CN113733035B - Power supply equipment maintenance tool storage rack for power supply company - Google Patents
Power supply equipment maintenance tool storage rack for power supply company Download PDFInfo
- Publication number
- CN113733035B CN113733035B CN202111013894.4A CN202111013894A CN113733035B CN 113733035 B CN113733035 B CN 113733035B CN 202111013894 A CN202111013894 A CN 202111013894A CN 113733035 B CN113733035 B CN 113733035B
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- Prior art keywords
- cavity
- drying
- box body
- power supply
- rotating shaft
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H3/00—Storage means or arrangements for workshops facilitating access to, or handling of, work tools or instruments
- B25H3/04—Racks
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
- F26B11/18—Machines or apparatus for drying solid materials or objects with movement which is non-progressive on or in moving dishes, trays, pans, or other mainly-open receptacles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/08—Humidity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/10—Temperature; Pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/06—Chambers, containers, or receptacles
- F26B25/14—Chambers, containers, receptacles of simple construction
- F26B25/18—Chambers, containers, receptacles of simple construction mainly open, e.g. dish, tray, pan, rack
- F26B25/185—Spacers; Elements for supporting the goods to be dried, i.e. positioned in-between the goods to build a ventilated stack
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention relates to a storage rack for maintenance tools of power supply equipment of a power supply company, which comprises a box body and a box door, wherein the box body is connected to a push-pull mechanism, a normal temperature cavity, a drying cavity, a heating cavity and an electric cavity are sequentially arranged in the box body from top to bottom, a plurality of drawers are arranged in the normal temperature cavity, a first rotatable drying rack and a second rotatable drying rack are arranged in the drying cavity, an electric heater is arranged in the heating cavity, an air inlet communicated with the outside is formed in one side of the heating cavity, a filter screen, a blower and a first electromagnetic valve are sequentially arranged in the air inlet according to the air flow direction, a hot air pipe is communicated with one end, far away from the air inlet, of the heating cavity, the hot air pipe extends to the drying cavity, an air outlet communicated with the outside is formed in one side, far away from the hot air pipe, the top of the drying cavity is provided with a temperature and humidity sensor, and the electric cavity is provided with a storage battery and a driving device. This device space utilization is high, and multiplexer utensil is categorised and the access is convenient, and dampproofing effectual, is favorable to guaranteeing insulating properties of insulating tool to improve the security of overhauing the operation.
Description
Technical Field
The invention belongs to the technical field of power supply equipment maintenance tools, and particularly relates to a storage rack for power supply equipment maintenance tools of power supply companies.
Background
The power supply equipment is mainly transmission lines, mutual inductors, contactors and the like of various voltage grades, and after the power supply equipment is used for a period of time, the maintenance frequency is continuously increased due to the action of external force or the damage of the power supply equipment, so that the power supply equipment needs to be overhauled, when the power supply equipment is maintained, tools such as insulating gloves, insulating boots, electroscopes, signboards, red cloth curtains, brake pull rods, grounding wires, grounding rods and instruments and meters need to be used, and workers need to place the tools into a tool storage rack to carry the tools every trip. The existing tool storage rack is low in space utilization rate, inconvenient to classify and store, poor in moisture-proof effect, incapable of guaranteeing the insulating property of an insulating tool, and capable of influencing the safety of maintenance operation, and therefore needs to be improved urgently.
Disclosure of Invention
In order to solve the technical problems, the invention provides the following technical scheme:
a power supply equipment maintenance tool storage rack for a power supply company comprises a box body and a box door connected with the box body in an openable and closable manner, wherein the box body is connected to a push-pull mechanism, the push-pull mechanism comprises a lifting pull rod mechanism and a damping base with pulleys, a normal temperature cavity, a drying cavity, a heating cavity and an electrical cavity are sequentially arranged in the box body from top to bottom, the normal temperature cavity is provided with a plurality of drawers for subpackaging different tools, a rotatable first drying rack and a second drying rack are arranged in the drying cavity, the first drying rack and the second drying rack are in transmission connection through a transmission mechanism, the first drying rack is used for fixing and drying small insulating tools, and the second drying rack is used for fixing and drying large insulating tools; the heating intracavity is equipped with electric heater, and one side in heating chamber is equipped with the air intake that is linked together with the external world, be equipped with filter screen, forced draught blower and first solenoid valve in proper order according to the air current direction in the air intake, the one end intercommunication that the air intake was kept away from in the heating chamber has the hot-blast main, the hot-blast main extends to dry chamber, and is equipped with a plurality of air spouts of the dry frame of second towards on the hot-blast main, one side that the hot-blast main was kept away from in dry chamber is equipped with the air exit with external intercommunication, and is equipped with temperature and humidity sensor at dry chamber top, be equipped with the second solenoid valve in the air exit, electric chamber is equipped with battery and drive arrangement, drive arrangement is used for providing drive power for first dry frame and second dry frame, be equipped with the PLC controller on the chamber door, forced draught blower, drive arrangement, first solenoid valve, second solenoid valve, battery and temperature and humidity sensor are connected with the PLC controller electricity respectively.
Preferably, first drying rack includes first pivot and a plurality of vertical fixed plates along first pivot circumference equipartition, be equipped with spring clamp and/or the cardboard that is used for fixed small-size insulating tool on the vertical fixed plate, be equipped with on the cardboard with small-size insulating tool external diameter assorted card hole, the board is placed to the multilayer that second drying rack includes second pivot and edge second pivot circumference equipartition, it is equipped with the standing groove that is used for placing large-scale insulating tool to place the inboard, and is equipped with on the standing groove and is used for preventing the gliding elasticity of insulating tool and tightens up the area, for further improving drying efficiency, places the board bottom and still the equipartition has a plurality of through-holes that are linked together with the standing groove.
Preferably, drive mechanism includes that two overlap respectively and establish the drive gear in first pivot and second pivot bottom, and two drive gear pass through the drive chain transmission and connect, the lower extreme of second pivot is passed the heating chamber and is connected with the drive arrangement transmission, the heating intracavity is equipped with the radiation shield casing, the radiation shield casing adopts adiabatic material to make, and the radiation shield casing establishes outside the second pivot.
Preferably, the driving device comprises a servo speed reduction motor, an output shaft of the servo speed reduction motor is sleeved with a vertical bevel gear, and the lower end of the second rotating shaft is sleeved with a horizontal bevel gear in meshed connection with the vertical bevel gear.
Preferably, hinged joint is passed through on the box to one side of chamber door, and the opposite side can lock through door magnetic switch and box and be connected, door magnetic switch includes switch portion and magnet part, switch portion is connected with the PLC controller electricity, and the magnet part installs on the inner wall that the box corresponds the side, and switch portion installs in the chamber door inboardly, and when the chamber door was closed, the magnet part can just be right with switch portion.
Preferably, the type of the temperature and humidity sensor is SHT11.
Preferably, the lifting pull rod mechanism comprises a pull rod and a pull rod sleeve, the pull rod is connected in the pull rod sleeve in a telescopic mode through a fastening bolt, and a push-pull handle is arranged at the top of the pull rod.
Preferably, vibration damping mount includes bottom plate, shock attenuation board and box connecting plate, box connecting plate's bottom is equipped with a plurality of double-screw bolts along circumference, be equipped with on the bottom plate a plurality ofly with the double-screw bolt one-to-one and with double-screw bolt assorted through-hole, the shock attenuation board is located between bottom plate and the box connecting plate, and the double-screw bolt passes through the through-hole of bottom plate and is connected with lock nut, the pulley rotates to be connected in the bottom plate below, and the pulley adopts the universal wheel of area brake.
Preferably, the damping plate is an elastic rubber plate.
Preferably, be equipped with the heat insulation layer on the inner wall in heating chamber, be equipped with the heat preservation on the inner wall in dry chamber, help reducing the heat dissipation, guarantee the high-efficient utilization of heat energy.
The invention also comprises other devices or components which can ensure that the power supply equipment maintenance tool storage rack for the power supply company can be normally used, and the devices or components are conventional technical means in the field; in addition, the devices and components not limited in the present invention are all the means of the conventional technology in the field, such as the door magnetic switch.
The working principle of the invention is that when in use, tools with low insulation requirements such as signboards, red cloth curtains and the like are placed in drawers in a normal temperature cavity for classified storage, tools with high insulation requirements are correspondingly placed on a first drying rack and a second drying rack in a drying cavity, the first drying rack and the second drying rack are of rotatable structures, uniform drying is facilitated, efficient utilization of space is facilitated, a box door is closed, the temperature and humidity of the drying cavity are monitored through a temperature and humidity sensor, when the temperature and humidity are lower than the control requirements, a PLC controller is used for controlling the first electromagnetic valve and the second electromagnetic valve to be opened, a blower is started to blow air to a heating cavity, cold air enters a hot air pipe after being heated by an electric heater, is finally sprayed to the second drying rack through an air spraying opening and flows to the first drying rack, and is finally discharged through an air outlet, and when the temperature and humidity control requirements are met, the PLC controller is used for controlling the first electromagnetic valve and the second electromagnetic valve to be closed, and the cold air blower and the electric heater to stop working, so that the insulating performance of the tools and the tools can be ensured under the condition. Through the lifting pull rod mechanism and the damping base with the pulleys, the device can be conveniently moved, vibration is reduced, and safety of tools and appliances in the box body is guaranteed.
Compared with the prior art, the invention has the following beneficial effects: this device simple structure, space utilization is high, and the multiplexer utensil is categorised and access is convenient, and dampproofing effectual, is favorable to guaranteeing insulating properties of insulating tool to improve the security of power supply unit maintenance operation.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic view of the overall structure of the present invention in the embodiment.
Fig. 2 is a schematic view of the overall structure of the push-pull mechanism in the embodiment.
Detailed Description
The present invention will be described more clearly with reference to the accompanying drawings, which are included to illustrate and not to limit the present invention. All other embodiments, which can be obtained by those skilled in the art without any inventive step based on the embodiments of the present invention, should be included in the scope of the present invention.
Examples
As shown in fig. 1~2, the invention provides a storage rack for power supply equipment maintenance tools of a power supply company, which comprises a box body 1 and a box door 2 connected with the box body 1 in an openable and closable manner, wherein the box body 1 is connected to a push-pull mechanism, the push-pull mechanism comprises a lifting pull rod mechanism and a damping base with pulleys 3, a normal temperature cavity, a drying cavity, a heating cavity and an electrical cavity are sequentially arranged in the box body 1 from top to bottom, the normal temperature cavity is provided with a plurality of drawers 4 for separately loading different tools, a rotatable first drying rack 5 and a rotatable second drying rack 6 are arranged in the drying cavity, the first drying rack 5 and the second drying rack 6 are in transmission connection through a transmission mechanism 7, the first drying rack 5 is used for fixing and drying small-sized insulating tools, and the second drying rack 6 is used for fixing and drying large-sized insulating tools; the heating intracavity is equipped with electric heater 8, and one side in heating chamber is equipped with the air intake 9 that is linked together with the external world, be equipped with filter screen, forced draught blower and first solenoid valve in proper order according to the air current direction in the air intake 9, the one end intercommunication that the air intake was kept away from in the heating chamber has hot-blast main 10, hot-blast main 10 extends to dry chamber, and is equipped with a plurality of air injection openings towards the dry frame 6 of second on the hot-blast main 10, one side that hot-blast main 10 was kept away from in dry chamber is equipped with the air exit 11 with external intercommunication, and the dry chamber top is equipped with temperature and humidity sensor 12, temperature and humidity sensor's model is SHT11. Be equipped with the second solenoid valve in the air exit 11, electric chamber is equipped with battery 13 and drive arrangement 14, drive arrangement 14 is used for providing drive power for first drying rack 5 and second drying rack 6, be equipped with PLC controller 15 on chamber door 2, forced draught blower, drive arrangement 14, first solenoid valve, second solenoid valve, battery 13 and temperature and humidity sensor 12 are connected with PLC controller 15 electricity respectively.
One side of chamber door 2 is passed through hinged joint on box 1, and the opposite side can lock tightly with box 1 through door magnetic switch (not shown in the figure) and is connected, door magnetic switch includes switch portion and magnet part, switch portion is connected with PLC controller 15 electricity, and the magnet part is installed on the inner wall that box 1 corresponds the side, and switch portion installs in 2 inboards of chamber door, and when chamber door 2 closed, the magnet part can just be right with switch portion. The lifting pull rod mechanism comprises a pull rod 16 and a pull rod sleeve 17, the pull rod 16 is telescopically connected in the pull rod sleeve 17 through a fastening bolt 18, and the top of the pull rod 17 is provided with a push-pull handle 19. Damping mount includes bottom plate 20, shock attenuation board 21 and box connecting plate 22, box connecting plate 22's bottom is equipped with a plurality of double-screw bolts 23 along circumference, be equipped with on the bottom plate 20 a plurality ofly with double-screw bolt 23 one-to-one and with double-screw bolt 23 assorted through-hole, shock attenuation board 21 is located between bottom plate 20 and the box connecting plate 22, and double-screw bolt 23 passes and is connected with lock nut through the through-hole of bottom plate 20, 3 rotation connections of pulley are in bottom plate 20 below, and 3 universal wheels that adopt the area brake of pulley. The damping plate 21 is made of an elastic rubber plate. Be equipped with the heat insulation layer on the inner wall in heating chamber, be equipped with the heat preservation on the inner wall in dry chamber, help reducing the heat dissipation, guarantee the high-efficient utilization of heat energy.
The working principle of the invention is that when in use, tools with low insulation requirements such as signboards, red cloth curtains and the like are placed in the drawer 4 in the normal temperature cavity for classified storage, tools with high insulation requirements such as insulating gloves, insulating boots, electroscopes, grounding wires, grounding rods, insulating hand pliers, insulating wrenches, instruments and meters and the like are correspondingly placed on the first drying rack 5 and the second drying rack 6 in the drying cavity, the first drying rack 5 and the second drying rack 6 are set to be rotatable structures, uniform drying is convenient, efficient utilization of space is convenient, the box door 2 is closed, the temperature and humidity of the drying cavity are monitored through the temperature and humidity sensor 12, when the temperature and humidity are lower than the control requirements, the first electromagnetic valve and the second electromagnetic valve are controlled to be opened through the PLC controller 15, the air feeder is started to blow the heating cavity, cold air enters the hot air pipe 10 after being heated by the electric heater 8, and is finally sprayed to the second drying rack 6 through the air outlet, and flows to the first drying rack 5 and finally passes through the air outlet 11, when the PLC meets the control requirements, the first electromagnetic valve and the second electromagnetic valve are controlled by the PLC 15, the insulating heaters and the working conditions of the insulating heaters are ensured, and the insulating heaters are suitable for the insulating heaters to be closed. Through the lifting pull rod mechanism and the damping base with the pulley 3, the device can be conveniently moved, meanwhile, the vibration is reduced, and the safety of tools and appliances in the box body 1 is ensured.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the illustrated embodiments.
Claims (2)
1. The utility model provides a power supply unit overhauls instrument storage rack for power supply company, includes box and the chamber door of being connected that can open and shut with the box, its characterized in that: the box body is connected to a push-pull mechanism, the push-pull mechanism comprises a lifting pull rod mechanism and a damping base with pulleys, a normal temperature cavity, a drying cavity, a heating cavity and an electric cavity are sequentially arranged in the box body from top to bottom, the normal temperature cavity is provided with a plurality of drawers for separately loading different tools, a rotatable first drying frame and a rotatable second drying frame are arranged in the drying cavity, the first drying frame and the second drying frame are in transmission connection through a transmission mechanism, the first drying frame is used for fixing and drying small-sized insulating tools, and the second drying frame is used for fixing and drying large-sized insulating tools; the improved drying device is characterized in that an electric heater is arranged in the heating cavity, an air inlet communicated with the outside is formed in one side of the heating cavity, a filter screen, an air feeder and a first electromagnetic valve are sequentially arranged in the air inlet according to the air flow direction, a hot air pipe is communicated with one end, far away from the air inlet, of the heating cavity and extends to the drying cavity, a plurality of air spraying ports towards a second drying rack are formed in the hot air pipe, an air outlet communicated with the outside is formed in one side, far away from the hot air pipe, of the drying cavity, a temperature and humidity sensor is arranged at the top of the drying cavity, a second electromagnetic valve is arranged in the air outlet, a storage battery and a driving device are arranged in the electric cavity, the driving device is used for providing driving force for the first drying rack and the second drying rack, a PLC controller is arranged on the box door, and the air feeder, the driving device, the first electromagnetic valve, the second electromagnetic valve, the storage battery and the temperature and humidity sensor are respectively electrically connected with the PLC controller;
the first drying rack comprises a first rotating shaft and a plurality of vertical fixing plates which are uniformly distributed along the circumferential direction of the first rotating shaft, spring clamps and/or clamping plates for fixing small-sized insulating tools are arranged on the vertical fixing plates, clamping holes matched with the outer diameter of the small-sized insulating tools are formed in the clamping plates, the second drying rack comprises a second rotating shaft and a plurality of layers of placing plates which are uniformly distributed along the circumferential direction of the second rotating shaft, placing grooves for placing large-sized insulating tools are formed in the placing plates, and elastic tightening belts for preventing the insulating tools from sliding are arranged on the placing grooves;
the damping base comprises a bottom plate, a damping plate and a box body connecting plate, a plurality of studs are arranged at the bottom of the box body connecting plate along the circumferential direction, a plurality of through holes which correspond to the studs one by one and are matched with the studs are formed in the bottom plate, the damping plate is arranged between the bottom plate and the box body connecting plate, the studs penetrate through the through holes of the bottom plate and are connected with locking nuts, the pulley is rotatably connected below the bottom plate, and the pulley is a universal wheel with a brake; the damping plate is an elastic rubber plate;
the inner wall of the heating cavity is provided with a heat insulation layer, and the inner wall of the drying cavity is provided with a heat preservation layer;
the transmission mechanism comprises two transmission gears which are respectively sleeved at the bottoms of the first rotating shaft and the second rotating shaft, the two transmission gears are in transmission connection through a transmission chain, the lower end of the second rotating shaft penetrates through the heating cavity to be in transmission connection with the driving device, a heat insulation sleeve is arranged in the heating cavity and made of a heat insulation material, and the heat insulation sleeve is sleeved outside the second rotating shaft; the driving device comprises a servo speed reducing motor, an output shaft of the servo speed reducing motor is sleeved with a vertical bevel gear, and the lower end of the second rotating shaft is sleeved with a horizontal bevel gear in meshed connection with the vertical bevel gear;
one side of the box door is connected to the box body through a hinge, the other side of the box door is in lockable connection with the box body through a door magnetic switch, the door magnetic switch comprises a switch part and a magnet part, the switch part is electrically connected with the PLC, the magnet part is arranged on the inner wall of the corresponding side of the box body, the switch part is arranged on the inner side of the box door, and when the box door is closed, the magnet part can be opposite to the switch part;
the lifting pull rod mechanism comprises a pull rod and a pull rod sleeve, the pull rod is connected in the pull rod sleeve in a telescopic mode through a fastening bolt, and a push-pull handle is arranged at the top of the pull rod.
2. The power supply equipment servicing tool storage rack for power supply companies according to claim 1, characterized in that: the model of the temperature and humidity sensor is SHT11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111013894.4A CN113733035B (en) | 2021-08-31 | 2021-08-31 | Power supply equipment maintenance tool storage rack for power supply company |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111013894.4A CN113733035B (en) | 2021-08-31 | 2021-08-31 | Power supply equipment maintenance tool storage rack for power supply company |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113733035A CN113733035A (en) | 2021-12-03 |
| CN113733035B true CN113733035B (en) | 2023-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111013894.4A Active CN113733035B (en) | 2021-08-31 | 2021-08-31 | Power supply equipment maintenance tool storage rack for power supply company |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110509242A (en) * | 2019-09-24 | 2019-11-29 | 牛美兰 | Classified storage cabinet based on Surveying Engineering apparatus |
| CN211940849U (en) * | 2020-01-09 | 2020-11-17 | 南安市瑞竣机械科技有限公司 | Electric power tool containing box |
| CN212538635U (en) * | 2020-07-07 | 2021-02-12 | 镇江市瑞科新材料有限公司 | Drying device is used in emery wheel production |
| CN213324422U (en) * | 2020-08-01 | 2021-06-01 | 边艳琳 | Electric power overhauls instrument intelligence strorage device |
| CN113120043A (en) * | 2021-04-12 | 2021-07-16 | 盐城瑞德石化机械有限公司 | Lifting check valve transportation device convenient to fix |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101569890B1 (en) * | 2013-12-18 | 2015-11-17 | 두산중공업 주식회사 | Welding rod dryer dispenser |
-
2021
- 2021-08-31 CN CN202111013894.4A patent/CN113733035B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110509242A (en) * | 2019-09-24 | 2019-11-29 | 牛美兰 | Classified storage cabinet based on Surveying Engineering apparatus |
| CN211940849U (en) * | 2020-01-09 | 2020-11-17 | 南安市瑞竣机械科技有限公司 | Electric power tool containing box |
| CN212538635U (en) * | 2020-07-07 | 2021-02-12 | 镇江市瑞科新材料有限公司 | Drying device is used in emery wheel production |
| CN213324422U (en) * | 2020-08-01 | 2021-06-01 | 边艳琳 | Electric power overhauls instrument intelligence strorage device |
| CN113120043A (en) * | 2021-04-12 | 2021-07-16 | 盐城瑞德石化机械有限公司 | Lifting check valve transportation device convenient to fix |
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| Publication number | Publication date |
|---|---|
| CN113733035A (en) | 2021-12-03 |
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