CN218994516U - Servo-driven hopper scale calibrating device - Google Patents
Servo-driven hopper scale calibrating device Download PDFInfo
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- CN218994516U CN218994516U CN202223277572.3U CN202223277572U CN218994516U CN 218994516 U CN218994516 U CN 218994516U CN 202223277572 U CN202223277572 U CN 202223277572U CN 218994516 U CN218994516 U CN 218994516U
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- 229910000831 Steel Inorganic materials 0.000 claims description 34
- 239000010959 steel Substances 0.000 claims description 34
- 239000003638 chemical reducing agent Substances 0.000 claims description 17
- 238000000034 method Methods 0.000 abstract description 6
- 238000005303 weighing Methods 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model relates to a servo-driven hopper scale calibrating device, and belongs to the technical field of calibrating equipment. The hopper scale is a hoisting hopper scale, and the calibrating device comprises a servo loader; a plurality of servo loaders are uniformly distributed around the hopper of the hopper scale at intervals, and the servo loaders are connected with the edge of a feed inlet of the hopper through flexible connecting parts; the servo loader applies a downward pulling force to the hopper to apply a load to the hopper. The calibrating device is simple in structure, convenient to use on site and simple in installing and calibrating process.
Description
Technical Field
The utility model relates to a servo-driven hopper scale calibrating device, and belongs to the technical field of calibrating equipment.
Background
Hopper scales are widely used in various industries such as mining, concrete production and the like, and the accuracy of weighing has a critical influence on production. However, the weighing accuracy of the hopper scale is continuously reduced with use, so that the hopper scale must be calibrated regularly to ensure the weighing accuracy.
At present, the hopper scale is calibrated mainly through standard weights, a plurality of weighing amounts are needed to be selected in the process, the load of the hopper scale is increased from zero to the maximum weighing amount in sequence by manually adding the weights in sequence, and then the load is decreased to zero in the same method. The total weight of the weight to be carried for calibrating the single hopper scale can reach more than 3 tons, and the calibration time can reach more than 30 minutes, so that the normal production work is greatly influenced.
Aiming at the problem of long calibration time of hopper scales by adopting weights, the Chinese patent application document with publication number of CN106768254A discloses a hopper scale calibration device and a calibration method thereof, but the calibration device has a complex structure and cannot be directly used in a production field. In addition, chinese patent application document with publication number CN202166472U discloses an automatic calibration device for hopper scales, which loads by mechanical jack without using weight, and has simple operation. But the device has low automation degree and low load loading precision; the whole device has a complex structure, and the hopper below are required to be correspondingly modified, so that the device cannot be directly used on a production site.
Disclosure of Invention
In view of the above, in order to solve the technical problems that the existing hopper scale calibration device has a complex structure and is inconvenient to use in a production field, the utility model aims to provide a servo-driven hopper scale calibration device which has a simple structure, is convenient to use in the field and has simple installation and calibration processes.
In order to achieve the purpose of the utility model, the following technical scheme is provided.
A servo-driven hopper scale calibration device, wherein the hopper scale is a hoisting hopper scale, and the calibration device comprises a servo loader;
a plurality of servo loaders are uniformly distributed around the hopper of the hopper scale at intervals, and the servo loaders are connected with the edge of a feed inlet of the hopper through flexible connecting parts; the servo loader applies a downward pulling force to the hopper to apply a load to the hopper.
Further, the servo loader comprises a sensor B, a servo electric cylinder, a servo motor and a speed reducer; the servo motor is arranged on a speed reducer, the speed reducer is arranged on a servo electric cylinder, and a sensor B is arranged on the servo electric cylinder; the power output end of the servo motor is connected with a speed reducer, and the output end of the speed reducer is connected with a servo electric cylinder.
Further, a servo motor and a speed reducer arranged below the servo motor are arranged on one side of the servo motor cylinder.
Further, a rotary hanging ring is arranged on the sensor B, and the rotary hanging ring is connected with one end of the steel rope through a connecting buckle; the other end of the steel rope is connected with the edge of the feed inlet of the hopper through a connecting buckle.
Further, a connecting steel plate is welded at the position where the edge of the feed inlet of the hopper is connected with the connecting buckle, and the other end of the steel rope is connected with a through hole on the connecting steel plate through the connecting buckle.
Further, the servo loader is fixed around the hopper through a limiting steel plate, and the limiting steel plate is fixed on the ground.
Advantageous effects
(1) The utility model provides a servo-driven hopper scale calibration device, which applies load to a hopper through servo loaders uniformly distributed around the hopper at intervals, and the load replaces the weight of a standard weight, so that the calibration of the hopper scale is realized, the weight is not needed, and the manpower and material resources required by the calibration are saved.
(2) The utility model provides a servo-driven hopper scale calibration device, which is connected with a servo loader and a hopper through connecting buckles and steel ropes, so that the loaded load can be transferred to the hopper.
(3) The utility model provides a servo-driven hopper scale calibration device, which can realize the connection with a servo loader only by welding a connecting steel plate at the edge of a feed inlet of a hopper; therefore, the utility model can be directly used by only slightly modifying the hopper scale without affecting the field production.
(4) The utility model provides a servo-driven hopper scale calibration device, which realizes the fixation of a servo loader through a limiting steel plate, is rapid and simple to install, has little reconstruction of a hopper scale using site, and basically does not influence on site production work.
Drawings
Fig. 1 is a schematic structural diagram of the servo-driven hopper scale calibration device.
FIG. 2 is a schematic diagram of the servo loader.
Fig. 3 is a schematic view of a welded structure of the connecting steel plates at the hopper.
Fig. 4 is a schematic structural diagram of a display screen.
The device comprises a 1-hopper weighing sensor A, a 2-double-head screw, a 3-connecting buckle, a 4-steel rope, a 5-servo loader, a 6-hopper, a 7-data transmission line, an 8-controller, a 51-rotating lifting ring, a 52-sensor B, a 53-servo electric cylinder, a 54-servo motor, a 55-speed reducer, a 56-limiting steel plate, a 61-connecting steel plate and a 81-display screen.
Detailed Description
The utility model is further described below with reference to the drawings and the detailed description.
Example 1
As shown in fig. 1, a servo-driven hopper scale calibration device, wherein the hopper scale is a hoisting hopper scale, and the calibration device comprises a servo loader 5;
the hopper 6 of the hopper scale is hoisted in the air through a plurality of double-headed screws 2 which are arranged according to the requirement, and each double-headed screw 2 is provided with a hopper weighing sensor A1;
the servo loader 5 applies a downward pulling force to the hopper 6 to apply a load to the hopper 6.
The utility model uses the servo loader 5 to check the downward pulling force of the hopper 6 instead of the weight of the standard weight, which is convenient and quick, and operators can load or unload the servo loader 5 according to the field conditions, so that the calibration work is simpler, time-saving and labor-saving.
The servo loader 5 comprises a sensor B52, a servo electric cylinder 53, a servo motor 54 and a speed reducer 55; the servo motor 54 is arranged on the speed reducer 55, the speed reducer 55 is arranged on the servo electric cylinder 53, the servo electric cylinder 53 is used for transmission, no power source is contained, the power output end of the servo motor 54 is connected with the speed reducer 55, the output end of the speed reducer 55 is connected with the servo electric cylinder 53, namely, the power output by the servo motor 54 is transmitted to the servo electric cylinder 53 after being decelerated by the speed reducer 55, and the servo electric cylinder 53 is driven to stretch.
In this embodiment, the servo motor 54 is arranged in parallel on one side of the servo cylinder 53, and the decelerator 55 is arranged under the servo motor 54 in a stacked manner, so that the structure is compact and the installation is convenient.
The servo cylinder 53 is provided with a sensor B52, and the sensor B52 is used for detecting a load value applied by the servo cylinder 53.
The sensor B52 is provided with a rotary hanging ring 51, and the rotary hanging ring 51 is connected with one end of the steel rope 4 through a connecting buckle 3; the other end of the steel rope 4 is connected with the edge of the feed inlet of the hopper 6 through the connecting buckle 3, so that the servo loader 5 is connected with the hopper 6.
In this embodiment, a connecting steel plate 61 is symmetrically welded at the edge of the feed inlet of the hopper 6, and the other end of the steel rope 4 is connected with a through hole on the connecting steel plate 61 through a connecting buckle 3.
The servo loader 5 is fixed on two opposite sides of the hopper 6 by a limiting steel plate 56, wherein the limiting steel plate 56 is fixed on the ground, i.e. the limiting steel plate 56 is positioned below the connecting steel plate 61.
The working process of the servo-driven hopper scale calibrating device is as follows:
(1) Pushing the servo loader 5 into the limit steel plate 56 for fixing;
(2) One end of the steel rope 4 is connected with a rotary hanging ring 51 on the servo loader 5 by using a connecting buckle 3, and then the other end of the steel rope 4 is connected with a through hole in a connecting steel plate 61 on the hopper 6 by using the connecting buckle 3;
(3) Determining a weighing value to be calibrated of the hopper 6;
(4) Applying a corresponding load to the hopper 6 by the servo loader 5, the load value being measured by the sensor 52;
(5) Unloading to 0 after loading of each weighing to be calibrated is completed, recording the actual value of each weighing to be calibrated (i.e. the load value measured by the sensor 52) and the display value of the hopper scale (i.e. the value measured by the hopper load sensor A1), determining the accuracy of the hopper 6 and completing calibration.
Example 2
On the basis of embodiment 1, the servo-driven hopper scale calibration device provided in this embodiment further includes a controller 8, and a display screen 81 mounted on the controller 8;
the servo motor 54 is connected with the controller 8 through the data transmission line 7, so that the controller 8 can control the servo motor 54 to apply load to the hopper 6, and the servo loader 5 displays the applied load value by the display screen 81.
The utility model includes, but is not limited to, the above embodiments, any equivalent or partial modification made under the principle of the spirit of the utility model, shall be considered as being within the scope of the utility model.
Claims (6)
1. A servo-driven's hopper balance calibrating device, hopper balance is hoist and mount formula hopper balance, its characterized in that: the calibration device comprises a servo loader (5);
a plurality of servo loaders (5) are uniformly distributed around a hopper (6) of the hopper scale at intervals, and the servo loaders (5) are connected with the edge of a feed inlet of the hopper (6) through flexible connecting parts; the servo loader (5) applies a downward pulling force to the hopper (6) to apply a load to the hopper (6).
2. A servo-driven hopper scale calibration apparatus as claimed in claim 1 wherein: the servo loader (5) comprises a sensor B (52), a servo electric cylinder (53), a servo motor (54) and a speed reducer (55); the servo electric cylinder (53) is provided with a sensor B (52); the power output end of the servo motor (54) is connected with a speed reducer (55), and the output end of the speed reducer (55) is connected with a servo electric cylinder (53).
3. A servo-driven hopper scale calibration apparatus as claimed in claim 2 wherein: a servo motor (54) is arranged on one side of the servo cylinder (53), and a speed reducer (55) is arranged below the servo motor (54) in a stacked manner.
4. A servo-driven hopper scale calibration apparatus as claimed in claim 2 or claim 3 wherein: a rotary hanging ring (51) is arranged on the sensor B (52), and the rotary hanging ring (51) is connected with one end of the steel rope (4) through a connecting buckle (3); the other end of the steel rope (4) is connected with the edge of the feed inlet of the hopper (6) through the connecting buckle (3).
5. The servo-driven hopper scale calibration apparatus of claim 4, wherein: a connecting steel plate (61) is welded at the position where the edge of the feed inlet of the hopper (6) is connected with the connecting buckle (3), and the other end of the steel rope (4) is connected with a through hole on the connecting steel plate (61) through the connecting buckle (3).
6. A servo-driven hopper scale calibration apparatus according to any one of claims 1 to 3, wherein: the servo loader (5) is fixed around the hopper (6) through a limiting steel plate (56), and the limiting steel plate (56) is fixed on the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223277572.3U CN218994516U (en) | 2022-12-07 | 2022-12-07 | Servo-driven hopper scale calibrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223277572.3U CN218994516U (en) | 2022-12-07 | 2022-12-07 | Servo-driven hopper scale calibrating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218994516U true CN218994516U (en) | 2023-05-09 |
Family
ID=86222240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223277572.3U Active CN218994516U (en) | 2022-12-07 | 2022-12-07 | Servo-driven hopper scale calibrating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218994516U (en) |
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2022
- 2022-12-07 CN CN202223277572.3U patent/CN218994516U/en active Active
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