CN112697245A - Portable wagon balance and storage method thereof - Google Patents
Portable wagon balance and storage method thereof Download PDFInfo
- Publication number
- CN112697245A CN112697245A CN202011509868.6A CN202011509868A CN112697245A CN 112697245 A CN112697245 A CN 112697245A CN 202011509868 A CN202011509868 A CN 202011509868A CN 112697245 A CN112697245 A CN 112697245A
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- Prior art keywords
- wagon balance
- box
- wagon
- portable
- weighbridge
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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
- G01G19/02—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing wheeled or rolling bodies, e.g. vehicles
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G21/00—Details of weighing apparatus
- G01G21/28—Frames, Housings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
- G01G23/06—Means for damping oscillations, e.g. of weigh beams
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- General Physics & Mathematics (AREA)
- Handcart (AREA)
Abstract
The invention discloses a portable wagon balance and a storage method thereof, which comprises a wagon balance box, wherein a solar cell panel is arranged at the top of the wagon balance box, a photovoltaic charge controller and a storage battery are arranged in the wagon balance box, four small wagon balances are arranged in a cavity on the right side in the wagon balance box, a display screen is arranged on the left side of the wagon balance box, and a plurality of damping devices are arranged at the bottom of the wagon balance box, the portable wagon balance is more flexible to use and more convenient to carry through the arranged small wagon balances, the portable wagon balance can work at an outdoor position far away from a circuit through the arrangement of the storage battery and the solar cell panel, the use is more convenient, the application range is wider, a storage device and a USB interface are used for storing and exporting weighing data, the data are convenient to arrange and check, the damping devices can weaken the influence of the vibration of the wagon balance box on parts in the box in the transfer process, the ripple dustproof shell can play the dustproof and waterproof effect when not influencing the shock attenuation effect.
Description
Technical Field
The invention relates to the technical field of weighbridges, in particular to a portable weighbridge and a storage method thereof.
Background
Weighbridges, also known as truck scales, are large scales placed on the ground, usually used to weigh the tons of a truck, and are the main weighing devices used by factories, mines, and merchants for measuring bulk goods; the weighbridge can be divided into the following parts according to the structure of the weighbridge body: i-shaped steel loadometer, T-shaped beam loadometer, L-shaped beam steel loadometer, U-shaped steel loadometer, channel steel loadometer and reinforced concrete loadometer; the sensor type can be divided into a digital wagon balance and an analog wagon balance.
The working principle of the wagon balance is as follows: the goods are fed into weighing table, under the action of gravity the elastic body of weighing sensor is elastically deformed, the impedance of strain gauge bridge circuit stuck on the elastic body is unbalanced, and an electric signal proportional to weight value is outputted, and then the electric signal is processed by electronic components of amplifier, A/D converter and microprocessor in the sensor to output digital signal, and then the digital signal is fed into weighing display instrument by means of relay to directly display the data of weight, etc. If the display instrument is connected with a computer and a printer, the instrument can simultaneously output weight signals to the computer and other equipment to form a complete weighing management system.
Present weighbridge is all to fix the bulky weighbridge in the road surface position, and the weighbridge is fixed connection because drawing slope and measuring device body, and the weighbridge is heavy, occupation space is big, and can't remove, and the dismouting is recycled and is worth lowly, and disposable input cost is high, brings inconvenience for the user, and prior art also has some miniature weighbridge, and the bottom four corners is equipped with four wheels, though can also realize the function of removing, but moves about easily when weighing, causes the shakiness of weighing.
Disclosure of Invention
The present invention is directed to a portable wagon balance and a method for storing the same, which solves the above problems.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a portable weighbridge, includes the weighbridge case, weighbridge roof portion is provided with solar cell panel, installs the photovoltaic charge controller in the weighbridge case, and solar cell panel passes through the photovoltaic charge controller to be connected with the input of charging of battery, and four little weighbridges have been put to weighbridge incasement right side cavity, and weighbridge case left side is provided with the display screen.
As a further scheme of the invention: the weighbridge box is internally provided with a processor, the output end of the processor is connected with the display screen, the output end of the processor is connected with a storage device, and a corresponding USB interface is arranged above the power switch.
As a further scheme of the invention: four connecting wires are arranged above the storage battery, four input interfaces are arranged below the display screen, and a power switch is arranged on one side of each input interface.
As a further scheme of the invention: four slide rails are fixedly connected to two sides of the inner wall of the cavity of the wagon box, a plurality of balls are rotatably connected in the slide rails, and a movable plate is movably connected above the slide rails.
As a further scheme of the invention: the movable plate is arranged on the small wagon balance, the wagon balance box front side is rotatably connected with the box door through the hinge, the box door is a double-opening door, the handle is fixedly connected onto the box door, and the lock catch is arranged on the box door.
As a further scheme of the invention: a plurality of damping devices are fixedly mounted at the bottom of the wagon box, a bottom plate is fixedly connected to the bottom of each damping device, universal wheels are mounted at the bottoms of four corners of the bottom plate, corrugated dustproof shells are fixedly mounted between the wagon box and the bottom plate, and the corrugated dustproof shells are mounted outside the damping devices.
As a further scheme of the invention: the damping device comprises an outer rod and an inner rod, the top end of the outer rod is fixedly connected with the bottom of the wagon balance box, the section of the inner rod is T-shaped, a damping spring I is sleeved outside the outer rod and the inner rod, a sliding cavity corresponding to the inner rod is arranged in the outer rod, a damping spring II is arranged in the sliding cavity, and the height of the damping spring II is smaller than that of the sliding cavity.
As a further scheme of the invention: the wagon balance box is characterized in that a hand push handle is fixedly connected to the right end of the wagon balance box, a heat dissipation fan is installed in the wagon balance box, a heat dissipation window is arranged in the position, corresponding to the heat dissipation fan, of the wagon balance box, and through holes are formed in the cavities of the wagon balance box and communicated with the heat dissipation window.
As a further scheme of the invention: little weighbridge includes weighbridge base, weighing sensor and weighing platform, and weighbridge base front side is provided with output interface, and weighing sensor passes through the connecting wire to be connected with the input of treater, and weighbridge base fixed mounting has the axis of rotation, rotates in the axis of rotation to be connected with the dwang, and the dwang other end passes through the axis of rotation to be connected with the rotation of guide slope, and guide slope top surface is provided with anti-skidding line, and guide slope bottom is cellular.
A method for storing a portable wagon balance comprises the following steps: step one, after the portable wagon balance is used, firstly, a power switch is pressed to turn off a power supply; step two, pulling down the four connecting wires and placing the connecting wires into a cavity above the left side of the wagon balance box; rotating the guide slope to be above the small wagon balance, pulling out the movable plate, placing the small wagon balance above the movable plate, pushing the movable plate into the cavity of the wagon balance box, and sequentially storing the four small wagon balances into the wagon balance box; step four, closing the box door and locking the lock catch; and step five, pushing the wagon balance box to a proper position through a hand-push handle, or pushing the wagon balance box to a vehicle for long-distance transfer and storage.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the portable wagon balance, the portable wagon balance is more flexible to use and more convenient to carry due to the arrangement of the small wagon balance.
2. The small wagon balance is accommodated through the wagon balance box, and is convenient to carry and transfer.
3. According to the portable wagon balance, the processor, the display screen, the weighing sensor and the cooling fan are powered by the storage battery and the solar panel, so that the portable wagon balance can work at a position far away from a circuit outdoors, the use is more convenient, and the application range is wider.
4. The portable wagon balance is simple and convenient to install, use or store through the arranged plug-in connecting wire.
5. The weighing data are stored and exported through the arranged storage device and the USB interface, so that the data can be conveniently sorted and accounted.
6. The heat dissipation efficiency of the wagon balance box can be improved through the arranged heat dissipation fan, and meanwhile, the wagon balance box can be ventilated.
7. Through the damping device who sets up can make the influence of the vibrations of weighbridge case at the transfer in-process to the part of incasement weaken, improve this portable weighbridge's life, and damping device is provided with the second grade shock attenuation, and the shock attenuation effect is better.
8. The corrugated dustproof shell provided by the invention can play a dustproof and waterproof role while not influencing the damping effect, so that the service life of the damping device is prolonged.
9. The movable plate is arranged to facilitate the small wagon balance to be taken and placed more conveniently, so that the small wagon balance is more labor-saving to use and store.
10. According to the invention, the guide slope and the wagon balance base are rotatably connected through the rotating rod, so that the small wagon balance is more convenient to use and better in integrity while being easy to store, the guide slope is not easy to shift, the stability of the small wagon balance is better, and the friction force between the small wagon balance and the ground is increased due to the honeycomb arrangement of the bottom of the guide slope, so that the small wagon balance is more stable in use.
Drawings
Fig. 1 is a schematic view of a portable wagon balance in a front view.
Fig. 2 is a schematic view of a portable wagon balance in an expanded configuration.
Fig. 3 is a schematic cross-sectional view of a portable wagon balance.
Fig. 4 is a schematic view of a compact wagon balance.
Fig. 5 is a schematic top view of the compact wagon balance.
Fig. 6 is a schematic view of the structure of the bottom of the guide slope.
Fig. 7 is a schematic view of the rotating rod structure.
Fig. 8 is an enlarged schematic view of a.
Fig. 9 is an enlarged structural diagram of B.
In the figure: the device comprises a wagon balance box 1, a solar cell panel 2, a photovoltaic charging controller 3, a storage battery 4, a small wagon balance 5, a display screen 6, a processor 7, an input interface 8, a power switch 9, a sliding rail 10, a ball 11, a movable plate 12, hinges 13, a box door 14, a handle 15, a damping device 16, a bottom plate 17, universal wheels 18, a corrugated dustproof shell 19, an outer rod 20, an inner rod 21, a damping spring I22, a sliding cavity 23, a damping spring II 24, a hand push handle 25, a heat dissipation fan 26, a heat dissipation window 27, a wagon balance base 28, a weighing sensor 29, a weighing platform 30, an output interface 31, a rotating shaft 32, a rotating rod 33, a guide slope 34, anti-skid threads 35, a USB interface 36, a lock catch 37, a connecting wire 38 and a storage device 39.
Detailed Description
Referring to fig. 1, 2, 3 and 8, in an embodiment of the present invention, a portable wagon balance includes a wagon balance case 1, a solar cell panel 2 is disposed on a top of the wagon balance case 1, a photovoltaic charge controller 3 is installed in the wagon balance case 1, the solar cell panel 2 is connected to a charge input end of a storage battery 4 through the photovoltaic charge controller 3, the photovoltaic charge controller 3 can control an output voltage of the solar cell panel 2, the storage battery 4 can be protected from being overcharged, and meanwhile, when the solar cell panel 2 does not generate electricity, the storage battery 4 is prevented from flowing backwards, the storage battery 4 and the solar cell panel 2 supply power to a processor 7, a display screen 6, a weighing sensor 29 and a cooling fan 26 to enable the portable wagon balance to work, so that the portable wagon balance can work at a position far away from a circuit outdoors, the use is more convenient, the application range is wider, four small wagon balances 5 are disposed in a right cavity in the wagon balance case 1, the portable wagon balance is characterized in that the wagon balance box 1 is used for accommodating the small wagon balance 5 to facilitate carrying and transferring, the portable wagon balance is more flexible to use due to the combined use of the small wagon balance 5, the portable wagon balance can be easily accommodated into the wagon balance box 1 to facilitate carrying, the display screen 6 is arranged on the left side of the wagon balance box 1, the processor 7 is installed in the wagon balance box 1, the output end of the processor 7 is connected with the display screen 6, the output end of the processor 7 is connected with the storage device 39, the corresponding USB interface 36 is arranged above the power switch 9 and can store and export weighing data to facilitate arrangement and accounting of workers, the four connecting wires 38 are arranged above the storage battery 4, the portable wagon balance is simple to install and use or accommodate due to the plug-in connecting wires 38 and is convenient to use, the four input interfaces 8 are arranged below the display screen 6, the power switch 9 is arranged on one side of the input interfaces 8, the two sides of the inner wall of the cavity of the wagon box 1 are fixedly connected with four slide rails 10, a plurality of balls 11 are rotationally connected in the slide rails 10, a movable plate 12 is movably connected above the slide rails 10, the small wagon balance 5 is arranged on the movable plate 12, so that the small wagon balance 5 can be more conveniently taken and placed, the small wagon balance 5 is more labor-saving to use and store, the front side of the wagon box 1 is rotationally connected with a box door 14 through a hinge 13, the box door 14 is a double-open type door, a handle 15 is fixedly connected on the box door 14, a lock catch 37 is arranged on the box door 14, a hand push handle 25 is fixedly connected at the right end of the wagon box 1, a heat dissipation fan 26 is arranged in the wagon box 1, heat dissipation windows 27 are arranged at positions corresponding to the heat dissipation fan 26 in the wagon box 1 to improve the heat dissipation efficiency of the wagon box 1, through holes are arranged between the cavities of the wagon box 1 and communicated with each other and the heat dissipation, guarantee that the storage environment in the weighbridge case 1 is good, make depositing that weighing sensor 29 can be better, improve its life, 1 bottom fixed mounting of weighbridge case has a plurality of damping device 16, can make the influence of the vibrations of weighbridge case 1 in the transfer process to the part of incasement weaken, improve this portable weighbridge's life, damping device 16 bottom fixedly connected with bottom plate 17, universal wheel 18 is all installed to bottom plate 17 four corners bottom, fixed mounting has ripple dust cover 19 between weighbridge case 1 and the bottom plate 17, ripple dust cover 19 is installed in the damping device 16 outside, can play dustproof and waterproof's effect when not influencing the shock attenuation effect, damping device 16's life has been improved.
Referring to fig. 8, the damping device 16 includes an outer rod 20 and an inner rod 21, the top end of the outer rod 20 is fixedly connected with the bottom of the wagon balance box 1, the cross section of the inner rod 21 is T-shaped, a damping spring i 22 is sleeved outside the outer rod 20 and the inner rod 21, a sliding cavity 23 corresponding to the inner rod 21 is arranged in the outer rod 20, a damping spring ii 24 is arranged in the sliding cavity 23, the height of the damping spring ii 24 is smaller than that of the sliding cavity 23, and the damping device 16 is provided with a secondary damping structure, so that the damping effect is better.
Referring to fig. 4, 5, 6, 7 and 9, the small wagon balance 5 includes a wagon balance base 28, a weighing sensor 29 and a weighing platform 30, an output interface 31 is disposed on the front side of the wagon balance base 28, the weighing sensor 29 is connected to the input end of the processor 7 through a connection line 38, a rotation shaft 32 is fixedly mounted on the wagon balance base 28, a rotation rod 33 is rotatably connected to the rotation shaft 32, the other end of the rotation rod 33 is rotatably connected to a guide slope 34 through the rotation shaft 32, the top surface of the guide slope 34 is provided with anti-slip patterns 35, so that the vehicle does not slip when entering the guide slope 34, the bottom of the guide slope 34 is cellular, the guide slope 34 is rotatably connected to the wagon balance base 288 through the rotation rod 33, so that the small wagon balance 5 is easy to store, and more convenient to use, and has better integrity, the guide slope 34 is more difficult to shift when being connected to the small wagon balance 5, and has better stability, and the bottom of the guide slope 34 is cellular arrangement also increases, the stability of the small wagon balance 5 in use is ensured.
It should be noted that, this portable weighbridge places little weighbridge 5 on the bottom surface when using, will guide slope 34 to expand, make its honeycomb face and ground contact, insert input interface 8 on weighbridge case 1 with connecting wire 28 one end, the other end is inserted on little weighbridge 5's output interface 31, turn on switch 9 and can weigh, weighing data can show on display screen 6, when using this portable weighbridge, can use a little weighbridge 5 alone to weigh article, also can use four little weighbridges 5 to weigh the vehicle simultaneously, only need when weighing the vehicle, put four little weighbridges 5 to the position that corresponds with the wheel, go the vehicle to four wheels be located weighing platform 30 can, and is convenient for use in a flexible way, also easily accomodate and carry.
A method for storing a portable wagon balance comprises the following steps: step one, after the portable wagon balance is used, firstly, a power switch 9 is pressed to turn off a power supply; step two, pulling down the four connecting wires 38 and placing the connecting wires into a cavity above the left side of the wagon box 1; step three, rotating the guide slope 34 to be above the small wagon balance 5, pulling out the movable plate 12, placing the small wagon balance 5 above the movable plate 12, pushing the movable plate 12 into the cavity of the wagon balance box 1, and sequentially containing the four small wagon balances 5 into the wagon balance box 1; step four, closing the box door 14 and locking the lock catch 37; and step five, pushing the wagon balance box 1 to a proper position through the hand push handle 25, or pushing the wagon balance box to a vehicle for long-distance transfer and storage.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (10)
1. The utility model provides a portable weighbridge, includes weighbridge case (1), its characterized in that, weighbridge case (1) top is provided with solar cell panel (2), installs photovoltaic charge controller (3) in weighbridge case (1), and solar cell panel (2) are connected with the input of charging of battery (4) through photovoltaic charge controller (3), and four little weighbridges (5) have been put to right side cavity in weighbridge case (1), and weighbridge case (1) left side is provided with display screen (6).
2. A portable wagon balance as claimed in claim 1, wherein the wagon balance box (1) is internally provided with a processor (7), the output end of the processor (7) is connected with the display screen (6), the output end of the processor (7) is connected with a storage device (39), and a corresponding USB interface (36) is arranged above the power switch (9).
3. A portable wagon balance as claimed in claim 1, wherein four connecting wires (38) are arranged above the storage battery (4), four input interfaces (8) are arranged below the display screen (6), and a power switch (9) is arranged on one side of each input interface (8).
4. The portable wagon balance as claimed in claim 1, wherein four slide rails (10) are fixedly connected to two sides of the inner wall of the cavity of the wagon balance box (1), a plurality of balls (11) are rotatably connected to the slide rails (10), and a movable plate (12) is movably connected to the upper portion of the slide rails (10).
5. A portable wagon balance as claimed in claim 1, wherein the small wagon balance (5) is arranged on the movable plate (12), the wagon balance box (1) is rotatably connected with a box door (14) at the front side through a hinge (13), the box door (14) is a double-opening type door, a handle (15) is fixedly connected to the box door (14), and a lock catch (37) is arranged on the box door (14).
6. A portable wagon balance as claimed in claim 1, wherein a plurality of shock absorbing devices (16) are fixedly mounted at the bottom of the wagon balance box (1), a bottom plate (17) is fixedly connected to the bottom of each shock absorbing device (16), universal wheels (18) are mounted at the bottoms of four corners of the bottom plate (17), a corrugated dustproof shell (19) is fixedly mounted between the wagon balance box (1) and the bottom plate (17), and the corrugated dustproof shell (19) is mounted on the outer side of each shock absorbing device (16).
7. The portable wagon balance as claimed in claim 1, wherein the damping device (16) comprises an outer rod (20) and an inner rod (21), the top end of the outer rod (20) is fixedly connected with the bottom of the wagon balance box (1), the cross section of the inner rod (21) is T-shaped, a damping spring I (22) is sleeved outside the outer rod (20) and the inner rod (21), a sliding cavity (23) corresponding to the inner rod (21) is arranged in the outer rod (20), a damping spring II (24) is arranged in the sliding cavity (23), and the height of the damping spring II (24) is smaller than that of the sliding cavity (23).
8. The portable wagon balance as claimed in claim 1, wherein a hand push handle (25) is fixedly connected to the right end of the wagon balance box (1), a heat dissipation fan (26) is installed in the wagon balance box (1), heat dissipation windows (27) are arranged at positions corresponding to the heat dissipation fan (26) in the wagon balance box (1), and through holes are formed between cavities of the wagon balance box (1) and communicated with each other and communicated with the heat dissipation windows (27).
9. The portable wagon balance of claim 1, wherein the small wagon balance (5) comprises a wagon balance base (28), a weighing sensor (29) and a weighing platform (30), an output interface (31) is arranged on the front side of the wagon balance base (28), the weighing sensor (29) is connected with the input end of the processor (7) through a connecting line (38), a rotating shaft (32) is fixedly mounted on the wagon balance base (28), a rotating rod (33) is rotatably connected to the rotating shaft (32), the other end of the rotating rod (33) is rotatably connected with a guide slope (34) through the rotating shaft (32), anti-skid threads (35) are arranged on the top surface of the guide slope (34), and the bottom of the guide slope (34) is cellular.
10. A method of stowing a portable wagon balance as claimed in any one of claims 1-9, comprising the steps of: step one, after the portable wagon balance is used, firstly, a power switch (9) is pressed to turn off the power supply; step two, pulling down the four connecting wires (38) and placing the connecting wires into a cavity above the left side of the wagon balance box (1); rotating the guide slope (34) to be above the small wagon balance (5), pulling out the movable plate (12), placing the small wagon balance (5) above the movable plate (12), pushing the movable plate (12) into a cavity of the wagon balance box (1), and sequentially accommodating the four small wagon balances (5) into the wagon balance box (1); step four, closing the box door (14) and locking the lock catch (37); and step five, pushing the wagon balance box (1) to a proper position through a hand-push handle (25), or pushing the wagon balance box to a vehicle for long-distance transfer storage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011509868.6A CN112697245A (en) | 2020-12-18 | 2020-12-18 | Portable wagon balance and storage method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011509868.6A CN112697245A (en) | 2020-12-18 | 2020-12-18 | Portable wagon balance and storage method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112697245A true CN112697245A (en) | 2021-04-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011509868.6A Pending CN112697245A (en) | 2020-12-18 | 2020-12-18 | Portable wagon balance and storage method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN112697245A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203191049U (en) * | 2013-04-23 | 2013-09-11 | 王业磊 | Portable wagon balance |
| CN106840335A (en) * | 2017-04-13 | 2017-06-13 | 崔宝刚 | Split type removable wagon weighing machine and the method weighed with it |
| CN206717814U (en) * | 2017-05-27 | 2017-12-08 | 福建省永正工程质量检测有限公司 | A kind of tool box for tunnel survey |
| CN209546113U (en) * | 2018-12-13 | 2019-10-25 | 张春燕 | A kind of traffic accident situ processing equipment case |
| CN209947042U (en) * | 2019-06-24 | 2020-01-14 | 太仓华淏信息科技有限公司 | Pipeline surveys early warning device |
| CN111044129A (en) * | 2019-12-11 | 2020-04-21 | 广西南宁扬迪称重设备有限公司 | Intelligent weighbridge |
| CN210783552U (en) * | 2019-03-25 | 2020-06-19 | 青岛惠尔节能科技有限公司 | Electric automatization control cabinet |
-
2020
- 2020-12-18 CN CN202011509868.6A patent/CN112697245A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203191049U (en) * | 2013-04-23 | 2013-09-11 | 王业磊 | Portable wagon balance |
| CN106840335A (en) * | 2017-04-13 | 2017-06-13 | 崔宝刚 | Split type removable wagon weighing machine and the method weighed with it |
| CN206717814U (en) * | 2017-05-27 | 2017-12-08 | 福建省永正工程质量检测有限公司 | A kind of tool box for tunnel survey |
| CN209546113U (en) * | 2018-12-13 | 2019-10-25 | 张春燕 | A kind of traffic accident situ processing equipment case |
| CN210783552U (en) * | 2019-03-25 | 2020-06-19 | 青岛惠尔节能科技有限公司 | Electric automatization control cabinet |
| CN209947042U (en) * | 2019-06-24 | 2020-01-14 | 太仓华淏信息科技有限公司 | Pipeline surveys early warning device |
| CN111044129A (en) * | 2019-12-11 | 2020-04-21 | 广西南宁扬迪称重设备有限公司 | Intelligent weighbridge |
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Application publication date: 20210423 |
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| RJ01 | Rejection of invention patent application after publication |