CN218724990U

CN218724990U - Metering and calibrating equipment for spring dynamometer

Info

Publication number: CN218724990U
Application number: CN202223003026.0U
Authority: CN
Inventors: 董晓霞
Original assignee: Tai'an Daiyue District Metrology And Testing Institute
Current assignee: Tai'an Daiyue District Metrology And Testing Institute
Priority date: 2022-11-10
Filing date: 2022-11-10
Publication date: 2023-03-24
Anticipated expiration: 2032-11-10

Abstract

The application provides a be used for spring dynamometer measurement calibration equipment, comprising a base plate, the equal fixedly connected with support column in four angle departments of bottom plate up end, the top fixedly connected with roof of support column, two couples of lower terminal surface symmetry and fixedly connected with of roof, it is connected with first screw rod to rotate between the right side of bottom plate and roof, roof and fixedly connected with regulating block are run through on the top of first screw rod, threaded connection has the movable block on the first screw rod, fixedly connected with mounting panel on the inside wall of movable block, the up end fixedly connected with second screw rod of mounting panel, and be equipped with bearing structure on the second screw rod. This application has realized being connected with spring dynamometer bottom rapid stabilization through the two-way screw rod of fixed plate, knob, movable plate, fixture block and the slide bar that sets up, has solved among the prior art problem that the stay cord is connected easy wearing and tearing and stay cord deformation influence calibration precision.

Description

Metering and calibrating equipment for spring dynamometer

Technical Field

The utility model relates to a measurement calibration equipment field particularly, relates to a be used for spring dynamometer measurement calibration equipment.

Background

The mechanical instrument is a general name of all mechanical instruments taking the law of stress and stress effect as the principle. Common mechanical instruments include measuring instruments such as a weighing apparatus balance, a push-pull dynamometer, a torsion meter, a spring dynamometer, a hardness meter and a vibration meter. When the spring dynamometer is used, calibration is needed, so that the accuracy of a detection result is ensured.

Through retrieval, in the prior art, chinese patent with patent publication No. CN217505077U discloses "a metering and calibrating device for mechanical instruments", but still has the following defects:

(1) In the mode, the pull rope is connected with the hook at the bottom end of the spring dynamometer, so that the pull rope is easy to wear after being used for a long time, meanwhile, the pull rope has certain deformation, the calibration accuracy is reduced, and in the prior art, the lifting adjustment is carried out through the push rod motor, so that the cost is higher;

(2) The lifting plate with the mode has simple structure, is inconvenient for installers to install the spring dynamometer, reduces the calibration efficiency, simultaneously is inconvenient for ensuring the verticality of the dynamometer, reduces the calibration effect,

we have therefore improved this by providing a metering calibration apparatus for a spring dynamometer.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the problem that a hanging rope is easy to wear, easy to deform, capable of reducing calibration precision and inconvenient to install a spring dynamometer quickly is solved.

In order to realize the purpose of the utility model, the utility model provides a following technical scheme:

a metrological calibration device for mechanical instruments to ameliorate the above problems.

The present application is specifically such that:

the lifting device comprises a bottom plate, four equal fixedly connected with support columns in the four corners of the upper end surface of the bottom plate, a top fixedly connected with top plate of the support columns, two hooks symmetrically and fixedly connected with the lower end surface of the top plate, a first screw rod is rotatably connected between the right sides of the bottom plate and the top plate, the top end of the first screw rod penetrates through the top plate and a regulating block fixedly connected with the top plate, a moving block is in threaded connection with the first screw rod, a mounting plate is fixedly connected onto the inner side wall of the moving block, a second screw rod is fixedly connected onto the upper end surface of the mounting plate, a supporting structure is arranged on the second screw rod, a movable seat is fixedly connected onto the top end of the second screw rod, a rotating block is rotatably connected onto the movable seat, a lifting plate is fixedly connected onto the top end surface of the lifting plate, two fixing plates are symmetrically and fixedly connected onto the upper end surface of the lifting plate, two bidirectional screw rods with opposite in thread direction are rotatably connected between the fixing plates, a knob is fixedly connected onto the front end of the bidirectional screw rod, two moving plates are symmetrically and are connected with two clamping blocks fixedly connected onto the two ends of the moving plates, and two marking plates are symmetrically and fixedly connected between the bottom plate and the top plate.

As the preferred technical scheme of this application, bearing structure includes the thread bush with second screw rod threaded connection, the upside of thread bush is equipped with the support frame, and support frame and second screw rod sliding connection, the through-hole has been seted up on the support frame, and matches in the through-hole and be equipped with the gag lever post, the bottom and the mounting panel fixed connection of gag lever post.

As the preferred technical scheme of this application, the guide hole has all been seted up at the both ends of movable plate, and the guide hole interior matching is equipped with the slide bar, the both ends of slide bar respectively with fixed plate fixed connection.

As the preferred technical scheme of this application, the downside of couple all is equipped with the card box, the card box is through linking up post and roof fixed connection.

As the preferred technical scheme of this application, the equal fixedly connected with slipmat of four angle departments of terminal surface under the bottom plate, the bottom surface of slipmat is equipped with anti-skidding line.

As the preferable technical scheme of this application, all fixedly connected with sliding sleeve on the lateral wall around the movable block, and sliding sleeve and support column sliding connection.

Compared with the prior art, the beneficial effects of the utility model are that:

in the scheme of the application:

1. the quick and stable connection with the bottom end of the spring dynamometer is realized through the fixed plate bidirectional screw, the knob, the movable plate, the clamping block and the sliding rod, and the problem that the connection of a pull rope is easy to wear and the deformation of the pull rope influences the calibration precision in the prior art is solved;

2. through the arrangement of the first screw, the adjusting block and the moving block, the lifting adjustment of the tension is realized, and the problem that the cost is high when a push rod motor is used in the prior art is solved;

3. through the arranged supporting structure, the initial horizontal adjustment of the lifting plate is realized, and the problem that the spring dynamometer is inconvenient to mount quickly when the lifting plate inclines in the prior art is solved;

4. through the card box that sets up and join in marriage the post, realized spacing to the spring dynamometer, the guarantee is in the vertical state, has solved the problem that spring dynamometer slope influences the calibration accuracy among the prior art.

Drawings

FIG. 1 is a schematic front-side perspective view of a metrology calibration apparatus for a mechanical instrument provided herein;

FIG. 2 is a schematic bottom perspective view of a metrology calibration apparatus for a mechanical instrument according to the present application;

FIG. 3 is a schematic diagram of a front side plan view of a metrology calibration apparatus for a mechanical instrument according to the present application;

FIG. 4 is a schematic side-view perspective of a metrology calibration apparatus for a mechanical instrument provided herein;

FIG. 5 is a schematic structural diagram of a lifting plate and its connecting components of the metering and calibrating device for mechanical instruments provided by the present application;

fig. 6 is a schematic structural diagram of a support structure of the metrology calibration apparatus for mechanical instruments provided herein.

The following are marked in the figure:

1. a base plate; 2. a support pillar; 3. a top plate; 4. hooking; 5. a first screw; 6. an adjusting block; 7. a moving block; 8. mounting a plate; 9. a second screw; 10. a support structure; 1001. a threaded sleeve; 1002. a support frame; 1003. a limiting rod; 11. a movable seat; 12. rotating the block; 13. a lifting plate; 14. a fixing plate; 15. a bidirectional screw; 16. a knob; 17. moving the plate; 18. a clamping block; 19. a slide bar; 20. a marking plate; 21. a card box; 22. connecting the column; 23. a non-slip mat; 24. and (4) a sliding sleeve.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them.

Thus, the following detailed description of the embodiments of the present invention is not intended to limit the scope of the invention as claimed, but is merely representative of some embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that, in the present invention, the embodiments and the features and technical solutions in the embodiments may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

As shown in fig. 1, 2, 3, 4, 5 and 6, the present embodiment provides a metering and calibrating device for a spring dynamometer, which includes a bottom plate 1, support columns 2 are fixedly connected to four corners of an upper end surface of the bottom plate 1, a top plate 3 is fixedly connected to top ends of the support columns 2, two hooks 4 are symmetrically and fixedly connected to a lower end surface of the top plate 3, the hooks 4 are conveniently hung on an accurate spring dynamometer and a measured spring dynamometer, a first screw 5 is rotatably connected between right sides of the bottom plate 1 and the top plate 3, a top end of the first screw 5 penetrates the top plate 3 and is fixedly connected with an adjusting block 6, a moving block 7 is threadedly connected to the first screw 5, the first screw 5 is rotated by rotating the adjusting block 6, so that the adjusting block 6 descends, thereby lowering the lifting plate 13, lowering and lowering costs, a mounting plate 8 is fixedly connected to an inner side wall of the moving block 7, a second screw 9 is fixedly connected to an upper end surface of the mounting plate 8, a support structure 10 is provided on the second screw 9, the lifting plate 13 is conveniently supported by the support structure 10, a knob is rotatably connected to a bidirectional screw base plate 14, a bidirectional screw movable block 15 is rotatably connected to a bidirectional base 12, a bidirectional movable plate 14 is rotatably connected to a bidirectional base plate 14, thereby make movable plate 17 inwards remove simultaneously to make fixture block 18 be close to each other, conveniently connect the top of spring dynamometer, compare with prior art, the phenomenon of difficult appearance wearing and tearing can also avoid deformation to influence the phenomenon of calibration, two mark boards 20 of symmetry and fixedly connected with between bottom plate 1 and the roof 3, make things convenient for the user of service to look over the test result.

As shown in fig. 1 and fig. 6, as a preferred embodiment, in addition to the above manner, the supporting structure 10 further includes a threaded sleeve 1001 in threaded connection with the second screw 9, a supporting frame 1002 is disposed on an upper side of the threaded sleeve 1001, the supporting frame 1002 is in sliding connection with the second screw 9, a through hole is formed in the supporting frame 1002, a limiting rod 1003 is disposed in the through hole in a matching manner, and a bottom end of the limiting rod 1003 is fixedly connected with the mounting plate 8; the supporting frame 1002 can ascend and descend by rotating the threaded sleeve 1001, and the lifting plate 13 can be kept balanced by installing a spring dynamometer, so that the mounting is convenient, and the efficiency is improved.

As shown in fig. 5, as a preferred embodiment, in addition to the above-mentioned mode, further, guide holes are formed at both ends of the moving plate 17, a slide rod 19 is disposed in the guide holes, and both ends of the slide rod 19 are respectively fixedly connected with the fixed plate 14; the sliding rod 19 is convenient for moving the moving plate 17, so that the stability of the fixture block 18 during moving is guaranteed.

As shown in fig. 2 and 3, in addition to the above-mentioned mode, as a preferred embodiment, the lower sides of the hooks 4 are provided with card boxes 21, and the card boxes 21 are fixedly connected with the top plate 3 through connecting columns 22; conveniently go into the spring dynamometer card through card box 21, and then ensure that the spring dynamometer is in the vertical state, improve measuring accuracy nature, and then improve the effect of calibration.

As shown in fig. 2, as a preferred embodiment, in addition to the above manner, further, a non-slip mat 23 is fixedly connected to four corners of the lower end surface of the bottom plate 1, and the bottom surface of the non-slip mat 23 is provided with non-slip threads; the convenient place improves bottom plate 1's frictional force, ensures stability.

As shown in fig. 1, as a preferred embodiment, in addition to the above-mentioned mode, further, sliding sleeves 24 are fixedly connected to both the front and rear side walls of the moving block 7, and the sliding sleeves 24 are slidably connected with the supporting columns 2; the sliding sleeve 24 can move synchronously along with the moving block 7, and the moving stability of the moving block 7 is improved.

Specifically, this a measurement calibration equipment for mechanics instrument is when during operation/use: firstly, scrape the scraping ring on the top of the comparison spring dynamometer and the spring dynamometer to be calibrated on the hook 4, then respectively clamp the comparison spring dynamometer and the spring dynamometer to be calibrated into the middle of the card box 21, then rotate the knob 16 to rotate the two-way screw 15, thereby simultaneously move the movable plate 17 inwards, thereby simultaneously move the clamping blocks 18 inwards until the clamping blocks are mutually attached, then adsorb the magnetic marker on the bottom connecting hooks of the two spring dynamometers, then rotate the thread bush 1001 to make the support frame 1002 descend, remove the limit support of the lifting plate 13, then rotate the first screw 5 by rotating the adjusting block 6, thereby make the movable block 7 descend, and further make the mounting plate 8 and the lifting plate 13 descend synchronously, if the lifting plate 13 is in an inaccurate state, then calibrate the spring dynamometer.

All the technical features in the embodiment can be freely combined according to actual needs.

The above-mentioned embodiment is the utility model discloses the implementation scheme of preferred, in addition, the utility model discloses can also realize by other modes, any obvious replacement is all within the protection scope of the utility model under the prerequisite that does not deviate from this technical scheme design.

Claims

1. The device for metering and calibrating the spring dynamometer comprises a bottom plate (1) and is characterized in that four corners of the upper end face of the bottom plate (1) are fixedly connected with supporting columns (2), the top end of each supporting column (2) is fixedly connected with a top plate (3), the lower end face of each top plate (3) is symmetrically and fixedly connected with two hooks (4), a first screw (5) is rotatably connected between the right sides of the bottom plate (1) and the top plate (3), the top end of the first screw (5) penetrates through the top plate (3) and is fixedly connected with an adjusting block (6), a moving block (7) is in threaded connection with the first screw (5), a mounting plate (8) is fixedly connected onto the inner side wall of the moving block (7), a second screw (9) is fixedly connected onto the upper end face of the mounting plate (8), a supporting structure (10) is arranged on the second screw (9), a movable seat (11) is fixedly connected onto the top end of the second screw (9), a rotating block (12) is rotatably connected into the movable seat (11), a lifting plate (13) is fixedly connected onto the upper end face of the lifting plate (13), and two fixing plates (14) are in opposite directions, and two fixing plates (14) are fixedly connected into two opposite directions, and the front end of the bidirectional screw (15) is fixedly connected with a knob (16), the bidirectional screw (15) is symmetrically and threadedly connected with two moving plates (17), two clamping blocks (18) are fixedly connected at two ends of the moving plates (17), and two marking plates (20) are symmetrically and fixedly connected between the bottom plate (1) and the top plate (3).

2. The metering and calibrating device for the spring dynamometer, according to claim 1, characterized in that the supporting structure (10) comprises a threaded sleeve (1001) in threaded connection with the second screw (9), a supporting frame (1002) is arranged on the upper side of the threaded sleeve (1001), the supporting frame (1002) is in sliding connection with the second screw (9), a through hole is formed in the supporting frame (1002), a limiting rod (1003) is arranged in the through hole in a matching manner, and the bottom end of the limiting rod (1003) is fixedly connected with the mounting plate (8).

3. The apparatus for measuring and calibrating the spring dynamometer according to claim 1, wherein guide holes are formed in both ends of the moving plate (17), slide rods (19) are arranged in the guide holes in a matching manner, and both ends of each slide rod (19) are fixedly connected with the fixed plate (14).

4. A device for metering and calibrating a spring dynamometer according to claim 1, characterized in that the hooks (4) are each provided with a cartridge (21) on their underside, the cartridges (21) being fixedly connected to the top plate (3) by means of coupling posts (22).

5. A device for measuring and calibrating a spring dynamometer, according to claim 1, characterized in that anti-skid pads (23) are fixedly connected to four corners of the lower end face of the bottom plate (1), and the bottom surfaces of the anti-skid pads (23) are provided with anti-skid lines.

6. A device for metering and calibrating a spring dynamometer according to claim 1, wherein a sliding sleeve (24) is fixedly connected to each of the front and rear side walls of the moving block (7), and the sliding sleeve (24) is slidably connected to the supporting column (2).