CN114771304A - Cable protective structure and underground alternating-current charging pile - Google Patents

Cable protective structure and underground alternating-current charging pile Download PDF

Info

Publication number
CN114771304A
CN114771304A CN202210591164.0A CN202210591164A CN114771304A CN 114771304 A CN114771304 A CN 114771304A CN 202210591164 A CN202210591164 A CN 202210591164A CN 114771304 A CN114771304 A CN 114771304A
Authority
CN
China
Prior art keywords
box
charging
groove
door
protective
Prior art date
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
Application number
CN202210591164.0A
Other languages
Chinese (zh)
Inventor
张堂琴
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202210591164.0A priority Critical patent/CN114771304A/en
Publication of CN114771304A publication Critical patent/CN114771304A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
    • B60L53/14Conductive energy transfer
    • B60L53/18Cables specially adapted for charging electric vehicles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/30Constructional details of charging stations
    • B60L53/31Charging columns specially adapted for electric vehicles
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02Details

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Laying Of Electric Cables Or Lines Outside (AREA)

Abstract

The invention relates to the technical field of charging piles, in particular to a cable protection structure and an underground alternating-current charging pile, which comprise a protection box, two door plates, a charging box, a traction cylinder, a breaking component and a protection component, wherein the door plates are symmetrically arranged on two sides of the protection box, the door plates are respectively arranged in the two door plates through two transmission components, the transmission components comprise a driving gear and a driven gear, the connection part of the charging box and a cable is shielded and protected through the protection box, so that the service life of the cable is prolonged, when the cable or the charging box spontaneously ignites, the charging box is collected into the protection box through the traction cylinder and a reinforcing rod which are controlled in a distinguishing manner, the protection box is triggered to fill high-pressure inert gas into the protection box for fire extinguishing, the two door plates are controlled through the transmission components to cover the protection box, so that the fire extinguishing effect is improved, in daily use, the reinforcing rod does not extend out, and the charging box can also retract into the protection box, along with the cable.

Description

Cable protection structure and underground alternating-current charging pile
Technical Field
The invention relates to the technical field of charging piles, in particular to a cable protection structure and an underground alternating-current charging pile.
Background
The underground charging pile is similar to a facility for charging new energy vehicles by an oiling machine of a gas station according to different voltages, the underground alternating-current charging pile is arranged in underground places such as an underground garage in consideration of the thinking that the underground charging pile is arranged, compared with the underground charging pile, the underground charging pile is unattended for a long time, when cable ageing spontaneous combustion or equipment internal spontaneous combustion occurs in the underground charging pile, maintenance personnel or nearby residents cannot timely handle the situation, the equipment is seriously damaged, even fire disasters of nearby vehicles and the whole floor are caused, and certain potential safety hazards exist.
Disclosure of Invention
The invention aims to provide a cable protection structure and an underground alternating-current charging pile, and aims to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a cable protection structure, the cable protection structure comprises
The protective box is symmetrically provided with door plate boxes at two sides;
the two door plates are respectively arranged in the two door plate boxes through two transmission assemblies, and each transmission assembly comprises a driving gear and a driven gear;
the charging box is inserted and arranged on one side of the protection box through the sliding assembly, a cable is connected between the charging box and the protection box, and the sliding assembly comprises four sliding rails and four sliding plates;
the traction cylinder is arranged in the center of the protective box, and one side of the traction cylinder is connected with one side of the charging box;
the breaking-away component is arranged on one side of the charging box and comprises a push plate and a breaking-away ring;
the protective assembly is arranged on one side in the protective box and comprises a protective tank and a spill pipe.
Preferably, the standing groove has all been seted up to door plant case one side, is close to the equal vertical door-hinge that is equipped with in protective housing one side in the standing groove, and two door plants are arranged in the standing groove through door-hinge activity grafting respectively.
Preferably, the two door plank casees are close to the equal level in both sides about the door-hinge one side and have seted up first gear groove and second gear groove, and four drive gear and four driven gear peg graft four first gear grooves and four second gear groove settings respectively, and driven gear one side links to each other with drive gear one side meshing, and the drive gear diameter is greater than driven gear's diameter.
Preferably, the door plate is sleeved with the door shaft, the upper side and the lower side of one side of the door plate are integrally provided with a plurality of door plate gear teeth, and the door plate gear teeth on one side are meshed with one side of the driven gear.
Preferably, four the slide rail is horizontal symmetry respectively locates and is close to four drive gear one side in the protective housing, the slide rail is close to drive gear one side and runs through and has seted up the spout, drive gear one side runs through to peg graft and arranges in the spout and sets up, four slides locate the charging case both sides through installation piece horizontal symmetry respectively, it has all run through to have seted up the bar groove to be close to charging case one side in the spout, four slides run through the bar groove respectively through the installation piece and peg graft and arrange in the spout and set up, be close to drive gear one side in the slide grafting spout and all set up the toothed groove, the equal symmetry in one side is equipped with a plurality of control teeth of a cogwheel, and drive gear arranges in the spout one side grafting teeth of a cogwheel groove setting.
Preferably, charging case one side is equipped with charging socket, break away from the ring grafting and arrange charging socket in, the relative one side of charging socket of charging case has been seted up the pendulum and has been taken off the groove, the pendulum takes off inslot center and is equipped with the connecting plate through a plurality of branches, connecting plate one side is connected with tractive jar one side, the push pedal is pegged graft and breaks away from the inslot and cup joints a plurality of branches and set up, the push pedal and pendulum are taken off and are equipped with reset spring between the inslot near charging socket one side, the push pedal and break away from and run through charging case between the ring and be equipped with a plurality of push rods, base one side of tractive jar is equipped with the ejector seat, and the ejector seat diameter with break away from the groove and correspond the setting.
Preferably, a tank groove has been seted up to one side in the protective housing, and the vertical grafting of protective housing is arranged in a tank groove, is filled with high-pressure inert gas in the protective tube, and the protective tube is located protective housing one side center level and is equipped with the release pipe, and when the charging case retracted into the protective housing, the release pipe contacted with charging case one side.
Preferably, an embedding groove is formed in the first drawing cylinder in the protection box, the overflow pipes are inserted and arranged in the embedding groove, the overflow pipes and the embedding groove are of spiral structures, and a plurality of overflow holes are uniformly formed in one side, close to the interior of the protection box, of the overflow pipes.
Preferably, the interface has been seted up to release pipe one side, and the overflow pipe one side sets up through the interface of the release pipe of pegging graft to the interface of managing, and one side is equipped with sealed piston through the limiting plate grafting in the release pipe, runs through both sides in the sealed piston and has seted up the intercommunication groove, and the intercommunication groove sets up for L shape structure, and intercommunication groove one side corresponds the setting with the interface, and sealed piston is close to the vertical release lever that is equipped with in limiting plate one side center, and the release lever runs through the setting of grafting limiting plate, and the release lever is kept away from sealed piston one side center and is pegged graft and be equipped with the stiffener, and the compression bar is automatically controlled telescopic link.
The utility model provides an underground alternating-current charging stake, underground alternating-current charging stake has above-mentioned cable protective structure.
Compared with the prior art, the invention has the beneficial effects that:
through sheltering from the protection with charging box and cable junction department at the protection box, improve the life of cable, when cable or charging box take place the spontaneous combustion, through distinguishing the traction cylinder and the stiffener of control with charging box income protection incasement, and trigger the protection jar and fill into high-pressure inert gas in to the protection incasement and put out a fire, and cover the protection case through two door plants of drive assembly control, improve the fire extinguishing effect, and daily use, the stiffener does not stretch out, in the charging box also can the retraction protection incasement, together protect with the cable.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a perspective view of a first perspective of the structure of the present invention;
FIG. 3 is a perspective view of a second perspective view of the present invention;
FIG. 4 is a schematic view of the protective assembly of the present invention;
FIG. 5 is a schematic view of a door panel according to the present invention;
FIG. 6 is a schematic diagram of the front structure of the charging box according to the present invention;
FIG. 7 is a schematic view of the back side of the charging box according to the present invention;
FIG. 8 is a schematic view of portion A of FIG. 1 according to the present invention;
FIG. 9 is a schematic view of the portion B of FIG. 1 according to the present invention;
FIG. 10 is a schematic view of the invention at the location C of FIG. 1.
In the figure: the device comprises a protective box 1, a door panel box 2, a door panel 3, a driving gear 4, a driven gear 5, a charging box 6, a sliding rail 7, a sliding plate 8, a traction cylinder 9, a push plate 10, a swing ring 11, a protective tank 12, a spill pipe 13, door panel gear teeth 14, gear tooth grooves 15, control gear teeth 16, a cable 17, a charging socket 18, a connecting plate 19, a return spring 20, a push seat 21, a release pipe 22, a spill hole 23, a butt joint pipe 24, a sealing piston 25, a communicating groove 26, a release lever 27 and a reinforcing rod 28.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1-10, the present invention provides a cable protection structure: the cable protection structure comprises
The protective box comprises a protective box 1, wherein door plate boxes 2 are symmetrically arranged on two sides of the protective box 1;
two door panels 3, the two door panels 3 are respectively arranged in the two door panel boxes 2 through two transmission components, and the transmission component comprises a driving gear 4 and a driven gear 5, one side of the door panel box 2 is provided with a placing groove, one side of the placing groove close to the protective box 1 is vertically provided with a door shaft, and two door plates 3 are respectively movably inserted into the placing grooves through the door shafts, the upper and lower sides of one side of the two door plate boxes 2 close to the door shafts are horizontally provided with a first gear groove and a second gear groove, four driving gears 4 and four driven gears 5 are respectively inserted into the four first gear grooves and the four second gear grooves, one side of each driven gear 5 is engaged and connected with one side of the corresponding driving gear 4, the diameter of the driving gear 4 is larger than that of the driven gear 5, a plurality of door panel gear teeth 14 are integrally arranged on the upper side and the lower side of one side of the door panel 3, which is sleeved on the door spindle, and the door panel gear teeth 14 on one side are meshed with one side of the driven gear 5;
a charging box 6, the charging box 6 is inserted and arranged at one side of the protective box 1 through a sliding component, a cable 17 is connected between the charging box 6 and the protective box 1, the sliding assembly comprises four sliding rails 7 and four sliding plates 8, the four sliding rails 7 are respectively and horizontally and symmetrically arranged on one side, close to the four driving gears 4, of the protection box 1, sliding grooves are formed in one sides, close to the driving gears 4, of the sliding rails 7 in a penetrating mode, one sides of the driving gears 4 are arranged in the sliding grooves in a penetrating and inserting mode, the four sliding plates 8 are respectively and horizontally and symmetrically arranged on two sides of the charging box 6 through mounting blocks, strip-shaped grooves are formed in one sides, close to the driving gears 4, of the sliding grooves in a penetrating mode, the four sliding plates 8 are respectively arranged in the sliding grooves in a penetrating and inserting mode through the strip-shaped grooves in a penetrating mode, wheel tooth grooves 15 are formed in one sides, close to the driving gears 4, of the wheel tooth grooves 15 are symmetrically provided with a plurality of control wheel teeth 16, and the driving gears 4 are arranged in the sliding grooves in one sides in an inserting mode, and the wheel tooth grooves 15 are arranged;
the traction cylinder 9 is arranged in the center of the protective box 1, and one side of the traction cylinder 9 is connected with one side of the charging box 6;
the breaking-away component is arranged on one side of the charging box 6 and comprises a push plate 10 and a breaking-away ring 11, a charging socket 18 is arranged on one side of the charging box 6, the breaking-away ring 11 is inserted into the charging socket 18, a swing-away groove is formed in one side, opposite to the charging socket 18, of the charging box 6, a connecting plate 19 is arranged in the center of the swing-away groove through a plurality of supporting rods, one side of the connecting plate 19 is connected with one side of the traction cylinder 9, the push plate 10 is inserted into the breaking-away groove and sleeved with the plurality of supporting rods, a reset spring 20 is arranged between the push plate 10 and one side, close to the charging socket 18, of the swing-away groove, a plurality of push rods penetrate through the charging box 6 between the push plate 10 and the breaking-away ring 11, a push seat 21 is arranged on one side of a base of the traction cylinder 9, and the diameter of the push seat 21 corresponds to the breaking-away groove;
the protective assembly is arranged on one side in the protective box 1 and comprises a protective tank 12 and an overflow pipe 13, a tank groove is formed in one side in the protective box 1, the protective tank 12 is vertically inserted and arranged in the tank groove, high-pressure inert gas is arranged in the protective pipe 12, a release pipe 22 is horizontally arranged in the center of one side, located in the protective tank 1, of the protective pipe 12, when the charging box 6 retracts into the protective box 1, the release pipe 22 is in contact with one side of the charging box 6, an embedding groove is formed in a drawing cylinder 9 in the protective box 1, the overflow pipe 13 is inserted and arranged in the embedding groove, the overflow pipe 13 and the embedding groove are both in a spiral structure, a plurality of overflow holes 23 are uniformly formed in one side, close to the protective box 1, of the overflow pipe 13, a butt joint is formed in one side of the release pipe 22, one side of the overflow pipe 13 is arranged through the butt joint of the release pipe 24 in an inserting mode, a sealing piston 25 is arranged in one side in the release pipe 22 in an inserting mode through a limiting plate, the sealing piston 25 is internally provided with communicating grooves 26 penetrating through two sides, the communicating grooves 26 are arranged in an L-shaped structure, one side of each communicating groove 26 is arranged corresponding to the butt joint, a release rod 27 is vertically arranged at the center of one side, close to the limiting plate, of the sealing piston 25, the release rod 27 penetrates through the inserted limiting plate, a reinforcing rod 28 is inserted in the center of one side, away from the sealing piston 25, of the release rod 27, and the pressurizing rod 28 is an electric control telescopic rod.
An underground alternating-current charging stake, underground alternating-current charging stake have above-mentioned cable protective structure.
The working principle is as follows: when in use, after the fire sensor senses that the cable 17 or the charging box 6 is spontaneously combusted, the charging box 6 is retracted into the protection box 1 along the sliding plate 8 and the sliding rail 7 through the independently driven and controlled traction cylinder 9, and is rotationally controlled with the driving gear 4 under the action of the control gear teeth 16 of the sliding plate 8, so that the two door panels 3 are driven to overturn through the driven gear 5, the protective box 1 is sealed and covered, meanwhile, the reinforcing rod 28 extends to a certain degree, the charging box 6 pushes the reinforcing rod 28 to push the sealing piston 25 to move, the communicating groove 26 is butted with the butt joint port, high-pressure inert gas in the protective tank 12 enters the overflow pipe 13 from the butt joint pipe 24 and quickly fills the whole protective box 1 under the action of the overflow hole 23 to extinguish fire, when the protection box 1 only performs simple storage protection on the charging box 6, the reinforcing rod 28 does not need to extend and does not push the sealing piston 25 to release inert gas.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. A cable protection structure is characterized in that: the cable protection structure comprises
The protective box comprises a protective box (1), wherein door panel boxes (2) are symmetrically arranged on two sides of the protective box (1);
the two door plates (3) are respectively arranged in the two door plate boxes (2) through two transmission assemblies, and each transmission assembly comprises a driving gear (4) and a driven gear (5);
the charging box (6) is arranged on one side of the protective box (1) in an inserted manner through a sliding assembly, a cable (17) is connected between the charging box (6) and the protective box (1), and the sliding assembly comprises four sliding rails (7) and four sliding plates (8);
the traction cylinder (9), the traction cylinder (9) is arranged in the center of the protective box (1), and one side of the traction cylinder (9) is connected with one side of the charging box (6);
the breaking-away component is arranged on one side of the charging box (6) and comprises a push plate (10) and a breaking-away ring (11);
the protective assembly is arranged on one side in the protective box (1) and comprises a protective tank (12) and a spill pipe (13).
2. A cable guard structure according to claim 1, wherein: a placing groove is formed in one side of each door plate box (2), a door shaft is vertically arranged in the placing groove close to one side of the protection box (1), and the two door plates (3) are movably inserted into the placing groove through the door shafts respectively.
3. A cable guard structure as claimed in claim 2, wherein: first gear groove and second gear groove have been seted up to the equal level in both sides about being close to door-hinge one side in two door plant casees (2), four drive gear (4) and four driven gear (5) are pegged graft four first gear grooves and four second gear groove settings respectively, and driven gear (5) one side links to each other with drive gear (4) one side meshing, and drive gear (4) diameter is greater than the diameter of driven gear (5).
4. A cable guard structure according to claim 3, wherein: the door plate (3) is sleeved on one side of the door shaft, the upper side and the lower side of the door shaft are integrally provided with a plurality of door plate gear teeth (14), and the door plate gear teeth (14) on one side are meshed with one side of the driven gear (5).
5. A cable guard structure according to claim 4, wherein: four slide rail (7) horizontal symmetry respectively locate and are close to four drive gear (4) one side in protective housing (1), slide rail (7) are close to drive gear (4) one side and run through and have seted up the spout, drive gear (4) one side is run through to peg graft and is arranged in the spout and set up, charging case (6) both sides are located through installation piece horizontal symmetry respectively in four slide (8), it has all run through to be close to charging case (6) one side in the spout and has seted up the bar groove, four slide (8) run through the bar groove respectively and peg graft and arrange in the spout and set up, be close to drive gear (4) one side in slide (8) the grafting spout and all set up round tooth's socket (15), the equal symmetry in one side is equipped with a plurality of control teeth of a cogwheel (16) in round tooth's socket (15), and drive gear (4) arrange in the spout one side and peg graft round tooth's socket (15) setting.
6. A cable guard structure according to claim 5, wherein: the charging box is characterized in that a charging socket (18) is arranged on one side of the charging box (6), a breaking ring (11) is inserted into the charging socket (18), a swing breaking groove is formed in one side, opposite to the charging socket (18), of the charging box (6), a connecting plate (19) is arranged at the center of the swing breaking groove through a plurality of supporting rods, one side of the connecting plate (19) is connected with one side of a traction cylinder (9), a push plate (10) is inserted into the breaking groove and is sleeved with the plurality of supporting rods, a reset spring (20) is arranged between the push plate (10) and the side, close to the charging socket (18), of the breaking groove, a plurality of push rods penetrate through the charging box (6) between the push plate (10) and the breaking ring (11), a pushing seat (21) is arranged on one side of a base of the traction cylinder (9), and the diameter of the pushing seat (21) corresponds to the breaking groove.
7. A cable guard structure as claimed in claim 6, wherein: a tank groove has been seted up to one side in protective housing (1), and the vertical grafting of protective housing (12) is arranged in the tank groove, is filled with high-pressure inert gas in protective tube (12), and protective tube (12) are located protective housing (1) one side center level and are equipped with release pipe (22), and when charging case (6) retracted protective housing (1), release pipe (22) contacted with charging case (6) one side.
8. A cable guard structure as claimed in claim 7, wherein: an embedding groove is formed in the traction cylinder (9) in the protective box (1), the overflow pipe (13) is inserted and arranged in the embedding groove, the overflow pipe (13) and the embedding groove are both of spiral structures, and a plurality of overflow holes (23) are uniformly formed in one side of the overflow pipe (13) close to the inner side of the protective box (1).
9. A cable guard structure according to claim 8, wherein: the interface has been seted up to release pipe (22) one side, the interface setting of release pipe (22) is pegged graft through butt joint pipe (24) to scattered overflow pipe (13) one side, one side is pegged graft through the limiting plate and is equipped with sealed piston (25) in release pipe (22), run through both sides in sealed piston (25) and seted up intercommunication groove (26), intercommunication groove (26) set up for L shape structure, intercommunication groove (26) one side corresponds the setting with the interface, sealed piston (25) are close to limiting plate one side center and are vertically equipped with release lever (27), release lever (27) run through the grafting limiting plate setting, and release lever (27) are kept away from sealed piston (25) one side center and are pegged graft and are equipped with stiffener (28), compression bar (28) are electric telescopic handle.
10. The utility model provides an underground alternating-current charging stake which characterized in that: the underground ac charging post has the cable protection structure of any one of claims 1 to 9.
CN202210591164.0A 2022-05-27 2022-05-27 Cable protective structure and underground alternating-current charging pile Pending CN114771304A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210591164.0A CN114771304A (en) 2022-05-27 2022-05-27 Cable protective structure and underground alternating-current charging pile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210591164.0A CN114771304A (en) 2022-05-27 2022-05-27 Cable protective structure and underground alternating-current charging pile

Publications (1)

Publication Number Publication Date
CN114771304A true CN114771304A (en) 2022-07-22

Family

ID=82409247

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210591164.0A Pending CN114771304A (en) 2022-05-27 2022-05-27 Cable protective structure and underground alternating-current charging pile

Country Status (1)

Country Link
CN (1) CN114771304A (en)

Similar Documents

Publication Publication Date Title
CN212271747U (en) Stereo parking garage with fire extinguishing function
CN100582395C (en) Deep foundation ditch soil excavating and dumping construction device and construction method thereof
CN210559209U (en) Aerial working platform with anti-falling device
CN201405531Y (en) Vertical trash compactor
CN114771304A (en) Cable protective structure and underground alternating-current charging pile
CN210637058U (en) Well head safety construction equipment
CN112096444A (en) Self-recovery type inclined shaft pressure relief explosion-proof device and method for coal mine safety production
CN104309713B (en) Crawler driving unit for coal mine disaster relief robot
CN213415139U (en) Fire-fighting water tank and battery stereoscopic warehouse fire-fighting system comprising same
CN202542614U (en) Home elevator safety blocking device
CN112930910B (en) Felling device for felling branches invaded into power transmission channel and using method thereof
CN103708178A (en) Middle maintenance groove device of scraper conveyer
CN110510087B (en) Underwater detection robot for trash rack of hydropower station
CN211006873U (en) Buried fire hydrant
CN106181917B (en) Equipment maintenance oil drain platform
CN220100068U (en) Novel fire-fighting water tank
CN221625821U (en) Mechanical and electrical equipment overhauls device
CN219062888U (en) Solar monitoring column
CN219950896U (en) Tamping hammer guiding device of tamping tool
CN221680735U (en) Lifting platform for constructional engineering
CN216130934U (en) A excavation platform truck for tunnel rockburst section safety construction
CN218406843U (en) Safety barrier of passageway is patrolled and examined at circular coal yard of thermal power factory in setting
CN221191409U (en) Communication pipeline construction device
CN213301184U (en) Subsidence area monitoring facilities of coal mining
CN221220509U (en) Tunnel soft rock deformation control device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination