CN219347881U

CN219347881U - Flowmeter mount table

Info

Publication number: CN219347881U
Application number: CN202320575452.7U
Authority: CN
Inventors: 梁政; 王彥来; 李明; 王鑫
Original assignee: Shaoxing Energy Testing Institute
Current assignee: Shaoxing Energy Testing Institute
Priority date: 2023-03-17
Filing date: 2023-03-17
Publication date: 2023-07-14
Anticipated expiration: 2033-03-17

Abstract

The utility model discloses a flowmeter mounting table, which comprises a shaft, wherein a turntable first component is arranged on the shaft and can rotate along with the shaft, the turntable first component comprises a turntable first, the turntable first comprises a guide pillar, the guide pillar is connected with a turntable second in a sliding manner, the guide pillar penetrates through the turntable second, the turntable first and the turntable second can be mutually close to or far away from each other, the turntable first can drive the turntable second to rotate together, a plurality of connecting pipes are arranged in the circumferential directions of the turntable first and the turntable second in a one-to-one correspondence manner, each connecting pipe first comprises a boss first positioned at the inner side, bosses first corresponding to the two connecting pipes are oppositely arranged, and connecting pipes first at the two sides are coaxially arranged. The utility model provides a flowmeter mounting table, which has uniform flow velocity distribution at the mounting position of a flowmeter and high accuracy.

Description

Flowmeter mount table

Technical Field

The utility model relates to the technical field of flowmeter detection equipment, in particular to a flowmeter mounting table.

Background

When the current electromagnetic water flowmeter for detecting water flow is used, two sides of the electromagnetic water flowmeter are respectively connected with a pipeline through flanges. Because the accuracy requirement of the detection is higher, the inner diameter of the flowmeter is required to be the same as the inner diameter of the pipeline connected with the two sides of the flowmeter, and the pipeline extends for a certain distance with the same inner diameter so as to ensure that the flow velocity distribution is uniform. And the connecting pipelines at the two sides of the flowmeter are required to maintain good coaxiality when being installed, so that the influence on output caused by the occurrence of vortex flow is reduced, and errors are caused. But electromagnetic water flowmeter both sides are perforated through flange screw and are connected, and both sides are independent installation, and the good axiality of difficult assurance exists not enoughly.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art, and provides a flowmeter mounting table, wherein the flow velocity distribution of the flowmeter mounting position is uniform and the accuracy is high.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

the utility model provides a flowmeter mount table, including the axle, axle installs carousel first subassembly, carousel first subassembly can rotate along with the axle, carousel first subassembly includes carousel first, carousel first includes the guide pillar, guide pillar sliding connection installs carousel second, the guide pillar passes carousel second, carousel first, carousel second can be close to each other or keep away from, carousel first can drive carousel second and rotate together, carousel first, carousel second circumference all installs a plurality of connecting pipes one and one-to-one, connecting pipe first is including being located inboard boss first, the boss first relative setting of two connecting pipes of correspondence, the first coaxial setting of both sides connecting pipe of correspondence.

The boss I is located between the first turntable and the second turntable, the inner side of the boss I is provided with grooves, and the grooves on the two sides are oppositely arranged.

The rotating disc III rotates along with the shaft, the connecting pipe II is arranged on the rotating disc III, and the connecting pipe II is coaxial with the connecting pipe I.

The second connecting pipe comprises an extension pipe which can extend out through the air cylinder and is connected with the first connecting pipe.

The second connecting pipe comprises a second channel, the first connecting pipe comprises a first channel, and when the extension pipe is connected with the first connecting pipe, the first channel is communicated with the second channel.

The diameters of the connecting pipes in the first turntables are different.

The inner wall of the second rotary table is provided with a bulge, and the outer wall of the guide post is provided with a corresponding groove, so that the second rotary table can axially move along the guide post.

The first turntable further comprises a first turntable, a first spring is arranged between the second turntable and the first turntable, the guide pillar is connected with a cover disc, the cover disc is located on one side, far away from the first turntable, of the second turntable, the second spring is arranged between the cover disc and the second turntable, the cover disc moves axially along the guide pillar and is close to the second turntable, the first spring and the second spring are compressed, so that the second turntable is close to the first turntable, the cover disc moves in a direction far away from the second turntable, and the first spring and the second spring stretch, so that the second turntable is far away from the first turntable.

The elastic coefficient of the first spring is smaller than that of the second spring.

The first turntable is fixedly connected with the shaft through a fastener.

The beneficial effects of the utility model are as follows:

because the first rotating disc and the second rotating disc are fixed and then are subjected to punching operation, after the first connecting pipe is installed, the first connecting pipe on the first rotating disc is high in installation coaxiality with the first connecting pipe corresponding to the second rotating disc, and the generation of internal rotation vortex of the first connecting pipe can be reduced.

When the two sides of the flowmeter are installed with the first connecting pipe, the grooves are used for positioning, so that the flow channel center of the flowmeter is coaxial with the first connecting pipe, the flow velocity in the flowmeter is uniformly distributed, the occurrence of vortex flow is avoided, and the output error is reduced.

Drawings

FIG. 1 is a cross-sectional view of an embodiment;

fig. 2 is an enlarged view at a in fig. 1.

In the figure: flowmeter 1, connecting tube one 2, boss one 21, groove 211, channel one 22, shaft 3, turntable one assembly 4, spring one 41, spring two 42, cover disk 43, fastener 44, turntable one 45, disk 451, guide post 452, turntable two 5, cylinder 6, connecting tube two 7, extension tube 71, boss two 711, channel two 72, turntable three 8.

Detailed Description

The technical scheme of the utility model is further described below through examples and with reference to the accompanying drawings.

As shown in fig. 1-2, a flowmeter mounting table comprises a shaft 3, a turntable first assembly 4 is mounted on the shaft 3, the turntable first assembly 4 can rotate along with the shaft 3, the turntable first assembly 4 comprises a turntable first 45, the turntable first 45 and the shaft 3 are coaxially arranged, and the turntable first 45 passes through the inner wall of the turntable first 45 and abuts against the outer wall of the shaft 3 through a fastener 44 in a threaded manner, so that the turntable first 45 is fixed with the shaft 3.

The first turntable 45 is of a revolving structure, the first turntable 45 comprises a disc 451 and a guide post 452, the guide post 452 extends outwards along one side end face of the disc 451, the guide post 452 is slidably connected with the second turntable 5, the inner peripheral wall of the second turntable 5 is in clearance fit with the outer peripheral wall of the guide post 452, the guide post 452 penetrates through the second turntable 5, the inner wall of the second turntable 5 is provided with a protrusion, the outer wall of the guide post 452 is provided with a corresponding groove, the groove of the guide post 452 extends along the axial direction of the guide post 452, and the protrusion of the second turntable 5 is inserted into the groove of the guide post 452 so that the second turntable 5 can move along the axial direction of the guide post 452, and the first turntable 45 and the second turntable 5 can be mutually close to or far away from each other. When the first turntable 45 rotates, the second turntable 5 is driven to rotate together.

A plurality of first connecting pipes 2 are circumferentially arranged on the first 45 of the turntable, the first connecting pipes 2 are correspondingly arranged on the second 5 of the turntable in the circumferential direction, and the corresponding first connecting pipes 2 on two sides are coaxially arranged.

The first connecting pipes 2 comprise first bosses 21 positioned on the inner sides, and the first bosses 21 corresponding to the first connecting pipes 2 are oppositely arranged, namely, the first bosses 21 are positioned between the disc 451 and the second turntable 5. The flowmeter 1 can be placed between the corresponding two first bosses 21, specifically, grooves 211 are formed in the inner sides of the first bosses 21, and the grooves 211 on two sides are opposite to each other. The grooves 211 are counter bore structures corresponding to flanges on two sides of the flowmeter 1, two sides of the flowmeter 1 can be inserted into the grooves 211 on two sides in a clearance fit mode, and two side end faces of the flowmeter 1 are attached to the bottom faces of the grooves 211 and sealed through sealing rings.

The flowmeter 1 is an electromagnetic water flowmeter, and in order to meet the detection of the flowmeter 1 with different specifications, the first connecting pipes 2 are circular pipelines with different calibers, the first connecting pipes 2 with different calibers are respectively provided with the corresponding flowmeter 1, and the axial lengths of the different flowmeters 1 are different.

As shown in fig. 1, the turntables three 8 are fixedly installed on two sides of the shaft 3, the turntables three 8 rotate along with the shaft 3, the connecting pipe two 7 is installed on the turntables three 8, the connecting pipe two 7 and the connecting pipe one 2 are coaxially installed, and the connecting pipe two 7 located on the same axis is matched with the connecting pipe one 2 in specification and size. The second connecting pipe 7 comprises an extension pipe 71, the extension pipe 71 can slide along the inner wall of the second connecting pipe 7, a second boss 711 is arranged on the outer side of the extension pipe 71, the second boss 711 is of a thin plate structure, and the output end of the air cylinder 6 stretches out to push the second boss 711, so that one end of the extension pipe 71 stretches out of the second connecting pipe 7 and is connected with the first connecting pipe 2.

The second connection pipe 7 includes a second passage 72, the first connection pipe 2 includes a first passage 22, and the first passage 22 communicates with the second passage 72 when the extension pipe 71 is connected to the first connection pipe 2. As shown by the arrow direction in fig. 1, the water flows into the flowmeter 1 through the second channel 72 and the first channel 22 on one side of the flowmeter 1, flows out from the first channel 22 and the second channel 72 on the other side of the flowmeter 1, is finally stored in the test tube, and the measurement accuracy of the flowmeter 1 is verified by comparing the water quantity in the test tube with the display value of the flowmeter 1.

Because the outside water route is single water route, as shown in the arrow direction of fig. 1, the left side is the water route import, and the right side is the water route export, and cylinder 6 is fixed to be set up in this route both sides, after selecting flowmeter 1 to be detected, axis of rotation 3 for connecting pipe one 2 that corresponds with flowmeter 1 specification to be detected, connecting pipe two 7 rotate to water route one side, install flowmeter 1, and cylinder 6 output stretches out, connecting pipe two 7 are connected with connecting pipe one 2, and the water route passageway communicates.

Because the axial lengths of different flow meters 1 are different, the flow meters are required to be adjusted during installation, specifically, a first spring 41 is installed between a second turntable 5 and a circular disc 451, two ends of the first spring 41 respectively support against the second turntable 5 and the circular disc 451, a guide post 452 is in threaded connection with a cover disc 43, the cover disc 43 is positioned on one side of the second turntable 5 away from the circular disc 451, a second spring 42 is installed between the cover disc 43 and the second turntable 5, the second spring 42 respectively supports against the cover disc 43 and the second turntable 5, and the elastic coefficient of the first spring 41 is smaller than that of the second spring 42.

The cover disc 43 is rotated to axially move along the guide post 452 and approach the second turntable 5, the second spring 42 compresses and pushes the second turntable 5 to approach the first turntable 451, the first spring 41 compresses, and the distance between the first bosses 21 on two sides is reduced, so that the corresponding flowmeter 1 is placed in the grooves 211 of the first bosses 21, and the cover disc 43 is continuously moved in the same direction to tightly press and seal the sealing rings at two ends of the flowmeter 1. Because flowmeter 1 is installed only in disc 451, carousel second 5 one side, in order to prevent that disc 451, carousel second 5 from compressing tightly each other and overturning to one side, set up spring one 41 in order to play auxiliary stay effect, simultaneously because spring one 41's elasticity coefficient is less than spring two 42 for after compressing equidistant, the spring force that spring two 42 increases is greater than spring one 41's spring force that increases, in order to make things convenient for spring two 42 to promote carousel second 5 and be close to disc 451, and make flowmeter 1 both ends seal and compress tightly.

The cover disc 43 moves in a direction away from the first turntable 5, and the first and

second springs

41 and 42 are extended to move the second turntable 5 away from the first turntable 45, thereby increasing the distance between the first bosses 21 to place the flowmeter 1 of a larger size.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims

1. A flowmeter mounting table, characterized in that: including axle (3), axle (3) install carousel first subassembly (4), carousel first subassembly (4) can be followed axle (3) rotate, carousel first subassembly (4) include carousel first (45), carousel first (45) include guide pillar (452), carousel second (5) are installed in guide pillar (452) sliding connection, guide pillar (452) pass carousel second (5), carousel first (45), carousel second (5) can be close to each other or keep away from, carousel first (45) can drive carousel second (5) together rotate, a plurality of connecting pipes first (2) and one-to-one are all installed to carousel first (45), carousel second (5) circumference, connecting pipe first (2) are including being located inboard boss first (21), correspond two boss first (21) of connecting pipe first (2) set up relatively, the both sides of correspondence connecting pipe first (2) set up coaxially.

2. The flowmeter mounting block of claim 1, wherein: the first boss (21) is positioned between the first turntable (45) and the second turntable (5), a groove (211) is formed in the inner side of the first boss (21), and the grooves (211) are oppositely arranged at two sides.

3. The flowmeter mounting block of claim 1, wherein: the rotary table III (8) is fixedly arranged on two sides of the shaft (3), the rotary table III (8) rotates along with the shaft (3), the rotary table III (8) is provided with a connecting pipe II (7), and the connecting pipe II (7) is coaxial with the connecting pipe I (2).

4. A flowmeter mounting block as set forth in claim 3 wherein: the second connecting pipe (7) comprises an extension pipe (71), and the extension pipe (71) can extend out through the air cylinder (6) and is connected with the first connecting pipe (2).

5. A flowmeter mounting as set forth in claim 4 wherein: the second connecting pipe (7) comprises a second channel (72), the first connecting pipe (2) comprises a first channel (22), and when the extension pipe (71) is connected with the first connecting pipe (2), the first channel (22) is communicated with the second channel (72).

6. The flowmeter mounting block of claim 1, wherein: the diameters of the connecting pipes I (2) in the rotating disc I (45) are different.

7. The flowmeter mounting block of claim 1, wherein: the inner wall of the second turntable (5) is provided with a bulge, and the outer wall of the guide post (452) is provided with a corresponding groove, so that the second turntable (5) can axially move along the guide post (452).

8. The flowmeter mounting block of claim 1, wherein: the rotary table I (45) further comprises a disc (451), a first spring (41) is arranged between the rotary table II (5) and the disc (451), a cover disc (43) is connected to the guide pillar (452), the cover disc (43) is located on one side, far away from the disc (451), of the rotary table II (5), a second spring (42) is arranged between the cover disc (43) and the rotary table II (5), the cover disc (43) moves axially along the guide pillar (452) and is close to the rotary table II (5), the first spring (41) and the second spring (42) are compressed, so that the rotary table II (5) is close to the rotary table I (45), the cover disc (43) moves along the direction far away from the rotary table II (5), and the first spring (41) and the second spring (42) stretch, so that the rotary table II (5) is far away from the rotary table I (45).

9. The flowmeter mounting block of claim 8, wherein: the spring I (41) has a smaller spring constant than the spring II (42).

10. The flowmeter mounting block of claim 1, wherein: the first turntable (45) is fixedly connected with the shaft (3) through a fastener (44).