CN105298376A - Climbing overhauling platform car - Google Patents
Climbing overhauling platform car Download PDFInfo
- Publication number
- CN105298376A CN105298376A CN201510658134.7A CN201510658134A CN105298376A CN 105298376 A CN105298376 A CN 105298376A CN 201510658134 A CN201510658134 A CN 201510658134A CN 105298376 A CN105298376 A CN 105298376A
- Authority
- CN
- China
- Prior art keywords
- inspection platform
- service chamber
- overhauling
- ascending
- platform car
- 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.)
- Granted
Links
Landscapes
- Forklifts And Lifting Vehicles (AREA)
- Ladders (AREA)
Abstract
The invention provides a climbing overhauling platform car. The climbing overhauling platform car comprises a base, wheels, an overhauling box, a climbing ladder and an overhauling platform, wherein the base is used for supporting; the wheels are arranged at the lower end of the base; the overhauling box is arranged on the base and is used for storing overhauling devices; the climbing ladder is arranged at the upper end of the base and is used for providing climbing supporting; the overhauling platform is fixedly mounted at one end of the climbing ladder and is located above the overhauling box. The climbing overhauling platform car provided by the invention can realize integrated setting of preparation, fixation and overhauling processes of overhauling work; preparation time and fixation time of the overhauling devices are saved; meanwhile, the stable overhauling platform is provided and the working efficiency of whole overhauling is improved; a special overhauling car for the overhauling platform, provided by the invention, has the advantages that the management is convenient, equipment is reasonable to mount and is convenient to move, and the overhauling car has a climbing function.
Description
Technical field
The invention belongs to electric power overhaul power tool technical field, specifically, the present invention relates to one and to ascend a height inspection platform car, particularly relate to the maintenance to switchboard, switch-box etc.
Background technology
Power industry switch mechanism box, switchboard protection room and bus-bar room higher, maintainer carries out work by ladder or height adjusting stool, also needs various consumptive material, instrument and instrument, spare part etc. simultaneously; Maintainer installs to all requirements on tool car, is carrying on ladder or height adjusting stool carries out overhaul of the equipments, especially narrow space in 10kV switch gear room, uses during ladder and there are some risks, bring huge trouble to service work; Scene is transported to repair apparatus place instrument consumptive material etc., also needs the equipment of ascending a height to lift to repair apparatus, and consume a large amount of manpowers, scene is relatively more random simultaneously, increases the work difficulty of overhauling; So, convenient management is provided, equipment lay rationally and convenient mobile, to carry the inspection platform of ascending a height be current this area problem anxious to be resolved.
Now commercially there is a lot of ladder truck, if the applying date is on December 18th, 2014, application number is 201420799173.X, the patent document that name is called " a kind of multi-functional operation tool case of ascending a height ", the multi-functional operation tool case of ascending a height of this patent document comprises car body, tool box, handle, rear support stand, handrail, universal caster wheel, brake gear, castor, pedal, skid resistant course and guardrail handrail, car body front lower portion is provided with two castors, car body rear lower is provided with two universal caster wheels, car body is installed with tool box, tool box fixedly mounts jug, after car body, rear support stand is installed, car body is provided with stepped pedal, pedal both sides are provided with guardrail handrail.This multi-functional operation tool case of ascending a height, multiple functional, be convenient to transport operation apparatus, there is function of ascending a height simultaneously, avoid the loaded down with trivial details of hand-held multiple aid, add processing safety, when using this multi-functional operation tool case of ascending a height to operate, can disposable band full operation apparatus, add the safety of operation; But the multi-functional operation tool case of ascending a height that this patent document provides still cannot reach the function of fixation maintenance integration.For another example the applying date is on February 13rd, 2015, application number is 201520106636.4, name is called a kind of patent document overhauling auxiliary ladder, the auxiliary ladder of maintenance of this patent document aims to provide one and can move easily and conversion process position, mobile easy, it is firm to locate, mobile status and stationary state switch operating ladder easily, comprise ladder, operation post, stage portion, ladder is provided with two converter sections, converter section comprises adjustment cross bar, fixed cross beam, fixed cross beam is provided with two castor assemblies, castor assembly comprises sleeve, castor, wheel carrier etc., the beneficial effect of this patent document is: can assist and carry out ascend operation, can be pushed easily, the course of work is stablized.The maintenance that this patent document provides is auxiliary is only use of preparing with ladder, more cannot reach the function of fixation maintenance integration.
By upper analysis, the ladder of known prior art there is feature and defect is: function is comparatively single, cannot realize fixation maintenance integrated function.
Summary of the invention
One is the object of the present invention is to provide to ascend a height inspection platform car, to solve the technical problem that the function of ladder that prior art exists is single, cannot realize fixation maintenance integration.
In order to solve the problem, the invention provides one and to ascend a height inspection platform car, its technical scheme is as follows:
One is ascended a height inspection platform car, comprises base, for providing support; Wheel, is arranged on the lower end of described base; Service chamber, is arranged on described base, and described service chamber is for placing maintenance apparatus; Step ladder, is arranged on the upper end of described base, supports for providing to climb; And inspection platform, be fixedly mounted on one end of described step ladder, and be positioned at the top of described service chamber.
Ascend a height described above inspection platform car, more preferably: also comprise brake, described brake is arranged on the side of described wheel, for spacing to described wheel.
To ascend a height described above inspection platform car, more preferably: also comprise pushing hands, be fixedly mounted on described base.
To ascend a height described above inspection platform car, more preferably: also comprise handle, be fixedly mounted on the sidewall of described service chamber.
To ascend a height described above inspection platform car, more preferably: the distance between the adjacent step of described step ladder is 30cm.
To ascend a height described above inspection platform car, more preferably: the angle on described step ladder and ground is 60 °.
To ascend a height described above inspection platform car, more preferably: described step ladder is that isolation material makes.
To ascend a height described above inspection platform car, more preferably: be provided with four standing grooves in described service chamber, be respectively instrument groove, for placing maintenance instrument; Well, for placing service kit; Power supply axial trough, for placing power supply axle; With consumptive material groove, for placing consumptive material.
Ascending a height described above inspection platform car, more preferably: also comprise elevating mechanism, being arranged on described service chamber, for being elevated described service chamber.
To ascend a height described above inspection platform car, more preferably: described elevating mechanism comprises elevating lever, described elevating lever is L shape structure, the long-armed medium position of described elevating lever is connected with the side walls hinged of described step ladder, galianconism and the described service chamber of described elevating lever are articulated and connected, and described elevating lever is for being elevated described service chamber; With two or more support bar, one end and the described base of described support bar are articulated and connected, and the other end of described support bar and the bottom of described service chamber realize being slidably matched, and support bar described in two or more provides support described service chamber.
Analyze known, compared with prior art, advantage of the present invention and beneficial effect are:
One, inspection platform car of ascending a height provided by the invention can realize the integrated setting of the preparation of upkeep operation, fixation and maintenance process, save preparation and the fixation time of maintenance apparatus, the inspection platform of Absorbable organic halogens is provided simultaneously, improves overall service work efficiency; Can say, the invention provides a kind of convenient management, equipment is laid rationally, conveniently move and carry and step on the special tool car of H.D inspection platform.
Two, the present invention is provided with described brake, can be realized walking or the stopping of described wheel by brake, and when needs sliding platform, described brake removes the operation of the spacing just energy implementation platform car to described wheel; When needs firm base, by described brake by spacing for described wheel, the just stopping of energy implementation platform car.
Three, the present invention is provided with described pushing hands, conveniently can carry out promotion to platform truck and control.
Four, the present invention arranges handle on described service chamber, can conveniently to the control of described service chamber.
Five, described step ladder of the present invention is that isolation material makes, and can prevent from occurring in maintenance process that electric leakage damages service work personnel.
Six, described service chamber is set to four standing grooves by the present invention, can conveniently sort out maintenance apparatus, when to certain maintenance apparatus urgent need, can find in time.
Seven, the present invention includes described elevating mechanism, service work personnel can take maintenance apparatus at any time; Moreover the special elevating mechanism that the present invention is arranged, all parts (namely using described step ladder as support, the hinged setting by each bar) taking full advantage of platform truck achieves the lifting of described service chamber in time.
Accompanying drawing explanation
Fig. 1 is the front view of the inspection platform car of ascending a height of the preferred embodiment of the present invention.
Fig. 2 is the top view of the inspection platform car of ascending a height of the preferred embodiment of the present invention.
Fig. 3 is the structural representation (when not rising) arranging lifting gear of the preferred embodiment of the present invention
Fig. 4 is the structural representation (during rise) arranging lifting gear of the preferred embodiment of the present invention.
In figure, 1-base; 2-service chamber; 21-instrument groove; 22-well; 23-power supply axial trough; 24-consumptive material groove; 3-wheel; 4-step ladder; 5-top armrest; 6-overhauls handrail; 7-inspection platform; 8-elevating lever; 9-turning cylinder; 10-lift shaft; 11-support bar; 12-supports chute; 13-button.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further details.
As shown in Figure 1, the inspection platform car of ascending a height of the preferred embodiment of the present invention comprises base 1, for providing support; Wheel 3, is arranged on the lower end of base 1; Service chamber 2, is arranged on base 1, and service chamber 2 is for placing maintenance apparatus; Step ladder 4, is arranged on the upper end of base 1, supports for providing to climb; Inspection platform 7, is fixedly mounted on one end of step ladder 4, and is positioned at the top of service chamber 2.
Generally speaking, inspection platform car of ascending a height provided by the invention, be provided with the wheel 3 that transport capacity can be provided, make whole inspection platform car of ascending a height can play transport simple labour-saving feature, base 1 is provided with a service chamber 2 (namely placing maintenance apparatus in service chamber 2), achieve the integrated setting of the preparation of upkeep operation at any time, fixation and maintenance like this, save preparation and the fixation time of maintenance apparatus, the inspection platform of Absorbable organic halogens is provided simultaneously, improves overall service work efficiency; Can say, inspection platform car of ascending a height provided by the invention has possessed all functions of step ladder, transport vehicle, maintenance apparatus storage case (i.e. service chamber 2 of the present invention), that is, the invention provides a kind of convenient management, equipment is laid rationally, conveniently move and carry and step on the special tool car of H.D inspection platform.
In service work process, need the stability considering tool car, based on this, the present invention also comprises brake (not shown), and brake is arranged on the side of wheel 3, for being fixed by wheel 3; After wheel 3 is checked by brake of the present invention, now tool car can use together with inspection platform 7 as ladder.In the present invention, should find out, because the present invention is using step ladder 4 as ascending tool, be provided with again inspection platform 7, such service work personnel can climb up inspection platform 7 by step ladder 4, without the need to preparing separately ladder or lift platform simultaneously.
Conveniently control the promotion of tool car, the present invention also comprises pushing hands (not shown), is fixedly mounted on base 1.
Conveniently to the control of service chamber 2, the present invention also comprises handle (not shown), is fixedly mounted on the sidewall of service chamber 2.
The particularity of service work, consider the handled easily of service work personnel, the distance between the adjacent step of step ladder 4 of the present invention is 30cm simultaneously.
The most laborsaving during in order to make climbing, step ladder 4 and the angle α on ground are set to 60 ° by the present invention, and this setup is the consumption of the muscle power that can reduce service work personnel.
In order to prevent electric leakage from causing service work personnel to injure, step ladder 4 of the present invention is isolation material making.And the withstand voltage effect of step ladder 4 can meet conventional needs.Be preferably, the tread of step ladder 4 of the present invention is anti-skidding tread, can prevent service work personnel from being slipped down by step ladder 4, two lateral braces of step ladder 4 of the present invention can bear service work personnel and carry maintenance aid climbing time gross weight, so also can ensure that whole inspection platform car of ascending a height is firm complete; In normal conditions, the design weight of whole inspection platform car of ascending a height of the present invention is that 200kG is comparatively suitable.
When overhauling, having a lot of maintenance apparatuses to be placed in service chamber 2, in the present invention, all maintenance apparatuses being divided into instrument class, tool-class, power supply axle class and consumptive material class, maintenance apparatus can be carried out difference and sort out by certainly different staff; Based on this, as shown in Figure 2, the present invention is provided with four standing grooves in service chamber 2, is respectively instrument groove 21, for placing maintenance instrument; Well 22, for placing service kit; Power supply axial trough 23, for placing power supply axle; With consumptive material groove 24, for placing consumptive material.Require to be divided into multiple storage trough namely to form four standing grooves by dividing plate according to 5S (five is little) fixation in service chamber 2 in the present invention; According to the classification of different people, standing groove can be set to different numbers, and different classification is carried out to maintenance apparatus, but as long as the classification carried out according to this principle, all fall within protection scope of the present invention.
After service work personnel have climbed up step ladder 4, when needing to change or reuse maintenance apparatus, under regular situation, service work personnel need again to take maintenance apparatus, conveniently service work personnel reselect maintenance apparatus, the present invention also comprises elevating mechanism (not shown), is arranged on service chamber 2, for lift maintaining case 2.Any mechanism that can be used for lift maintaining case 2 all can use in the present invention.As shown in Figure 3, Figure 4, more preferably: elevating mechanism comprises elevating lever 8, elevating lever 8 is L shape structure (namely elevating lever 8 is divided into long-armed and galianconism, forms L shape structure by long-armed and galianconism), and the long-armed medium position of elevating lever 8 is connected with the side walls hinged of step ladder 4; Articulated manner can be on the sidewall of step ladder 4, be provided with a turning cylinder 9, and elevating lever 8 coordinates with turning cylinder 9 is hinged; Galianconism and the service chamber 2 of elevating lever 8 are articulated and connected; Articulated manner can be provided with lift shaft 10 in the side of service chamber 2, and galianconism end and the lift shaft 10 of elevating lever 8 are articulated and connected; With two or more support bar 11, one end and the base 1 of support bar 11 are articulated and connected, and the other end of support bar 11 and the bottom of service chamber 2 realize being slidably matched; Sliding matching mode can be provided with two or more to support chute 12 in the bottom of service chamber 2, and multiple support chute 12 is arranged with support bar 11 one_to_one corresponding, and the other end termination of support bar 11 is placed in and supports in chute 12.Lifting process is: as shown in Figure 4, and pull long-armed (as shown in Figure 4, the pulling left) of elevating lever 8, the galianconism of elevating lever 8 up promotes, now due to the galianconism of elevating lever 8 and service chamber 2 hinged, and then drive service chamber 2 to promote; Now be positioned at the support bar 11 of service chamber 2 lower end for being supported by service chamber 2; At this moment, can according to the maintenance apparatus in the demand use and maintenance case 2 of service work personnel; After finishing using, pull elevating lever 8 just service chamber 2 to be resetted.In order to the elevating lever 8 after pulling can being located, as shown in Figure 4, the present invention also comprises button 13, and button is arranged on the sidewall of step ladder 4, button press 13, and button 13 will stretch out, for positioning elevating lever 8; Press button 13 again, button 13 will bounce back in the sidewall of step ladder 4, removes the location to elevating lever 8.
Analyze known, compared with prior art, advantage of the present invention and beneficial effect are:
One, inspection platform car of ascending a height provided by the invention can realize the integrated setting of the preparation of upkeep operation, fixation and maintenance process, save preparation and the fixation time of maintenance apparatus, the inspection platform of Absorbable organic halogens is provided simultaneously, improves overall service work efficiency; Can say, the invention provides a kind of convenient management, equipment is laid rationally, conveniently move and carry and step on the special tool car of H.D inspection platform.
Two, the present invention is provided with brake, can be realized walking or the stopping of wheel 3 by brake, and when needs sliding platform, brake removes the operation of the spacing just energy implementation platform car to wheel 3; When needs firm base, by brake by spacing for wheel 3, the just stopping of energy implementation platform car.
Three, the present invention is provided with pushing hands, conveniently can carry out promotion to platform truck and control.
Four, the present invention arranges handle on service chamber 2, can conveniently to the control of service chamber 2.
Five, step ladder 4 of the present invention makes for isolation material, can prevent from occurring in maintenance process that electric leakage damages service work personnel.
Six, service chamber 2 is set to four standing grooves by the present invention, can conveniently sort out maintenance apparatus, when to certain maintenance apparatus urgent need, can find in time.
Seven, the present invention includes elevating mechanism, service work personnel can take maintenance apparatus at any time; Moreover the special elevating mechanism that the present invention is arranged, all parts (namely using step ladder 4 as support, the hinged setting by each bar) taking full advantage of platform truck achieves the lifting of service chamber 2 in time.
As known by the technical knowledge, the present invention can be realized by other the embodiment not departing from its Spirit Essence or essential feature.Therefore, above-mentioned disclosed embodiment, with regard to each side, all just illustrates, is not only.Within the scope of the present invention all or be all included in the invention being equal to the change in scope of the present invention.
Claims (10)
1. to ascend a height an inspection platform car, it is characterized in that, comprising:
Base, for providing support;
Wheel, is arranged on the lower end of described base;
Service chamber, is arranged on described base, and described service chamber is for placing maintenance apparatus;
Step ladder, is arranged on the upper end of described base, supports for providing to climb; With
Inspection platform, is fixedly mounted on one end of described step ladder, and is positioned at the top of described service chamber.
2. inspection platform car of ascending a height according to claim 1, is characterized in that, also comprise:
Brake, described brake is arranged on the side of described wheel, for spacing to described wheel.
3. inspection platform car of ascending a height according to claim 1 and 2, is characterized in that, also comprise:
Pushing hands, is fixedly mounted on described base.
4. inspection platform car of ascending a height according to claim 1 and 2, is characterized in that, also comprise:
Handle, is fixedly mounted on the sidewall of described service chamber.
5. inspection platform car of ascending a height according to claim 1 and 2, is characterized in that:
Distance between the adjacent step of described step ladder is 30cm.
6. inspection platform car of ascending a height according to claim 1 and 2, is characterized in that:
The angle on described step ladder and ground is 60 °.
7. inspection platform car of ascending a height according to claim 1 and 2, is characterized in that:
Described step ladder is that isolation material makes.
8. inspection platform car of ascending a height according to claim 1 and 2, is characterized in that:
In described service chamber, be provided with four standing grooves, be respectively instrument groove, for placing maintenance instrument; Well, for placing service kit; Power supply axial trough, for placing power supply axle; With consumptive material groove, for placing consumptive material.
9. inspection platform car of ascending a height according to claim 1 and 2, is characterized in that, also comprise:
Elevating mechanism, is arranged on described service chamber, for being elevated described service chamber.
10. inspection platform car of ascending a height according to claim 9, it is characterized in that, described elevating mechanism comprises:
Elevating lever, described elevating lever is L shape structure, and the long-armed medium position of described elevating lever is connected with the side walls hinged of described step ladder, and galianconism and the described service chamber of described elevating lever are articulated and connected, and described elevating lever is for being elevated described service chamber; With
Two or more support bar, one end and the described base of described support bar are articulated and connected, and the other end of described support bar and the bottom of described service chamber realize being slidably matched, and support bar described in two or more provides support described service chamber.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510658134.7A CN105298376B (en) | 2015-10-13 | 2015-10-13 | One kind is ascended a height inspection platform car |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510658134.7A CN105298376B (en) | 2015-10-13 | 2015-10-13 | One kind is ascended a height inspection platform car |
Publications (2)
Publication Number | Publication Date |
---|---|
CN105298376A true CN105298376A (en) | 2016-02-03 |
CN105298376B CN105298376B (en) | 2017-11-14 |
Family
ID=55196105
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510658134.7A Active CN105298376B (en) | 2015-10-13 | 2015-10-13 | One kind is ascended a height inspection platform car |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN105298376B (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113459292A (en) * | 2021-07-28 | 2021-10-01 | 江西志宏安防科技有限公司 | Security protection wiring system suitable for intelligent building |
CN114033295A (en) * | 2021-11-16 | 2022-02-11 | 广东电网有限责任公司 | Electric power overhauls device |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000310093A (en) * | 1999-04-27 | 2000-11-07 | Taisei Corp | Foldable accommodation ladder |
CA2555715A1 (en) * | 2006-08-14 | 2008-02-14 | Gary J. Robichaud | Multipurpose ladder tray |
CN102493758A (en) * | 2011-12-12 | 2012-06-13 | 彭睿 | Multifunctional ladder |
CN204323442U (en) * | 2014-12-30 | 2015-05-13 | 山东吉祥装饰建材有限公司 | A kind of fishplate bar transport carriage |
CN204450498U (en) * | 2014-12-18 | 2015-07-08 | 国家电网公司 | A kind of multi-functional operation tool case of ascending a height |
CN204476239U (en) * | 2015-02-13 | 2015-07-15 | 浙江弘道科技有限公司 | The auxiliary ladder of a kind of maintenance |
CN205135393U (en) * | 2015-10-13 | 2016-04-06 | 国家电网公司 | Maintenance platform truck of ascending a height |
-
2015
- 2015-10-13 CN CN201510658134.7A patent/CN105298376B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000310093A (en) * | 1999-04-27 | 2000-11-07 | Taisei Corp | Foldable accommodation ladder |
CA2555715A1 (en) * | 2006-08-14 | 2008-02-14 | Gary J. Robichaud | Multipurpose ladder tray |
CN102493758A (en) * | 2011-12-12 | 2012-06-13 | 彭睿 | Multifunctional ladder |
CN204450498U (en) * | 2014-12-18 | 2015-07-08 | 国家电网公司 | A kind of multi-functional operation tool case of ascending a height |
CN204323442U (en) * | 2014-12-30 | 2015-05-13 | 山东吉祥装饰建材有限公司 | A kind of fishplate bar transport carriage |
CN204476239U (en) * | 2015-02-13 | 2015-07-15 | 浙江弘道科技有限公司 | The auxiliary ladder of a kind of maintenance |
CN205135393U (en) * | 2015-10-13 | 2016-04-06 | 国家电网公司 | Maintenance platform truck of ascending a height |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113459292A (en) * | 2021-07-28 | 2021-10-01 | 江西志宏安防科技有限公司 | Security protection wiring system suitable for intelligent building |
CN114033295A (en) * | 2021-11-16 | 2022-02-11 | 广东电网有限责任公司 | Electric power overhauls device |
Also Published As
Publication number | Publication date |
---|---|
CN105298376B (en) | 2017-11-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN202186848U (en) | Universal movable maintenance gantry crane | |
CN201376585Y (en) | Cart type mobile lifting platform | |
CN204915762U (en) | Multi -functional dolly of power construction site operation | |
CN201562914U (en) | Self-propelled intelligent power overhaul lifting truck | |
CN102996062A (en) | Maintenance lifting platform and application method thereof | |
CN102386577A (en) | Intelligent type inflatable automatic-lifting overhauling platform for transmission equipment | |
CN205135393U (en) | Maintenance platform truck of ascending a height | |
CN206394652U (en) | Breaker transfer, maintenance transport vehicle | |
CN105298376A (en) | Climbing overhauling platform car | |
CN202765066U (en) | Semi-automatic mechanical load-bearing device with function of walking up and down stairs | |
CN205081385U (en) | Safe climbing platform | |
CN211705806U (en) | Ascending device for overhauling wind driven generator | |
CN205872762U (en) | Device packaging box | |
CN114132875B (en) | Tower aerial working platform | |
CN105313935B (en) | A kind of Multifunctional carrier | |
CN102721838A (en) | Mobile test platform for secondary verification | |
CN214044700U (en) | Special trolley for replacing current transformer of armored switch cabinet | |
CN202423901U (en) | Intelligent and inflatable automatic lifting overhauling stand for power transformation equipment | |
CN211813303U (en) | Scissor-fork type lifting device and scissor-fork type aerial work platform | |
CN211899519U (en) | Building construction removes operation platform | |
CN210307596U (en) | Device for replacing current transformer of switch cabinet | |
CN203402829U (en) | Frame of lifting machine for portable transformer | |
CN202749732U (en) | Operating platform for power switch | |
CN202939182U (en) | Mobile test platform for secondary verification | |
CN212583589U (en) | Engineering ladder convenient to architectural equipment installation |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |