CN214333683U

CN214333683U - Impeller and volute gap measuring device

Info

Publication number: CN214333683U
Application number: CN202120414829.1U
Authority: CN
Inventors: 郑小峰
Original assignee: Suzhou Fengchi Precision Electromechanical Co ltd
Current assignee: Suzhou Fengchi Precision Electromechanical Co ltd
Priority date: 2021-02-25
Filing date: 2021-02-25
Publication date: 2021-10-01
Anticipated expiration: 2031-02-25

Abstract

The utility model relates to a technical field is measured in the clearance, and an impeller and spiral case clearance measurement device is disclosed, including the installation piece, the inside of installation piece is provided with measuring component, the bottom of installation piece is provided with the subassembly that grips, the bottom of the subassembly that grips is provided with observes the subassembly, the left side of installation piece is inlayed and is equipped with two electro-magnets, measuring component includes two miniature electric putter, push pedal, miniature pressure sensor and laser range finding sensor, two the equal fixed mounting of miniature electric putter is to the inside of installation piece, push pedal fixed connection is to two miniature electric putter's right-hand member, push pedal sliding connection is to the inside of installation piece, miniature pressure sensor inlays the inside of establishing to the push pedal. The utility model discloses a, but convenient and fast measures impeller and spiral case clearance, reduces the defective rate, guarantees its result of use in the time of the life of extension centrifugal pump.

Description

Impeller and volute gap measuring device

Technical Field

The utility model relates to a clearance measurement technical field specifically is an impeller and spiral case clearance measurement device.

Background

The existence of the gap between the impeller and the volute is the main reason of leakage loss of the centrifugal pump, and the overlarge gap can cause the liquid which does work by the impeller to return to the inlet of the pump, join with the liquid from the inlet pipeline and enter the impeller to form repeated work, thereby influencing the hydraulic efficiency and the volumetric efficiency of the pump; and too small clearance can cause collision and friction between the pump volute and the impeller, so that the pump body is damaged.

The existing centrifugal pump cannot conveniently and quickly measure the clearance between the impeller and the volute in the production and assembly process, so that the defective rate is easily increased, the service life of the centrifugal pump is shortened, the using effect of the centrifugal pump is influenced, and therefore the impeller and volute clearance measuring device is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an impeller and spiral case clearance measuring device possesses can convenient and fast and measures impeller and spiral case clearance, reduces the defective rate, guarantees advantages such as its result of use when prolonging the life of centrifugal pump, has solved current centrifugal pump and in production assembling process, and unable convenient and fast measures impeller and spiral case clearance to easily lead to the defective rate to promote, shortens centrifugal pump life, influences the problem of its result of use.

(II) technical scheme

To above-mentioned but convenient and fast measure impeller and spiral case clearance, reduce the defective rate, guarantee its result of use purpose when prolonging the life of centrifugal pump, the utility model provides a following technical scheme: the utility model provides an impeller and spiral case clearance measuring device, includes the installation piece, the inside of installation piece is provided with measuring component, the bottom of installation piece is provided with the subassembly that grips, the bottom of the subassembly that grips is provided with observes the subassembly, the left side of installation piece is inlayed and is equipped with two electro-magnets.

Preferably, the measuring component includes two miniature electric putter, push pedal, miniature pressure sensor and laser range finding sensor, two the equal fixed mounting of miniature electric putter is to the inside of installation piece, push pedal fixed connection is to two miniature electric putter's right-hand member, push pedal sliding connection is to the inside of installation piece, miniature pressure sensor inlays the inside of establishing to the push pedal, laser range finding sensor fixed mounting is to the inside of installation piece.

Preferably, the holding assembly comprises a holding rod and a rubber sleeve, the holding rod is fixedly connected to the bottom of the mounting block, the rubber sleeve is fixedly connected to the middle of the holding rod, and anti-skid grains are arranged in the middle of the rubber sleeve.

Preferably, the observation assembly comprises a rotating shaft, a display panel and a balancing weight, the top end of the rotating shaft penetrates through and is rotatably connected to the inside of the holding rod, the display panel is fixedly installed at the bottom end of the rotating shaft, and the balancing weight is fixedly connected to the right side of the display panel.

Preferably, the left side fixed mounting of push pedal has the controller, the inside of rubber sleeve is inlayed and is equipped with two control switch, two control switch's output all with controller signal connection.

Preferably, the right side of the push plate is fixedly connected with a protection pad, and the protection pad is connected to the inside of the mounting block in a sliding manner.

(III) advantageous effects

Compared with the prior art, the utility model provides an impeller and spiral case clearance measuring device possesses following beneficial effect:

1. this impeller and spiral case clearance measuring device, through the setting of the subassembly that grips, convenient to use person grips, thereby can be more convenient in centrifugal pump assembling process bring the installation piece into inside the spiral case, utilize two electro-magnet functions afterwards, thereby make installation piece and spiral case inner wall carry out magnetism and be connected, guarantee the stability among the measurement process, utilize measurement component to measure the clearance between impeller and the spiral case afterwards, user's accessible observation subassembly obtains clearance measured data afterwards, whole process convenient and fast.

2. This impeller and spiral case clearance measuring device operates through two miniature electric putter to make the push pedal motion, thereby the push pedal will contact with the impeller, after the push pedal pressurized to miniature pressure sensor's default afterwards, two miniature electric putter stop the operation, the laser rangefinder sensor will detect the movement distance of push pedal this moment, thereby the movement distance of push pedal and the sum of installation piece width are clearance between impeller and the spiral case promptly.

3. This impeller and spiral case clearance measuring device, through the setting of holding the pole, convenient to use person utilizes the pole of holding to take whole device, utilizes the setting of rubber sleeve, can make the user hold the pole more comfortable using, utilizes the setting of antiskid line, and reducible holding pole landing phenomenon takes place.

4. This impeller and spiral case clearance measuring device, through display panel's setting, the more audio-visual observation of convenient to use person detects data, utilizes the cooperation of axis of rotation and balancing weight to when the user measures the clearance between each position impeller and the spiral case, utilize the gravity influence of balancing weight, display panel will drive the axis of rotation and rotate, makes the balancing weight be in the below all the time, thereby the data on the convenient to use person observation display panel.

5. This impeller and spiral case clearance measuring device through the setting of controller, is convenient for control the inside electrical components of whole device, and is more convenient, utilizes two control switch's setting, and convenient to use person is more convenient controls two electro-magnets and two miniature electric putter.

6. This impeller and spiral case clearance measuring device, through the setting of protection pad, can reduce when push pedal and impeller contact, reduce to the impeller excessive pressure cause the damage phenomenon.

Drawings

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

FIG. 2 is a schematic front sectional view of the mounting block and push plate structure of the present invention;

FIG. 3 is a schematic top perspective view of the display panel and the counterweight structure of the present invention;

fig. 4 is an enlarged schematic view of a in fig. 1 of the present invention.

The reference numbers in the figures illustrate:

1. mounting blocks; 2. a measurement assembly; 201. a miniature electric push rod; 202. pushing the plate; 203. a miniature pressure sensor; 204. a laser ranging sensor; 3. a gripping assembly; 301. a holding rod; 302. a rubber sleeve; 4. an observation component; 401. a rotating shaft; 402. a display panel; 403. a balancing weight; 5. a controller; 6. a control switch; 7. an electromagnet; 8. a protective pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, an impeller and volute gap measuring device comprises an installation block 1, a measuring assembly 2 is arranged inside the installation block 1, a holding assembly 3 is arranged at the bottom of the installation block 1, an observation assembly 4 is arranged at the bottom of the holding assembly 3, two electromagnets 7 are embedded in the left side of the installation block 1, and through the arrangement of the holding assembly 3, a user can conveniently hold the installation block 1, so that the installation block 1 can be more conveniently brought into the volute in the assembling process of a centrifugal pump, then the two electromagnets 7 are utilized to operate, the installation block 1 is magnetically connected with the inner wall of the volute, the stability in the measuring process is ensured, then the gap between the impeller and the volute is measured by the measuring assembly 2, then the user can obtain gap measuring data through the observation assembly 4, and the whole process is convenient and fast.

Further, the measuring assembly 2 comprises two micro electric push rods 201, a push plate 202, a micro pressure sensor 203 and a laser distance measuring sensor 204, wherein the two micro electric push rods 201 are both fixedly installed inside the mounting block 1, the push plate 202 is fixedly connected to the right ends of the two micro electric push rods 201, the push plate 202 is slidably connected to the inside of the mounting block 1, the micro pressure sensor 203 is embedded inside the push plate 202, the laser distance measuring sensor 204 is fixedly installed inside the mounting block 1, and by the operation of the two micro electric push rods 201, thereby moving the push plate 202 so that the push plate 202 will come into contact with the impeller, and then after the push plate 202 is pressed to a preset value of the micro pressure sensor 203, the two miniature electric push rods 201 stop operating, at this time, the laser distance measuring sensor 204 will detect the moving distance of the push plate 202, so that the sum of the moving distance of the push plate 202 and the width of the mounting block 1 is the clearance between the impeller and the volute.

Further, the subassembly 3 that grips is including holding pole 301 and rubber sleeve 302, hold pole 301 fixed connection to the bottom of installation piece 1, rubber sleeve 302 fixed connection to holds the middle part of pole 301, the middle part of rubber sleeve 302 is provided with anti-skidding line, setting through holding pole 301, the user of being convenient for utilizes holding pole 301 to take whole device, utilize the setting of rubber sleeve 302, can make the user more comfortable using holding pole 301, utilize the setting of anti-skidding line, reducible holding pole 301 landing phenomenon takes place.

Further, observation subassembly 4 includes axis of rotation 401, display panel 402 and balancing weight 403, the inside of axis of rotation 401 runs through and swivelling joint to holding pole 301, display panel 402 fixed mounting to axis of rotation 401's bottom, balancing weight 403 fixed connection to display panel 402's right side, setting through display panel 402, the more audio-visual observation of convenient to use person detects data, utilize axis of rotation 401 and balancing weight 403's cooperation to use, thereby when the user measures the clearance between each position impeller and the spiral case, utilize the gravity influence of balancing weight 403, display panel 402 will drive axis of rotation 401 and rotate, make balancing weight 403 be in the below all the time, thereby convenient to use person observes the data on the display panel 402.

Further, the left side fixed mounting of push pedal 202 has controller 5, and rubber sleeve 302's inside is inlayed and is equipped with two control switch 6, and two control switch 6's output all with controller 5 signal connection, through controller 5's setting, be convenient for control the inside electrical components of whole device, and is more convenient, utilizes two control switch 6's setting, and convenient to use person is more convenient controls two electro-magnets 7 and two miniature electric putter 201.

Further, the right side fixedly connected with protection pad 8 of push pedal 202, protection pad 8 sliding connection to the inside of installation piece 1, through the setting of protection pad 8, can reduce when push pedal 202 contacts with the impeller, and the reduction causes the damage phenomenon to the impeller excessive pressure.

It should be noted that each device in the present application is a common device in the market, and can be selected according to the requirement when in specific use, and the circuit connection relationship of each device all belongs to a simple series and parallel connection circuit, and there is no innovation point in the circuit connection, and those skilled in the art can easily implement the circuit connection, and belong to the prior art, and are not described again.

The working principle is as follows: through the arrangement of the holding component 3, the holding is convenient for a user to hold, through the arrangement of the holding rod 301, the user can take the whole device by utilizing the holding rod 301, through the arrangement of the rubber sleeve 302, the user can feel more comfortable when using the holding rod 301, and through the arrangement of the anti-slip patterns, the occurrence of the slipping phenomenon of the holding rod 301 can be reduced, so that the installation block 1 can be more conveniently brought into the volute in the assembling process of the centrifugal pump, then, the two electromagnets 7 are utilized to operate, the installation block 1 is magnetically connected with the inner wall of the volute, the stability in the measuring process is ensured, then, the gap between the impeller and the volute is measured by utilizing the measuring component 2, through the operation of the two miniature electric push rods 201, the push plate 202 moves, so that the push plate 202 is in contact with the impeller, then, after the push plate 202 is pressed to the preset value of the miniature pressure sensor 203, the two miniature electric push rods 201 stop operating, through the arrangement of the protective pad 8, when the push plate 202 contacts with the impeller, the damage phenomenon caused by excessive pressure applied to the impeller can be reduced, at the moment, the laser ranging sensor 204 detects the movement distance of the push plate 202, so that the sum of the movement distance of the push plate 202 and the width of the installation block 1 is the clearance between the impeller and the volute, then a user can obtain clearance measurement data through the observation assembly 4, through the arrangement of the display panel 402, the user can observe the detection data more intuitively, the matching use of the rotating shaft 401 and the balancing weight 403 is utilized, when the user measures the clearance between the impeller and the volute at each position, the gravity influence of the balancing weight 403 is utilized, the display panel 402 drives the rotating shaft 401 to rotate, the balancing weight 403 is always positioned below, and the user can observe the data on the display panel 402 conveniently, whole process convenient and fast, through the setting of controller 5, be convenient for control the inside electrical components of whole device, it is more convenient, utilize two control switch 6's setting, convenient to use person is more convenient controls two electro-magnets 7 and two miniature electric putter 201, whole device, but convenient and fast measures impeller and spiral case clearance, reduces the defective rate, guarantees its result of use when prolonging the life of centrifugal pump.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 an impeller and spiral case clearance measuring device, includes installation piece (1), its characterized in that: the inside of installation piece (1) is provided with measuring component (2), the bottom of installation piece (1) is provided with grips subassembly (3), the bottom of gripping subassembly (3) is provided with observes subassembly (4), the left side of installation piece (1) is inlayed and is equipped with two electro-magnets (7).

2. An impeller-to-volute gap measuring apparatus according to claim 1, wherein: measuring subassembly (2) includes two miniature electric putter (201), push pedal (202), miniature pressure sensor (203) and laser range finding sensor (204), two the inside of the equal fixed mounting of miniature electric putter (201) to installation piece (1), the right-hand member of push pedal (202) two miniature electric putter (201) of fixed connection, push pedal (202) sliding connection is to the inside of installation piece (1), miniature pressure sensor (203) inlays the inside of establishing to push pedal (202), laser range finding sensor (204) fixed mounting is to the inside of installation piece (1).

3. An impeller-to-volute gap measuring apparatus according to claim 2, wherein: the holding assembly (3) comprises a holding rod (301) and a rubber sleeve (302), the holding rod (301) is fixedly connected to the bottom of the mounting block (1), the rubber sleeve (302) is fixedly connected to the middle of the holding rod (301), and anti-skid grains are arranged in the middle of the rubber sleeve (302).

4. An impeller-to-volute gap measuring apparatus according to claim 3, wherein: observe subassembly (4) including axis of rotation (401), display panel (402) and balancing weight (403), the top of axis of rotation (401) is run through and is rotated the inside of being connected to holding pole (301), display panel (402) fixed mounting is to the bottom of axis of rotation (401), balancing weight (403) fixed connection is to the right side of display panel (402).

5. An impeller-to-volute gap measuring apparatus according to claim 3, wherein: the left side fixed mounting of push pedal (202) has controller (5), the inside of rubber sleeve (302) is inlayed and is equipped with two control switch (6), two the output of control switch (6) all with controller (5) signal connection.

6. An impeller-to-volute gap measuring apparatus according to claim 2, wherein: the right side fixedly connected with protection pad (8) of push pedal (202), protection pad (8) sliding connection is to the inside of installation piece (1).