阅读说明：本技术 一种计量检定校准装置 (Metrological verification calibrating device ) 是由 甄中锋 甄理 李峰 于 2021-09-14 设计创作，主要内容包括：本发明公开了一种计量检定校准装置,涉及计量检测技术领域,包括放置装置,所述放置装置上端固定连接有调平装置,所述调平装置上端固定连接有支撑装置。本发明通过设置水平仪判定支撑装置是否水平,在支撑装置包括的支撑板出现偏移时,即可通过三个相应的转动盘带动三个相应的螺纹杆转动,三个相应的螺纹杆转动将带动相应的三个调节块配合六个两两一组的辅助块、六个两两一组的辅助槽以及三个调节槽移动位置,从而解决了现今大多数的计量检定校准装置均不具备相应的调平装置,进而不能够方便相应的工作人员根据具体情况将装置调平,进而给计量检定校准装置的准确计量检定校准带来了一定的误差性的问题。(The invention discloses a metrological verification calibrating device, which relates to the technical field of metrological detection and comprises a placing device, wherein the upper end of the placing device is fixedly connected with a leveling device, and the upper end of the leveling device is fixedly connected with a supporting device. According to the invention, whether the supporting device is horizontal or not is judged by arranging the level gauge, when the supporting plate of the supporting device deviates, three corresponding threaded rods can be driven to rotate through three corresponding rotating discs, and the three corresponding threaded rods rotate to drive corresponding three adjusting blocks to be matched with six pairwise auxiliary blocks, six pairwise auxiliary grooves and three adjusting grooves to move, so that the problems that most of the conventional metrological calibration devices do not have corresponding leveling devices, and further corresponding workers cannot conveniently level the device according to specific conditions, and further certain error is brought to accurate metrological calibration of the metrological calibration device are solved.)

1. A metrological verification calibration device comprising a placement device (1), characterized in that: the device is characterized in that the upper end of the placing device (1) is fixedly connected with a leveling device (2), the upper end of the leveling device (2) is fixedly connected with a supporting device (3), the right end of the upper side of the supporting device (3) is provided with a weight metering device (5), the left end of the upper side of the supporting device (3) is provided with a length metering device (4), the right end of the upper side of the supporting device (3) is fixedly connected with a level meter (6), the placing device (1) comprises a placing disc (11), an antiskid plate (14) is fixedly connected to the lower side of the placing disc (11), a circular groove (13) is formed in the placing disc (11), a friction layer (15) is fixedly connected to the inner wall of the circular groove (13), the friction layer (15) is movably connected with a circular ring (12), the leveling device (2) is fixedly connected to the upper side of the circular ring (12), the circular ring (12) and the circular groove (13) are both arranged in a T shape.

2. A metrological calibration device as claimed in claim 1, in which: leveling device (2) are including leveling dish (21), three adjustment tank (22), three have evenly been seted up on leveling dish (21) auxiliary tank (23), six two liang a set of all seted up on adjustment tank (22) looks remote site inner wall equal swing joint has supplementary piece (25), six two liang a set of in supplementary tank (23) respectively swing joint on three regulating block (27) side, three the equal swing joint of regulating block (27) has threaded rod (26), leveling dish (21) downside fixedly connected with circular circle (12) upper end.

3. A metrological verification calibration device as claimed in claim 2, in which: it is three optical axis department that threaded rod (26) is close to leveling dish (21) center department one end is swing joint respectively on a side that three adjustment tank (22) are close to leveling dish (21) center department, it is three the equal fixedly connected with rolling disc (24) of one end that leveling dish (21) center department was kept away from in threaded rod (26) is three equal fixedly connected with articulates seat (28), three on regulating block (27) the side articulated seat (28) all have through articulated post (29) swing joint to adjust pole (210), it is three adjust the equal swing joint of pole (210) other end on connecting ring (217), connecting ring (217) are in the recess of seting up support column (212) lower extreme through three fixing base (216) fixed connection, support column (212) upper end fixedly connected with strutting arrangement (3).

4. A metrological calibration device as claimed in claim 3, in which: it is three fixing base (216) and three regulation pole (210) set up in turn, and are three the upper end strong point of adjusting pole (210) evenly sets up a plane of determinability, standing groove (213) have been seted up to support column (212) upper end, open and shut groove (218) have been seted up on standing groove (213) preceding lateral wall, be provided with the back shaft in open and shut groove (218), and back shaft swing joint has open and shut plate (214) one end, open and shut plate (214) swing joint is in open and shut groove (218), open and shut plate (214) leading flank right-hand member fixedly connected with pulling is (215), support column (212) lateral surface is kept away and is opened and shut groove (218) even fixedly connected with three taking and move handle (211).

5. A metrological calibration device as claimed in claim 1, in which: strutting arrangement (3) are including backup pad (31), weight groove (32) have been seted up on backup pad (31) upper end right side, fixedly connected with weight metering device (5) in weight groove (32), weight metering device (5) right-hand member is provided with spirit level (6), spirit level (6) fixed connection is at the side right-hand member on backup pad (31), backup pad (31) is gone up side left end fixedly connected with length metering device (4), fixedly connected with support column (212) is located at backup pad (31) downside center.

6. A metrological calibration device as claimed in claim 1, in which: length metering device (4) are including locating plate (41), equal fixedly connected with limiting plate (42), two on the side around locating plate (41) equal fixed connection of limiting plate (42) is to the side on backup pad (31), two sliding groove (44), two have all been seted up on limiting plate (42) opposite face equal fixedly connected with scale plate (43) on the side on limiting plate (42), be provided with digital scale on scale plate (43), two equal swing joint has sliding block (45), two in sliding groove (44) respectively fixedly connected with movable plate (49) both ends around on sliding block (45) opposite face.

7. The metrological verification calibration device of claim 6, wherein: moving plate (49) lower extreme is provided with a plurality of reinforcing plates (411), moving plate (49) left surface sets up for the level, fixedly connected with supports (410) on moving plate (49) the side of going up, movable groove (413) have been seted up on backup pad (31) upper end inner wall, swing joint has two dysmorphism boards (412) in movable groove (413), dysmorphism board (412) lower extreme back end equal fixedly connected with links post (48), the corresponding scale plate (43) department in both ends all is provided with pointer piece (46) around the side on moving plate (49).

8. The metrological verification calibration device of claim 7, wherein: two even post (48) back of the body end passes the equal fixedly connected with friction plate (47) of wall of support (410) front and back both sides respectively, two keep away from each other end difference swing joint on two limiting plates (42) opposite faces friction plate (47), two both ends around dysmorphism board (412) upper end swing joint has twin screw (414) respectively, the screw thread opposite direction at both ends around twin screw (414), twin screw (414) center department fixedly connected with of optical axis dials driving disk (415).

Technical Field

The invention relates to a metrological verification device, in particular to a metrological verification calibration device.

Background

The metrological verification is an important position in the metrological work, is an important measure for unifying the disk value and ensuring the accuracy and consistency of the metrological instruments, is an important form for carrying out magnitude transmission or magnitude tracing, is an important condition for providing metrological guarantee for national economic construction, is a means for carrying out national supervision on national metrological measurement, is the most important practical application of metrological science, is also a most basic task of a metrological department, is verification for metrological verification, is a procedure for finding and confirming whether the metrological instruments meet legal requirements or not, comprises the steps of checking and marking and verifying to issue certificates, is all the work for evaluating the metrological performance of the metrological instruments and determining whether the metrological instruments are qualified or not, comprises the steps of checking, sealing, stamping and the like, is an important form for carrying out magnitude transmission and is an important measure for ensuring the accuracy and consistency of the magnitudes, and is an important measure for short for the national metrological reference instruments, the calibration result can be used for evaluating the indication error of the measuring instrument, the measuring system or the material measuring instrument or assigning a value to a mark on any scale.

There are some drawbacks and deficiencies in the current metrological calibration device when in use, and the specific needs for improvement are as follows:

1. most of the prior metrological verification calibration devices do not have corresponding leveling devices, so that corresponding workers cannot conveniently level the devices according to specific conditions, certain error is brought to accurate metrological verification calibration of the metrological verification calibration devices, and certain inconvenience is brought to corresponding users for metrological calibration;

2. most metrological verification calibrating devices do not all possess corresponding rotation regulatory function nowadays, and then can not assist corresponding user of service as required adjusting device to show the position in position, and then the convenient placing of use corresponding device of giving corresponding user of service has brought certain trouble.

Disclosure of Invention

The invention aims to provide a metrological verification calibration device, which solves the problems that most of the prior metrological verification calibration devices provided in the background technology do not have corresponding leveling devices, so that corresponding workers cannot conveniently level the device according to specific conditions, certain error is brought to accurate metrological verification calibration of the metrological verification calibration device, and certain inconvenience is brought to corresponding users for metrological calibration.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a metrological verification calibrating device, includes the placer, placer upper end fixedly connected with levelling device, levelling device upper end fixedly connected with strutting arrangement, the side right-hand member is provided with weight metering device on the strutting arrangement, the side left end is provided with length metering device on the strutting arrangement, the side right end fixedly connected with spirit level on the strutting arrangement, the placer is including placing the dish, place fixedly connected with antiskid ribbed tile on the dish downside, place and set up the circular recess, fixedly connected with frictional layer on the circular recess inner wall, frictional layer swing joint has circular circle, circular circle circles fixedly connected with levelling device on the side, circular circle and circular recess are the T setting that appears.

As a preferred technical scheme, the leveling device comprises a leveling disc, three adjusting grooves are uniformly formed in the leveling disc, auxiliary grooves are formed in the inner walls of opposite ends of the three adjusting grooves, auxiliary blocks are movably connected in six pairwise auxiliary grooves, the six pairwise auxiliary blocks are movably connected to the side faces of the three adjusting blocks, the three adjusting blocks are movably connected with threaded rods, and the lower side face of the leveling disc is fixedly connected with the upper end of a circular ring.

According to a preferred technical scheme, the optical axes of the three threaded rods close to the center of the leveling disc are movably connected to one side face of the three adjusting grooves close to the center of the leveling disc, the ends of the three threaded rods far away from the center of the leveling disc are fixedly connected with the rotating disc, the upper side faces of the three adjusting blocks are fixedly connected with hinge seats, the three hinge seats are movably connected with adjusting rods through hinge columns, the other ends of the three adjusting rods are movably connected to a connecting ring, the connecting ring is fixedly connected to a groove formed in the lower end of a supporting column through three fixing seats, and the upper end of the supporting column is fixedly connected with a supporting device.

As a preferred technical scheme of the invention, the three fixing seats and the three adjusting rods are alternately arranged, supporting points at the upper ends of the three adjusting rods are uniformly provided with a determinable plane, the upper end of the supporting column is provided with a placing groove, the front side wall of the placing groove is provided with an opening and closing groove, a supporting shaft is arranged in the opening and closing groove and is movably connected with one end of the opening and closing plate, the opening and closing plate is movably connected in the opening and closing groove, the right end of the front side surface of the opening and closing plate is fixedly connected with a pulling handle, and the outer side surface of the supporting column is uniformly and fixedly connected with three holding handles avoiding the opening and closing groove.

According to a preferable technical scheme, the supporting device comprises a supporting plate, a weight groove is formed in the right side of the upper end of the supporting plate, a weight metering device is fixedly connected into the weight groove, a level meter is arranged at the right end of the weight metering device, the level meter is fixedly connected to the right end of the upper side face of the supporting plate, a length metering device is fixedly connected to the left end of the upper side face of the supporting plate, and a supporting column is fixedly connected to the center of the lower side face of the supporting plate.

According to a preferred technical scheme, the length metering device comprises positioning plates, the front side and the rear side of each positioning plate are fixedly connected with limiting plates, the two limiting plates are fixedly connected to the upper side of a supporting plate, sliding grooves are formed in opposite surfaces of the two limiting plates, scale plates are fixedly connected to the upper sides of the two limiting plates, digital scales are arranged on the scale plates, sliding blocks are movably connected to the two sliding grooves, and the front end and the rear end of a movable plate are fixedly connected to the opposite surfaces of the two sliding blocks respectively.

As a preferred technical scheme of the present invention, the lower end of the moving plate is provided with a plurality of reinforcing plates, the left side surface of the moving plate is horizontally arranged, the upper side surface of the moving plate is fixedly connected with a support handle, the inner wall of the upper end of the support plate is provided with a movable groove, the movable groove is movably connected with two special-shaped plates, the back ends of the lower ends of the special-shaped plates are fixedly connected with connecting columns, and the front and rear ends of the upper side surface of the moving plate are provided with pointer blocks corresponding to the scale plates.

As a preferred technical scheme, the back ends of the two connecting columns respectively penetrate through the front side wall and the rear side wall of the supporting handle and are fixedly connected with friction plates, the ends, far away from each other, of the two friction plates are respectively and movably connected to the opposite surfaces of the two limiting plates, the upper ends of the two special-shaped plates are respectively and movably connected with the front end and the rear end of a double screw, the thread directions of the front end and the rear end of the double screw are opposite, and a poking disc is fixedly connected to the optical axis of the center of the double screw.

Compared with the prior art, the invention has the beneficial effects that:

1. the invention judges whether the supporting device is horizontal by arranging the level gauge, when the supporting plate of the supporting device deviates, three corresponding threaded rods can be driven to rotate by three corresponding rotating discs, the three corresponding threaded rods rotate to drive corresponding three adjusting blocks to be matched with six pairwise auxiliary blocks, six pairwise auxiliary grooves and three adjusting grooves to move positions, then three corresponding adjusting rods can be driven to move different positions by three corresponding hinging seats and three corresponding hinging columns, the three adjusting rods move different positions to improve three points of the connecting ring to different positions, further the supporting columns can be driven to deviate and level by three corresponding fixing seats, then the purpose of adjusting the three-point leveling supporting plate can be achieved, and meanwhile, corresponding users can drive the opening plate to be pulled out of the opening and closing groove by pulling the handle, and then can make things convenient for corresponding user of service personnel will need the article that the cooperation was used to place the standing groove in, and then make things convenient for corresponding user of service personnel to place the auxiliary device of metrological verification in-process, thereby solved present most metrological verification calibrating device and all not possessed corresponding levelling device, and then can not make things convenient for corresponding staff to install the leveling according to particular case, and then brought certain error nature for metrological verification calibrating device's accurate metrological verification calibration, and then brought certain inconvenient problem for corresponding user of service personnel metrological calibration.

2. The invention places the placing disc on a proper position by arranging the antiskid plate, then the leveling device can be rotated by utilizing the circular ring and the circular groove according to the requirement, and further the supporting device is driven to rotate by an angle, and finally the purpose of rotating the length metering device and the weight metering device is achieved, so that the device can be placed at the proper position, and corresponding users can conveniently adjust the corresponding angle, and further the corresponding users can conveniently use the device, and the position of the circular ring is relatively fixed through the friction layer after the angle of the weight metering device and the angle of the length metering device are properly adjusted, so that the relative positions of the leveling device, the supporting device, the length metering device and the weight metering device are fixed, the use convenience of the device is improved, and the problem that most of the prior metering and calibrating devices do not have corresponding rotation adjusting functions is solved, and then can not assist corresponding user of service as required adjusting device display position, and then for corresponding user of service's convenient place use corresponding device bring certain troublesome problem.

3. The invention carries out weight measurement verification on corresponding articles by setting weight measurement, then a length measuring device to be measured is placed on the right side surface of a nail positioning plate, then a dial plate can be rotated to rotate forward to drive a double screw to rotate forward, the double screw rotates forward to drive two special-shaped plates to be matched with corresponding movable grooves to be close to each other, further two corresponding connecting columns are driven to be matched with corresponding supporting handles to be close to each other, the two connecting columns are close to each other to drive two friction plates to be close to each other and to be away from the mutual close surfaces of two limiting plates, then the moving plate can be pulled to move towards the right end surface of the article to be measured by the supporting handles, the levelness of the moving plate is ensured by a plurality of reinforcing plates when the moving plate moves, meanwhile, the moving plate also ensures the self relative position by matching two corresponding sliding blocks with two corresponding sliding grooves, and the dial plate can rotate reversely after the left side surface of the moving plate is completely contacted with the right side surface of the article to be measured, and then can make two friction plates contact with two limiting plates opposite face respectively, and then can be with the relative position of movable plate fixed, then corresponding user can be through two corresponding pointer pieces two corresponding scale plates of cooperation completion length measurement examination, and then made things convenient for corresponding user to carry out length measurement data record.

Drawings

FIG. 1 is a schematic front view of an axial side structure of the present invention;

FIG. 2 is a schematic bottom view of the present invention;

FIG. 3 is a schematic side view of the cross-section A-A of the present invention;

FIG. 4 is a schematic side view of the metering device of the present invention;

FIG. 5 is a schematic cross-sectional side view of structure B-B of the present invention;

FIG. 6 is a schematic view of the front side structure of the leveling device of the present invention;

FIG. 7 is a schematic view of the structure of the leveling device of the present invention on the bottom side;

FIG. 8 is a schematic side view of the placement device of the present invention;

FIG. 9 is a schematic axial view of the cross-section C-C of the present invention.

In the figure: the device comprises a placing device 1, a placing disc 11, a circular ring 12, a circular groove 13, a antiskid plate 14, a friction layer 15, a leveling device 2, a leveling disc 21, an adjusting groove 22, an auxiliary groove 23, a rotating disc 24, an auxiliary block 25, a threaded rod 26, an adjusting block 27, a hinge seat 28, a hinge column 29, an adjusting rod 210, a holding handle 211, a support column 212, a holding groove 213, an opening and closing plate 214, a pulling handle 215, a fixed seat 216, a connecting ring 217, an opening and closing groove 218, a support device 3, a support plate 31, a weight groove 32, a length measuring device 4, a positioning plate 41, a limit plate 42, a scale plate 43, a sliding groove 44, a sliding block 45, a pointer block 46, a friction plate 47, a connecting column 48, a moving plate 49, a support handle 410, a reinforcing plate 411, a special-shaped plate 412, a movable groove 413, a double screw rod 414, a dial plate 415, a weight measuring device 5 and a level meter.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-9, the present invention provides a technical solution of a metrological calibration apparatus:

placing device 1 upper end fixedly connected with levelling device 2, 2 upper end fixedly connected with strutting arrangement 3 of levelling device, the side right-hand member is provided with weight metering device 5 on 3 strutting arrangement, the side left end is provided with length metering device 4 on 3 strutting arrangement, the side right end fixedly connected with spirit level 6 on 3 strutting arrangement, placing device 1 is including placing dish 11, fixedly connected with antiskid ribbed tile 14 on placing dish 11 downside, place and seted up circular recess 13 on the dish 11, fixedly connected with frictional layer 15 on the 13 inner walls of circular recess, 15 swing joint of frictional layer has circular circle 12, fixedly connected with levelling device 2 on the side on circular circle 12, circular circle 12 and circular recess 13 are the T setting.

Leveling device 2 is including leveling dish 21, and three adjustment tank 22 has evenly been seted up on leveling dish 21, has all seted up auxiliary tank 23 on the three 22 looks remote site inner walls of adjustment tank, and equal swing joint has supplementary piece 25 in six two liang of a set of auxiliary tank 23, and six two liang of a set of supplementary piece 25 swing joint respectively is on three regulating block 27 side, and the equal swing joint of three regulating block 27 has threaded rod 26, and leveling dish 21 downside fixedly connected with circular ring 12 upper end.

Optical axis department difference swing joint that three threaded rod 26 is close to leveling dish 21 center department one end is on a side that three adjustment tank 22 is close to leveling dish 21 center department, the equal fixedly connected with rolling disc 24 of one end that leveling dish 21 center department was kept away from to three threaded rod 26, the articulated seat 28 of equal fixedly connected with on the side on three regulating block 27, three articulated seat 28 all has regulation pole 210 through articulated post 29 swing joint, the equal swing joint of three regulation pole 210 other end is on clamping ring 217, clamping ring 217 is in the recess that support column 212 lower extreme was seted up through three fixing base 216 fixed connection, support column 212 upper end fixedly connected with strutting arrangement 3.

Three fixing base 216 sets up with three regulation pole 210 in turn, three upper end strong point of adjusting pole 210 evenly sets up a plane of determineing, standing groove 213 has been seted up to support column 212 upper end, open-close groove 218 has been seted up on the standing groove 213 preceding lateral wall, be provided with the back shaft in the open-close groove 218, and back shaft swing joint has open-close plate 214 one end, open-close plate 214 swing joint is in open-close groove 218, open-close plate 214 leading flank right-hand member fixedly connected with pulling is 215, the even fixedly connected with of open-close groove 218 is kept away to support column 212 lateral surface is three to be taken and is moved 211.

Strutting arrangement 3 includes backup pad 31, and weight groove 32 has been seted up on backup pad 31 upper end right side, fixedly connected with weight metering device 5 in weight groove 32, and 5 right-hand members of weight metering device are provided with spirit level 6, and 6 fixed connection of spirit level are right-hand members on backup pad 31, and backup pad 31 is gone up side left end fixedly connected with length metering device 4, and backup pad 31 downside center department fixedly connected with support column 212.

Length metering device 4 includes locating plate 41, equal fixedly connected with limiting plate 42 on the side around locating plate 41, the equal fixed connection of two limiting plate 42 is on the backup pad 31 on the side, sliding groove 44 has all been seted up on two limiting plate 42 opposite faces, equal fixedly connected with scale plate 43 on the side on two limiting plate 42, be provided with the digital scale on the scale plate 43, equal swing joint has sliding block 45 in two sliding groove 44, both ends around difference fixedly connected with movable plate 49 on two sliding block 45 opposite faces.

The lower end of the moving plate 49 is provided with a plurality of reinforcing plates 411, the left side surface of the moving plate 49 is horizontally arranged, the upper side surface of the moving plate 49 is fixedly connected with a supporting handle 410, the inner wall of the upper end of the supporting plate 31 is provided with a movable groove 413, two special-shaped plates 412 are movably connected in the movable groove 413, the lower end and the back end of each special-shaped plate 412 are fixedly connected with connecting columns 48, and the front end and the back end of the upper side surface of the moving plate 49, which correspond to the scale plates 43, are provided with pointer blocks 46.

The back end of each of the two connecting columns 48 respectively penetrates through the front side wall and the back side wall of the supporting handle 410 and is fixedly connected with a friction plate 47, the end, away from each other, of each of the two friction plates 47 is respectively and movably connected to the opposite surface of the two limiting plates 42, the upper ends of the two special-shaped plates 412 are respectively and movably connected with the front end and the back end of a double screw 414, the thread directions of the front end and the back end of the double screw 414 are opposite, and a poking disc 415 is fixedly connected to the optical axis of the center of the double screw 414.

When the device is used, the placing disc 11 is firstly placed on a proper position through the antiskid plates 14, then the leveling device 2 can be rotated by the circular ring 12 and the circular groove 13 according to requirements, thereby driving the supporting device 3 to rotate by an angle, finally achieving the purpose of rotating the length measuring device 4 and the weight measuring device 5, thereby the device can be placed at a proper position and corresponding users can adjust the corresponding angle, thereby being convenient for corresponding users to use, and after the weight metering device 5 and the length metering device 4 are adjusted to proper angles, the position of the circular ring 12 is relatively fixed through the friction layer 15, the relative positions of the leveling device 2, the supporting device 3, the length metering device 4 and the weight metering device 5 can be fixed, and the use convenience of the device can be improved;

after the device is placed properly, whether the supporting device 3 is horizontal or not can be judged according to the level gauge 6, when a supporting plate 31 included by the supporting device 3 deviates, three corresponding threaded rods 26 can be driven to rotate through three corresponding rotating discs 24, the three corresponding threaded rods 26 rotate to drive corresponding three adjusting blocks 27 to be matched with six auxiliary blocks 25 in a group of two, six auxiliary grooves 23 in a group of two and three adjusting grooves 22 to move, then three corresponding hinging seats 28 are matched with three corresponding hinging columns 29 to drive three corresponding adjusting rods 210 to move to different positions, the three adjusting rods 210 move to different positions to enable three points of the connecting ring 217 to be improved to different positions, then three corresponding fixing seats 216 are used for driving the supporting columns 212 to deviate and level, and then the purpose of adjusting the three-point leveling supporting plate 31 can be achieved, meanwhile, corresponding users can drive the opening plate 214 to be pulled out of the opening groove 218 by pulling the handle 215, so that the corresponding users can conveniently place articles to be used in a matched manner into the placing groove 213, and the corresponding users can conveniently place auxiliary devices in the metrological verification process, so that the corresponding users can conveniently use the device for metrological verification, and meanwhile, the leveling device 2 can also adjust the height of the supporting device 3 to a certain degree, so that the corresponding users can further conveniently use the device;

after the device is placed and leveled, an article to be measured and verified can be placed on the upper side surface of the weight metering device 5, then the corresponding article can be subjected to weight measurement and verification through the weight metering device 5, then the length metering device 4 to be subjected to length measurement can be placed on the right side surface of the nail positioning plate 41, then the dial plate 415 can be rotated to rotate forward to drive the double screws 414 to rotate forward, the double screws 414 rotate forward to drive the two special-shaped plates 412 to be matched with the corresponding movable grooves 413 to be close to each other, further to drive the two corresponding connecting columns 48 to be matched with the corresponding supporting handles 410 to be close to each other, the two connecting columns 48 are close to each other to drive the two friction plates 47 to be close to each other and to be far away from the two limiting plates 42 to be close to each other, then the moving plate 49 can be pulled through the supporting handles 410 to move to the right end surface of the article to be measured, and the levelness of the moving plate 49 can be ensured through the plurality of reinforcing plates 411 when the moving plate 49 moves, meanwhile, the moving plate 49 moves to ensure the relative position of the moving plate by matching two corresponding sliding blocks 45 with two corresponding sliding grooves 44, the dial plate 415 can be rotated reversely after the left side surface of the moving plate 49 is completely contacted with the right side surface of an article to be measured, then two friction plates 47 can be respectively contacted with the opposite surfaces of two limiting plates 42, further the relative position of the moving plate 49 can be fixed, and then a corresponding user can complete length measurement verification by matching two corresponding pointer blocks 46 with two corresponding scale plates 43.

In the description of the present invention, it is to be understood that the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings and are only for convenience in describing the present invention and simplifying the description, but are not intended to indicate or imply that the indicated devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly attached, detachably attached, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.