CN116625462B - Ultrasonic liquid level meter with protection effect - Google Patents

Ultrasonic liquid level meter with protection effect Download PDF

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Publication number
CN116625462B
CN116625462B CN202310904505.XA CN202310904505A CN116625462B CN 116625462 B CN116625462 B CN 116625462B CN 202310904505 A CN202310904505 A CN 202310904505A CN 116625462 B CN116625462 B CN 116625462B
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China
Prior art keywords
groups
fixedly connected
shell
blocks
limiting
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CN202310904505.XA
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Chinese (zh)
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CN116625462A (en
Inventor
吴双俊
米振伟
米省伟
苏贵勇
杨真奇
沈玲霞
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SHANDONG FANGMING PHARMACEUTICAL GROUP CO Ltd
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SHANDONG FANGMING PHARMACEUTICAL GROUP CO Ltd
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Priority to CN202310904505.XA priority Critical patent/CN116625462B/en
Publication of CN116625462A publication Critical patent/CN116625462A/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/04Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
    • F16F15/06Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
    • F16F15/067Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
    • F16M11/20Undercarriages with or without wheels
    • F16M11/24Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/28Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/296Acoustic waves
    • G01F23/2962Measuring transit time of reflected waves
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00Energy generation of nuclear origin
    • Y02E30/30Nuclear fission reactors

Abstract

The invention relates to the field of liquid level meters, in particular to an ultrasonic liquid level meter with a protection effect, which comprises an upper shell arranged above a lower shell, two groups of first installation blocks and two groups of second installation blocks, wherein the two sides of the two groups of first installation blocks are respectively provided with a first buffer plate, the two sides of the two groups of second installation blocks are respectively provided with a second buffer plate, and the inner sides of the first installation blocks and the inner sides of the second installation blocks are respectively provided with a first compression spring and a second compression spring; the ultrasonic liquid level meter has the advantages that the ultrasonic liquid level meter can be prevented from being damaged due to direct collision with an external object in the moving or using process, the buffer protection effect is good, the service life of internal devices of the ultrasonic liquid level meter is prolonged, the detection probe of the ultrasonic liquid level meter can be subjected to height fine adjustment, the influence of dead zones of the liquid level meter is avoided, the detection precision of the ultrasonic liquid level meter is improved, the ultrasonic liquid level meter has a convenient step-by-step assembly function, and the fault components and the protection structure of the ultrasonic liquid level meter can be conveniently and independently overhauled.

Description

Ultrasonic liquid level meter with protection effect
Technical Field
The invention relates to the field of liquid level meters, in particular to an ultrasonic liquid level meter with a protection effect.
Background
The ultrasonic level meter is a digital level meter controlled by a microprocessor. In the measurement, ultrasonic pulses are emitted by a sensor, sound waves are received by the same sensor after being reflected by the surface of the liquid, the sound waves are converted into electric signals through a piezoelectric crystal, and the distance from the sensor to the surface of the liquid to be measured is calculated from the time between the emission and the reception of the sound waves. As non-contact measurement is adopted, the measured medium is almost unlimited, and can be widely used for measuring the heights of various liquid and solid materials;
through retrieving, patent number is CN214066274U, an ultrasonic remote control integral type liquid level meter is disclosed, through the setting of annunciator, tube stand and cover post, the annunciator receives the signal of control probe and handles, thereby obtain accurate liquid level detection data, after the liquid level reaches the setting value, report to the police and remind, and then improved the intelligent degree of liquid level meter, however, the certain defect that still exists when current ultrasonic liquid level meter is used, its outside is generally the casing of integral type, when ultrasonic liquid level meter takes place direct touching with external object, the device damage in it has easily caused, greatly influenced the measurement process of ultrasonic liquid level meter, for this reason, an ultrasonic liquid level meter with protection effect is proposed.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the ultrasonic liquid level meter with the protection effect, which solves the technical problems that the prior ultrasonic liquid level meter provided in the background art has certain defects during use, the external part of the ultrasonic liquid level meter is usually an integrated shell, and when the ultrasonic liquid level meter is directly touched with an external object, the internal device of the ultrasonic liquid level meter is easily damaged, and the measuring process of the ultrasonic liquid level meter is greatly influenced.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides an ultrasonic wave level gauge with protective effect, includes the last casing of setting in lower casing top, still includes two sets of first installation piece and two sets of second installation pieces, two sets of the both sides of first installation piece all are provided with first buffer board, two sets of the both sides of second installation piece all are provided with the second buffer board, the inboard of first installation piece and second installation piece is provided with first compression spring and second compression spring respectively.
As a further scheme of the invention, a first connecting plate is clamped between two groups of first buffer plates near the middle position, a second connecting plate is clamped between two groups of second buffer plates near the middle position, four groups of first elastic pads and four groups of second elastic pads are respectively and fixedly connected to the inner side surfaces of the first buffer plates and the four groups of second buffer plates, the cross sections of the four groups of first buffer plates and the four groups of second buffer plates are in arc-shaped arrangement, the four groups of first buffer plates and the four groups of second buffer plates are symmetrically arranged about the axis of the upper shell, the two ends of the first compression spring are fixedly connected with first annular discs, the two ends of the second compression spring are fixedly connected with second annular discs, the first annular discs and the second annular discs are respectively positioned in the first installation blocks and the second installation blocks, and the two groups of first installation blocks and the two groups of second installation blocks are symmetrically arranged about the axis of the upper shell.
As a further scheme of the invention, two groups of first movable slide bars and two groups of second movable slide bars are respectively arranged on the two groups of first mounting blocks and the two groups of second mounting blocks in a penetrating way, two groups of first limiting grooves and two groups of second limiting grooves are respectively formed in the inner side walls of the two groups of first mounting blocks and the two groups of second mounting blocks, two groups of first limiting bars and two groups of second limiting bars are respectively fixedly connected with the outer side surfaces of the first movable slide bars and the two groups of second movable slide bars, the first limiting bars and the second limiting bars are respectively positioned on the inner sides of the first limiting grooves and the second limiting grooves, two groups of first annular discs are positioned between the two groups of first limiting bars, two groups of second annular discs are respectively arranged between the two groups of second limiting bars, the first compression springs and the two groups of first annular discs are respectively movably sleeved on the outer sides of the first movable slide bars, and the second compression springs and the two groups of second annular discs are respectively movably sleeved on the outer sides of the second movable slide bars, and the outer side surfaces of the first movable slide bars and the outer side surfaces of the second movable slide bars are respectively provided with third compression springs which are respectively sleeved on the two ends of the first movable slide bars and the outer side surfaces of the second movable slide bars.
As a further scheme of the invention, a power module is arranged in the upper shell, a control module is arranged at the inner top of the lower shell, the output end of the power module is electrically connected with the input end of the control module, an instrument shell is arranged on the upper side of the upper shell, a display instrument is fixedly clamped on the inner side of the instrument shell, and the input end of the display instrument is electrically connected with the output end of the control module.
As a further scheme of the invention, a connecting bottom plate is arranged on the lower side of the lower shell, a second external thread annular plate is fixedly connected to the upper surface of the connecting bottom plate close to the edge, a bearing disc is clamped on the inner side of the second external thread annular plate, a driving motor is fixedly arranged on the lower surface of the bearing disc, a rotating shaft is arranged at the output end of the driving motor, a first driving wheel is fixedly sleeved on the outer side surface of the rotating shaft close to the lower end, two groups of vertical threaded rods penetrate through the upper surface of the connecting bottom plate close to the edge, second driving wheels are fixedly sleeved on the outer tops of the two groups of vertical threaded rods, and a driving belt is arranged on the upper side of the connecting bottom plate.
As a further scheme of the invention, two groups of limit shells are fixedly connected to the lower surface of the connecting bottom plate, lifting ring plates are sleeved on the periphery of the two groups of limit shells, two groups of limit vertical rods are fixedly connected to the inner side surface of the lifting ring plates, probe bases are arranged between the two groups of limit shells, detection probes are clamped in the probe bases, the two groups of limit vertical rods are fixedly connected with the probe bases, the probe bases are movably arranged on the lower side of the connecting bottom plate through the two groups of limit vertical rods in cooperation with the two groups of limit shells, two groups of threaded holes are formed in the upper surface of the lifting ring plates in a penetrating mode, the two groups of vertical threaded rods are respectively connected with the lifting ring plates through the threaded holes, the two groups of vertical threaded rods are symmetrically arranged relative to the detection probes, and the first transmission wheel is rotatably arranged on the upper side of the connecting bottom plate through a rotating shaft and is connected with the transmission belt.
As a further scheme of the invention, the upper surfaces of the two groups of first installation blocks are fixedly connected with first plug blocks near the middle position, the outer side surfaces of the two groups of first plug blocks are respectively provided with first fastening bolts in a penetrating manner, the lower surface of the upper shell is provided with two groups of first plug grooves near the edge position, the inner side surfaces of the two groups of first plug grooves are provided with first screw grooves, the two groups of first plug blocks are respectively and fixedly connected in the first plug grooves through the matching of the first fastening bolts and the first screw grooves, the lower surfaces of the two groups of second installation blocks are respectively and fixedly connected with second plug blocks near the middle position, the outer side surfaces of the two groups of second plug blocks are respectively and fixedly connected in the second plug grooves through the matching of the second fastening bolts and the second screw grooves, the upper surface of the lower shell is provided with two groups of second plug grooves near the edge position, and the inner side surfaces of the two groups of second plug grooves are respectively and fixedly connected in the second plug grooves.
As a further scheme of the invention, a rotating ring plate is rotatably arranged on the lower surface of the upper shell, an internal thread ring plate is fixedly connected with the upper surface of the lower shell, a first external thread ring plate is fixedly connected with the lower surface of the instrument shell near the edge, a first thread groove is formed in the upper surface of the side wall of the upper shell, a first protection disc is arranged on the upper surface of the instrument shell, and a second protection disc is arranged on the lower side of the limiting shell plate.
As a further scheme of the invention, a second thread groove is formed in the lower surface of the rotary ring plate, the inner thread ring plate is in threaded connection with the rotary ring plate through the second thread groove, the first outer thread ring plate is in threaded connection with the upper shell through the first thread groove, the second outer thread ring plate is in threaded connection with the inner side of the lower shell, a first shaft rod is fixedly connected to the upper surface of the meter shell close to the edge, a first protection disc is rotatably sleeved on the outer side of the first shaft rod, a second shaft rod is fixedly connected to the lower end of the limiting shell plate, and the second protection disc is rotatably sleeved on the outer side of the second shaft rod.
Compared with the prior art, the invention has the beneficial effects that:
1. the first movable slide bars of the two groups slide along the inner sides of the first installation blocks respectively through the cooperation of the first limiting bars and the first limiting grooves, at the moment, the first annular discs of the two groups in the first installation blocks are close to each other, the first compression springs block the first annular discs of the two groups and cooperate with the third compression springs to block the movement of the first buffer plate, meanwhile, the second movable slide bars of the two groups slide along the inner sides of the second installation blocks respectively through the cooperation of the second limiting bars and the second limiting grooves, at the moment, the second annular discs of the two groups in the second installation blocks are close to each other, the second compression springs block the second annular discs of the two groups and cooperate with the third compression springs to block the movement of the second buffer plate, so that the ultrasonic liquid level meter is prevented from being damaged due to direct collision with external objects in the moving or using process, the ultrasonic liquid level meter has good buffering protection effect, and the service life of internal devices of the ultrasonic liquid level meter is prolonged.
2. Through starting the driving motor of loading tray lower surface to drive axis of rotation and first drive wheel and rotate together, thereby drive two sets of second drive wheels and two sets of perpendicular threaded rods together rotatory under the cooperation of drive belt, and then drive lift crown block through two sets of screw holes cooperation two sets of limit montants and two sets of limit shells and reciprocate, make the test probe in the probe seat can reciprocate, can carry out high fine setting to the test probe of ultrasonic wave level gauge, in order to avoid the influence of level gauge blind area, improved the detection precision of ultrasonic wave level gauge.
3. The instrument casing is fixedly connected to the upper side of the upper casing through the first external thread annular plate matched with the first thread groove, the connecting bottom plate is fixedly connected to the lower side of the lower casing through the second external thread annular plate, then the internal thread annular plate is in threaded connection with the rotating annular plate through the second thread groove, the upper casing is fixedly connected to the upper side of the lower casing through the two groups of first plug-in blocks and the two groups of first plug-in grooves matched with the first fastening bolts and the first thread grooves, the two groups of first mounting blocks are fixedly connected to the lower surface of the upper casing through the two groups of first plug-in blocks and the two groups of second plug-in grooves matched with the second fastening bolts and the second thread grooves, the two groups of second mounting blocks are fixedly connected to the upper surface of the lower casing through the second plug-in blocks and the two groups of second plug-in grooves, the ultrasonic level gauge has a convenient step-by-step assembly function, and the ultrasonic level gauge fault parts and protection structures can be independently overhauled.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention.
FIG. 2 is a schematic diagram of the distribution structure of the first buffer plate and the second buffer plate according to the present invention.
Fig. 3 is a schematic diagram of a distribution structure of a first mounting block and a second mounting block in the present invention.
Fig. 4 is a schematic diagram of a connection structure between an upper housing and a lower housing in the present invention.
Fig. 5 is a schematic cross-sectional view of fig. 4 in accordance with the present invention.
Fig. 6 is a schematic diagram of the split structure of fig. 4 according to the present invention.
Fig. 7 is a schematic diagram of a connection structure of a lifting ring plate in the present invention.
Fig. 8 is a schematic top view of the present invention.
In the figure: 1. an upper housing; 2. a lower housing; 3. a first mounting block; 4. a first movable slide bar; 5. a first stop lever; 6. a first limit groove; 7. a first annular disk; 8. a first compression spring; 9. a first buffer plate; 10. a first connection plate; 11. a first elastic pad; 12. a second mounting block; 13. a second movable slide bar; 14. a second limit rod; 15. the second limit groove; 16. a second annular disk; 17. a second compression spring; 18. a second buffer plate; 19. a second connecting plate; 20. a second elastic pad; 21. a first plug block; 22. a first fastening bolt; 23. a first socket groove; 24. a second plug block; 25. a second fastening bolt; 26. a second insertion groove; 27. rotating the ring plate; 28. an internally threaded annular plate; 29. an instrument housing; 30. displaying the instrument; 31. a first externally threaded annular plate; 32. a first thread groove; 33. a connecting bottom plate; 34. a second externally threaded annular plate; 35. a limit shell plate; 36. a first protective disk; 37. a second protective disk; 38. a carrying tray; 39. a driving motor; 40. a rotating shaft; 41. a first driving wheel; 42. a second driving wheel; 43. a transmission belt; 44. a vertical threaded rod; 45. lifting the annular plate; 46. a limit vertical rod; 47. a probe seat; 48. a detection probe; 49. a power module; 50. a control module; 51. and a third compression spring.
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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 8, the present invention provides an ultrasonic liquid level meter with protection effect, and the technical scheme is as follows:
the utility model provides an ultrasonic wave level gauge with protective effect, includes the last casing 1 of setting in lower casing 2 top, still includes two sets of first installation piece 3 and two sets of second installation piece 12, and the both sides of two sets of first installation pieces 3 all are provided with first buffer board 9, and the both sides of two sets of second installation pieces 12 all are provided with second buffer board 18, and the inboard of first installation piece 3 and second installation piece 12 is provided with first compression spring 8 and second compression spring 17 respectively.
As an embodiment of the present invention, referring to fig. 1-3, a first connecting plate 10 is clamped between two groups of first buffer plates 9 near the middle position, a second connecting plate 19 is clamped between two groups of second buffer plates 18 near the middle position, four groups of first elastic pads 11 and four groups of second elastic pads 20 are respectively and fixedly connected to the inner side surfaces of the four groups of first buffer plates 9 and the four groups of second buffer plates 18, the cross-sectional shapes of the four groups of first buffer plates 9 and the four groups of second buffer plates 18 are all arc-shaped, the four groups of first buffer plates 9 and the four groups of second buffer plates 18 are all symmetrically arranged about the axis of the upper shell 1, two ends of a first compression spring 8 are all fixedly connected with a first annular disc 7, two ends of a second compression spring 17 are all fixedly connected with a second annular disc 16, the first annular disc 7 and the second annular disc 16 are respectively positioned inside a first mounting block 3 and a second mounting block 12, and the two groups of first mounting blocks 3 and the two groups of second mounting blocks 12 are all symmetrically arranged about the axis of the upper shell 1;
two groups of first installation blocks 3 and two groups of second installation blocks 12 are respectively penetrated and provided with two groups of first movable slide bars 4 and two groups of second movable slide bars 13, two groups of first limit grooves 6 and two groups of second limit grooves 15 are respectively formed in the inner side walls of the two groups of first installation blocks 3 and the two groups of second installation blocks 12, two groups of first movable slide bars 4 and two groups of second movable slide bars 13 are respectively fixedly connected with two groups of first limit bars 5 and two groups of second limit bars 14 on the outer side surfaces of the two groups of second movable slide bars 4, the first limit bars 5 and the second limit bars 14 are respectively positioned on the inner sides of the first limit grooves 6 and the second limit grooves 15, two groups of first annular discs 7 are positioned between the two groups of first limit bars 5, two groups of second annular discs 16 are positioned between the two groups of second limit bars 14, the first compression springs 8 and the two groups of first annular discs 7 are movably sleeved on the outer sides of the first movable slide bars 4, the second compression springs 17 and the two groups of second annular discs 16 are movably sleeved on the outer sides of the second movable slide bars 13, and the first movable slide bars 4 and the second movable slide bars 13 are respectively provided with third compression springs 51 close to the two ends of the second movable slide bars 13.
Specifically, the first limiting rod 5 and the first limiting groove 6 are matched to enable the two groups of first movable sliding rods 4 to slide along the inner sides of the two groups of first installation blocks 3 respectively, at the moment, the two groups of first annular discs 7 in the first installation blocks 3 are close to each other, the first compression springs 8 are matched to prevent the two groups of first annular discs 7 from being close to each other, the third compression springs 51 are matched to prevent the first buffer plate 9 from moving, meanwhile, the second limiting rod 14 and the second limiting groove 15 are matched to enable the two groups of second movable sliding rods 13 to slide along the inner sides of the two groups of second installation blocks 12 respectively, at the moment, the two groups of second annular discs 16 in the second installation blocks 12 are close to each other, the second compression springs 17 are matched to prevent the two groups of second annular discs 16 from being close to each other, the third compression springs 51 are matched to prevent the second buffer plate 18 from moving, the ultrasonic level meter can be prevented from being directly collided with an external object to be damaged in the moving or using process, and the buffer plate has good buffer protection effect, and service life of the device inside the ultrasonic level meter is prolonged.
As an embodiment of the present invention, referring to fig. 5 and 7, a power module 49 is disposed inside an upper housing 1, a control module 50 is disposed at an inner top of a lower housing 2, an output end of the power module 49 is electrically connected with an input end of the control module 50, an instrument housing 29 is disposed on an upper side of the upper housing 1, a display instrument 30 is fixedly mounted on an inner side of the instrument housing 29, and an input end of the display instrument 30 is electrically connected with an output end of the control module 50;
the lower side of the lower shell 2 is provided with a connecting bottom plate 33, the upper surface of the connecting bottom plate 33 is fixedly connected with a second external thread annular plate 34 near the edge position, the inner side of the second external thread annular plate 34 is clamped with a bearing plate 38, the lower surface of the bearing plate 38 is fixedly provided with a driving motor 39, the output end of the driving motor 39 is provided with a rotating shaft 40, the outer side surface of the rotating shaft 40 is fixedly sleeved with a first driving wheel 41 near the lower end, the upper surface of the connecting bottom plate 33 is fixedly sleeved with two groups of vertical threaded rods 44 near the edge position, the outer tops of the two groups of vertical threaded rods 44 are fixedly sleeved with a second driving wheel 42, and the upper side of the connecting bottom plate 33 is provided with a driving belt 43;
the lower surface of the connecting bottom plate 33 is fixedly connected with two groups of limiting shell plates 35, the periphery of the two groups of limiting shell plates 35 is sleeved with lifting ring plates 45, the inner side surface of the lifting ring plates 45 is fixedly connected with two groups of limiting vertical rods 46, a probe seat 47 is arranged between the two groups of limiting shell plates 35, a detection probe 48 is clamped in the probe seat 47, the two groups of limiting vertical rods 46 are fixedly connected with the probe seat 47, the probe seat 47 is movably arranged on the lower side of the connecting bottom plate 33 through the two groups of limiting vertical rods 46 in cooperation with the two groups of limiting shell plates 35, two groups of threaded holes are formed in the upper surface of the lifting ring plates 45 in a penetrating mode, the two groups of vertical threaded rods 44 are respectively connected with the lifting ring plates 45 in a threaded mode through the threaded holes, the two groups of vertical threaded rods 44 are symmetrically arranged relative to the detection probe 48, the first transmission wheel 41 is rotatably arranged on the upper side of the connecting bottom plate 33 through the rotation shaft 40, and the first transmission wheel 41 and the two groups of second transmission wheels 42 are connected with the transmission belt 43.
Specifically, the driving motor 39 on the lower surface of the bearing disc 38 is started to drive the rotating shaft 40 and the first driving wheel 41 to rotate together, so that the two groups of second driving wheels 42 and the two groups of vertical threaded rods 44 are driven to rotate together under the cooperation of the driving belt 43, and then the lifting ring plate 45 is driven to move up and down through the cooperation of the two groups of threaded holes with the two groups of limiting vertical rods 46 and the two groups of limiting shell plates 35, so that the detection probe 48 in the probe seat 47 can move up and down, the detection probe 48 of the ultrasonic liquid level meter can be subjected to fine adjustment to avoid the influence of dead zones of the liquid level meter, and the detection precision of the ultrasonic liquid level meter is improved.
As an embodiment of the present invention, referring to fig. 4-6, the upper surfaces of the two groups of first mounting blocks 3 are fixedly connected with first plugging blocks 21 near the middle position, the outer side surfaces of the two groups of first plugging blocks 21 are all penetrated and provided with first fastening bolts 22, the lower surface of the upper shell 1 is near the edge position and is provided with two groups of first plugging grooves 23, the inner side surfaces of the two groups of first plugging grooves 23 are provided with first screw grooves, the two groups of first plugging blocks 21 are respectively and fixedly connected in the first plugging grooves 23 through the matching and clamping of the first fastening bolts 22 and the first screw grooves, the lower surfaces of the two groups of second mounting blocks 12 are fixedly connected with second plugging blocks 24 near the middle position, the outer side surfaces of the two groups of second plugging blocks 24 are all penetrated and provided with second fastening bolts 25, the upper surface of the lower shell 2 is near the edge position and is provided with two groups of second screw grooves 26, the inner side surfaces of the two groups of second plugging grooves 26 are all provided with second screw grooves, and the two groups of second plugging blocks 24 are respectively and fixedly connected in the two groups of second plugging grooves 26 through the second fastening bolts 25 and the matching and the second screw grooves;
the lower surface of the upper shell 1 is rotatably provided with a rotary ring plate 27, the upper surface of the lower shell 2 is fixedly connected with an internal thread ring plate 28, the lower surface of the meter shell 29 is fixedly connected with a first external thread ring plate 31 near the edge position, the upper surface of the side wall of the upper shell 1 is provided with a first thread groove 32, the upper surface of the meter shell 29 is provided with a first protection disc 36, and the lower side of the limit shell plate 35 is provided with a second protection disc 37;
the second thread groove has been seted up to the lower surface of rotating ring plate 27, and internal thread ring plate 28 passes through second thread groove and rotating ring plate 27 threaded connection, first external thread ring plate 31 passes through first thread groove 32 and goes up casing 1 threaded connection, second external thread ring plate 34 threaded connection is in the inboard of lower casing 2, the upper surface of meter housing 29 is close to the first axostylus axostyle of marginal position fixedly connected with, and first guard disk 36 rotates the outside of cup jointing at first axostylus axostyle, the lower extreme fixedly connected with second axostylus axostyle of spacing shell plate 35, and second guard disk 37 rotates the outside of cup jointing at the second axostylus axostyle.
Specifically, make instrument shell 29 card fixedly connected in the upside of last casing 1 through first external screw thread annular plate 31 cooperation first screw thread groove 32, rethread second external screw thread annular plate 34 makes connection bottom plate 33 card fixedly connected in the downside of lower casing 2, then make internal screw thread annular plate 28 and rotation annular plate 27 screw thread connection through the second screw thread groove, make last casing 1 card fixedly connected in the upside of lower casing 2, then make two sets of first installation piece 3 all card fixedly connected in the lower surface of last casing 1 through two sets of first bayonet lock 21 and two sets of first bayonet lock 23 cooperation first fastening bolt 22 and first screw groove, rethread second bayonet lock 24 and two sets of second bayonet lock 26 cooperation second fastening bolt 25 and second screw groove make two sets of second installation piece 12 all card fixedly connected in the upper surface of lower casing 2, have convenient step-by-step equipment function, also make things convenient for the trouble shooting component and the protective structure to ultrasonic level gauge independently.
Working principle: firstly, a worker is clamped and fixedly connected on the upper side of the upper shell 1 through the first external thread ring plate 31 matched with the first thread groove 32, then the connecting bottom plate 33 is clamped and fixedly connected on the lower side of the lower shell 2 through the second external thread ring plate 34, then the internal thread ring plate 28 is in threaded connection with the rotating ring plate 27 through the second thread groove, so that the upper shell 1 is clamped and fixedly connected on the upper side of the lower shell 2, then the two groups of first mounting blocks 3 are clamped and fixedly connected on the lower surface of the upper shell 1 through the two groups of first inserting blocks 21 and the two groups of first inserting grooves 23 matched with the first fastening bolts 22 and the first thread grooves, the two groups of second mounting blocks 12 are clamped and fixedly connected on the upper surface of the lower shell 2 through the second inserting blocks 24 and the two groups of second inserting grooves 26 matched with the second fastening bolts 25 and the second thread grooves, the ultrasonic liquid level meter has the convenient step-by-step assembly function, is convenient for independently overhauling fault parts and a protective structure of the ultrasonic liquid level meter, and secondly, when the ultrasonic liquid level meter is used, the driving motor 39 on the lower surface of the bearing disc 38 is started to drive the rotating shaft 40 and the first driving wheel 41 to rotate together, so that the two groups of second driving wheels 42 and the two groups of vertical threaded rods 44 are driven to rotate together under the cooperation of the driving belt 43, and further, the lifting ring plate 45 is driven to move up and down through the two groups of threaded holes in cooperation with the two groups of limiting vertical rods 46 and the two groups of limiting shell plates 35, so that the detection probe 48 in the probe seat 47 can move up and down, the detection probe 48 of the ultrasonic liquid level meter can be subjected to high fine adjustment, the influence of dead zones of the liquid level meter is avoided, the detection precision of the ultrasonic liquid level meter is improved, and data can be recorded through the display meter 30, finally, the first limiting rods 5 and the first limiting grooves 6 are matched to enable the two groups of first movable sliding rods 4 to slide along the inner sides of the two groups of first installation blocks 3 respectively, at the moment, the two groups of first annular discs 7 in the first installation blocks 3 are close to each other, the set first compression springs 8 are used for blocking the two groups of first annular discs 7 to be close to each other and are matched with the third compression springs 51 to block the movement of the first buffer plate 9, meanwhile, the second limiting rods 14 and the second limiting grooves 15 are matched to enable the two groups of second movable sliding rods 13 to slide along the inner sides of the two groups of second installation blocks 12 respectively, at the moment, the two groups of second annular discs 16 in the second installation blocks 12 are close to each other, the set second compression springs 17 are used for blocking the two groups of second annular discs 16 to be close to each other and are matched with the third compression springs 51 to block the movement of the second buffer plate 18, the ultrasonic liquid level meter can be prevented from being damaged by direct collision with external objects in the moving or using process, a good buffering protection effect is achieved, the service life of the liquid level meter is prolonged, the liquid level meter is used, and when the liquid level meter is placed on the first ultrasonic meter and the first probe meter is placed on the side of a meter and the probe meter is placed on the side of a detector housing (37) to the detector (37) and the detector is placed on the side of the detector (37) to the detector).
In the description of the present invention, it should be understood that the terms "center", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying 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 scope of the present invention.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (2)

1. The utility model provides an ultrasonic liquid level meter with protective effect, includes upper housing (1) of setting in lower housing (2) top, its characterized in that still includes two sets of first installation piece (3) and two sets of second installation piece (12), two sets of both sides of first installation piece (3) all are provided with first buffer board (9), two sets of both sides of second installation piece (12) all are provided with second buffer board (18), the inboard of first installation piece (3) and second installation piece (12) is provided with first compression spring (8) and second compression spring (17) respectively, the upside of upper housing (1) is provided with instrument shell (29);
a first connecting plate (10) is clamped between two groups of first buffer plates (9) close to the middle position, a second connecting plate (19) is clamped between two groups of second buffer plates (18) close to the middle position, four groups of first elastic pads (11) and four groups of second elastic pads (20) are respectively fixedly connected to the inner side surfaces of the first buffer plates (9) and the four groups of second buffer plates (18), the cross sections of the four groups of first buffer plates (9) and the four groups of second buffer plates (18) are arc-shaped, the four groups of first buffer plates (9) and the four groups of second buffer plates (18) are symmetrically arranged about the axis of the upper shell (1), two ends of the first compression springs (8) are fixedly connected with first annular discs (7), two ends of the second compression springs (17) are fixedly connected with second annular discs (16), the first annular discs (7) and the second annular discs (16) are respectively positioned on the first installation blocks (3) and the second installation blocks (12), and the two groups of second annular discs (16) are symmetrically arranged about the axis of the first installation blocks (3) and the second installation blocks (12);
two groups of first mounting blocks (3) and two groups of second mounting blocks (12) are respectively penetrated and provided with two groups of first movable slide bars (4) and two groups of second movable slide bars (13), two groups of first limiting grooves (6) and two groups of second limiting grooves (15) are respectively formed in the inner side walls of the first mounting blocks (3) and the two groups of second mounting blocks (12), two groups of first movable slide bars (4) and the outer side surfaces of the two groups of second movable slide bars (13) are respectively fixedly connected with two groups of first limiting bars (5) and two groups of second limiting bars (14), the first limiting bars (5) and the second limiting bars (14) are respectively positioned in the inner sides of the first limiting grooves (6) and the second limiting grooves (15), two groups of first annular discs (7) are positioned between the two groups of first limiting bars (5), two groups of second annular discs (16) are positioned between the two groups of second limiting bars (14), the first compression springs (8) and the two groups of first annular discs (7) are respectively fixedly connected with the outer side surfaces of the two groups of second movable discs (13), and the two groups of second annular discs (7) are sleeved and are respectively positioned in the inner sides of the first limiting grooves (6) and the second limiting grooves (15), and the two ends of the first annular discs (13) are respectively sleeved with the first compression springs (13) and the two ends of the two groups of the first annular discs (16) are respectively sleeved with the first compression springs (13) and the two ends of the first compression springs and the first ends of the first compression springs are respectively;
the lower side of the lower shell (2) is provided with a connecting bottom plate (33), the upper surface of the connecting bottom plate (33) is fixedly connected with a second external thread annular plate (34) close to the edge, the inner side of the second external thread annular plate (34) is clamped with a bearing disc (38), the lower surface of the bearing disc (38) is fixedly provided with a driving motor (39), the output end of the driving motor (39) is provided with a rotating shaft (40), the outer side surface of the rotating shaft (40) is fixedly sleeved with a first driving wheel (41) close to the lower end, the upper surface of the connecting bottom plate (33) is fixedly sleeved with two groups of vertical threaded rods (44) close to the edge, the outer tops of the two groups of vertical threaded rods (44) are fixedly sleeved with a second driving wheel (42), and the upper side of the connecting bottom plate (33) is provided with a driving belt (43);
the lower surface of the connecting bottom plate (33) is fixedly connected with two groups of limiting shell plates (35), the periphery of the two groups of limiting shell plates (35) is sleeved with lifting ring plates (45), the inner side surfaces of the lifting ring plates (45) are fixedly connected with two groups of limiting vertical rods (46), probe bases (47) are arranged between the two groups of limiting shell plates (35), detection probes (48) are clamped in the probe bases (47), the two groups of limiting vertical rods (46) are fixedly connected with the probe bases (47), the probe bases (47) are movably arranged on the lower side of the connecting bottom plate (33) through the two groups of limiting vertical rods (46) in a matching mode, the upper surfaces of the lifting ring plates (45) are provided with two groups of threaded holes in a penetrating mode, the two groups of vertical threaded rods (44) are in threaded connection with the lifting ring plates (45) through threaded holes respectively, the two groups of vertical threaded rods (44) are symmetrically arranged relative to the detection probes (48), the first transmission wheels (41) are rotatably arranged on the upper side of the connecting bottom plate (33) through rotating shafts (40), and the first transmission wheels (41) are connected with the second transmission wheels (43;
the upper surfaces of the two groups of first installation blocks (3) are fixedly connected with first plug blocks (21) close to the middle position, the outer side surfaces of the two groups of first plug blocks (21) are fixedly connected with second plug blocks (24) close to the middle position, the outer side surfaces of the two groups of second plug blocks (24) are fixedly connected with second fastening bolts (25) close to the edge position, the inner side surfaces of the two groups of first plug blocks (23) are provided with first spiral grooves, the two groups of first plug blocks (21) are fixedly connected to the inside of the first plug blocks (23) through the matching clamping of the first fastening bolts (22) and the first spiral grooves, the lower surfaces of the two groups of second installation blocks (12) are fixedly connected with second plug blocks (24) close to the middle position, the outer side surfaces of the two groups of second plug blocks (24) are fixedly connected with second fastening bolts (25) close to the edge position, the upper surface of the lower shell (2) is provided with two groups of second plug blocks (26), and the inner side surfaces of the two groups of second plug blocks (26) are fixedly connected with the second plug blocks (24) through the second fastening bolts (25) which are fixedly connected to the second plug blocks (25);
the lower surface of the upper shell (1) is rotatably provided with a rotary ring plate (27), the upper surface of the lower shell (2) is fixedly connected with an internal thread ring plate (28), the lower surface of the instrument shell (29) is fixedly connected with a first external thread ring plate (31) close to the edge, the upper surface of the side wall of the upper shell (1) is provided with a first thread groove (32), the upper surface of the instrument shell (29) is provided with a first protection disc (36), and the lower side of the limit shell plate (35) is provided with a second protection disc (37);
the lower surface of the rotating ring plate (27) is provided with a second thread groove, the inner thread ring plate (28) is in threaded connection with the rotating ring plate (27) through the second thread groove, the first outer thread ring plate (31) is in threaded connection with the upper shell (1) through the first thread groove (32), the second outer thread ring plate (34) is in threaded connection with the inner side of the lower shell (2), the upper surface of the meter housing (29) is close to the edge, a first shaft rod is fixedly connected with the upper surface of the meter housing (29), a first protection disc (36) is rotationally sleeved on the outer side of the first shaft rod, the lower end of the limiting shell plate (35) is fixedly connected with a second shaft rod, and the second protection disc (37) is rotationally sleeved on the outer side of the second shaft rod.
2. An ultrasonic level gauge with protective effect according to claim 1, characterized in that: the inside of last casing (1) is provided with power module (49), the interior top of inferior valve (2) is provided with control module (50), and the output of power module (49) and the input electric connection of control module (50), display instrument (30) are installed to the inboard card of instrument shell (29), and the input of display instrument (30) and the output electric connection of control module (50).
CN202310904505.XA 2023-07-24 2023-07-24 Ultrasonic liquid level meter with protection effect Active CN116625462B (en)

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