CN111879442B - Bimetallic thermometer calibration device - Google Patents
Bimetallic thermometer calibration device Download PDFInfo
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- CN111879442B CN111879442B CN202010804801.9A CN202010804801A CN111879442B CN 111879442 B CN111879442 B CN 111879442B CN 202010804801 A CN202010804801 A CN 202010804801A CN 111879442 B CN111879442 B CN 111879442B
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- fixedly connected
- shell
- casing
- placing frame
- magnet
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K15/00—Testing or calibrating of thermometers
- G01K15/005—Calibration
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression 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
- F16F15/04—Suppression 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
- F16F15/06—Suppression 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
- F16F15/067—Suppression 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
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- General Engineering & Computer Science (AREA)
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- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The invention relates to the technical field of industrial temperature detection devices, in particular to a calibration device for a bimetallic thermometer, which comprises a shell, wherein a top cover is arranged on the upper side of the shell, a placing mechanism is fixedly connected to the bottom of the top cover, the left end and the right end of the placing mechanism are both connected with lifting mechanisms arranged at the left end and the right end of the inner side of the shell, a detection mechanism is arranged on the lower side of the placing mechanism, and a damping base is arranged at the bottom of the shell.
Description
Technical Field
The invention relates to the technical field of industrial temperature detection devices, in particular to a calibration device for a bimetallic thermometer.
Background
Modern large-scale thermal power plants are gradually moving towards the development of clean, environment-friendly and high-tech technical level, and also in the aspect of thermal control temperature measuring points. In order to avoid the environment pollution caused by the damaged mercury thermometer, the thermal control temperature measuring point on-site display instrument of the thermal power plant mostly uses the bimetallic thermometer. A bimetallic thermometer is a field detection instrument for measuring medium and low temperature. The temperature of the liquid vapor and the gas medium in the range of-80 ℃ to +500 ℃ in various production processes can be directly measured. The main element of industrial bimetallic thermometers is a multilayer metal sheet made up of two or more metal sheets laminated together, operating on the principle that two different metals expand to different extents when the temperature changes. When the temperature changes, the free end of the temperature sensing device rotates along with the temperature change, so that the pointer on the thin shaft is driven to change the angle, and the corresponding temperature is indicated on the dial.
At present, a bimetallic thermometer lacks a related detection device, the device needs to be sent to a related professional detection mechanism when the bimetallic thermometer is stopped and overhauled every detection, the detection cost is high, the working efficiency is influenced, once the bimetallic thermometer has a problem during the operation of a unit, only new elements can be directly replaced, and the bimetallic thermometer is not economical, so that the bimetallic thermometer calibration device is urgently required to be developed aiming at the current situation so as to overcome the defects in the current practical application.
Disclosure of Invention
The present invention is directed to a calibration device for a bimetal thermometer, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a bimetal thermometer calibration equipment, includes the casing, the casing upside is provided with the top cap, top cap bottom fixed connection is provided with placement mechanism, both ends all are connected with the elevating system who sets up both ends about the casing is inboard about placement mechanism, the placement mechanism downside is provided with detection mechanism, the casing bottom is provided with vibration damping mount.
As a further scheme of the invention: the placing mechanism comprises a placing frame fixedly connected and arranged at the bottom of the top cover, a placing groove is formed in the inner side of the placing frame, clamping plates in sliding connection with the placing frame are arranged on the left side and the right side of the bottom end of the placing groove, and a third spring is fixedly connected between the clamping plates and the placing frame.
As a further scheme of the invention: elevating system includes that fixed connection sets up the fixed block at both ends about the casing is inboard, the inboard articulated telescopic link that is provided with of fixed block, the telescopic link other end is articulated with the connecting block, connecting block top fixed connection is provided with the slider, slider and the spout sliding connection who sets up at the top cap inboard, the equal fixed connection in both ends bottom is provided with the guide bar with casing sliding connection about the top cap, fixed connection is provided with first spring between guide bar bottom and the casing.
As a further scheme of the invention: the connecting block is close to and places frame one side fixed connection and is provided with the push rod, the push rod downside is provided with and places the frame and rotate the transfer line of being connected, transfer line outside fixed connection is provided with drive gear, the drive gear downside is provided with and places frame sliding connection's movable block, the movable block is close to standing groove one side fixed connection and is provided with the briquetting, movable block and push rod are close to transfer line one side fixed connection and are provided with the rack of being connected with the drive gear meshing.
As a further scheme of the invention: and rubber pads are fixedly connected with one sides of the clamping plates and the pressing blocks, which are in contact with the bimetallic thermometer.
As a further scheme of the invention: the detection mechanism comprises a constant-temperature water tank fixedly connected with the bottom of the inner side of the shell, a plurality of heaters are fixedly connected with the inner side of the constant-temperature water tank, a rotating rod is arranged on the inner side of each of the left end and the right end of the constant-temperature water tank in a rotating mode, a motor is arranged on the left side of the constant-temperature water tank in a bolted connection mode, belt wheels are arranged on the outer sides of the motor output end and the rotating rod in a fixed connection mode, the belt wheels are connected through belts, and a stirring rod is arranged on the top of the rotating rod in a fixed connection mode.
As a further scheme of the invention: damping base is including setting up the bottom plate at the casing downside, the equal fixed connection in both ends top is provided with a plurality of connecting rods about the bottom plate, connecting rod top fixed connection be provided with casing sliding connection's limiting plate, fixed connection is provided with the second spring between limiting plate bottom and the casing, casing bottom fixed connection is provided with first magnet, first magnet downside is provided with the second magnet with bottom plate fixed connection, first magnet and the relative one side magnetism of second magnet are the same.
Compared with the prior art, the invention has the beneficial effects that:
1. the lifting mechanism is arranged, so that the top cover can be lifted, the device can keep enough sealing performance during measurement, and the influence of external factors on the detection process is avoided;
2. the placing mechanism is arranged, the third spring is used for driving the clamping plate to fix the bimetallic thermometer, the lifting mechanism can drive the push rod to move in the lifting process through the arrangement of the push rod, the push rod and the transmission gear arranged on the outer side of the transmission rod can drive the movable block to move, the pressing block can further fix the bimetallic thermometer, the bimetallic thermometer is kept stable in detection, and the accuracy of a detection result is ensured;
3. through setting up detection mechanism, will treat the measured temperature of the bimetal thermometer of check-up and the inboard temperature setting of constant temperature water tank and contrast and can accomplish the detection, simple structure need not deliver to the inspection mechanism of specialty and examine, can examine at the mill, and convenient to use through setting up vibration damping mount, can reduce the influence that vibrations caused to the device, makes the device remain stable when detecting.
Drawings
Fig. 1 is a schematic structural diagram of a bimetallic thermometer calibration device.
FIG. 2 is a bottom view of a top cover of the bi-metal thermometer calibration device.
Fig. 3 is an enlarged schematic view of a portion a in fig. 1.
Fig. 4 is a schematic perspective view of a bimetallic thermometer calibration device.
In the figure: 1-housing, 2-top cover, 3-placement frame, 4-guide bar, 5-first spring, 6-fixed block, 7-telescopic bar, 8-connecting block, 9-slide block, 10-slide groove, 11-thermostatic water tank, 12-heater, 13-motor, 14-rotating bar, 15-stirring bar, 16-belt wheel, 17-belt, 18-bottom plate, 19-connecting bar, 20-limiting plate, 21-second spring, 22-anti-slip pad, 23-first magnet, 24-second magnet, 25-push rod, 26-rack, 27-clamping plate, 28-rubber pad, 29-transmission bar, 30-transmission gear, 31-placement groove, 32-movable block, 33-press block, 34-third spring, 35-viewing window, 36-controller.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
Example 1
Referring to fig. 1-4, in an embodiment of the present invention, a calibration apparatus for a bimetal thermometer includes a housing 1, a top cover 2 is disposed on an upper side of the housing 1, a placement mechanism is fixedly connected to a bottom of the top cover 2, both left and right ends of the placement mechanism are connected to lifting mechanisms disposed on both left and right ends of an inner side of the housing 1, a detection mechanism is disposed on a lower side of the placement mechanism, and a damping base is disposed at a bottom of the housing 1.
Example 2
In this embodiment, place the mechanism and include that fixed connection sets up the frame 3 of placing in top cap 2 bottom, it is provided with standing groove 31 to place 3 inboards of frame, the standing groove 31 bottom left and right sides all is provided with and places 3 sliding connection's of frame splint 27, splint 27 and place between the frame 3 fixed connection be provided with third spring 34, through setting up the mechanism of placing, utilize third spring 34 to drive splint 27 and can provide fixedly to bimetallic thermometer.
In this embodiment, elevating system includes that fixed block 6 at both ends about fixed connection sets up 1 inboard at the casing, 6 inboard articulated telescopic link 7 that is provided with of fixed block, the 7 other ends of telescopic link are articulated with connecting block 8, 8 top fixed connection of connecting block is provided with slider 9, slider 9 and the 10 sliding connection of spout that set up at top cap 2 inboards, the equal fixed connection in both ends bottom is provided with guide bar 4 with 1 sliding connection of casing about top cap 2, fixed connection is provided with first spring 5 between 4 bottoms of guide bar and the casing 1, through setting up elevating system, can realize the lift of top cap 2, makes the device keep sufficient leakproofness when measuring, avoids external factors to produce the influence to the testing process.
In this embodiment, a push rod 25 is fixedly connected to one side of the connecting block 8 close to the placing frame 3, a transmission rod 29 rotatably connected to the placing frame 3 is arranged on the lower side of the push rod 25, a transmission gear 30 is fixedly connected to the outer side of the transmission rod 29, a movable block 32 slidably connected to the placing frame 3 is arranged on the lower side of the transmission gear 30, a pressing block 33 is fixedly connected to one side of the movable block 32 close to the placing groove 31, a rack 26 engaged with the transmission gear 30 is fixedly connected to one sides of the movable block 32 and the push rod 25 close to the transmission rod 29, the push rod 25 is arranged, the lifting mechanism can drive the push rod 25 to move during lifting, the push rod 25 and the transmission gear 30 arranged on the outer side of the transmission rod 29 can drive the movable block 32 to move, so that the pressing block 33 can further fix the bimetal thermometer, and the bimetal thermometer can be kept stable during detection, the accuracy of the detection result is ensured.
In this embodiment, the rubber pad 28 is fixedly connected to both the clamping plate 27 and the pressing block 33 on the side contacting with the bimetal thermometer.
In this embodiment, detection mechanism includes that fixed connection sets up the constant temperature water tank 11 in 1 inboard bottom of casing, 11 inboard fixed connection of constant temperature water tank is provided with a plurality of heaters 12, constant temperature water tank 11 is controlled both ends inboard and is all rotated and connect and be provided with bull stick 14, 11 left side bolted connection of constant temperature water tank is provided with motor 13, the equal fixed connection in motor 13 output and the bull stick 14 outside is provided with band pulley 16, connect through belt 17 between the band pulley 16, 14 top fixed connection of bull stick is provided with puddler 15, and through setting up detection mechanism, the temperature of measuring of the bimetallic thermometer who will treat the check-up compares with the 11 inboard temperature that sets up of constant temperature water tank and can accomplish the detection, and simple structure need not send to professional inspection mechanism to inspect, can inspect in the mill, convenient to use.
In this embodiment, vibration damping mount is including setting up bottom plate 18 in casing 1 downside, the equal fixed connection in both ends top is provided with a plurality of connecting rods 19 about bottom plate 18, connecting rod 19 top fixed connection is provided with limiting plate 20 with casing 1 sliding connection, fixed connection is provided with second spring 21 between limiting plate 20 bottom and the casing 1, casing 1 bottom fixed connection is provided with first magnet 23, first magnet 23 downside is provided with second magnet 24 with bottom plate 18 fixed connection, first magnet 23 is the same with the relative one side magnetism of second magnet 24, through setting up vibration damping mount, can reduce the influence that vibrations caused to the device, makes the device remain stable when examining.
In this embodiment, an observation window 35 for observing the bimetallic thermometer is fixedly connected to the front side of the casing 1, a controller 36 for controlling the detection mechanism is arranged on the lower side of the observation window 35, and the controller 36 is fixedly connected to the casing 1.
In this embodiment, a non-slip mat 22 is fixedly connected to the bottom of the bottom plate 18.
The working principle of the invention is as follows: the double-metal thermometer is placed in the placing groove 31, the third spring 34 is utilized to drive the clamping plate 27 to fix the double-metal thermometer, the lifting mechanism can drive the push rod 25 to move in the lifting process, the push rod 25 and the transmission gear 30 arranged on the outer side of the transmission rod 29 can drive the movable block 32 to move, the pressing block 33 can further fix the double-metal thermometer, the double-metal thermometer can be kept stable in detection, the accuracy of a detection result is ensured, the top cover 2 can be lowered by the contraction of the telescopic rod 7, the device can keep enough tightness in measurement, the influence of external factors on the detection process is avoided, the detection can be completed by comparing the measured temperature of the double-metal thermometer to be verified with the temperature arranged on the inner side of the constant temperature water tank 11, the structure is simple, the double-metal thermometer can be detected without being sent to a professional detection mechanism for detection, and the detection can be performed in a factory, is convenient to use.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several variations and modifications without departing from the concept of the present invention, and these should be considered as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent.
Claims (5)
1. A double-metal thermometer calibration device comprises a shell (1) and is characterized in that a top cover (2) is arranged on the upper side of the shell (1), a placement mechanism is fixedly connected to the bottom of the top cover (2), the left end and the right end of the placement mechanism are both connected with lifting mechanisms arranged at the left end and the right end of the inner side of the shell (1), a detection mechanism is arranged on the lower side of the placement mechanism, a damping base is arranged at the bottom of the shell (1), the lifting mechanisms comprise fixed blocks (6) fixedly connected to the left end and the right end of the inner side of the shell (1), telescopic rods (7) are hinged to the inner sides of the fixed blocks (6), the other ends of the telescopic rods (7) are hinged to connecting blocks (8), sliding blocks (9) are fixedly connected to the top ends of the connecting blocks (8), the sliding blocks (9) are slidably connected with sliding grooves (10) arranged on the inner side of the top cover (2), the bottoms of the left and right ends of the top cover (2) are fixedly connected with guide rods (4) which are connected with the shell (1) in a sliding way, a first spring (5) is fixedly connected between the bottom end of the guide rod (4) and the shell (1), a push rod (25) is fixedly connected with one side of the connecting block (8) close to the placing frame (3), a transmission rod (29) which is rotationally connected with the placing frame (3) is arranged at the lower side of the push rod (25), a transmission gear (30) is fixedly connected and arranged at the outer side of the transmission rod (29), a movable block (32) which is connected with the placing frame (3) in a sliding way is arranged at the lower side of the transmission gear (30), a pressing block (33) is fixedly connected with one side of the movable block (32) close to the placing groove (31), and a rack (26) meshed with the transmission gear (30) is fixedly connected to one side of the movable block (32) and the push rod (25) close to the transmission rod (29).
2. The bimetallic thermometer calibration device according to claim 1, wherein the placing mechanism comprises a placing frame (3) fixedly connected and arranged at the bottom of the top cover (2), a placing groove (31) is arranged on the inner side of the placing frame (3), clamping plates (27) slidably connected with the placing frame (3) are arranged on the left side and the right side of the bottom end of the placing groove (31), and a third spring (34) is fixedly connected between the clamping plates (27) and the placing frame (3).
3. The bimetallic thermometer verifying device as in claim 2, characterized in that the clamping plate (27) and the pressing block (33) are fixedly connected with a rubber pad (28) on the side contacting the bimetallic thermometer.
4. The bimetallic thermometer calibration device according to claim 1, wherein the detection mechanism comprises a constant temperature water tank (11) fixedly connected and arranged at the bottom of the inner side of the shell (1), a plurality of heaters (12) are fixedly connected to the inner side of the constant temperature water tank (11), rotating rods (14) are rotatably connected to the inner sides of the left end and the right end of the constant temperature water tank (11), a motor (13) is connected to the left side of the constant temperature water tank (11) through bolts, belt wheels (16) are fixedly connected to the outer sides of the output end of the motor (13) and the rotating rods (14), the belt wheels (16) are connected through a belt (17), and a stirring rod (15) is fixedly connected to the top of the rotating rods (14).
5. The bimetallic thermometer calibration device according to claim 2, wherein the damping base comprises a bottom plate (18) arranged on the lower side of the casing (1), a plurality of connecting rods (19) are fixedly connected to the tops of the left end and the right end of the bottom plate (18), a limiting plate (20) slidably connected with the casing (1) is fixedly connected to the tops of the connecting rods (19), a second spring (21) is fixedly connected between the bottom end of the limiting plate (20) and the casing (1), a first magnet (23) is fixedly connected to the bottom of the casing (1), a second magnet (24) fixedly connected with the bottom plate (18) is arranged on the lower side of the first magnet (23), and the magnetism of the first magnet (23) and the magnetism of the second magnet (24) on the opposite side are the same.
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CN202010804801.9A CN111879442B (en) | 2020-08-12 | 2020-08-12 | Bimetallic thermometer calibration device |
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CN202010804801.9A CN111879442B (en) | 2020-08-12 | 2020-08-12 | Bimetallic thermometer calibration device |
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CN111879442A CN111879442A (en) | 2020-11-03 |
CN111879442B true CN111879442B (en) | 2021-11-16 |
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CN113280933B (en) * | 2021-07-21 | 2021-09-21 | 东营金昱技术开发有限公司 | Prevent high temperature type temperature transmitter with shock-absorbing function |
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CN104931156A (en) * | 2015-06-25 | 2015-09-23 | 安徽华茂纺织股份有限公司 | Bimetallic thermometer calibration device |
CN208568119U (en) * | 2018-07-04 | 2019-03-01 | 深圳理思科技有限公司 | A kind of water survey device convenient for clamping thermometer |
CN208765873U (en) * | 2018-08-31 | 2019-04-19 | 华润电力登封有限公司 | A kind of bi-metal temperature meter checking device |
CN110514324A (en) * | 2019-08-30 | 2019-11-29 | 常州市第二人民医院 | A kind of mercurial thermometer detection device |
CN210625875U (en) * | 2019-11-04 | 2020-05-26 | 天津市晶信电子有限公司 | Auto-parts temperature sensor installing support |
CN210981714U (en) * | 2019-11-29 | 2020-07-10 | 江苏苏源杰瑞科技有限公司 | Impact test equipment for electric energy meter shell |
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JP4714849B2 (en) * | 2006-03-02 | 2011-06-29 | 独立行政法人産業技術総合研究所 | Variable temperature low temperature calibration system |
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2020
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Patent Citations (6)
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CN104931156A (en) * | 2015-06-25 | 2015-09-23 | 安徽华茂纺织股份有限公司 | Bimetallic thermometer calibration device |
CN208568119U (en) * | 2018-07-04 | 2019-03-01 | 深圳理思科技有限公司 | A kind of water survey device convenient for clamping thermometer |
CN208765873U (en) * | 2018-08-31 | 2019-04-19 | 华润电力登封有限公司 | A kind of bi-metal temperature meter checking device |
CN110514324A (en) * | 2019-08-30 | 2019-11-29 | 常州市第二人民医院 | A kind of mercurial thermometer detection device |
CN210625875U (en) * | 2019-11-04 | 2020-05-26 | 天津市晶信电子有限公司 | Auto-parts temperature sensor installing support |
CN210981714U (en) * | 2019-11-29 | 2020-07-10 | 江苏苏源杰瑞科技有限公司 | Impact test equipment for electric energy meter shell |
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