CN218955906U

CN218955906U - Metering verification calibrating device

Info

Publication number: CN218955906U
Application number: CN202320680282.9U
Authority: CN
Inventors: 张利
Original assignee: Shandong Botai Measurement And Testing Co ltd
Current assignee: Shandong Botai Measurement And Testing Co ltd
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-05-02
Anticipated expiration: 2033-03-31

Abstract

The utility model discloses a metering verification calibrating device which comprises a base, wherein a measuring column is arranged on the upper surface of the base, a lifting rod is sleeved on the measuring column, a scale is arranged on the lifting rod, a measuring mechanism is connected between the lifting rod and the measuring column, a placing plate is arranged on an electronic scale, a sliding rail is arranged on the upper surface of the placing plate, and a fixing mechanism is arranged on the sliding rail. According to the metering verification calibration device, the articles are placed on the placing plate, the handle is pulled, the article is fixed by the adjusting fixing block, the articles are prevented from shaking, measurement errors caused by shaking of the articles during measurement are reduced, when the heavier articles are tested, the electronic scale is stressed due to the dead weight of the articles, the placing plate descends, the height measurement is inaccurate, the descending amount of the error pointer on the placing plate is checked through the matching of the error pointer on the placing plate and the error graduated scale, conversion is carried out, and the accuracy of the height measurement is improved.

Description

Metering verification calibrating device

Technical Field

The utility model relates to the technical field of metrological verification devices, in particular to a metrological verification calibration device.

Background

Metering inspection is of great importance in metering operations. The method is an important measure for unifying the disc values and ensuring the accuracy and consistency of the metering devices; is an important form for magnitude transfer or magnitude tracing; is an important condition for providing metering guarantee for national economy construction; is a means of national supervision for national metering. It is one of the most important practical applications of metrology and is also one of the most fundamental tasks of the metrology department.

The chinese patent application of application number CN201821496747.0 just discloses a metrological verification calibrating device, including electronic platform balance, be connected with a plurality of landing legs of weighing on the roof of electronic platform balance, and fixedly connected with weighing tray on the roof of a plurality of landing legs of weighing, fixedly connected with spirit level on weighing tray's the diapire, the mounting groove has all been seted up in the diapire four corners department of electronic platform balance, and the alignment base has been connected with in the mounting groove, the alignment base includes the supporting seat, the rectangle opening of intercommunication has been seted up on the lateral wall of supporting seat around, rotate on the diapire in the rectangle opening and be connected with vertical axis of rotation, and the upper end of axis of rotation runs through the supporting seat and is connected with the movable block, the fixed knob that has cup jointed in the axis of rotation outside in the rectangle opening. The utility model can rapidly judge whether the weighing tray is in a horizontal position during use, and can pertinently adjust the height of the support seat at the required position so as to meet the use requirement.

However, the existing metering calibration device still has some defects, can not clamp the measured object, can shake in the measuring process, influences the measuring result, and meanwhile, can not measure the height of the object, so that the practicability is poor.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides a metering verification calibration device, which aims to solve the problems that a measured object cannot be clamped, the object can shake in the measuring process to influence the measuring result, meanwhile, the height of the object cannot be measured, the practicability is poor and the like.

In order to achieve the aim of the utility model, the utility model adopts the following technical scheme: the utility model provides a metrological verification calibrating device, includes the base, the upper surface of base installs the measuring column, the cover is equipped with the lifter on the measuring column, the measuring beam is installed at the top of lifter, install the scale table on the lifter, be connected with measuring mechanism between lifter and the measuring column, the upper surface of base installs the electronic scale, install the board of placing on the electronic scale, the slide rail has been seted up to the upper surface of placing the board, install fixed establishment on the slide rail, the lower surface of base installs adjustment mechanism;

the measuring mechanism comprises a mounting plate arranged inside a measuring column, a lifting motor is arranged on the mounting plate, the output end of the lifting motor is connected with a threaded rod, the bottom end of the lifting rod is in threaded connection with the threaded rod, a sliding block is arranged at the bottom of the lifting rod, a sliding groove is formed in the measuring column, and the sliding block slides on the sliding groove.

Further, fixed establishment is including installing the fixed block on the slide rail, install the switch box on the fixed block, the cover is equipped with movable plug on the switch box, install the limiting plate that is located the switch box inside on the movable plug, be connected with the switch spring between limiting plate and the inner wall of switch box, the handle is installed to the other end of movable plug, protection pad is installed to one side of fixed block.

Further, a positioning hole is formed in the bottom of the sliding rail, and the movable plug is spliced with the positioning hole.

Further, the adjusting mechanism comprises a screw rod arranged on the lower surface of the base, a foot seat is connected with the bottom end of the screw rod in a threaded mode, and a handle is arranged on the foot seat.

Further, an error pointer is arranged on one side of the placement plate, and an error scale is arranged on one side of the measurement column close to the electronic scale.

The beneficial effects of the utility model are as follows:

according to the metering verification calibration device, an article is placed on the placement plate, the handle is pulled, the article is fixed by the adjusting fixing block, the article is prevented from shaking, the measurement error caused by shaking of the article during measurement is reduced, the lifting motor is started, the threaded rod is rotated to drive the sliding block at the bottom of the lifting rod to slide on the sliding groove, the measuring rod is driven to move up and down, the height of the article is measured, when the heavy article is tested, the electronic scale is stressed due to the dead weight of the article, the placement plate is lowered, the height measurement is inaccurate, the descending amount of the error pointer on the placement plate can be checked through the matching of the error pointer on the placement plate and the error scale, conversion is carried out, and the accuracy of the height measurement is improved.

Drawings

FIG. 1 is a schematic diagram of a metrological calibration device according to the present utility model;

FIG. 2 is an enlarged view of FIG. 1A of a metrological calibration device according to the present utility model.

Reference numeral control table:

1. a base; 2. a measuring column; 3. a lifting rod; 4. a measuring rod; 5. a scale; 6. a measuring mechanism; 601. a mounting plate; 602. a lifting motor; 603. a threaded rod; 604. a chute; 605. a slide block; 7. an electronic scale; 8. placing a plate; 801. an error pointer; 802. an error scale; 9. a slide rail; 901. positioning holes; 10. a fixing mechanism; 1001. a fixed block; 1002. a switch box; 1003. a movable plug; 1004. a limiting plate; 1005. a switch spring; 1006. a handle; 1007. a protective pad; 11. an adjusting mechanism; 1101. a screw rod; 1102. a foot stand; 1103. a handle.

Detailed Description

Specific embodiments of the present utility model will be further described below with reference to the accompanying drawings. Wherein like parts are designated by like reference numerals.

It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.

In order to make the contents of the present utility model more clearly understood, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model.

As shown in fig. 1 to 2, a metering calibration device comprises a base 1, wherein a measuring column 2 is arranged on the upper surface of the base 1, a lifting rod 3 is sleeved on the measuring column 2, a measuring rod 4 is arranged at the top of the lifting rod 3, a scale 5 is arranged on the lifting rod 3, a measuring mechanism 6 is connected between the lifting rod 3 and the measuring column 2, an electronic scale 7 is arranged on the upper surface of the base 1, a placing plate 8 is arranged on the electronic scale 7, a sliding rail 9 is arranged on the upper surface of the placing plate 8, a fixing mechanism 10 is arranged on the sliding rail 9, and an adjusting mechanism 11 is arranged on the lower surface of the base 1;

the measuring mechanism 6 comprises a mounting plate 601 arranged inside the measuring column 2, a lifting motor 602 is arranged on the mounting plate 601, the output end of the lifting motor 602 is connected with a threaded rod 603, the bottom end of the lifting rod 3 is in threaded connection with the threaded rod 603, a sliding block 605 is arranged at the bottom of the lifting rod 3, a sliding groove 604 is formed in the measuring column 2, and the sliding block 605 slides on the sliding groove 604.

Specifically, the lifting motor 602 is started, the threaded rod 603 rotates to drive the sliding block 605 at the bottom of the lifting rod 3 to slide on the sliding groove 604, and then the measuring rod 4 is driven to move up and down to measure the height of an object.

The fixing mechanism 10 comprises a fixing block 1001 arranged on a sliding rail 9, a switch box 1002 is arranged on the fixing block 1001, a movable plug 1003 is sleeved on the switch box 1002, a limiting plate 1004 positioned inside the switch box 1002 is arranged on the movable plug 1003, a switch spring 1005 is connected between the limiting plate 1004 and the inner wall of the switch box 1002, a handle 1006 is arranged at the other end of the movable plug 1003, and a protection pad 1007 is arranged on one side of the fixing block 1001.

The bottom of the sliding rail 9 is provided with a positioning hole 901, and the movable plug 1003 is spliced with the positioning hole 901.

Specifically, put into placing the board 8 and weigh, pulling handle 1006 makes movable plug 1003 income switch box 1002 inside, adjusts the distance between the fixed block 1001, after adjusting, unclamp movable plug 1003, and switch spring 1005 can promote limiting plate 1004 displacement, and then promotes movable plug 1003 to insert locating hole 901, fixes the article, prevents that the article from producing and rocks, reduces the measuring error that produces because of article rocks when measuring.

The adjusting mechanism 11 comprises a screw rod 1101 arranged on the lower surface of the base 1, a foot seat 1102 is connected with the bottom end of the screw rod 1101 in a threaded mode, and a handle 1103 is arranged on the foot seat 1102.

Specifically, the handle 1103 is turned to drive the foot stand 1102 to rotate, so as to adjust the distance between the foot stand 1102 and the ground, and further adjust the height of one supporting leg of the base 1, so that the base 1 can be in a horizontal state.

An error pointer 801 is mounted on one side of the placement plate 8, and an error scale 802 is mounted on one side of the measuring column 2 close to the electronic scale 7.

Specifically, when the heavier article of test, owing to the dead weight of article, can lead to the electronic scale to receive pressure for place board 8 decline, lead to the altitude mixture measurement inaccurate, can look over the error pointer 801 on placing board 8 and descend the volume through the cooperation of error scale 802 on placing board 8, convert again, improve the accuracy of altitude mixture measurement.

According to the use principle of the utility model, during weighing, an object is placed on the placing plate 8 for weighing, the handle 1006 is pulled, the movable plug 1003 is retracted into the switch box 1002, the distance between the fixed blocks 1001 is adjusted, after the distance is adjusted, the movable plug 1003 is loosened, the switch spring 1005 can push the limiting plate 1004 to displace, the movable plug 1003 is pushed to be inserted into the positioning hole 901 for fixing the object, the object is prevented from shaking, the measurement error caused by shaking of the object during measurement is reduced, the electronic scale is stressed due to the dead weight of the object when the height measurement is required, the placing plate 8 is lowered, the height measurement is inaccurate, the descending amount of the error pointer 801 on the placing plate 8 can be checked through the matching of the error pointer 801 and the error graduated scale 802, conversion is performed, and the accuracy of the height measurement is improved.

The above description is illustrative of the preferred embodiments of the present utility model and is not intended to limit the scope of the present utility model, but is to be accorded the full scope of the claims.

Claims

1. The utility model provides a metrological verification calibrating device, includes base (1), its characterized in that, the upper surface of base (1) installs measurement post (2), the cover is equipped with lifter (3) on measurement post (2), measuring stick (4) are installed at the top of lifter (3), install scale table (5) on lifter (3), be connected with measuring mechanism (6) between lifter (3) and measurement post (2), the upper surface of base (1) installs electronic scale (7), install on electronic scale (7) and place board (8), slide rail (9) have been seted up to the upper surface of placing board (8), install fixed establishment (10) on slide rail (9), the lower surface of base (1) installs adjustment mechanism (11);

the measuring mechanism (6) comprises a mounting plate (601) arranged inside the measuring column (2), a lifting motor (602) is arranged on the mounting plate (601), the output end of the lifting motor (602) is connected with a threaded rod (603), the bottom end of the lifting rod (3) is in threaded connection with the threaded rod (603), a sliding block (605) is arranged at the bottom of the lifting rod (3), a sliding groove (604) is formed in the measuring column (2), and the sliding block (605) slides on the sliding groove (604).

2. A metrological calibration device as claimed in claim 1, wherein: the fixing mechanism (10) comprises a fixing block (1001) arranged on a sliding rail (9), a switch box (1002) is arranged on the fixing block (1001), a movable plug (1003) is sleeved on the switch box (1002), a limiting plate (1004) positioned inside the switch box (1002) is arranged on the movable plug (1003), a switch spring (1005) is connected between the limiting plate (1004) and the inner wall of the switch box (1002), a handle (1006) is arranged at the other end of the movable plug (1003), and a protection pad (1007) is arranged on one side of the fixing block (1001).

3. A metrological calibration device as claimed in claim 2, wherein: the bottom of the sliding rail (9) is provided with a positioning hole (901), and the movable plug (1003) is spliced with the positioning hole (901).

4. A metrological calibration device as claimed in claim 1, wherein: the adjusting mechanism (11) comprises a screw rod (1101) arranged on the lower surface of the base (1), a foot seat (1102) is connected to the bottom end of the screw rod (1101) in a threaded mode, and a handle (1103) is arranged on the foot seat (1102).

5. A metrological calibration device as claimed in claim 1, wherein: an error pointer (801) is arranged on one side of the placing plate (8), and an error graduated scale (802) is arranged on one side of the measuring column (2) close to the electronic scale (7).