CN210180484U

CN210180484U - Plug-in vortex shedding flowmeter for cryogenic medium

Info

Publication number: CN210180484U
Application number: CN201920749624.1U
Authority: CN
Inventors: Yongwang Shen; 沈永旺
Original assignee: Tianjin Yieide Technology Co Ltd
Current assignee: Tianjin Yieide Technology Co Ltd
Priority date: 2019-05-23
Filing date: 2019-05-23
Publication date: 2020-03-24
Anticipated expiration: 2029-05-23

Abstract

The utility model discloses a bayonet vortex street flowmeter for cryrogenic medium, including first connecting piece, the fixed second connecting piece that is provided with in first connecting piece bottom, the equal fixed bolt that is provided with in first connecting piece top both ends, second connecting piece bottom both ends are provided with the nut in the one end of bolt, first connecting piece top both ends evenly are provided with a plurality of backup pads in the bolt inboard, the fixed mounting panel that is provided with of one end of first connecting piece is kept away from to the backup pad, the ring gear is installed through the mounting groove on mounting panel top surface, the inside both sides of ring gear are all fixed and are provided with the rack, the motor is installed through the mount pad in ring gear one side at the mounting panel top. The utility model discloses a be provided with the position that half gear and ring gear adjusted test probe, replaced the tradition and adopted the screw rod to adjust test probe's position method, make test probe can not produce the displacement of self when removing, guaranteed the degree of accuracy that detects.

Description

Plug-in vortex shedding flowmeter for cryogenic medium

Technical Field

The utility model relates to a flowmeter technical field specifically is an bayonet vortex street flowmeter for cryrogenic medium.

Background

The vortex flowmeter is a flow measuring instrument without moving parts, and has the advantages of wide application range, high measurement precision, small abrasion, linear output signal, long-distance transmission, convenient installation and maintenance, etc.

The existing vortex street flowmeter has the following defects:

1. when the existing plug-in vortex shedding flowmeter is used, the position of the detection probe in the pipeline is mostly adjusted by manually rotating the screw rod of the flowmeter, so that the detection probe reaches the average flow velocity point in the pipeline.

2. In the working process of the existing plug-in vortex shedding flowmeter, if the flow of fluid in a pipeline is large, the detection probe is easy to impact, so that the detection probe generates displacement, and the detection accuracy of the detection probe is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an bayonet vortex street flowmeter for cryrogenic medium to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an inserted vortex shedding flowmeter for cryogenic media comprises a first connecting piece, wherein a second connecting piece is fixedly arranged at the bottom of the first connecting piece, bolts are fixedly arranged at two ends of the top of the first connecting piece, nuts are arranged at two ends of the bottom of the second connecting piece at one end of each bolt, a plurality of supporting plates are uniformly arranged at two ends of the top of the first connecting piece on the inner side of each bolt, a mounting plate is fixedly arranged at one end, away from the first connecting piece, of each supporting plate, a gear ring is mounted on the surface of the top of the mounting plate through a mounting groove, racks are fixedly arranged at two sides inside the gear ring, a motor is mounted at the top of the mounting plate on one side of the gear ring through a mounting seat, a half gear is movably arranged inside the gear ring through a rotating shaft, and the output shaft end of the, the half gear is meshed with the rack.

Preferably, the mounting panel bottom is provided with the head rod in the fixed one end of ring gear that is provided with of one end, the fixed pole that inserts that is provided with of ring gear is kept away from to the head rod, the one end that the ring gear was kept away from to the pole that inserts passes first connecting piece, second connecting piece and is located the second connecting piece below.

Preferably, the bottom of the second connecting piece is fixedly provided with a detection probe at one end of the insertion rod.

Preferably, a second connecting rod is fixedly arranged at the top end of the gear ring, a display screen is fixedly arranged at one end, far away from the gear ring, of the second connecting rod, and the display screen is electrically connected with the detection probe.

Preferably, a screw is movably arranged at the top of the first connecting piece through a threaded hole at one side of the support plate far away from the insertion rod.

Preferably, an extrusion plate is movably arranged between the support plates at one end of the screw rod far away from the support plates through a bearing, and a rubber pad is fixedly arranged at one side of the extrusion plate far away from the screw rod.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a be provided with the position that half gear and ring gear come adjustment test probe, replaced the tradition and adopted the screw rod to adjust test probe's position method, make test probe can not produce the displacement of self when removing, guaranteed the degree of accuracy that detects, and come to make test probe automatic adjustment position through the motor, avoided the manual work to adjust, saved time and labour, improved the work efficiency when flowmeter uses.

2. The utility model discloses still be provided with the extrusion piece, after the position of having adjusted the probe, rotatable screw rod, make the stripper plate extrusion support and insert the pole, guarantee the flowmeter at the during operation, can not make the test probe produce the displacement because of fluidic impact force in the pipeline too greatly, the stability of this flowmeter when using has further been guaranteed, the degree of accuracy when having improved the detection, can make the stripper plate laminate more when the fixed pole that inserts of extrusion through setting up the rubber pad, and can increase the stripper plate and insert the friction between the pole, the fixed effect of extrusion has been improved.

Drawings

FIG. 1 is a schematic view of the overall structure of an inserted vortex shedding flowmeter for cryogenic medium of the present invention;

FIG. 2 is an installation view of the motor and gear ring of an inserted vortex shedding flowmeter for cryogenic media of the present invention;

fig. 3 is an enlarged schematic view of a point a in fig. 1 of an insertion type vortex shedding flowmeter for cryogenic medium of the present invention.

In the figure: 1. a first connecting member; 2. a second connecting member; 3. a bolt; 4. a nut; 5. a support plate; 6. mounting a plate; 7. a gear ring; 8. a rack; 9. a motor; 10. a half gear; 11. a first connecting rod; 12. an insertion rod; 13. detecting a probe; 14. a second connecting rod; 15. a display screen; 16. a screw; 17. a pressing plate; 18. and (7) a rubber pad.

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. 1-3, the present invention provides a technical solution: an inserted vortex shedding flowmeter for cryogenic media comprises a first connecting piece 1, wherein a second connecting piece 2 is fixedly arranged at the bottom of the first connecting piece 1, bolts 3 are fixedly arranged at two ends of the top of the first connecting piece 1, nuts 4 are arranged at two ends of the bottom of the second connecting piece 2 at one ends of the bolts 3, a plurality of supporting plates 5 are uniformly arranged at two ends of the top of the first connecting piece 1 at the inner sides of the bolts 3, a mounting plate 6 is fixedly arranged at one end, away from the first connecting piece 1, of each supporting plate 5, a gear ring 7 is arranged on the surface of the top of the mounting plate 6 through a mounting groove, racks 8 are fixedly arranged at two sides of the inner part of the gear ring 7, a motor 9 is arranged at the top of the mounting plate 6 through a mounting seat at one side of the gear ring 7, a half gear 10 is movably arranged at the top of the mounting plate 6 in the gear ring 7 through a rotating shaft, the half-gear 10 is engaged with the rack 8.

A first connecting rod 11 is fixedly arranged at one end of the gear ring 7 at the bottom of the mounting plate 6, an inserting rod 12 is fixedly arranged at one end, far away from the gear ring 7, of the first connecting rod 11, one end, far away from the gear ring 7, of the inserting rod 12 penetrates through the first connecting piece 1, the second connecting piece 2 is located below the second connecting piece 2, the gear ring 7 and the inserting rod 12 are connected through the first connecting rod 11, and the inserting rod 12 is used for driving the detection probe 13 to move; a detection probe 13 is fixedly arranged at one end of the insertion rod 12 at the bottom of the second connecting piece 2, and the flow of the fluid in the pipeline is detected through the detection probe 13; a second connecting rod 14 is fixedly arranged at the top end of the gear ring 7, a display screen 15 is fixedly arranged at one end, far away from the gear ring 7, of the second connecting rod 14, the display screen 15 is electrically connected with the detection probe 13, and the numerical value of the flow velocity of the fluid in the pipeline is displayed through the display screen 15; a screw 16 is movably arranged on one side, far away from the insertion rod 12, of the support plate 5 at the top of the first connecting piece 1 through a threaded hole, and the position of an extrusion plate 17 is changed by rotating the screw 16; an extrusion plate 17 is movably arranged between the support plates 5 at one end, far away from the support plates 5, of the screw 16, a rubber pad 18 is fixedly arranged on one side, far away from the screw 16, of the extrusion plate 17, the insertion rod 12 is extruded and fixed through the extrusion plate 17, and the extrusion and fixing effects of the extrusion plate 17 are improved through the rubber pad 18.

The working principle is as follows: when the flowmeter needs to work, the motor 9 enables the half gear 10 to rotate, the gear ring 7 meshed with the half gear 10 through the rack 8 on one side moves downwards when the half gear 10 rotates, so as to drive the insertion rod 12 to move downwards, the detection probe 13 also moves along with the movement of the insertion rod 12, so as to measure fluid at different positions in a pipeline, on the contrary, when the half gear 10 is meshed with the rack 8 on the other side inside the gear ring 7, the gear ring 7 moves upwards, so as to drive the detection probe 13 to move upwards, the position of the probe is adjusted through the gear ring 7 and the half gear 10, so that a user can conveniently and quickly adjust the position of the detection probe 13 of the flowmeter, the traditional method of adjusting the position of the detection probe 13 by adopting the screw 16 is replaced, the detection probe 13 cannot generate self displacement when moving, and the detection accuracy is ensured, and make the automatic adjustment position of test probe 13 through motor 9, the manual work adjustment has been avoided, time and labour have been saved, the work efficiency when the flowmeter uses has been improved, after the position of probe has been adjusted, rotatable screw rod 16, make the extrusion board 17 extrusion support and insert pole 12, guarantee the flowmeter at the during operation, can not make test probe 13 produce the displacement because the impact force of fluid is too big in the pipeline, this flowmeter stability when using has further been guaranteed, the degree of accuracy when detecting has been improved, can make the extrusion board 17 more laminate when extrusion fixed insert pole 12 through setting up rubber pad 18, and can increase the friction between extrusion board 17 and the insert pole 12, the extrusion fixed effect has been improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. An inserted vortex shedding flowmeter for cryogenic media, comprising a first connector (1), characterized in that: the connecting structure is characterized in that a second connecting piece (2) is fixedly arranged at the bottom of the first connecting piece (1), bolts (3) are fixedly arranged at two ends of the top of the first connecting piece (1), nuts (4) are arranged at two ends of the bottom of the second connecting piece (2) at one end of the bolts (3), a plurality of supporting plates (5) are uniformly arranged at two ends of the top of the first connecting piece (1) at the inner side of the bolts (3), a mounting plate (6) is fixedly arranged at one end, away from the first connecting piece (1), of each supporting plate (5), a gear ring (7) is installed on the surface of the top of the mounting plate (6) through a mounting groove, racks (8) are fixedly arranged at two inner sides of the gear ring (7), a motor (9) is installed at one side of the gear ring (7) at the top of the mounting plate (6), and a half gear (10, the output shaft end of the motor (9) is in transmission connection with a rotating shaft where a half gear (10) is located through a coupling, and the half gear (10) is meshed with the rack (8).

2. An inserted vortex shedding flowmeter for cryogenic media according to claim 1, characterized by: mounting panel (6) bottom is fixed in the one end of ring gear (7) and is provided with head rod (11), the fixed pole (12) that inserts that is provided with of one end that ring gear (7) were kept away from in head rod (11), the one end that ring gear (7) were kept away from in pole (12) is passed first connecting piece (1), second connecting piece (2) and is located second connecting piece (2) below.

3. An inserted vortex shedding flowmeter for cryogenic media according to claim 2, characterized by: and a detection probe (13) is fixedly arranged at one end of the insertion rod (12) at the bottom of the second connecting piece (2).

4. An inserted vortex shedding flowmeter for cryogenic media according to claim 3, characterized by: the fixed second connecting rod (14) that is provided with in gear ring (7) top, the fixed display screen (15) that is provided with of one end that gear ring (7) were kept away from in second connecting rod (14), display screen (15) and test probe (13) electric connection.

5. An inserted vortex shedding flowmeter for cryogenic media according to claim 2, characterized by: and a screw (16) is movably arranged at the top of the first connecting piece (1) through a threaded hole at one side of the support plate (5) far away from the insertion rod (12).

6. An inserted vortex shedding flowmeter for cryogenic media according to claim 5, characterized by: an extrusion plate (17) is movably arranged between the support plates (5) at one end of the screw rod (16) far away from the support plates (5) through a bearing, and a rubber pad (18) is fixedly arranged on one side of the extrusion plate (17) far away from the screw rod (16).