CN219161367U - Low-abrasion turbine flowmeter - Google Patents

Abstract

The utility model belongs to the technical field of turbine flowmeter production, and discloses a low-abrasion turbine flowmeter. The low-abrasion turbine flowmeter comprises a pipe body, wherein a flow sensor is arranged on the upper side of the pipe body, the bottom end of the flow sensor extends into the pipe body, a counter is fixedly arranged at the top end of the flow sensor, a front guide and a rear guide are arranged in the pipe body, one ends of a plurality of guide vanes are fixedly connected to the outer side of the front guide, and the other ends of the guide vanes are fixedly connected with the inner wall of the pipe body. This low-wear turbine flowmeter, through guiding mechanism's design, can carry out the water conservancy diversion with less impurity, limiting plate design is in the anterior segment of turbine, and inside medium is when flowing the rotatory piece of impact makes it rotatory to drive the bull stick and rotate, rotate less impurity to the impurity removal breach and discharge, can intercept the water conservancy diversion with it from the anterior segment of turbine, guarantee the life and the measurement accuracy of turbine.

Description

Low-abrasion turbine flowmeter

Technical Field

The utility model relates to the technical field of turbine flowmeter production, in particular to a low-abrasion turbine flowmeter.

Background

The turbine flowmeter is a speed type flow metering device with temperature and pressure compensation functions, belongs to one of speed type flowmeters, and has the following working principle: the power of the flowing fluid drives the turbine blades to rotate at a rotational speed approximately proportional to the volumetric flow rate, and the volumetric indication of the fluid through the meter is based on the number of turbine wheel revolutions.

In order to ensure the service life of the turbine flowmeter, a filter or a filtering device is generally arranged in front of a straight pipe section of the turbine flowmeter, and small impurities in the measured medium are difficult to filter, so that the turbine flowmeter can be damaged to a certain extent when being used normally, the service life and the measurement accuracy of the turbine flowmeter are affected, and therefore, the turbine flowmeter with low abrasion is designed.

Disclosure of Invention

The utility model aims to provide a low-abrasion turbine flowmeter, which can guide smaller impurities without contacting with a turbine through the design of a guide device and a guide vane, and solves the problems in the background technology.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a turbine flowmeter of low wearing and tearing, includes the body, the upside of body is provided with flow sensor, and flow sensor's bottom extends to in the body, flow sensor's top fixed mounting has the counter, be provided with preceding direction and back direction in the body, the outside fixedly connected with a plurality of guide vane's of preceding direction one end, the other end and the inner wall fixed connection of body of guide vane, the outside of back direction is through connecting piece and the inner wall fixed connection of body, there is the turbine through bearing swing joint between preceding direction and the back direction, be provided with guiding mechanism between the guide vane.

Through above-mentioned technical scheme, this application can accomplish the water conservancy diversion to the granule impurity, can intercept the water conservancy diversion with the granule impurity that will strike the turbine at the guiding mechanism that the turbine front end set up, guarantees the life and the measurement accuracy of turbine, and can not contact with the turbine when normal flow from the granule impurity that the guiding mechanism outside passed through, further guarantees the result of use of turbine.

Preferably, guiding mechanism includes limiting plate, connecting rod, rotatory piece, water conservancy diversion muscle, bull stick and row miscellaneous breach, fixedly connected with limiting plate between the water conservancy diversion piece, the interior bottom wall of limiting plate has the connecting rod through bearing swing joint, rotatory piece has been cup jointed in the outside of connecting rod fixedly, the outside fixedly connected with water conservancy diversion muscle of rotatory piece, the outside of connecting rod just is located the right side fixedly connected with bull stick of rotatory piece, row miscellaneous breach has still been seted up on the limiting plate.

The impact force generated by medium flow in the pipe drives the rotating block to rotate through the guide rib, so that the rotating rod is driven to rotate, and the rotating rod rotates small particle impurities which are impacted onto the inner bottom wall of the limiting plate to the impurity discharging notch and is discharged.

Preferably, the outside of guide vane has offered the intercommunication breach and has linked together with the trash removal breach that corresponds, still offered L type guide way in the guide vane, and L type guide way is linked together with the intercommunication breach, the right-hand member of guide vane has the stand pipe through L type guide way fixed intercommunication.

The small particle impurities enter the L-shaped guide groove and the guide pipe through the impurity discharging notch and the communicating notch and are finally discharged through the guide pipe, so that the influence on the turbine is avoided.

Preferably, the number of the rotating rods is four, the rotating rods are distributed in an annular mode by taking the circle center of the connecting rod as the center, and the right wall of each rotating rod is in contact with the inner bottom wall of the limiting plate.

Preferably, the diameter of the circle formed by the guide pipes is larger than that of the turbine, the right end of the guide pipes extends to the right side of the turbine, and the bottom ends of the flow sensors are flush with the inner wall of the pipe body.

The small particle impurities are discharged to the right end of the turbine through the guide pipes, so that the small particle impurities are prevented from contacting the turbine in the flow guiding process, and the gaps between the guide pipes do not influence the normal operation of the flow sensor.

Preferably, the rotating block is in a shape of a circular truncated cone, and the diameters of the impurity discharging notch and the communicating notch are consistent.

Ensure that the impurity can be smoother in the moving process.

By adopting the technical scheme, the utility model has the beneficial effects that:

1. this low-wear turbine flowmeter, through guiding mechanism's design, can carry out the water conservancy diversion with less impurity, limiting plate design is in the anterior segment of turbine, and inside medium is when flowing the rotatory piece of impact makes it rotatory to drive the bull stick and rotate, rotate less impurity to the impurity removal breach and discharge, can intercept the water conservancy diversion with it from the anterior segment of turbine, guarantee the life and the measurement accuracy of turbine.

2. This turbine flowmeter of low wearing and tearing, through guide vane, L type guide way and to the design of stand pipe, small particle impurity can be directly guided to the rear section of turbine, can not contact with the turbine, guarantees its life, and can not influence the measurement accuracy of turbine.

Drawings

FIG. 1 is a front elevational view of the structure of the present utility model;

FIG. 2 is a front cross-sectional view of the structure of the present utility model;

FIG. 3 is a front left side view of the present utility model;

fig. 4 is an enlarged view of a portion a of fig. 3, which is a structural view of the present utility model.

In the figure: the device comprises a tube body 1, a flow sensor 2, a counter 3, a front guide 4, a rear guide 5, a guide vane 6, a 61 communication notch, a 62L-shaped guide groove, a guide tube 63, a turbine 7, a guide mechanism 8, a limiting plate 81, a connecting rod 82, a rotating block 83, guide ribs 84, a rotating rod 85 and a impurity discharging notch 86.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a turbine flowmeter of low wearing and tearing, including body 1, the upside of body 1 is provided with flow sensor 2, and flow sensor 2's bottom extends to in body 1, flow sensor 2's top fixed mounting has counter 3, be provided with preceding direction 4 and back direction 5 in the body 1, preceding direction 4's outside fixedly connected with a plurality of guide vane 6's one end, guide vane 6's the other end and the inner wall fixed connection of body 1, back direction 5's the outside is through connecting piece and the inner wall fixed connection of body 1, there is turbine 7 through bearing swing joint between preceding direction 4 and the back direction 5, be provided with guiding mechanism 8 between the guide vane 6.

Through above-mentioned technical scheme, this application can accomplish the water conservancy diversion to the granule impurity, can intercept the water conservancy diversion with the granule impurity that will strike turbine 7 at the guiding mechanism 8 that turbine 7 anterior segment set up, guarantees turbine 7's life and measurement accuracy, and the granule impurity that passes through from guiding mechanism 8 outside can not contact with turbine 7 when normal flow, further guarantees turbine 7's result of use.

Guiding mechanism 8 includes limiting plate 81, connecting rod 82, rotatory piece 83, water conservancy diversion muscle 84, bull stick 85 and row miscellaneous breach 86, fixedly connected with limiting plate 81 between the guide vane 6, and the interior bottom wall of limiting plate 81 is through bearing swing joint having connecting rod 82, and rotatory piece 83 has been cup jointed to the outside of connecting rod 82 is fixed, and the outside fixedly connected with water conservancy diversion muscle 84 of rotatory piece 83, the outside of connecting rod 82 just is located rotatory piece 83's right side fixedly connected with bull stick 85, has still seted up row miscellaneous breach 86 on the limiting plate 81.

The impact force generated by the medium flow in the pipe body 1 drives the rotating block 83 to rotate through the guide rib 84 so as to drive the rotating rod 85 to rotate, and the rotating rod 85 rotates small particle impurities which are impacted on the inner bottom wall of the limiting plate 81 to the impurity discharging notch 86 and is discharged.

The outside of guide vane 6 has been seted up intercommunication breach 61 and is linked together with the trash removal breach 86 that corresponds, has still seted up L type guide way 62 in the guide vane 6, and L type guide way 62 is linked together with intercommunication breach 61, and the right-hand member of guide vane 6 is through L type guide way 62 fixed intercommunication has stand pipe 63.

The small particle impurities enter the L-shaped guide groove 62 and the guide pipe 63 through the impurity discharging notch 86 and the communicating notch 61 and finally are discharged through the guide pipe 63, so that the influence on the turbine 7 is avoided.

The number of the rotating rods 85 is four, the rotating rods are distributed in an annular shape by taking the center of the connecting rod 82 as the center, and the right wall of the rotating rod 85 is contacted with the inner bottom wall of the limiting plate 81.

The diameter of the circle formed by the guide tube 63 is larger than that of the turbine 7, and the right end of the guide tube 63 extends to the right side of the turbine 7, and the bottom end of the flow sensor 2 is flush with the inner wall of the tube body 1.

The small particle impurities are discharged to the right end of the turbine 7 through the guide pipes 63, so that the small particle impurities cannot contact with the turbine 7 in the flow guiding process, and the normal operation of the flow sensor 2 cannot be influenced by gaps between the guide pipes 63.

The rotary block 83 has a truncated cone shape, and the impurity removal notch 86 has a diameter identical to that of the communication notch 61.

Ensure that the impurity can be smoother in the moving process.

This low wear's turbine flowmeter during operation, the inside medium of body 1 can strike rotatory piece 83 and limiting plate 81 in the flow in-process, drive rotatory piece 83 through water conservancy diversion muscle 84 and connecting rod 85 and rotate, simultaneously bull stick 85 can follow and rotate, the impurity of striking to on the limiting plate 81 and the impurity of water conservancy diversion through water conservancy diversion muscle 84 can adhere to the interior bottom wall of limiting plate 81, bull stick 85 drives its row to arrange miscellaneous breach 86, thereby water conservancy diversion to the right section of turbine 7 through L type guide way 62 and stand pipe 63, guarantee that little granule impurity can not cause the influence to turbine 7, guarantee turbine 7's life.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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 utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a turbine flowmeter of low wearing and tearing, includes body (1), the upside of body (1) is provided with flow sensor (2), and in the bottom of flow sensor (2) extends to body (1), the top fixed mounting of flow sensor (2) has counter (3), its characterized in that: be provided with preceding direction (4) and back direction (5) in body (1), the one end of the outside fixedly connected with a plurality of guide vane (6) of preceding direction (4), the other end and the inner wall fixed connection of body (1) of guide vane (6), the outside of back direction (5) is through connecting piece and the inner wall fixed connection of body (1), there is turbine (7) through bearing swing joint between preceding direction (4) and the back direction (5), be provided with guiding mechanism (8) between guide vane (6).

2. The low wear turbine flow meter of claim 1, wherein: guiding mechanism (8) are including limiting plate (81), connecting rod (82), rotatory piece (83), water conservancy diversion muscle (84), bull stick (85) and row miscellaneous breach (86), fixedly connected with limiting plate (81) between water conservancy diversion piece (6), the interior bottom wall of limiting plate (81) is through bearing swing joint has connecting rod (82), rotatory piece (83) have been cup jointed in the outside of connecting rod (82) is fixed, the outside fixedly connected with water conservancy diversion muscle (84) of rotatory piece (83), the outside of connecting rod (82) just is located the right side fixedly connected with bull stick (85) of rotatory piece (83), row miscellaneous breach (86) have still been seted up on limiting plate (81).

3. The low wear turbine flow meter of claim 2, wherein: the outside of guide vane (6) has seted up intercommunication breach (61) and is linked together with the miscellaneous breach (86) of row that corresponds, L type guide way (62) have still been seted up in guide vane (6), and L type guide way (62) are linked together with intercommunication breach (61), the right-hand member of guide vane (6) is through L type guide way (62) fixed intercommunication have stand pipe (63).

4. A low wear turbine flow meter in accordance with claim 3 wherein: the number of the rotating rods (85) is four, the rotating rods are distributed annularly by taking the center of a connecting rod (82) as the center, and the right wall of each rotating rod (85) is contacted with the inner bottom wall of the limiting plate (81).

5. The low wear turbine flow meter of claim 4, wherein: the diameter of a circle formed by the guide pipes (63) is larger than that of the turbine (7), the right end of each guide pipe (63) extends to the right side of the turbine (7), and the bottom end of each flow sensor (2) is flush with the inner wall of the pipe body (1).

6. The low wear turbine flow meter of claim 5, wherein: the rotary block (83) is in a round table shape, and the diameter of the impurity discharging notch (86) is consistent with that of the communicating notch (61).

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