CN217189693U - Integrated support of glass measuring vessel calibrating installation - Google Patents

Abstract

The utility model discloses an integrated bracket of a glass measuring device calibrating device, which relates to the technical field of glass measuring device calibrating devices and comprises a base, wherein one end of the base is vertically fixed with a bracket, the top end of the bracket is fixed with a top plate, a limiting rod and a screw rod are arranged between the top plate and the base, a water storage barrel seat is sleeved on the screw rod, and the limiting rod passes through the water storage barrel seat; two side supporting plates are respectively installed on two sides of the bottom end of the support, a driving mechanism for driving the screw to rotate is arranged between the two side supporting plates, a checking frame is sequentially and vertically and fixedly installed in the middle of the base, and a temperature measuring cylinder is installed on the checking frame; the glass measuring device is arranged on the detection frame, the switch valve is arranged at the bottom end of the glass measuring device, the switch valve is connected with the lower interface of the temperature measuring cylinder through a hose, and the upper interface of the temperature measuring cylinder is connected with the water storage barrel through a hose. The utility model discloses make the water storage bucket firmly fix on the platform, realize multiunit calibrating installation's setting, and mutual noninterference, effectively improve work efficiency, easy and simple to handle has extensive adaptability.

Description

Integrated support of glass measuring vessel calibrating installation

Technical Field

The utility model relates to a glass measuring vessel's examination technical field specifically is a glass measuring vessel calibrating installation integrated support.

Background

The glass measuring apparatus is the most commonly used measuring apparatus in chemical analysis, and the accuracy of the measuring apparatus directly influences the analysis result, so the verification of the glass measuring apparatus is very important. The glass gauge test is one of the most frequent mechanical gauges. The glass measuring device mainly comprises a common glass measuring device, a standard glass measuring device and a special glass measuring device. The commonly used glass measuring apparatus mainly comprises a burette, a graduation pipette, a single-marking volumetric flask, a measuring cylinder, a measuring cup and the like; the standard glass measuring device is mainly used for verifying a second-class glass measuring device and other common glass measuring devices; the special glass measuring apparatus mainly comprises a colorimetric tube, a graduated test tube, a centrifuge tube and the like. The detection period of the glass measuring apparatus is generally not more than 3 years according to the detection rules of the common glass measuring apparatus in JJG 196-2006, the detection rules of the standard glass measuring apparatus in JJJG 20-2001 and the detection rules of the special glass measuring apparatus in JJG 10-2005, wherein the non-plug burette is 1 year. Therefore, the verification of the glass measuring apparatus usually shows that the workload is large, a large number of glass measuring apparatuses need to be verified in a centralized manner, and due to the limitation of the verification device, only one person can perform verification operation on a single glass measuring apparatus, so that the problem of task accumulation and low efficiency is often caused under the condition of heavy workload.

In addition, in the process of testing the common glass measuring apparatus, the standard glass measuring apparatus and the special glass measuring apparatus, certification devices are required, and existing certification devices typically use a single support to support the various certification gauges, the water storage barrel or the water storage bag needs to be independently placed or hung at a high place, and in order to keep the temperature stable in the verification process, a distilled water generator is not generally adopted, in the verification process, water exceeding the capacity of the detected batcher is needed, when the verification task is large, water needs to be repeatedly added into the water storage barrel or the water storage bag, and the water storage barrel or the water storage bag is repeatedly lifted up and placed at a high place, meanwhile, the existing water storage barrel is mostly made of glass, water is repeatedly added to place the water storage barrel made of glass, the high-altitude water storage bucket is easy to fall off, the water storage bucket filled with water falls off in a laboratory to pollute the experimental environment, and meanwhile, the safety problem is caused and the water storage bucket is dangerous. Therefore, it is more important to efficiently and conveniently complete the calibration of the glass measuring device in the laboratory. In order to solve the above problems, it is necessary to improve the existing integrated holder of the glass measuring device calibrating apparatus.

Disclosure of Invention

The utility model discloses a solve present when big and time shortage to glass measuring apparatus examination task volume, can only accomplish alone by single examination work, unable many people go on in step, intensity of labour is big, and is heavy at the task volume, often causes the task to pile up, the problem of inefficiency, and water storage bucket or water storage bag place or hang alone in the eminence in addition, not only highly can not adjust, and the water storage bucket of glass material easily falls in the eminence simultaneously, has certain danger.

The utility model discloses a following technical scheme realizes:

an integrated bracket of a glass measuring device calibrating device comprises a base, wherein a bracket is vertically fixed at one end of the base, a top plate is horizontally fixed at the top end of the bracket, two limiting rods are vertically fixed between the top plate and the base, a screw rod is installed between the top plate and the base through two bearings, a water storage barrel seat is sleeved on the screw rod, the limiting rods penetrate through the water storage barrel seat, a water storage barrel is placed on a water storage horizontal platform of the water storage barrel seat, and a water outlet hole is formed in the lower end of the water storage barrel; two side supporting plates are respectively arranged on two sides of the bottom end of the support, a driving mechanism for driving the screw rod to rotate is arranged between the two side supporting plates, two ends of a hand wheel shaft of the driving mechanism are rotatably supported between the two side supporting plates, and a hand wheel is arranged at one end of the hand wheel shaft; the middle part of the base is sequentially and vertically fixedly provided with a verification frame I and a verification frame II, the verification frame I and the verification frame II are respectively provided with a temperature measuring cylinder I and a temperature measuring cylinder II through clamps, the side walls of the temperature measuring cylinder I and the temperature measuring cylinder II are respectively provided with an upper interface and a lower interface, the top ends of the temperature measuring cylinder I and the temperature measuring cylinder II are respectively plugged with a rubber plug, a precision thermometer I and a precision thermometer II penetrating through the rubber plug are respectively arranged in the temperature measuring cylinder I and the temperature measuring cylinder II, and the lower ends of the two precision thermometers are lower than the lower interfaces of the respective temperature measuring cylinders; examine and decide frame I, examine and install glass measuring vessel I respectively through anchor clamps on the frame II, glass measuring vessel I, ooff valve I is installed respectively to the bottom of glass measuring vessel II, ooff valve I passes through III connections of hose with the lower interface of temperature measuring section of thick bamboo I, ooff valve II passes through IV connections of hose with the lower interface of temperature measuring section of thick bamboo II, the last interface of temperature measuring section of thick bamboo I, the last interface of temperature measuring section of thick bamboo II all is connected with the apopore that the water storage bucket was seted up through the hose, and be equipped with the stagnant water clamp on the hose.

When in use, the integrated bracket of the glass gauge calibrating device designed by the utility model is made of high-carbon steel, the base is made of high-carbon steel, the quality of the integrated bracket is enough to bear that a water storage barrel is fully loaded on a water storage level platform of a water storage barrel seat to be stable, the whole device is not overturned, if necessary, the edge retaining device which can be fixed on a test bench is stable, the bracket is vertically fixed at one end of the base, a top end of the bracket is horizontally fixed with a top plate, two limit rods are vertically fixed between the top plate and the base, a screw rod is installed between the top plate and the base through two bearings, the water storage barrel seat is sleeved on the screw rod, the limit rods penetrate through the water storage barrel seat, the water storage barrel seat extends towards one side of the base and moves up and down through the rotation of the screw rod, the limit rods at two sides can not rotate left and right, the water storage barrel is placed on the water storage platform of the water storage barrel seat, the edge of the water storage platform is provided with a fence, the water storage barrel is prevented from sliding and falling, the water storage barrel is made of transparent materials, the residual water level in the barrel can be observed conveniently, a double-layer barrel cover is arranged at the top of the water storage barrel, a small hole is formed in the inner-layer barrel cover, the outer-layer barrel cover is a sealing barrel cover, water in the water storage barrel can be guaranteed to flow down smoothly by utilizing gravitational potential energy, the purity of residual water in the barrel can be guaranteed not to be polluted by impurities, the verification accuracy is guaranteed, and a water outlet hole is formed in the lower end of the water storage barrel; a collateral branch fagging is respectively installed to the bottom both sides of support, is provided with drive screw between two collateral branch faggings and rotates and have actuating mechanism, and actuating mechanism's hand wheel axle both ends are rotated and are supported between two collateral branch faggings, and the hand wheel is installed to the one end of hand wheel axle, and the screw rod passes through actuating mechanism and realizes the transmission. The driving mechanism can be realized in various modes, for example, the driving mechanism is realized by two bevel gears, a bevel gear I is sleeved on the hand wheel shaft, a bevel gear II is fixedly arranged at the bottom of the screw rod, the bevel gear I is meshed with the bevel gear II, and the screw rod is rotated by the two bevel gears; or the driving mechanism can be realized by a worm gear structure, the hand wheel shaft is provided with a worm structure which is matched with a worm wheel fixedly arranged at the bottom of the screw rod, and the worm drives the worm wheel to rotate so as to realize the rotation of the screw rod. The middle part of the base is sequentially and vertically fixedly provided with a verification frame I and a verification frame II, the verification frame I and the verification frame II are respectively provided with a temperature measuring cylinder I and a temperature measuring cylinder II through clamps, the clamps are clamped on the verification frame, the temperature measuring cylinder I and the temperature measuring cylinder II are made of glass materials, the reading of a precision thermometer is convenient to observe, the side walls of the temperature measuring cylinder I and the temperature measuring cylinder II are respectively provided with an upper interface and a lower interface, the top ends of the temperature measuring cylinder I and the temperature measuring cylinder II are respectively plugged with rubber plugs, the temperature measuring cylinder I and the temperature measuring cylinder II are respectively internally provided with the precision thermometer I and the precision thermometer II which penetrate through the rubber plugs, the division value is 0.1 ℃, and the lower ends of the two precision thermometers are lower than the lower interfaces of the respective temperature measuring cylinders; examine and decide frame I, examine and install glass volume ware I respectively through anchor clamps on the frame II, glass volume ware I, ooff valve I is installed respectively to the bottom of glass volume ware II, ooff valve I passes through hose III with the lower interface of temperature measuring section of thick bamboo I and is connected, ooff valve II passes through hose IV with the lower interface of temperature measuring section of thick bamboo II and is connected, the last interface of temperature measuring section of thick bamboo I, the last interface of temperature measuring section of thick bamboo II passes through hose I respectively, hose II is connected on the tee bend, and hose I, be equipped with stagnant water clamp I on the hose II respectively, stagnant water clamp II, the tee bend is through the apopore that water hose connection offered at the water storage bucket, it stretches out to go out the water hose from the rail gap. When the hand wheel is used, the hand wheel is rotated to drive the hand wheel shaft to rotate, the hand wheel shaft drives the screw rod to rotate through the driving mechanism, when the driving mechanism is realized by two bevel gears, the hand wheel shaft rotates to drive the bevel gear I sleeved on the hand wheel shaft, and the bevel gear I is meshed with the bevel gear II to drive the screw rod with the bottom fixedly provided with the gear II to rotate; when the driving mechanism is realized by a structure similar to a worm gear, the hand wheel shaft rotates the worm to synchronously rotate, and further drives the worm gear sleeved on the screw rod to rotate; the screw rod rotates through the bearing, so that the water storage barrel seat moves downwards along with the rotation of the screw rod, the limiting rod penetrates through the water storage barrel seat, and the water storage barrel seat slides down along the limiting rod along with the rotation of the screw rod; lowering a water storage barrel seat to a desktop, connecting one end of a water outlet hose with the water storage barrel, connecting the other end of the water outlet hose with a tee joint, connecting two outlets of the tee joint with a hose I and a hose II, clamping a water stop clamp I and a water stop clamp II on the hose I and the hose II, filling pure water (distilled water or deionized water) into the water storage barrel placed on a water storage barrel platform, covering an inner barrel cover without covering an outer sealing barrel cover, reversely rotating a hand wheel, and driving a driving mechanism to drive the water storage barrel seat to move upwards along a screw rod, wherein the difference between the water temperature and the room temperature is not more than 2 ℃; the water storage barrel rises to the upper end of the support and is fixed at a height of about 1 meter, the water storage barrel is filled, the water storage barrel has a certain height and is convenient to flow out, the whole process is not required to carry the heavy water storage barrel to the height, and the water storage barrel can be stably placed at the height. Adopting a measurement method to verify the operation steps: a, vertically and firmly mounting a cleaned glass measuring device I to be detected on a detection frame I, opening a switch valve I, opening a water stop clamp I, enabling water to flow into a temperature measuring cylinder I from a water outlet hose and a hose I in a water storage barrel, enabling the water level in the temperature measuring cylinder I to overflow a detection upper interface, enabling a precision thermometer I to measure the temperature of the water during detection, enabling the reading to be accurate to 0.1 ℃, enabling the water to flow into the glass measuring device I to be detected from a hose III, enabling the glass measuring device I to be detected to be filled with water to a position about 5mm above the highest marking, and closing the water stop clamp I and the switch valve I; b, taking down the connecting end of the hose III and the switch valve I, opening the switch valve I, slowly adjusting the lowest point of the meniscus to be tangent to the upper edge of a zero marking (or a detected nominal capacity line), discharging air in the liquid outlet at the same time, and removing the last drop of water at the liquid outlet; c, weighing a measuring cup with a cover and the capacity of which is larger than that of the glass measuring device I to be detected, and weighing the measuring cup to obtain the mass of an empty cup; d, completely opening the switch valve I to enable water to fully flow out of the liquid flow port; e, when the liquid level is lowered to a position about 5mm above the detected nominal capacity line (or zero standard line), waiting for 30s, then adjusting the lowest point of the meniscus to be tangent to the upper edge of the detected nominal capacity line (or zero standard line) within 10s (no waiting and liquid level adjustment are needed to be reserved during the verification of the pipette), and then using a weighing cup to remove the last drop of water at the liquid outlet; f, putting the pure water in the glass measuring device I to be detected into a measuring cup, and then weighing to obtain the quality of the pure water; and g, calculating according to the conventional glass measuring instrument verification procedure of JJG 196-2006, the JJG 20-2001 standard glass measuring instrument verification procedure and the JJG 10-2005 special glass measuring instrument verification procedure to obtain whether the verified glass measuring instrument I meets the standard. When single-opening glass measuring instruments such as single-marking volumetric flasks, measuring cylinders, measuring cups and the like are detected, a, weighing the detected glass measuring instrument I which is cleaned and dried, and weighing the mass of the empty glass measuring instrument I; b, opening a water stop clamp I, enabling water to flow into a temperature measuring cylinder I from a water outlet hose and a hose I in a water storage barrel, enabling the water level in the temperature measuring cylinder I to overflow an upper detection interface, enabling a precision thermometer I to detect the temperature of the water during detection at the moment, enabling the reading to be accurate to 0.1 ℃, enabling the water to flow into a detected glass measuring instrument I from a hose III, injecting water to a marked line of the detected glass measuring instrument I, and weighing and calculating to obtain the quality of pure water; and c, calculating according to the conventional glass measuring instrument verification procedure of JJG 196 and 2006, the JJG 20-2001 standard glass measuring instrument verification procedure and the JJG 10-2005 special glass measuring instrument verification procedure to obtain whether the verified glass measuring instrument I meets the standard. The same, examine and decide frame II and can carry out the examination work of another group of glass measuring apparatu simultaneously, the mutual noninterference of two work can effectual promotion work efficiency. Adopting a capacity comparison method to verify the operation steps: a, vertically and stably mounting a cleaned standard glass measuring device II and a glass measuring device I to be detected on a detection frame II, wherein a switch valve II below the standard glass measuring device II is higher than the scale of the highest marked line of the glass measuring device I to be detected, opening the switch valve II, opening a water stop clamp II, enabling water to flow into a temperature measuring cylinder II from a water storage barrel along a water outlet hose and the hose II, enabling the water level in the temperature measuring cylinder II to overflow a detection upper interface, measuring the temperature of the water during detection by using a precision thermometer II at the moment, accurately reading the temperature to 0.1 ℃, enabling the water to flow into the standard glass measuring device II from a hose IV, filling the standard glass measuring device II to a position which is about 5mm above the highest marked line, and closing the water stop clamp II and the switch valve II; b, taking down the connecting end of the hose IV and the switch valve II, opening the switch valve II, slowly adjusting the lowest point of the meniscus to be tangent to the upper edge of a zero marking (or a detected nominal capacity line), simultaneously discharging air in the liquid outlet, and removing the last drop of water at the liquid outlet; and c, filling the hose IV, taking down one end of the hose IV connected with the temperature measuring cylinder II, connecting the end of the hose IV to the lower end of the switch valve I, opening the switch valve I and the switch valve II, discharging water into the glass measuring device I to be verified, and observing the container indication value on the glass measuring device I to be verified.

When the glass measuring device with a single opening, such as a measuring cylinder, a measuring cup, a colorimetric tube and the like, is calibrated, a standard glass measuring device II which is cleaned is vertically and stably installed on a calibration frame II, a hose II is connected with an upper connector of a temperature measuring cylinder II in the same way, two ends of a hose IV are respectively connected with a lower connector of the temperature measuring cylinder II and a switch valve II, a water stop clamp II and the switch valve II are opened, so that water in the standard glass measuring device II is filled to the highest marked line, at the moment, a precision thermometer II can measure the temperature of the water during calibration, and the reading is accurate to 0.1 ℃; b, taking down one end of the hose IV connected with the lower joint of the temperature measuring cylinder II, adding a glass bent pipe, hanging the glass bent pipe at the mouth of the glass measuring device I to be detected, and enabling a switch valve II below the standard glass measuring device II to be higher than the glass bent pipe hung at the mouth of the glass measuring device I to be detected; and c, opening the switch valve I and the switch valve II, discharging water into the glass measuring device I to be verified, and observing the container indication value on the glass measuring device I to be verified. After all the verification work is finished, the instrument is arranged, the hand wheel is shaken to enable the water storage barrel seat to descend, and the outer side sealing cover of the water storage barrel is covered.

Compared with the prior art, the invention has the following beneficial effects: the utility model provides an integrated support of glass measuring vessel calibrating installation utilizes elevating system to highly control the water storage bucket, make the water storage bucket firmly fix on the platform simultaneously, multiunit calibrating installation's setting realizes under the heavy condition of task weight, two people carry out the verification operation in step, and mutual noninterference, effectively improve work efficiency, the device modern design, the integrated level is high, has the practicality, can be used to the weighing method, also can be used to the capacity comparison method, and need not to control the valve switch repeatedly in the capacity comparison method, and is easy and simple to handle, and has extensive adaptability.

Drawings

Fig. 1 shows a schematic perspective view of the present invention.

In the figure: 1-a base; 201-detecting frame I; 202-verification frame II; 3-a scaffold; 4-hand wheel; 5-a driving mechanism; 6-water storage barrel seat; 7-a water storage barrel; 801-temperature measuring cylinder I; 802-temperature measuring cylinder II; 901-glass measuring vessel I; 902-glass gauge ii; 1001-hose i; 1002-hose II; 1101-hose III; 1102-hose IV; 1201-precision thermometer i; 1202-precision thermometer II; 13-water outlet hose; 14-a tee joint; 15-hand wheel shaft; 1601-water stop clamp I; 1602-water stop clamp II; 17-a rubber plug; 1801-switch valve I; 1802-switching valve ii; 20-a top plate; 21-a limiting rod; 22-screw rod; 23-side support plate.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

An integrated holder for a glass measuring device calibrating device, as shown in fig. 1: the device comprises a base 1, wherein the base 1 is made of high-carbon steel, the quality of the device is enough to bear that a water storage barrel 7 is fully loaded and is stably placed on a water storage platform of a water storage barrel seat 6, the whole device is not overturned, if necessary, an edge retaining device which can be fixed on a test bed is stable, one end of the base 1 is vertically fixed with a support 3, the support 3 is made of 1.2m channel steel, a notch faces one side of the base 1, the top end of the support 3 is horizontally fixed with a top plate 20, two limiting rods 21 are vertically fixed between the top plate 20 and the base 1, a screw 22 is installed between the top plate 20 and the base 1 through two bearings, an interface through hole is arranged on the top plate 20, the outer ring of a bearing I is embedded into the through hole of the top plate 20, the inner ring is annularly fixed on the top of the screw 22, the outer ring of a bearing II is fixed on the base 1, the inner ring is fixed on the bottom of the screw 22, the screw 22 freely rotates, the water storage barrel seat 6 is sleeved on the screw 22, the limiting rods 21 pass through the water storage barrel seat 6, the water storage barrel seat 6 extends towards one side of the base 1, and moves up and down through rotation of the screw 22, and cannot rotate left and right under the limitation of the limiting rods 21 on two sides, the water storage barrel 7 is placed on a water storage platform of the water storage barrel seat 6, an upward protruding fence is arranged at the edge of the water storage platform to prevent the water storage barrel from sliding and falling, the water storage barrel is made of transparent materials, so that the residual water level in the barrel can be observed conveniently, a double-layer barrel cover is arranged at the top of the water storage barrel, a small hole is formed in the inner-layer barrel cover, the outer-layer barrel cover is a sealed barrel cover, so that water in the water storage barrel can be ensured to flow down smoothly by utilizing gravitational potential energy, the purity of the residual water in the barrel can be ensured to be free from impurity pollution, the accuracy of the water can be ensured, and a water outlet hole is formed in the lower end of the water storage barrel 7; a collateral branch fagging 23 is respectively installed to support 3's bottom both sides, two collateral branch fagging 23 identical and symmetrical arrangement, one side of collateral branch fagging 23 is fixed in the 3 two trough limits outsides of support, the base is fixed on base 1, be provided with drive screw 22 pivoted actuating mechanism 5 between two collateral branch faggings 23, actuating mechanism 5's casing is fixed on gag lever post 21, 15 both ends rotation supports between two collateral branch faggings 23 of actuating mechanism 5's hand wheel axle, hand wheel 4 is installed to hand wheel axle 15's one end, realize through actuating mechanism 5 that screw rod 22 rotates. The driving mechanism 5 can be realized in various ways, for example, the driving mechanism 5 is realized by two bevel gears, the bevel gear I is sleeved on the hand wheel shaft 15, the bevel gear II is fixedly arranged at the bottom of the screw rod 22, the bevel gear I is meshed with the bevel gear II, and the screw rod rotation is realized by the two bevel gears; the driving mechanism 5 is realized by a structure similar to a worm gear, a worm structure is arranged on the hand wheel shaft 15 and matched with a worm wheel fixedly arranged at the bottom of the screw rod 22, and the worm drives the worm wheel to rotate so as to realize the rotation of the screw rod 22. The middle part of a base 1 is sequentially and vertically fixedly provided with a verification frame I201 and a verification frame II 202, the verification frame I201 and the verification frame II 202 are respectively provided with a temperature measuring cylinder I801 and a temperature measuring cylinder II 802 through clamps, the clamps are clamped on the verification frame, the temperature measuring cylinder I801 and the temperature measuring cylinder II 802 are made of glass materials, the reading of a precision thermometer is convenient to observe, the side walls of the temperature measuring cylinder I801 and the temperature measuring cylinder II 802 are respectively provided with an upper interface and a lower interface, the top ends of the temperature measuring cylinder I801 and the temperature measuring cylinder II 802 are respectively plugged with a rubber plug 17, the temperature measuring cylinder I801 and the temperature measuring cylinder II 802 are respectively provided with a precision thermometer I1201 and a precision thermometer II 1202 penetrating through the rubber plug 17, the division value is 0.1 ℃, the lower ends of the two precision thermometers are lower than the lower interfaces of the respective temperature measuring cylinders, and do not contact with the wall of the temperature measuring cylinders; the checking frame I201 and the checking frame II 202 are respectively provided with a glass measuring device I901 and a glass measuring device II 902 through clamps, the bottom ends of the glass measuring device I901 and the glass measuring device II 902 are respectively provided with a switch valve I1801 and a switch valve II 1802 (when the burette is checked, the switch valve I1801 and the switch valve II 1802 are the switch valves of the burette to be checked), the switch valve I1801 is connected with the lower interface of the temperature measuring cylinder I801 through a hose III 1101, the switch valve II 1802 is connected with the lower interface of the temperature measuring cylinder II 802 through a hose IV 1102, the upper interface of the temperature measuring cylinder I801 and the upper interface of the temperature measuring cylinder II 802 are respectively connected with a tee joint 14 through a hose I1001 and a hose II 1002, and the hose I1001 and the hose II 1002 are respectively provided with a water stop clamp I1601 and a water stop clamp II 1602, the tee joint 14 is connected with a water outlet hole formed in the water storage bucket 7 through a water outlet hose 13, and the water outlet hose 13 extends out from a gap of the fence.

When the hand wheel is used, the hand wheel 4 is rotated, the hand wheel shaft 15 is driven to rotate by the hand wheel 4, the screw rod 22 is driven to rotate by the hand wheel shaft 15 through the driving mechanism 5, when the driving mechanism 5 is realized by two bevel gears, the bevel gear I sleeved on the hand wheel shaft 15 is driven to rotate by the hand wheel shaft 15, the bevel gear I is meshed with the bevel gear II, the screw rod 22 with the gear II fixedly arranged at the bottom is driven to rotate, and the screw rod rotation is realized through the two bevel gears; when the driving mechanism 5 is realized by a structure similar to a worm gear, the hand wheel shaft 15 rotates the worm to synchronously rotate, and further drives the worm gear sleeved on the screw rod 22 to rotate; the screw 22 rotates through a bearing, the bottom end of the screw 22 rotates in the bearing fixed on the base 1, the top end of the screw 22 rotates in the bearing fixed in the top plate 20, the driving mechanism 5 drives the water storage barrel seat 6 to move downwards along with the rotation of the screw 22, the limiting rod 21 penetrates through the water storage barrel seat 6, and the water storage barrel seat 6 slides downwards along with the rotation of the screw 22 along with the limiting rod 21; the water storage barrel seat 6 is lowered to the position of a desktop, one end of a water outlet hose 13 is connected with the water storage barrel 7, the other end of the water outlet hose is connected with a tee joint 14, two outlets of the tee joint 14 are connected with a hose I1001 and a hose II 1002, a clamping hose I1001 and a water stop clamp I1601 on the hose II 1002 and a water stop clamp II 1602 are clamped, the water storage barrel 7 placed on a water storage barrel platform is filled with pure distilled water or deionized water, the difference between the water temperature and the room temperature is not more than 2 ℃, an inner barrel cover is covered, the outer sealing barrel cover does not need to be covered, a hand wheel 4 is rotated reversely, and the driving mechanism 5 drives the water storage barrel seat 6 to move upwards along a screw 22; the water storage barrel seat 6 rises to the upper end of the support 3 and is fixed at a height of about 1 meter, the water storage barrel 7 is installed, the water storage barrel 7 has a certain height, the water storage barrel is convenient to flow out, the whole process does not need to carry the heavy water storage barrel 7 to the height, and the water storage barrel 7 can be stably placed at the height.

Adopting a measurement method to verify the operation steps: a, vertically and firmly mounting a cleaned glass measuring device I901 to be detected on a detection frame I201, opening a switch valve I1801, opening a water stop clamp I1601, enabling water to flow into a temperature measuring cylinder I801 from a water outlet hose 13 and a hose I1001 in a water storage bucket 7, enabling the water level in the temperature measuring cylinder I801 to overflow a detection upper interface, enabling a precision thermometer I1201 to measure the temperature of the water during detection, enabling the reading to be accurate to 0.1 ℃, enabling the water to flow into the glass measuring device I901 to be detected from a hose III 1101, enabling the glass measuring device I901 to be detected to be filled with water to a position about 5mm above the highest marking line, and closing the water stop clamp I1601 and the switch valve I1801; b, taking down the connecting end of the hose III 1101 and the switch valve I1801, opening the switch valve I1801, slowly adjusting the lowest point of the meniscus to be tangent to the upper edge of a zero marking (or a detected nominal capacity line), simultaneously discharging air in the liquid flow port, and removing the last drop of water at the liquid flow port; c, weighing a measuring cup with a cover and the capacity of which is larger than that of the glass measuring device I901 to be detected, and weighing the empty cup; d, completely opening the switch valve I1801 to enable water to fully flow out of the liquid flow port; e, when the liquid level is lowered to a position about 5mm above the detected nominal capacity line (or zero standard line), waiting for 30s, then adjusting the lowest point of the meniscus to the upper edge of the detected nominal capacity line (or zero standard line) in a tangent mode within 10s (no waiting and liquid level adjustment are needed to be reserved during the verification of the pipette), and then using a weighing cup to remove the last drop of water at the liquid outlet; f, putting the pure water in the glass measuring device I901 to be detected into a measuring cup, and then weighing to obtain the quality of the pure water; and g, calculating according to the conventional glass measuring instrument verification procedure of JJG 196 and 2006, the JJG 20-2001 standard glass measuring instrument verification procedure and the JJG 10-2005 special glass measuring instrument verification procedure to obtain whether the verified glass measuring instrument I901 meets the standard.

When single-opening glass measuring instruments such as single-marking volumetric flasks, measuring cylinders, measuring cups and the like are calibrated, a, weighing the cleaned and dried glass measuring instrument I901 to be calibrated, and weighing the mass of the empty glass measuring instrument I901; b, opening a water stop clamp I1601, enabling water to flow into a temperature measuring cylinder I801 from a water outlet hose 13 and a hose I1001 in a water storage bucket 7, enabling the water level in the temperature measuring cylinder I801 to overflow an upper measuring interface, enabling a precision thermometer I1201 to measure the temperature of water during detection, enabling the reading to be accurate to 0.1 ℃, enabling the water to flow into a glass gauge I901 to be detected from a hose III 1101, injecting water to a marked line of the glass gauge I901 to be detected, and weighing and calculating to obtain the quality of pure water; and c, calculating according to the conventional glass measuring instrument verification procedure of JJG 196 and 2006, the JJG 20-2001 standard glass measuring instrument verification procedure and the JJG 10-2005 special glass measuring instrument verification procedure to obtain whether the verified glass measuring instrument I901 meets the standard. Similarly, the second detection frame 202 can simultaneously carry out detection work on another group of glass measuring instruments, the work of the two groups of glass measuring instruments is not interfered with each other, and the work efficiency can be effectively improved.

Adopting a capacity comparison method to verify the operation steps: a, a cleaned standard glass measuring device II 902 and a glass measuring device I901 to be calibrated are vertically and stably installed on a calibration frame II 202 and a calibration frame I201 respectively, a switch valve II 1802 below the standard glass measuring device II 902 is higher than the highest marked scale of the glass measuring device I901 to be calibrated, a switch valve II 1802 is opened, a water stop clip II 1602 is opened, water flows into a temperature measuring cylinder II 802 from a water storage barrel 7 along a water outlet hose 13 and a hose II 1002, the water level in the temperature measuring cylinder II 802 overflows an upper measuring interface, at the moment, the temperature of the water during the calibration can be measured by a precision thermometer II 1202, the reading is accurate to 0.1 ℃, the water flows into the standard glass measuring device II 902 from an IV hose 1102, the water of the standard glass measuring device II 902 is filled to a position about 5mm above the highest marked scale, and the water stop clip II 1602 and the switch valve II are closed; b, taking down the connection end of the hose IV 1102 and the switch valve II 1802, opening the switch valve II 1802, slowly adjusting the lowest point of the meniscus to be tangent to the upper edge of a zero marking (or a detected nominal capacity line), simultaneously discharging air in the liquid flow port, and removing the last drop of water drops at the liquid flow port; and c, filling the hose IV 1102, taking down one end of the hose IV 1102 connected with the temperature measuring cylinder II 802, connecting the end to the lower end of the switch valve I1801, opening the switch valve I1801 and the switch valve II 1802, discharging water into the glass measuring device I901 to be calibrated, and observing the indication value of the container on the glass measuring device I901 to be calibrated. Or the switch valve II is changed into a three-way valve, one end of the three-way valve is connected with the temperature measuring cylinder I801 through a hose III 1101, and the other end of the three-way valve is connected with the lower end of the switch valve II 1802 through a hose IV 1102, and the principle is the same as the above.

When the glass measuring device with a single opening, such as a measuring cylinder, a measuring cup, a colorimetric tube and the like, is calibrated, a cleaned standard glass measuring device II 902 is vertically and stably installed on a calibration frame II 202, a hose II 1002 is connected with an upper interface of a temperature measuring cylinder II 802 in the same way, two ends of a hose IV 1102 are respectively connected with a lower interface of the temperature measuring cylinder II 802 and a switch valve II 1802, a water stop clamp II 1602 and the switch valve II 1802 are opened, so that water in the standard glass measuring device II 902 is filled to the highest marked line, at the moment, a precision thermometer II 1202 can measure the temperature of the water during calibration, and the reading is accurate to 0.1 ℃; b, taking down one end of the hose IV 1102 connected with the lower connector of the temperature measuring cylinder II 802, and additionally installing a glass bent pipe, wherein the glass bent pipe is hung at the mouth of the glass measuring device I901 to be detected, and a switch valve II 1802 below the standard glass measuring device II 902 is higher than the glass bent pipe hung at the mouth of the glass measuring device I901 to be detected; c, opening the switch valve I1801 and the switch valve II 1802, discharging water into the glass measuring device I901 to be verified, and observing the container indication value on the glass measuring device I901 to be verified. After all verification work is finished, the instrument is arranged, the hand wheel 4 is shaken to enable the water storage barrel seat 6 to descend, and the outer layer sealing barrel cover of the water storage barrel 7 is covered.

The scope of the invention is not limited to the above embodiments, and various modifications and changes may be made by those skilled in the art, and any modifications, improvements and equivalents made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (6)

1. The utility model provides an integrated support of glass measure calibrating installation which characterized in that: the water storage device comprises a base (1), wherein a support (3) is vertically fixed at one end of the base (1), a top plate (20) is horizontally fixed at the top end of the support (3), two limiting rods (21) are vertically fixed between the top plate (20) and the base (1), a screw (22) is installed between the top plate (20) and the base (1) through two bearings, a water storage barrel seat (6) is sleeved on the screw (22), the limiting rods (21) penetrate through the water storage barrel seat (6), a water storage barrel (7) is placed on a water storage platform of the water storage barrel seat (6), and a water outlet hole is formed in the lower end of the water storage barrel (7); two side supporting plates (23) are respectively installed on two sides of the bottom end of the support (3), a driving mechanism (5) for driving a screw rod (22) to rotate is arranged between the two side supporting plates (23), two ends of a hand wheel shaft (15) of the driving mechanism (5) are rotatably supported between the two side supporting plates (23), and a hand wheel (4) is installed at one end of the hand wheel shaft (15); the detection device is characterized in that a detection frame I (201) and a detection frame II (202) are sequentially and vertically and fixedly installed in the middle of the base (1), a temperature measuring cylinder I (801) and a temperature measuring cylinder II (802) are respectively installed on the detection frame I (201) and the detection frame II (202) through clamps, the side walls of the temperature measuring cylinder I (801) and the temperature measuring cylinder II (802) are respectively provided with an upper connector and a lower connector, the top ends of the temperature measuring cylinder I (801) and the temperature measuring cylinder II (802) are respectively plugged with a rubber plug (17), a precision thermometer I (1201) and a precision thermometer II (1202) penetrating through the rubber plug (17) are respectively arranged in the temperature measuring cylinder I (801) and the temperature measuring cylinder II (802), and the lower ends of the two precision thermometers are lower than the lower connectors of the respective temperature measuring cylinders; the automatic water-stop temperature-measuring device is characterized in that a glass measuring device I (901) and a glass measuring device II (902) are respectively mounted on the verification frame I (201) and the verification frame II (202) through clamps, a switch valve I (1801) and a switch valve II (1802) are respectively mounted at the bottom ends of the glass measuring device I (901) and the glass measuring device II (902), the switch valve I (1801) is connected with a lower interface of the temperature measuring cylinder I (801) through a hose III (1101), the switch valve II (1802) is connected with a lower interface of the temperature measuring cylinder II (802) through a hose IV (1102), an upper interface of the temperature measuring cylinder I (801) and an upper interface of the temperature measuring cylinder II (802) are connected with a water outlet formed in the water storage barrel (7) through hoses, and water stop clamps are arranged on the hoses.

2. The integrated holder for a glass measuring device calibrating apparatus according to claim 1, wherein: the driving mechanism (5) is realized by two bevel gears, the bevel gear I is sleeved on the hand wheel shaft (15), the bevel gear II is fixedly arranged at the bottom of the screw rod (22), and the bevel gear I is meshed with the bevel gear II.

3. The integrated bracket for calibrating a glass measuring vessel as defined in claim 1, wherein: the driving mechanism (5) is realized by a worm gear and worm structure, a worm gear is fixedly arranged at the bottom of the screw rod (22), and a worm structure matched with the worm gear is arranged on the hand wheel shaft (15).

4. The integrated holder for a glass measuring device calibrating apparatus according to claim 1, wherein: a water outlet hole of the water storage barrel (7) is connected with a tee joint (14) through a water outlet hose (13), two outlets of the tee joint (14) are respectively connected with a hose I (1001) and a hose II (1002), the hose I (1001) is connected with an upper connector of the temperature measuring cylinder I (801), and a water stopping clamp I (1601) is arranged; the hose II (1002) is connected to the upper connector of the temperature measuring cylinder II (802) and is provided with a water stop clamp II (1602).

5. The integrated holder for a glass measuring device calibrating apparatus according to claim 1, wherein: the clamp is clamped on the detection frame.

6. The integrated holder for a glass measuring device calibrating apparatus according to claim 1, wherein: the base (1) is made of high-carbon steel.

Images