CN111337114A - High-precision electronic scale with overload protection function - Google Patents
High-precision electronic scale with overload protection function Download PDFInfo
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- CN111337114A CN111337114A CN202010196016.XA CN202010196016A CN111337114A CN 111337114 A CN111337114 A CN 111337114A CN 202010196016 A CN202010196016 A CN 202010196016A CN 111337114 A CN111337114 A CN 111337114A
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- electronic scale
- lifting
- main body
- overload protection
- plate
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/40—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups with provisions for indicating, recording, or computing price or other quantities dependent on the weight
- G01G19/413—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups with provisions for indicating, recording, or computing price or other quantities dependent on the weight using electromechanical or electronic computing means
- G01G19/414—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups with provisions for indicating, recording, or computing price or other quantities dependent on the weight using electromechanical or electronic computing means using electronic computing means only
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
- G01G23/005—Means for preventing overload
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- Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Cleaning In General (AREA)
Abstract
The invention relates to a high-precision electronic scale with an overload protection function, which comprises a main body, a supporting plate, a weighing mechanism and a cleaning mechanism, wherein the weighing mechanism comprises a lifting plate, a pressure sensor, two lifting rods, two springs and two supporting sleeves, the cleaning mechanism comprises a sliding rod, a sealing cylinder, a first pipeline, a second pipeline, two transmission rods, two piston blocks and at least two supporting bars.
Description
Technical Field
The invention relates to the field of weighing equipment, in particular to a high-precision electronic scale with an overload protection function.
Background
An electronic scale is a kind of weighing apparatus, and is a tool for measuring the mass of an object by using hooke's law or the principle of lever balance of force. According to the structural principle, the mechanical scale can be divided into three categories, namely a mechanical scale, an electronic scale and an electromechanical combination scale. The electronic balance is mainly composed of three parts of a bearing system (such as a scale pan and a scale body), a force transmission conversion system (such as a lever force transmission system and a sensor) and a value indicating system (such as a dial and an electronic display instrument).
When the electronic scale in the prior art is used, if a large amount of dust and sundries are accumulated on the electronic scale, the weighing precision of the electronic scale is influenced, and moreover, when the electronic scale in the prior art is used, if the weight of a weighed heavy object exceeds the rated value of the electronic scale, the electronic scale is damaged, and the failure rate of the electronic scale is increased.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, a high-precision electronic scale with an overload protection function is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: a high-precision electronic scale with an overload protection function comprises a main body and a supporting plate, wherein a cavity is formed in the main body, the high-precision electronic scale also comprises a weighing mechanism and a cleaning mechanism, the supporting plate is connected with the main body through the weighing mechanism, and the cleaning mechanism is arranged on the main body;
the weighing mechanism comprises a lifting plate, a pressure sensor, two lifting rods, two springs and two supporting sleeves, wherein the axis of each supporting sleeve is perpendicular to the plane of the corresponding supporting plate, the two supporting sleeves are respectively connected with the two ends of one side, close to the corresponding supporting plate, of the main body, the lifting rods and the supporting sleeves are coaxially arranged, the lifting rods penetrate through the supporting sleeves, the lifting rods are in sliding connection with the supporting sleeves, one ends of the lifting rods are fixedly connected with the corresponding supporting plate, the lifting plate is parallel to the corresponding supporting plate, the lifting plate is arranged between the corresponding supporting plate and the main body, the two ends of the lifting plate are respectively provided with a through hole, the two lifting rods penetrate through the lifting plate, the lifting plate is in sliding connection with the lifting rods, the pressure sensor is arranged between the corresponding supporting plate and the lifting plate, the pressure sensor is fixedly connected with the corresponding supporting plate, and, the lifting plate is fixedly connected with the support sleeve through a spring, and the spring is in a compressed state;
the cleaning mechanism comprises a sliding rod, a sealing cylinder, a first pipeline, a second pipeline, two transmission rods, two piston blocks and at least two support rods, the support rods are parallel to each other, each support rod is arranged on one side of the support plate far away from the main body, each support rod is provided with an air injection pipe between every two support rods, the second pipeline is arranged in the support plate, each air injection pipe is communicated with the second pipeline, one end of the first pipeline is communicated with the second pipeline, the sliding rod is parallel to the support plate, the sliding rod is arranged in the main body, the two ends of the sliding rod are fixedly connected with the inner wall of the main body, a through hole is formed in the piston blocks, the sliding rod penetrates through the piston blocks, one ends of the two lifting rods far away from the support plate are hinged with the two piston blocks through the transmission rods respectively, the sealing cylinder and the sliding rod are coaxially arranged, and the sliding, the inner wall fixed connection of sealed jar and main part, two piston blocks set up the inside at the both ends of sealed jar respectively, piston block and slide bar and sealed jar all slide and sealing connection, the other end of first pipeline communicates with the middle part of sealed jar.
Preferably, in order to improve the automation degree of the electronic scale, the main body is provided with a control panel, a PLC is arranged inside the control panel, the control panel is provided with a display screen and at least two control keys, and the display screen and the control keys are electrically connected with the PLC.
Preferably, in order to improve the sealing performance among the piston blocks, the sliding rod and the sealing cylinder, rubber blocks are arranged at the ends, close to each other, of the two piston blocks.
Preferably, in order to improve the dustproof performance of the gas ejector pipe, a dustproof net is arranged inside the gas ejector pipe.
Preferably, in order to reduce the probability that the piston blocks fall off from the inside of the sealing cylinder, the side, far away from each other, of each of the two piston blocks is provided with a limiting block, and the limiting blocks are fixedly connected with the sliding rods.
Preferably, the lifter is coated with grease in order to improve the smoothness of movement of the lifter.
Preferably, in order to improve the anti-skid performance of the supporting strip, the supporting strip is provided with anti-skid grains.
Preferably, the support plate is coated with an anti-corrosion coating in order to extend the service life of the support plate.
Preferably, in order to improve the sealing performance between the piston block and the sealing cylinder, the inner wall of the sealing cylinder is coated with sealing grease.
Preferably, in order to improve the sensitivity of the control key, the control key is a touch key.
The high-precision electronic scale with the overload protection function has the advantages that the overload protection function of the electronic scale is realized through the weighing mechanism, the fault rate of the electronic scale is reduced, compared with the existing weighing mechanism, the weighing mechanism supports operation through a pure mechanical structure, emergency operation of the mechanism is realized, the working reliability of the mechanism is improved, moreover, dust and sundries on the supporting plate can be cleaned through the cleaning mechanism, the weighing precision of the electronic scale is improved, compared with the existing cleaning mechanism, the cleaning mechanism provides power through the weighing mechanism, and the energy-saving performance of the mechanism is improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic diagram of a high precision electronic scale with overload protection according to the present invention;
FIG. 2 is a cross-sectional view of a high-precision electronic scale having an overload protection function according to the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is a schematic diagram of a connection structure of a piston block and a sealing cylinder of the high-precision electronic scale with overload protection function according to the present invention;
in the figure: 1. the device comprises a main body, 2 support bars, 3 support plates, 4 first pipelines, 5 pressure sensors, 6 lifting plates, 7 lifting rods, 8 springs, 9 sliding rods, 10 limiting blocks, 11 piston blocks, 12 sealing cylinders, 13 second pipelines, 14 support sleeves, 15 second pipelines, 16 gas injection pipes, 17 dust screens and 18 rubber blocks.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1, a high-precision electronic scale with overload protection function comprises a main body 1 and a support plate 3, wherein a cavity is arranged in the main body 1, the electronic scale further comprises a weighing mechanism and a cleaning mechanism, the support plate 3 is connected with the main body 1 through the weighing mechanism, and the cleaning mechanism is arranged on the main body 1;
the overload protection function of the electronic scale is realized through the weighing mechanism, the failure rate of the electronic scale is reduced, moreover, dust and sundries on the supporting plate 3 can be cleaned through the cleaning mechanism, and the weighing precision of the electronic scale is improved;
as shown in fig. 2, the weighing mechanism comprises a lifting plate 6, a pressure sensor 5, two lifting rods 7, two springs 8 and two support sleeves 14, wherein the axis of each support sleeve 14 is perpendicular to the plane of the support plate 3, the two support sleeves 14 are respectively connected with two ends of one side of the main body 1 close to the support plate 3, the lifting rods 7 and the support sleeves 14 are coaxially arranged, the lifting rods 7 penetrate through the support sleeves 14, the lifting rods 7 are slidably connected with the support sleeves 14, one end of each lifting rod 7 is fixedly connected with the support plate 3, the lifting plate 6 is parallel to the support plate 3, the lifting plate 6 is arranged between the support plate 3 and the main body 1, through holes are arranged at two ends of the lifting plate 6, the two lifting rods 7 penetrate through the lifting plate 6, the lifting plate 6 is slidably connected with the lifting rods 7, the pressure sensor 5 is arranged between the support plate 3 and the lifting plate 6, the pressure sensor 5 is fixedly connected with the support plate 3, the two springs 8 are respectively sleeved on the two lifting rods 7, the lifting plate 6 is fixedly connected with the support sleeve 14 through the springs 8, and the springs 8 are in a compressed state;
as shown in fig. 3-4, the cleaning mechanism includes a sliding rod 9, a sealing cylinder 12, a first pipe 4, a second pipe 15, two transmission rods 13, two piston blocks 11 and at least two support bars 2, each support bar 2 is parallel to each other, each support bar 2 is arranged on one side of the support plate 3 away from the main body 1, each support bar 2 is provided with an air injection pipe 16 between each two support bars, the second pipe 15 is arranged inside the support plate 3, each air injection pipe 16 is communicated with the second pipe 15, one end of the first pipe 4 is communicated with the second pipe 15, the sliding rod 9 is parallel to the support plate 3, the sliding rod 9 is arranged inside the main body 1, two ends of the sliding rod 9 are fixedly connected with the inner wall of the main body 1, a through hole is arranged inside the piston block 11, the sliding rod 9 passes through the piston block 11, one ends of the two lifting rods 7 away from the support plate 3 are hinged to the two piston blocks 11 through the transmission rods 13 respectively, the sealing cylinder 12 and the sliding rod 9 are coaxially arranged, the sliding rod 9 penetrates through the sealing cylinder 12, the sealing cylinder 12 is fixedly connected with the inner wall of the main body 1, the two piston blocks 11 are respectively arranged inside two ends of the sealing cylinder 12, the piston blocks 11, the sliding rod 9 and the sealing cylinder 12 are in sliding and sealing connection, and the other end of the first pipeline 4 is communicated with the middle of the sealing cylinder 12;
under the supporting action of the supporting sleeve 14, the stability of the supporting plate 3 is improved through the supporting rod 7, after a user places a heavy object on the supporting plate 3, the lifting rod 7 is driven to move downwards through the supporting plate 3, the two piston blocks 11 are driven to move close to each other along the sliding rods 9 through the two transmission rods 13, the springs 8 are compressed, when the elastic force of the springs 8 is equal to the gravity of the heavy object, the supporting plate 3 stops descending, at the moment, the weight of the heavy object can be detected through the pressure sensor 5, the weighing of the heavy object is realized, when the weight of the heavy object is greater than the rated value of the electronic scale, the two piston blocks 11 abut against each other, the lifting rod 7 stops descending, the supporting plate 3 is supported through the lifting rod 7, at the moment, the elastic force of the springs 8 is equal to the pressure received by the pressure sensor 5, and by selecting the springs 8 with different elastic coefficients, the elastic force, pressure sensor 5 just can not take place to damage, the fault rate of electronic scale has been reduced, when the user takes off the heavy object, then rise through spring 8 drive backup pad 3, the reseing of backup pad 3 has been realized, when the user places the heavy object on backup pad 3, through the heavy object, form the bar passageway between backup pad 3 and each support bar 2, backup pad 3 descends, make two piston blocks 11 be close to the removal each other, under piston block 11's effect, through the blowout of first pipeline 4 and second pipeline 15 with the inside air of sealed cylinder 12 through jet-propelled pipe 16 department, make the air current blow off from the bar passageway is inside, guide effect through the bar passageway, the velocity of flow of the inside air current of bar passageway has been improved, the clean effect of dust and debris on the backup pad 3 has been improved to the air current, then clean backup pad 3 through the air current, the precision of weighing of electronic scale has been improved.
Preferably, in order to improve the automation degree of the electronic scale, a control panel is arranged on the main body 1, a PLC is arranged inside the control panel, a display screen and at least two control keys are arranged on the control panel, and the display screen and the control keys are electrically connected with the PLC;
the PLC is a programmable logic controller, it adopts a kind of programmable memory, it is used for its internal storage program, implement logical operation, sequence control, timing, count and arithmetic operation, etc. and control various kinds of machinery or production process through digital or analog input/output, it is a computer specially used for industrial control, its hardware structure is basically the same as microcomputer, generally used for the processing of data and receiving and outputting of the order, used for realizing central control, the operating personnel sends the control signal to PLC through the control key, then control the operation of the electronic scale through PLC, can display the working condition of the electronic scale through the display screen at the same time, then has improved the automaticity of the electronic scale.
Preferably, in order to improve the sealing performance between the piston blocks 11 and the sliding rod 9 and the sealing cylinder 12, rubber blocks 18 are arranged at the ends, close to each other, of the two piston blocks 11;
the rubber block 18 not only improves the sealing performance between the piston blocks 11 and the sliding rod 9 and the sealing cylinder 12, but also reduces the impact force between the two piston blocks 11 under the buffer action of the rubber block 18 and slows down the abrasion speed of the piston blocks 11.
Preferably, in order to improve the dustproof performance of the gas lance 16, a dustproof net 17 is arranged inside the gas lance 16;
under the isolation action of the dustproof net 17, the probability that dust and sundries enter the air injection pipe 16 is reduced, and the dustproof performance of the air injection pipe 16 is improved.
Preferably, in order to reduce the probability that the piston blocks 11 fall off from the inside of the sealing cylinder 12, the side, far away from each other, of each of the two piston blocks 11 is provided with a limiting block 10, and the limiting blocks 10 are fixedly connected with the sliding rods 9;
the limit of the moving distance of the piston block 11 is realized by the limit action of the limit block 10, and the probability that the piston block 11 is separated from the inside of the sealing cylinder 12 is reduced.
Preferably, in order to improve the smoothness of the movement of the lifting rod 7, the lifting rod 7 is coated with grease;
the friction force between the lifting rod 7 and the support sleeve 14 is reduced through the lubricating grease, and the smoothness of the movement of the lifting rod 7 is improved.
Preferably, in order to improve the anti-skid performance of the support bar 2, anti-skid grains are arranged on the support bar 2;
the friction force between the support bar 2 and the heavy object is increased through the anti-skid grains, and the anti-skid performance of the support bar 2 is improved.
Preferably, in order to prolong the service life of the support plate 3, the support plate 3 is coated with an anti-corrosion coating;
the corrosion speed of the support plate 3 is slowed down through the anti-corrosion coating, and the service life of the support plate 3 is prolonged.
Preferably, in order to improve the sealing performance between the piston block 11 and the sealing cylinder 12, the inner wall of the sealing cylinder 12 is coated with sealing grease;
the clearance between the piston block 11 and the sealing cylinder 12 is reduced by the sealing grease, and the sealing performance between the piston block 11 and the sealing cylinder 12 is improved.
Preferably, in order to improve the sensitivity of the control key, the control key is a touch key.
When the weight of a heavy object is larger than the rated value of the electronic scale, the two piston blocks 11 are abutted against each other, the lifting rod 7 stops descending, the supporting plate 3 is supported by the lifting rod 7, the elastic force of the spring 8 is the same as the pressure borne by the pressure sensor 5, the elastic force of the spring 8 at the moment is smaller than the rated value of the pressure sensor 5 by selecting the springs 8 with different elastic coefficients, the pressure sensor 5 cannot be damaged, the failure rate of the electronic scale is reduced, when a user places the heavy object on the supporting plate 3, a strip-shaped channel is formed between the heavy object, the supporting plate 3 and each supporting bar 2, the supporting plate 3 descends to enable the two piston blocks 11 to move close to each other, and under the action of the piston blocks 11, air in the sealing cylinder 12 is ejected through the air ejecting pipe 16 through the first pipeline 4 and the second pipeline 15 to enable air flow to be blown out from the, through the guide effect of bar passageway, improved the velocity of flow of the inside air current of bar passageway, improved the clean effect of air current dust and debris in to backup pad 3, then cleaned backup pad 3 through the air current, improved the precision of weighing of electronic scale.
Compared with the prior art, in this high accuracy electronic scale with overload protection function, the overload protection function of electronic scale has been realized through weighing mechanism, the fault rate of electronic scale has been reduced, compare with current weighing mechanism, this weighing mechanism supports the operation through pure mechanical structure, the emergent operation of this mechanism has been realized, the reliability of this mechanism's work has been improved, moreover, can clean dust and debris in the backup pad 3 through clean mechanism, the precision that the electronic scale was weighed has been improved, compare with current clean mechanism, this clean mechanism provides power through weighing mechanism, the energy-conserving performance of this mechanism has been improved.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. A high-precision electronic scale with an overload protection function comprises a main body (1) and a supporting plate (3), wherein a cavity is formed in the main body (1), and the high-precision electronic scale is characterized by further comprising a weighing mechanism and a cleaning mechanism, wherein the supporting plate (3) is connected with the main body (1) through the weighing mechanism, and the cleaning mechanism is arranged on the main body (1);
the weighing mechanism comprises a lifting plate (6), a pressure sensor (5), two lifting rods (7), two springs (8) and two supporting sleeves (14), wherein the axis of each supporting sleeve (14) is perpendicular to the plane of the corresponding supporting plate (3), the two supporting sleeves (14) are respectively connected with two ends of one side, close to the corresponding supporting plate (3), of the main body (1), the lifting rods (7) and the supporting sleeves (14) are coaxially arranged, the lifting rods (7) penetrate through the supporting sleeves (14), the lifting rods (7) are in sliding connection with the supporting sleeves (14), one ends of the lifting rods (7) are fixedly connected with the corresponding supporting plates (3), the lifting plate (6) is parallel to the corresponding supporting plates (3), the lifting plate (6) is arranged between the corresponding supporting plates (3) and the main body (1), through holes are formed in two ends of the lifting plate (6), the two lifting rods (7) penetrate through the lifting plate (6), the lifting plate (6) is in sliding connection with the lifting rods (7), the pressure sensor (5) is arranged between the supporting plate (3) and the lifting plate (6), the pressure sensor (5) is fixedly connected with the supporting plate (3), the two springs (8) are respectively sleeved on the two lifting rods (7), the lifting plate (6) is fixedly connected with the supporting sleeve (14) through the springs (8), and the springs (8) are in a compressed state;
the cleaning mechanism comprises a sliding rod (9), a sealing cylinder (12), a first pipeline (4), a second pipeline (15), two transmission rods (13), two piston blocks (11) and at least two support bars (2), wherein the support bars (2) are parallel to each other, the support bars (2) are arranged on one side of the support plate (3) far away from the main body (1), each support bar (2) is provided with an air injection pipe (16) between every two support bars, the second pipeline (15) is arranged in the support plate (3), each air injection pipe (16) is communicated with the second pipeline (15), one end of the first pipeline (4) is communicated with the second pipeline (15), the sliding rod (9) is parallel to the support plate (3), the sliding rod (9) is arranged in the main body (1), two ends of the sliding rod (9) are fixedly connected with the inner wall of the main body (1), a through hole is arranged in the piston block (11), slide bar (9) pass piston block (11), and the one end of keeping away from backup pad (3) of two lifter (7) all is articulated with two piston blocks (11) respectively through transfer line (13), sealed jar (12) and the coaxial setting of slide bar (9), sealed jar (12) are passed in slide bar (9), the inner wall fixed connection of sealed jar (12) and main part (1), two piston blocks (11) set up the inside at the both ends of sealed jar (12) respectively, piston block (11) all slide and sealing connection with slide bar (9) and sealed jar (12), the other end of first pipeline (4) and the middle part intercommunication of sealed jar (12).
2. The high-precision electronic scale with overload protection function according to claim 1, wherein the main body (1) is provided with a control panel, the control panel is internally provided with a PLC, the control panel is provided with a display screen and at least two control keys, and the display screen and each control key are electrically connected with the PLC.
3. A high-precision electronic scale with overload protection according to claim 1, characterised in that the two piston blocks (11) are provided with rubber blocks (18) at their ends adjacent to each other.
4. The high-precision electronic scale with overload protection function according to claim 1, wherein the air nozzle (16) is internally provided with a dust screen (17).
5. The high-precision electronic scale with overload protection function according to claim 1, wherein the two piston blocks (11) are provided with a limiting block (10) at the sides far away from each other, and the limiting blocks (10) are fixedly connected with the sliding rod (9).
6. The high-precision electronic scale with overload protection function according to claim 1, wherein the lifting rod (7) is coated with grease.
7. The high-precision electronic scale with overload protection function according to claim 1, wherein the support bar (2) is provided with anti-skid veins.
8. The high-precision electronic scale with overload protection function according to claim 1, wherein the support plate (3) is coated with an anticorrosive coating.
9. The high-precision electronic scale with overload protection function according to claim 1, wherein the inner wall of the sealing cylinder (12) is coated with sealing grease.
10. The high-precision electronic scale with overload protection function according to claim 2, wherein the control button is a touch button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010196016.XA CN111337114A (en) | 2020-03-19 | 2020-03-19 | High-precision electronic scale with overload protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010196016.XA CN111337114A (en) | 2020-03-19 | 2020-03-19 | High-precision electronic scale with overload protection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111337114A true CN111337114A (en) | 2020-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010196016.XA Withdrawn CN111337114A (en) | 2020-03-19 | 2020-03-19 | High-precision electronic scale with overload protection function |
Country Status (1)
| Country | Link |
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| CN (1) | CN111337114A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114018476A (en) * | 2020-12-25 | 2022-02-08 | 南京乾利合科技有限责任公司 | Air suspension rotary frame of static balancing machine and air suspension static balancing machine |
| CN117775557A (en) * | 2024-02-27 | 2024-03-29 | 诸城市凯丰翊汽车科技有限公司 | Weighing device of garbage truck with detachable garbage compartment body and garbage truck |
| CN117775557B (en) * | 2024-02-27 | 2024-05-31 | 诸城市凯丰翊汽车科技有限公司 | Weighing device of garbage truck with detachable garbage compartment body and garbage truck |
-
2020
- 2020-03-19 CN CN202010196016.XA patent/CN111337114A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114018476A (en) * | 2020-12-25 | 2022-02-08 | 南京乾利合科技有限责任公司 | Air suspension rotary frame of static balancing machine and air suspension static balancing machine |
| CN117775557A (en) * | 2024-02-27 | 2024-03-29 | 诸城市凯丰翊汽车科技有限公司 | Weighing device of garbage truck with detachable garbage compartment body and garbage truck |
| CN117775557B (en) * | 2024-02-27 | 2024-05-31 | 诸城市凯丰翊汽车科技有限公司 | Weighing device of garbage truck with detachable garbage compartment body and garbage truck |
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Application publication date: 20200626 |
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| WW01 | Invention patent application withdrawn after publication |