CN113483237A - Mining self-lifting power control box - Google Patents
Mining self-lifting power control box Download PDFInfo
- Publication number
- CN113483237A CN113483237A CN202110569816.6A CN202110569816A CN113483237A CN 113483237 A CN113483237 A CN 113483237A CN 202110569816 A CN202110569816 A CN 202110569816A CN 113483237 A CN113483237 A CN 113483237A
- Authority
- CN
- China
- Prior art keywords
- main body
- power supply
- box main
- power
- control box
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005065 mining Methods 0.000 title claims abstract description 29
- 238000009434 installation Methods 0.000 claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 230000001681 protective effect Effects 0.000 claims description 12
- 239000007921 spray Substances 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000009423 ventilation Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 13
- 238000004804 winding Methods 0.000 abstract description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
- F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
- F16M13/027—Ceiling supports
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/28—Other constructional details
- B66D1/40—Control devices
- B66D1/48—Control devices automatic
- B66D1/485—Control devices automatic electrical
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/60—Rope, cable, or chain winding mechanisms; Capstans adapted for special purposes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/043—Allowing translations
- F16M11/046—Allowing translations adapted to upward-downward translation movement
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/46—Boxes; Parts thereof or accessories therefor
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Lasers (AREA)
Abstract
The invention discloses a mining self-lifting power supply control box, which belongs to the technical field of mining equipment and comprises a power supply box main body and an installation box positioned above the power supply box main body, wherein a top plate is arranged at the top of the power supply box main body, a laser ranging sensor is arranged at the top of the top plate, and a plurality of winches are arranged inside the installation box. According to the invention, through the arrangement of the winch, the top plate, the connecting rope and the hanging ring, the height of the power box main body can be adjusted when the power box main body is used, the power box main body can be conveniently used in a mine, through the arrangement of the laser ranging sensor, the radar liquid level sensor and the processing center, the accumulated water can be detected through the radar liquid level sensor when the water is accumulated in the mine, when the water level is too high, the height of the power box main body is improved by starting the plurality of winch winding connecting ropes through the processing center, and through the arrangement of the laser ranging sensor, the installation box can be induced when the power box main body is lifted, so that the power box main body is prevented from colliding with the installation box.
Description
Technical Field
The invention relates to a power supply control box, in particular to a self-lifting power supply control box for a mine, and belongs to the technical field of mine equipment.
Background
The power supply control box is a control center for reasonably distributing electric energy for various components in a power supply line, is a control link for reliably receiving an upper end power supply and correctly feeding out load electric energy, is also a key for acquiring whether a user is satisfied with power supply quality, improves the operation reliability of the power supply box, and needs to pay attention to accumulated water in a mine hole when the power supply control box is used in a mine so as to prevent the power supply control box from being submerged due to overhigh accumulated water.
The invention provides a new solution for solving the problems that the height of the existing mining power supply control box cannot be adjusted and cannot be automatically lifted when in use.
Disclosure of Invention
The invention mainly aims to solve the problems that the height of an existing mining power supply control box cannot be adjusted and the existing mining power supply control box cannot be lifted automatically when in use, and provides a mining self-lifting power supply control box.
The purpose of the invention can be achieved by adopting the following technical scheme:
the utility model provides a mining self-lifting power control box, includes the power supply box main part, and is located the install bin of power supply box main part top, the top of power supply box main part is equipped with the roof, the top of roof is equipped with laser range sensor, the inside of install bin is equipped with a plurality of hoists, the outside of roof be equipped with a plurality ofly with the rings of hoist engine inter-complex, the hoist engine with through connecting rope interconnect between the rings, the bottom of power supply box main part is equipped with radar level sensor, the inside of power supply box main part is equipped with the protecting crust, the inside of protecting crust is equipped with treatment center.
Preferably, a fixing plate is arranged on the outer side of the installation box, and a plurality of through holes are formed in the fixing plate.
Preferably, the bottom of the fixing plate is provided with a plurality of connecting frames positioned outside the installation box.
Preferably, the connecting frame comprises a fixing block, a first connecting rod is arranged at the top of the fixing block, and a second connecting rod is arranged at the top of the first connecting rod.
Preferably, the first connecting rod and the second connecting rod are rotatably mounted at the top of the fixed block through connecting shafts.
Preferably, one ends of the first connecting rod and the second connecting rod, which are far away from the fixing block, are fixedly connected with flat cylindrical connecting blocks, and screw holes are formed in the middle of the connecting blocks.
Preferably, a temperature sensor movably mounted at the top of the inner wall of the power box main body is arranged above the protective shell.
Preferably, the outer side of the top plate is provided with a plurality of shielding plates, and the power box main body is provided with a plurality of uniformly arranged circular air holes.
Preferably, both sides of the protective shell are provided with protective boxes, and the protective boxes are internally provided with storage tanks.
Preferably, the top of holding vessel is equipped with the connecting pipe, the middle part of connecting pipe is equipped with the solenoid valve, the connecting pipe runs through the one end of guard box is connected with the shower nozzle.
The invention has the beneficial technical effects that: according to the mining self-lifting power supply control box, the winch, the top plate, the connecting rope and the lifting ring are arranged, so that the height of the power supply box main body can be adjusted when the power supply box main body is used, the power supply box main body is convenient to use in a mine, the laser ranging sensor, the radar liquid level sensor and the processing center are arranged, the accumulated water can be detected through the radar liquid level sensor when the water is accumulated in the mine, when the water level is too high, the plurality of winches are started through the processing center to roll the connecting rope, so that the height of the power supply box main body is improved, and the laser ranging sensor is arranged, so that the mounting box can be sensed when the power supply box main body rises, and the power supply box main body is prevented from colliding with the mounting box.
Drawings
Fig. 1 is a schematic overall structure diagram of a preferred embodiment of a mining self-elevating power supply control box according to the invention;
FIG. 2 is a front view of a power supply box body of a preferred embodiment of a mining self-elevating power supply control box according to the invention;
fig. 3 is a schematic diagram of the internal structure of an installation box of a preferred embodiment of the mining self-elevating power supply control box according to the invention;
fig. 4 is a schematic structural view of a top plate of a preferred embodiment of the mining self-elevating power control box according to the invention;
fig. 5 is a schematic structural diagram of a main body of a power supply box of a preferred embodiment of the mining self-elevating power supply control box according to the invention;
fig. 6 is a schematic structural view of a connection frame of a preferred embodiment of the mining self-elevating power supply control box according to the invention.
In the figure: 1-a power box main body, 2-a top plate, 3-a baffle plate, 4-an installation box, 5-a fixing plate, 6-a connecting rope, 7-a hanging ring, 8-a laser ranging sensor, 9-a through hole, 10-a radar liquid level sensor, 11-a connecting frame, 111-a fixing block, 112-a connecting shaft, 113-a first connecting rod, 114-a second connecting rod, 115-a connecting block, 116-a screw hole, 13-a winch, 14-a temperature sensor, 15-a storage tank, 16-a protection box, 17-an electromagnetic valve, 18-a connecting pipe, 19-a spray head, 20-a vent hole, 21-a protective shell and 22-a processing center.
Detailed Description
In order to make the technical solutions of the present invention more clear and definite for those skilled in the art, the present invention is further described in detail below with reference to the examples and the accompanying drawings, but the embodiments of the present invention are not limited thereto.
As shown in fig. 1-6, the mining self-lifting power control box provided by this embodiment includes power box main body 1, and install bin 4 that is located power box main body 1 top, the top of power box main body 1 is equipped with roof 2, the top of roof 2 is equipped with laser ranging sensor 8, the inside of install bin 4 is equipped with a plurality of hoists 13, the outside of roof 2 is equipped with a plurality of rings 7 of mutually supporting with hoist 13, through connecting rope 6 interconnect between hoist 13 and the rings 7, the bottom of power box main body 1 is equipped with radar level sensor 10, the inside of power box main body 1 is equipped with protecting crust 21, the inside of protecting crust 21 is equipped with treatment center 22. Through hoist engine 13, roof 2, connect the setting of rope 6 and rings 7, can make power supply box main part 1 can carry out the adjustment of height when using, make things convenient for power supply box main part 1 to use in the ore deposit, through laser range sensor 8, radar level sensor 10 and treatment center 22's setting, can survey ponding through radar level sensor 10 when ponding in the ore deposit, thereby it connects rope 6 to promote the height of power supply box main part 1 to start a plurality of hoist engine 13 rolling through treatment center 22 when the water level is too high, through laser range sensor 8's setting, can respond to install bin 4 when power supply box main part 1 rises, prevent that power supply box main part 1 from hitting install bin 4.
In the present embodiment, as shown in fig. 1, 2, 4 and 5, a temperature sensor 14 movably mounted on the top of the inner wall of the power box main body 1 is disposed above the protective casing 21. The temperature sensor 14 can monitor the temperature inside the power box main body 1. A plurality of shielding plates 3 are arranged on the outer side of the top plate 2, and a plurality of uniformly arranged circular air holes 20 are formed in the power box main body 1. Through the setting of bleeder vent 20, can make things convenient for the inside thermal giveaway of power box main part 1. Both sides of protecting crust 21 all are equipped with guard box 16, and the inside of guard box 16 is equipped with holding vessel 15, and the top of holding vessel 15 is equipped with connecting pipe 18, and the middle part of connecting pipe 18 is equipped with solenoid valve 17, and the one end that connecting pipe 18 runs through guard box 16 is connected with shower nozzle 19. By providing the storage tank 15, the connection pipe 18, the nozzle 19, and the electromagnetic valve 17, when a fire breaks out inside the power box main body 1, the fire can be extinguished by the carbon dioxide inside the storage tank 15.
In the present embodiment, as shown in fig. 1, 2, 3 and 6, a fixing plate 5 is provided on the outer side of the mounting case 4, and a plurality of through holes 9 are opened in the fixing plate 5. Through the setting of fixed plate 5 and through-hole 9, can conveniently fix install bin 4. The bottom of fixed plate 5 is provided with a plurality of link 11 that are located the install bin 4 outside, link 11 includes fixed block 111, the top of fixed block 111 is equipped with head rod 113, head rod 113's top is equipped with second connecting rod 114, head rod 113 and second connecting rod 114 all rotate through connecting axle 112 and install in the top of fixed block 111, the equal fixedly connected with oblate cylindricality's of one end connecting block 115 that fixed block 111 was kept away from to head rod 113 and second connecting rod 114, screw 116 has been seted up at the middle part of connecting block 115. Through the setting of fixed block 111 and connecting axle 112, can make things convenient for the installation of head rod 113 and second connecting rod 114, through the setting of head rod 113, second connecting rod 114, connecting block 115 and screw 116, can conveniently fix through inflation screw cooperation connecting block 115 and screw 116, through the setting that can pivoted head rod 113 and second connecting rod 114, can also adjust the position of connecting block 115 in a flexible way moreover.
In this embodiment, as shown in fig. 1 to fig. 6, the working process of the mining self-elevating power supply control box provided in this embodiment is as follows:
step 1: when the power box is used, the fixing plate 5 is fixed at the top of a mine hole through the arrangement of the fixing plate 5, the through hole 9 and the bolt, so that the power box main body 1 is suspended, then the first connecting rod 113 and the second connecting rod 114 are rotated, the connecting blocks 115 on the first connecting rod 113 and the second connecting rod 114 are positioned at the outer side of the fixing plate 5, and then the expansion screw penetrates through the screw hole 116 on the connecting blocks 115 to fix the fixing plate 5 for the second time;
step 2: fixing the height according to the requirement, winding and releasing the shielding plate 3 by starting the winch 13 so as to adjust the height of the power box main body 1, detecting accumulated water of the power box main body 1 in a mine hole by the radar liquid level sensor 10 when the power box main body 1 is used, starting the winch 13 to wind the connecting rope 6 by the processing center 22 to lift the height of the power box main body 1 when the accumulated water is excessive, monitoring the distance between the top plate 2 and the installation box 4 by the laser ranging sensor 8 when the power box main body 1 is lifted, and preventing the power box main body 1 from impacting the bottom of the installation box 4 due to excessive lifting;
and step 3: when the power box body 1 is used, the temperature sensor 14 located inside the power box body 1 monitors the temperature inside the power box body 1, and when a fire breaks out due to an excessively high temperature inside the power box body 1, the processing center 22 opens the electromagnetic valve 17 on the connecting pipe 18 to eject carbon dioxide from the storage tank 15 to extinguish the fire inside the power box body 1.
In summary, in the present embodiment, according to the mining self-lifting power control box of the present embodiment, the winch 13, the top plate 2, the connecting rope 6 and the hanging ring 7 are arranged, so that the height of the power box main body 1 can be adjusted when in use, and the power box main body 1 can be conveniently used in a mine, the arrangement of the laser ranging sensor 8, the radar level sensor 10 and the processing center 22 can detect water accumulation when in the mine through the radar level sensor 10, the processing center 22 can start the plurality of winches 13 to roll the connecting rope 6 so as to raise the height of the power box main body 1 when the water level is too high, the arrangement of the laser ranging sensor 8 can sense the installation box 4 when the power box main body 1 rises, so as to prevent the power box main body 1 from colliding with the installation box 4, and the arrangement of the temperature sensor 14 can monitor the temperature inside the power box main body 1, through bleeder vent 20's setting, can make things convenient for the inside thermal giveaway of power box main part 1, through holding vessel 15, connecting pipe 18, shower nozzle 19 and solenoid valve 17's setting, can be when the inside conflagration that breaks out of power box main part 1, put out a fire through the inside carbon dioxide of holding vessel 15, setting through fixed plate 5 and through-hole 9, can conveniently fix install bin 4, setting through fixed block 111 and connecting axle 112, can make things convenient for the installation of head rod 113 and second connecting rod 114, through head rod 113, second connecting rod 114, connecting block 115 and screw 116's setting, can conveniently fix through inflation screw cooperation connecting block 115 and screw 116, and through the setting that can pivoted head rod 113 and second connecting rod 114, can also adjust the position of connecting block 115 in a flexible way.
The above description is only for the purpose of illustrating the present invention and is not intended to limit the scope of the present invention, and any person skilled in the art can substitute or change the technical solution of the present invention and its conception within the scope of the present invention.
Claims (10)
1. A mining self-lifting power supply control box is characterized by comprising a power supply box main body (1), and an installation box (4) positioned above the power box main body (1), wherein the top of the power box main body (1) is provided with a top plate (2), the top of the top plate (2) is provided with a laser ranging sensor (8), the inside of the installation box (4) is provided with a plurality of windlasses (13), a plurality of hoisting rings (7) matched with the hoisting machine (13) are arranged on the outer side of the top plate (2), the hoisting machine (13) and the hoisting ring (7) are connected with each other through a connecting rope (6), the bottom of the power box main body (1) is provided with a radar liquid level sensor (10), the power box is characterized in that a protective shell (21) is arranged inside the power box main body (1), and a processing center (22) is arranged inside the protective shell (21).
2. The mining self-lifting power supply control box according to claim 1, characterized in that a fixing plate (5) is arranged on the outer side of the installation box (4), and a plurality of through holes (9) are formed in the fixing plate (5).
3. The mining self-elevating power control box according to claim 2, characterized in that the bottom of the fixing plate (5) is provided with a plurality of connecting frames (11) located outside the installation box (4).
4. The mining self-elevating power control box according to claim 3, wherein the connecting frame (11) comprises a fixing block (111), a first connecting rod (113) is arranged on the top of the fixing block (111), and a second connecting rod (114) is arranged on the top of the first connecting rod (113).
5. The mining self-elevating power control box according to claim 4, wherein the first connecting rod (113) and the second connecting rod (114) are rotatably mounted on the top of the fixing block (111) through a connecting shaft (112).
6. The mining self-lifting power supply control box according to claim 4, wherein one ends of the first connecting rod (113) and the second connecting rod (114) far away from the fixing block (111) are fixedly connected with flat cylindrical connecting blocks (115), and screw holes (116) are formed in the middle of the connecting blocks (115).
7. The mining self-elevating power supply control box according to claim 1, characterized in that a temperature sensor (14) movably mounted on the top of the inner wall of the power supply box main body (1) is arranged above the protective shell (21).
8. The mining self-lifting power supply control box according to claim 1, characterized in that a plurality of shielding plates (3) are arranged on the outer side of the top plate (2), and a plurality of uniformly arranged circular ventilation holes (20) are formed in the power supply box main body (1).
9. The mining self-elevating power control box according to claim 1, characterized in that both sides of the protective shell (21) are provided with protective boxes (16), and the protective boxes (16) are internally provided with storage tanks (15).
10. The mining self-elevating power control box according to claim 9, characterized in that a connecting pipe (18) is arranged at the top of the storage tank (15), a solenoid valve (17) is arranged in the middle of the connecting pipe (18), and a spray head (19) is connected to one end of the connecting pipe (18) penetrating through the protection box (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110569816.6A CN113483237A (en) | 2021-05-25 | 2021-05-25 | Mining self-lifting power control box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110569816.6A CN113483237A (en) | 2021-05-25 | 2021-05-25 | Mining self-lifting power control box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113483237A true CN113483237A (en) | 2021-10-08 |
Family
ID=77933645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110569816.6A Pending CN113483237A (en) | 2021-05-25 | 2021-05-25 | Mining self-lifting power control box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113483237A (en) |
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| CN210957345U (en) * | 2019-12-20 | 2020-07-07 | 苏州市英泰电器有限公司 | Safe type fire prevention switch board |
| CN111479417A (en) * | 2020-04-08 | 2020-07-31 | 宿州科力电器有限公司 | Mining ann's type power supply box |
| CN211879886U (en) * | 2020-04-13 | 2020-11-06 | 郑州易能科技有限公司 | Intelligent comprehensive distribution box |
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2021
- 2021-05-25 CN CN202110569816.6A patent/CN113483237A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204885879U (en) * | 2015-07-20 | 2015-12-16 | 台州永建建设有限公司 | Waterproof type switch board |
| CN205319539U (en) * | 2015-12-30 | 2016-06-15 | 陈旭 | Multifunctional power distribution cabinet that convenience is high |
| CN205377075U (en) * | 2016-01-05 | 2016-07-06 | 河南博源成套电气有限公司 | Safe waterproof switch board |
| CN206370634U (en) * | 2017-01-17 | 2017-08-01 | 广东中讯通讯设备实业有限公司 | A kind of novel combination type intelligent base station distribution box |
| CN207879819U (en) * | 2017-12-26 | 2018-09-18 | 临泽县锐翔科技开发有限责任公司 | A kind of multi-faceted bolt pair dismounting torque limiting devices |
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| CN111082340A (en) * | 2019-12-20 | 2020-04-28 | 彩虹（合肥）液晶玻璃有限公司 | Waterproof protection device of distribution box |
| CN210957345U (en) * | 2019-12-20 | 2020-07-07 | 苏州市英泰电器有限公司 | Safe type fire prevention switch board |
| CN111479417A (en) * | 2020-04-08 | 2020-07-31 | 宿州科力电器有限公司 | Mining ann's type power supply box |
| CN211879886U (en) * | 2020-04-13 | 2020-11-06 | 郑州易能科技有限公司 | Intelligent comprehensive distribution box |
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Application publication date: 20211008 |