CN110411539A - A kind of transit time method level meter calibration equipment - Google Patents

A kind of transit time method level meter calibration equipment Download PDF

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Publication number
CN110411539A
CN110411539A CN201910767633.8A CN201910767633A CN110411539A CN 110411539 A CN110411539 A CN 110411539A CN 201910767633 A CN201910767633 A CN 201910767633A CN 110411539 A CN110411539 A CN 110411539A
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China
Prior art keywords
plate
sliding
driving
lifting
instrument
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CN201910767633.8A
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Chinese (zh)
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CN110411539B (en
Inventor
冯齐斌
章天霈
洪扁
张忠立
张振彦
秦亭亭
徐煦
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Shanghai Institute of Measurement and Testing Technology
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Shanghai Institute of Measurement and Testing Technology
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Priority to CN201910767633.8A priority Critical patent/CN110411539B/en
Publication of CN110411539A publication Critical patent/CN110411539A/en
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Publication of CN110411539B publication Critical patent/CN110411539B/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F25/00Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
    • G01F25/20Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of apparatus for measuring liquid level

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  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)
  • Particle Accelerators (AREA)

Abstract

The invention discloses a kind of transit time method level meter calibration equipment, including sliding rail mechanism, sliding driving mechanism, general purpose instrument installing mechanism and Reflecting plate mechanism;Sliding driving mechanism includes sliding driving screw rod, driving motor and motor reducer;Reflecting plate mechanism includes sliding support plate, board mount and reflecting plate;General purpose instrument installing mechanism is mounted in sliding rail mechanism.The transit time method level meter calibration equipment drives reflecting plate to carry out precise displacement driving using sliding driving screw rod, can effectively improve the displacement resolution of reflecting plate;The circular arc chamfering being arranged using reflecting plate edge can reduce edge reflection, reduce because of reflection of electromagnetic wave caused by the change in the instantaneous impedance at edge.

Description

A kind of transit time method level meter calibration equipment
Technical field
The invention is related to a kind of instrument calibration device, especially a kind of transit time method level meter calibration equipment.
Background technique
Liquidometer is a kind of measurement instrument for measuring level value, recently as the hair of ultrasonic wave and radar detection technique Exhibition, reflex gage production technology reach its maturity.Since it is big with measurement range, small in size, does not connect mutually with fluid to be measured Not the features such as touching is not interfere with each other, high degree of automation, stability are good and accuracy is high, and be widely used.Therefore to reflection type liquid Position meter carries out calibrating, calibration and detection work, guarantees its magnitude accurately and reliable performance, is to be related to trade settlement, production peace The important process of many aspects such as complete and environmental protection.
Currently, the simulator for level verification includes: the equipment of (1) fixation reflex Board position the problem of being primarily present Distance can be carried out the verification of any position farther out but not;(2) most modes compared using laser carry out, The accuracy of verification is not high enough;(3) reflecting surface is too small, causes the edge reflections of reflecting plate that can also be added in echo, to accurate Degree generates certain influence.It is therefore desirable to design a kind of transit time method level meter calibration equipment, can have higher Checking precision, and can be effectively reduced edge reflections and be added in echo.
Summary of the invention
Innovation and creation purpose is: a kind of transit time method level meter calibration equipment is provided, it being capable of school with higher Precision is tested, and can be effectively reduced edge reflections and be added in echo.
Technical solution: transit time method level meter calibration equipment described in the invention, including sliding rail mechanism, Slide driving mechanism, general purpose instrument installing mechanism and Reflecting plate mechanism;
Sliding driving mechanism includes sliding driving screw rod, driving motor and motor reducer;Sliding driving screw rod passes through Two screw rodb bases are rotatably mounted in sliding rail mechanism;Driving motor is used for driving motor retarder rotary work;Motor Retarder on sliding driving screw rod, is drived screw rod rotation by connector abutting joint for driving to slide;
Reflecting plate mechanism includes sliding support plate, board mount and reflecting plate;Board mount is mounted in sliding support plate;Instead It penetrates plate to be mounted vertically on board mount, and the edge of reflecting plate is provided with circular arc chamfering;Slide the installation of support plate slidingtype Screw pair is fixedly installed in sliding rail mechanism, and below sliding support plate;Sliding driving screw rod, which screws, to be mounted on On screw pair, for driving reflecting plate to slide along sliding rail mechanism;
General purpose instrument installing mechanism is mounted in sliding rail mechanism, for installing general purpose instrument to be verified.
Further, sliding rail mechanism including two transverse beams, two sliding rails and is set to two transverse beams Each support footing of lower section;Two horizontally-parallel installations of transverse beam, and be provided at least two between two transverse beams and indulge To attachment beam;Two sliding rails are transversely mounted on respectively above two transverse beams;Reflecting plate mechanism and general purpose instrument fitting machine Structure passes through track slip base and is slidably mounted on two sliding rails.
Further, one piece of screw rod mounting plate is mounted at the both ends of two transverse beams;Two screw rodb bases are fixed respectively It is mounted on two pieces of screw rod mounting plates;Track slip base is set on the downside of sliding support plate.
Further, general purpose instrument installing mechanism includes bracket bottom plate, fixed bracket, upper layer mounting plate and vertical side Plate;Track slip base is set on the downside of bracket bottom plate;Fixed bracket is mounted on bracket bottom plate, and upper layer mounting plate is fixed It is mounted on the top of bracket bottom plate;Vertical side plate is mounted vertically on the mounting plate of upper layer, and is equipped with tiltedly in the upside of vertical side plate Trimming;Marginal center on bevelled edge is equipped with arc-shaped notch;Waist-shaped hole is equipped on vertical side plate and at bevelled edge With bar shaped notch;The length direction of waist-shaped hole is parallel with bevelled edge, and the fluting direction of bar shaped notch is parallel with bevelled edge.
Further, lower layer's mounting plate is equipped on fixed bracket and positioned at the lower section of upper layer mounting plate;It is installed in lower layer Two bar shaped limit plates are installed in parallel on plate.
Further, a non-universal instrument installing mechanism is also equipped in sliding rail mechanism;Non-universal instrument peace Mounting mechanism includes longitudinally mounted beam, vertical square column, instrument placement plate, lifting driving assembly and clamping driving assembly;In longitudinal direction The track slip base being slidably mounted at respectively there are two being set below mounting rail on two sliding rails;Longitudinally mounted beam and sliding Track is perpendicular;Vertical square column is vertically vertically mounted on the end of longitudinally mounted beam;Lifting driving assembly is mounted on vertical side On column, instrument placement plate is mounted on lifting driving assembly, drives the elevating movement of instrument placement plate by lifting driving assembly;Clamping Driving assembly is mounted in instrument placement plate, for gripping to non-universal instrument.
Further, lifting driving assembly includes lifting driving screw rod, upper end deck and lifting slip base;In upper end card The downside of seat is equipped with rectangular blind hole, is vertically provided with rectangular sliding sleeving hole on lifting slip base;Go up and down the slip base side of passing through Shape sliding sleeving hole is slidably mounted on vertical square column, and lifting driving support is equipped on the side of lifting slip base;It is going up and down Lifting driving threaded hole is vertically provided on driving support;Rectangular blind hole is mounted on the top of vertical square column;Lifting driving spiral shell Bar is rotatably mounted on the deck of upper end, and the upper end for going up and down driving screw rod is equipped with driving crank;Lifting driving screw flight It screws and is mounted on lifting driving threaded hole;Instrument placement plate is horizontally arranged on the side of lifting slip base.
Further, inclination reinforcing rod is fixedly installed between vertical square column and longitudinally mounted beam;In instrument placement plate Triangle gusset is equipped with the installed position of lifting slip base.
Further, clamping driving assembly includes clamping driving bolt and two clamping units being oppositely arranged;Clamping Unit includes lower screw drive seat, grip block, the lifting cutting that section is T shape and lifting locking bolt;In instrument placement plate It is equipped with the bar shaped pilot hole parallel with longitudinally mounted beam, there are two sliding guiding for slidingtype installation in bar shaped pilot hole Block;Fagging under the upper fagging of sliding and sliding is respectively equipped in the upper and lower side of sliding guide pad;In the downside of instrument placement plate Center support is equipped at the center of face;The rotating middle part formula of clamping driving bolt is mounted on center support, and clamps driving bolt It is parallel with bar shaped pilot hole;The thread rotary orientation that clamping driving bolt is located at center support two sides is opposite;Two clamping units Lower screw drive seat is respectively and fixedly installed to two pieces and slides on lower fagging;Two lower screw drive seats pass through clamping driving screw thread Hole, which screws, to be mounted on clamping driving bolt, and two lower screw drive seats are located at the two sides of center support;Two clampings The grip block of unit is mounted vertically in two pieces respectively and slides on upper fagging, and vertical on the relative inner face of two pieces of grip blocks It is provided with T shape lifting sliding slot;Lifting cutting slidingtype is inserted into the T shape lifting sliding slot of corresponding clamping unit;Lifting locking spiral shell Bolt threaded engagement is mounted on the lateral surface of grip block, and the end of lifting locking bolt protrudes into pressing in T shape lifting sliding slot and exists It goes up and down on cutting side.
Further, a bar shaped hinge recess is vertically provided on the relative inner face for going up and down cutting at two;In One piece of arc pressuring plate is hingedly installed at the bar shaped hinge recess of two sides;Two pieces of arc pressuring plates are on the center of instrument placement plate Side's inclination extends;It is equipped between arc pressuring plate and the lifting cutting of respective side by pressing spring;In the upside of instrument placement plate Bottom rubber pad is equipped on face and positioned at the two sides of bar shaped pilot hole;On the medial surface of grip block and it is located at T shape lifting cunning Slot two sides are equipped with side rubber pad;Top rubber pad is equipped in the inside cambered surface of arc pressuring plate.
The invention compared with prior art, the beneficial effect is that: using sliding driving screw rod come drive reflecting plate into The driving of row precise displacement, can be increased to 0.1mm or more for the displacement resolution of reflecting plate;It is arranged using reflecting plate edge Circular arc chamfering, can reduce edge reflection, reduce because edge change in the instantaneous impedance caused by reflection of electromagnetic wave.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the calibration equipment of the invention when carrying out general purpose instrument verification;
Fig. 2 is the non-universal instrument installing mechanism structural schematic diagram of the calibration equipment of the invention.
Specific embodiment
The invention technical solution is described in detail with reference to the accompanying drawing, but the protection scope of the invention It is not limited to the embodiment.
Embodiment 1:
As illustrated in fig. 1 and 2, transit time method level meter calibration equipment disclosed in the invention includes: sliding rail Mechanism, sliding driving mechanism, general purpose instrument installing mechanism and Reflecting plate mechanism;
Sliding driving mechanism includes sliding driving screw rod 3, driving motor 6 and motor reducer 5;Sliding driving screw rod 3 It is rotatably mounted in sliding rail mechanism by two screw rodb bases 11;Driving motor 6 rotates work for driving motor retarder 5 Make;Motor reducer 5 on sliding driving screw rod 3, is revolved by 13 abutting joint of connector for driving sliding driving screw rod 3 Turn;
Reflecting plate mechanism includes sliding support plate 8, board mount 9 and reflecting plate 4;Board mount 9 is mounted on sliding support plate 8 On;Reflecting plate 4 is mounted vertically on board mount 9, and the edge of reflecting plate 4 is provided with circular arc chamfering;It is sliding to slide support plate 8 Dynamic formula is mounted in sliding rail mechanism, and is fixedly installed with screw pair 12 in the lower section of sliding support plate 8;Sliding driving screw rod 3 screw and are mounted on screw pair 12, for driving reflecting plate 4 to slide along sliding rail mechanism;
General purpose instrument installing mechanism is mounted in sliding rail mechanism, for installing general purpose instrument to be verified.
It drives reflecting plate 4 to carry out precise displacement driving using sliding driving screw rod 3, the displacement of reflecting plate can be differentiated Rate is increased to 0.1mm or more;Using 4 edge of reflecting plate be arranged circular arc chamfering, can reduce edge reflection, reduce because Reflection of electromagnetic wave caused by the change in the instantaneous impedance at edge.
Further, sliding rail mechanism includes two transverse beams, 1, two sliding rail 15 and is set to two transverse directions Each support footing 14 of 1 lower section of beam, the bearing height of support footing 14 are adjustable;Two horizontally-parallel installations of transverse beam 1, and More longitudinally connected beams 2 are provided between two transverse beams 1;Two sliding rails 15 are transversely mounted on two transverse beams respectively 1 top;Reflecting plate mechanism and general purpose instrument installing mechanism pass through track slip base 17 and are slidably mounted at two sliding rails On 15.It being capable of reinforcement structure intensity using more longitudinally connected beams 2.
Further, one piece of screw rod mounting plate 10 is mounted at the both ends of two transverse beams 1;Two screw rodb bases 11 are distinguished It is fixedly mounted on two pieces of screw rod mounting plates 10;Track slip base 17 is set on the downside of sliding support plate 8.
Further, general purpose instrument installing mechanism includes bracket bottom plate 16, fixed bracket 18, upper layer mounting plate 19 and erects To side plate 20;Track slip base 17 is set on the downside of bracket bottom plate 16;Fixed bracket 18 is mounted on bracket bottom plate 16, Upper layer mounting plate 19 is fixedly mounted on the top of bracket bottom plate 16;Vertical side plate 20 is mounted vertically on upper layer mounting plate 19, and Bevelled edge is equipped in the upside of vertical side plate 20;Marginal center on bevelled edge is equipped with arc-shaped notch 21;In vertical side plate Waist-shaped hole 22 and bar shaped notch 51 are equipped on 20 and at bevelled edge;The length direction of waist-shaped hole 22 is parallel with bevelled edge, The fluting direction of bar shaped notch 51 is parallel with bevelled edge.Utilize 51 energy of arc-shaped notch 21, waist-shaped hole 22 and bar shaped notch The mounting means of three kinds of general purpose instruments is enough provided, the verification installation of most instrument is met.
Further, lower layer's mounting plate 23 is equipped on fixed bracket 18 and positioned at the lower section of upper layer mounting plate 19;Under Two bar shaped limit plates 24 are installed in parallel on layer mounting plate 23.It can be just using lower layer's mounting plate 23 and bar shaped limit plate 24 In other ancillary equipments of placement, such as power module or control module etc..
Further, a non-universal instrument installing mechanism is also equipped in sliding rail mechanism;Non-universal instrument peace Mounting mechanism includes longitudinally mounted beam 26, vertical square column 25, instrument placement plate 37, lifting driving assembly and clamping driving assembly; The track slip base 17 being slidably mounted at respectively there are two being set below longitudinally mounted beam 26 on two sliding rails 15;It is longitudinal Mounting rail 26 and sliding rail 15 are perpendicular;Vertical square column 25 is vertically vertically mounted on the end of longitudinally mounted beam 26;Lifting Driving assembly is mounted on vertical square column 25, and instrument placement plate 37 is mounted on lifting driving assembly, is driven by lifting driving assembly Dynamic 37 elevating movement of instrument placement plate;Clamping driving assembly is mounted in instrument placement plate 37, for carrying out to non-universal instrument It grips.It can be convenient for placing non-universal instrument, to effectively enhance calibration equipment using non-universal instrument installing mechanism Universal performance;Non-universal instrument can be clamped using lifting driving assembly and clamping driving assembly, and be made by adjusting Obtain the center of the transmitting signal face reflecting plate 4 of non-universal instrument.
Further, lifting driving assembly includes lifting driving screw rod 32, upper end deck 30 and lifting slip base 33;In The downside of upper end deck 30 is equipped with rectangular blind hole 31, is vertically provided with rectangular sliding sleeving hole on lifting slip base 33;Lifting Slip base 33 is slidably mounted on vertical square column 25 by rectangular sliding sleeving hole, and is equipped with and is risen on the side of lifting slip base 33 Drop driving support 34;Lifting driving threaded hole is vertically provided on lifting driving support 34;Rectangular blind hole 31 is mounted on vertically On the top of square column 25;Lifting driving screw rod 32 is rotatably mounted on upper end deck 30, and goes up and down the upper end of driving screw rod 32 Driving crank 36 is installed;Lifting driving 32 threaded engagement of screw rod is mounted on lifting driving threaded hole;37 water of instrument placement plate Safety is on the side of lifting slip base 33.The top of vertical square column 25 is buckled in using the rectangular blind hole 31 of upper end deck 30, Consequently facilitating disassembly, most of component of non-universal instrument installing mechanism can be removed, keep away when carrying out general purpose instrument verification Exempt to verify general purpose instrument and generates signal blocks;Using lifting slip base 33, lifting driving support 34, lifting driving screw rod 32 with And driving crank 36 can drive 37 elevating movement of instrument placement plate, so that the non-universal instrument to placement carries out height adjustment, Meet non-universal instrument contour structures otherness requirement, it is ensured that center of the transmitting signal as close as possible to reflecting plate 4.
Further, inclination reinforcing rod 27 is fixedly installed between vertical square column 25 and longitudinally mounted beam 26;In instrument The installed position of placement plate 37 and lifting slip base 33 is equipped with triangle gusset 35.It can be enhanced vertically using inclination reinforcing rod 27 Structural strength between square column 25 and longitudinally mounted beam 26;Instrument placement plate 37 can be enhanced using triangle gusset 35 and lifting is slided Move the structural strength between seat 33.
Further, clamping driving assembly includes clamping driving bolt 40 and two clamping units being oppositely arranged;Folder Holding unit includes lower screw drive seat 39, grip block 43, the lifting cutting 44 that section is T shape and lifting locking bolt 48;In Instrument placement plate 37 is equipped with the bar shaped pilot hole 50 parallel with longitudinally mounted beam 26, and slidingtype is pacified in bar shaped pilot hole 50 There are two slide guide pad for dress;Fagging under the upper fagging 42 of sliding and sliding is respectively equipped in the upper and lower side of sliding guide pad 41;Center support 38 is equipped at the downside center of instrument placement plate 37;The rotating middle part formula installation of clamping driving bolt 40 On center support 38, and it is parallel with bar shaped pilot hole 50 to clamp driving bolt 40;Clamping driving bolt 40 is located at center branch The thread rotary orientation of 38 two sides of seat is opposite;The lower screw drive seat 39 of two clamping units is respectively and fixedly installed to the lower support of two pieces of slidings On plate 41;Two lower screw drive seats 39 are screwed by clamping driving threaded hole and are mounted on clamping driving bolt 40, and two A lower screw drive seat 39 is located at the two sides of center support 38;The grip block 43 of two clamping units is mounted vertically in respectively Two pieces slide on upper fagging 42, and T shape lifting sliding slot are vertically provided on the relative inner face of two pieces of grip blocks 43, and T Shape goes up and down the upper surface that sliding slot runs through grip block 43;The T shape lifting that lifting 44 slidingtype of cutting is inserted into corresponding clamping unit is slided In slot;48 threaded engagement of lifting locking bolt is mounted on the lateral surface of grip block 43, and the end of lifting locking bolt 48 is stretched Enter and is pressed on lifting 44 side of cutting in T shape lifting sliding slot.The clamping unit being oppositely arranged using two drives spiral shell in clamping It synchronizes under the driving effect of bolt 40 and is clamped to center is mobile, it can be ensured that non-universal instrument is in center position always;It utilizes Fagging 42 and the stationarity for sliding lower fagging 41 when can ensure sliding in sliding;Using T shape lifting sliding slot, lifting cutting 44 with And lifting locking bolt 48 constitutes clamped height regulating mechanism, can satisfy requirement of the non-universal instrument in clamped height.
Further, a bar shaped hinge recess is vertically provided on the relative inner face for going up and down cutting 44 at two 45;One piece of arc pressuring plate 46 is hingedly installed at the bar shaped hinge recess 45 of two sides;Two pieces of arc pressuring plates 46 are put to instrument The overcentre inclination for setting plate 37 extends;It is equipped between arc pressuring plate 46 and the lifting cutting 44 of respective side by pressing spring 47;Bottom rubber pad 49 is equipped on the upper side of instrument placement plate 37 and positioned at the two sides of bar shaped pilot hole 50;It is clamping Side rubber pad 29 is equipped on the medial surface of plate 43 and positioned at T shape lifting sliding slot two sides;In the inside cambered surface of arc pressuring plate 46 It is equipped with top rubber pad 28.It can be from the tops of two sides to being put in instrument placement plate 37 using the arc pressuring plate 46 hingedly installed The non-universal instrument set carries out top pressing, and by ensuring to remain certain elasticity by Compressive Strength by pressing spring 47;Benefit It can play the role of anti-skidding and resilient support with bottom rubber pad 49, side rubber pad 29 and top rubber pad 28, so that There is preferable stability after non-universal instrument is clamped.
Transit time method level meter calibration equipment disclosed in the invention is when in use in two kinds of situation:
General purpose instrument verification: before start by instrument placement plate 37, lifting driving assembly and clamping driving assembly from perpendicular Lift on square column 25 and remove, to avoid signal blocks;The probe of general purpose instrument is directly fixedly mounted on arc-shaped notch 21, on waist-shaped hole 22 or bar shaped notch 51;It is rotated using driving motor 6 by the driving sliding driving screw rod 3 of motor reducer 5, To push reflecting plate 4 steadily to slide along two sliding rails 15, the distance between probe and reflecting plate 4 is altered in steps, thus It realizes and accurate verification is carried out to instrument.
Non-universal instrument check: non-universal instrument is placed in instrument placement plate 37, and rotation adjusts clamping driving bolt 40, non-universal instrument is clamped from two sides using two pieces of grip blocks 43, and can ensure that non-universal instrument is put positioned at instrument It sets at 37 center of plate, then up and down adjustment goes up and down cutting 44, so that the inside cambered surface of arc pressuring plate 46 presses on non-universal instrument top On portion side, then pass through lifting locking bolt 48 and be locked, then screw rod 32 is driven by driving 36 rotation and lifting of crank, To the height of regulation meter placement plate 37, finally make the transmitting signal of non-universal instrument as close as possible to the center of reflecting plate 4 Place.
As described above, although the invention has been indicated and described referring to specific preferred embodiment, it must not It is construed to the limitation to the invention itself.In the spirit and scope for not departing from the invention that appended claims define Under the premise of, it can various changes can be made in the form and details to it.

Claims (10)

1. a kind of transit time method level meter calibration equipment, it is characterised in that: including sliding rail mechanism, sliding driving machine Structure, general purpose instrument installing mechanism and Reflecting plate mechanism;
Sliding driving mechanism includes sliding driving screw rod (3), driving motor (6) and motor reducer (5);Sliding driving screw rod (3) it is rotatably mounted in sliding rail mechanism by two screw rodb bases (11);Driving motor (6) is used for driving motor retarder (5) rotary work;Motor reducer (5) is driven on screw rod (3) by connector (13) abutting joint in sliding, for driving cunning Move driving screw rod (3) rotation;
Reflecting plate mechanism includes sliding support plate (8), board mount (9) and reflecting plate (4);Board mount (9) is mounted on sliding branch On fagging (8);Reflecting plate (4) is mounted vertically on board mount (9), and the edge of reflecting plate (4) is provided with circular arc chamfering; Sliding support plate (8) is slidably mounted in sliding rail mechanism, and is fixedly installed with screw rod below sliding support plate (8) Secondary (12);Sliding driving screw rod (3), which screws, to be mounted on screw pair (12), for driving reflecting plate (4) along sliding rail mechanism Sliding;
General purpose instrument installing mechanism is mounted in sliding rail mechanism, for installing general purpose instrument to be verified.
2. transit time method level meter calibration equipment shown according to claim 1, it is characterised in that: sliding rail mechanism packet Include two transverse beams (1), two sliding rails (15) and each support footing being set to below two transverse beams (1) (14);Two horizontally-parallel installations of transverse beam (1), and at least two longitudinally connected beams are provided between two transverse beams (1) (2);Two sliding rails (15) are transversely mounted on respectively above two transverse beams (1);Reflecting plate mechanism and general purpose instrument installation Mechanism passes through track slip base (17) and is slidably mounted on two sliding rails (15).
3. the transit time method level meter calibration equipment according to shown in claim 2, it is characterised in that: in two transverse beams (1) both ends are mounted on one piece of screw rod mounting plate (10);Two screw rodb bases (11) are respectively and fixedly installed to two pieces of screw rod installations On plate (10);Track slip base (17) is set on the downside of sliding support plate (8).
4. the transit time method level meter calibration equipment according to shown in claim 3, it is characterised in that: general purpose instrument fitting machine Structure includes bracket bottom plate (16), fixed bracket (18), upper layer mounting plate (19) and vertical side plate (20);Track slip base (17) It is set on the downside of bracket bottom plate (16);Fixed bracket (18) are mounted on bracket bottom plate (16), upper layer mounting plate (19) It is fixedly mounted on the top of bracket bottom plate (16);Vertical side plate (20) is mounted vertically on upper layer mounting plate (19), and vertical The upside of side plate (20) is equipped with bevelled edge;Marginal center on bevelled edge is equipped with arc-shaped notch (21);In vertical side plate (20) waist-shaped hole (22) and bar shaped notch (51) are equipped on and at bevelled edge;The length direction and bevelled edge of waist-shaped hole (22) Parallel, the fluting direction of bar shaped notch (51) is parallel with bevelled edge.
5. the transit time method level meter calibration equipment according to shown in claim 4, it is characterised in that: in fixed bracket (18) Lower section that is upper and being located at upper layer mounting plate (19) is equipped with lower layer's mounting plate (23);It is equipped with two in parallel on lower layer's mounting plate (23) Root bar shaped limit plate (24).
6. the transit time method level meter calibration equipment according to shown in claim 2, it is characterised in that: in sliding rail mechanism On be also equipped with a non-universal instrument installing mechanism;Non-universal instrument installing mechanism includes longitudinally mounted beam (26), vertical side Column (25), instrument placement plate (37), lifting driving assembly and clamping driving assembly;Two are equipped with below longitudinally mounted beam (26) A track slip base (17) being slidably mounted on two sliding rails (15) respectively;Longitudinally mounted beam (26) and sliding rail (15) perpendicular;Vertical square column (25) is vertically vertically mounted on the end of longitudinally mounted beam (26);Go up and down driving assembly installation On vertical square column (25), instrument placement plate (37) is mounted on lifting driving assembly, is put by lifting driving assembly driving instrument Set plate (37) elevating movement;Clamping driving assembly is mounted on instrument placement plate (37), for clamping to non-universal instrument It is fixed.
7. the transit time method level meter calibration equipment according to shown in claim 6, it is characterised in that: lifting driving assembly packet Include lifting driving screw rod (32), upper end deck (30) and lifting slip base (33);It is set on the downside of upper end deck (30) There are rectangular blind hole (31), is vertically provided with rectangular sliding sleeving hole in lifting slip base (33);Lifting slip base (33) passes through rectangular Sliding sleeving hole is slidably mounted on vertical square column (25), and lifting driving support is equipped on the side of lifting slip base (33) (34);Lifting driving threaded hole is vertically provided in lifting driving support (34);Rectangular blind hole (31) is mounted on vertical square column (25) on top;Lifting driving screw rod (32) is rotatably mounted on upper end deck (30), and goes up and down driving screw rod (32) Upper end is equipped with driving crank (36);Lifting driving screw rod (32) threaded engagement is mounted on lifting driving threaded hole;Instrument is put Plate (37) is set to be horizontally arranged on the side of lifting slip base (33).
8. the transit time method level meter calibration equipment according to shown in claim 7, it is characterised in that: in vertical square column (25) Inclination reinforcing rod (27) is fixedly installed between longitudinally mounted beam (26);In instrument placement plate (37) and lifting slip base (33) Installed position be equipped with triangle gusset (35).
9. the transit time method level meter calibration equipment according to shown in claim 6, it is characterised in that: clamping driving assembly packet Include clamping driving bolt (40) and two clamping units being oppositely arranged;Clamping unit includes lower screw drive seat (39), folder Hold the lifting cutting (44) and lifting locking bolt (48) of plate (43), section for T shape;On instrument placement plate (37) be equipped with The parallel bar shaped pilot hole (50) of longitudinally mounted beam (26), there are two slidings to lead for slidingtype installation in bar shaped pilot hole (50) To block;Fagging (41) under being respectively equipped with sliding upper fagging (42) in the upper and lower side of sliding guide pad and sliding;It is put in instrument It sets and is equipped with center support (38) at the downside center of plate (37);The rotating middle part formula of clamping driving bolt (40) is mounted on center On support (38), and it is parallel with bar shaped pilot hole (50) to clamp driving bolt (40);Clamping driving bolt (40) is located at center The thread rotary orientation of support (38) two sides is opposite;The lower screw drive seat (39) of two clamping units is respectively and fixedly installed to two pieces of cunnings It moves on lower fagging (41);Two lower screw drive seats (39) are screwed by clamping driving threaded hole and are mounted on clamping driving bolt (40) on, and two lower screw drive seats (39) are located at the two sides of center support (38);The grip block of two clamping units (43) it is mounted vertically in two pieces respectively to slide on upper fagging (42), and vertical on the relative inner face of two pieces of grip blocks (43) It is provided with T shape lifting sliding slot;Lifting cutting (44) slidingtype is inserted into the T shape lifting sliding slot of corresponding clamping unit;Elevator lock Determine bolt (48) threaded engagement to be mounted on the lateral surface of grip block (43), and T shape is protruded into the end of lifting locking bolt (48) It goes up and down and is pressed in sliding slot on lifting cutting (44) side.
10. the transit time method level meter calibration equipment according to shown in claim 9, it is characterised in that: inserted in two liftings A bar shaped hinge recess (45) is vertically provided on the relative inner face of item (44);Bar shaped hinge recess (45) in two sides Place is hingedly equipped with one piece of arc pressuring plate (46);The overcentre inclination of two pieces of arc pressuring plate (46) Xiang Yibiao placement plates (37) Extend;It is equipped between arc pressuring plate (46) and the lifting cutting (44) of respective side by pressing spring (47);In instrument placement plate (37) bottom rubber pad (49) are equipped on upper side and positioned at the two sides of bar shaped pilot hole (50);In the interior of grip block (43) Side rubber pad (29) are equipped on side and positioned at T shape lifting sliding slot two sides;It is set in the inside cambered surface of arc pressuring plate (46) There are top rubber pad (28).
CN201910767633.8A 2019-08-20 2019-08-20 Transit time method material level instrument calibration device Active CN110411539B (en)

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CN110702459A (en) * 2019-11-20 2020-01-17 红河哈尼族彝族自治州水利水电工程地质勘察咨询规划研究院 Water quality sampling device
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