CN218833437U - Electric control device applied to crushing equipment - Google Patents
Electric control device applied to crushing equipment Download PDFInfo
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- CN218833437U CN218833437U CN202223446747.9U CN202223446747U CN218833437U CN 218833437 U CN218833437 U CN 218833437U CN 202223446747 U CN202223446747 U CN 202223446747U CN 218833437 U CN218833437 U CN 218833437U
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- carbon dioxide
- electric control
- liquid carbon
- control device
- control cabinet
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Abstract
The utility model provides a be applied to crushing apparatus's electrically controlled device, temperature information and smoke information through temperature sensor and the automatically controlled cabinet of smoke transducer monitoring and with acquisition signal feedback to PLC control panel, then PLC control panel control liquid carbon dioxide is through the shower nozzle blowout of returning the venturi tube, spun liquid carbon dioxide gasifies in the twinkling of an eye under high temperature, thereby produce the cooling action and put out a fire, in addition, can also reduce the oxygen concentration in the automatically controlled cabinet, thereby utilize the effect of suffocating to realize putting out a fire, and there is not the dust in the automatically controlled cabinet after putting out a fire, it is lower to electrical apparatus spare part damage, the staff of being convenient for maintains and overhauls, the PLC control panel still can realize returning the reciprocal positive and negative gyration swing of venturi tube through control gear motor, thereby improve spraying and the gasification range of liquid carbon dioxide, improve the diffusion efficiency of carbon dioxide gas, make carbon dioxide can be filled in the automatically controlled cabinet in the short time, the efficiency of putting out a fire and the quality of putting out a fire in the automatically controlled cabinet have been improved.
Description
Technical Field
The utility model relates to an electrically controlled device technical field especially relates to a be applied to crushing apparatus's electrically controlled device.
Background
The crushing equipment is one of the most power-consuming equipments in the feed mill, and in order to achieve the maximum operation efficiency of the crushing equipment, the higher product quantity can be obtained by consuming electricity per degree on the premise of ensuring the basic quality of the crushed products to reach the standard. How to match the motor load of the crushing equipment with the feeding speed, that is, how to realize high-efficiency operation of the motor in rated load by adjusting the feeding speed of the powder along with the equipment becomes a problem to be solved urgently.
At present, generally use electrically controlled device to control the motor, current electrically controlled device mainly comprises parts such as rack, circuit breaker, contactor, the hot component, a button, the pilot lamp, the wire casing, the slide, the electric wire, but current electrically controlled device is when the load is too big or the heat is out of control to catch fire, alarm device through setting up reminds the staff under general condition, then pick up outside fire extinguisher by the staff and put out the fire source inside the electrically controlled device, wherein, start to the staff from alarm device and react, a large amount of time may be wasted in the middle of this, thereby can't accomplish to control the intensity of a fire inside the electrically controlled device in the very first time that catches fire, and then make the intensity of a fire stretch to electrically controlled device's outside, finally lead to causing damage to electrically controlled device and device on every side.
SUMMERY OF THE UTILITY MODEL
In view of the above prior art's shortcoming, the utility model aims to provide an be applied to crushing apparatus's electrically controlled device for solve among the prior art electrically controlled device fire extinguishing efficiency low and can't put out the fire source the very first time on fire, thereby destroy electrically controlled device's problem.
In order to achieve the above objects and other related objects, the present invention provides an electric control device for a pulverizing apparatus, the electric control device including:
an electric control cabinet;
the power supply assembly is arranged in the electric control cabinet;
the temperature sensor is arranged in the electric control cabinet;
the smoke sensor is arranged in the electric control cabinet;
a liquid carbon dioxide pumping unit, wherein a spray head of the liquid carbon dioxide pumping unit is arranged in the electric control cabinet, and the spray head is positioned above the power supply assembly;
and the controller is communicated with the temperature sensor, the smoke sensor and the liquid carbon dioxide pumping unit, and controls the on-off state of the liquid carbon dioxide pumping unit by acquiring the information of the temperature sensor and the smoke sensor.
Optionally, the liquid carbon dioxide pumping unit includes a liquid carbon dioxide storage tank, and a delivery pump and a switch valve connected to the liquid carbon dioxide storage tank, wherein an input end of the delivery pump is connected to a liquid outlet of the liquid carbon dioxide storage tank, an output end of the delivery pump is fixedly connected to the switch valve, and the switch valve is communicated with the spray head.
Optionally, the spray head of the liquid carbon dioxide pumping unit is arranged on a return pipe, and the return pipe comprises a plurality of spray heads arranged at uniform intervals.
Optionally, the electric control device further comprises a speed reduction motor and a reciprocating rotary structure connected with the speed reduction motor, the reciprocating rotary structure is connected with the pipe in a shape of a Chinese character 'hui', wherein the speed reduction motor is fixedly connected to the outer wall of the electric control cabinet, and the reciprocating rotary structure is fixed in the upper space of the electric control cabinet.
Optionally, the reciprocating rotary structure comprises a rotary disc, a cross rack arm and a convex column, wherein the rotary disc is connected with the output end of the speed reduction motor, the cross rack arm is provided with a straight slot and a tooth slot and is slidably mounted on the outer side of the rotary disc, the convex column is located at the top end of the rotary disc, and the convex column penetrates through the straight slot; two ends of the return pipe are respectively rotatably connected with the electric control cabinet through a rotating shaft, a driven gear is mounted on one side of the rotating shaft, and the driven gear is meshed with the tooth grooves.
Optionally, the controller comprises a PLC control panel.
Optionally, a partition panel located above the power supply assembly and below the nozzle of the liquid carbon dioxide pumping unit is arranged in the electric control cabinet, and heat dissipation fans with downward air outlets are arranged at two ends of the partition panel.
Optionally, the heat dissipation fan is in communication with the controller.
Optionally, the power supply assembly comprises a phase loss protector, a circuit breaker, a fuse, a transformer and a relay.
Optionally, the electric control device has a sealing door plate, and the sealing door plate is hinged to a side surface of the electric control cabinet.
As above, the utility model discloses an be applied to reducing mechanism's electrically controlled device has following beneficial effect: through temperature sensor, smoke transducer detects temperature and smog information in the automatically controlled cabinet and feeds back to PLC control panel in real time, then send into liquid carbon dioxide in the venturi tube through PLC control panel control liquid carbon dioxide pumping module, and make liquid carbon dioxide pass through the shower nozzle blowout, spun liquid carbon dioxide becomes the gaseous state under the effect of high temperature in the twinkling of an eye, the process of gasification is the heat absorption process thereby produce the cooling action and put out a fire, in addition carbon dioxide can also reduce the oxygen concentration in the automatically controlled cabinet inside, thereby produce the effect of suffocating and put out a fire, and there is not the dust in the automatically controlled cabinet after putting out a fire, it is lower to electrical apparatus spare part damage, be convenient for the maintenance and the maintenance in staff later stage, PLC control panel still can go the reciprocal positive and negative gyration swing of controlling the venturi tube through controlling gear motor, thereby can improve spraying and the gasification range of liquid carbon dioxide, improve the diffusion efficiency of carbon dioxide gas, make carbon dioxide can fill in the automatically controlled cabinet in the short time, improve the efficiency of putting out a fire and the quality of putting out a fire in the automatically controlled cabinet, the security of electrically controlled device is improved.
Drawings
Fig. 1 is a schematic view of the sectional structure of the electric control device applied to the crushing apparatus according to the present invention.
Fig. 2 shows the side view schematic structure of the electric control device applied to the crushing apparatus of the present invention.
Fig. 3 is an enlarged schematic view of a structure in fig. 1.
Fig. 4 shows a schematic side view structure of the cross rack arm of the electric control device applied to the crushing apparatus of the present invention.
Description of the element reference numerals
1. Base seat
2. Electric control cabinet
201. Temperature sensor
202. Smoke sensor
3. Sealing door plate
4 PLC control panel
5. Switching power supply
6. Phase-loss protector
7. Circuit breaker
8. Fuse protector
9. Transformer
10. Relay device
11. Partition panel
12. Heat radiation fan
13. Liquid carbon dioxide storage tank
14. Delivery pump
15. Switch valve
16. Rotating shaft
1601. Driven gear
17. Return pipe
1701. Spray head
18. Speed reducing motor
19. Rotary disc
1901. Convex column
20. Cross rack arm
2001. Tooth socket
2002. Straight groove
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
Please refer to fig. 1 to 4. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, for example, "in 8230, above" in 8230, on the upper surface "above" and the like, the spatial position relationship between one device or feature and other devices or features shown in the drawings is described, which is only for the sake of clarity of description, and is not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be considered as the scope of the present invention without substantial changes in the technical content.
In the present invention, unless otherwise explicitly stated, terms such as "assembled", "connected" and "connected" should be understood in a broad sense, for example, they may be fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The terms "first", "second", "third", and the like are used to define the components, and are used only for the convenience of distinguishing the components, and unless otherwise stated, the terms do not have any special meaning, and therefore, the scope of the present invention should not be construed as being limited.
As shown in fig. 1 and 2, the utility model provides an be applied to crushing apparatus's electrically controlled device, electrically controlled device includes:
an electric control cabinet 2;
a power supply assembly disposed within the electrical cabinet 2;
the temperature sensor 201 is arranged in the electric control cabinet 2;
a smoke sensor 202, wherein the smoke sensor 202 is arranged in the electric control cabinet 2;
a liquid carbon dioxide pumping unit, a spray head 1701 of which is disposed within the electric control cabinet 2, and the spray head 1701 being located above the power supply assembly;
and the controller is communicated with the temperature sensor 201, the smoke sensor 202 and the liquid carbon dioxide pumping unit, and controls the on-off state of the liquid carbon dioxide pumping unit by acquiring the information of the temperature sensor 201 and the smoke sensor 202.
As an example, the liquid carbon dioxide pumping unit includes a liquid carbon dioxide storage tank, and a delivery pump and a switch valve connected to the liquid carbon dioxide storage tank, where an input end of the delivery pump is connected to a liquid outlet of the liquid carbon dioxide storage tank, an output end of the delivery pump is fixedly connected to the switch valve, and the switch valve is communicated with the spray head.
Specifically, as shown in fig. 1, in order to extinguish a fire in the first time when the electric control cabinet 2 is on fire, a liquid carbon dioxide pumping unit needs to be arranged in the electric control cabinet 2, and in this embodiment, the liquid carbon dioxide pumping unit is arranged in the upper space of the electric control cabinet 2 and located at the top of the electric control cabinet 2. Optionally, the spray head of the liquid carbon dioxide pumping unit is arranged on a loop pipe, and the loop pipe comprises a plurality of spray heads arranged at regular intervals, and the loop pipe 17 can improve the diffusion efficiency of carbon dioxide. The liquid carbon dioxide pumping unit comprises a liquid carbon dioxide storage tank 13, a delivery pump 14 and a switch valve 15, wherein the liquid carbon dioxide storage tank 13 is used for storing a certain amount of liquid carbon dioxide, an input end of the delivery pump 14 is connected with a liquid outlet of the liquid carbon dioxide storage tank 13, an output end of the delivery pump 14 is fixedly connected with the switch valve 15, and a bottom end of the switch valve 15 is fixedly connected with a liquid inlet of the loop pipe 17, so that the delivery pump 14 and the switch valve 15 can be opened in the first time of fire, the liquid carbon dioxide in the liquid carbon dioxide storage tank 13 can enter the loop pipe 17 through a hose, and the bottom end of the loop pipe 17 is provided with a plurality of spray heads 1701, and the spray heads 1701 are uniformly spaced, so that the liquid carbon dioxide can be sprayed out through the spray heads 1701. The sprayed liquid carbon dioxide is instantly changed into a gas state under the action of high temperature, and the gasification process is a heat absorption process, so that the temperature in the electric control cabinet 2 can be reduced, in addition, the oxygen concentration around or inside the electric control cabinet 2 can be greatly reduced due to the existence of the carbon dioxide, and the fire extinguishing function is realized due to the suffocation effect, namely, the sprayed liquid carbon dioxide extinguishes fire by virtue of the suffocation effect and the cooling effect.
As an example, the electric control device further comprises a speed reducing motor 18 and a reciprocating rotary structure connected with the speed reducing motor 18, and the reciprocating rotary structure is connected with the return pipe 17, wherein the speed reducing motor 18 is fixedly connected to the outer wall of the electric control cabinet 2, and the reciprocating rotary structure is fixed in the upper space of the electric control cabinet 2
Specifically, as shown in fig. 1, in this embodiment, the electric control device includes a base 1 and an electric control cabinet 2 disposed on the base 1, a partition board 11 is disposed in the electric control cabinet 2, two ends of the partition board 11 are respectively fixedly connected to an inner wall of the electric control cabinet 2, and the partition board 11 divides the electric control cabinet 2 into an upper space and a lower space, wherein a power supply assembly is mainly disposed in the lower space, the power supply assembly includes a phase-lack protector 6, a circuit breaker 7, a fuse 8, a transformer 9 and a relay 10, the power supply assembly provides stable power supply for electrical components in the crushing apparatus to ensure power supply stability of the crushing apparatus, and in addition, the electric control device further includes a speed-reducing motor 18 and a reciprocating rotary structure, wherein the speed-reducing motor 18 is disposed on an outer wall of the upper space of the electric control cabinet 2 and is fixedly connected to an outer wall of the electric control cabinet 2, the reciprocating rotary structure is disposed in the upper space of the electric control cabinet 2, and the reciprocating rotary structure is connected to an output end of the motor 2 for driving the rotary shaft 16 to rotate.
As an example, the reciprocating rotary structure includes a rotary disc 19, a cross rack arm 20 and a convex column 1901, wherein the rotary disc 19 is connected to an output end of the speed reduction motor 18, the cross rack arm 20 is provided with a straight slot 2002 and a tooth slot 2001 and is slidably mounted on an outer side of the rotary disc 19, the convex column 1901 is located at a top end of the rotary disc 19, and the convex column 1901 passes through the straight slot 2002.
Specifically, as shown in fig. 3 and 4, in this embodiment, the reciprocating structure includes a turntable 19, a cross rack arm 20, and a protruding column 1901, wherein the turntable 19 is connected to an output end of the reduction motor 18 so that the reduction motor 18 can drive the turntable 19 to perform a rotation motion, the cross rack arm 20 is mounted on an outer side of the turntable 19 and is slidably connected to the electric control cabinet 2, the cross rack arm 20 is composed of two portions, namely a straight slot 2002 and a tooth slot 2001, a protruding column 1901 is further disposed at a top end of the turntable 19, and the protruding column 1901 passes through the straight slot 2002 of the cross rack arm 20, since the reduction motor 18 can drive the turntable 19 to perform a rotation motion, the rotation motion of the turntable 18 can be converted into a reciprocating lifting motion of the cross rack arm 20 through the protruding column 1901, and since the tooth slot 2001 is disposed on the cross rack arm 20, and the tooth slot 2001 is engaged with a driven gear 1601 of the rotating shaft 16, thereby achieving a rotation of the rotating shaft 16.
As an example, two ends of the loop pipe 17 are respectively rotatably connected to the electric control cabinet 2 through a rotating shaft 16, a driven gear 1601 is mounted on one side of the rotating shaft 16, and the driven gear 1601 is engaged with the tooth socket 2002.
As shown in fig. 1 and 3, the loop pipe 17 is rotatably connected to the rotating shaft 16, the rotating shaft 16 is fixed to inner walls of two sides of the electric control cabinet 2, a driven gear 1601 is installed at one side of the rotating shaft 16, and the driven gear 1061 is engaged with a tooth socket 2002 on the cross rack arm 20, so that under the action of the gear motor 18, the reciprocating up-down motion of the cross rack arm 20 can drive the driven gear 1601 to move, and further the reciprocating forward-backward rotation of the loop pipe 17 is realized, and the reciprocating forward-backward rotation swing of the loop pipe 17 can improve the spraying and gasification range of liquid carbon dioxide, thereby improving the diffusion efficiency of carbon dioxide gas and realizing a better fire extinguishing effect.
As an example, a temperature sensor 201 and a smoke sensor 202 are arranged in the electric control cabinet 2.
Specifically, as shown in fig. 1, in this embodiment, in order to improve the control accuracy of the temperature and the sensing accuracy of the smoke, a temperature sensor 201 and a smoke sensor 202 are provided in the electric cabinet 2, the temperature sensor 201 and the smoke sensor 202 are provided in the lower space of the electric cabinet 2 and are disposed near the power supply unit, the temperature in the electric cabinet 2 is monitored by the temperature sensor 201, the temperature lowering device is turned on according to the monitoring result, the smoke information in the electric cabinet 2 is monitored by the smoke sensor 202, and the temperature lowering device is turned on when the smoke sensor 202 detects a sharp rise in the smoke value. Of course, the number of the temperature sensors 201 and the smoke sensors 202 may be more than one, and may be specifically set according to actual needs, which is not limited herein.
As an example, the inside of the electric control cabinet 2 is provided with a partition plate 11 above the power supply assembly and below the spray head 1701 of the liquid carbon dioxide pumping unit, and both ends of the partition plate 11 are provided with heat dissipation fans 12 having air outlets facing downward.
Specifically, as shown in fig. 1, in this embodiment, at least two heat dissipation fans 12 are disposed at two ends of the partition board 11, and the air outlets of the heat dissipation fans 12 face downward, and the heat dissipation fans 12 are located below the return pipe 17, so as to blow the carbon dioxide sprayed from the return pipe 17 to the lower half space of the electric control cabinet 2 after being gasified, thereby achieving better fire extinguishing quality.
Further, as shown in fig. 1, a controller is further disposed in the electric control cabinet 2, the controller includes a PLC control panel 4, the PLC control panel 4 may be implemented by a product in the prior art, such as a PLC chip, and corresponding control is implemented through programming, specifically, the PLC control panel 4 controls the on-off states of the liquid carbon dioxide pumping assembly, the speed reduction motor 18, and the heat dissipation fan 12, and meanwhile, the input end of the temperature sensor 201 and the input end of the smoke sensor 202 are electrically connected to the PLC control panel 4 so as to receive signals of the temperature sensor 201 and the smoke sensor 202. In this way, when the temperature sensor 201 detects that the temperature value is greatly increased and the smoke sensor 202 detects smoke information, the temperature sensor 201 and the smoke sensor 202 send the collected signals to the PLC control panel 4, then the PLC control panel 4 starts the delivery pump 14, the switch valve 15, and starts the operation of the speed reduction motor 18 and the heat dissipation fan 12, so that the liquid carbon dioxide in the liquid carbon dioxide storage tank 13 is sent to the return pipe 17 through the switch valve 15 and the retractable hose, and finally the liquid carbon dioxide is sprayed out through the spray nozzle 1701, so that the electric control cabinet 2 is filled with the carbon dioxide in a short time, thereby achieving high-efficiency and high-quality fire extinguishing.
To sum up, the utility model discloses be applied to crushing apparatus's electrically controlled device, detect the temperature information in the automatically controlled cabinet and give PLC control panel with above-mentioned acquisition signal feedback through smoke transducer through the smoke information in the temperature sensor detection automatically controlled cabinet, then send into liquid carbon dioxide to the return venturi tube through PLC control panel control liquid carbon dioxide pumping module, and make liquid carbon dioxide pass through the shower nozzle blowout, spun liquid carbon dioxide becomes the gaseous state under the effect of high temperature in the twinkling of an eye, the process of gasification is the heat absorption process and thereby produces the cooling action and put out a fire, in addition carbon dioxide can also reduce the oxygen concentration in the automatically controlled cabinet, thereby produce the effect of suffocating and realize putting out a fire, and no dust in the automatically controlled cabinet after putting out a fire, it is lower to electrical apparatus spare part damage, be convenient for the maintenance and the maintenance in staff later stage, PLC control panel still can go to control the reciprocal gyration swing of return venturi tube through control gear motor, thereby can improve spraying and gasification scope of liquid carbon dioxide, improve the diffusion efficiency of carbon dioxide gas, make carbon dioxide can fill in the automatically controlled cabinet in the short time, improve fire extinguishing efficiency and quality in the automatically controlled cabinet, improve extinguishing device's security. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. An electric control device applied to a crushing plant, characterized in that it comprises at least:
an electric control cabinet;
a power supply assembly disposed within the electrical control cabinet;
the temperature sensor is arranged in the electric control cabinet;
the smoke sensor is arranged in the electric control cabinet;
a liquid carbon dioxide pumping unit, wherein a spray head of the liquid carbon dioxide pumping unit is arranged in the electric control cabinet, and the spray head is positioned above the power supply assembly;
and the controller is communicated with the temperature sensor, the smoke sensor and the liquid carbon dioxide pumping unit, and controls the on-off state of the liquid carbon dioxide pumping unit by acquiring the information of the temperature sensor and the smoke sensor.
2. The electrical control device according to claim 1, characterized in that: the liquid carbon dioxide pumping unit comprises a liquid carbon dioxide storage tank, a delivery pump and a switch valve, wherein the delivery pump and the switch valve are connected with the liquid carbon dioxide storage tank, the input end of the delivery pump is connected with the liquid outlet of the liquid carbon dioxide storage tank, the output end of the delivery pump is fixedly connected with the switch valve, and the switch valve is communicated with the spray head.
3. The electrical control device according to claim 1, characterized in that: the spray heads of the liquid carbon dioxide pumping unit are arranged on the return pipe, and the return pipe comprises a plurality of spray heads which are uniformly arranged at intervals.
4. An electric control device according to claim 3, characterized in that: the electric control device further comprises a speed reducing motor and a reciprocating rotary structure connected with the speed reducing motor, the reciprocating rotary structure is connected with the pipe in a shape of a Chinese character 'hui', the speed reducing motor is fixedly connected to the outer wall of the electric control cabinet, and the reciprocating rotary structure is fixed in the upper space of the electric control cabinet.
5. The electrical control device according to claim 4, wherein: the reciprocating rotary structure comprises a rotary disc, a cross rack arm and a convex column, wherein the rotary disc is connected with the output end of the speed reducing motor, the cross rack arm is provided with a straight slot and a tooth slot and is slidably mounted on the outer side of the rotary disc, the convex column is positioned at the top end of the rotary disc, and the convex column penetrates through the straight slot; two ends of the return pipe are respectively rotatably connected with the electric control cabinet through a rotating shaft, a driven gear is mounted on one side of the rotating shaft, and the driven gear is meshed with the tooth grooves.
6. The electrical control device according to claim 1, characterized in that: the controller comprises a PLC control panel.
7. The electrical control device according to claim 1, characterized in that: the electric control cabinet is internally provided with a partition panel which is positioned above the power supply assembly and below the spray head of the liquid carbon dioxide pumping unit, and two ends of the partition panel are respectively provided with a heat dissipation fan with a downward air outlet.
8. The electrical control device of claim 7, wherein: the heat dissipation fan is in communication with the controller.
9. The electrical control device according to claim 1, characterized in that: the power supply assembly comprises a phase-loss protector, a circuit breaker, a fuse, a transformer and a relay.
10. The electrical control device according to claim 1, characterized in that: the electric control device is provided with a sealing door plate, and the sealing door plate is hinged to the side face of the electric control cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223446747.9U CN218833437U (en) | 2022-12-22 | 2022-12-22 | Electric control device applied to crushing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223446747.9U CN218833437U (en) | 2022-12-22 | 2022-12-22 | Electric control device applied to crushing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218833437U true CN218833437U (en) | 2023-04-11 |
Family
ID=87304464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223446747.9U Active CN218833437U (en) | 2022-12-22 | 2022-12-22 | Electric control device applied to crushing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218833437U (en) |
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2022
- 2022-12-22 CN CN202223446747.9U patent/CN218833437U/en active Active
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