft (404), a spring (405), a second rotating shaft (406) and a supporting seat (407);

the left and right second rotating shafts (406) are fixedly connected to the inner walls of the left and right guide vanes (303) respectively, the outer wall of the second rotating shaft (406) is fixedly connected with the sleeve block (306), the outer wall of the outer side of the second rotating shaft (406) is provided with a plurality of sleeves (403), the outer ends of the sleeves (403) are in clearance fit with the second rotating shaft (406), the inner ends of the sleeves (403) are fixedly connected with the second rotating shaft (406), the upper side and the lower side of the outer wall of the sleeve (403) are fixedly connected with supporting seats (407), the outer sides of the upper supporting seat and the lower supporting seat (407) are respectively provided with a connecting rod (402), the outer sides of the upper connecting rod (402) and the lower connecting rod (402) are respectively rotatably connected with the supporting seats (407) through pin shafts (404), the outer end of the second rotating shaft (406) is respectively fixedly connected with an end cover (401), and the outer wall of the second rotating shaft (406, the inner side and the outer side of the spring (405) are fixedly connected with the sleeve (403).

4. A liquid turbine flow meter with multiple fairings as set forth in claim 3, wherein: the opening and closing angle of the connecting rods (402) is between 15 degrees and 75 degrees.

5. The liquid turbine flow meter with multiple fairings as set forth in claim 1, wherein: a measuring component (2) is arranged at the center of the interior of the pipeline (1);

the measuring assembly (2) comprises a turbine (201), a display screen (202), a sensor (203), a threaded rod (204) and a first rotating shaft (205);

turbine (201) are located the inside center of pipeline (1), the inside rigid coupling of inner wall of turbine (201) has first pivot (205), both ends rotate with preceding water conservancy diversion frame (302) and back water conservancy diversion frame (304) respectively about first pivot (205) and link to each other, sensor (203) are installed in the outer wall left side of first pivot (205), threaded rod (204) rigid coupling is at the lower extreme of flowmeter (5), threaded rod (204) and pipeline (1) screw thread link to each other, the front end top at flowmeter (5) is installed in display screen (202).

6. The liquid turbine flow meter with multiple fairings as set forth in claim 1, wherein: the pipeline is characterized in that flanges (7) are fixedly connected to the left end and the right end of the outer wall of the pipeline (1), and a plurality of threaded holes (6) are machined in the outer wall of each flange (7).