CN106837160B - Base of maintenance ladder - Google Patents
Base of maintenance ladder Download PDFInfo
- Publication number
- CN106837160B CN106837160B CN201710039996.0A CN201710039996A CN106837160B CN 106837160 B CN106837160 B CN 106837160B CN 201710039996 A CN201710039996 A CN 201710039996A CN 106837160 B CN106837160 B CN 106837160B
- Authority
- CN
- China
- Prior art keywords
- sucker
- spanner
- support shaft
- stop block
- axis
- 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.)
- Active
Links
- 238000012423 maintenance Methods 0.000 title claims abstract description 40
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 29
- 230000008439 repair process Effects 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 9
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 claims description 3
- 241000252254 Catostomidae Species 0.000 description 2
- 230000009194 climbing Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000881 depressing effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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
- E06C1/24—Non-hinged free-standing ladders
- E06C1/28—Non-hinged free-standing ladders multi-part
- E06C1/30—Non-hinged free-standing ladders multi-part extensible, e.g. telescopic
-
- 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
-
- 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
- E06C1/381—Ladders with rungs or treads attached only to one rigid longitudinal member
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/08—Special construction of longitudinal members, or rungs or other treads
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/50—Joints or other connecting parts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
Abstract
A base of a maintenance ladder mainly comprises a base, a plurality of sections of central columns with the same structure, a top seat and a connecting shaft for fixing the top seat on the uppermost-stage central column. The central columns are connected in series up and down and then inserted into the fixing holes on the tops of the bases for positioning, then the top bases are fixed on the tops of the uppermost-stage central columns through connecting shafts to form an upright maintenance ladder, maintenance personnel can climb up to the top from the outside of the central columns by stepping on steps on the outer walls of the central columns without leaning on a wall body, then the bases are maintained on the top bases, and the steps are stepped down after maintenance is finished; paste tight ground through the sucking disc to the base can stretch out and draw back, adjusts the base down just can increase the stability of maintenance ladder.
Description
Technical field
The present invention relates to a kind of pedestals of main body maintenance ladder perpendicular to the ground with telescopic leg, belong to the optimization skill of ladder
Art.
Background technology
The drawbacks of existing ladder is " "-" type " or " chevron shaped ", " "-" type " ladder be：Wall is needed when in use
Face supports, as no similar cover in the case of supporting point, when such as centre installs pendent lamp or more changes the bulb in a room,
It needs to operate in room intermediate vertical, " "-" type " ladder cannot be used.
Chevron shaped ladder can shake, and be unfavorable for installation operation；Meanwhile " chevron shaped " ladder is in use, ladder needs
It opens, needs to occupy larger space.
It is, thus, sought for a kind of preferable maintenance ladder of the stability not needing wall face supporting in use.
Invention content
The purpose of the present invention is：A kind of pedestal of the preferable maintenance ladder of the stability not needing wall face supporting is provided.
Technical scheme of the present invention：A kind of pedestal of maintenance ladder, the pedestal 1 mainly include fixed column 11, three or
Four discoid suckers 12, support shaft 13, eccentric spanner 14；It is wrapped in one piece of flexible rubber below the sucker bottom wall
Skin, the surrounding of rubber wrap the lower part of sucker upwards；Described 13 one end of support shaft and the lug axis on 11 outer wall of fixed column
Even, the other end connects with the lug axis on sucker roof；The eccentric spanner is placed on sucker, eccentric spanner include spanner,
Guide pile and positioning disk, the guide pile pass through sucker, positioning disk to be located at guide pile court from top to bottom along the central shaft of sucker
Under end on, positioning disk is located at below rubber, and the top of guide pile is located at sucker roof top, the top of guide pile and spanner
Terminal shaft connect, the lower section of the one end of spanner and guide pile axis even is equipped with stop block, and the position of spanner and guide pile axis even is only
On stop block between the central shaft of position block and the edge of the stop block far from support shaft, guide pile is located at the height above sucker
More than the height of stop block.
When spanner is removed downwards so that stop block is pushed against on sucker top when, the front end of stop block is pushed against support shaft and sucker
The end of axis even, makes support shaft that can not rotate under the effect of external force, and at this moment, sucker is compressed by positioning disk and rubber
On ground.
When spanner is removed upwards make the front end of stop block be against to make spanner that can not remove upwards again on sucker top when, positioning disk
It moving up and jacks up at the middle part of rubber wall surface directed downwardly upwards, positioning disk is made to leave ground, sucker can be lifted from ground,
Stop block leaves support shaft, and support shaft can rotate under the effect of external force.
The maintenance ladder mainly by pedestal 1, the identical newel 2 of multi-segment structure, footstock 3, footstock is fixed on it is most upper
Connecting shaft 4 on primary centre column forms；Pedestal disposes on the ground, and newel 2 is inserted into after concatenating on pedestal top, finally will top
Seat 3 is fixed on by connecting shaft 4 above most upper pole newel, is equipped on the side wall of newel and outwardly projecting is marked time 21；
It after maintenance personal climbs in repair ladder top, sits on and carries out maintenance work on footstock, repair steps on to mark time again after the completion returns to ground.
The cylindrical stop bit column 15 of upper and lower opening, endoporus and the newel lower section of stop bit column 15 are equipped with below fixed column 11
Cylinder 24 formed tight fit, so that the cylinder of the newel of most next stage is moved up and down in stop bit column endoporus；Stop bit column
15 are connected by position-arresting axis 16 with support shaft 13, and one end of position-arresting axis and lug axis in the middle part of support shaft connect, position-arresting axis it is another
End connects with the lug axis on stop bit column outer wall；The quantity of position-arresting axis is identical with the quantity of support shaft；Above a sucker
After spanner is removed upwards, which can leave ground under the effect of external force, move position-arresting axis, can change position-arresting axis and support
Sucker to make the sucker closer or far from stop bit column, then is pressed onto ground, then spanner is moved downwards to stop block by the angle of axis
After pushing against at the top of sucker, stop block pushes against support shaft.
Marking time, end face upward is equipped with lug, nib or groove.
Advantageous effect：
1, the mounting hole being inserted into after newel being concatenated up and down on pedestal top positions, and then footstock is consolidated by connecting shaft
It is scheduled on the maintenance ladder for forming erect type on most upper level center capital, need not be rested on wall, maintenance personal steps on center
Marking time on column outer wall can be climb outside newel to top, and then seat repairs on footstock, after the completion of repair again
It steps on and marks time；
2, by sucker snugly face, and pedestal can stretch, and pedestal is turned down to the stabilization that can increase maintenance ladder
Property.
Description of the drawings
Attached drawing 1 is the dimensional structure diagram of the present invention；
Attached drawing 2 is the figure that pops of the present invention；
Attached drawing 3 is the schematic diagram of base structure of the present invention；
Attached drawing 4 is that the part of the pedestal of the present invention pops figure；
Attached drawing 5 is the partial cutaway schematic of the newel of the present invention.
Specific implementation mode
As shown in Fig. 1 to Fig. 5, a kind of pedestal of maintenance ladder, mainly by pedestal 1, the identical newel 2 of multi-segment structure, top
Seat 3 forms the connecting shaft 4 that footstock is fixed on most upper level newel.
The newel is cylindricality, is equipped on the side wall of newel and outwardly projecting marks time 21.In use, repair people
Member steps on to mark time and be climbed up and down on maintenance ladder.
Newel is polygon column or cylinder, preferably cylinder.It is small that every section of 2 bottom of newel is equipped with downward projection of maximum gauge
In the polygon positioning column 22 of center column diameter, correspondingly, also being provided with the positioning cylindricality with upper level on the capital of every section of center
At the polygon location hole to lower recess of tight fit, newel is sequentially connected in series the polygon of the newel together, being located above
Shape positioning column 22 is inserted into the polygon location hole that the center of next stage is pushed up surely from top to bottom, and the two forms tight fit, at center
Column outer wall imposes lateral strength, and newel makes maintenance personal repair since the positioning action of polygon positioning column will not rotate
Ladder swash on do not have to when climbing down to worry that newel rotates generation it is dangerous.
It is equipped with upward fixed column 11 on pedestal top, is equipped on fixed capital to lower recess and newel
Polygon positioning column forms the mounting hole of tight fit, the polygon positioning column of most next stage newel inserted base 1 from top to bottom
Mounting hole on top is fixed.
It is in the connecting pole of tight fit, connecting shaft that 4 lower part of connecting shaft, which is with the polygon location hole on the capital of center,
Top be cylinder, on the roof of the cylindrical portion of connecting shaft be equipped with to lower recess cylindrical hole；The footstock bottom
It is equipped with the connecting seat that tight fit is formed with the cylindrical hole on connecting shaft top；The connecting pole of connecting shaft is inserted into from top to bottom and is located at
The polygon location hole of the central shaft of the top positions, then the connecting seat on footstock bottom is inserted into from top to bottom on connecting shaft top
Connecting seat makes footstock be placed on connecting shaft top, and under the effect of external force, footstock can rotate on connecting shaft top.Sometimes it is
It is easy to operate, when maintenance personal needs repairing positioned at the equipment of its body side, by twisting body to side, it will be able to
Make footstock that lateral rotation occur, maintenance personal is made to switch in face of originally in the equipment of its side, being repaired to facilitate.
It is less than the downward of polygon positioning column minimum diameter in the polygon positioning column lower central setting diameter of newel
Cylinder 24 outstanding, correspondingly, the cylindrical hole to lower recess is equipped on the bottom wall of polygon location hole on the capital of center, when
When the polygon positioning column of upper level newel is inserted into the polygon location hole on the capital of next stage center, upper level newel
Cylinder is inserted into the cylindrical hole on the capital of next stage center.The polygon positioning column of upper level newel is being downwardly into next stage
When polygon location hole on newel, cylinder plays the role of guiding, and since its diameter is smaller, it is fixed to be easily inserted into polygon
In the hole of position, then polygon positioning column is set to enter polygon location hole by rotation again, cylinder will be easily downwardly into
Into cylindrical hole.
The mounting hole of the fixed column of the polygon positioning column inserted base of most next stage newel, most next stage newel
Cylinder is downwardly into stop bit column 15 across fixed column.
Pedestal disposes on the ground, is inserted on pedestal top after newel concatenation, is finally fixed on footstock by connecting shaft
Above most upper pole newel, after maintenance personal climbs in repair ladder top, sits on and carry out maintenance work on footstock, after the completion of repair
It steps on to mark time again and returns to ground.
Footstock is equipped with upward handrail, and handrail is equipped with hook.In maintenance process, some dimensions are usually used
Tool and auxiliary appliance are repaiied, can also remove some problematic components from maintenance product sometimes, therefore, maintenance personal usually needs
The satchel of maintenance tool and auxiliary appliance can be placed by carrying, after climbing on footstock, satchel always hang over people be easy it is tired,
Therefore, hook is set on footstock, and maintenance personal hangs over satchel on hook, in maintenance process, can hold help at any time
Hand is to keep the balance of body to prevent danger.
The shape marked time is fan-shaped or square.Marking time, end face upward is equipped with lug, nib or groove, to increase
Maintenance personal's sole tramples the frictional force on marking time, and prevents from skidding.
The pedestal 1 includes mainly fixed column 11, three or four discoid suckers 12, support shaft 13, eccentric spanner
14；It is wrapped in one piece of flexible rubber below the sucker bottom wall, the surrounding of rubber wraps the lower part of sucker upwards；
Described 13 one end of support shaft connects with the lug axis on 11 outer wall of fixed column, and the other end connects with the lug axis on sucker roof；Institute
The eccentric spanner stated is placed on sucker, and eccentric spanner includes spanner, guide pile and positioning disk, and the guide pile is along sucker
Central shaft passes through sucker, positioning disk to be located on guide pile end directed downwardly from top to bottom, and positioning disk is located at below rubber, guide pile
Top be located above sucker roof, the top of guide pile and the terminal shaft of spanner connect, the one end of spanner with guide pile axis even
Lower section is equipped with stop block, the side of position central shaft and stop block far from support shaft in stop block of the spanner with guide pile axis even
On stop block between edge, guide pile is located at the height that the height above sucker is more than stop block.
When spanner is removed downwards so that stop block is pushed against on sucker top when, the front end of stop block is pushed against support shaft and sucker
The end of axis even, makes support shaft that can not rotate under the effect of external force, and at this moment, sucker is compressed by positioning disk and rubber
On ground.
When spanner is removed upwards make the front end of stop block be against to make spanner that can not remove upwards again on sucker top when, positioning disk
It moving up and jacks up at the middle part of rubber wall surface directed downwardly upwards, positioning disk is made to leave ground, sucker can be lifted from ground,
Stop block leaves support shaft, and support shaft can rotate under the effect of external force.
The cylindrical stop bit column 15 of upper and lower opening, endoporus and the newel lower section of stop bit column 15 are equipped with below fixed column 11
Cylinder 24 formed tight fit, so that the cylinder of the newel of most next stage is moved up and down in stop bit column endoporus；Stop bit column
15 are connected by position-arresting axis 16 with support shaft 13, and one end of position-arresting axis and lug axis in the middle part of support shaft connect, position-arresting axis it is another
End connects with the lug axis on stop bit column outer wall；The quantity of position-arresting axis is identical with the quantity of support shaft；Above a sucker
After spanner is removed upwards, which can leave ground under the effect of external force, move position-arresting axis, can change position-arresting axis and support
Sucker to make the sucker closer or far from stop bit column, then is pressed onto ground, then spanner is moved downwards to stop block by the angle of axis
After pushing against at the top of sucker, stop block pushes against support shaft.
Therefore, by spanner upwards, then change position-arresting axis and the angle of support shaft, it will be able to change the height of pedestal
Degree, by depressing spanner, it will be able to the height of firm banking.The extreme lower position that pedestal can be adjusted is in most next stage
The cylinder 24 of stem enters fixed column 11 and polygon positioning column wall surface directed downwardly is against on fixed capital.
Above-described embodiment is intended merely to the purposes of the interpretation present invention, and is not limitation of the present invention, this technology
The those of ordinary skill in field makes a variety of changes or substitutes in the essential scope of the present invention, should also belong to the guarantor of the present invention
Protect scope.
Claims (6)
1. a kind of pedestal of maintenance ladder, it is characterised in that：The pedestal (1) mainly include fixed column (11), three or four
Discoid sucker (12), support shaft (13), eccentric spanner (14)；Be wrapped in below the described sucker bottom wall one piece it is flexible
Rubber, the surrounding of rubber wrap the lower part of sucker upwards；On described support shaft (13) one end and fixed column (11) outer wall
Lug axis connects, and the other end connects with the lug axis on sucker roof；The eccentric spanner is placed on sucker, and eccentric spanner includes
Spanner, guide pile and positioning disk, the guide pile pass through sucker, positioning disk to be located at positioning from top to bottom along the central shaft of sucker
On stake end directed downwardly, positioning disk is located at below rubber, and the top of guide pile is located at sucker roof top, the top of guide pile and
The terminal shaft of spanner connects, and the lower section of the one end of spanner with guide pile axis even is equipped with stop block, position of the spanner with guide pile axis even
On stop block between central shaft in stop block and the edge of the stop block far from support shaft, guide pile is located above sucker
Height is more than the height of stop block.
2. the pedestal of maintenance ladder according to claim 1, it is characterised in that：Stop block is set to be pushed against when spanner is removed downwards
When on sucker top, the front end of stop block is pushed against the end of support shaft even with sucker axis, makes support shaft can not be in the work of external force
It rotates under, at this moment, sucker is pressed on ground by positioning disk and rubber.
3. the pedestal of maintenance ladder according to claim 1, it is characterised in that：When spanner being removed upwards the front end for making stop block
It is against when making spanner that can not remove upwards again on sucker top, positioning disk moves up pushes up at the middle part of rubber wall surface directed downwardly upwards
It rises, so that positioning disk is left ground, sucker can be lifted from ground, and stop block leaves support shaft, and support shaft can be in external force
It rotates under effect.
4. the pedestal of maintenance ladder according to claim 1, it is characterised in that：The maintenance ladder is mainly by pedestal (1), more
Footstock is fixed on the composition of the connecting shaft (4) on most upper level newel by the identical newel of segment structure (2), footstock (3)；Bottom
Seat placement on the ground, is inserted on pedestal top after newel (2) concatenation, is finally fixed on footstock (3) most by connecting shaft (4)
Above the newel of a upper pole, outwardly projecting mark time (21) is equipped on the side wall of newel；Maintenance personal climbs to repair ladder top
It after upper, sit on and carries out maintenance work on footstock, repair steps on to mark time again after the completion returns to ground.
5. the pedestal of maintenance ladder according to claim 4, it is characterised in that：Upper and lower opening is equipped with below fixed column (11)
Cylindrical stop bit column (15), the endoporus of stop bit column (15) and cylinder (24) below newel form tight fit, make most next
The cylinder of the newel of grade can move up and down in stop bit column endoporus；Stop bit column (15) passes through position-arresting axis (16) and support shaft
(13) it is connected, one end of position-arresting axis and the lug axis in the middle part of support shaft connect, the other end of position-arresting axis and connecing on stop bit column outer wall
Trunnion connects；The quantity of position-arresting axis is identical with the quantity of support shaft；After the spanner above a sucker is removed upwards, which exists
Ground can be left under the action of external force, moves position-arresting axis, can change position-arresting axis and the angle of support shaft, to make the sucker
It is pressed onto ground closer or far from stop bit column, then sucker, then spanner is moved to downwards after stop block pushes against at the top of sucker, stop block
Push against support shaft.
6. the pedestal of maintenance ladder according to claim 4, it is characterised in that：In end face upward of marking time equipped with lug, nib or recessed
Slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710039996.0A CN106837160B (en) | 2016-03-24 | 2016-03-24 | Base of maintenance ladder |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710039996.0A CN106837160B (en) | 2016-03-24 | 2016-03-24 | Base of maintenance ladder |
| CN201610173966.4A CN105604474B (en) | 2016-03-24 | 2016-03-24 | Maintenance ladder with telescopic legs |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610173966.4A Division CN105604474B (en) | 2016-03-24 | 2016-03-24 | Maintenance ladder with telescopic legs |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106837160A CN106837160A (en) | 2017-06-13 |
| CN106837160B true CN106837160B (en) | 2018-09-11 |
Family
ID=55984760
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710039996.0A Active CN106837160B (en) | 2016-03-24 | 2016-03-24 | Base of maintenance ladder |
| CN201610173966.4A Active CN105604474B (en) | 2016-03-24 | 2016-03-24 | Maintenance ladder with telescopic legs |
| CN201710039930.1A Pending CN106884611A (en) | 2016-03-24 | 2016-03-24 | Maintenance ladder |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610173966.4A Active CN105604474B (en) | 2016-03-24 | 2016-03-24 | Maintenance ladder with telescopic legs |
| CN201710039930.1A Pending CN106884611A (en) | 2016-03-24 | 2016-03-24 | Maintenance ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN106837160B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107476757B (en) * | 2017-08-31 | 2023-02-03 | 北京金锐世纪高科技有限公司 | Climbing equipment hanger |
| CN109098652B (en) * | 2018-07-30 | 2020-11-10 | 国网河南省电力公司新野县供电公司 | Tower climbing structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1136765A (en) * | 1997-07-18 | 1999-02-09 | Daiki Shoji Kk | Trestle with falling prevention function |
| CN203826743U (en) * | 2014-03-18 | 2014-09-10 | 国家电网公司 | 10kV earthing drill rod pulling device |
| CN105041186A (en) * | 2015-09-05 | 2015-11-11 | 茹朝贵 | Ladder |
| CN204877243U (en) * | 2015-09-06 | 2015-12-16 | 茹子俊 | Ladder |
| CN205063800U (en) * | 2015-10-19 | 2016-03-02 | 茹朝贵 | It is upright terraced |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2278146A (en) * | 1993-05-05 | 1994-11-23 | Joan Elizabeth Jenkins | Stairs platform |
| US20070235255A1 (en) * | 2006-04-03 | 2007-10-11 | Wallace John L | Combination hunting stand and cart |
| CN201783884U (en) * | 2010-07-29 | 2011-04-06 | 何文徽 | Vacuum sucker |
| CN202007627U (en) * | 2011-03-22 | 2011-10-12 | 袁博 | Stable ladder |
| CN202386533U (en) * | 2011-12-21 | 2012-08-22 | 中山华帝燃具股份有限公司 | Antiskid device of boiler body |
| CN202441252U (en) * | 2012-02-15 | 2012-09-19 | 邵益军 | Ladder |
| CN105048142B (en) * | 2015-08-14 | 2017-08-25 | 重庆民生变压器有限责任公司 | The transformer terminal of the highly reliable connection of segmented boss interference |
| CN205001785U (en) * | 2015-09-25 | 2016-01-27 | 深圳市大疆创新科技有限公司 | Support |
| CN205422506U (en) * | 2016-03-24 | 2016-08-03 | 茹朝贵 | Maintenance ladder of flexible foot in area |
-
2016
- 2016-03-24 CN CN201710039996.0A patent/CN106837160B/en active Active
- 2016-03-24 CN CN201610173966.4A patent/CN105604474B/en active Active
- 2016-03-24 CN CN201710039930.1A patent/CN106884611A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1136765A (en) * | 1997-07-18 | 1999-02-09 | Daiki Shoji Kk | Trestle with falling prevention function |
| CN203826743U (en) * | 2014-03-18 | 2014-09-10 | 国家电网公司 | 10kV earthing drill rod pulling device |
| CN105041186A (en) * | 2015-09-05 | 2015-11-11 | 茹朝贵 | Ladder |
| CN204877243U (en) * | 2015-09-06 | 2015-12-16 | 茹子俊 | Ladder |
| CN205063800U (en) * | 2015-10-19 | 2016-03-02 | 茹朝贵 | It is upright terraced |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106884611A (en) | 2017-06-23 |
| CN106837160A (en) | 2017-06-13 |
| CN105604474A (en) | 2016-05-25 |
| CN105604474B (en) | 2017-04-19 |
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