CN207894465U - A kind of horizontal metal blade flowmeter - Google Patents

Abstract

The utility model discloses a kind of horizontal metal blade flowmeters, including greater trochanter, scraper plate and outer housing, pendulum phase formula inner housing is arranged in outer housing, rotor is installed in pendulum phase formula inner housing, two scraper plates are mounted on the rotor by scraper plate connecting rod, protecgulum in the rotor front end axis connection of rotor one end, the connecting pin of rotor front end axis is by being equipped with bracket gear set in mechanical seal, difference adjuster is installed in bracket gear set, bracket gear set connects big character code counter by commutating tooth wheel set, and pulse signalling generator is equipped in commutating tooth wheel set；The horizontal metal blade flowmeter exterior design of the utility model is novel, small, light-weight；Movable member only has rotor and scraper plate, substantially reduces movement failure rate, improves service life；Horizontal design makes even running shaft strength equilibrium improve service life；Difference adjuster uses scientific and reasonable designed ratios tune difference principle, adjusts poor precision height, zero drift；Double-shell structure can ensure that measuring accuracy, easy to clean, repair.

Description

A kind of horizontal metal blade flowmeter

Technical field

The utility model is related to a kind of flowmeter, more particularly to a kind of horizontal metal blade flowmeter.

Background technology

Metal scrape plate flow meter is a kind of volumetric flow metering instrument.Its accurate measurement pipeline for connection or discontinuously In the fluid flow that flows through, be widely used in the departments such as oil, chemical industry, light industry, traffic, business, especially suitable for crude oil, residual oil, The metering of the industrial medias such as product oil, lighter hydrocarbons, the flowmeter live can indicate that character code is directly read, and exportable electric pulse is believed Number, for display instrument and computer disposal, to realize the remote centralized control of pipeline flow, but existing cockscomb stream That there are structure movable members is more for gauge, poor low precision, signal is adjusted to export unstable, the low problem of service life.

Utility model content

The utility model proposes a kind of horizontal metal blade flowmeters, solve metal scrape plate flow meter in the prior art Structure movable member it is more, adjust poor low precision, signal to export unstable, the low problem of service life.

In order to solve the above-mentioned technical problem, the utility model provides the following technical solution：

A kind of horizontal metal blade flowmeter of the utility model, including big character code counter, rotor, scraper plate and outer housing, It is arranged with pendulum phase formula inner housing in the outer housing, rotor, and the pendulum phase formula inner casing are installed in the pendulum phase formula inner housing It is symmetrical arranged in vivo there are two scraper plate, two scraper plates are mounted on the rotor by scraper plate connecting rod, described rotor one end Rotor rear axle is connected by adjusting rear cover in rear cover connection, the rotor front end axis of the rotor other end by adjustment spring seat Mechanical seal is bolted in the connecting pin of interior protecgulum, rotor front end axis, and bracket tooth is equipped in the mechanical seal Wheel group, is equipped with difference adjuster in the bracket gear set, and the bracket gear set, which passes through commutating tooth wheel set and connects big character code, to be counted Device, and be equipped in the commutating tooth wheel set using digitally coded pulse signalling generator.

As a kind of optimal technical scheme of the utility model, two scraper plate connecting rods, which symmetrically vertically run through, to be turned Son, both ends are inserted into scraper plate, and two scraper plate connecting rods are fixed by the pressing plate being mounted on the rotor, the scraper plate with It is provided with rubber scraping article between pendulum phase formula inner housing, the rubber scraping article is screwed on scraper plate.

As a kind of optimal technical scheme of the utility model, the forward open end and rear open end of the pendulum phase formula inner housing It is sealed with interior protecgulum and interior rear cover respectively, the interior protecgulum and the adjustment spring seat installed thereon are set in rotor front end axis On, the interior rear cover and the adjusting rear cover installed thereon are set in rotor rear axle.

As a kind of optimal technical scheme of the utility model, after the rear open end of the outer housing has been bolted The forward open end of end cap, the outer housing has been bolted outer cover, and is bolted at the open front of the outer cover Mechanical seal.

As a kind of optimal technical scheme of the utility model, the top of the outer housing is provided with exhaust outlet, and described The bottom end of outer housing is symmetrically connected with footing, and the sewage draining exit of connection outer housing is provided between two footing.

The advantageous effect that the utility model is reached is：The horizontal metal blade flowmeter exterior design of the utility model is new It is clever, small, light-weight；The advanced accuracy of structural principle is high 0.1, repeat 0.02 range of flow extensively, the low noise that operates steadily, Service life is long；Former blade flowmeter structure movable member is more, and the flowmeter movable member of the utility model only has rotor and scrapes Plate, this spline structure substantially reduce movement failure rate, improve service life；Horizontal design makes even running shaft strength equilibrium improve Service life；Difference adjuster uses scientific and reasonable designed ratios tune difference principle, adjusts poor precision height, zero drift；Inlet and outlet and measurement chamber It picks up from power elementary errors and starts scraper plate design, reduce the pressure loss；Double-shell structure can eliminate tubing tension and inner cavity is caused to deform, because of height Pressure makes measurement chamber deform, it is ensured that measuring accuracy, easy to clean, repair；Pulse signalling generator uses digital coding, signal to receive various Change, signal output has single channel and multichannel, and precision is high, stability is good；It can be reset using big word count direct-reading and seven stored counts Function.

Description of the drawings

Attached drawing is used to provide a further understanding of the present invention, and a part for constitution instruction, with this practicality Novel embodiment for explaining the utility model, does not constitute limitations of the present invention together.In the accompanying drawings：

Fig. 1 is the subjective structural schematic diagram of the utility model；

In figure：1, big character code counter；2, pulse signalling generator；3, commutating tooth wheel set；4, difference adjuster；5, bracket gear set； 6, mechanical seal；7, adjustment spring seat；8, interior protecgulum；9, rotor；10, scraper plate；11, scraper plate connecting rod；12, exhaust outlet；13, rubber Glue scraping article；14, phase formula inner housing is put；15, interior rear cover；16, rear cover is adjusted；17, rear end cap；18, outer cover；19, outer housing；20、 Sewage draining exit；21, footing；22, rotor rear axle；23, rotor front end axis；24, pressing plate.

Specific implementation mode

The preferred embodiment of the utility model is illustrated below in conjunction with attached drawing, it should be understood that described herein excellent It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.

Embodiment 1

As shown in Figure 1, the utility model provides a kind of horizontal metal blade flowmeter, including big character code counter 1, rotor 9, scraper plate 10 and outer housing 19 are arranged with pendulum phase formula inner housing 14 in outer housing 1, use double-shell structure, its advantage is that can be with It eliminates and measures inaccuracy caused by causing flowmeter Wall deformation due to external force such as pressure difference and tubing tensions, and be convenient to flow The repair and maintenance of meter are equipped with rotor 9 in pendulum phase formula inner housing 14, and put and be symmetrical arranged that there are two scrape in phase formula inner housing 14 Plate 10, two scraper plates 10 are mounted on by scraper plate connecting rod 11 on rotor 9, and movable member only has rotor 9 and scraper plate 10, ties in this way Structure substantially reduces movement failure rate, improves service life, and the rotor rear axle 22 of 9 one end of rotor is by adjusting in rear cover 16 connects The rotor front end axis 23 of rear cover 15,9 other end of rotor connects interior protecgulum 8, the connection of rotor front end axis 23 by adjustment spring seat 7 Mechanical seal 6 is bolted in end, and bracket gear set 5 is equipped in mechanical seal 6, and it is poor that tune is equipped in bracket gear set 5 Device 4, difference adjuster 4 use scientific and reasonable designed ratios tune difference principle, and poor precision height, zero drift, bracket gear set 5 is adjusted to pass through commutation Gear pair 3 connects big character code counter 1, and big character code counter 1 can show the stored counts of certain time period, and return-to-zero.And It is equipped in commutating tooth wheel set 3 using digitally coded pulse signalling generator 2, pulse signalling generator 2 uses digital coding, signal to receive Diversification, signal output have single channel and multichannel, and precision is high, stability is good.

Two scraper plate connecting rods 11 are symmetrical vertically to run through rotor 9, and both ends are inserted into scraper plate 10, and two scraper plate connections Bar 11 is fixed by the pressing plate 24 on rotor 9, and rotor 9 drives scraper plate 10 to rotate by scraper plate connecting rod 11, scraper plate 10 It is provided with rubber scraping article 13 between pendulum phase formula inner housing 14, rubber scraping article 13 is screwed on scraper plate 10, can be to prevent The only damage of scraper plate 10 pendulum phase formula inner housing 14.

The forward open end and rear open end of pendulum phase formula inner housing 14 are sealed with interior protecgulum 8 and interior rear cover 15, interior protecgulum 8 respectively And the adjustment spring seat 7 installed thereon is set on rotor front end axis 23, after interior rear cover 15 and the adjusting installed thereon Lid 16 is set in rotor rear axle 22, convenient for rotor 9 to be sealed in pendulum phase formula inner housing 14.

The rear open end of outer housing 19 has been bolted rear end cap 17, and the forward open end of outer housing 19 is solid by bolt Surely there is outer cover 18, and mechanical seal 6 is bolted at the open front of outer cover 18, pendulum phase formula inner housing 14 is sealed in shell In body 29, and outer housing 19 is easily installed and dismantles.

The top of outer housing 19 is provided with exhaust outlet 12, and convenient for exhaust, and the bottom end of outer housing 19 is symmetrically connected with footing 21, flowmeter can be supported, the sewage draining exit 20 of connection outer housing 19 is provided between two footing 21, convenient for discharge outer housing 19 In dirt.

The horizontal blade flowmeter of the utility model mainly by big character code counter 1, pulse signalling generator 2, difference adjuster 4, The inlet and outlet of outer housing 19, pendulum phase formula inner housing 14 and rotor 9 form, when fluidimeter is run, liquid is by putting phase formula inner housing 14 input ends, because forming thrust in small differential pressure effect scraper plates 10, rotor rotates two scraper plates 10, forms a sealing type measuring Chamber, liquid are discharged from outlet, and the fixed volume for 4 measurement chambers of discharge that turn around per axis obtains volume by tachometric survey.

The horizontal metal blade flowmeter exterior design of the utility model is novel, small, light-weight；Structural principle is advanced Accuracy is high 0.1, repeat 0.02 range of flow extensively, the low noise that operates steadily, service life are long；Former blade flowmeter structure can Dynamic component is more, and the flowmeter movable member of the utility model only has rotor 9 and scraper plate 10, this spline structure substantially reduces movement failure Rate improves service life；Horizontal design makes even running shaft strength equilibrium improve service life；Difference adjuster 4 is closed using science Designed ratios tune difference principle is managed, poor precision height, zero drift are adjusted；Inlet and outlet pick up from power elementary errors with measurement chamber and start scraper plate design, subtract Few pressure loss；Double-shell structure can eliminate tubing tension and inner cavity is caused to deform, because high pressure makes measurement chamber deform, it is ensured that metering essence Degree, easy to clean, repair；Pulse signalling generator 2 uses digital coding, signal to receive diversification, and signal output has single channel and multichannel, Precision is high, stability is good；It can Protection Counter Functions using big word count direct-reading and seven stored counts.

Finally it should be noted that：The above descriptions are merely preferred embodiments of the present invention, is not limited to this Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art For, it still can be with technical scheme described in the above embodiments is modified, or to which part technical characteristic Carry out equivalent replacement.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on, It should be included within the scope of protection of this utility model.

Claims (5)

1. a kind of horizontal metal blade flowmeter, including big character code counter（1）, rotor（9）, scraper plate（10）And outer housing （19）, which is characterized in that the outer housing（19）Inside it is arranged with pendulum phase formula inner housing（14）, the pendulum phase formula inner housing（14）It is interior Rotor is installed（9）, and the pendulum phase formula inner housing（14）It is interior to be symmetrical arranged there are two scraper plate（10）, two scraper plates（10） Pass through scraper plate connecting rod（11）Mounted on rotor（9）On, the rotor（9）The rotor rear axle of one end（22）By adjusting rear cover （16）Rear cover in connection（15）, the rotor（9）The rotor front end axis of the other end（23）Pass through adjustment spring seat（7）Before in connection Lid（8）, rotor front end axis（23）Connecting pin mechanical seal is bolted（6）, the mechanical seal（6）Upper installation There is bracket gear set（5）, the bracket gear set（5）Difference adjuster is inside installed（4）, the bracket gear set（5）Pass through commutation Gear pair（3）Connect big character code counter（1）, and the commutating tooth wheel set（3）On be equipped with using digitally coded pulse send out Interrogate device（2）.

2. a kind of horizontal metal blade flowmeter according to claim 1, which is characterized in that two scraper plate connecting rods （11）It is symmetrical vertically to run through rotor（9）, scraper plate is inserted at both ends（10）It is interior, and two scraper plate connecting rods（11）Pass through peace Mounted in rotor（9）On pressing plate（24）It is fixed, the scraper plate（10）With pendulum phase formula inner housing（14）Between be provided with rubber scraping article （13）, the rubber scraping article（13）It is screwed in scraper plate（10）On.

3. a kind of horizontal metal blade flowmeter according to claim 1, which is characterized in that the pendulum phase formula inner housing （14）Forward open end and rear open end be sealed with interior protecgulum respectively（8）With interior rear cover（15）, the interior protecgulum（8）And thereon The adjustment spring seat of installation（7）It is set in rotor front end axis（23）On, the interior rear cover（15）And the adjusting installed thereon Rear cover（16）It is set in rotor rear axle（22）On.

4. a kind of horizontal metal blade flowmeter according to claim 1, which is characterized in that the outer housing（19）After Open end has been bolted rear end cap（17）, the outer housing（19）Forward open end be bolted outer cover （18）, and the outer cover（18）Open front at mechanical seal is bolted（6）.

5. a kind of horizontal metal blade flowmeter according to claim 1, which is characterized in that the outer housing（19）Top End is provided with exhaust outlet（12）, and the outer housing（19）Bottom end be symmetrically connected with footing（21）, two footing（21） Between be provided with connection outer housing（19）Sewage draining exit（20）.