CN111174892A - Weight equipment for automatically loading and unloading calibration electronic weight scale and calibration method thereof - Google Patents
Weight equipment for automatically loading and unloading calibration electronic weight scale and calibration method thereof Download PDFInfo
- Publication number
- CN111174892A CN111174892A CN202010069799.5A CN202010069799A CN111174892A CN 111174892 A CN111174892 A CN 111174892A CN 202010069799 A CN202010069799 A CN 202010069799A CN 111174892 A CN111174892 A CN 111174892A
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- Prior art keywords
- weight
- guide rail
- bolt
- electronic
- weights
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
- G01G23/01—Testing or calibrating of weighing apparatus
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/10—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks
- B66F7/16—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by one or more hydraulic or pneumatic jacks
- B66F7/20—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by one or more hydraulic or pneumatic jacks by several jacks with means for maintaining the platforms horizontal during movement
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
Abstract
The invention discloses a weight device for automatically loading and unloading calibration electronic weight weigher and a calibration method thereof, wherein the device comprises a support, a guide rail vehicle, a lifting device, weight bolts, weight bolt hangers, a binding frame, a weighing plate, a connecting rod, a platform support and an electronic weight weigher, wherein the number of the support is four, so that four frames are formed; the two guide rails are arranged on the ground in parallel and in the four frames, the guide rail vehicle is arranged on the guide rails, the two lifting devices are vertically arranged on the chassis of the guide rail vehicle, and the two lifting devices bear a plurality of vertically stacked weights through the movable carrier plate; the electronic weight scale is arranged on the upper parts of the four brackets through the platform bracket, the electronic weight scale bears the weight scale plate and the connecting rod, and the middle part below the binding frame is provided with the weight bolt hanger; the top of the uppermost vertically stacked weight is connected to a weight bolt hanger in a hanging manner through a weight bolt; and adjacent weights are connected through small weight bolts. The device and the method are labor-saving and safe, achieve the aim of automatic detection and calibration, and save the carrying time.
Description
Technical Field
The invention relates to electronic weighing instrument weight equipment for calibration, in particular to electronic weighing instrument weight equipment for automatic loading and unloading calibration and a calibration method thereof.
Background
The existing electronic weighing apparatus or apparatus for calibration is as follows: the weight of the lock type metering weight, the rolling weighing weight special for metering detection, the lock type cast iron metering weight, the single-hook metering weight and the like is from 25Kg to 2000Kg, and the electronic weight balancer needs to move the weights one by one, so that the labor intensity is increased, the electronic weight balancer is slightly improper to operate, the electronic weight balancer can be impacted, and personnel injury is possibly caused. When the upper stroke and the lower stroke of the electronic weighing apparatus are calibrated to check the linearity of the electronic weighing apparatus, 10 points are generally checked, the electronic weighing apparatus needs to be respectively checked for 20 times in the upper stroke and the lower stroke, and if 10 times of calibration of the upper stroke and the lower stroke are required, 200 times of calibration are required, so that the labor intensity is increased, potential safety hazards exist, the work efficiency is delayed, and the calibration quality is unstable.
Various unstable factors exist in the inspection and calibration of the middle-sized and large-sized electronic weight scales by the existing inspection and calibration methods, so that enterprises and departments using the electronic weight scales and the inspection electronic weight scales desire a safe, reliable, convenient and practical inspection and advanced calibration method, and the calibrated electronic weight scale weight equipment meeting the requirements and the calibration method thereof are not reported.
Disclosure of Invention
Aiming at the defects of various unstable factors and the like in the inspection and calibration of medium and large electronic weighing machines in the prior art, the invention aims to provide a safe, reliable, convenient and practical weight device for automatically loading and unloading calibration of the electronic weighing machines and a calibration method thereof.
In order to solve the technical problems, the invention adopts the technical scheme that:
the invention relates to a weight device for automatically loading and unloading calibration of an electronic weight scale, which comprises four supports, a guide rail vehicle, a lifting device, a weight bolt hanger, a binding frame, a weighing plate, a connecting rod, a platform support and the electronic weight scale, wherein the four supports are vertically arranged on the ground to form four frames; the two guide rails are arranged on the ground in parallel and in four frames, the guide rail vehicle is arranged on the guide rails in a rolling manner through guide rail wheels, two lifting devices are vertically arranged on a chassis of the guide rail vehicle, a movable carrier plate is arranged on the two lifting devices, and the movable carrier plate bears a plurality of vertically stacked weights; the electronic weight scale is arranged on the upper parts of the four brackets through the platform bracket, the electronic weight scale bears the weight scale plate and the connecting rod, the lower ends of the two connecting rods of the weight scale plate and the connecting rod are fixed in a limiting way through the binding frame, and the middle part below the binding frame is provided with the weight bolt hanger; the top of the uppermost vertically stacked weight is connected to a weight bolt hanger in a hanging manner through a weight bolt; the bottom of the weight at the uppermost end is connected with the weights at the secondary upper end and other adjacent weights through small weight bolts.
Each weight is provided with three threaded holes, a central hole and three frustum-shaped inner holes, and the three threaded holes and the three frustum-shaped inner holes are uniformly distributed on a concentric circle at intervals; the upper end of the small weight bolt is frustum-shaped and is arranged in a frustum-shaped inner hole of the weight; the lower end of the small weight bolt is provided with a threaded column which is connected in three small weight bolt threaded holes of the next weight; the center hole of the weight at the top is connected with the weight bolt tool in a hanging way through the weight bolt.
The length of the small weight bolt satisfies: after all the weights are hung, a specified distance is reserved between every two adjacent weights.
The lifting device comprises a hydraulic cylinder body and a hydraulic cylinder piston rod, wherein the movable support plate is arranged at the bottom of the hydraulic cylinder body and follows the hydraulic cylinder body; the piston rod of the hydraulic cylinder extends out of the lower end of the hydraulic cylinder body and penetrates through the movable support plate to be installed on the chassis of the guide rail vehicle.
The plane formed by the central axes of the two lifting devices is vertical to the mutual plane formed by the central axes of the two brackets.
The invention also comprises four positioning guide rods, and the movable carrier plate is provided with holes which are in sliding fit with the positioning guide rods.
The guide rail vehicle comprises four guide rail wheels, two guide rail wheel supports, a guide rail vehicle chassis and two brake wrench bolts, wherein the two guide rail wheel supports are respectively arranged on two sides of the lower part of the guide rail vehicle chassis, two sides of each of the four guide rail wheels are respectively arranged on the two guide rail wheel supports through wheel shafts, and the brake wrench bolts are arranged between the guide rail wheels and the guide rail wheel supports.
The invention relates to a calibration method for calibrating weight equipment of an automatic loading and unloading calibration electronic weight scale, which comprises the following steps:
1) a plurality of weights are sequentially connected through small weight bolts and then vertically stacked on the movable carrier plate;
2) moving the guide rail vehicle to enable the center of the weight to be positioned right below the weight bolt hanging tool, and positioning in the horizontal direction through a brake wrench bolt;
3) starting a lifting device, lifting the uppermost weight to enable the uppermost weight to be hung on a weight bolt hanger through a weight bolt;
4) after all weights are hooked, the lifting device is started again to carry out lifting control according to the specified height, so that the weights are unloaded or loaded one by one according to the number, and the unloading or loading calibration of the weight equipment of the electronic weight balancer is completed.
The invention has the following beneficial effects and advantages:
1. by using the device and the method, the loading calibration is carried out for several times, the unloading calibration is carried out for several times, and the detected data is compared with the product technology of a weighing machine manufacturer to judge the quality of the product, so that the device and the method are labor-saving and safe, and the aim of automatic detection and calibration is fulfilled.
2. After the device and the method are used for detecting and calibrating, the weights are unloaded to the guide rail vehicle and pushed into a storehouse for storage and weight calibration, so that preparation is made for next detection and calibration of the weighing apparatus, and the transportation time is saved.
Drawings
FIG. 1 is a schematic structural diagram of an apparatus for automatically loading and unloading calibration of an electronic weight scale according to the present invention;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is a schematic view of a tenth weight according to the present invention;
FIG. 4 is a cross-sectional view B-B of FIG. 3;
FIG. 5 is a top view of FIG. 1;
FIG. 6 is a schematic view of the first to ninth weights of the present invention;
3 FIG. 3 7 3 is 3 a 3 cross 3- 3 sectional 3 view 3 A 3- 3 A 3 of 3 FIG. 3 6 3; 3
Fig. 8 is a schematic view of a connection structure of a ninth weight and a tenth weight in the present invention.
The device comprises a guide rail 1, a support 2, a guide rail wheel 3, a guide rail wheel support 4, a brake wrench bolt 5, a guide rail vehicle chassis 6, a hydraulic cylinder piston rod 7, a movable support plate 8, a hydraulic cylinder body 9, first to tenth weights 10 to 19, a first small weight bolt 20a, a second small weight bolt 20b, a weight bolt 21, a weight bolt hanger 22, a binding frame 23, a scale plate 24 and a connecting rod 24, a platform support 25, an electronic weight scale 26, a positioning guide rod 27 and a ground 28.
Detailed Description
The invention is further elucidated with reference to the accompanying drawings.
As shown in fig. 1-2 and 5, the weight device for automatically loading and unloading calibration electronic weight scale of the present invention comprises a support 2, a guide rail 1, a guide rail car, a lifting device, a weight bolt 21, a weight bolt hanger 22, a binding frame 23, a weighing plate and connecting rod 24, a platform support 25 and an electronic weight scale 26, wherein the support 2 is four, and is vertically installed on the ground to form a rectangular support frame; two guide rails 1 are arranged on the ground in parallel and between four brackets 2, a guide rail vehicle is arranged on the guide rails 1 through guide rail wheels 3 in a rolling manner, two lifting devices are vertically arranged on a guide rail vehicle chassis 6, a movable carrier plate is arranged on the two lifting devices, and a plurality of vertically stacked weights are borne by the movable carrier plate 8; the electronic weight scale 26 is arranged on the upper parts of the four brackets 2 through the platform bracket 25, the electronic weight scale 26 bears the weight plate and the connecting rod 24, the lower ends of the two connecting rods of the weight plate and the connecting rod 24 are limited and fixed through the binding frame 23, and the middle part below the binding frame 23 is provided with the weight bolt hanger 22; the top of the uppermost vertically stacked weight is connected to a weight bolt hanger 22 in a hanging manner through a weight bolt 21; the bottom of the uppermost weight is connected with the next upper weight and other adjacent weights through a small weight bolt 20.
As shown in fig. 3-4, each weight is provided with three threaded holes, a central hole and three frustum-shaped inner holes, and the three threaded holes and the three frustum-shaped inner holes are uniformly distributed on a concentric circle at intervals; the upper end of the small weight bolt 20 is frustum-shaped and is arranged in a frustum-shaped inner hole of the weight; the lower end of the small weight bolt 20 is provided with a threaded column which is connected in three small weight bolt threaded holes of the next weight; the center hole of the top weight is hung with a weight bolt 22 through a weight bolt 21, as shown in fig. 8; the length of the small weight bolt 20 satisfies: after all the weights are hung, a specified distance is reserved between every two adjacent weights.
As shown in fig. 1-2, the lifting device comprises a hydraulic cylinder 9 and a hydraulic cylinder piston rod 7, wherein a movable carrier plate 8 is mounted at the bottom of the hydraulic cylinder 9 and follows the hydraulic cylinder 9; the piston rod 7 of the hydraulic cylinder extends out from the lower end of the hydraulic cylinder body 9 and passes through the movable carrier plate 8 to be installed on the chassis 6 of the guide rail vehicle, and the plane formed by the central shafts of the two lifting devices is vertical to the plane formed by the central shafts of the two supports 2.
The lifting device is also provided with four positioning guide rods 27, and the movable carrier plate 8 is provided with holes which are in sliding fit with the positioning guide rods 27.
As shown in fig. 1-2, the guide rail vehicle comprises four guide rail wheels 3, two guide rail wheel supports 4, a guide rail vehicle chassis 6 and two brake wrench bolts 5, wherein the two guide rail wheel supports 4 are respectively installed on two sides of the lower part of the guide rail vehicle chassis 6, two sides of each of the four guide rail wheels 3 are respectively installed on the two guide rail wheel supports 4 through wheel shafts, and the brake wrench bolts 5 are arranged between the guide rail wheels 3 and the guide rail wheel supports 4.
In this embodiment, the guide rail vehicle is supported on a guide rail fixed on the ground in the support frame, and a shaft lever of the guide rail wheel is mounted on the guide rail wheel support. The brake wrench bolt is installed on the surface of the guide rail wheel support, the upper portion of the guide rail wheel support is fixedly connected with a guide rail vehicle chassis, the guide rail vehicle chassis is fixedly connected to the lower bottom surface of the piston rod, a movable carrier plate is placed on the back of the piston rod, the piston rod face is fixedly connected to the upper surface of the movable carrier plate, and a hole machined in the upper surface of the movable carrier plate is in sliding fit with the positioning guide rod. The lower part of the positioning guide rod is fixed on the chassis of the guide rail vehicle. The electronic weighing apparatus is characterized in that a platform support is fixedly mounted above the support, an electronic weighing apparatus is connected and mounted above the platform support, a weighing plate and a connecting rod are borne on the surface of the electronic weighing apparatus mounted above the platform support, the weighing plate and the connecting rod are bound to limit and fix the lower end of the connecting rod, and a weight bolt hanger is fixedly mounted in the middle of the lower portion of the binding frame. The weight bolt on the top of the weight is connected to the weight bolt hanging tool in a hanging manner. The threads on the weight bolt body are fixedly connected with a central threaded hole of the weight, and the small weight bolts are connected in threaded holes of the three small weight bolt holes of the weight through the threads of the three small weight bolt holes of the weight;
as shown in fig. 6-8, a plurality of small weights are connected with each other through small weight bolts, and the surfaces of two adjacent weights have a gap of 25mm when the weight bolts fixed by the connected weights apply upward tensile force.
The center threaded hole shape of the top weight, i.e. the tenth weight 19, is matched and fastened with the weight bolt, and can be hung on the weight bolt hanging tool, as shown in fig. 3-4.
The invention relates to a calibration method for calibrating weight equipment of an automatic loading and unloading calibration electronic weight scale, which comprises the following steps:
1) a plurality of weights are sequentially connected through small weight bolts and then vertically stacked on the movable carrier plate;
2) moving the guide rail vehicle to enable the center of the weight to be positioned right below the weight bolt hanging tool, and positioning in the horizontal direction through a brake wrench bolt 5;
3) starting a lifting device to lift the top weight to be hung on the weight bolt hanger 22 through a weight bolt;
4) after all weights are hooked, starting the pneumatic lifting device again to carry out lifting control according to the specified height, so that the weights are unloaded or loaded one by one according to the number, and the unloading or loading calibration of the weight equipment of the electronic weight scale is completed.
In the embodiment, 10 points are taken as an example for inspection, ten weights with the same structure and the same mass are needed, when the weight detecting device is applied, the first to the tenth weights are sequentially twisted into a series through small weight bolts and are placed at the center of the movable support plate of the guide rail car, the weights are aligned according to the positions of the small weight bolt matching holes, and the center of the weight bolt is required to be superposed with the diagonal intersection point of the movable support plate of the guide rail car;
pushing the mounted weight string group to the lower part of the platform support by the guide rail vehicle, wherein the center position of the weight bolt is aligned with the center position of the weight bolt hanger a little before; controlling a hydraulic cylinder body of the lifting device to be opened and to rise to a full range state, separating the front end of a piston rod of a hydraulic cylinder connected to the chassis of the guide rail vehicle from the hydraulic cylinder body on the movable support plate, and aligning the weight bolt to the position of the gap of the weight bolt hanger;
pushing the guide rail vehicle to enable the upper end of the weight bolt to enter the weight bolt hanging tool and be hung together; all the brake wrenches are screwed tightly by bolts, so that the guide rail vehicle is positioned;
the hydraulic cylinder body is controlled to move, the piston rod of the hydraulic cylinder body descends to the lowest end, and the movable support plate is enabled to be drawn close to the distance between the end part of the piston rod of the hydraulic cylinder and the fixedly connected chassis of the guide rail vehicle, so that the movable support plate is completely separated from the weights (all small weight bolt frustum shapes are completely in a stress state at the moment;
then, carrying out range unloading calibration, when calibrating according to 1/10 of the unloading, extending the piston rod of the hydraulic cylinder outwards, lifting the movable support plate to be attached to the bottom surface of the weight, and then lifting the movable support plate for 25mm, at the moment, the first weight 10 is separated from the pulling force of the small weight bolt in the vertical direction (the conical table of the small weight bolt is separated from the conical table-shaped inner hole of the second weight 11, does not apply force in the conical table-shaped inner hole of the second weight 11, and completely falls onto the movable support plate, at the moment, the electronic weight scale displays 9/10 of the range for recording;
next, the piston of the hydraulic cylinder lifts the movable support plate to be tightly attached to the bottom surface of the weight, and then the movable support plate is lifted by 25mm, so that the top surface of the first weight 10 supports the second weight 11, and at the moment, 2 weights are separated from the tension of the small weight bolt; the electronic weight scale displays 8/10 measuring range; sequentially recording display data of 8/10 range to 1/10 range in the mode;
next, the piston of the hydraulic cylinder lifts the movable carrier plate to be tightly attached to the bottom surface of the weight and then lifts the movable carrier plate by 25mm, so that the top surface of the ninth weight 18 supports the tenth weight 19, and at the moment, all 10 weights are separated from the tension of the small weight bolt; the electronic weight scale displays 0 full scale; and (6) clearing. And (6) recording.
The load shedding calibration is carried out above (note that the calibration site is kept unchanged), and the load calibration is carried out below.
10 weights carried by a piston of a hydraulic cylinder and a movable support plate are subjected to a descending instruction to 25mm, at the moment, a tenth weight 19 is connected to a weight bolt hanging tool in a hanging manner through a weight bolt, the top surface of the ninth weight 19 is separated from the bottom surface of the tenth weight 19, at the moment, 9 weights are still on the movable support plate, and the electronic weight scale displays 1/10 full range; recording;
next, the piston of the hydraulic cylinder and 9 weights borne by the movable carrier plate continue to descend to 25mm, at this time, the weights are hung on small weight bolts of the connected 3 weights, the bottom surfaces of the weights are separated from the lifting of the weights below, at this time, 8 weights are still on the movable carrier plate, and the electronic weight scale displays 2/10 full scale; recording;
continuing the operation in the mode until the last first weight 10 is completely hung, and sequentially recording display data of 2/10 range to 10/10 range;
the method is used for carrying out the operation, the loading calibration is carried out for 10 times, the unloading calibration is carried out for 10 times, the detected data is compared with the product technology of a weighing machine manufacturer to judge the quality of the product, the labor is saved, the safety is realized, and the aim of automatic detection calibration is fulfilled.
After the detection and calibration are finished, the weights are unloaded to the special guide rail vehicle and pushed into a storehouse for storage and weight verification, and preparation is made for next detection and calibration of the weighing apparatus.
Claims (8)
1. The utility model provides an automatic add uninstallation calibration electronic weight weighing apparatus weight equipment which characterized in that: the weight-balancing device comprises four supports, a guide rail vehicle, a lifting device, weight bolts, weight bolt hangers, a binding frame, a weighing plate, a connecting rod, a platform support and an electronic weight balancer, wherein the four supports are vertically arranged on the ground to form four frames; the two guide rails are arranged on the ground in parallel and in four frames, the guide rail vehicle is arranged on the guide rails in a rolling manner through guide rail wheels, two lifting devices are vertically arranged on a chassis of the guide rail vehicle, a movable carrier plate is arranged on the two lifting devices, and the movable carrier plate bears a plurality of vertically stacked weights; the electronic weight scale is arranged on the upper parts of the four brackets through the platform bracket, the electronic weight scale bears the weight scale plate and the connecting rod, the lower ends of the two connecting rods of the weight scale plate and the connecting rod are fixed in a limiting way through the binding frame, and the middle part below the binding frame is provided with the weight bolt hanger; the top of the uppermost vertically stacked weight is connected to a weight bolt hanger in a hanging manner through a weight bolt; the bottom of the weight at the uppermost end is connected with the weights at the secondary upper end and other adjacent weights through small weight bolts.
2. The automatic loading and unloading calibration electronic weight scale weight apparatus of claim 1, wherein: each weight is provided with three threaded holes, a central hole and three frustum-shaped inner holes, and the three threaded holes and the three frustum-shaped inner holes are uniformly distributed on a concentric circle at intervals; the upper end of the small weight bolt is frustum-shaped and is arranged in a frustum-shaped inner hole of the weight; the lower end of the small weight bolt is provided with a threaded column which is connected in three small weight bolt threaded holes of the next weight; the center hole of the weight at the top is connected with the weight bolt tool in a hanging way through the weight bolt.
3. The automatic loading and unloading calibration electronic weight scale weight apparatus of claim 1, wherein: the length of the small weight bolt satisfies: after all the weights are hung, a specified distance is reserved between every two adjacent weights.
4. The automatic loading and unloading calibration electronic weight scale weight apparatus of claim 1, wherein: the lifting device comprises a hydraulic cylinder body and a hydraulic cylinder piston rod, wherein the movable support plate is arranged at the bottom of the hydraulic cylinder body and follows the hydraulic cylinder body; the piston rod of the hydraulic cylinder extends out of the lower end of the hydraulic cylinder body and penetrates through the movable support plate to be installed on the chassis of the guide rail vehicle.
5. The automatic loading and unloading calibration electronic weight scale weight apparatus of claim 4, wherein: the plane formed by the central axes of the two lifting devices is vertical to the mutual plane formed by the central axes of the two brackets.
6. The automatic loading and unloading calibration electronic weight scale weight apparatus of claim 4, wherein: the movable carrier plate is provided with holes which are in sliding fit with the positioning guide rods.
7. The automatic loading and unloading calibration electronic weight scale weight apparatus of claim 1, wherein: the guide rail vehicle comprises four guide rail wheels, two guide rail wheel supports, a guide rail vehicle chassis and two brake wrench bolts, wherein the two guide rail wheel supports are respectively arranged on two sides of the lower part of the guide rail vehicle chassis, two sides of each of the four guide rail wheels are respectively arranged on the two guide rail wheel supports through wheel shafts, and the brake wrench bolts are arranged between the guide rail wheels and the guide rail wheel supports.
8. The method for calibrating a weight apparatus of an automatic loading and unloading calibration electronic weight scale according to claim 1, comprising the steps of:
1) a plurality of weights are sequentially connected through small weight bolts and then vertically stacked on the movable carrier plate;
2) moving the guide rail vehicle to enable the center of the weight to be positioned right below the weight bolt hanging tool, and positioning in the horizontal direction through a brake wrench bolt;
3) starting a lifting device, lifting the uppermost weight to enable the uppermost weight to be hung on a weight bolt hanger through a weight bolt;
4) after all weights are hooked, the lifting device is started again to carry out lifting control according to the specified height, so that the weights are unloaded or loaded one by one according to the number, and the unloading or loading calibration of the weight equipment of the electronic weight balancer is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010069799.5A CN111174892A (en) | 2020-01-21 | 2020-01-21 | Weight equipment for automatically loading and unloading calibration electronic weight scale and calibration method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010069799.5A CN111174892A (en) | 2020-01-21 | 2020-01-21 | Weight equipment for automatically loading and unloading calibration electronic weight scale and calibration method thereof |
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| CN111174892A true CN111174892A (en) | 2020-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010069799.5A Pending CN111174892A (en) | 2020-01-21 | 2020-01-21 | Weight equipment for automatically loading and unloading calibration electronic weight scale and calibration method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111413025A (en) * | 2020-05-22 | 2020-07-14 | 上海机动车检测认证技术研究中心有限公司 | Dynamic response calibrating device |
| CN115993294A (en) * | 2023-03-22 | 2023-04-21 | 深圳万测试验设备有限公司 | Multi-station high-temperature high-vacuum inflation durable creep test system |
-
2020
- 2020-01-21 CN CN202010069799.5A patent/CN111174892A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111413025A (en) * | 2020-05-22 | 2020-07-14 | 上海机动车检测认证技术研究中心有限公司 | Dynamic response calibrating device |
| CN115993294A (en) * | 2023-03-22 | 2023-04-21 | 深圳万测试验设备有限公司 | Multi-station high-temperature high-vacuum inflation durable creep test system |
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