CN211205506U

CN211205506U - Slow descending device used in weight metering verification

Info

Publication number: CN211205506U
Application number: CN201922476095.5U
Authority: CN
Inventors: 占天晓
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-08-07
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a slow device that falls that is arranged in weight measurement to examine, concretely relates to measurement technical field, comprises a workbench, the workstation top is provided with the stand, the fixed regulation pole that is provided with in stand top, it is provided with slow device that falls to adjust the pole below, slow device that falls is including electric putter, the fixed arc shell that is provided with on the electric putter bottom output shaft, the fixed mount pad that is provided with in arc shell bottom, be provided with the hose under the mount pad, the inside spring that is provided with of hose, be provided with the fixed plate under the hose, fixed surface is provided with the sucking disc under the fixed plate. The utility model discloses a be equipped with slowly the device that falls, the dish is through the hose and the spring of top as buffer gear, can effectively avoid weight and electronic balance's striking, can avoid electronic balance impaired, and the haulage rope symmetry sets up to two pairs, strengthens the stability of sucking disc transportation slice weight.

Description

Slow descending device used in weight metering verification

Technical Field

The utility model relates to a measurement technical field, more specifically say, the utility model relates to a slowly fall device for weight measurement is examined well.

Background

The weights are embodied by mass units, have definite masses, are used for measuring the mass of an object, and verify various balances and weighing apparatuses, so the weights need to be verified and corrected regularly, weight groups are used for mass measurement, a set of weights with different masses and any magnitude can be formed, the set of weights is called a weight group, the weight group combination is based on the principle that the smallest number of weights can form any magnitude, the materials for manufacturing the weights comprise copper alloy, nonmagnetic stainless steel, aluminum alloy and the like, the weights are in block shapes, sheet shapes, annular shapes, rod shapes and the like, and the weight group is generally provided with a mass adjusting cavity for adjusting the mass of the weights when the weights are corrected.

In current weight verification technique, because the weight quality is great, and there are a great deal of uncontrollable factors in the in-process that the weight was placed, so strike takes place easily when weight and electronic balance contact, and the impact can cause the damage of sensor part among the electronic balance, influences the precision.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a slowly fall device for weight measurement is examined well, the utility model aims to solve the technical problem that: when the weight is placed, the electronic balance is not damaged by impact.

In order to achieve the above object, the utility model provides a following technical scheme: a slow descending device used in weight metering verification comprises a workbench, wherein a stand column is arranged at the top of the workbench, an adjusting rod is fixedly arranged at the top of the stand column, and a slow descending device is arranged below the adjusting rod;

the slow descending device comprises an electric push rod, an arc-shaped shell is fixedly arranged on an output shaft at the bottom of the electric push rod, a mounting seat is fixedly arranged at the bottom of the arc-shaped shell, a hose is arranged under the mounting seat, a spring is arranged inside the hose, a fixing plate is arranged under the hose, suckers are fixedly arranged on the lower surface of the fixing plate, an air pump is arranged inside the arc-shaped shell, an air pump suction port is communicated with the hose, the other end of the hose is communicated with the suckers, traction ropes are arranged on the two end faces of the fixing plate, and a rotating rod is wound on the traction ropes arranged inside the mounting seat.

The implementation mode is specifically as follows: when the device is used, the electric push rod output shaft can drive the arc-shaped shell fixedly connected with the bottom to move downwards, the arc-shaped shell can drive the mounting seat fixedly connected with the bottom to move downwards, the sucking disc is arranged under the mounting seat and is driven to move downwards, the sucking disc can be attached to the sheet weight below the sucking disc in the moving process, the air pump is started, the air pump can draw air in the sucking disc through the hose to enable the inside of the sucking disc to be in a negative pressure state, so that the sheet weight can be adsorbed and fixed, the electric push rod output shaft can contract to lift the sheet weight upwards, the number of rotating shafts of the output shaft of the servo motor is preset by an operator, the output shaft of the servo motor can drive the adjusting rod to horizontally rotate 180 degrees, the lifted sheet weight is positioned right above the electronic balance tray, the positioning is accurate, and the electric push rod can push the sheet weight downwards until the, the sucking disc passes through the hose and the spring of top as buffer gear, can effectively avoid weight and electronic balance's striking, can avoid electronic balance impaired, and the slice weight can steady stop on electronic balance, and the haulage rope couples together fixed plate and mount pad, and the haulage rope symmetry sets up to two pairs, and the stability of reinforcing sucking disc transportation slice weight has avoided the weight to slowly fall the in-process condition of rocking about appearing, guarantees the accuracy that the weight fell into the point.

In a preferred embodiment, a suction member is fixedly arranged at the bottom of the upright column, and the suction member is a silica gel suction cup.

In a preferred embodiment, a servo motor is arranged between the adjusting rod and the upright column, the servo motor is embedded in the upright column, and an output shaft of the servo motor is fixedly connected with the adjusting rod.

In a preferred embodiment, the arcuate shell surface is provided with an opening.

In a preferred embodiment, the hose is made of an elastic rubber material.

In a preferred embodiment, a wear-resistant ring is arranged between the rotating rod and the mounting seat, and the wear-resistant ring is sleeved on the rotating rod.

In a preferred embodiment, the pull cord is made of a nylon material.

In a preferred embodiment, the fixing plate is provided with an opening in the middle.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a through being equipped with slowly falling device, operating personnel preset the turned angle of regulation pole, make the slice weight after promoting be located the electronic balance tray directly over, the location is accurate, the sucking disc passes through the hose and the spring of top as buffer gear, can effectively avoid the striking of weight and electronic balance, can avoid electronic balance impaired, the haulage rope symmetry sets up to two pairs, the stability of reinforcing sucking disc transportation slice weight, avoided the weight to appear the condition of swaying about slowly falling in-process, guarantee the accuracy of weight drop point, compared with the prior art, the utility model relates to a rationally, convenient to use can carry out slowly falling work to the weight effectively, has ensured effective transport and the stability ability of weight;

2. the utility model discloses a be equipped with the bull stick, operating personnel can adjust the haulage rope through just reversing the bull stick to guarantee that the sucking disc is located under the mount pad, and install wear-resisting circle between sucking disc and the mount pad, required frictional force when wear-resisting circle strengthens the bull stick greatly and rotates plays firm effect, and the adsorption of the adsorption member of stand bottom can be firm adsorbs on bearing the thing, further improves the stability ability of this device when whole operation.

Drawings

Fig. 1 is a front view of the overall structure of the present invention.

Fig. 2 is an enlarged schematic view of a portion a of fig. 1 according to the present invention.

Fig. 3 is an enlarged schematic view of a portion B in fig. 1 according to the present invention.

Fig. 4 is a perspective view of the fixing plate structure of the present invention.

Fig. 5 is a side sectional view of the mounting seat and the rotating rod structure of the present invention.

The reference signs are: the device comprises a workbench 1, a stand column 2, an adjusting rod 3, a slow descending device 4, an electric push rod 5, an arc-shaped shell 6, a mounting seat 7, a hose 8, a spring 9, a fixing plate 10, a suction cup 11, an air pump 12, a traction rope 13, a rotating rod 14, an adsorption part 15, a servo motor 16, an opening 17, an abrasion-resistant ring 18 and an opening 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

The utility model provides a slow descending device used in weight metering verification, which comprises a workbench 1, wherein a stand column 2 is arranged at the top of the workbench 1, an adjusting rod 3 is fixedly arranged at the top of the stand column 2, and a slow descending device 4 is arranged below the adjusting rod 3;

slowly fall device 4 including electric putter 5, the fixed arc shell 6 that is provided with on the 5 bottom output shafts of electric putter, the fixed mount pad 7 that is provided with in arc shell 6 bottom, be provided with hose 8 under the mount pad 7, the inside spring 9 that is provided with of hose 8, be provided with fixed plate 10 under hose 8, fixed surface is provided with sucking disc 11 under the fixed plate 10, the inside air pump 12 that is provided with of arc shell 6, air pump 12 induction port and hose 8 intercommunication, the hose 8 other end and sucking disc 11 intercommunication, all be provided with haulage rope 13 on the face of the 10 both ends of fixed plate, 7 inside haulage rope 13 windings that are provided with of mount pad are connected with bull stick 14.

Be provided with servo motor 16 between regulation pole 3 and the stand 2, servo motor 16 is embedded in stand 2, servo motor 16 output shaft and regulation pole 3 fixed connection, the arc shell 6 surface is provided with opening 17, hose 8 is made by elastic rubber material, haulage rope 13 is made by nylon materials, the fixed plate 10 middle part sets up trompil 19.

As shown in fig. 1 to 5, the embodiment specifically is: when the electronic balance is used, the output shaft of the electric push rod 5 can drive the arc-shaped shell 6 fixedly connected with the bottom to move downwards, the arc-shaped shell 6 can drive the mounting seat 7 fixedly connected with the bottom to move downwards, the sucking disc 11 is arranged under the mounting seat 7, so that the sucking disc 11 is driven to move downwards, the sucking disc 11 can be attached to a sheet weight below the sucking disc 11 in the moving process, the air pump 12 is started at the moment, the air pump 12 can draw air in the sucking disc 11 through the hose 8 to enable the inside of the sucking disc to be in a negative pressure state, so that the sheet weight can be adsorbed and fixed, the output shaft of the electric push rod 5 can contract to lift the sheet weight upwards, the number of shafts for rotating the output shaft of the servo motor 16 is preset by an operator, the output shaft of the servo motor 16 can drive the adjusting rod 3 to horizontally rotate 180 degrees, the lifted sheet weight is positioned right above the electronic balance tray, the positioning is accurate, the, hose 8 and spring 9 that sucking disc 11 passes through the top are as buffer gear, can effectively avoid weight and electronic balance's striking, can avoid electronic balance impaired, slice weight can steady stop on electronic balance, haulage rope 13 couples together fixed plate 10 and mount pad 7, and haulage rope 13 symmetry sets up to two pairs, reinforcing sucking disc 11 transports the stability of slice weight, has avoided the weight to slowly fall the in-process condition of rocking about appearing, guarantees the accuracy of weight entering point.

The bottom of the upright column 2 is fixedly provided with an adsorption piece 15, the adsorption piece 15 is a silica gel sucker, a wear-resistant ring 18 is arranged between the rotating rod 14 and the mounting seat 7, and the wear-resistant ring 18 is sleeved on the rotating rod 14.

As shown in fig. 1 and 5, the embodiment specifically includes: haulage rope 13 is connected with bull stick 14, operating personnel can adjust haulage rope 13 through just reversing bull stick 14, under guaranteeing that sucking disc 11 is located mount pad 7, and install wear-resisting circle 18 between sucking disc 11 and the mount pad 7, wear-resisting circle 18 strengthens required frictional force when bull stick 14 rotates greatly, plays firm effect, the absorption of 2 bottoms of stand 15 can be firm adsorbs on bearing the thing, further improves the stability ability of this device when whole operation.

The utility model discloses the theory of operation:

referring to the attached drawings 1-5 of the specification, an operator presets the rotation angle of the adjusting rod 3, so that the lifted flaky weight is positioned right above an electronic balance tray and is accurately positioned, the sucking discs 11 serve as buffer mechanisms through the hoses 8 and the springs 9 above the sucking discs, the collision between the weight and the electronic balance can be effectively avoided, the electronic balance can be prevented from being damaged, the two pairs of traction ropes 13 are symmetrically arranged, the stability of the sucking discs 11 for transporting the flaky weight is enhanced, and the situation that the weight swings left and right in the slow descending process is avoided;

referring to the attached drawings 1 and 5 of the specification, an operator can adjust the traction rope 13 by rotating the rotating rod 14 forwards and backwards to ensure that the sucker 11 is positioned under the mounting seat 7, a wear-resistant ring 18 is arranged between the sucker 11 and the mounting seat 7, the wear-resistant ring 18 greatly enhances the friction force required by the rotating rod 14 during rotation, and the adsorption piece 15 at the bottom of the upright post 2 can be firmly adsorbed on a bearing object.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A slowly-falling device for weight measurement verification comprises a workbench (1), and is characterized in that: the top of the workbench (1) is provided with an upright post (2), the top of the upright post (2) is fixedly provided with an adjusting rod (3), and a slow descending device (4) is arranged below the adjusting rod (3);

the slow descending device (4) comprises an electric push rod (5), an arc-shaped shell (6) is fixedly arranged on an output shaft at the bottom of the electric push rod (5), the bottom of the arc-shaped shell (6) is fixedly provided with an installation seat (7), a hose (8) is arranged under the installation seat (7), a spring (9) is arranged in the hose (8), a fixing plate (10) is arranged right below the hose (8), a sucker (11) is fixedly arranged on the lower surface of the fixing plate (10), an air pump (12) is arranged in the arc-shaped shell (6), the air suction port of the air pump (12) is communicated with the hose (8), the other end of the hose (8) is communicated with the sucker (11), the fixing plate is characterized in that traction ropes (13) are arranged on two end faces of the fixing plate (10), and the traction ropes (13) are arranged inside the mounting seat (7) and are connected with rotating rods (14) in a winding mode.

2. The descent control device for weight measurement and verification according to claim 1, wherein: the fixed absorption piece (15) that is provided with in stand (2) bottom, absorption piece (15) set up to the silica gel sucking disc.

3. The descent control device for weight measurement and verification according to claim 1, wherein: a servo motor (16) is arranged between the adjusting rod (3) and the upright post (2), the servo motor (16) is embedded in the upright post (2), and an output shaft of the servo motor (16) is fixedly connected with the adjusting rod (3).

4. The descent control device for weight measurement and verification according to claim 1, wherein: the surface of the arc-shaped shell (6) is provided with an opening (17).

5. The descent control device for weight measurement and verification according to claim 1, wherein: the hose (8) is made of an elastic rubber material.

6. The descent control device for weight measurement and verification according to claim 1, wherein: a wear-resistant ring (18) is arranged between the rotating rod (14) and the mounting seat (7), and the wear-resistant ring (18) is sleeved on the rotating rod (14).

7. The descent control device for weight measurement and verification according to claim 1, wherein: the hauling cable (13) is made of nylon materials.

8. The descent control device for weight measurement and verification according to claim 1, wherein: the middle part of the fixing plate (10) is provided with an opening (19).