CN107829672A - A kind of cat ladder that upper end locking is controlled by bottom - Google Patents
A kind of cat ladder that upper end locking is controlled by bottom Download PDFInfo
- Publication number
- CN107829672A CN107829672A CN201711073450.3A CN201711073450A CN107829672A CN 107829672 A CN107829672 A CN 107829672A CN 201711073450 A CN201711073450 A CN 201711073450A CN 107829672 A CN107829672 A CN 107829672A
- Authority
- CN
- China
- Prior art keywords
- cat ladder
- flat board
- bayonet socket
- standpipes
- respectively equipped
- 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
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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
- E06C1/34—Ladders attached to structures, such as windows, cornices, poles, or the like
- E06C1/36—Ladders suspendable by hooks or the like
-
- 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
- E06C7/505—Anchors being adapted to fix a ladder to a vertical structure, e.g. ladder hooks
Abstract
A kind of cat ladder that upper end locking is controlled by bottom, is related to a kind of cat ladder, in two spaced standpipes（9）Between be from top to bottom interval with more foot-driven levers（8）, bayonet socket block is separately fixed at the upper end of two standpipes, the inserted block of bayonet socket block bottom after two after two（6）On be respectively equipped with the perforation of up/down perforation（21）, the connecting rod that sets respectively in two standpipes（5）Top is through in the perforation of two inserted blocks, and projection is respectively equipped with two inserted block external wall of upper portion of connecting rod upper end（4）, the lower end of standpipe corresponds to long flat board respectively（17）Both ends, two connecting rod lower ends are respectively fixedly connected with the both ends of long flat board, and the extension spring of connection foot foot-driven lever is provided with long flat board（12）；The present invention controls the lifting of two connecting rods using long flat board, the closing and unlatching of bayonet socket block bayonet socket after being obtained by the lifting of two connecting rods, realizes by the control of bottom control cat ladder upper end connection bar.
Description
Technical field
The present invention relates to a kind of cat ladder, more particularly, to a kind of cat ladder that upper end locking is controlled by bottom.
Background technology
Known, in power industry or other constructions, the cat ladder for generally requiring to have two hooks using top is carried out
Construction operation, the object that the top of cat ladder is caught on includes the soft stick things such as cable, rope, due to these soft strips
Thing has certain elasticity, so often there is hook break-off in the presence of the powerful power of upspringing of bar, so causes
Great potential safety hazard, bottom does not control the technology of cat ladder upper end locking in the prior art, it is therefore necessary to this technology
It is improved.
The content of the invention
In order to overcome the shortcomings of in background technology, the present invention discloses a kind of cat ladder that upper end locking is controlled by bottom, utilizes
Long flat board controls the lifting of two connecting rods, and the closing and unlatching of bayonet socket block bayonet socket, are realized after being obtained by the lifting of two connecting rods
By the control of bottom control cat ladder upper end connection bar.
For achieving the above object, the present invention adopts the following technical scheme that：
A kind of cat ladder that upper end locking is controlled by bottom, including standpipe, foot-driven lever, rear bayonet socket block, connecting rod, long flat board and drawing
Spring, is from top to bottom interval with more foot-driven levers between two spaced standpipes, and it is vertical to be separately fixed at two for bayonet socket block after two
The upper end of pipe, the perforation of up/down perforation is respectively equipped with after two on the inserted block of bayonet socket block bottom, is set respectively in two standpipes
Connecting rod top is through in the perforation of two inserted blocks, projection is respectively equipped with two inserted block external wall of upper portion of connecting rod upper end, by two
Connecting rod upper end forms the closing or unlatching to bayonet socket block rear portion bayonet socket after two respectively, and the lower end of standpipe corresponds to long flat board respectively
Both ends, two connecting rod lower ends are respectively fixedly connected with the both ends of long flat board, and connection foot foot-driven lever is provided with long flat board
Extension spring.
The described cat ladder that upper end locking is controlled by bottom, the rear bayonet socket block include flat bar, vertical rod, brace and inserted block,
The outer rim of the inserted block and standpipe inner tubal wall structure matching, two inserted blocks are plugged in the inner tubal wall of two standpipe upper ends respectively, two
The front portion of inserted block is respectively equipped with brace, and the jib head is provided with vertical rod, and vertical rod upper rear face is connected with flat bar front end, described
Connecting rod upper end withstands on the bottom surfaces rear portion of flat bar, and bayonet socket is formed between the bottom surfaces front portion of flat bar and the rear portion of vertical rod.
The described cat ladder that upper end locking is controlled by bottom, blind hole is provided with the corresponding connecting rod upper end of flat bar.
The described cat ladder that upper end locking is controlled by bottom, at least one hole is respectively equipped with before and after two standpipe upper ends,
The fixed screw flux matched with hole count is each passed through be connected behind the hole of standpipe after form institute after the screw that sets on bayonet socket block inserted block
State the upper end that bayonet socket block after two is separately fixed at two standpipes.
The described cat ladder that upper end locking is controlled by bottom, the standpipe is rhs-structure.
The described cat ladder that upper end locking is controlled by bottom, the foot-driven lever is rhs-structure or solid square bar structure.
The described cat ladder that upper end locking is controlled by bottom, contiguous block is respectively equipped with the lower end outside of two standpipes, two connect
Connect block bottom and be respectively equipped with expanding head, the spacing formed between the expanding head of two contiguous block bottoms between two standpipes and ground.
The described cat ladder that upper end locking is controlled by bottom, is respectively equipped with bottom plate, two bottom plates in the lower port of two standpipes
Middle part, which is respectively equipped with, wears mouth, and two connecting rod bottoms, which are respectively at, wears in mouth.
The described cat ladder that upper end locking is controlled by bottom, external screw thread, two connections are respectively equipped with the lower end of two connecting rods
The external screw thread of bar is through in the unthreaded hole set on two short flat boards respectively, on the two connecting rod external screw threads on two short flat board tops respectively
Provided with stop nut, locking nut is respectively equipped with two connecting rod external screw threads of two short flat board bottoms；The inner of two short flat boards
The upper end with two short risers is fixedly connected respectively, and the lower end of two short risers is fixedly connected on the both ends of long flat board.
The described cat ladder that upper end locking is controlled by bottom, is respectively equipped with hole, under two extension springs at the close both ends of long flat board
The raw silk rings that end is set is each passed through bending behind long two holes of flat board and forms connection to long flat board；What two extension spring upper ends were set respectively
Hook connects the link that foot foot-driven lever bottom surfaces both sides are set respectively.
Due to using technical scheme as described above, the present invention has the advantages that：
The cat ladder of the present invention that upper end locking is controlled by bottom, sets short riser, two is short respectively on long flat board both ends top
Short flat board is respectively equipped with the outside of riser upper end, connects the lower end of two connecting rods respectively by two short flat boards, by two short flat board controls two
The lifting of connecting rod, the closing and unlatching of bayonet socket block bayonet socket, unlatching and card by bayonet socket after being obtained by the lifting of two connecting rods
Closing of two connecting rods to bayonet socket firmly is controlled after bar and by extension spring, is realized by bottom control cat ladder upper end connection strip
The locked control of thing；The present invention is reasonable in design, and effectively overcoming prior art can not stably connect in far distance controlled bar
The drawbacks of connecing.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the present invention；
Fig. 2 is the rear bayonet socket block of the present invention and the structural representation of connecting rod lower end；
Fig. 3 is long flat board, lower end foot-driven lever and the fit structure schematic diagram of extension spring of the present invention；
In figure：1st, flat bar；2nd, vertical rod；3rd, bayonet socket；4th, it is raised；5th, connecting rod；6th, inserted block；7th, fixed screw；8th, foot-driven lever；9th, stand
Pipe；10th, external screw thread；11st, stop nut；12nd, extension spring；13rd, short flat board；14th, contiguous block；15th, expanding head；16th, rubber antiskid face；
17th, long flat board；18th, short riser；19th, blind hole；20th, brace；21st, perforate；22nd, screw；23rd, locking nut；24th, inner tubal wall；25、
Bottom plate；26th, link；27th, link up with；28th, unthreaded hole；29th, bending.
Embodiment
The present invention can be explained in more detail by the following examples, the open purpose of the present invention is intended to the protection present invention
In the range of all changes and improvements, the invention is not limited in the following examples；
With reference to described in accompanying drawing 1,2 or 3 by bottom control upper end locking cat ladder, including standpipe 9, foot-driven lever 8, rear bayonet socket block,
Connecting rod 5, long flat board 17 and extension spring 12, the standpipe 9 are rhs-structure, and the foot-driven lever 8 is rhs-structure or solid side
Bar structure, more foot-driven levers 8 are from top to bottom interval between two spaced standpipes 9, before and after the upper end of two standpipe 9
At least one hole is respectively equipped with face, the fixed screw 7 flux matched with hole count is each passed through be connected behind the hole of standpipe 9 after bayonet socket block
The upper end that bayonet socket block after described two is separately fixed at two standpipes 9 is formed after the screw 22 set on inserted block 6, under bayonet socket block after two
The perforation 21 of up/down perforation is respectively equipped with the inserted block 6 in portion, the top of connecting rod 5 set respectively in two standpipes 9 is through two and inserted
In the perforation 21 of block 6, projection 4 is respectively equipped with the external wall of upper portion of two inserted block 6 of the upper end of connecting rod 5, by the upper end of two connecting rod 5 point
The closing or unlatching to bayonet socket block rear portion bayonet socket 3 after two are not formed, are respectively equipped with bottom plate 25 in the lower port of two standpipes 9, two
The middle part of bottom plate 25, which is respectively equipped with, wears mouth, and the bottom of two connecting rod 5, which is respectively at, wears in mouth, and the lower end of standpipe 9 corresponds to long flat board respectively
17 both ends, the lower end of two connecting rod 5 are respectively fixedly connected with the both ends of long flat board 17, and connection foot is provided with long flat board 17
The extension spring 12 of foot-driven lever 8；Contiguous block 14 is respectively equipped with the lower end outside of two standpipes 9, the bottom of two contiguous block 14 is respectively equipped with expansion
Footpath first 15, the spacing formed between the expanding head 15 of the bottom of two contiguous block 14 between two standpipes 9 and ground.
With reference to accompanying drawing 1 or 2, it is described after bayonet socket block include flat bar 1, vertical rod 2, brace 20 and inserted block 6, the inserted block 6 outside
Edge and the structure matching of 9 inner tubal wall of standpipe 24, two inserted blocks 6 are plugged in the inner tubal wall 24 of the upper end of two standpipe 9 respectively, in two inserted blocks 6
Front portion be respectively equipped with brace 20, the upper end of brace 20 is provided with vertical rod 2, and the upper rear face of vertical rod 2 is connected with the flat front end of bar 1,
Blind hole 19 is provided with the upper end of corresponding connecting rod 5 of flat bar 1, the upper end of connecting rod 5 withstands on the blind of the bottom surfaces rear portion of flat bar 1
In hole 19, in the anterior formation bayonet socket 3 between the rear portion of vertical rod 2 of the bottom surfaces of flat bar 1.
With reference to accompanying drawing 1,2 or 3, external screw thread 10, the external screw thread 10 of two connecting rods 5 are respectively equipped with the lower end of two connecting rods 5
It is through respectively in the unthreaded hole 28 set on two short flat boards 13, on the external screw thread 10 of two connecting rod 5 on the two short tops of flat board 13 respectively
Provided with stop nut 11, locking nut 23 is respectively equipped with the external screw thread 10 of two connecting rod 5 of the two short bottoms of flat board 13；Two is short flat
The inner upper end respectively with two short risers 18 of plate 13 is fixedly connected, and the lower end of two short risers 18 is fixedly connected on long flat board 17
Both ends；Hole is respectively equipped with the close both ends of long flat board 17, the raw silk rings that the lower end of two extension spring 12 is set is each passed through long 17 liang of flat board
Bending 29 forms the connection to long flat board 17 behind individual hole；The hook 27 that the upper end of two extension spring 12 is set respectively connects foot pin respectively
The link 26 that the bottom surfaces both sides of treadle 8 are set.
Implement the cat ladder of the present invention that upper end locking is controlled by bottom, when in use, both hands are helped on two standpipes 9
Push away, slam long flat board 17 using pin or aided in pressing long flat board 17 by other people, two connecting rods 5 at this moment will glide, simultaneously
The bayonet socket 3 of the upper end of two connecting rod 5 opens that " and projection 4 can prevent two connecting rods 5 downwards and be slipped by perforation, and described raised 4 can be first
In the side perforating of two connecting rods, 5 upper end one, then using straight tapping or pin-shaped is worn into described raised 4 ", bar is stuck in
In bayonet socket 3 between the flat front lower portion of bar 1 and the rear portion of vertical rod 2, decontrol after long flat board 17 by the active force of two extension springs 12, two connections
The blind holes 19 of two flat bars 1 is inserted in the upper end of two connecting rods 5 respectively after bar 5 is up, at this moment can safety ascending stair operation；Remove this
The process of invention is：Both hands help two standpipes 9 above to push away, and slam long flat board 17 using pin or are aided in pressing long flat board by other people
17, two connecting rods 5 at this moment will be glided, while the bayonet socket 3 of the upper end of two connecting rod 5 is opened, and bar be departed from into bayonet socket 3, so
After decontrol long flat board 17, be then subjected to the active force of two extension springs 12, the upper end of two connecting rods 5 is inserted respectively after two connecting rods 5 are up
It is conventional cat ladder to enter in the blind hole 19 of two flat bars 1.
Part not in the detailed description of the invention is prior art.
Claims (10)
1. a kind of cat ladder that upper end locking is controlled by bottom, including standpipe（9）, foot-driven lever（8）, rear bayonet socket block, connecting rod（5）、
Long flat board（17）And extension spring（12）, it is characterized in that：In two spaced standpipes（9）Between be from top to bottom interval with more pin
Treadle（8）, bayonet socket block is separately fixed at two standpipes after two（9）Upper end, the inserted block of bayonet socket block bottom after two（6）It is upper to set respectively
There is the perforation of up/down perforation（21）, two standpipes（9）The middle connecting rod set respectively（5）Top is through two inserted blocks（6）Perforation
（21）In, in connecting rod（5）Two inserted blocks of upper end（6）Projection is respectively equipped with external wall of upper portion（4）, by two connecting rods（5）Upper end
Formed respectively to bayonet socket block rear portion bayonet socket after two（3）Closing or unlatching, standpipe（9）Lower end correspond to long flat board respectively（17）'s
Both ends, two connecting rods（5）Lower end is respectively fixedly connected with long flat board（17）Both ends, in long flat board（17）It is most lower to be provided with connection
Portion's foot-driven lever（8）Extension spring（12）.
2. the cat ladder according to claim 1 that upper end locking is controlled by bottom, it is characterized in that：Bayonet socket block includes flat after described
Bar（1）, vertical rod（2）, brace（20）And inserted block（6）, the inserted block（6）Outer rim and standpipe（9）Inner tubal wall（24）Structure matching,
Two inserted blocks（6）Two standpipes are plugged on respectively（9）The inner tubal wall of upper end（24）In, in two inserted blocks（6）Front portion be respectively equipped with brace
（20）, the brace（20）Upper end is provided with vertical rod（2）, vertical rod（2）Upper rear face and flat bar（1）Front end connects, the connection
Bar（5）Upper end withstands on flat bar（1）Bottom surfaces rear portion, in flat bar（1）Bottom surfaces are anterior and vertical rod（2）Rear portion between formed
Bayonet socket（3）.
3. the cat ladder according to claim 2 that upper end locking is controlled by bottom, it is characterized in that：In flat bar（1）Correspondence connect
Extension bar（5）Blind hole is provided with upper end（19）.
4. the cat ladder according to claim 1 that upper end locking is controlled by bottom, it is characterized in that：In two standpipes（9）Upper end
It is front and rear to be respectively equipped with least one hole, the flux matched fixed screw with hole count（7）It is each passed through standpipe（9）Hole after connect after block
Buccal mass inserted block（6）The screw of upper setting（22）After form described two after bayonet socket block be separately fixed at two standpipes（9）Upper end.
5. the cat ladder according to claim 1 that upper end locking is controlled by bottom, it is characterized in that：The standpipe（9）For square tube
Structure.
6. the cat ladder according to claim 1 that upper end locking is controlled by bottom, it is characterized in that：The foot-driven lever（8）For side
Tubular construction or solid square bar structure.
7. the cat ladder according to claim 1 that upper end locking is controlled by bottom, it is characterized in that：In two standpipes（9）Lower end
Outside is respectively equipped with contiguous block（14）, two contiguous blocks（14）Bottom is respectively equipped with expanding head（15）, in two contiguous blocks（14）Bottom
Expanding head（15）Between form two standpipes（9）Spacing between ground.
8. the cat ladder according to claim 1 that upper end locking is controlled by bottom, it is characterized in that：In two standpipes（9）Lower end
Bottom plate is respectively equipped with mouthful（25）, two bottom plates（25）Middle part, which is respectively equipped with, wears mouth, two connecting rods（5）Bottom, which is respectively at, wears mouth
In.
9. the cat ladder according to claim 1 that upper end locking is controlled by bottom, it is characterized in that：In two connecting rods（5）Under
End is respectively equipped with external screw thread（10）, two connecting rods（5）External screw thread（10 are through two short flat boards respectively（13）The unthreaded hole of upper setting
（28）In, in two short flat boards（13）Two connecting rods on top（5）External screw thread（10）On be respectively equipped with stop nut（11）, it is short two
Flat board（13）Two connecting rods of bottom（5）External screw thread（10）On be respectively equipped with locking nut（23）；Two short flat boards（13）The inner
Respectively with two short risers（18）Upper end be fixedly connected, two short risers（18）Lower end be fixedly connected on long flat board（17）Two
End.
10. the cat ladder according to claim 1 that upper end locking is controlled by bottom, it is characterized in that：In long flat board（17）Lean on
Two close end is respectively equipped with hole, two extension springs（12）The raw silk rings that lower end is set is each passed through long flat board（17）Bending behind two holes（29）Shape
Paired long flat board（17）Connection；Two extension springs（12）The hook that upper end is set respectively（27）Foot foot-driven lever is connected respectively（8）
The link that bottom surfaces both sides are set（26）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711073450.3A CN107829672B (en) | 2017-11-05 | 2017-11-05 | A kind of ladder by lower part control upper end locking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711073450.3A CN107829672B (en) | 2017-11-05 | 2017-11-05 | A kind of ladder by lower part control upper end locking |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107829672A true CN107829672A (en) | 2018-03-23 |
| CN107829672B CN107829672B (en) | 2019-03-19 |
Family
ID=61654557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711073450.3A Active CN107829672B (en) | 2017-11-05 | 2017-11-05 | A kind of ladder by lower part control upper end locking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107829672B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113513250A (en) * | 2021-05-18 | 2021-10-19 | 任盈 | A hang ladder for solar energy bevel support |
| CN114016890A (en) * | 2021-11-08 | 2022-02-08 | 国网山东省电力公司寿光市供电公司 | Electric power maintenance auxiliary ladder |
| CN114221260A (en) * | 2021-12-21 | 2022-03-22 | 国网河南省电力公司洛阳供电公司 | Insulator maintenance frame of electric power pylon |
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| CN102979451A (en) * | 2012-12-07 | 2013-03-20 | 广西柳工机械股份有限公司 | Telescopic pedal type hanging ladder |
| CN205100854U (en) * | 2015-10-16 | 2016-03-23 | 苏州飞华铝制工业有限公司 | Monomer ladder couple |
| CN105888529A (en) * | 2016-06-08 | 2016-08-24 | 苏州莲敬机械工程科技有限公司 | Inspection well mouth ladder stand |
| CN106334294A (en) * | 2015-07-06 | 2017-01-18 | 国网山东省电力公司潍坊供电公司 | Electric power maintenance safety climbing assistor |
| US20170030142A1 (en) * | 2012-10-09 | 2017-02-02 | Wing Enterprises, Incorporated | Ladder securing apparatuses, ladders incorporating same and related methods |
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2017
- 2017-11-05 CN CN201711073450.3A patent/CN107829672B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170030142A1 (en) * | 2012-10-09 | 2017-02-02 | Wing Enterprises, Incorporated | Ladder securing apparatuses, ladders incorporating same and related methods |
| CN102979451A (en) * | 2012-12-07 | 2013-03-20 | 广西柳工机械股份有限公司 | Telescopic pedal type hanging ladder |
| CN106334294A (en) * | 2015-07-06 | 2017-01-18 | 国网山东省电力公司潍坊供电公司 | Electric power maintenance safety climbing assistor |
| CN205100854U (en) * | 2015-10-16 | 2016-03-23 | 苏州飞华铝制工业有限公司 | Monomer ladder couple |
| CN105888529A (en) * | 2016-06-08 | 2016-08-24 | 苏州莲敬机械工程科技有限公司 | Inspection well mouth ladder stand |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113513250A (en) * | 2021-05-18 | 2021-10-19 | 任盈 | A hang ladder for solar energy bevel support |
| CN114016890A (en) * | 2021-11-08 | 2022-02-08 | 国网山东省电力公司寿光市供电公司 | Electric power maintenance auxiliary ladder |
| CN114016890B (en) * | 2021-11-08 | 2024-02-23 | 国网山东省电力公司寿光市供电公司 | Auxiliary ladder for electric power maintenance |
| CN114221260A (en) * | 2021-12-21 | 2022-03-22 | 国网河南省电力公司洛阳供电公司 | Insulator maintenance frame of electric power pylon |
| CN114221260B (en) * | 2021-12-21 | 2023-07-21 | 国网河南省电力公司洛阳供电公司 | Insulator overhauling frame of electric power tower |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107829672B (en) | 2019-03-19 |
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Effective date of registration: 20201118 Address after: Fengxian County 221000 Jiangsu Province, Xuzhou City Song Lou Zhen Feng Huang Ludong Patentee after: Fengxian Feiyang Metal Products Co.,Ltd. Address before: 311801 No. 67 Xinggong Road, Wuxie Town, Zhuji City, Shaoxing City, Zhejiang Province Patentee before: Qi Yinfu |
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