CN210741663U

CN210741663U - Weight metrological verification is with slowly falling device

Info

Publication number: CN210741663U
Application number: CN201922290697.1U
Authority: CN
Inventors: 潘泽宇; 曲达; 黄朝琳; 商通
Original assignee: Harbin Yongchuang Measurement And Testing Co Ltd
Current assignee: Harbin Yongchuang Measurement And Testing Co Ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-06-12
Anticipated expiration: 2029-12-18

Abstract

A slow descending device for weight metrological verification relates to a metrological verification tool. Two longerons level and both ends are connected with fixed cross beam in parallel, there are two slide bars between fixed cross beam, two slide bars are connected with movable cross beam, movable cross beam is connected with locking screw rod one end, the locking screw rod other end is connected with a fixed cross beam, the longeron lower extreme has the stand, the stand lower extreme has upright screw rod, it has nut and a support section of thick bamboo to overlap on the screw rod to found, the nut is placed on the support section of thick bamboo and outside cover is equipped with the rubber ring, be equipped with spring and lower extreme and base fixed connection in the support section of thick bamboo, the both ends of spring respectively with upright screw rod and base fixed connection, the outside cover of rubber ring is equipped with the clamp, the clamp sets up on the mount and the regulation end setting of clamp is in the. The utility model has the advantages of simple integral structure, low cost, convenient use, good balance performance and good slow descending effect.

Description

Weight metrological verification is with slowly falling device

Technical Field

The utility model relates to a metrological verification apparatus, especially a weight metrological verification is with slowly falling device.

Background

The mass is one of seven physical basic quantities, and the weight is a material measure with a reproduction quality value and is widely applied to various departments. The metrological verification work of the weight is realized by weighing and comparing the standard weight and the detected weight through a weighing instrument, and the metrological verification work is directly related to the accuracy and consistency of mass quantity value transmission.

In current weight verification technique, the weight loading and unloading that the quality is 1t and above adopts artifical location, manual transport to go on usually, need consume a large amount of manual labor of examination personnel, inefficiency, and because the weight quality is great, therefore there are a great deal of uncontrollable factors at the in-process that the weight was placed, take place violent impact easily when weight and quality comparator contact, the impact force can cause the damage of sensor part among the quality comparator, can cause scrapping of quality comparator when serious. Therefore need use the weight when carrying out the examination of weight and slowly fall the device, the patent application date is 2018 11 month 28 days, application number is CN201821979379.5, the name is the chinese utility model patent of "a slowly fall device in being used for weight measurement to examine", though also disclose a slowly fall device, this slowly fall device is when using, a plurality of motors and a plurality of electric liquid push rod have been used, the examination cost has been increased, the synchronous operation of a plurality of motors can't be guaranteed when using simultaneously, then can't guarantee that the weight is in the intermediate position, then can't guarantee that a plurality of electric liquid push rod atress is even, slowly fall the effect relatively poor.

SUMMERY OF THE UTILITY MODEL

For solving the problem that exists among the background art, the utility model provides a weight metrological verification is with slowly falling device.

The purpose is achieved, the utility model adopts the following technical proposal: a slow descending device for weight metrological verification comprises a movable cross beam, locking screws, two bases, two fixing frames, two hoops, two rubber rings, two stand columns, two longitudinal beams, two fixing cross beams, two sliding rods, two nuts, two vertical screws, two supporting cylinders and two springs; the two longitudinal beams are horizontally arranged side by side, two ends of each longitudinal beam are vertically and fixedly connected with the fixed cross beams, two sliding rods arranged side by side are fixed between the two fixed cross beams, the two sliding rods are vertically and slidably connected with the movable cross beam, the middle part of the movable cross beam is vertically and fixedly connected with one end of a locking screw rod, the other end of the locking screw rod is in threaded connection with one of the fixed cross beams, the lower end of each longitudinal beam is fixed with a stand column, the lower end of each stand column is fixed with a vertical screw rod, each vertical screw rod is sleeved with a nut and a supporting cylinder, the nut is placed on the supporting cylinder, the outer side of the nut is sleeved with a rubber ring, a spring is arranged in the supporting cylinder, the lower end of the spring is fixedly connected with a base, two ends of the spring are respectively fixedly connected with the vertical screw rods and the base, the outer side of the rubber ring is, the fixing frame is sleeved on the outer side of the supporting cylinder, and the bottom of the fixing frame is fixedly connected with the base.

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

the utility model discloses a locking screw promotes movable cross beam and realizes the clamp of weight tightly with fixed, through the power conversion of founding screw rod and nut, realizes the descending of weight, presss from both sides tight rubber ring and nut through the clamp, realizes the slow rotation of nut, realizes then the slow descending of founding the screw rod, realizes then the slow descending of weight, overall structure is simple, low cost, and convenient to use, the balance performance is good, slowly falls effectually.

Drawings

FIG. 1 is an isometric view of the overall structure of the present invention;

FIG. 2 is a schematic view of a stringer;

FIG. 3 is a schematic view showing the connection relationship between the base, the fixing frame, the clamp, the rubber ring, the nut, the vertical screw, the support cylinder and the spring.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

The first embodiment is as follows: as shown in fig. 1 to 3, the utility model discloses a slow descending device for weight metrological verification, which comprises a movable cross beam 10, a locking screw 12, two bases 1, two fixing frames 2, two hoops 3, two rubber rings 4, two upright posts 5, two longitudinal beams 6, two fixed cross beams 7, two sliding rods 9, two nuts 11, two upright screws 15, two supporting cylinders 16 and two springs 17; the two longitudinal beams 6 are horizontally arranged in parallel, two ends of each longitudinal beam are vertically and fixedly connected with a fixed cross beam 7, two sliding rods 9 arranged in parallel are fixed between the two fixed cross beams 7, the two sliding rods 9 are vertically and slidably connected with a movable cross beam 10, the middle part of the movable cross beam 10 is vertically and fixedly connected with one end of a locking screw 12, the other end of the locking screw 12 is in threaded connection with one of the fixed cross beams 7 (the middle part of one of the fixed cross beams 7 is provided with a longitudinal through hole, inner threads matched with the locking screw 12 are arranged in the longitudinal through hole, the locking screw 12 is screwed into the longitudinal through hole), the lower end of each longitudinal beam 6 is fixed with a stand column 5, the lower end of each stand column 5 is fixed with a vertical screw 15, each vertical screw 15 is sleeved with a nut 11 and a support cylinder 16, the nut 11 is placed on the support cylinder 16, and the outer side of the nut, be equipped with spring 17 and lower extreme and base 1 fixed connection in the support section of thick bamboo 16, spring 17's both ends respectively with found screw rod 15 and base 1 fixed connection, the outside cover of rubber ring 4 is equipped with clamp 3, clamp 3 sets up on mount 2 and the regulation end setting of clamp 3 is in the outside of mount 2 (the upper end of 2 inner walls of mount is equipped with annular standing groove, the outer wall that annular standing groove runs through mount 2 is equipped with the through-hole, clamp 3 is placed just adjust the end and pass in the annular standing groove the through-hole sets up the outside at mount 2), 2 suits of mount are in the outside and the bottom and base 1 fixed connection of support section of thick bamboo 16.

The second embodiment is as follows: as shown in fig. 1 and 2, in the present embodiment, a sliding groove 61 is formed in each longitudinal beam 6, a sliding block is arranged in each sliding groove 61, the two sliding blocks are respectively fixedly connected to two ends of the lower surface of the movable cross beam 10, and the movable cross beam 10 is slidably connected to the two longitudinal beams 6 through the sliding grooves 61, so that the sliding connection between the movable cross beam 10 and the two sliding rods 9 is ensured to have smaller friction force and smoother sliding.

The third concrete implementation mode: as shown in fig. 1, this embodiment is further described with respect to the first embodiment, and the anti-slip pad 8 is disposed on the opposite surface of each movable beam 10 and the other fixed beam 7, and the anti-slip pad 8 is disposed to make the weight clamped more firmly.

The fourth concrete implementation mode: this embodiment is to the further explanation that concrete embodiment three was done, anti-skidding gasket 8 is the rubber gasket, and rubber has better frictional force, still has better compliance simultaneously, when guaranteeing that the weight is tight, can also avoid causing the damage to the weight.

The fifth concrete implementation mode: as shown in fig. 1, this embodiment is further described with respect to the first embodiment, a screw turntable 14 is coaxially fixed to an end of the other end of the locking screw 12, and the screw turntable 14 is provided to facilitate rotation of the locking screw 12.

The sixth specific implementation mode: as shown in fig. 1, in the present embodiment, a reinforcing beam 13 is disposed between each of the pillars 5 and the corresponding longitudinal beam 6, so that the pillars 5 are stressed more uniformly and supported more stably.

The seventh embodiment: in the first embodiment, each hoop 3 is provided with scales, so that two vertical screws 15 can be synchronously adjusted.

The scales on the band 3 are obtained experimentally in advance of production, each scale corresponding to a different falling speed, for example: scale 1 corresponds to 1cm/s, scale 2 corresponds to 2cm/s, etc.

When the utility model is used, the positions of the vertical screw rod 15 and the nut 11 are firstly adjusted to ensure that the device adapts to the use height requirement of a user, and the weight descends to meet the corresponding slow descending speed by adjusting the two clamps 3; then the hooked weight is placed between the movable cross beam 10 and the other fixed cross beam 7, the screw turntable 14 is rotated to drive the locking screw 12 to generate threaded rotation with one fixed cross beam 7, then the movable cross beam 10 is pushed to move towards the other fixed cross beam 7, and then the weight is clamped and fixed, after the hooking device is removed, the weight falls naturally due to the gravity of the weight, then the generated gravity drives the upright post 5 and the vertical screw 15 to fall naturally, the vertical screw 15 falls to drive the corresponding nut 11 to rotate, the rubber ring 4 is clamped through the hoop 3 to realize the resistance to the rotation of the nut 11, then the vertical screw 15 slowly falls, and then the weight slowly falls; after releasing the weight, the vertical screw 15 will slowly return to the original position under the action of the corresponding spring 17 for the next use.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a weight metrological verification is with slowly falling device which characterized in that: the device comprises a movable cross beam (10), locking screws (12), two bases (1), two fixing frames (2), two hoops (3), two rubber rings (4), two upright posts (5), two longitudinal beams (6), two fixed cross beams (7), two sliding rods (9), two nuts (11), two vertical screws (15), two supporting cylinders (16) and two springs (17); the two longitudinal beams (6) are horizontally arranged in parallel, two ends of each longitudinal beam are vertically and fixedly connected with a fixed cross beam (7), two sliding rods (9) arranged in parallel are fixed between the two fixed cross beams (7), the two sliding rods (9) are vertically and slidably connected with a movable cross beam (10), the middle of the movable cross beam (10) is vertically and fixedly connected with one end of a locking screw (12), the other end of the locking screw (12) is in threaded connection with one of the fixed cross beams (7), the lower end of each longitudinal beam (6) is fixed with a stand column (5), the lower end of each stand column (5) is fixed with a vertical screw (15), each vertical screw (15) is sleeved with a nut (11) and a supporting cylinder (16), the nut (11) is placed on the supporting cylinder (16) and sleeved with a rubber ring (4), a spring (17) is arranged in the supporting cylinder (16), and the lower end of the supporting cylinder is fixedly connected with a base (1), the both ends of spring (17) respectively with found screw rod (15) and base (1) fixed connection, the outside cover of rubber ring (4) is equipped with clamp (3), clamp (3) set up on mount (2) and the regulation end setting of clamp (3) is in the outside of mount (2), mount (2) suit is in the outside and the bottom and base (1) fixed connection of supporting a section of thick bamboo (16).

2. The descent control device for weight metrological verification according to claim 1, characterized in that: each longitudinal beam (6) is longitudinally provided with a sliding groove (61), each sliding groove (61) is internally provided with a sliding block, and the two sliding blocks are fixedly connected with two ends of the lower surface of the movable cross beam (10) respectively.

3. The descent control device for weight metrological verification according to claim 1, characterized in that: and anti-skid gaskets (8) are arranged on the opposite surfaces of each movable cross beam (10) and the other fixed cross beam (7).

4. The descent control device for weight metrological verification according to claim 3, characterized in that: the anti-skid gasket (8) is a rubber gasket.

5. The descent control device for weight metrological verification according to claim 1, characterized in that: and a screw rod turntable (14) is coaxially fixed at the end part of the other end of the locking screw rod (12).

6. The descent control device for weight metrological verification according to claim 1, characterized in that: and a reinforcing beam (13) is arranged between each upright post (5) and the corresponding longitudinal beam (6).

7. The descent control device for weight metrological verification according to claim 1, characterized in that: each hoop (3) is provided with scales.