CN116593304A - Centrifugal pump resistance to compression intelligent detection device - Google Patents

Centrifugal pump resistance to compression intelligent detection device Download PDF

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Publication number
CN116593304A
CN116593304A CN202310572704.5A CN202310572704A CN116593304A CN 116593304 A CN116593304 A CN 116593304A CN 202310572704 A CN202310572704 A CN 202310572704A CN 116593304 A CN116593304 A CN 116593304A
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CN
China
Prior art keywords
centrifugal pump
sliding
side wall
detection device
marking
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Pending
Application number
CN202310572704.5A
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Chinese (zh)
Inventor
刘军
章先
鲍兴亮
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Anhui Kairun Pump And Valve Technology Co ltd
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Anhui Kairun Pump And Valve Technology Co ltd
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Publication date
Application filed by Anhui Kairun Pump And Valve Technology Co ltd filed Critical Anhui Kairun Pump And Valve Technology Co ltd
Priority to CN202310572704.5A priority Critical patent/CN116593304A/en
Publication of CN116593304A publication Critical patent/CN116593304A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/0088—Testing machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F17/00—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F31/00—Inking arrangements or devices
    • B41F31/02—Ducts, containers, supply or metering devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/02—Details
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
    • G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
    • G01N3/12—Pressure testing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2217/00—Printing machines of special types or for particular purposes
    • B41P2217/10—Printing machines of special types or for particular purposes characterised by their constructional features
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2217/00—Printing machines of special types or for particular purposes
    • B41P2217/50—Printing presses for particular purposes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0001—Type of application of the stress
    • G01N2203/0003—Steady
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0014—Type of force applied
    • G01N2203/0016—Tensile or compressive
    • G01N2203/0019—Compressive
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/003—Generation of the force
    • G01N2203/0042—Pneumatic or hydraulic means
    • G01N2203/0048—Hydraulic means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0058—Kind of property studied
    • G01N2203/006—Crack, flaws, fracture or rupture
    • G01N2203/0062—Crack or flaws
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00—Energy generation of nuclear origin
    • Y02E30/30—Nuclear fission reactors

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Immunology (AREA)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The invention discloses a compression-resistant intelligent detection device for a centrifugal pump, and belongs to the field of centrifugal pumps. A centrifugal pump compression resistance intelligent detection device comprises a workbench; a lifting mechanism; a sliding mechanism; a pushing mechanism; a marking mechanism. According to the invention, dust adhered to the outer surface of the centrifugal pump shell can be cleaned, so that the dust is prevented from adhering to the outer surface of the centrifugal pump shell, the centrifugal pump shell heats due to the existence of pressure in the compression test process, and the dust can block heat transmission, so that the centrifugal pump shell without defects can be damaged under the action of pressure, the precision of compression test on the centrifugal pump shell is affected, resources are saved, the precision detection and positioning of the bulge and crack positions of the centrifugal pump shell are realized, the detection precision is improved, and a person can conveniently and directly judge the weak part of the centrifugal pump shell through a large number of tests, the burden of the person is reduced, and the detection precision is improved.

Description

Centrifugal pump resistance to compression intelligent detection device
Technical Field
The invention relates to the technical field of centrifugal pumps, in particular to a compression-resistant intelligent detection device for a centrifugal pump.
Background
The basic structure of the centrifugal pump is composed of six parts, namely an impeller, a pump body, a pump shaft, a bearing, a sealing ring and a stuffing box. The impeller is the core part of the centrifugal pump, the rotating speed is high, the output is large, the blades on the impeller play a main role, and the impeller needs to pass a static balance experiment before being assembled. The inner and outer surfaces on the impeller are required to be smooth to reduce frictional losses of the water flow. The pump body is also called a pump shell, and is the main body of the water pump. Plays a role of supporting and fixing and is connected with a bracket for installing the bearing. The pump shaft is connected to the motor via a coupling to transmit the torque of the motor to the impeller, so that it is the main component for transmitting mechanical energy. The sliding bearing uses transparent oil as lubricant and is oiled to an oil level line. The sealing ring is also called a leakage reducing ring. The stuffing box mainly comprises stuffing, a water seal ring, a stuffing barrel, a stuffing gland and a water seal pipe. The stuffing box is used to seal the gap between the pump casing and the pump shaft and prevent water flow from flowing outside the pump and air from entering the pump.
At present, the use scene of centrifugal pump can take place the cracked condition of pump body shell, pump cavity inside pressurize when the pump body shell is cracked, the impact force back that produces when motor and bearing frame part are by the fracture pushes away a few meters, partial equipment damage including leading to motor, the shaft coupling, there is very big potential safety hazard at the job site, therefore centrifugal pump shell is in the production process, need sample and carry out compressive property detection, generally place centrifugal pump shell on the mesa in prior art, press the pressure test to centrifugal pump shell from the top through hydraulic mechanism, whether take place deformation or distortion and carry out compressive property's detection through seeing centrifugal pump under certain pressure condition, but the in-process of actual detection always is to observe through the naked eye, and can't mark the deformation that the casing produced, lead to the weak position of accurate understanding fast, and pump body shell is carrying out compressive test's in-process, and can not take place the deformation, probably can take place the crack, when hydraulic mechanism notifies the pump body is pressed down, these cracks can be closed automatically, lead to carrying out compressive property detection when detecting centrifugal pump, the life of centrifugal pump is influenced.
Disclosure of Invention
The invention aims to solve the problems that the part with the problem of the centrifugal pump shell cannot be marked and the weak part of the centrifugal pump shell cannot be accurately known in the prior art, and provides a compression-resistant intelligent detection device for a centrifugal pump.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the intelligent compression-resistant detection device for the centrifugal pump comprises a workbench, wherein an installation seat is fixedly connected to the middle position of the top of the workbench, and a fluorescent lamp is installed at the middle position of the top of the installation seat;
further comprises:
the lifting mechanism is arranged at the top of the workbench and is used for carrying out compression-resistant detection on the centrifugal pump shell and shielding an external light source in the detection process;
the sliding mechanism is arranged in the lifting mechanism and used for sliding along the outer surface of the centrifugal pump shell;
the pushing mechanism is arranged on the sliding mechanism;
the marking mechanism is arranged on the pushing mechanism, is always attached to the workbench under the action of the pushing mechanism, and is used for marking the parts of the centrifugal pump, which are deformed and cracked.
In order to facilitate the compression detection of the centrifugal pump shell, preferably, the lifting mechanism comprises an electric screw rod, a shading sleeve, a sealing plate, a hydraulic machine and a photoelectric switch; the outer side wall of the electric screw rod is connected with the shading sleeve through threads, the top of the shading sleeve is attached to the bottom of the sealing plate and connected with the sealing plate through a torsion shaft, the hydraulic press is installed at the middle position of the shading sleeve, the hydraulic part and the telescopic part are located inside the shading sleeve, and the photoelectric switch is installed on the inner side wall of the shading sleeve.
In order to facilitate the marking mechanism to slide along the outer surface of the centrifugal pump shell when the centrifugal pump shell is broken, preferably, the sliding mechanism comprises an electric sliding rod, an electric sliding block, a liquid storage ring and a liquid injection pipe; the outer side wall of the electric sliding rod is in sliding connection with the inner side wall of the electric sliding block, the electric sliding block is fixedly connected with the bottom of the outer ring of the liquid storage ring, and the top of the liquid storage ring is fixedly connected with the bottom of the liquid injection pipe.
In order to enable the marking mechanism to be always attached to the outer surface of the centrifugal pump shell, the pushing mechanism further comprises a fixing plate, a sliding groove, a pushing spring and a sliding plate; the sliding chute is arranged on the fixed plate and penetrates through the fixed plate, one end of the pushing spring is fixedly connected with the inner side wall of the sliding chute, the inner side wall of the sliding chute is slidably connected with the outer side wall of the sliding plate, and the outer side wall of the sliding plate is fixedly connected with one end of the pushing spring, which is far away from the sliding chute.
In order to mark the bulge and crack parts of the centrifugal pump shell, the marking mechanism comprises a rolling sleeve, a marking rotary disc, a liquid guide column and a liquid guide block; the adjacent side of the rolling sleeve is fixedly connected with the plane part of the marking turntable, the liquid guide column is attracted with the rolling sleeve and is rotationally connected with the rolling sleeve, and the liquid guide column is fixedly connected with the liquid guide block.
Further, the electric screw rod is arranged at the top of the workbench, the bottom of the shading sleeve is attached to the top of the workbench, and the bottom of the inner side wall of the shading sleeve is attached to the outer side wall of the mounting seat.
Further, the electric sliding rod is installed at the top of the inner side wall of the shading sleeve, and the initial position of the liquid storage ring is attached to the top of the mounting seat.
Furthermore, the end part of the fixing plate is fixedly connected with the inner ring of the liquid storage ring, and the fixing plate is arranged in an annular array along the central axis of the liquid storage ring.
Still further, the tip of rolling sleeve rotates with the adjacent side of slide to be connected, the drain piece runs through the lateral wall of liquid storage ring and extends to the inside of liquid storage ring, the drain piece is annular array along the axis of liquid storage ring and sets up.
Further, the photoelectric switch is electrically connected with the electric sliding rod, and the photoelectric switch is electrically connected with the electric sliding block.
Compared with the prior art, the invention provides the centrifugal pump compression-resistant intelligent detection device, which has the following beneficial effects:
1. this centrifugal pump resistance to compression intellectual detection system device uses through pushing mechanism and marking mechanism's cooperation, carry out the resistance to compression to centrifugal pump casing and detect, the light-proof sleeve is in the in-process of centrifugal pump casing's surface, marking mechanism is laminating mutually with centrifugal pump casing's surface all the time under pushing mechanism's effect, can clear up centrifugal pump casing surface adhesion's dust, prevent that the dust from adhering to centrifugal pump casing's surface, lead to carrying out the in-process of resistance to compression test, because the existence of pressure leads to centrifugal pump casing to generate heat, and the dust will block thermal transmission, make the centrifugal pump casing that does not have the defect also can damage under the pressure effect, the precision to centrifugal pump casing resistance to compression test has been influenced, resources are saved, the precision of resistance to compression test has been improved.
2. This centrifugal pump resistance to compression intellectual detection system device uses through the cooperation of marking mechanism and pushing mechanism, when centrifugal pump shell produces the swell under the effect of pressure, when the mark rotates and removes to the swell position, the mark carousel can be in contact with the drain piece under the effect of swell for the adhesion has the marking fluid on the mark carousel, thereby scribbles the marking fluid in the swell position, has realized the accurate detection and the location to centrifugal pump shell swell position, has improved the precision that detects, and the personnel of being convenient for pass through the direct weak position of judging centrifugal pump shell of a large amount of tests, has alleviateed personnel's burden, has improved the precision that detects.
3. This centrifugal pump resistance to compression intellectual detection system device uses through the cooperation of fluorescent lamp, sliding mechanism and marking mechanism, when the centrifugal pump shell takes place the crack when carrying out the resistance to compression and detecting, the light of fluorescent lamp will permeate the crack and shine on photoelectric switch this moment, make sliding mechanism drive marking mechanism along centrifugal pump shell's surface slip, when marking mechanism slides to crack department, marking mechanism loses the extrusion of centrifugal pump shell and slides to centrifugal pump shell place position this moment, make the laminating of roller sleeve in centrifugal pump shell's crack department, mark centrifugal pump shell's crack department, and owing to the silver halide that contains in the marking fluid, can take place to discolour under the irradiation of fluorescent lamp, even the crack is when the casing loses pressure, automatic closure also can observe crack place position, personnel's burden has been alleviateed, the precision of resistance to compression detection has been improved.
The device has the advantages that dust adhered to the outer surface of the centrifugal pump shell can be cleaned, the dust is prevented from adhering to the outer surface of the centrifugal pump shell, the centrifugal pump shell heats due to pressure in the compression test process, the dust can block heat transmission, the centrifugal pump shell without defects can be damaged under the action of pressure, the compression test precision of the centrifugal pump shell is affected, resources are saved, the accurate detection and positioning of the bulge and crack positions of the centrifugal pump shell are realized, the detection precision is improved, a person can conveniently and directly judge the weak part of the centrifugal pump shell through a large number of tests, the burden of the person is reduced, and the detection precision is improved.
Drawings
FIG. 1 is a schematic three-dimensional structure diagram of a centrifugal pump compression-resistant intelligent detection device provided by the invention;
FIG. 2 is a schematic diagram of a middle section structure of a centrifugal pump compression-resistant intelligent detection device provided by the invention;
fig. 3 is a schematic view of a three-dimensional partially cut-away structure of a centrifugal pump compression-resistant intelligent detection device according to the present invention;
fig. 4 is a schematic three-dimensional structure diagram of a sliding mechanism of the intelligent anti-compression detection device for the centrifugal pump;
FIG. 5 is a schematic diagram of a top cut-away structure of a sliding mechanism of an intelligent pressure-resistant detection device for a centrifugal pump according to the present invention;
FIG. 6 is an enlarged schematic view of the structure of the centrifugal pump anti-compression intelligent detection device in FIG. 5A;
fig. 7 is a schematic three-dimensional structure diagram of a marking mechanism and a pushing mechanism of the centrifugal pump compression-resistant intelligent detection device;
fig. 8 is a schematic diagram showing the working state of a shell cracking marking mechanism of the centrifugal pump compression-resistant intelligent detection device;
fig. 9 is a schematic diagram showing the working state of a shell bulge marking mechanism of the centrifugal pump compression-resistant intelligent detection device.
In the figure: 1. a work table; 2. a lifting mechanism; 21. an electric screw rod; 22. a shading sleeve; 23. a sealing plate; 24. a hydraulic press; 25. an optoelectronic switch; 3. a sliding mechanism; 31. an electric slide rod; 32. an electric slide block; 33. a liquid storage ring; 34. a liquid injection pipe; 4. a pushing mechanism; 41. a fixing plate; 42. a chute; 43. pushing a spring; 44. a slide plate; 5. a marking mechanism; 51. a rolling sleeve; 52. marking a turntable; 53. a liquid guiding column; 54. a liquid guide block; 6. a fluorescent lamp; 7. and (5) a mounting seat.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Referring to fig. 1-2, a centrifugal pump compression-resistant intelligent detection device comprises a workbench 1, wherein an installation seat 7 is fixedly connected to the middle position of the top of the workbench 1, and a fluorescent lamp 6 is installed at the middle position of the top of the installation seat 7;
referring to fig. 1-3, a lifting mechanism 2, wherein the lifting mechanism 2 is arranged at the top of a workbench 1 and is used for performing compression-resistant detection on a centrifugal pump shell and shielding an external light source in the detection process, and the lifting mechanism 2 comprises an electric screw rod 21, a shading sleeve 22, a sealing plate 23, a hydraulic press 24 and a photoelectric switch 25; the outer side wall of the electric screw rod 21 is connected with a shading sleeve 22 through threads, the top of the shading sleeve 22 is attached to the bottom of a sealing plate 23 and is connected with the sealing plate 23 through a torsion shaft, a hydraulic press 24 is installed at the middle position of the shading sleeve 22, a hydraulic part and a telescopic part are positioned in the shading sleeve 22, a photoelectric switch 25 is installed on the inner side wall of the shading sleeve 22, the electric screw rod 21 is installed at the top of a workbench 1, the bottom of the shading sleeve 22 is attached to the top of the workbench 1, and the bottom position of the inner side wall of the shading sleeve 22 is attached to the outer side wall of an installation seat 7;
it should be noted that, the light shielding sleeve 22 is used to shield external light, and under the cooperation of the sealing plate 23, when the centrifugal pump housing is subjected to compression detection, the centrifugal pump housing is always in a dark state, so that the light is not scattered when the centrifugal pump is subjected to fracture in the compression detection process, the light can be ensured to change the color of the marking liquid at the fracture part of the centrifugal pump housing, and the bulge and the fracture part can be identified and confirmed by personnel;
referring to fig. 3 to 5, a sliding mechanism 3, the sliding mechanism 3 being installed inside the elevating mechanism 2 for sliding along the outer surface of the centrifugal pump casing, the sliding mechanism 3 including an electric slide rod 31, an electric slide block 32, a liquid storage ring 33 and a liquid injection pipe 34; the outer side wall of the electric sliding rod 31 is in sliding connection with the inner side wall of the electric sliding rod 32, the electric sliding rod 32 is fixedly connected with the bottom of the outer ring of the liquid storage ring 33, the top of the liquid storage ring 33 is fixedly connected with the bottom of the liquid injection pipe 34, the electric sliding rod 31 is arranged at the top of the inner side wall of the shading sleeve 22, the initial position of the liquid storage ring 33 is attached to the top of the mounting seat 7, the photoelectric switch 25 is electrically connected with the electric sliding rod 31, and the photoelectric switch 25 is electrically connected with the electric sliding rod 32;
the inside of the liquid storage ring 33 is filled with a light red marking liquid, silver halide is mixed in the marking liquid, and when the silver halide is irradiated by the fluorescent lamp 6, the light of the fluorescent lamp 6 is purple immediately after contacting the fluorescent lamp, and the light changes to black gradually with the increase of irradiation time, so that the bulge and the crack part can be distinguished;
referring to fig. 6 to 7, the pushing mechanism 4 is mounted on the sliding mechanism 3, and the pushing mechanism 4 includes a fixed plate 41, a chute 42, a pushing spring 43, and a sliding plate 44; the chute 42 is arranged on the fixed plate 41 and penetrates through the fixed plate 41, one end of the pushing spring 43 is fixedly connected with the inner side wall of the chute 42, the inner side wall of the chute 42 is slidably connected with the outer side wall of the sliding plate 44, the outer side wall of the sliding plate 44 is fixedly connected with one end, far away from the chute 42, of the pushing spring 43, the end part of the fixed plate 41 is fixedly connected with the inner ring of the liquid storage ring 33, and the fixed plate 41 is arranged in an annular array along the central axis of the liquid storage ring 33;
when the centrifugal pump housing is subjected to compression detection, the push spring 43 is in a compressed state, so that when a crack is generated, the marking mechanism 5 can be pushed into the position where the crack is located to mark the crack;
referring to fig. 6-9, a marking mechanism 5, the marking mechanism 5 is mounted on the pushing mechanism 4, and is always attached to the workbench 1 under the action of the pushing mechanism 4, and the marking mechanism 5 is used for marking the position where the centrifugal pump deforms and cracks are generated, and the marking mechanism 5 comprises a rolling sleeve 51, a marking turntable 52, a liquid guiding column 53 and a liquid guiding block 54; the adjacent side of the rolling sleeve 51 is fixedly connected with the plane part of the marking rotary table 52, the liquid guide column 53 is attracted with the rolling sleeve 51 and is rotationally connected with the liquid guide block 54, the end part of the rolling sleeve 51 is rotationally connected with the adjacent side of the sliding plate 44, the liquid guide block 54 penetrates through the side wall of the liquid storage ring 33 and extends to the inside of the liquid storage ring 33, and the liquid guide block 54 is arranged in an annular array along the central axis of the liquid storage ring 33.
When the centrifugal pump casing slightly bulges, the marking rotary table 52 and the liquid guide block 54 can be attached, when the centrifugal pump casing bulges due to pressure, the marking rotary table 52 marks the bulge at the moment, when the casing generates cracks, the rolling sleeve 51 marks the cracks, the liquid guide column 53 and the sucking part of the rolling sleeve 51 are magnetic rings, the rest parts are made of materials similar to a lamp wick, the marking liquid can be conducted, the liquid guide block 54 is made of materials similar to the lamp wick, and the marking liquid can be conducted, so that the defect part can be effectively marked when the casing has defects;
the marking mechanism 5 is provided with an upper row and a lower row, the number of which is equal, and which are arranged in a staggered manner, so that all parts of the centrifugal pump housing can be wrapped.
In the invention, when in use, the electric slide rod 31 and the electric slide block 32 are started firstly, the liquid injection pipe 34 extends out of the top of the shading sleeve 22, the sealing plate 23 is jacked up, then a main quantity of marking liquid containing silver halide is added into the liquid storage ring 33 through the liquid injection pipe 34, and at the moment, the liquid storage ring 33 is slid to the bottom of the electric slide rod 31 again;
then the centrifugal pump housing is sleeved on the mounting seat 7, the electric screw rod 21 is started at the moment to enable the shading sleeve 22 to be attached to the top of the workbench 1, in the process, the marking rotary disc 52 slides inwards under the extrusion action of the centrifugal pump housing to be attached to the liquid guide block 54, in the process that the shading sleeve 22 is gradually attached to the workbench 1, the marking rotary disc 52 cleans the outer surface of the centrifugal pump housing, so that the shell is prevented from heating under the action of pressure in the process of performing compression test on the centrifugal pump housing, heat cannot be dissipated due to dust, bulge deformation is generated, and the detection accuracy is affected;
the hydraulic machine 24 can then be started to perform a compression test on the centrifugal pump housing;
when the centrifugal pump housing generates a crack under the action of pressure, referring to fig. 8 (a is the centrifugal pump housing; b is the crack generating part and the moving direction of the marking rotary table 52), the light generated by the fluorescent lamp 6 irradiates on the photoelectric switch 25, so that the photoelectric switch 25 controls the electric sliding rod 31 and the electric sliding block 32 to work to drive the liquid storage ring 33 to slide upwards, when the marking rotary table 52 moves to the crack generating part, the marking rotary table 52 loses the extrusion action of the centrifugal pump housing, so that the sliding plate 44 slides to the centrifugal pump housing under the action of the pushing spring 43, and the marking rotary table 52 enters the crack, so that the rolling sleeve 51 is attached to the edge part of the crack, the edge part of the crack is marked, and the marked marking liquid is transmitted to the rolling sleeve 51 through the liquid guide block 54 and the liquid guide column 53, and finally becomes black under the irradiation of the fluorescent lamp 6, so that when the crack is detected, even if the crack is closed, a detector can directly observe the crack generating part, and the detection accuracy is improved;
when the centrifugal pump housing is bulged and deformed under the action of pressure, referring to fig. 9 (c is the bulged and deformed centrifugal pump housing; d is the moving direction of the marking rotary table 52), when the test is completed and the shading sleeve 22 is moved upwards, and when the marking rotary table 52 is moved to the initial deformation position of the bulge, the marking rotary table 52 is contacted with the liquid guide block 54 under the action of the bulge, so that the liquid guide block 54 transmits marking liquid to the outer surface of the marking rotary table 52, and at the moment, the marking rotary table 52 marks the bulge position along with the upward movement of the shading sleeve 22, so that a inspector can directly observe the bulge position, the inspection convenience is improved, the burden of the personnel is lightened, and the inspection precision is improved;
when the centrifugal pump housing is bulged and deformed under the action of pressure and the bulge deformation part or other parts generate cracks, light generated by the fluorescent lamp 6 irradiates the photoelectric switch 25, so that the photoelectric switch 25 controls the electric slide rod 31 and the electric slide block 32 to work to drive the liquid storage ring 33 to slide upwards, when the marking rotary table 52 moves to the bulge deformation initial position, the marking rotary table 52 loses the extrusion action of the centrifugal pump housing, the slide plate 44 slides towards the centrifugal pump housing under the action of the push spring 43, the marking rotary table 52 enters the cracks, the rolling sleeve 51 is attached to the edge part of the cracks, the edge part of the cracks is marked, the marking liquid is transmitted to the rolling sleeve 51 through the liquid guide block 54 and the liquid guide column 53, the marked marking liquid finally turns black under the irradiation of the fluorescent lamp 6, when the marking rotary table 52 moves to the bulge deformation initial position, the marking rotary table 52 contacts with the liquid guide block 54 under the action of the bulge, the marking rotary table 54 transmits the marking liquid to the outer surface of the marking rotary table 52, and the bulge position of the marking rotary table 22 is marked when the bulge position of the marking rotary table 52 is moved, and the mark sleeve 52 is marked, and the mark position of the bulge 52 is simultaneously, and the mark position of the marking rotary table 52 is marked;
and after the detection is finished, taking out the centrifugal pump shell and observing.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims (10)

1. The compression-resistant intelligent detection device for the centrifugal pump comprises a workbench (1), and is characterized in that an installation seat (7) is fixedly connected to the middle position of the top of the workbench (1), and a fluorescent lamp (6) is installed at the middle position of the top of the installation seat (7);
further comprises:
the lifting mechanism (2) is arranged at the top of the workbench (1) and used for carrying out compression-resistant detection on the centrifugal pump shell and shielding an external light source in the detection process;
the sliding mechanism (3) is arranged in the lifting mechanism (2) and used for sliding along the outer surface of the centrifugal pump shell;
the pushing mechanism (4) is arranged on the sliding mechanism (3);
the marking mechanism (5) is arranged on the pushing mechanism (4), is always attached to the workbench (1) under the action of the pushing mechanism (4), and the marking mechanism (5) is used for marking the parts of the centrifugal pump, which deform and generate cracks;
the fluorescent lamp 6 is used for carrying out color changing operation on the marking liquid marked at the crack.
2. The centrifugal pump compression-resistant intelligent detection device according to claim 1, wherein the lifting mechanism (2) comprises an electric screw rod (21), a shading sleeve (22), a sealing plate (23), a hydraulic machine (24) and a photoelectric switch (25); the outer side wall of the electric screw rod (21) is connected with the shading sleeve (22) through threads, the top of the shading sleeve (22) is attached to the bottom of the sealing plate (23) and connected with the sealing plate (23) through a torsion shaft, the hydraulic machine (24) is installed at the middle position of the shading sleeve (22), the hydraulic part and the telescopic part are located in the shading sleeve (22), and the photoelectric switch (25) is installed on the inner side wall of the shading sleeve (22).
3. The centrifugal pump compression-resistant intelligent detection device according to claim 2, wherein the sliding mechanism (3) comprises an electric sliding rod (31), an electric sliding block (32), a liquid storage ring (33) and a liquid injection pipe (34); the outer side wall of the electric sliding rod (31) is in sliding connection with the inner side wall of the electric sliding block (32), the electric sliding block (32) is fixedly connected with the bottom of the outer ring of the liquid storage ring (33), and the top of the liquid storage ring (33) is fixedly connected with the bottom of the liquid injection pipe (34).
4. A centrifugal pump compression-resistant intelligent detection device according to claim 3, wherein the pushing mechanism (4) comprises a fixed plate (41), a chute (42), a pushing spring (43) and a sliding plate (44); the sliding chute (42) is arranged on the fixed plate (41) and penetrates through the fixed plate (41), one end of the pushing spring (43) is fixedly connected with the inner side wall of the sliding chute (42), the inner side wall of the sliding chute (42) is slidably connected with the outer side wall of the sliding plate (44), and the outer side wall of the sliding plate (44) is fixedly connected with one end, far away from the sliding chute (42), of the pushing spring (43).
5. The centrifugal pump compression-resistant intelligent detection device according to claim 4, wherein the marking mechanism (5) comprises a rolling sleeve (51), a marking rotary disc (52), a liquid guide column (53) and a liquid guide block (54); the adjacent side of the rolling sleeve (51) is fixedly connected with the plane part of the marking rotary table (52), the liquid guide column (53) is attracted to the rolling sleeve (51) and is rotationally connected with the rolling sleeve, and the liquid guide column (53) is fixedly connected with the liquid guide block (54).
6. The centrifugal pump compression-resistant intelligent detection device according to claim 2, wherein the electric screw rod (21) is installed at the top of the workbench (1), the bottom of the shading sleeve (22) is attached to the top of the workbench (1), and the bottom position of the inner side wall of the shading sleeve (22) is attached to the outer side wall of the installation seat (7).
7. A centrifugal pump compression-resistant intelligent detection device according to claim 3, wherein the electric sliding rod (31) is mounted at the top of the inner side wall of the shading sleeve (22), and the initial position of the liquid storage ring (33) is attached to the top of the mounting seat (7).
8. The centrifugal pump compression-resistant intelligent detection device according to claim 4, wherein the end part of the fixing plate (41) is fixedly connected with the inner ring of the liquid storage ring (33), and the fixing plate (41) is arranged in an annular array along the central axis of the liquid storage ring (33).
9. The centrifugal pump compression-resistant intelligent detection device according to claim 5, wherein the end part of the rolling sleeve (51) is rotatably connected with the adjacent side of the sliding plate (44), the liquid guide block (54) penetrates through the side wall of the liquid storage ring (33) and extends to the inside of the liquid storage ring (33), and the liquid guide block (54) is arranged in an annular array along the central axis of the liquid storage ring (33).
10. A centrifugal pump pressure-resistant intelligent detection device according to claim 3, wherein the photoelectric switch (25) is electrically connected with the electric slide rod (31), and the photoelectric switch (25) is electrically connected with the electric slide block (32).
CN202310572704.5A 2023-05-22 2023-05-22 Centrifugal pump resistance to compression intelligent detection device Pending CN116593304A (en)

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Application Number Priority Date Filing Date Title
CN202310572704.5A CN116593304A (en) 2023-05-22 2023-05-22 Centrifugal pump resistance to compression intelligent detection device

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Application Number Priority Date Filing Date Title
CN202310572704.5A CN116593304A (en) 2023-05-22 2023-05-22 Centrifugal pump resistance to compression intelligent detection device

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CN116593304A true CN116593304A (en) 2023-08-15

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117433915A (en) * 2023-12-20 2024-01-23 天津锐昇兴业科技有限公司 Vacuum device shell compressive property detection equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117433915A (en) * 2023-12-20 2024-01-23 天津锐昇兴业科技有限公司 Vacuum device shell compressive property detection equipment
CN117433915B (en) * 2023-12-20 2024-04-02 天津锐昇兴业科技有限公司 Vacuum device shell compressive property detection equipment

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