CN111425128A - Indoor and outdoor electrician installation and maintenance operation device and operation method - Google Patents
Indoor and outdoor electrician installation and maintenance operation device and operation method Download PDFInfo
- Publication number
- CN111425128A CN111425128A CN202010204662.6A CN202010204662A CN111425128A CN 111425128 A CN111425128 A CN 111425128A CN 202010204662 A CN202010204662 A CN 202010204662A CN 111425128 A CN111425128 A CN 111425128A
- Authority
- CN
- China
- Prior art keywords
- pedal
- adjusting
- ring
- brake
- foot
- 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
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/14—Ladders capable of standing by themselves
- E06C1/16—Ladders capable of standing by themselves with hinged struts which rest on the ground
- E06C1/18—Ladders capable of standing by themselves with hinged struts which rest on the ground with supporting struts formed as ladders
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/38—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
- E06C1/39—Ladders having platforms; Ladders changeable into platforms
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/38—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
- E06C1/397—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders characterised by having wheels, rollers, or runners
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/42—Ladder feet; Supports therefor
- E06C7/46—Non-skid equipment
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Control Devices (AREA)
Abstract
An indoor and outdoor electrician installation and maintenance operation device and an operation method. The product comprises a left pedal plate and a right pedal plate, wherein the left pedal plate is square, one side of the left pedal plate is provided with 2 mutually parallel left adjusting fixing ports, the left adjusting fixing ports are bonded with a left magnetic ring, the right pedal plate is square, one side of the right pedal plate is provided with 2 mutually parallel right adjusting fixing ports, the right adjusting fixing ports are bonded with a right magnetic ring, a half-mouth-shaped iron insert is inserted into the left magnetic ring and the right magnetic ring to be sucked and positioned when the left magnetic ring and the right magnetic ring are required to be fixed, two sides of the half-mouth-shaped iron insert are respectively inserted into the left magnetic ring and the right magnetic ring, the half-mouth-shaped iron insert is extracted when the left pedal plate and the right pedal plate are moved, the left pedal plate and the right pedal plate are moved by foot pedal, and the 2 half-mouth-shaped iron inserts are mutually parallel. The invention is used for indoor and outdoor electrician installation and maintenance operation.
Description
The technical field is as follows:
The invention relates to an indoor and outdoor electrician installation and maintenance operation device and an operation method.
Background art:
Electricians mostly need to ascend in the process of installation, maintenance and operation, and need to move positions in the process of installation, maintenance and operation, and such moving positions all need operating personnel to climb up and down a ladder used for ascending, and such process not only increases operating personnel's intensity of labour, but also can great reduction installation, maintenance and operation's speed to climb up, the process of climbing down still has unsafe factor.
The invention content is as follows:
The invention aims to provide an indoor and outdoor electrician installation and maintenance operation device and an operation method, which can move freely without climbing up or down for movement and have good use effect.
The above purpose is realized by the following technical scheme:
The utility model provides an indoor outer electrician installation overhauls operating means, its constitution includes: a left foot pedal, a right foot pedal, the left foot board is square, one side of the left foot board is provided with 2 mutually parallel left adjusting fixing openings, the left adjusting fixing port is bonded with a left magnetic ring, the right pedal is square, one side of the right pedal is provided with 2 mutually parallel right adjusting fixing ports, the right adjusting fixing port is bonded with a right magnetic ring, the left magnetic ring and the right magnetic ring are inserted into a half-mouth-shaped iron plug-in unit for suction positioning when needing to be fixed, two sides of the half-mouth-shaped iron plug-in are respectively inserted into the left magnetic ring and the right magnetic ring, the half-mouth-shaped iron plug-in is pulled out when the left pedal and the right pedal are moved, the left pedal and the right pedal are moved by foot, and 2 half-mouth-shaped iron plugs are mutually parallel and suspended to fix the left pedal and the right pedal.
The indoor and outdoor electrician installation and overhaul operating device is characterized in that four corners of a left pedal are provided with left bayonets, the left bayonets are fixedly connected with left supporting legs, the left supporting legs are obliquely arranged, 2 left supporting legs are connected through a group of left pedal cross beams, the left pedal cross beams are vertically arranged and are parallel to each other, the left pedal cross beams are sequentially increased in size from top to bottom, the bottom of each left supporting leg is connected with a left universal rotating wheel, one left universal rotating wheel is provided with a left brake, and the left brake is controlled in a suspended mode; the right pedal is square, four corners of the right pedal are provided with right bayonets, the right bayonets are fixedly connected with right supporting legs, the right supporting legs are obliquely arranged, 2 right supporting legs are connected through a set of right pedal beams, the right pedal beams are vertically arranged and are parallel to each other, the right pedal beams are sequentially and progressively increased from top to bottom, the bottom of each right supporting leg is connected with a right universal rotating wheel, one of the right universal rotating wheels is provided with a right brake, and the right brake is controlled in a suspended mode.
The indoor and outdoor electrician installation and overhaul operating device is characterized in that a group of left lantern rings are arranged on the outer side of one left pedal, a left adjusting control rod is inserted into each left lantern ring, the bottom of each left adjusting control rod is connected with a left inverted U-shaped clamping piece, each left inverted U-shaped clamping piece clamps a left brake and is fixed through a bolt, and the top of each left adjusting control rod is connected with a left movable adjusting ring; the outer side of one of the right pedal plates is provided with a group of right lantern rings, a right adjusting control rod is inserted into each right lantern ring, the bottom of each right adjusting control rod is connected with a right inverted U-shaped clamping piece, each right inverted U-shaped clamping piece clamps the right brake and is fixed through a bolt, and the top of each right adjusting control rod is connected with a right manual adjusting ring.
An indoor outer electrician installation and overhaul operating means, the diameter of left hand operated adjusting ring be greater than the diameter of the left lantern ring, the diameter of right hand operated adjusting ring be greater than the diameter of the right lantern ring, the left lantern ring hold the left hand operated adjusting ring, the right lantern ring hold the right hand operated adjusting ring, the left hand operated adjusting ring with the right hand operated adjusting ring all at high altitude manual control.
According to the indoor and outdoor electrician installation and overhaul operating device, one side of the left pedal plate is fixedly connected with a left fixing belt, the other side of the left pedal plate is connected with a left hook, the left fixing belt is provided with a group of left adjusting fixing holes, the left hook hooks the left adjusting fixing holes for fixing, and the left fixing belt presses a left foot; one side of the right pedal is fixedly connected with a right fixing belt, the other side of the right pedal is connected with a right hook, the right fixing belt is provided with a group of right adjusting fixing holes, the right hook hooks the right adjusting fixing holes for fixing, and the right fixing belt presses the right foot.
An operation method of an indoor and outdoor electrician installation and maintenance operation device is characterized in that a person goes onto a left pedal and a right pedal, steps on the left pedal and the right pedal, inserts a half-mouth-shaped iron insert between a left magnetic ring and a right magnetic ring to attract and position when in fixed position operation, and presses down and fixes a left brake and a right brake; when the left foot pedal and the right foot pedal are required to move, the left fixing belt is used for pressing the fixed left foot, the right fixing belt is used for pressing the fixed right foot, the half-mouth-shaped iron plug-in is pulled up, the left brake is opened by pulling the left adjusting control rod, the right brake is opened by pulling the right adjusting control rod, and the left foot pedal and the right foot pedal are driven to move by the movement of the feet.
Has the advantages that:
1. When the movable half-mouth-shaped iron plug-in connector needs to be moved, a user does not need to go down to the ground, only needs to pull up the half-mouth-shaped iron plug-in connector, opens the left brake through the left adjusting control rod and opens the right brake through the right adjusting control rod in the air, the user can walk by driving the movable half-mouth-shaped iron plug-in connector with feet, the movable half-mouth-shaped iron plug-in connector does not need to climb up and down to.
The left pedal and the right pedal can be used separately or together, and can move freely when used together, so that the bicycle is convenient and simple to move.
Description of the drawings:
Fig. 1 is a schematic structural diagram of the product.
FIG. 2 is a top view of the connection of the left and right foot pedals of FIG. 1.
The specific implementation mode is as follows:
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention.
Example 1:
An indoor and outdoor electrician installation and maintenance operation device comprises a left pedal plate 1 and a right pedal plate 2, wherein the left pedal plate is square, one side of the left pedal plate is provided with 2 mutually parallel left adjusting fixing ports 3, the left adjusting fixing ports are bonded with a left magnetic ring 4, the right pedal plate is square, one side of the right pedal plate is provided with 2 mutually parallel right adjusting fixing ports 5, the right adjusting fixing ports are bonded with a right magnetic ring 6, a half-mouth-shaped iron insert 7 is inserted into the left magnetic ring and the right magnetic ring for suction positioning when the left magnetic ring and the right magnetic ring need to be fixed, the half-mouth-shaped iron insert is inserted into the left magnetic ring and the right magnetic ring for positioning, horizontal movement or dislocation is prevented, the left pedal plate and the right pedal plate can be combined together, a user can safely operate on the left pedal plate and the right pedal plate, the combination and the separation are convenient, two sides of the half-mouth-shaped iron insert into the left magnetic ring and the right magnetic ring respectively, when the left pedal and the right pedal are moved, the half-mouth-shaped iron plug is pulled out, the left pedal and the right pedal are moved by foot, and 2 half-mouth-shaped iron plugs are mutually parallel and suspended to fix the left pedal and the right pedal. The left and right foot pedals each have an area greater than the area of the foot over which the foot can move to a small extent.
Example 2:
The indoor and outdoor electrician installation and overhaul operating device is characterized in that four corners of a left pedal are respectively provided with a left bayonet 8, the left bayonets are fixedly connected with a left supporting leg 9, the left supporting leg is obliquely arranged, the inclination of the left supporting leg is not large, the left pedal can be stably supported, the use safety of the left pedal is ensured, 2 left supporting legs are connected through a group of left pedal cross beams 10, the left pedal cross beams are vertically arranged and are parallel to each other, the left pedal cross beams are sequentially increased from top to bottom, the bottom of the left supporting leg is connected with a left universal rotating wheel 11, one left universal rotating wheel is provided with a left brake 12, and the left brake is controlled in a suspension manner, so that the left brake can be opened and closed only at a high position; the right pedal is square, the four corners of the right pedal are provided with right bayonets 13, the right bayonets are fixedly connected with right supporting legs 14, the right supporting legs are obliquely arranged, the inclination of the right supporting legs is not large, the right pedal can be stably supported, the safety in the use process of the right pedal is ensured, 2 right supporting legs are connected through a group of right pedal cross beams 15, the right pedal cross beams are vertically arranged and are parallel to each other, the right pedal cross beams are sequentially increased from top to bottom, the bottom of the right supporting leg is connected with a right universal rotating wheel 16, one of the right universal rotating wheels is provided with a right brake 17, and the right brake is controlled in a suspension mode and can be opened and closed only at a high position.
Example 3:
The indoor and outdoor electrician installation and overhaul operating device disclosed by embodiment 2 is characterized in that a group of left lantern rings 18 are arranged on the outer side of one of the left foot pedals, a left adjusting control rod 19 is inserted into each left lantern ring, each left lantern ring can limit the left adjusting control rod to ensure that the left adjusting control rod can be operated in a suspended mode and is safe, the bottom of each left adjusting control rod is connected with a left inverted-U-shaped clamping piece 20, each left inverted-U-shaped clamping piece clamps the left brake and is fixed through a bolt, the top of each left adjusting control rod is connected with a left movable adjusting ring 21, and the left inverted-U-shaped clamping pieces and the left adjusting control rods can accurately control the left brake; one of them the outside of right running-board set up a set of right lantern ring 22, the right lantern ring in insert right regulation control lever 23, the right lantern ring can be spacing right regulation control lever, can realize and safety when guaranteeing unsettled right regulation control lever of controlling, the bottom of right regulation control lever connect right side U-shaped holder 24, right side U-shaped holder grasp right brake and pass through the bolt fastening, the top of right regulation control lever connect right hand regulation ring 25, right side U-shaped holder and right regulation control lever can be accurate control right brake.
Example 4:
An indoor outer electrician installation overhaul operating means, the diameter of left hand operated adjusting ring be greater than the diameter of the left lantern ring, the diameter of right hand operated adjusting ring be greater than the diameter of the right lantern ring, the left lantern ring hold the left hand operated adjusting ring, the right lantern ring hold the right hand operated adjusting ring, the left hand operated adjusting ring with the right hand operated adjusting ring all at high altitude manual control.
Example 5:
An indoor and outdoor electrician installation and overhaul operating device in embodiment 1, wherein a left fixing strap 26 is fixedly connected to one side of a left pedal plate, the left fixing strap can be used for adjusting and fixing a left foot, a left hook 27 is connected to the other side surface of the left pedal plate, a group of left adjusting fixing holes 28 are formed in the left fixing strap, the left hook hooks the left adjusting fixing holes for fixing, and the left fixing strap presses the left foot; one side of the right pedal is fixedly connected with a right fixing belt 29 which can adjust and fix the right foot, the other side surface of the right pedal is connected with a right hook 30, the right fixing belt is provided with a group of right adjusting fixing holes 31, the right hook hooks the right adjusting fixing holes to be fixed, and the right fixing belt presses the right foot.
Example 6:
An operation method of an indoor and outdoor electrician installation and maintenance operation device is characterized in that a person goes onto a left pedal and a right pedal, steps on the left pedal and the right pedal, inserts a half-mouth-shaped iron insert between a left magnetic ring and a right magnetic ring to attract and position when in fixed position operation, and presses down and fixes a left brake and a right brake; when the left foot pedal and the right foot pedal are required to move, the left fixing belt is used for pressing the fixed left foot, the right fixing belt is used for pressing the fixed right foot, the half-mouth-shaped iron plug-in is pulled up, the left brake is opened by pulling the left adjusting control rod, the right brake is opened by pulling the right adjusting control rod, and the left foot pedal and the right foot pedal are driven to move by the movement of the feet.
Claims (6)
1. An indoor and outdoor electrician installation and maintenance operation device comprises a left pedal and a right pedal, and is characterized in that the left pedal is square, one side of the left pedal is provided with 2 mutually parallel left adjusting fixing ports, the left adjusting fixing port is bonded with a left magnetic ring, the right pedal is square, one side of the right pedal is provided with 2 mutually parallel right adjusting fixing ports, the right adjusting fixing port is bonded with a right magnetic ring, a half-mouth-shaped iron insert is inserted into the left magnetic ring and the right magnetic ring to be sucked and positioned when needing to be fixed, two sides of the half-mouth-shaped iron insert are respectively inserted into the left magnetic ring and the right magnetic ring, the half-mouth-shaped iron insert is pulled out when the left pedal and the right pedal are moved, the left pedal and the right pedal are moved by foot, the 2 half-mouth-shaped iron inserts are mutually parallel and suspended to fix the left pedal and the right pedal.
2. The indoor and outdoor electrician installing, overhauling and operating device as claimed in claim 1, wherein the left bayonet is arranged at each of four corners of the left pedal plate, the left bayonet is fixedly connected with a left supporting leg, the left supporting leg is obliquely arranged, 2 left supporting legs are connected through a set of left pedal cross beams, the left pedal cross beams are vertically arranged and are parallel to each other, the left pedal cross beams are sequentially increased from top to bottom, the bottom of the left supporting leg is connected with a left universal wheel, one of the left universal wheels is provided with a left brake, and the left brake is controlled by suspension; the right pedal is square, four corners of the right pedal are provided with right bayonets, the right bayonets are fixedly connected with right supporting legs, the right supporting legs are obliquely arranged, 2 right supporting legs are connected through a set of right pedal beams, the right pedal beams are vertically arranged and are parallel to each other, the right pedal beams are sequentially and progressively increased from top to bottom, the bottom of each right supporting leg is connected with a right universal rotating wheel, one of the right universal rotating wheels is provided with a right brake, and the right brake is controlled in a suspended mode.
3. An indoor and outdoor electrician installation, overhaul and operation device as claimed in claim 2, wherein a set of left lantern rings are arranged on the outer side of one of the left foot pedals, a left adjusting control rod is inserted into each left lantern ring, the bottom of each left adjusting control rod is connected with a left inverted U-shaped clamping piece, each left inverted U-shaped clamping piece clamps the left brake and is fixed through a bolt, and the top of each left adjusting control rod is connected with a left movable adjusting ring; the outer side of one of the right pedal plates is provided with a group of right lantern rings, a right adjusting control rod is inserted into each right lantern ring, the bottom of each right adjusting control rod is connected with a right inverted U-shaped clamping piece, each right inverted U-shaped clamping piece clamps the right brake and is fixed through a bolt, and the top of each right adjusting control rod is connected with a right manual adjusting ring.
4. An indoor and outdoor electrician installation and overhaul operation device as claimed in claim 3, wherein the diameter of the left hand operated adjusting ring is larger than that of the left sleeve ring, the diameter of the right hand operated adjusting ring is larger than that of the right sleeve ring, the left sleeve ring supports the left hand operated adjusting ring, the right sleeve ring supports the right hand operated adjusting ring, and the left hand operated adjusting ring and the right hand operated adjusting ring are controlled by hands at high altitude.
5. The indoor and outdoor electrician installing, overhauling and operating device as recited in claim 1, wherein a left fixing strap is fixedly connected to one side of the left pedal plate, a left hook is connected to the other side of the left pedal plate, a set of left adjusting fixing holes are formed in the left fixing strap, the left hook hooks the left adjusting fixing holes for fixing, and the left fixing strap presses the left foot; one side of the right pedal is fixedly connected with a right fixing belt, the other side of the right pedal is connected with a right hook, the right fixing belt is provided with a group of right adjusting fixing holes, the right hook hooks the right adjusting fixing holes for fixing, and the right fixing belt presses the right foot.
6. An operation method of an indoor and outdoor electrician installation and maintenance operation device is characterized in that a person puts on a left pedal and a right pedal, steps on the left pedal and the right pedal, inserts a half-mouth-shaped iron insert between a left magnetic ring and a right magnetic ring to attract and position when in fixed position operation, and presses down and fixes a left brake and a right brake; when the left foot pedal and the right foot pedal are required to move, the left fixing belt is used for pressing the fixed left foot, the right fixing belt is used for pressing the fixed right foot, the half-mouth-shaped iron plug-in is pulled up, the left brake is opened by pulling the left adjusting control rod, the right brake is opened by pulling the right adjusting control rod, and the left foot pedal and the right foot pedal are driven to move by the movement of the feet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010204662.6A CN111425128A (en) | 2020-03-22 | 2020-03-22 | Indoor and outdoor electrician installation and maintenance operation device and operation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010204662.6A CN111425128A (en) | 2020-03-22 | 2020-03-22 | Indoor and outdoor electrician installation and maintenance operation device and operation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111425128A true CN111425128A (en) | 2020-07-17 |
Family
ID=71548479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010204662.6A Pending CN111425128A (en) | 2020-03-22 | 2020-03-22 | Indoor and outdoor electrician installation and maintenance operation device and operation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111425128A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201981993U (en) * | 2010-07-29 | 2011-09-21 | 徐重农 | Stilt type adjustable lifting walking ladder |
| CN202000882U (en) * | 2011-03-28 | 2011-10-05 | 张馨方 | Environment-friendly elevated self-walking ladder |
| WO2015118568A4 (en) * | 2014-02-05 | 2015-09-11 | Santin Miriam | Height-adjustable double platform manually moved |
| CN204703738U (en) * | 2015-02-28 | 2015-10-14 | 李纬 | Aerial work walking ladder |
| CN108915573A (en) * | 2018-07-14 | 2018-11-30 | 黄崇华 | Mobile domestic folding ladder |
-
2020
- 2020-03-22 CN CN202010204662.6A patent/CN111425128A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201981993U (en) * | 2010-07-29 | 2011-09-21 | 徐重农 | Stilt type adjustable lifting walking ladder |
| CN202000882U (en) * | 2011-03-28 | 2011-10-05 | 张馨方 | Environment-friendly elevated self-walking ladder |
| WO2015118568A4 (en) * | 2014-02-05 | 2015-09-11 | Santin Miriam | Height-adjustable double platform manually moved |
| CN204703738U (en) * | 2015-02-28 | 2015-10-14 | 李纬 | Aerial work walking ladder |
| CN108915573A (en) * | 2018-07-14 | 2018-11-30 | 黄崇华 | Mobile domestic folding ladder |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201228207Y (en) | Portable window hoister | |
| CN105958348A (en) | Novel power maintenance frame | |
| CN111614021B (en) | High-voltage cable operation trolley | |
| CN111425128A (en) | Indoor and outdoor electrician installation and maintenance operation device and operation method | |
| CN203545519U (en) | Crane with brake slide wheel device | |
| CN205265110U (en) | Multi -functional electric power overhauls frame | |
| CN110711365A (en) | Pole-climbing device suitable for electric power overhaul and use method | |
| CN107934862B (en) | A kind of electric power apparatus for examination and repair | |
| CN112062065B (en) | Transformer substation overhauls operation platform | |
| CN212522851U (en) | A be convenient for adjust counter weight structure for fitness equipment | |
| CN112510575A (en) | Operation trolley for power transmission line | |
| CN210150629U (en) | Multipurpose crane for disassembling and assembling street lamp | |
| CN207542676U (en) | A kind of frame support apparatus for Schizoid transmission pressure aerial work platform | |
| CN104958874A (en) | Support system of electric foot clasp | |
| CN211392616U (en) | Special device for overhauling brake of hydraulic generator | |
| CN212458851U (en) | Multifunctional test tool for electric power safety tool | |
| CN211850477U (en) | Light flat-step stair | |
| CN205277273U (en) | Pole ladder is stepped on to cement concrete pole | |
| CN2429511Y (en) | Multifunctional hoisting trolley apparatus | |
| CN107717846B (en) | Special jig for disassembling cutter | |
| CN206198571U (en) | A kind of body-building apparatus | |
| CN209608195U (en) | A kind of maintenance bracket of multi-functional large-scale power transformer | |
| CN220010084U (en) | Avionics equipment maintenance governing device | |
| CN215888259U (en) | Deep foundation pit operation integration support | |
| CN203187336U (en) | Large blue printing machine |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200717 |