CN217520590U

CN217520590U - Measuring instrument calibrating device for laboratory

Info

Publication number: CN217520590U
Application number: CN202221696010.XU
Authority: CN
Inventors: 张严鑫; 高超; 冯荣祥; 瞿扬扬; 刘坊坊
Original assignee: Shandong Jinghui Measurement And Testing Co ltd
Current assignee: Shandong Jinghui Measurement And Testing Co ltd
Priority date: 2022-07-01
Filing date: 2022-07-01
Publication date: 2022-09-30
Anticipated expiration: 2032-07-01

Abstract

The utility model discloses a measuring apparatus calibrating installation is used in laboratory, the on-line screen storage device comprises a fixed base, unable adjustment base top fixedly connected with regulating box and driving motor, the adjustment tank has been seted up to the regulating box inside, the inside threaded rod that is connected with is rotated through the bearing of adjustment tank, threaded rod periphery threaded connection has the slider, slider top fixedly connected with frame, frame top fixedly connected with pneumatic cylinder, the inside movable rod bottom fixedly connected with clamp plate of pneumatic cylinder, unable adjustment base top fixedly connected with pressure sensor, pressure sensor top fixedly connected with extrusion platform, the unable adjustment base top is provided with spacing subassembly, the inside block of spacing subassembly is connected with electronic balance. This kind of laboratory is with measuring apparatus calibrating installation, convenient operation, the practicality is stronger.

Description

Measuring instrument calibrating device for laboratory

Technical Field

The utility model relates to a measuring apparatus examination technical field specifically is a measuring apparatus calibrating installation is used in laboratory.

Background

The measuring instrument is a device, an instrument and a meter which can be used for directly or indirectly measuring the value of a measured object and a standard substance for unifying the value, is widely applied to various aspects such as production, scientific research field and people's life, and is in a quite important position in the whole measuring legislation.

Need often use the measuring apparatus in the laboratory, especially electronic balance's frequency of use is more, this weighing function that leads to weighing scale easily deviates, so often need examine and determine weighing scale, traditional examination mode does, place a balanced weight on weighing scale, the actual weight through the weight contrasts with weighing scale's weighing result, but because the save of weight is improper or bump, cause the influence to the quality of weight easily, thereby cause the deviation to weighing scale's examination result, and traditional examination mode operation is complicated, the degree of automation is lower, it is inconvenient to use.

We have therefore developed this and propose a laboratory scale verification apparatus.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a measuring apparatus calibrating installation is used in laboratory, the on-line screen storage device comprises a fixed base, unable adjustment base top fixedly connected with regulating box and driving motor, the adjustment tank has been seted up to the regulating box inside, the inside threaded rod that is connected with is rotated through the bearing of adjustment tank, threaded rod periphery threaded connection has the slider, slider top fixedly connected with frame, frame top fixedly connected with pneumatic cylinder, the inside movable rod bottom fixedly connected with clamp plate of pneumatic cylinder, unable adjustment base top fixedly connected with pressure sensor, pressure sensor top fixedly connected with extrusion platform, the unable adjustment base top is provided with spacing subassembly, the inside block of spacing subassembly is connected with electronic balance.

As an optimal technical scheme of the utility model, the last output shaft of driving motor passes through the shaft coupling and is connected with the threaded rod transmission, just be provided with the scale mark on the regulating box.

As a preferred technical scheme of the utility model, the clamp plate includes upper plate and hypoplastron, equal fixedly connected with telescopic link between upper plate and the hypoplastron four corners.

As an optimal technical scheme of the utility model, four the inside first spring of equal fixedly connected with of telescopic link, the hypoplastron respectively with extrusion platform and electronic balance swing joint.

As a preferred technical scheme of the utility model, upper plate one side fixedly connected with infrared distance measuring head, the frame is close to upper plate one side equidistance and is connected with three dog, the inside fixedly connected with controller of unable adjustment base, pass through wire electric connection between infrared distance measuring head and the controller.

As a preferred technical scheme of the utility model, the controller passes through wire and pressure sensor and electronic balance electric connection, unable adjustment base top fixedly connected with warning light, the warning light passes through wire and controller electric connection.

As a preferred technical scheme of the utility model, spacing subassembly includes two fixed plates, unable adjustment base keeps away from four spacing posts of the inboard fixedly connected with of fixed plate of pressure sensor one side, four fixedly connected with fly leaf, and four between the spacing post the inside equal fixedly connected with second spring of spacing post.

The utility model has the advantages that:

1. according to the calibrating device for the measuring instrument for the laboratory, the driving motor is convenient to drive the threaded rod to rotate and further drive the sliding block and the rack to move, the pressure sensors and the electronic balance at different positions can apply the same acting force conveniently, whether the electronic balance has errors or not can be detected conveniently, the automation degree is high, and the operation is convenient;

2. according to the calibrating device for the measuring instrument for the laboratory, the upper plate and the lower plate can be limited and connected through the arranged telescopic rod, so that the pressing plate can apply acting force on the extrusion table or the electronic balance conveniently, the first spring can reduce part of impact force, protect the extrusion table and the electronic balance, and prevent the extrusion table and the electronic balance from being damaged by the pressing plate during extrusion to influence detection;

3. according to the calibrating device for the measuring instrument for the laboratory, through the arrangement of the infrared distance measuring head and the stop block, when infrared rays emitted by the infrared distance measuring head touch the stop block, namely the pressing plate stops moving to test acting force on the extrusion table at the moment, after three times of measurement are carried out through the three stop blocks, the rack is moved again, the electronic balance is pressed down at the same three positions, and whether the electronic balance has errors can be judged by judging whether the forces measured by the pressure sensor and the electronic balance are the same;

4. this kind of measuring apparatus calibrating installation is used in laboratory through the spacing subassembly that sets up, draws and gets the fly leaf and place electronic balance between two fixed plates, loosens the fly leaf and can fix electronic balance, avoids rocking the influence detection when examining and examines, simple structure, and convenient operation is convenient for fix electronic balance.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is an overall structure diagram of a measuring device calibrating apparatus for a laboratory;

FIG. 2 is a diagram of a spacing assembly of a laboratory measuring device calibrating apparatus according to the present invention;

FIG. 3 is an enlarged view of the apparatus for calibrating a measuring device for a laboratory according to the present invention, shown in FIG. 1A;

fig. 4 is an enlarged view of B in fig. 1 of the measuring device calibrating apparatus for laboratory use of the present invention.

In the figure: 1. a fixed base; 2. an adjustment box; 3. a drive motor; 4. a threaded rod; 5. a slider; 6. a frame; 7. a hydraulic cylinder; 8. pressing a plate; 801. an upper plate; 802. a lower plate; 803. a telescopic rod; 804. a first spring; 9. a pressure sensor; 10. an extrusion table; 11. a limiting component; 1101. a fixing plate; 1102. a limiting column; 1103. a movable plate; 1104. a second spring; 12. an electronic balance; 13. an infrared distance measuring head; 14. a stopper; 15. a controller; 16. an alarm light.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1-4, the utility model relates to a measuring apparatus calibrating installation is used in laboratory, including

unable adjustment base

1, 1 top fixedly connected with regulating box 2 and driving motor 3 of unable adjustment base, the regulating box has 2 inside adjustment tanks of having seted up, the inside threaded rod 4 that is connected with of bearing rotation of adjustment tank, 4 periphery threaded connection of threaded rod have

slider

5, 5 top fixedly connected with frames 6 of slider, 6 top fixedly connected with pneumatic cylinders 7 of frame, 7 inside movable rod bottom fixedly connected with clamp plates 8 of pneumatic cylinder, 1 top fixedly connected with pressure sensor 9 of unable adjustment base, 9 top fixedly connected with extrusion bench 10 of pressure sensor, 1 top of unable adjustment base is provided with spacing subassembly 11, the inside block of spacing subassembly 11 is connected slottedly.

Wherein, the output shaft on the driving motor 3 passes through the shaft coupling and is connected with 4 transmissions of threaded rod, and is provided with the scale mark on the regulating box 2, and through the driving motor 3 who sets up, driving motor 3 is convenient for drive threaded rod 4 and rotates, and then drives slider 5 and frame 6 and remove, makes things convenient for pressure sensor 9 and the electronic balance 12 of different positions to apply the same effort, is convenient for detect electronic balance 12 whether have the error.

The pressing plate 8 comprises an upper plate 801 and a lower plate 802, telescopic rods 803 are fixedly connected between four corners of the upper plate 801 and the lower plate 802, and the arranged telescopic rods 803 can limit and connect the upper plate 801 and the lower plate 802, so that the pressing plate 8 can exert acting force on the extrusion table 10 or the electronic balance 12.

Wherein, the inside first spring 804 of equal fixedly connected with of four telescopic links 803, hypoplastron 802 respectively with extrusion platform 10 and electronic balance 12 swing joint, through the first spring 804 that sets up, can slow down some impact force, protect extrusion platform 10 and electronic balance 12, avoid clamp plate 8 to damage extrusion platform 10 and electronic balance 12 when the extrusion, influence detection.

Wherein, upper plate 801 one side fixedly connected with infrared distance measurement head 13, frame 6 is close to upper plate 801 one side equidistance and is connected with three dog 14, the inside fixedly connected with controller 15 of unable adjustment base 1, pass through wire electric connection between infrared distance measurement head 13 and the controller 15, through infrared distance measurement head 13 and the dog 14 that sets up, when infrared ray that infrared distance measurement head 13 sent touches dog 14, clamp plate 8 stop movement can test this moment to the effort of extrusion platform 10 promptly, after measuring the cubic through three dog 14, remove frame 6 again, same three position pushes down electronic balance 12, see whether the power that pressure sensor 9 and electronic balance 12 measured is the same can judge electronic balance 12 has the error.

Wherein, controller 15 passes through wire and pressure sensor 9 and electronic balance 12 electric connection, and unable adjustment base 1 top fixedly connected with warning light 16, warning light 16 passes through wire and 15 electric connection of controller, through the warning light 16 that sets up, can send out the warning when detecting electronic balance 12 that has the error.

Wherein, spacing subassembly 11 includes two fixed plates 1101, unable adjustment base 1 keeps away from four spacing posts 1102 of the inboard fixedly connected with of fixed plate 1101 of pressure sensor 9 one side, fixedly connected with fly leaf 1103 between four spacing posts 1102, and the inside equal fixedly connected with second spring 1104 of four spacing posts 1102, through the spacing subassembly 11 that sets up, draw fly leaf 1103 and place electronic balance 12 between two fixed plates 1101, loosen fly leaf 1103 and can fix electronic balance 12, avoid rocking the influence when examining and determine, moreover, the steam generator is simple in structure, and convenient for operation, be convenient for fix electronic balance 12.

The working principle is as follows: the measuring apparatus calibrating device for the laboratory is used, firstly, the threaded rod 4 is controlled to rotate through the driving motor 3 to enable the sliding block 5 to move, then the rack 6 is enabled to move to the position corresponding to the extrusion table 10, the hydraulic cylinder 7 drives the pressing plate 8 to press downwards after the completion, through the infrared distance measuring head 13 and the stop block 14, when infrared rays emitted by the infrared distance measuring head 13 touch the stop block 14, namely the pressing plate 8 stops moving to test the acting force on the extrusion table 10 at the moment, after three times of measurement are carried out through the three stop blocks 14, the rack 6 is moved again, the same three positions press the electronic balance 12, whether errors exist in the electronic balance 12 can be judged by judging whether the forces measured by the pressure sensor 9 and the electronic balance 12 are the same, meanwhile, the first spring 804 is arranged to reduce partial impact force, the extrusion table 10 and the electronic balance 12 are protected, and the extrusion table 10 and the electronic balance 12 are prevented from being damaged by the pressing plate 8 during extrusion, influence detects, and the spacing subassembly 11 of setting is pulled and is got fly leaf 1103 and place electronic balance 12 between two fixed plates 1101, loosens fly leaf 1103 and can fix electronic balance 12, avoids rocking the influence when the examination and detects, simple structure, and convenient operation is convenient for fix electronic balance 12.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The laboratory measuring instrument calibrating device comprises a fixed base (1) and is characterized in that the top end of the fixed base (1) is fixedly connected with an adjusting box (2) and a driving motor (3), an adjusting groove is formed in the adjusting box (2), a threaded rod (4) is rotatably connected in the adjusting groove through a bearing, a sliding block (5) is in threaded connection with the periphery of the threaded rod (4), a rack (6) is fixedly connected to the top end of the sliding block (5), a hydraulic cylinder (7) is fixedly connected to the top of the rack (6), a pressing plate (8) is fixedly connected to the bottom end of a movable rod in the hydraulic cylinder (7), a pressure sensor (9) is fixedly connected to the top end of the fixed base (1), an extrusion table (10) is fixedly connected to the top end of the pressure sensor (9), and a limiting component (11) is arranged at the top end of the fixed base (1), the limiting assembly (11) is internally connected with an electronic balance (12) in a clamping mode.

2. The laboratory measuring device calibration device according to claim 1, wherein an output shaft of the driving motor (3) is in transmission connection with a threaded rod (4) through a coupler, and the adjusting box (2) is provided with scale marks.

3. The laboratory measuring device calibration device as claimed in claim 1, wherein the pressure plate (8) comprises an upper plate (801) and a lower plate (802), and telescopic rods (803) are fixedly connected between four corners of the upper plate (801) and the lower plate (802).

4. The laboratory measuring instrument calibrating device according to claim 3, wherein a first spring (804) is fixedly connected to the inside of each of the four telescopic rods (803), and the lower plate (802) is movably connected to the extrusion table (10) and the electronic balance (12) respectively.

5. The laboratory measuring instrument calibrating device according to claim 3, wherein an infrared distance measuring head (13) is fixedly connected to one side of the upper plate (801), three stoppers (14) are equidistantly connected to one side of the rack (6) close to the upper plate (801), a controller (15) is fixedly connected to the inside of the fixing base (1), and the infrared distance measuring head (13) is electrically connected with the controller (15) through a conducting wire.

6. The laboratory measuring device calibrating apparatus according to claim 5, wherein the controller (15) is electrically connected with the pressure sensor (9) and the electronic balance (12) through wires, the top end of the fixing base (1) is fixedly connected with the alarm lamp (16), and the alarm lamp (16) is electrically connected with the controller (15) through wires.

7. The laboratory measuring apparatus calibration device according to claim 1, wherein the limiting assembly (11) comprises two fixing plates (1101), four limiting columns (1102) are fixedly connected to the inner sides of the fixing plates (1101) on the side, away from the pressure sensor (9), of the fixing base (1), a movable plate (1103) is fixedly connected between the four limiting columns (1102), and a second spring (1104) is fixedly connected to the insides of all the four limiting columns (1102).