CN216717483U

CN216717483U - Wedge-shaped flowmeter with accurate measurement

Info

Publication number: CN216717483U
Application number: CN202123304047.1U
Authority: CN
Inventors: 闵金卫; 刘炎光
Original assignee: Yichang Throttling Device Manufacturing Jiangsu Co ltd
Current assignee: Yichang Throttling Device Manufacturing Jiangsu Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-06-10
Anticipated expiration: 2031-12-27

Abstract

The invention relates to the technical field of wedge-shaped flowmeters, in particular to a wedge-shaped flowmeter with accurate metering, which comprises a straight flowmeter pipe, wherein a V-shaped groove is formed in the middle of the straight flowmeter pipe, flanges are movably sleeved at two side ends of the straight flowmeter pipe, two circular columns are installed at two side ends of the straight flowmeter pipe in a penetrating and sliding mode, supporting columns are fixedly installed at the upper ends of the circumferential surfaces of the two circular columns, and an upper top plate is installed between the upper ends of the two supporting columns in a penetrating and sliding mode. The threaded rod is driven by the rotary ring to rotate in the inner thread of the upper top plate to drive the first wedge-shaped plate and the second wedge-shaped plate to move upwards, so that workers can clean the first wedge-shaped plate, the second wedge-shaped plate and a straight pipe of the flowmeter conveniently, the trapezoidal sliding block at the lower end of the bevel rectangular block moves in the trapezoidal groove formed by the first wedge-shaped plate and the second wedge-shaped plate, the included angle degree between the first wedge-shaped plate and the second wedge-shaped plate can be adjusted conveniently, and the sizes of the wedge-shaped grooves in different flowmeters are different, so that the flowmeter is suitable for different flowmeters.

Description

Wedge-shaped flowmeter with accurate measurement

Technical Field

The application relates to the technical field of wedge-shaped flowmeters, in particular to a wedge-shaped flowmeter with accurate measurement.

Background

The wedge-shaped flowmeter is a novel throttling differential pressure type flow measuring instrument, can carry out high-precision flow measurement under the condition of fluid which is high in viscosity, low in Reynolds number and capable of being used at Reynolds number of 500, the wedge-shaped flowmeter has incomparable advantages and irreplaceable effects on flow measurement occasions with low flow velocity, small flow and large pipe diameter, is mainly used for measuring the flow of media such as high-viscosity heavy oil, residual oil, diesel oil, engine oil and the like, industrial gas, coke oven gas, blast furnace gas, producer gas, urban gas, hydrogen, nitrogen, air, water vapor, sewage liquid and the like, the flowmeter has simple structure, no movable parts, difficult abrasion by fluid, stable and reliable working performance and long service life, and the measuring element and the pressure taking device of the flowmeter do not form retention or block when special fluid passes through, so that the pressure loss is small, and the flowmeter is an ideal choice for high-precision flow measurement under the condition of low Reynolds number;

as disclosed in the chinese patent: a wedge flow meter, publication no: CN205561935U, used for measuring the flow velocity and flow of the fluid in the pipeline, and the operational parameters can be changed by adjusting the wedge block during the measurement, so as to achieve the purpose of adjusting the flow velocity and flow, and the characteristics of practicality, reliability, simplicity and convenience are provided;

most of wedge blocks in the existing wedge-shaped flowmeter are fixed in a straight pipe section, so that the wedge blocks are inconvenient to install and disassemble and difficult to clean, and the result of flow test results has errors.

Disclosure of Invention

The invention aims to provide a wedge-shaped flowmeter with accurate measurement so as to solve the problems in the prior art.

The embodiment of the application adopts the following technical scheme:

the utility model provides a wedge flowmeter that measurement is accurate, includes the flowmeter straight tube, V type groove has been seted up in the middle of the flowmeter straight tube, the ring flange has been cup jointed in the activity of flowmeter straight tube both ends, flowmeter straight tube both ends run through slidable mounting and have two ring posts, two the equal fixed mounting in ring post circumference upper end has the support column, two alternate slidable mounting between the support column upper end and go up the roof, be located go up the roof upper end and have two nuts with two support column threaded connection.

Preferably, a threaded rod is connected to the middle of the upper top plate in a penetrating manner, a rotating ring is fixedly mounted at the upper end of the threaded rod, a cylindrical block is movably sleeved at the lower end of the threaded rod, and a hollow plate is fixedly mounted at the lower end of the cylindrical block.

Preferably, the hollow plate transversely runs through and has been seted up the rectangular channel, is located the rectangular channel that the hollow plate was seted up transversely slidable installs two hypotenuse rectangular blocks, two the equal fixed mounting of hypotenuse rectangular block side has trapezoidal slider.

Preferably, be located ring post upper end and with two support column slidable mounting have the rectangular block, be located the right-hand member rectangular block left side end slant fixed mounting has the second wedge type board.

Preferably, the lower end of the second wedge-shaped plate is hinged with a first wedge-shaped plate, the upper end of the first wedge-shaped plate is fixedly installed with a rectangular block located at the left side end, trapezoidal grooves are obliquely formed in the upper ends of the second wedge-shaped plate and the first wedge-shaped plate, and the trapezoidal grooves formed in the second wedge-shaped plate and the first wedge-shaped plate are slidably installed with trapezoidal sliding blocks.

Preferably, the lower ends of the second wedge-shaped plate and the first wedge-shaped plate are both movably sleeved with rubber pads in an inclined mode, and the second wedge-shaped plate and the first wedge-shaped plate are movably sleeved with a V-shaped groove formed in the straight pipe of the flowmeter through the rubber pads.

The embodiment of the application adopts at least one technical scheme which can achieve the following beneficial effects:

one of them, this measure accurate wedge flowmeter drives the threaded rod through the change and rotates at last roof internal thread, drives first wedge board and second wedge board and shifts up, simple structure, and convenient operation, the installation and the dismantlement of first wedge board and second wedge board make things convenient for the clearance of staff to first wedge board and second wedge board and flowmeter straight tube.

And secondly, the wedge-shaped flowmeter with accurate metering is hinged with a second wedge-shaped plate through a first wedge-shaped plate, and a trapezoidal sliding block at the lower end of the bevel edge rectangular block moves in a trapezoidal groove formed by the first wedge-shaped plate and the second wedge-shaped plate, so that the included angle degree between the first wedge-shaped plate and the second wedge-shaped plate can be conveniently adjusted, and the size of the wedge-shaped block can be conveniently adjusted according to the size of the wedge-shaped groove in different flowmeters, thereby being applicable to different flowmeters.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

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

FIG. 2 is a schematic diagram of the straight tube construction of the flowmeter of the present invention;

FIG. 3 is a schematic structural view of a first wedge plate of the present invention;

fig. 4 is a schematic structural view of a second wedge plate of the present invention.

In the figure: 1. rotating the ring; 11. a threaded rod; 12. an upper top plate; 13. a nut; 14. a support column; 15. a cylindrical block; 17. a hollow slab; 18. a rectangular groove; 19. a beveled rectangular block; 2. a trapezoidal slider; 22. a rectangular block; 23. a first wedge plate; 24. a second wedge plate; 25. a trapezoidal groove; 26. a rubber pad; 27. a circular column; 3. a flowmeter straight pipe; 31. a V-shaped groove; 32. a flange plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The technical solutions provided by the embodiments of the present application are described in detail below with reference to the accompanying drawings.

Referring to fig. 1-4, a wedge-shaped flowmeter with accurate measurement comprises a straight flowmeter tube 3, a V-shaped groove 31 is formed in the middle of the straight flowmeter tube 3, flanges 32 are movably sleeved at both side ends of the straight flowmeter tube 3, two circular columns 27 are slidably installed at both side ends of the straight flowmeter tube 3 in a penetrating manner, supporting columns 14 are fixedly installed at the upper ends of the circumferential surfaces of the two circular columns 27, an upper top plate 12 is slidably installed between the upper ends of the two supporting columns 14 in a penetrating manner, two nuts 13 are positioned at the upper end of the upper top plate 12 and are in threaded connection with the two supporting columns 14, a threaded rod 11 is connected in a penetrating manner in the middle of the upper top plate 12, a swivel 1 is fixedly installed at the upper end of the threaded rod 11, a cylindrical block 15 is movably sleeved at the lower end of the threaded rod 11, a hollow plate 17 is fixedly installed at the lower end of the cylindrical block 15, a rectangular groove 18 is transversely penetrated through the hollow plate 17, two bevel-edge rectangular blocks 19 are slidably installed in the rectangular groove 18 formed in the

hollow plate

17, 19 equal fixed mounting in side of two hypotenuse rectangular blocks has trapezoidal slider 2, be located annular column 27 upper end and with two support column 14 slidable mounting have

rectangular block

22, 22 left side end slant fixed mounting in rectangular block that is located the right-hand member have

second wedge plate

24, 24 lower extremes of second wedge plate articulate there is first wedge plate 23, first wedge plate 23 upper end and the rectangular block 22 fixed mounting who is located the left side end, trapezoidal groove 25 has been seted up to the equal slant in second wedge plate 24 and first wedge plate 23 upper end, trapezoidal groove 25 that second wedge plate 24 and first wedge plate 23 seted up all with trapezoidal slider 2 slidable mounting, rubber mat 26 has been cup jointed to the equal slant activity of second wedge plate 24 and first wedge plate 23 lower extreme, second wedge plate 24 and first wedge plate 23 cup joint the activity of V type groove 31 that rubber mat 26 and flowmeter straight tube 3 seted up through the activity of rubber mat 26 with V type groove 31

When the wedge-shaped flowmeter is used, a user rotates the rotating ring 1, the rotating ring 1 rotates to drive the threaded rod 11 to rotate, the threaded rod 11 is connected with the upper top plate 12 through threads, the upper top plate 12 is fixed at the upper ends of the two supporting columns 14 through the nuts 13 in a threaded manner, the threaded rod 11 can move upwards through the threads, the threaded rod 11 moves upwards to drive the cylindrical block 15 to move upwards, the cylindrical block 15 moves upwards to drive the rectangular groove 18 to move upwards, the rectangular groove 18 drives the two bevel-edge rectangular blocks 19 to move upwards, the two bevel-edge rectangular blocks 19 are connected with the second wedge-shaped plate 24 and the first wedge-shaped plate 23 through the trapezoidal sliding block 2 at the lower end, the bevel-edge rectangular block 19 drives the second wedge-shaped plate 24 and the first wedge-shaped plate 23 to move upwards, the second wedge-shaped plate 24 and the first wedge-shaped plate 23 move upwards in the supporting columns 14 through the rectangular blocks 22 at the two sides, and the wedge-shaped flowmeter with accurate metering drives the threaded rod 11 to rotate through the threads in the upper top plate 12 through the rotating ring 1, drive first wedge plate 23 and second wedge plate 24 and shift up, moreover, the steam generator is simple in structure, high durability and convenient operation, the installation and the dismantlement of first wedge plate 23 and second wedge plate 24, make things convenient for the staff to the clearance of first wedge plate 23 and second wedge plate 24 and flowmeter straight tube 3, simultaneously through the articulated of first wedge plate 23 with second wedge plate 24, and trapezoidal slider 2 of hypotenuse rectangular block 19 lower extreme removes in the dovetail groove 25 that first wedge plate 23 and second wedge plate 24 were seted up, be convenient for adjust the contained angle number of degrees between first wedge plate 23 and the second wedge plate 24, according to the size in the wedge groove in the different flowmeters, be convenient for adjust the size of wedge plate, be applicable to different flowmeters.

The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. The utility model provides an accurate wedge flowmeter of measurement, includes flowmeter straight tube (3), its characterized in that: v type groove (31) have been seted up in the middle of flowmeter straight tube (3), ring flange (32) have been cup jointed in flowmeter straight tube (3) both sides end activity, flowmeter straight tube (3) both sides end runs through slidable mounting and has two ring post (27), two equal fixed mounting in ring post (27) circumference upper end has support column (14), two it has last roof (12) to alternate slidable mounting between support column (14) upper end, is located go up roof (12) upper end and with two support column (14) threaded connection have two nuts (13).

2. The wedge flowmeter of claim 1, wherein: go up through threaded connection in the middle of roof (12) and have threaded rod (11), threaded rod (11) upper end fixed mounting has change (1), cylindrical block (15) have been cup jointed in the activity of threaded rod (11) lower extreme, cylindrical block (15) lower extreme fixed mounting has hollow slab (17).

3. The wedge flowmeter of claim 2, wherein: rectangular channel (18) have transversely been seted up in running through of hollow core slab (17), are located transverse sliding mounting has two hypotenuse rectangular blocks (19), two in rectangular channel (18) that hollow core slab (17) was seted up the equal fixed mounting in hypotenuse rectangular block (19) side has trapezoidal slider (2).

4. The wedge flowmeter of claim 1, wherein: and the upper end of the circular ring column (27) is slidably provided with a rectangular block (22) and two supporting columns (14), and the left end of the rectangular block (22) at the right end is obliquely and fixedly provided with a second wedge-shaped plate (24).

5. The wedge flowmeter of claim 4, wherein: second wedge type board (24) lower extreme articulates there is first wedge type board (23), rectangular block (22) fixed mounting on first wedge type board (23) upper end and the side of being located the left side, trapezoidal groove (25) have been seted up to equal slant in second wedge type board (24) and first wedge type board (23) upper end, trapezoidal groove (25) that second wedge type board (24) and first wedge type board (23) were seted up all with trapezoidal slider (2) slidable mounting.

6. The wedge flowmeter of claim 4, wherein: the rubber mat (26) is sleeved on the lower ends of the second wedge-shaped plate (24) and the first wedge-shaped plate (23) in an inclined mode, and the second wedge-shaped plate (24) and the first wedge-shaped plate (23) are movably sleeved with the V-shaped groove (31) formed in the flow meter straight pipe (3) through the rubber mat (26).