CN111207797B

CN111207797B - Stable turbine flowmeter

Info

Publication number: CN111207797B
Application number: CN202010039474.2A
Authority: CN
Inventors: 杨皓文; 孙建宇
Original assignee: Jiangsu Huaxia Instrument Co ltd
Current assignee: Jiangsu Huaxia Instrument Co ltd
Priority date: 2020-01-15
Filing date: 2020-01-15
Publication date: 2022-03-25
Anticipated expiration: 2040-01-15
Also published as: CN111207797A

Abstract

The invention belongs to the technical field of turbine flowmeters, and discloses a stable turbine flowmeter. The stable turbine flowmeter comprises a barrel and a meter, wherein the impeller part in the barrel is improved based on the prior art, and the stable turbine flowmeter also comprises a sensor, a converter and other devices which are electrically connected with the meter and used for collecting information, except for the structure provided by the claims, wherein the stable turbine flowmeter is based on the prior art, and the implementation of the technical scheme is not influenced and is not disclosed in the claims. This stable form turbine flowmeter, through the setting of filter material mechanism, adopt the structural design of loudspeaker form, can collect the impurity in the liquid, bear the impact of debris, avoid debris impact impeller to cause the damage to the impeller to the passageway that horn form was strained a cooperation water conservancy diversion pole and is formed is strained to the tubulose, for debris provide independent circulation passageway, reduce the debris impact that the impeller received, the impeller is not fragile, greatly reduced the cost of maintenance of this flowmeter, improve product life.

Description

Stable turbine flowmeter

Technical Field

The invention relates to the technical field of turbine flowmeters, in particular to a stable turbine flowmeter.

Background

The turbine flowmeter is a flowmeter for measuring by adopting a turbine, firstly converting the flow speed into the rotating speed of the turbine, then converting the rotating speed into an electric signal which is in direct proportion to the flow, the flowmeter is used for detecting instantaneous flow and total integrated flow, the output signal of the flowmeter is frequency and easy to digitize, an induction coil and a permanent magnet are fixed on a shell together, and when ferromagnetic turbine blades pass through the magnet, the magnetic resistance of a magnetic circuit is changed, so that an induction signal is generated.

The turbine flowmeter is widely applied, although the surface of the impeller is coated with corrosion-resistant coating, under the condition of encountering media with more impurities such as organic liquid and the like, the impeller is damaged by the impact of the media flowing at high speed on the surface of the impeller, so that the anti-corrosion coating can fall off in the past, the impeller is unstable in structure, the rotation is out of round, the detection of flow data is influenced, and the service life of the flow cannot be guaranteed.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the stable turbine flowmeter, which improves the durability of the flowmeter and prolongs the service life under the condition of stable operation.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a stable form turbine flowmeter, includes barrel and instrument, and this scheme improves the impeller part in the barrel based on prior art, and the structure that puts forward in the claim should still include, and the device that is connected with the instrument electricity such as sensor, converter for information collection all is based on prior art, does not influence this technical scheme and implements and does not disclose in the right, be provided with filter material mechanism, axle cylinder and magnetic impeller in the barrel, the fixed cover of magnetic impeller connects at the axle cylinder outer wall.

The filter material mechanism comprises a first support ring, a second support ring and a tubular filter cylinder, wherein the first support ring and the second support ring are fixedly sleeved at the left end and the right end of the inner wall of the cylinder body respectively, the left end and the right end of the outer wall of the tubular filter cylinder are fixedly connected with the inner wall of the first support ring and the inner wall of the second support ring respectively through supporting rods, and the left end and the right end in the shaft cylinder are movably connected with the tubular filter cylinder through bearings.

The left half section of a tubulose section of straining is the loudspeaker form, and the left end face and a support ring inner wall fixed connection of a tubulose section of straining a section of thick bamboo, four filtration pores have been seted up to the left half section of a tubulose section of straining a section of thick bamboo, it has the filter plate to bond in the filtration pore, the equal a set of guide post of fixedly connected with in position that the half section inner wall of a left side of a tubulose section of thick bamboo corresponds four filtration pores, the guide post is three to be a set of, the guide post that is located the middle part in a set of is close to the one end of one side fixedly connected with poking rod of filter plate, the other end of poking rod runs through the filter plate and extends to the outside that the tubulose was strained, the position that the shaft barrel inner wall corresponds four poking rods all is provided with the poking wheel.

Preferably, the four filter holes are annularly arranged by taking the axis of the tubular filter cylinder as a reference, the filter holes are trapezoidal, the left end opening of the cylinder body is an inlet, liquid entering the cylinder body can impact on the filter plate, impurities in the liquid are blocked by the filter plate and flow through the tubular filter cylinder, and the phenomenon that the magnetic impeller is damaged due to impact of the impurities to the structure of the magnetic impeller and the detection data are influenced can be avoided.

Preferably, the one end that extends to the tubulose and strain the outside of a section of thick bamboo of poker rod bonds the one end that has the rubber stick, and the breach has been seted up to one side that the rubber stick is close to the shaft section of thick bamboo with the poker rod junction, and the one side that the poker rod was kept away from to the breach bonds and has hit the piece, and its impeller dials the rubber slab and makes the beating piece have rhythmic beating and beat the transmission vibrations of poker rod, breaks up the accumulational filth of tubulose section of a section of thick bamboo left side, avoids the filth to form on the filter plate and piles up.

Preferably, the stainless steel filter plate is used as the filter plate, the striking block is a stainless steel block, and the poke rod and the flow guide rod are stainless steel rods.

Preferably, the rotation track of the far end of the wheel blade of the poking wheel coincides with one end, far away from the poking rod, of the rubber rod, and the impeller of the poking wheel can continuously poke the rubber rod in the rotation process.

Preferably, the three diversion rods in one group are mutually matched to form a channel with a wide left side and a narrow right side, the inner side surface of the filter plate and the inner wall of the tubular filter cylinder are positioned on the same curved surface, and dirt in a medium is prevented from being accumulated in a gap between the filter plate and the tubular filter cylinder.

(III) advantageous effects

By adopting the technical scheme, the invention has the beneficial effects that:

1. this stable form turbine flowmeter, through the setting of filter material mechanism, adopt the structural design of loudspeaker form, can collect the impurity in the liquid, bear the impact of debris, avoid debris impact impeller to cause the damage to the impeller to the passageway that horn form was strained a cooperation water conservancy diversion pole and is formed is strained to the tubulose, for debris provide independent circulation passageway, reduce the debris impact that the impeller received, the impeller is not fragile, greatly reduced the cost of maintenance of this flowmeter, improve product life.

2. This stable form turbine flowmeter, through the setting of poker rod, the cooperation is dialled the wheel and is rotated rhythmically stir the rubber stick, utilizes to hit the piece and hit the poker rod and give the tubulose vibrations transmission that the impact produced and strain a section of thick bamboo, to easy adnexed filth, vibrations can shake the filth and fall along with liquid discharge barrel, avoids the filter plate to block up, ensures the stable operation of this flowmeter.

Drawings

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

FIG. 2 is a schematic view of the inside of the cartridge according to the present invention;

fig. 3 is an enlarged view of the invention at a in fig. 2.

In the figure: the device comprises a cylinder 1, a meter 2, a filter material mechanism 3, a first support ring 31, a second support ring 32, a tubular filter cylinder 33, a shaft cylinder 4, a magnetic impeller 5, a filter hole 6, a filter plate 7, a guide rod 8, a poking rod 9, a poking wheel 10, a rubber rod 11, a notch 12 and a striking block 13.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, 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 invention.

Referring to fig. 1-3, the present invention provides a technical solution: a stable form turbine flowmeter, includes barrel 1 and instrument 2, and this scheme improves barrel 1 inner impeller part based on prior art, except that the structure that puts forward in the claim should still include, the device that is connected with the instrument electricity such as sensor, converter for information collection, all based on prior art, do not influence this technical scheme and implement and do not disclose in the right, be provided with filter material mechanism 3, axle cylinder 4 and magnetic impeller 5 in the barrel 1, and magnetic impeller 5 is fixed to be cup jointed at axle cylinder 4 outer wall.

The filter material mechanism 3 comprises a first support ring 31, a second support ring 32 and a tubular filter cartridge 33, wherein the first support ring 31 and the second support ring 32 are respectively and fixedly sleeved at the left end and the right end of the inner wall of the cylinder body 1, the left end and the right end of the outer wall of the tubular filter cartridge 33 are respectively and fixedly connected with the inner wall of the first support ring 31 and the inner wall of the second support ring 32 through supporting rods, and the left end and the right end in the shaft cylinder 4 are respectively and movably connected with the tubular filter cartridge 33 through bearings.

The left half section of the tubular filter cylinder 33 is horn-shaped, the left end face of the tubular filter cylinder 33 is fixedly connected with the inner wall of the first support ring 31, four filter holes 6 are formed in the left half section of the tubular filter cylinder 33, filter plates 7 are bonded in the filter holes 6, a group of guide rods 8 are fixedly connected to positions, corresponding to the four filter holes 6, of the inner wall of the left half section of the tubular filter cylinder 33, the guide rods 8 are in a group, one end, close to each filter plate 7, of each guide rod 8, located in the middle of each group of guide rods 8, one end of a poking rod 9 is fixedly connected to one side of each guide rod 8, located in the middle of each guide rod, the other end of each poking rod 9 penetrates through each filter plate 7 and extends to the outer side of the tubular filter cylinder 33, poking wheels 10 are arranged on positions, corresponding to the four poking rods 9, of the inner wall of the shaft cylinder 4, the poking wheels 10 are installed through matching pin shafts of two parallel vertical rods, and the poking wheels 10 rotate between the two vertical rods.

The four filter holes 6 are annularly arranged by taking the axis of the tubular filter cylinder 33 as a reference, the filter holes 6 are trapezoidal, the left end opening of the cylinder 1 is an inlet, liquid entering the cylinder 1 can impact the filter plate 7, impurities in the liquid are blocked by the filter plate 7 and flow through the tubular filter cylinder 33, and the phenomenon that the magnetic impeller 5 is damaged due to impact of the impurities to cause damage to the structure of the magnetic impeller and influence detection data can be avoided.

One end of the poking rod 9 extending to the outer side of the tubular filter cylinder 33 is bonded with one end of a rubber rod 11, one side, close to the shaft cylinder 4, of the joint of the rubber rod 11 and the poking rod 9 is provided with a notch 12, one side, far away from the poking rod 9, of the notch 12 is bonded with a beating block 13, an impeller of the poking wheel 10 in the rotating process dials the rubber rod 11 to enable the beating block 13 to have rhythmic beating, the beating block 9 transmits vibration, accumulated dirt on the left half section of the tubular filter cylinder 33 is knocked out, and the dirt is prevented from being accumulated on the filter plate 7.

The filter plate 7 is made of stainless steel, the beating block 13 is made of stainless steel, and the poking rod 9 and the flow guide rod 8 are made of stainless steel.

The rotating track of the far end of the wheel blade of the poking wheel 10 is overlapped with one end, far away from the poking rod 9, of the rubber rod 11, and the impeller of the poking wheel 10 can continuously poke the rubber rod 11 in the rotating process.

The three guide rods 8 in one group are mutually matched to form a channel with a wide left part and a narrow right part, the inner side surface of the filter plate 7 and the inner wall of the tubular filter cylinder 33 are positioned in the same curved surface, and dirt in a medium is prevented from being accumulated in a gap between the filter plate 7 and the tubular filter cylinder 33.

When the stable turbine flowmeter works, the left end opening of the cylinder body 1 is a liquid inlet, liquid enters the cylinder body 1, impurities in the liquid are filtered by the filter plate 7, and quickly enter the right section of the tubular filter cylinder 33 through a channel formed between the guide rods 8 and are discharged out of the cylinder body 1, and the stirring wheel 10 and the magnetic impeller 5 rotate along with the flowing of the liquid, the stirring wheel 10 rotates to continuously stir the rubber rod 11, so that the beating block 13 beats the stirring rod 9 to shake and drop dirt on the filter plate 7.

In conclusion, the stable turbine flowmeter adopts the horn-shaped structural design through the arrangement of the filter material mechanism 3, can collect impurities in liquid, bears the impact of the impurities, avoids the damage to the impeller caused by the impact of the impurities on the impeller, and provides an independent circulation channel for the impurities by matching the horn-shaped tubular filter cylinder 33 with the channel formed by the guide rod 8, so that the impact of the impurities on the impeller is reduced, the impeller is not easy to damage, the maintenance cost of the flowmeter is greatly reduced, and the service life of the flowmeter is prolonged; through the setting of the poking rod 9, the poking wheel 10 is matched to rotate the rhythmic poking rubber rod 11, the poking rod 9 is hit by the hitting block 13, vibration generated by impact is transmitted to the tubular filter cylinder 33, and the vibration can shake the dirt along with the liquid discharged from the cylinder body 1 aiming at the dirt easy to adhere, so that the filter plate 7 is prevented from being blocked, and the stable operation of the flowmeter is ensured.

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. The utility model provides a stable form turbine flowmeter, includes barrel (1) and instrument (2), its characterized in that: the filter material mechanism (3), the shaft cylinder (4) and the magnetic impeller (5) are arranged in the cylinder body (1), and the magnetic impeller (5) is fixedly sleeved on the outer wall of the shaft cylinder (4);

the filter material mechanism (3) comprises a first support ring (31), a second support ring (32) and a tubular filter cylinder (33), the first support ring (31) and the second support ring (32) are fixedly sleeved at the left end and the right end of the inner wall of the cylinder body (1) respectively, the left end and the right end of the outer wall of the tubular filter cylinder (33) are fixedly connected with the inner wall of the first support ring (31) and the inner wall of the second support ring (32) respectively through supporting rods, and the left end and the right end in the shaft cylinder (4) are movably connected with the tubular filter cylinder (33) through bearings;

the left half section of the tubular filter cylinder (33) is in a horn shape, the left end face of the tubular filter cylinder (33) is fixedly connected with the inner wall of a first support ring (31), the left half section of the tubular filter cylinder (33) is provided with four filter holes (6), a filter plate (7) is bonded in each filter hole (6), the positions of the inner wall of the left half section of the tubular filter cylinder (33) corresponding to the four filter holes (6) are fixedly connected with a group of guide rods (8), the three guide rods (8) are grouped, one side of each guide rod (8) positioned in the middle of each group, which is close to each filter plate (7), is fixedly connected with one end of a poking rod (9), the other end of each poking rod (9) penetrates through each filter plate (7) and extends to the outer side of the tubular filter cylinder (33), poking wheels (10) are arranged at the positions of the inner wall of a shaft cylinder (4) corresponding to the four guide rods (9), one end of each poking rod (9) extending to the outer side of the tubular filter cylinder (33) is bonded with one end of a rubber rod (11), a gap (12) is formed in one side, close to the shaft barrel (4), of the joint of the rubber rod (11) and the poke rod (9), and a striking block (13) is bonded to one side, far away from the poke rod (9), of the gap (12).

2. The stabilized turbine flowmeter of claim 1, wherein: the four filter holes (6) are annularly arranged by taking the axis of the tubular filter cylinder (33) as a reference, the filter holes (6) are trapezoidal, and the left end opening of the cylinder body (1) is an inlet.

3. The stabilized turbine flowmeter of claim 1, wherein: the stainless steel filter plate is characterized in that the filter plate (7) is a stainless steel filter plate (7), the striking block (13) is a stainless steel block, and the poke rod (9) and the guide rod (8) are stainless steel rods.

4. The stabilized turbine flowmeter of claim 1, wherein: the far end rotating track of the wheel blade of the poking wheel (10) is overlapped with one end of the rubber rod (11) far away from the poking rod (9).

5. The stabilized turbine flowmeter of claim 1, wherein: the three guide rods (8) in one group are mutually matched to form a channel with a wide left and a narrow right, and the inner side surface of the filter plate (7) and the inner wall of the tubular filter cylinder (33) are positioned in the same curved surface.