CN108020312B - Nested formula electron hanging balance weight loading system - Google Patents
Nested formula electron hanging balance weight loading system Download PDFInfo
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- CN108020312B CN108020312B CN201711473490.7A CN201711473490A CN108020312B CN 108020312 B CN108020312 B CN 108020312B CN 201711473490 A CN201711473490 A CN 201711473490A CN 108020312 B CN108020312 B CN 108020312B
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- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
- G01G23/01—Testing or calibrating of weighing apparatus
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Abstract
The invention discloses a weight loading system of a nested electronic hanging scale, which comprises: the outer ring weight group, the inner ring weight group, the outer ring weight driving mechanism and the inner ring weight driving mechanism; the inner and outer ring weight groups are customized according to the detection requirements of the electronic hanging scale, and the loading effect of the weights of the electronic hanging scale is achieved by controlling the vertical displacement of the weight groups through the motor, so that the complex manual operation of the traditional loading mode is avoided, and the safety and the working efficiency are ensured simultaneously. Meanwhile, the inner ring weight group and the outer ring weight group are adopted, compared with the traditional single group of weights, more optional weight points are available, the safety of the weight mechanism is properly reduced, and the loading work efficiency is higher due to the simultaneous loading of the inner ring and the outer ring.
Description
Technical Field
The invention relates to a weight loading system, in particular to a weight loading system of a nested electronic hanging scale.
Background
At present, China mainly adopts standard weights or a 'substitution method' for detection of electronic hanging scales, and adopts a mode of manually connecting weights in series when a large-tonnage electronic hanging scale adopts the traditional standard weight for loading, and because the electronic hanging scale has a plurality of weight loading points in detection and the traditional weight has large volume, the weight loading difficulty is large, the potential safety hazard is large, and the detection precision is low; when the 'substitution method' is adopted for detection, the 'substitution method' has strict use requirements, if the particularity of detection is not fully noticed, the negligence of the necessary conditions is neglected, the adverse consequences are caused, and errors are brought to the detection result. Meanwhile, some electronic crane scale manufacturers can use a force measuring machine for detection, so that various errors often occur due to the fact that the difference between the calibration condition and the actual use working condition of the electronic crane scale leaving the factory is too large, the metering accuracy is affected, the source tracing cannot be effectively carried out, and the quantity value transmission reliability is affected.
Disclosure of Invention
In view of the above, the present invention provides a weight loading system for a nested electronic hanging scale, comprising: the outer ring weight group, the inner ring weight group, the outer ring weight driving mechanism and the inner ring weight driving mechanism;
the outer ring weight group comprises a plurality of outer ring weights which are stacked, and adjacent outer ring weights are connected in a hanging manner;
the inner ring weight group comprises a plurality of inner ring weights which are stacked, and adjacent inner ring weights are connected in a hanging manner;
the inner ring weight group is nested in the outer ring weight group, and the uppermost inner ring weight is connected with the hanging connecting mechanism; the outer ring weight group is connected with the hanging connecting mechanism through the inner ring weight group; the hanging connecting mechanism keeps the position unchanged;
the inner ring weight driving mechanism is used for supporting the inner ring weight group and driving the inner ring weight group to move up and down so as to realize the loading and unloading of the inner ring weight group;
the outer ring weight driving mechanism is used for supporting the outer ring weight group and driving the outer ring weight group to move up and down so as to realize the loading and unloading of the outer ring weight group.
Further, the inner ring weight driving mechanism comprises an inner ring support plate and an inner ring driving motor, wherein the inner ring support plate is arranged below the inner ring weight group and is used for supporting the inner ring weight group; the inner ring supporting plate moves up and down under the driving of the inner ring driving motor so as to realize the loading and unloading of the inner ring weight group.
Further, the outer ring weight driving mechanism comprises a supporting component and an outer ring driving motor, the supporting component is arranged below the outer ring weight group and used for supporting the outer ring weight group, and the supporting component moves up and down under the driving of the outer ring driving motor so as to realize the loading and unloading of the outer ring weight group.
Furthermore, the inner ring weight driving mechanism comprises an inner ring displacement measuring device, and the outer ring weight driving mechanism comprises an outer ring displacement measuring device;
the inner ring displacement measuring device is used for detecting position information of an inner ring weight group;
the outer ring displacement measuring device is used for detecting position information of an outer ring weight group.
And the control device is used for acquiring the target loading value, the position information of the inner ring weight group and the position information of the outer ring weight group, and outputting control signals to the inner ring driving motor and the outer ring driving motor according to the acquired target loading value, the position information of the inner ring weight group and the position information of the outer ring weight group.
Furthermore, the outer ring weight group comprises a plurality of middle layer outer ring weights with holes in the centers and a top layer outer ring weight, the center of the middle layer outer ring weight forms an accommodating cavity, and the inner ring weight is arranged in the accommodating cavity; a limiting hole is formed in the center of the top layer outer ring weight, and the aperture of the limiting hole is smaller than the diameter of the inner ring weight; and the hanging connecting mechanism penetrates through the limiting hole to be connected with the uppermost inner ring weight.
Furthermore, the device also comprises a rack, the outer ring weight driving mechanism is arranged on the rack, at least two outer ring driving motors are arranged on the rack, at least two supporting components are arranged on the outer ring weight group, and the outer ring driving motors are arranged on the outer side of the outer ring weight group.
Furthermore, each outer ring weight and each inner ring weight are provided with hasps; the adjacent outer ring weights are connected in a hanging manner through hasps; the adjacent inner ring weight pieces are connected through buckles.
Further, the weight of the outer ring weight is larger than that of the inner ring weight.
In conclusion, the invention provides a nested electronic hanging scale weight loading system, wherein the inner and outer ring weight groups are customized according to the detection requirements of the electronic hanging scale, and the up-and-down displacement of the weight groups is controlled by the motor to achieve the effect of loading the weights of the electronic hanging scale, so that the complicated manual operation of the traditional loading mode is avoided, and meanwhile, the safety and the working efficiency are ensured. Meanwhile, the inner ring weight group and the outer ring weight group are adopted, compared with the traditional single group of weights, more optional weight points are available, the safety of the weight mechanism is properly reduced, and the loading work efficiency is higher due to the simultaneous loading of the inner ring and the outer ring.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions and advantages of the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a block diagram of a nested electronic hanging scale weight loading system provided by the present invention;
FIG. 2 is a block diagram of the architecture of the system of the present invention;
fig. 3 is a PLC circuit connection diagram of the control device of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Example (b):
referring to fig. 1, the present invention provides a nested electronic hanging scale weight loading system, including: an outer ring weight group, an inner ring weight group, an outer ring weight driving mechanism 3, an inner ring weight driving mechanism 4 and a hanging connecting mechanism;
the outer ring weight group comprises a plurality of outer ring weights which are stacked, and adjacent outer ring weights are connected in a hanging manner;
the inner ring weight group comprises a plurality of inner ring weights 2 which are arranged in a stacked mode, and the adjacent inner ring weights 2 are connected in a hanging mode;
the inner ring weight group is nested in the outer ring weight group, and the uppermost inner ring weight 2 is connected with the hanging connecting mechanism; the outer ring weight group is connected with the hanging connecting mechanism through the inner ring weight group;
the inner ring weight driving mechanism 4 is used for supporting the inner ring weight group and driving the inner ring weight group to move up and down so as to realize the loading and unloading of the inner ring weight group;
the outer ring weight driving mechanism 3 is used for supporting the outer ring weight group and driving the outer ring weight group to move up and down so as to realize the loading and unloading of the outer ring weight group.
The hanging connecting mechanism keeps the position unchanged;
in particular: the hanging connecting mechanism keeps the position unchanged in the process of loading and unloading the inner ring weight group and/or the outer ring weight group.
Further, the inner ring weight driving mechanism 4 comprises an inner ring support plate 41 and an inner ring driving motor, wherein the inner ring support plate 41 is arranged below the inner ring weight group and is used for supporting the inner ring weight group; the inner ring support plate 41 moves up and down under the driving of the inner ring drive motor to realize the loading and unloading of the inner ring weight group.
Further, the outer ring weight driving mechanism 3 comprises a supporting component 31 and an outer ring driving motor, the supporting component 31 is arranged below the outer ring weight group and is used for supporting the outer ring weight group, and the supporting component 31 moves up and down under the driving of the outer ring driving motor so as to realize the loading and unloading of the outer ring weight group.
Further, the inner ring weight driving mechanism 4 comprises an inner ring displacement measuring device, and the outer ring weight driving mechanism 3 comprises an outer ring displacement measuring device;
the inner ring displacement measuring device is used for detecting position information of an inner ring weight group;
the outer ring displacement measuring device is used for detecting position information of an outer ring weight group.
And the control device is used for acquiring the target loading value, the position information of the inner ring weight group and the position information of the outer ring weight group, and outputting control signals to the inner ring driving motor and the outer ring driving motor according to the acquired target loading value, the position information of the inner ring weight group and the position information of the outer ring weight group.
Further, the outer ring weight comprises a plurality of middle-layer outer ring weights 11 and a top-layer outer ring weight 12 which are stacked and connected in series; the top layer outer ring weight 12 is positioned above the middle layer outer ring weight 11. Namely, the outer ring weight group comprises a plurality of middle ring weights 11 with central holes and a top ring weight 12, the center of the middle ring weights 11 forms a containing cavity, and the inner ring weights 2 are arranged in the containing cavity; and a limiting hole is formed in the center of the top layer outer ring weight 12, and the aperture of the limiting hole is smaller than the diameter of the inner ring weight 2.
The middle-layer outer ring weights 11 are not contacted with the inner ring weight groups.
As shown in fig. 1, the hanger connection mechanism includes a hanger 51 and a hanger arm 52; the hanging arm 52 penetrates through the limiting hole to be connected with the uppermost inner ring weight 2. The hook 51 is arranged at the upper end of the hanging arm 52, and the hook 51 is used for connecting an electronic hanging scale. Because the limiting hole of the top outer ring weight 12 is smaller than the diameter of the inner ring weight 2, when the outer ring weight group moves downwards, the top outer ring weight 12 cannot go beyond the inner ring weight group to continuously descend.
The hanging connecting mechanism keeps the position unchanged in the process of loading and unloading the inner ring weight group and/or the outer ring weight group. That is, the hook 51 and the hanging arm 52 are kept unchanged during the operation of the electronic hanging scale. Because only after the positions of the hook 51 and the hanging arm 52 are kept still, the weight loaded by the hanging arm can be stressed when the supporting plate descends.
Further, the outer ring weight driving mechanism 3 is arranged on the frame 6, at least two outer ring driving motors are arranged on the frame 6, at least two supporting components 31 are arranged on the outer ring weight group, and the outer ring driving motors are arranged on the outer side of the outer ring weight group.
In one embodiment, the number of the outer ring drive motors is at least three, the number of the support assemblies 31 is at least three, and the outer ring drive motors are evenly distributed on the outer side of the outer ring weight stack. Three outer lane driving motor reaches a balance more easily, and three outer lane driving motor adopts synchronous servo motor, and the rising descends and keeps the uniformity to avoid the weight to incline toward a direction effectively, the rocking of production, take to lean on the scheduling problem.
Furthermore, each outer ring weight and each inner ring weight 2 are provided with hasps; the adjacent outer ring weights are connected in a hanging manner through hasps; the adjacent inner ring weight 2 pieces are connected through a buckle.
Further, the weight of the outer ring weight is greater than the weight of the inner ring weight 2.
The working process of the invention is as follows:
the electronic hanging scale is connected with the weight group through the hanging connecting mechanism at the topmost end of the inner ring weight group, the outer ring weight group is supported by the outer ring driving mechanism in an initial state, the inner ring weight group is supported by the inner ring driving mechanism, and the electronic hanging scale is not stressed with the outer ring weight group and the inner ring weight group. The inner ring weight group and the outer ring weight group are respectively connected with a displacement measuring device, the inner ring displacement measuring device converts the vertical displacement of the weight support plate into an electric signal and outputs the electric signal to a control device, and the outer ring displacement measuring device converts the vertical displacement of the support component into an electric signal and outputs the electric signal to the control device. The control device receives an input weight target loading value, determines the current weight loading value according to the positions of the inner ring weight group and the outer ring weight group and compares the current weight loading value with the target loading value, calculates and outputs control signals to the outer ring driving motor and the inner ring driving motor, and controls the lifting of the inner ring weight and the outer ring weight so as to achieve the weight loading effect.
FIG. 2 is a block diagram of the architecture of the system of the present invention; fig. 3 is a PLC circuit connection diagram of the control device of the present invention. As shown in fig. 2 and 3. The system can be divided into three functional modules: the weight and connecting device comprises a main body mechanism of the weight and connecting device, an electric mechanism of the displacement sensor and driving device, a control device and an upper computer communication operating system; the displacement sensor comprises an outer ring displacement measuring device and an inner ring displacement measuring device. The control means is preferably a PLC.
As shown in figure 1, the weight group of the main body mechanism is divided into an inner ring weight group and an outer ring weight group which are respectively formed by connecting two groups of customized weights in series from top to bottom, the inner ring weights are nested in the outer ring weights in an internal and external nesting mode, and meanwhile, the uppermost weights of the inner ring weights are provided with a hanging connecting mechanism.
Use crossbeam elevator motor to link to each other electronic hanging scale with device main part mechanism through hanging coupling mechanism in the implementation, the lift electronic hanging scale reaches the height of loading zero point, by host computer PC end input target weight loading point, turn into inner and outer lane weight group target displacement value through the operation, compare with the current displacement signal that inner and outer lane weight group displacement sensor measurement transmitted back in the PLC controller, calculate and output control signal and give inner and outer lane driving motor, the lift of control inner and outer lane weight, in order to reach the loaded effect of weight.
The automatic loading system for the weights of the electronic hanging scale customizes the inner and outer ring weight groups according to the detection requirement of the electronic hanging scale, and achieves the effect of loading the weights of the electronic hanging scale by controlling the vertical displacement of the weight groups through the motor, thereby getting rid of the complicated manual operation of the traditional loading mode and simultaneously ensuring the safety and the working efficiency. Meanwhile, the inner ring weight group and the outer ring weight group are adopted, compared with the traditional single group of weights, more optional weight points are available, the safety of the weight mechanism is properly reduced, and the loading work efficiency is higher due to the simultaneous loading of the inner ring and the outer ring.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (8)
1. A nested formula electronic hanging balance weight loading system which characterized in that includes: the outer ring weight group, the inner ring weight group, the outer ring weight driving mechanism (3), the inner ring weight driving mechanism (4) and the hanging connecting mechanism;
the outer ring weight group comprises a plurality of outer ring weights which are stacked, and adjacent outer ring weights are connected in a hanging manner;
the inner ring weight group comprises a plurality of inner ring weights (2) which are arranged in a stacked mode, and the adjacent inner ring weights (2) are connected in a hanging mode;
the inner ring weight group is nested in the outer ring weight group, and the uppermost inner ring weight (2) is connected with the hanging connecting mechanism; the outer ring weight group is connected with the hanging connecting mechanism through the inner ring weight group; the hanging connecting mechanism keeps the position unchanged;
the inner ring weight driving mechanism (4) is used for supporting the inner ring weight group and driving the inner ring weight group to move up and down so as to realize the loading and unloading of the inner ring weight group;
the outer ring weight driving mechanism (3) is used for supporting the outer ring weight group and driving the outer ring weight group to move up and down so as to realize the loading and unloading of the outer ring weight group;
the outer ring weight group comprises a plurality of middle-layer outer ring weights (11) with central holes and a top-layer outer ring weight (12), the center of the middle-layer outer ring weight (11) forms an accommodating cavity, and the inner ring weights (2) are arranged in the accommodating cavity; a limiting hole is formed in the center of the top-layer outer ring weight (12), and the aperture of the limiting hole is smaller than the diameter of the inner ring weight (2); the hanging connecting mechanism penetrates through the limiting hole to be connected with the uppermost inner ring weight (2).
2. The nested electronic scale weight loading system of claim 1, wherein the inner ring weight drive mechanism (4) comprises an inner ring support plate (41) and an inner ring drive motor, the inner ring support plate (41) being disposed below the inner ring weight stack for supporting the inner ring weight stack; the inner ring support plate (41) moves up and down under the drive of the inner ring drive motor so as to realize the loading and unloading of the inner ring weight group.
3. The nested electronic hanging scale weight loading system according to claim 2, wherein the outer ring weight driving mechanism (3) comprises a supporting component (31) and an outer ring driving motor, the supporting component (31) is arranged below the outer ring weight group and is used for supporting the outer ring weight group, and the supporting component (31) moves up and down under the driving of the outer ring driving motor so as to realize the loading and unloading of the outer ring weight group.
4. The nested electronic hanging scale weight loading system of claim 3, wherein the inner ring weight drive mechanism (4) comprises an inner ring displacement measurement device and the outer ring weight drive mechanism (3) comprises an outer ring displacement measurement device;
the inner ring displacement measuring device is used for detecting position information of an inner ring weight group;
the outer ring displacement measuring device is used for detecting position information of an outer ring weight group.
5. The nested electronic scale weight loading system according to claim 4, further comprising a control device for acquiring a target loading value, inner ring weight set position information and outer ring weight set position information, and outputting control signals to the inner ring drive motors and the outer ring drive motors according to the acquired target loading value, inner ring weight set position information and outer ring weight set position information.
6. The nested electronic scale weight loading system of claim 3, further comprising a frame (6), the outer ring weight drive mechanism (3) being disposed on the frame (6), the outer ring drive motors being at least two, the support assemblies (31) being at least two, the outer ring drive motors being disposed outside of the outer ring weight stack.
7. The nested electronic hanging scale weight loading system of claim 1, wherein each of the outer ring weight and the inner ring weight (2) is provided with a hasp; the adjacent outer ring weights are connected in a hanging manner through hasps; the adjacent inner ring weights (2) are connected through a hasp.
8. The nested electronic hanging scale weight loading system of claim 1, wherein the outer ring weight has a weight greater than the weight of the inner ring weight (2).
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| CN201711473490.7A CN108020312B (en) | 2017-12-29 | 2017-12-29 | Nested formula electron hanging balance weight loading system |
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| CN201711473490.7A CN108020312B (en) | 2017-12-29 | 2017-12-29 | Nested formula electron hanging balance weight loading system |
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| CN108020312B true CN108020312B (en) | 2020-07-07 |
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| CN111044216B (en) * | 2019-12-31 | 2020-09-25 | 江苏省计量科学研究院(江苏省能源计量数据中心) | Dead weight formula force standard machine weight on-spot weighing device |
| CN113324640B (en) * | 2021-05-07 | 2023-01-13 | 陕西省计量科学研究院 | Minimum discriminating force detection device and method for large electronic hanging scale |
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