CN216160013U - An adjustable automatic loading and unloading large mass weight calibration device - Google Patents
An adjustable automatic loading and unloading large mass weight calibration device Download PDFInfo
- Publication number
- CN216160013U CN216160013U CN202121793025.3U CN202121793025U CN216160013U CN 216160013 U CN216160013 U CN 216160013U CN 202121793025 U CN202121793025 U CN 202121793025U CN 216160013 U CN216160013 U CN 216160013U
- Authority
- CN
- China
- Prior art keywords
- weight
- loading
- screw rod
- automatic
- supporting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000007246 mechanism Effects 0.000 claims description 26
- 239000003638 chemical reducing agent Substances 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 11
- 239000000725 suspension Substances 0.000 claims description 4
- 210000001503 joint Anatomy 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 8
- 230000033001 locomotion Effects 0.000 description 6
- 238000012360 testing method Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000026058 directional locomotion Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Images
Landscapes
- Warehouses Or Storage Devices (AREA)
Abstract
本实用新型涉及一种可调节自动加卸载大质量砝码校准装置，包括：质量比较仪，上表面可拆卸地连接有砝码支撑架；用于将砝码加载至所述砝码支撑架上的砝码自动加载单元；加载单元移动机构以及支撑以上各结构的支撑平台，所述支撑平台中心设有凸台，所述质量比较仪水平放置在所述凸台上；所述砝码自动加载单元以所述凸台为中心在所述支撑平台上间隔圆周分布，所述砝码自动加载单元由相间的若干个标准砝码自动加载单元和若干个被校准砝码自动加载单元组成。本实用新型解决了现有技术存在的技术问题，同时可以提高校准效率，提高砝码校准(标定)时的准确度，降低操作工人的劳动强度，保障工人的人身安全。
The utility model relates to an adjustable automatic loading and unloading large-mass weight calibration device, comprising: a mass comparator, a weight support frame is detachably connected to the upper surface; the weight support frame is used for loading weights on the weight support frame The automatic weight loading unit of The units are circumferentially distributed on the support platform with the boss as the center, and the weight automatic loading unit is composed of several standard weight automatic loading units and several calibrated weight automatic loading units. The utility model solves the technical problems existing in the prior art, at the same time, the calibration efficiency can be improved, the accuracy of weight calibration (calibration) can be improved, the labor intensity of operators can be reduced, and the personal safety of the workers can be guaranteed.
Description
Technical Field
The utility model relates to a weight calibration device, in particular to an adjustable automatic loading and unloading large-mass weight calibration device.
Background
At present, mass comparators are mostly adopted for calibration in large-mass weight production sites at home and abroad. The loading and unloading of weights becomes a difficult problem in the calibration process of large-mass weights. The existing large-mass weights are loaded and unloaded, most weight manufacturers adopt an artificial hoisting mode to carry out the loading and unloading, the time consumption is long, the impact is large, the calibration efficiency is low, and the personal injury of operators is easily caused.
The individual manufacturers have designed ancillary mechanisms such as: the utility model discloses an adopt the technique of guide rail car translation and pneumatic cylinder lift in the CN111174892A utility model, calibrate through electron weight scale, this method has solved the problem that the weight was automatic to add the uninstallation, nevertheless still has following shortcoming: because only two points of support are provided, the large-diameter and large-mass weight is easy to incline in the loading and unloading process; the weight adopts a hoisting structure, the structure of the mass comparator needs to be changed, and the universality is poor; the loading and unloading mechanism can only bear weights with fixed diameters. The technical method that the mobile guide rail is adopted to translate and the hydraulic oil cylinder is adopted to lift in the CN111220254A utility model patent still has the following defects for the calibration of the large-mass weight: the position of each hoisting weight cannot be fixed; due to the limitation of the size of the supporting plate, the supporting plate needs to be additionally designed for the large-diameter weight, and the universality is poor; the lateral movement of the supporting plate needs to waste much calibration time, and the efficiency needs to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing an adjustable automatic loading and unloading large-mass weight calibration device, which can improve the calibration efficiency, improve the accuracy of weight calibration (calibration), reduce the labor intensity of operators and ensure the personal safety of the operators.
The utility model is realized by the following steps:
the utility model provides an adjustable automatic loading and unloading large-mass weight calibrating device, which comprises:
-a mass comparator, the upper surface of which is removably connected with a weight support;
the automatic weight loading unit is used for loading weights onto the weight supporting frame and comprises a loading mechanism which can move up and down and is used for supporting the edge part of the lower surface of the weight, so that the weight can move up and down through the loading mechanism;
-a loading unit moving mechanism slidably connected to said automatic weight loading unit for horizontally moving said automatic weight loading unit on said loading unit moving mechanism;
the center of the supporting platform is provided with a boss, and the mass comparator is horizontally placed on the boss; the automatic weight loading unit is circumferentially distributed on the supporting platform at intervals by taking the boss as a center, and consists of a plurality of standard weight automatic loading units and a plurality of calibrated weight automatic loading units which are arranged at intervals. The number of the plurality of the grooves is more than three.
Further:
the weight support frame includes standard weight bottom suspension fagging, by the backup pad on the calibration weight, standard weight bottom suspension fagging with by backup pad parallel arrangement and through the leg joint on the calibration weight.
The automatic weight loading unit also comprises a supporting seat for supporting the loading mechanism, and the loading mechanism comprises a weight loading seat and a first screw rod driving assembly; the first screw rod driving assembly comprises a driving motor and a longitudinal screw rod, and is connected with the controller; the driving motor is fixed on the supporting seat, and the longitudinal screw rod is connected to the supporting seat through a bearing; a screw rod hole is formed in the weight loading seat, and threads matched with the longitudinal screw rod are arranged in the screw rod hole; the driving motor drives the longitudinal screw rod to rotate, and the longitudinal screw rod rotates to drive the weight loading seat to axially move along the screw rod.
The support seat is provided with two parallel longitudinal guide rails which are connected with a longitudinal slide block arranged on the weight loading seat in a sliding manner.
The automatic weight loading unit further comprises a supporting base, a supporting column used for supporting the supporting seat is arranged above the supporting base, and a transverse sliding block capable of sliding on the loading unit moving mechanism is arranged below the supporting base.
The loading unit moving mechanism comprises a second screw rod driving assembly, a transverse guide rail and a guide rail base, wherein the transverse guide rail is connected with the transverse sliding block in a sliding manner; the second screw rod driving assembly comprises a transverse screw rod, a motor and a speed reducer, and is connected with the controller; the motor and the speed reducer are fixed at the tail end of the guide rail base, the input end of the speed reducer is connected with the output end of the motor, one end of the transverse screw rod is connected to the guide rail base through a bearing seat, and the other end of the transverse screw rod is connected with the speed reducer; and a screw rod nut matched with the transverse screw rod is fixedly arranged at the rear of the supporting base, the motor drives the transverse screw rod to rotate through the speed reducer, and the transverse screw rod converts rotary motion into linear motion so as to drive the automatic weight loading unit to horizontally move.
The utility model has the following advantages:
(1) the standard weight automatic loading unit and the calibrated weight automatic loading unit are respectively and uniformly distributed with at least three units, so that the large-diameter and large-mass weight loading and unloading process is not easy to incline, and the support stability is strong;
(2) the weight support frames which are detachably connected are adopted, the structure of the mass comparator is not required to be changed, and the weight support frames in other forms can be replaced to bear weights with different diameters, so that the universality is good;
(3) through the position of controller accurate control automatic loading unit, this position sets up according to standard weight and by calibration weight's overall dimension, according to the three weight automatic loading unit of weight diameter adjustment, makes the weight outer fringe place on weight loading seat, and the position of placing at every turn is unanimous basically like this, makes the weight rigidity after the hoist and mount.
Drawings
The utility model will be further described with reference to the following examples with reference to the accompanying drawings.
FIG. 1 is a schematic structural diagram of the present invention.
Figure 2 shows another form of support (with weights).
Figure 3 shows another form of support (without weights).
Fig. 4 is a schematic structural view of the automatic weight loading unit.
Fig. 5 is a schematic structural view of a loading unit moving mechanism.
Fig. 6 is a using state diagram of the loading standard weight of the utility model.
Fig. 7 is a use state diagram (side view) of the loading standard weight of the utility model.
Fig. 8 is a using state diagram (top view) of the loading standard weight of the utility model.
Fig. 9 is a using state diagram of the utility model for loading the calibrated weight.
Fig. 10 is a use state diagram (side view) of the loading calibrated weight of the present invention.
Fig. 11 is a use state diagram (top view) of the loading calibrated weight of the present invention.
Fig. 12 is a schematic diagram of a control system.
Detailed Description
Example 1
As shown in fig. 1, an adjustable automatic loading and unloading large-mass weight calibration device comprises a support frame 1, a mass comparator 2, an automatic weight loading unit 3, a loading unit moving mechanism 4 and a support platform 5.
(1) Support frame 1: the standard weight 100 and the calibrated weight 200 are supported by the bolt connected to the surface of the upper supporting plate of the mass comparator 2 and can be replaced according to the weight type. The support frame 1 comprises a standard weight lower support plate, a calibrated weight upper support plate and a connecting support thereof. Fig. 1 is a form of a support frame, generally used for circular weights, having an automatic centering function. Fig. 2 and 3 show another form of the support frame, which is used when the standard weight is a cuboid or a cube and the calibrated weight is a cuboid, a cube or a circle.
(2) Mass comparator 2: a physical property testing instrument for weighing a weight, which is generally composed of a support member and a load cell, is a conventional device.
(3) Weight automatic loading unit 3: as shown in fig. 4, the weight loading seat 31, the longitudinal screw rod 32, the supporting seat 33, the supporting pillar 34, and the supporting base 35 are arranged from top to bottom in a supporting relationship.
Support seat 33: a driving motor 36 is fixed below the L-shaped supporting seat 33 and used for driving the longitudinal screw rod 32 to rotate, the longitudinal screw rod 32 is connected to the supporting seat 33 through a bearing, a screw rod hole is formed in the weight loading seat 31, and a thread matched with the longitudinal screw rod 32 is arranged in the screw rod hole; the driving motor 36 drives the longitudinal screw rod 32 to rotate, so as to drive the weight loading seat 31 to move along the axial direction of the screw rod. The support base 33 is provided with a longitudinal guide rail 331 in the vertical direction, and is slidably connected to a longitudinal slider 311 provided on the weight loading base 31.
Support column 34: four support columns are fixedly arranged below the support seat 33.
The supporting base 35: vertically connected to the supporting column 34, and provided with a lateral slider 37 for sliding on the loading unit moving mechanism 4.
Standard weight automatic loading unit 300: the standard weight 100 is moved up and down through a screw rod (or an oil cylinder), three units are generally uniformly distributed, the lower edge of the weight can be stably supported, and the vertical accurate movement is realized through a driving motor and a computer control system.
Calibrated weight automatic loading unit 301: move up and down through lead screw (or hydro-cylinder) by calibration weight 200, three units of evenly distributed usually can stabilize bearing weight lower limb, realize accurate removal from top to bottom through driving motor and computer control system.
Description of the drawings: an ABA comparison mode is usually adopted in the weight calibration process, and the standard weight is generally not easy to replace as a standard, so that the position of the automatic standard weight loading unit is lower than that of the automatic calibrated weight loading unit.
(4) Loading unit moving mechanism 4: as shown in fig. 5, the automatic weight loading unit 3 is controlled by a motor, a speed reducer and a computer control system (as shown in fig. 12) to accurately control the automatic standard weight loading unit 300 and the automatic calibrated weight loading unit 301, so that the automatic weight loading unit 3 is adapted to weights with different diameters. The method comprises the following steps: a transverse guide rail 41 connected with the transverse sliding block 37 in a sliding way, a transverse screw rod 42, a bearing seat 43, a guide rail base 44, a motor 45 and a speed reducer 46.
One end of the transverse screw rod 42 is connected to the guide rail base 44 through a bearing seat 43, the other end of the transverse screw rod is connected with the output end of the speed reducer 46, the input end of the speed reducer 46 is connected with the output end of the motor 45, and the motor 45 and the speed reducer 46 are fixed on the guide rail base 44. The rail base 44 is fixed to the support platform 5 by bolts.
And a screw nut 38 matched with the transverse screw rod 42 is fixedly arranged at the rear part of the supporting base 35, the motor 45 drives the transverse screw rod 45 to rotate through the speed reducer 46, and the rotary motion is converted into the linear motion of the screw nut 38 through the transverse screw rod 45, so that the weight automatic loading unit 3 is driven to horizontally move.
When the screw nut 38 moves linearly on the screw 42, the transverse slider 37 slides on the transverse guide rail 41, and the guide rail 41 guides the slider 37, thereby performing directional movement on the screw nut 38.
(5) The supporting platform 5: the reliable and stable working table is used for placing all parts.
The specific operation method comprises the following steps:
first, the automatic standard weight loading unit 300 and the automatic calibrated weight loading unit 301 are moved by the loading unit moving mechanism 4 to respective positions that are set according to the dimensions of the standard weight 100 and the calibrated weight 200. And then the standard weight 100 and the calibrated weight 200 are hung in the steel wire rope sequentially through a conventional row hanging mechanism. At this time, neither the standard weight 100 nor the calibrated weight 200 is held by the loading unit 3 and is not loaded.
Secondly, the lifting mechanism of the standard weight automatic loading unit 300 is controlled by the computer control system to load the standard weight 100 onto the support frame 1 of the mass comparator 2 (as shown in fig. 6, 7 and 8), and the standard weight is unloaded after the measured data is obtained (the screw rod is controlled to rotate by the computer control system, so that the loading seat is lifted, and the weight unloading is completed. And then the lifting mechanism of the automatic calibrated weight loading unit 301 is controlled to load the calibrated weight 200 onto the support frame 1 of the mass comparator 2 (as shown in fig. 9, 10 and 11), and the calibrated weight is unloaded after measurement data is obtained (the screw rod is controlled to rotate by the computer control system, so that the loading seat is lifted, the weight unloading is completed, and then the calibrated weight is lifted out to prepare for measuring the next calibrated weight).
And finally, comparing the measurement data of the standard weight with the measurement data of the calibrated weight to obtain the weight of the calibrated weight. And carrying out counterweight according to the obtained weight of the calibrated weight, so that the weights of the calibrated weight and the standard weight are consistent.
The following is the test comparison of the calibration weight of this calibration device and prior art:
the test results were as follows:
the utility model adopts an ABA calibration method, and adopts the calibration device and the prior art to test. As can be seen from the above table, the repeatability of the calibration device is 0.00010%, 0.00008%, and 0.00007% respectively when performing ABA calibration, and the repeatability of the prior art is 0.00055%, 0.00050%, and 0.00047% respectively when performing ABA calibration. Therefore, the measuring precision of the device is superior to that of the prior art.
Although specific embodiments of the utility model have been described above, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the utility model, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the utility model, which is to be limited only by the appended claims.
Claims (6)
1. The utility model provides an adjustable automatic big mass weight calibrating device that adds uninstallation which characterized in that: the method comprises the following steps:
-a mass comparator, the upper surface of which is removably connected with a weight support;
the automatic weight loading unit is used for loading weights onto the weight supporting frame and comprises a loading mechanism which can move up and down and is used for supporting the edge part of the lower surface of the weight, so that the weight can move up and down through the loading mechanism;
-a loading unit moving mechanism slidably connected to said automatic weight loading unit for horizontally moving said automatic weight loading unit on said loading unit moving mechanism;
the center of the supporting platform is provided with a boss, and the mass comparator is horizontally placed on the boss; the automatic weight loading unit is circumferentially distributed on the supporting platform at intervals by taking the boss as a center, and consists of a plurality of standard weight automatic loading units and a plurality of calibrated weight automatic loading units which are arranged at intervals.
2. The adjustable automatic loading and unloading large mass weight calibration device according to claim 1, wherein: the weight support frame includes standard weight bottom suspension fagging, by the backup pad on the calibration weight, standard weight bottom suspension fagging with by backup pad parallel arrangement and through the leg joint on the calibration weight.
3. The adjustable automatic loading and unloading large mass weight calibration device according to claim 1, wherein: the automatic weight loading unit also comprises a supporting seat for supporting the loading mechanism, and the loading mechanism comprises a weight loading seat and a first screw rod driving assembly; the first screw rod driving assembly comprises a driving motor and a longitudinal screw rod, and is connected with the controller; the driving motor is fixed on the supporting seat, and the longitudinal screw rod is connected to the supporting seat through a bearing; a screw rod hole is formed in the weight loading seat, and threads matched with the longitudinal screw rod are arranged in the screw rod hole; the driving motor drives the longitudinal screw rod to rotate, so that the weight loading seat is driven to move axially along the screw rod.
4. The adjustable automatic loading and unloading large mass weight calibration device according to claim 3, wherein: the support seat is provided with two parallel longitudinal guide rails which are connected with a longitudinal slide block arranged on the weight loading seat in a sliding manner.
5. The adjustable automatic loading and unloading large mass weight calibration device according to claim 3, wherein: the automatic weight loading unit further comprises a supporting base, a supporting column used for supporting the supporting seat is arranged above the supporting base, and a transverse sliding block capable of sliding on the loading unit moving mechanism is arranged below the supporting base.
6. The adjustable automatic loading and unloading large mass weight calibration device according to claim 5, wherein: the loading unit moving mechanism comprises a second screw rod driving assembly, a transverse guide rail and a guide rail base, wherein the transverse guide rail is connected with a transverse sliding block arranged on the weight automatic loading unit in a sliding manner; the second screw rod driving assembly comprises a transverse screw rod, a motor and a speed reducer, and is connected with the controller; the motor and the speed reducer are fixed at the tail end of the guide rail base, the input end of the speed reducer is connected with the output end of the motor, one end of the transverse screw rod is connected to the guide rail base through a bearing seat, and the other end of the transverse screw rod is connected with the speed reducer; and a screw rod nut matched with the transverse screw rod is fixedly arranged at the rear of the supporting base, and the motor drives the transverse screw rod to rotate through the speed reducer so as to drive the weight automatic loading unit to horizontally move.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121793025.3U CN216160013U (en) | 2021-08-03 | 2021-08-03 | An adjustable automatic loading and unloading large mass weight calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121793025.3U CN216160013U (en) | 2021-08-03 | 2021-08-03 | An adjustable automatic loading and unloading large mass weight calibration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216160013U true CN216160013U (en) | 2022-04-01 |
Family
ID=80837496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121793025.3U Active CN216160013U (en) | 2021-08-03 | 2021-08-03 | An adjustable automatic loading and unloading large mass weight calibration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216160013U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113739895A (en) * | 2021-08-03 | 2021-12-03 | 福建省计量科学研究院（福建省眼镜质量检验站） | An adjustable automatic loading and unloading large mass weight calibration device and calibration method |
-
2021
- 2021-08-03 CN CN202121793025.3U patent/CN216160013U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113739895A (en) * | 2021-08-03 | 2021-12-03 | 福建省计量科学研究院（福建省眼镜质量检验站） | An adjustable automatic loading and unloading large mass weight calibration device and calibration method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105158064B (en) | A kind of Multifunctional self-leveling weighing apparatus continuous beam test counter-force loading frame of formula | |
| CN106768639B (en) | Controlled pitch propeller blade center of gravity measurement device and measurement method | |
| CN106441706B (en) | It is integrated in the center mass measuring device of more size slender bodies assembly bench | |
| CN106404560A (en) | Shear strength size effect test machine for multi-mechanism combined structural surface | |
| CN115180498A (en) | A parallel flexible cable automatic leveling spreader and its leveling method | |
| CN104515493B (en) | Automatic radial run-out measuring device | |
| CN113739895A (en) | An adjustable automatic loading and unloading large mass weight calibration device and calibration method | |
| CN216160013U (en) | An adjustable automatic loading and unloading large mass weight calibration device | |
| CN111220254A (en) | Weight calibration machine | |
| CN113188643B (en) | Calibrating device of large-scale electronic hanging scale | |
| CN111307369A (en) | Rigid body moment of inertia measuring device | |
| CN214250938U (en) | Thread measuring mechanism | |
| CN222049579U (en) | Stress measurement deformation device | |
| CN211904394U (en) | Weight calibration machine | |
| CN216717838U (en) | Beddo check out test set | |
| CN218884912U (en) | Full-automatic gauge block comparator | |
| CN214224032U (en) | Detection device for hydraulic torque converter | |
| CN215678187U (en) | Full-automatic loading softening temperature and pressure creep tester | |
| CN207114323U (en) | A kind of multi-path pressure tester | |
| CN117300683A (en) | Shaft part clamp | |
| CN116045870A (en) | A fully automatic gauge block comparator | |
| CN222188529U (en) | An electronic scale verification and calibration device | |
| CN115647841A (en) | Complete production equipment for machining and detecting heavy wheel parts | |
| CN222671208U (en) | Weighing apparatus detection device | |
| CN208795355U (en) | A kind of jacking rotary weigher |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |