CN107476758A - A kind of electric power overhaul double ladder - Google Patents
A kind of electric power overhaul double ladder Download PDFInfo
- Publication number
- CN107476758A CN107476758A CN201710835921.3A CN201710835921A CN107476758A CN 107476758 A CN107476758 A CN 107476758A CN 201710835921 A CN201710835921 A CN 201710835921A CN 107476758 A CN107476758 A CN 107476758A
- Authority
- CN
- China
- Prior art keywords
- spacing
- single terraced
- locating part
- ladder
- bar
- 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.)
- Withdrawn
Links
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
- 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
The invention provides a kind of electric power overhaul double ladder, including first single ladder, the second single ladder and connection component, it is attached between first single ladder and second single ladder by connection component；Connection component includes rotating shaft, locating part, by locating part, extension spring and drawstring.Electric power overhaul double ladder proposed by the present invention, it can be fixed to opening two single ladders in obtuse angle, remain on double ladder, putting during use half stepladder in lower must compare vertical, and half stepladder for making to be in eminence is put more horizontal.
Description
Technical field
The present invention relates to electric power overhaul appliance technology, more particularly to a kind of electric power overhaul double ladder.
Background technology
The double ladder of early stage includes two fixed ladders and a positioner being located between two fixed ladders, the two fixed ladders top
Between form and be rotatably connected, expansible positioning is to form double ladder or equivalent positioning to form yi shaped ladder between two fixed ladders.
But in the higher occasion in some positions, light rely on double ladder touch less than.Therefore, there is Publication No.
CN105625934A patent document discloses a kind of double ladder used as vertical ladder, including the people formed that is connected by hinge
Word ladder, the fixation that double ladder stretching is expanded into vertical ladder and used is equipped with stud connection by the connected double ladder formed of hinge
Sleeve pipe.
But made by the form of deformation after ladder increases, the structure of half stepladder in eminence is relative during use
It is unstable.For example, in order to preferably climb, user, which gets used to putting on ladder comparing, to stand, what such ladder was carried
Transverse component is smaller, and ladder is put also relatively stable.This mainly has benefited from half stepladder in lower can be good by ground
Good support, and it is different for half stepladder in eminence, situation.Because can not by the good support in ground, and
Ladder is put to compare in itself and stood, so and unstable.
The content of the invention
To solve above-mentioned technical problem, the present invention proposes a kind of electric power overhaul double ladder, can be to opening in obtuse angle
Two single ladders be fixed, remain on double ladder, half stepladder in lower is put and must be compared
It is vertical, half stepladder in eminence is put more horizontal.
To achieve the above object, the invention provides following technical scheme：
A kind of electric power overhaul double ladder, including first single ladder, the second single ladder and connection component, described first single ladder and institute
State and be attached by the connection component between second single ladder；
The connection component includes rotating shaft, locating part, by locating part, extension spring and drawstring；
The top nearside of the top nearside of described first single ladder and second single ladder is attached by the rotating shaft, and institute
One stated in first single terraced and described second single ladder can fold or open with respect to another around the axis of rotation；
The curved plate-like of locating part, the locating part include multiple located at curved edge and arcuately edge is evenly distributed
Spacing breach；The locating part is fixedly connected on the top nearside of described first single ladder, and between first single ladder
Provided with free gap；The center of circle position of the curved edge of the locating part and the rotating shaft position are overlapping；
Described by locating part is in elongated bulk, the fixing end by locating part by holding axle to be fixed on described second single ladder,
The movable end by locating part is located in the free gap and including spacing block set；Wherein described limited position part is around described
Hold axle to rotate, the spacing block set can be made to be caught in the spacing breach or make the spacing block set disengaging described spacing scarce
Mouthful；
One end connection movable end by locating part of the extension spring, the other end of the extension spring connect the rotating shaft；Wherein
The pulling force that the extension spring provides makes described rotated by locating part around the end axle and to be caught in the spacing block set described spacing
Breach；
Length direction of the drawstring along described first single ladder located at the side of described first single ladder, prolong by one end of the drawstring
Extend the top nearside of described second single ladder and connect the movable end by locating part, the other end of the drawstring is to described
The bottom extension of first single ladder and the bottom of close described first single ladder；The pulling force that wherein described drawstring provides makes described limited
Position part rotates around the end axle and the spacing block set is departed from the spacing breach.
As a kind of embodiment, the connection component includes two groups, and connection component described in two groups is respectively arranged on
The both sides of described first single terraced and described second single ladder.
As a kind of embodiment, the position where multiple spacing breach from the top nearside of described second single ladder
Increase one by one to the position notch depth where the top nearside of described first single ladder.
As a kind of embodiment, the top distal side of described first single ladder is provided with the first directive wheel, described second single ladder
Top distal side be provided with the second directive wheel, one end of the drawstring extends past first directive wheel and second directive wheel
To the top nearside and the connection movable end by locating part of described second single ladder.
As a kind of embodiment, in addition to support component, the support component is located at the side of described second single ladder；
The support component includes interior bar, outer bar, the first action bars and the second action bars；
Located at the side of described second single ladder, the top of the interior bar leads to length direction of the interior bar along described second single ladder
The bottom side of described second single ladder of gimbal suspension connection is crossed, and the interior bar can relative institute around gimbal suspension rotation
Second single ladder is stated to outwardly open；
The outer bar and the interior bar are coaxial and are enclosed on the outside of the interior bar, and the outer bar is provided with and located at the interior bar
The internal thread that external screw thread coordinates, the outer bar can be rotated and along the length of the interior bar by helicitic texture relative to the interior bar
Stretch in degree direction；
In inner hollow shape and coaxial with the outer bar, first action bars is connected first action bars by clutch shaft bearing
Connect the bottom of the outer bar and can be rotated around common axis relative to the outer bar；
Second action bars and the outer bar are coaxial, and second action bars is fixedly connected with the bottom of the outer bar and from institute
The inside for stating the first action bars passes, and second action bars connects first action bars by second bearing；
Wherein, rotating second action bars can be such that the outer bar is rotated relative to the interior bar and along the length of the interior bar
Direction is stretched, so as to adjust the angle that described second single relatively described first single ladder of ladder is opened.
As a kind of embodiment, the support component includes two groups, and support component described in two groups is respectively arranged on
The both sides of described second single ladder；
Wherein, support component described in two groups outwardly opened and first single ladder can be single to described second trapezoidal into three point branch
Support structure.
As a kind of embodiment, the interior bar includes leading to located at the spacing end in top on top, the spacing end in top
The bottom side that the gimbal suspension connects described second single ladder is crossed, it is relatively described interior that the spacing end in top provides the outer bar
Bar is spacing when flexible.
As a kind of embodiment, the outer bar is included located at the lowest limit position end of bottom, and lowest limit position end carries
Spacing when being stretched for the relatively described outer bar of the interior bar, lowest limit position end also provides the clutch shaft bearing connection.
As a kind of embodiment, the interior bar includes leading to located at the spacing end in top on top, the spacing end in top
The bottom side that the gimbal suspension connects described second single ladder is crossed, it is relatively described interior that the spacing end in top provides the outer bar
Bar is spacing when flexible；
The outer bar is included located at the lowest limit position end of bottom, and lowest limit position end provides the relatively described outer bar of interior bar and stretched
Spacing during contracting, lowest limit position end also provides the clutch shaft bearing connection；
The spacing end in the top and lowest limit position end are magnet, and the interior bar and the outer bar are the bar of magnetic material
Body.
The present invention is compared to the beneficial effect of prior art：
The invention provides a kind of electric power overhaul double ladder, can open first single ladder and second single ladder in obtuse angle, beat
Make to be rotated and made spacing block set disengaging spacing breach around end axle by locating part by pulling drawstring during opening.Then adjust
Angle between first single ladder and second single ladder, subsequently unclamping the pulling force that drawstring provides by extension spring makes by locating part around end axle
Rotate and spacing block set is caught in spacing breach, remain on double ladder.When first single ladder and second single ladder are kept
During open mode in obtuse angle, can put first single ladder must compare vertical, and at the same time second single ladder is put more horizontal.Make
Used time, first single ladder can be by the good supports in ground, and second single ladder can not be by the good support in ground but ladder in itself
Put more horizontal, so the overall structure of double ladder is still stable.
Brief description of the drawings
Fig. 1 is the view for the electric power overhaul double ladder that one embodiment of the invention provides；
Fig. 2 is a Status view of connection component in the electric power overhaul double ladder that Fig. 1 is provided；
Fig. 3 is another Status view of connection component in the electric power overhaul double ladder that Fig. 1 is provided；
Fig. 4 is the another Status view of connection component in the electric power overhaul double ladder that Fig. 1 is provided；
Fig. 5 is the view for the electric power overhaul double ladder that another embodiment of the present invention provides；
Fig. 6 is the view of support component in the electric power overhaul double ladder that Fig. 5 is provided.
In figure：1st, first single ladder；2nd, second single ladder；3rd, connection component；301st, rotating shaft；302nd, locating part；303rd, by spacing
Part；304th, extension spring；305th, drawstring；306th, spacing breach；307th, axle is held；308th, spacing block set；309th, the first directive wheel；310th,
Two directive wheels；4th, support component；401st, interior bar；402nd, outer bar；403rd, the first action bars；404th, the second action bars；405th, it is universal
Joint；406th, clutch shaft bearing；407th, second bearing；408th, spacing end is pushed up；409th, lowest limit position end.
Embodiment
Below in conjunction with accompanying drawing, the technical characteristic above-mentioned and other to the present invention and advantage are clearly and completely described,
Obviously, described embodiment is only the section Example of the present invention, rather than whole embodiments.
In one embodiment, as shown in Figure 1.Electric power overhaul double ladder include the single ladder 2 of the first single ladder 1, second and
Connection component 3, it is attached between first single terraced 1 and second single terraced 2 by connection component 3.First single ladder 1 in the present embodiment
Retain traditional terraced structure of list with the structure of second single ladder 2.And the connection component 3 of first single 1 and second single ladder 2 of ladder is connected as schemed
Shown in 2 or Fig. 3, it includes rotating shaft 301, locating part 302, by locating part 303, extension spring 304 and drawstring 305, specifically such as
Under：
For rotating shaft 301, as shown in figure 1, the top nearside of the top nearside of first single ladder 1 and second single ladder 2 passes through rotating shaft 301
Be attached, and one in first single 1 and second single ladder 2 of ladder can with around the shaft 301 rotate another relative folding or
Open.A1, a2 in figure respectively illustrate the position of the top nearside of first single ladder 1, the position in first single terraced 1 top distal side
Put, the b in figure shows the position of the bottom of first single ladder 1.The top that c1, c2 in figure respectively illustrate second single ladder 2 is near
The position of side, second single ladder 2 top distal side position, the d in figure shows the position of the bottom of second single ladder 2.In figure
E1, e2 show the both direction that first single 1 and second single ladder 2 of ladder is folded against or opens.
For locating part 302, as shown in Fig. 2 or Fig. 3,302 curved plate-like of locating part, locating part 302 includes multiple
Located at the curved edge and arcuately evenly distributed spacing breach 306 in edge；Locating part 302 is fixedly connected on first single ladder 1
Top nearside, and be provided with free gap between first single ladder 1（Not shown in figure）；The curved edge of locating part 302
Center of circle position and the position of rotating shaft 301 are overlapping.
For being in elongated bulk by locating part 303, by locating part 303 as shown in Fig. 2 or Fig. 3 by locating part 303
Fixing end by holding axle 307 to be fixed on second single ladder 2, by the movable end of locating part 303 be located in free gap and including
Spacing block set 308；Wherein by locating part 303 around end axle 307 rotate, can make spacing block set 308 be caught in spacing breach 306 or
Spacing block set 308 is set to depart from spacing breach 306.F1, f2 in figure show two rotated by locating part 303 around end axle 307
Direction.
For extension spring 304, as shown in Fig. 2 or Fig. 3, one end connection of extension spring 304 is drawn by the movable end of locating part 303
The other end connection rotating shaft 301 of spring 304（Not shown in figure）；The pulling force that wherein extension spring 304 provides makes by locating part 303 around end axle
307 rotate and spacing block set 308 is caught in spacing breach 306.
For drawstring 305, as shown in Fig. 1 and Fig. 2 or Fig. 1 and Fig. 3, length direction of the drawstring 305 along first single ladder 1
Located at the side of first single ladder 1, one end of drawstring 305 extends to the top nearside of second single ladder 2 and connected by locating part 303
Movable end, bottom extension to first single ladder 1 of the other end of drawstring 305 and close to the bottom of first single ladder 1；Its medium pulling rope
305 pulling force provided make to be rotated around end axle 307 by locating part 303 and spacing block set 308 is departed from spacing breach 306.
In the present embodiment, first single 1 and second single ladder 2 of ladder can be opened in obtuse angle, during opening, along
The length direction of first single ladder 1 pulls drawstring 305, makes to be rotated around end axle 307 by locating part 303 and makes spacing block set 308 de-
From spacing breach 306.Then the angle between the single terraced 1 and second single ladder 2 of adjustment first, subsequently unclamps drawstring 305 by drawing
The pulling force that spring 304 provides makes to be rotated around end axle 307 by locating part 303 and spacing block set 308 is caught in spacing breach 306, makes
Double ladder remains on., can be single by first when first single 1 and second single ladder 2 of ladder keeps open mode in obtuse angle
Ladder 1 is put to compare and stood, and at the same time second single ladder 2 is put more horizontal.In use, first single ladder 1 can be good by ground
Support, second single ladder 2 can not be put more horizontal in itself by the good support in ground but ladder, so double ladder is whole
Body structure is still stable.
In one embodiment, connection component 3 includes two groups, and two groups of connection components 3 are respectively arranged on first single terraced 1 He
The both sides of second single ladder 2.
In the present embodiment, by two groups of connection components 3, the connection between first single 1 and second single ladder 2 of ladder can be increased
Intensity.
In one embodiment, the end of drawstring 305 of two groups of connection components 3 can be tied.
In the present embodiment, can be drawn simultaneously from the both sides of first single 1 and second single ladder 2 of ladder by a total rope
Drag, convenient operation.
In one embodiment, the position where multiple spacing breach 306 from the top nearside of second single ladder 2 is single to first
Position notch depth where the top nearside of ladder 1 increases one by one.
In the present embodiment, by the spacing breach 306 for setting notch depth to differ, be advantageous to first single ladder 1 and the
The angle opened between two single ladders 2 is adjusted.Because in the angle between adjusting first single 1 and second single ladder 2 of ladder, be from
E2 directions are gradually adjusted to e1 directions.If the notch depth of multiple spacing breach 306 is all consistent, then spacing
Projection 308 is easily caught in the relative spacing breach 306 closer to e2 directions by mistake after spacing breach 306 is departed from.
In one embodiment, as shown in figure 4, the top distal side of first single ladder 1 is provided with the first directive wheel 309, second is single
The top distal side of ladder 2 is provided with the second directive wheel 310, and one end of drawstring 305 extends past the first directive wheel 309 and the second directive wheel
The top nearsides of 310 to the second single ladders 2 and connect the movable end by locating part 303.
In the present embodiment, the track of drawstring 305 is limited by the first directive wheel 309 and the second directive wheel 310.
Because connection component 3 is actually a relative complex structure, there is more matching relationship in inside.So drawstring 305 is entered
Capable track, which carries out limitation, can avoid it from disturbing the work of the other parts of connection component 3.
In one embodiment, as shown in Figure 5.Electric power overhaul also includes support component 4 with double ladder, and support component 4 is set
In the side of second single ladder 2, support component 4 is used to help the angle between the single 1 and second single ladder 2 of ladder of adjustment first.Such as Fig. 6 institutes
Show, support component 4 includes interior bar 401, outer bar 402, the first action bars 403 and the second action bars 404, specific as follows：
For interior bar 401, as shown in Figure 5 and Figure 6, length direction of the interior bar 401 along second single ladder 2 is located at second single ladder 2
Side, the top of interior bar 401 is by second single terraced 2 bottom side of the connection of gimbal suspension 405, and interior bar 401 is around universal pass
Section 405, which rotates, to be outwardly opened with respect to second single ladder 2.
For interior bar 401, as shown in fig. 6, outer bar 402 and interior bar 401 are coaxial and be enclosed on the outside of interior bar 401, outer bar
402 are provided with and the internal thread that coordinates of external screw thread located at interior bar 401, external screw thread and internal thread not shown in figure, outer bar 402 pass through
Helicitic texture can be rotated relative to interior bar 401 and stretched along the length direction of interior bar 401.
For the first action bars 403, as shown in fig. 6, the first action bars 403 is in inner hollow shape and same with outer bar 402
Axle, the first action bars 403 by clutch shaft bearing 406 connect outer bar 402 bottom and can relative outer bar 402 around common axis
Rotate.Here, common axis refers to outer bar 402, the common axis of the action bars 403 of clutch shaft bearing 406 and first.
For the second action bars 404, as shown in fig. 6, the second action bars 404 be fixedly connected the bottom of outer bar 402 and from
The inside of first action bars 403 passes, and the second action bars 404 connects the first action bars 403 by second bearing 407.
In the present embodiment, due to helicitic texture between outer bar 402 and interior bar 401 be present, therefore the second action bars is rotated
404 can make outer bar 402 rotate relative to interior bar 401 and be stretched along the length direction of interior bar 401.And due to interior bar 401
During top connects the bottom side of second single ladder 2 by gimbal suspension 405, therefore outer bar 402 is flexible with respect to interior bar 401
The angle that second relatively first single ladder 1 of single ladder 2 is opened can be adjusted.Also, the support component 4 completed after regulation can be against ground
Face, so as to be supported to second single ladder 2.In use, second single ladder 2 can not by the good support in ground but can be simultaneously
By the support of second single ladder 2 and support component 4, so structure is relatively stable.
In one embodiment, support component 4 includes two groups, and two groups of support components 4 are respectively arranged on second single ladder 2
Both sides；Wherein, the single ladder 1 of two groups of support components 4 and first outwardly opened can form three-point support structure to second single ladder 2.
In the present embodiment, second single ladder 2 can be made by the supported at three point from electric power overhaul double ladder in itself.The
For one single ladder 1 due to locked by the single ladder 2 of connection component 3 and second, its bottom can be used as a strong point, two outwardly opened
Group support component 4 can be used as a strong point respectively, and two groups of support components 4 are single by the connection of gimbal suspension 405 second
Ladder 2, therefore the position of two strong points can be arbitrarily adjusted, so that it is guaranteed that the stability of supported at three point.
In one embodiment, as shown in fig. 6, interior bar 401 includes, located at the spacing end 408 in top on top, pushing up positive stop end
Push up spacing end 408 by the bottom side of second single ladder 2 of the connection of gimbal suspension 405 and provide outer bar 402 with respect to interior bar in portion 408
401 is spacing when flexible.
In one embodiment, as shown in fig. 6, outer bar 402 is included located at the lowest limit position end 409 of bottom, bottom positive stop end
The offer interior bar 401 of portion 409 is spacing when being stretched with respect to outer bar 402, and lowest limit position end 409 also provides clutch shaft bearing 406 and connected.
In one embodiment, as shown in fig. 6, interior bar 401 includes, located at the spacing end 408 in top on top, pushing up positive stop end
Push up spacing end 408 by the bottom side of second single ladder 2 of the connection of gimbal suspension 405 and provide outer bar 402 with respect to interior bar in portion 408
401 is spacing when flexible；Outer bar 402 is included located at the lowest limit position end 409 of bottom, and it is relative that lowest limit position end 409 provides interior bar 401
Outer bar 402 is spacing when stretching, and lowest limit position end 409 also provides clutch shaft bearing 406 and connected；Push up spacing end 408 and bottom positive stop end
Portion 409 is magnet, and interior bar 401 and outer bar 402 are the body of rod of magnetic material.
In the present embodiment, double position limiting structures, and interior bar 401 are formed by pushing up spacing end 408 and lowest limit position end 409
When being contracted in outer bar 402, double position limiting structures can be also used for keeping the current state of support component 4.
Particular embodiments described above, the purpose of the present invention, technical scheme and beneficial effect are carried out further
Describe in detail, it will be appreciated that the foregoing is only the specific embodiment of the present invention, the protection being not intended to limit the present invention
Scope.Particularly point out, to those skilled in the art, within the spirit and principles of the invention, that is done any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (9)
1. a kind of electric power overhaul double ladder, it is characterised in that including first single terraced (1), second single terraced (2) and connection group
Part (3), it is attached between described first single terraced (1) and second single terraced (2) by the connection component (3)；
The connection component (3) includes rotating shaft (301), locating part (302), by locating part (303), extension spring (304) and drawstring
(305)；
The top nearside of described first single terraced (1) and the top nearside of second single terraced (2) are carried out by the rotating shaft (301)
Connection, and one in first list terraced (1) and second single terraced (2) can rotate relatively around the rotating shaft (301)
Another folds or opened；
The curved plate-like of the locating part (302), the locating part (302) are located at curved edge and arcuately side including multiple
The evenly distributed spacing breach of edge (306)；The locating part (302) is fixedly connected on the top nearside of described first single terraced (1),
And it is provided with free gap between described first single terraced (1)；The center of circle position of the curved edge of the locating part (302)
It is overlapping with the rotating shaft (301) position；
Described by locating part (303) is in elongated bulk, and the fixing end by locating part (303) is by holding axle (307) to be fixed on
On described second single terraced (2), the movable end by locating part (303) is located in the free gap and including spacing block set
(308)；Wherein described limited position part (303) is rotated around the end axle (307), and the spacing block set (308) can be made to be caught in institute
State spacing breach (306) or the spacing block set (308) is departed from the spacing breach (306)；
One end connection movable end by locating part (303) of the extension spring (304), the other end of the extension spring (304) connect
Connect the rotating shaft (301)；The pulling force that wherein extension spring (304) provides make it is described by locating part (303) around the end axle (307)
Rotate and the spacing block set (308) is caught in the spacing breach (306)；
Length direction of the drawstring (305) along described first single terraced (1) is described located at the side of described first single terraced (1)
One end of drawstring (305) extends to the top nearside of described second single terraced (2) and connects the activity by locating part (303)
End, the other end of the drawstring (305) extend to the bottom of described first single terraced (1) and close to described first single terraced (1)
Bottom；The pulling force that wherein described drawstring (305) provides is rotated and made around the end axle (307) by locating part (303) described in making
The spacing block set (308) departs from the spacing breach (306).
2. electric power overhaul double ladder according to claim 1, it is characterised in that the connection component (3) includes two groups,
And connection component (3) described in two groups is respectively arranged on the both sides of described first single terraced (1) and second single terraced (2).
3. electric power overhaul double ladder according to claim 1, it is characterised in that multiple spacing breach (306) from
The position breach where position to the top nearside of described first single terraced (1) where the top nearside of described second single terraced (2)
Depth increases one by one.
4. electric power overhaul double ladder according to claim 1, it is characterised in that the top of described first single terraced (1) is remote
Side is provided with the first directive wheel (309), and the top distal side of described second single terraced (2) is provided with the second directive wheel (310), the drawstring
(305) one end extends past first directive wheel (309) and second directive wheel (310) to described second single terraced (2)
Top nearside and connect the movable end by locating part (303).
5. electric power overhaul double ladder according to claim 1, it is characterised in that also including support component (4), the branch
Support component (4) is located at the side of described second single terraced (2)；
The support component (4) includes interior bar (401), outer bar (402), the first action bars (403) and the second action bars
(404)；
Length direction of the interior bar (401) along described second single terraced (2) is described located at the side of described second single terraced (2)
The top of interior bar (401) connects the bottom side of described second single terraced (2), and the interior bar by gimbal suspension (405)
(401) rotated around the gimbal suspension (405) second list terraced (2) to outwardly open relatively；
The outer bar (402) and the interior bar (401) are coaxial and are enclosed on the outside of the interior bar (401), the outer bar (402)
Be provided with and located at the interior bar (401) external screw thread coordinate internal thread, the outer bar (402) can be relative by helicitic texture
The interior bar (401) rotates and stretched along the length direction of the interior bar (401)；
First action bars (403) in inner hollow shape and with the outer bar (402) coaxially, first action bars
(403) by clutch shaft bearing (406) connect the outer bar (402) bottom and can relatively described outer bar around common axis
(402) rotate；
Coaxially, second action bars (404) is fixedly connected described outer for second action bars (404) and the outer bar (402)
The bottom of bar (402) and passed from the inside of first action bars (403), and second action bars (404) passes through
Second bearing (407) connects first action bars (403)；
Wherein, rotate second action bars (404) can make the outer bar (402) rotated relative to the interior bar (401) and
Stretch along the length direction of the interior bar (401), opened so as to adjust described second single terraced (2) relatively described first single terraced (1)
Angle.
6. electric power overhaul double ladder according to claim 5, it is characterised in that the support component (4) includes two groups,
And support component (4) described in two groups is respectively arranged on the both sides of described second single terraced (2)；
Wherein, support component (4) described in two groups outwardly opened and first single terraced (1) can be to described second single terraced (2)
Form three-point support structure.
7. electric power overhaul double ladder according to claim 5, it is characterised in that the interior bar (401) is included located at top
The spacing end in top (408) at end, the spacing end (408) in top connect described second single ladder by the gimbal suspension (405)
(2) bottom side, the spacing end (408) in top provide the relatively described interior bar (401) of outer bar (402) and stretched the time limit
Position.
8. electric power overhaul double ladder according to claim 5, it is characterised in that the outer bar (402) includes being located at bottom
The lowest limit position end (409) at end, it is flexible that lowest limit position end (409) provides the relatively described outer bar (402) of interior bar (401)
When it is spacing, lowest limit position end (409) also provide the clutch shaft bearing (406) connection.
9. electric power overhaul double ladder according to claim 5, it is characterised in that the interior bar (401) is included located at top
The spacing end in top (408) at end, the spacing end (408) in top connect described second single ladder by the gimbal suspension (405)
(2) bottom side, the spacing end (408) in top provide the relatively described interior bar (401) of outer bar (402) and stretched the time limit
Position；
The outer bar (402) includes providing in described located at the lowest limit position end (409) of bottom, lowest limit position end (409)
The relatively described outer bar (402) of bar (401) is spacing when flexible, and lowest limit position end (409) also provides the clutch shaft bearing (406)
Connection；
The spacing end (408) in the top and lowest limit position end (409) are magnet, the interior bar (401) and the outer bar
(402) be magnetic material the body of rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710835921.3A CN107476758A (en) | 2017-09-16 | 2017-09-16 | A kind of electric power overhaul double ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710835921.3A CN107476758A (en) | 2017-09-16 | 2017-09-16 | A kind of electric power overhaul double ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107476758A true CN107476758A (en) | 2017-12-15 |
Family
ID=60584126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710835921.3A Withdrawn CN107476758A (en) | 2017-09-16 | 2017-09-16 | A kind of electric power overhaul double ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107476758A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111852314A (en) * | 2020-08-12 | 2020-10-30 | 张学旺 | Multi-functional high security's building cat ladder |
| CN112664130A (en) * | 2021-01-06 | 2021-04-16 | 国网山东省电力公司成武县供电公司 | Special support frame for electric well maintenance |
-
2017
- 2017-09-16 CN CN201710835921.3A patent/CN107476758A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111852314A (en) * | 2020-08-12 | 2020-10-30 | 张学旺 | Multi-functional high security's building cat ladder |
| CN111852314B (en) * | 2020-08-12 | 2022-04-22 | 杭州蓝合建筑设计事务所有限公司 | Multi-functional high security's building cat ladder |
| CN112664130A (en) * | 2021-01-06 | 2021-04-16 | 国网山东省电力公司成武县供电公司 | Special support frame for electric well maintenance |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107476758A (en) | A kind of electric power overhaul double ladder | |
| JPS6134803B2 (en) | ||
| CN207622399U (en) | A kind of adjustable fishing net convenient for folding dries frame | |
| CN105962574A (en) | Tidying-free umbrella | |
| CN206542985U (en) | A kind of outdoor sun shade with stopping device | |
| CN207292100U (en) | A kind of children trolley | |
| CN206888430U (en) | A kind of face stone dry-hanging mounting structure | |
| CN206822171U (en) | The umbrella rib structure of straight bone wind-proof umbrella | |
| CN204567249U (en) | Vehicle roof rack sun shade | |
| CN208031800U (en) | Electric up-down basket support | |
| CN205930200U (en) | Automatic skeleton and automatic car sun visor umbrella of car sun visor umbrella | |
| CN108553855A (en) | Electric up-down basket support | |
| CN207526018U (en) | A kind of forward position mounting structure of awning | |
| CN108488565A (en) | A kind of transposition machine device people | |
| CN203805959U (en) | Bottom cross support structure of child umbrella handle buggy and child umbrella handle buggy | |
| CN207003083U (en) | Telescopic lifting clothes airing table | |
| CN207100774U (en) | A kind of solar protection devices with folding rack | |
| CN108098821A (en) | The manipulator of quick gripping plastic pipe | |
| CN106218664B (en) | A kind of rail vehicle is hand braking to brake crank with telescopic foldable formula | |
| CN202899480U (en) | Front hinge mechanism of awning | |
| CN107928726A (en) | A kind of eye speculum | |
| CN203864750U (en) | Awning of child cart | |
| CN106820882B (en) | Hand-held clothes-hanging cover part | |
| CN207322868U (en) | A kind of wind resistance outdoor sun shade | |
| CN207461791U (en) | A kind of universal rotational awning and folding sunshade seat |
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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171215 |
|
| WW01 | Invention patent application withdrawn after publication |