CN105569552B - Automatic telescopic ladder - Google Patents
Automatic telescopic ladder Download PDFInfo
- Publication number
- CN105569552B CN105569552B CN201610096066.4A CN201610096066A CN105569552B CN 105569552 B CN105569552 B CN 105569552B CN 201610096066 A CN201610096066 A CN 201610096066A CN 105569552 B CN105569552 B CN 105569552B
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- ladder
- lowering
- air
- hoisting gear
- unicom
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- 230000001737 promoting effect Effects 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 19
- 238000005516 engineering process Methods 0.000 description 5
- 230000007423 decrease Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241000220317 Rosa Species 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000630 rising effect Effects 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
- E06C1/04—Ladders for resting against objects, e.g. walls poles, trees
- E06C1/08—Ladders for resting against objects, e.g. walls poles, trees multi-part
- E06C1/12—Ladders for resting against objects, e.g. walls poles, trees 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
- E06C7/02—Extending means
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/06—Securing devices or hooks for parts of extensible ladders
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
Abstract
The present invention discloses a kind of automatic telescopic ladder, and what it to be reached has the technical effect that each telescopic unit can rise automatically, and more slow using being fallen after rise after terminating, and the technological means of use is：On the basis of existing slow drop extension ladder, install a power set additional, above-mentioned power set are made up of an air pump and an air accumulator, and both pass through breather pipe UNICOM, air accumulator only air inlet after UNICOM can not outlet, and a branched pipe is connected on above-mentioned breather pipe, branched pipe is first connected with the air admission hole on two lowering or hoisting gears, pass through a cross over pipe and the air accumulator UNICOM again afterwards, and whether outlet can control after UNICOM, controllable venthole is also provided with above-mentioned lowering or hoisting gear, there is provided power by air pump drives the lowering or hoisting gear lifting in extension ladder finally to drive each telescopic unit lifting, lifting terminates, air accumulator air pressure is filled it up with rear air pump and can be stopped, after ladder is using terminating, gas is gone out by controlling the magnetic valve on air accumulator to open, reach slow drop effect.
Description
Technical field
It is a kind of extension ladder for possessing automatic lifting specifically the present invention relates to a kind of ladder.
Background technology
Ladder is a kind of climbing tool for being commonly used in installation, maintenance, and existing common ladder is generally divided into scalable
With non-telescoping two kinds, telescopic ladder due to its carrying, convenient storage and widely use, but this kind of ladder is needed when using
Manual one stretching telescopic unit successively is more bothered, and is more facilitated when being used without telescopic ladder, as long as toward accordingly
Maintenance ground one is put, but is carried and storage needs larger space, thus in the market be badly in need of it is a easy to carry and can be automatic
The extension ladder rise, slowly declined.
The content of the invention
In view of the defect present in existing ladder, the technical problems to be solved by the invention be to provide one kind can automatically on
The extension ladder rise, slowly declined.
To realize the effect above, the extension ladder that the present invention is provided is achieved through the following technical solutions：Ladder, the ladder
It is socketed to form, by stretching or promoting less telescopic unit to pull up ladder height, and is drawn by multiple hollow telescopic units
Each telescopic unit after stretching is by the elastic locking device fixation that is fixed thereon；Lowering or hoisting gear, the lowering or hoisting gear is put
In the supported on both sides post of each telescopic unit of the ladder, playing a protective role prevents ladder from falling after rise too fast, while being also to coordinate
Ladder is lifted, and the lowering or hoisting gear is socketed to form by many hollow telescoping tubes, and in each telescoping tube in addition to outermost telescoping tube
Bottom is respectively and fixedly provided with and is socketed in the larger flexible close-fitting piston of bore outside it, and the flexible bottom of the tube of outermost passes through one
Fixed plate is fixed together with ladder telescopic unit support column internal diameter, in order that support body and lowering or hoisting gear simultaneous retractable, above-mentioned liter
The most thin telescoping tube of falling unit need to be fixed with the telescopic unit of ladder minimum；Power set, the power set are used for the lifting
Each hollow telescoping tube pulling motion, is made up of an air pump and an air accumulator in device, and the air pump passes through breather pipe and the storage
Air accumulator only air inlet after gas tank UNICOM, UNICOM can not outlet, and connect on above-mentioned breather pipe a branch line, branch
Pipeline is first connected with the air admission hole on two lowering or hoisting gears, after by a cross over pipe and the air accumulator again UNICOM, and UNICOM after
Whether outlet be can control, and controllable venthole is additionally provided with the lowering or hoisting gear.Above-mentioned design is realized by the effect of air pump
The effect that extension ladder rises automatically, and the effect slowly declined is realized by air accumulator and venthole.
In order to prevent that its air pressure inside declines after air accumulator is pressurized, by solenoid valve control, whether it is vented above-mentioned air accumulator
To cross over pipe.
During due to repairing or installing thing, the use time of extension ladder is more long, and the reduction that its internal air pressure can be slowly is straight
Most zero, ladder does not reach the effect of slow drop and telescopic unit just would tend to occur falls to too fast being pressed onto user after using end
Finger occur security incident, therefore decline when need an air accumulator for ladder provides one delay drop resistance, and if resistance is smaller
Just do not reach slow drop effect, therefore above-mentioned air accumulator its interior pressure need to be more than the pressure of each hollow telescoping tube lifting in lowering or hoisting gear.
In order to further lift the effect above, its air admission hole of the lowering or hoisting gear is more than venthole.Such design, which is worked as, stretches
When contracting ladder delays drop, the air pressure in slow descending device will not reach corresponding slow drop numerical value, and not realize slow drop effect.
In order to lift the speed of extension ladder rising：Its venthole of the lowering or hoisting gear by solenoid valve control whether outlet, institute
State magnetic valve and provide power by air pump battery.Such design is in extension ladder lifting, and it is internal as far as possible in sealing state,
The speed of pressure increase also can be faster.
Compared with prior art, the advantage of the invention is that：Slow drop extension ladder is not only set to realize the effect risen automatically, and
And above-mentioned speed, safety coefficient is also higher during falling, and user can have the more sufficient time.
Brief description of the drawings
Fig. 1 is the structural representation after automatic telescopic of the present invention ladder stretches.
Fig. 2 is the structural representation after Fig. 1 is opened.
Fig. 3 is locking device enlarged diagram at Fig. 2 B-B.
Fig. 4 stretches falling unit structural representation to be of the present invention.
Fig. 5 is structural representation after Fig. 4 stretchings.
Fig. 6 is enlarged diagram at Fig. 5 A-A.
Fig. 7 is power set of the present invention and lowering or hoisting gear connection diagram.
Such as Fig. 1 to Fig. 7 description of reference numerals：1st, hollow ladder；101st, telescopic unit；2nd, elastic locking device；3rd, stretch
Support column；4th, hollow telescoping tube；5th, piston；6th, limit body；7th, air pump；9th, connecting rod；10th, air accumulator；11st, breather pipe；12nd, accommodate
Groove；13rd, branched pipe；14th, cross over pipe；15th, venthole；16th, fixed plate.
Embodiment
With reference to Figure of description, by specific embodiment, the present invention is further described.
By taking the automatic telescopic ladder shown in Fig. 1 to Fig. 3 as an example：It includes the hollow ladder being made up of 12 section telescopic units 101
1, each telescopic unit 101 is all made up of the connecting rod 9 of two retractable support posts 3 and connection support column, and adjacent two retractable supports post 3 is drawn
It can not pull out, can be realized by elastic locking device 2 after stretching, the elastic locking device 2 of outermost telescopic unit 101 is fixed on
Immediately ahead of connecting rod 9, its structure such as China Patent Publication No. is：Made referrals to disclosed in 101338649 in a kind of extension ladder patent
Locking mechanism, remaining elastic locking device 2 of telescopic unit 101 is all located at the bottom of connecting rod 9, its structure such as China Patent Publication No.
For：The locking mechanism made referrals to disclosed in 1975092 in telescopic ladder；
Further illustrated with reference to Fig. 4 to Fig. 6, lowering or hoisting gear be all equipped with the above-mentioned hollow both sides retractable support post 3 of ladder 1,
Above-mentioned lowering or hoisting gear is often saved the piston of hollow flexible bottom of the tube by the hollow telescoping tube 4 of more piece and being fixed in addition to outermost telescoping tube
5 compositions, above-mentioned outermost telescoping tube is fixed together by a fixed plate 16 with the internal diameter of ladder Extention support pile 3, and fixed plate 16
Bottom is provided with air admission hole, gas is entered in lowering or hoisting gear, in order to prevent less hollow telescoping tube from pulling out, in its adjacent outer
Hollow telescoping tube 4 close to the position on head also need be provided with limit body 6, be by outer tube outer surface as shown in Figure 6
Suppress an inside groove body to realize, of coursing can be also achieved by other means herein, and limit is such as added in pipe
Position block, is further illustrated, above-mentioned each bottom of piston 5 is all provided with the passage of a break-through piston, and the outer surface of each piston 5
Two holding tanks 12 are all provided with, holding tank 12 is built-in with sealing ring, the sealing ring after installing need to exceed outer surface of piston diameter,
By such structure, make after the hollow socket of telescoping tube 4 of adjacent two, due to the effect of groove body, less telescoping tube will not
Pull out, while also having reached close-fitting effect, the hollow telescoping tube 4 of top and hollow ladder 1 most inner side are namely most
The small endoporus of retractable support post 3 is fixed, height phase of the height after above-mentioned lowering or hoisting gear is flexible preferably with hollow ladder after flexible
Unanimously, of coursing can also lower slightly point；
Above institute narrative structure is fixed together except outermost telescoping tube by a fixed plate with ladder Extention support pile internal diameter
This technology is new technology, and remaining technology is all in Chinese Patent Application No.：201620040377.4 disclosed in patent, this
Claimed technical essential is invented to illustrate in following content；
As shown in fig. 7, to realize a kind of power set that the technical problems to be solved by the invention are used, it is by a gas
The air accumulator 10 of pump 7 and one is constituted, and above-mentioned air pump 7 and air accumulator 10 are by the UNICOM of a breather pipe 11, the air accumulator 10 after UNICOM
Can air inlet can not outlet, for realize herein technology we be referred to it is relatively conventional in inflator field, herein not doing in detail
Illustrate, and by connecting a branched pipe 13, the gas for producing air pump 7 on breather pipe 11 and at the passage of the bottom of fixed plate 16
Body enters enhancing air pressure in the lowering or hoisting gear of air accumulator 10 and two, realizes what each hollow telescoping tube 4 of two lowering or hoisting gears rose automatically
Effect, so as to realize the effect that each telescopic unit 101 of extension ladder rises automatically, during operation terraced due to automatic telescopic, the time compared with
Long, the air pressure in its lowering or hoisting gear can be reduced slowly until being zero, in order to realize follow-up slow drop effect, above-mentioned air accumulator 10 leads to
Cross another cross over pipe 14 to be connected with branched pipe 13, and realize whether the gas in air accumulator 10 enters cross over pipe 14 by magnetic valve
It is interior hence into reaching decline resistance in lowering or hoisting gear, if only by the device of air accumulator 10 1, its ramp down time would can be unusual
It is long, therefore also need to set a venthole 15 on above-mentioned lowering or hoisting gear, venthole 15 can be opened in outermost piston bottom herein
Portion, as long as of coursing does not influence its effect to be also opened on hollow telescoping tube or fixed plate other positions, but such design
The problem of extension ladder rises relatively slow or very fast decline occurs again, therefore also needs further improvement, venthole 15 need to be less than air inlet
Hole, and whether it is opened also by solenoid valve control, above-mentioned each magnetic valve all provides dynamic for normally closed solenoid valve by the battery of air pump 7
Power, and whether magnetic valve be powered and can be realized by the elastic locking device 2 of the positive front side of connecting rod 9, of courses above-mentioned air pump 7 and storage
Gas tank 10 can be fixed in outermost retractable support post 3 when installing and is also fixed on by box body on connecting rod 9；
The switch operation of air pump 7 is pressed when using and produces gas, above-mentioned gas, which are partly into hollow telescoping tube 4, makes its gas
Pressure increase promotes each hollow telescoping tube 4 to move upwards, because most thin hollow telescoping tube 4 is fixed with minimum telescopic unit 101
Each telescopic unit 101 also can be while lifting, realizes the effect risen automatically, and the gas that air pump 7 is produced enters to air accumulator 10 simultaneously
Row supercharging, is how many because existing air pump 7 can control highest air pressure, operation can be automatically stopped after highest air pressure when reaching, this skill
Art can be by China Patent Publication No.：Understand, stop automatically after air pump 7 terminates to the supercharging of air accumulator 10 in 203614348U patents
Only, now ladder stretches terminate already, and this is due to that the air pressure that air accumulator 10 may store is more than required for lowering or hoisting gear lifting
Air pressure, such as by taking three meter eight of ladder as an example, it is that air pressure is in 1.6Pa, accumulator 10 that it, which stretches the air pressure that falling unit rises completely,
3Pa, ladder using terminate it is rear we need to promote the elastic locking device 2 on outermost telescopic unit 101, elastic locking device
2 unlatchings with moving electromagnetic valve during retraction, make the gas moment in air accumulator 10 gush out into stretching in falling unit, prevent
Its too fast whereabouts, while the magnetic valve of venthole 15 is also opening, portion gas can be discharged from venthole, realize that slow drop is imitated
Really, until extension ladder is integrally packed up such as Fig. 1 formulas；
Using the extension ladder after said structure, the effect of rapid uplift is not only realized, and the speed slowly declined
It can greatly slow down, greatly reduce the probability for occurring security incident.
The announcement and teaching of book according to the above description, those skilled in the art in the invention can also be to above-mentioned implementation
Mode carries out appropriate modifications and changes.Therefore, it is right the invention is not limited in embodiment disclosed and described above
Some modifications and changes of the present invention should also be as falling into the protection domain of the claims in the present invention, although in addition, in specification
Some particular terms or title have been used, but these particular terms or title are merely for convenience of description, not to structure of the present invention
Limited into any.
Claims (5)
1. a kind of automatic telescopic ladder, including：
Ladder, the ladder is socketed to form by multiple hollow telescopic units, by stretching or promoting less telescopic unit to pull out
Rise ladder height；
Lowering or hoisting gear, the lowering or hoisting gear is arranged in the supported on both sides post of each telescopic unit of the ladder, is played a protective role
Prevent ladder from falling after rise too fast, while be also to coordinate ladder lifting, the lowering or hoisting gear is socketed to form by many hollow telescoping tubes, and
The larger flexible close-fitting piston of bore outside it, outermost telescoping tube are fixed with and are socketed in each flexible bottom of the tube
Bottom piston is fitted close with ladder telescopic unit support column internal diameter；
It is characterized in that：
The automatic telescopic ladder also includes：
Power set, the power set are used for each hollow telescoping tube pulling motion in the lowering or hoisting gear, by an air pump and one
Air accumulator is constituted, the air pump by breather pipe and the air accumulator UNICOM, air accumulator only air inlet after UNICOM can not outlet,
And connect a branched pipe on above-mentioned breather pipe, branched pipe is first connected with the air admission hole on two lowering or hoisting gears, after pass through a UNICOM
Whether outlet can control pipe after UNICOM, and UNICOM again with the air accumulator, be additionally provided with the lowering or hoisting gear it is controllable go out
Stomata.
2. automatic telescopic ladder according to claim 1, it is characterised in that：The air accumulator by solenoid valve control its whether
It is vented in cross over pipe.
3. automatic telescopic ladder according to claim 1 or 2, it is characterised in that：Its interior pressure of the air accumulator, which need to be more than, to be risen
The pressure of each hollow telescoping tube lifting in falling unit.
4. automatic telescopic ladder according to claim 1, it is characterised in that：Its air admission hole of the lowering or hoisting gear is more than outlet
Hole.
5. the automatic telescopic ladder according to claim 1 or 4, it is characterised in that：Its venthole of the lowering or hoisting gear is by electromagnetism
Valve controls whether outlet, and the magnetic valve provides power by air pump battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610096066.4A CN105569552B (en) | 2016-02-17 | 2016-02-17 | Automatic telescopic ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610096066.4A CN105569552B (en) | 2016-02-17 | 2016-02-17 | Automatic telescopic ladder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105569552A CN105569552A (en) | 2016-05-11 |
| CN105569552B true CN105569552B (en) | 2017-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610096066.4A Active CN105569552B (en) | 2016-02-17 | 2016-02-17 | Automatic telescopic ladder |
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| CN (1) | CN105569552B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106286512A (en) * | 2016-09-19 | 2017-01-04 | 东莞市千幻电子科技有限公司 | Telescopic Pole & Selfie Stick |
| CN106368597B (en) * | 2016-10-08 | 2017-12-19 | 福州麦辽自动化设备有限公司 | An energy storage turntable based on spiral control |
| CN108729845B (en) * | 2016-10-08 | 2020-04-28 | 海门黄海创业园服务有限公司 | Energy storage method of high-voltage wire frame safety ladder energy storage turntable |
| CN107017583B (en) * | 2017-05-31 | 2019-03-01 | 广州供电局有限公司 | Cable cross street laying apparatus |
| CN108703576A (en) * | 2018-04-09 | 2018-10-26 | 东莞市皓奇企业管理服务有限公司 | Application method of intelligent safety household bed |
| CN108682176B (en) * | 2018-05-15 | 2023-10-13 | 浙江泊客电子科技股份有限公司 | Parking system with fault self-checking and fault information feedback functions |
| CN109630005B (en) * | 2019-01-08 | 2024-03-19 | 昆明理工大学 | A ladder that can be lifted, lowered and easily moved |
| CN114587911A (en) * | 2022-03-10 | 2022-06-07 | 信阳市中心医院 | Flusher capable of assisting in positioning and preventing cross infection and flushing method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2647499A1 (en) * | 1989-05-29 | 1990-11-30 | Scle Sarl | Extensible telescopic ladder |
| CN102140872A (en) * | 2011-03-05 | 2011-08-03 | 宁波超腾照明电器有限公司 | Safety telescopic ladder capable of being automatically gathered in slow descending mode under action of air resistance |
| CN203145821U (en) * | 2013-04-23 | 2013-08-21 | 上虞晋亿园艺工具有限公司 | Extension ladder gradually unfolded level by level by utilizing air pressure |
| CN205370419U (en) * | 2016-02-17 | 2016-07-06 | 浙江明峰工贸有限公司 | Automatic extension ladder |
-
2016
- 2016-02-17 CN CN201610096066.4A patent/CN105569552B/en active Active
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| CN105569552A (en) | 2016-05-11 |
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Address after: 322300, No. 53, Lingshan Road, Xincheng District, Panan, Zhejiang, Jinhua Patentee after: Zhejiang mingfeng industry & trade Co.,Ltd. Address before: 322200, No. 53, Lingshan Road, Xincheng District, Panan, Zhejiang, Jinhua Patentee before: ZHEJIANG MINGFENG INDUSTRY AND TRADE Co.,Ltd. |
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Denomination of invention: Automatic telescopic ladder Effective date of registration: 20220725 Granted publication date: 20171027 Pledgee: Pan'an sub branch of Zhejiang Chouzhou Commercial Bank Co.,Ltd. Pledgor: Zhejiang mingfeng industry & trade Co.,Ltd. Registration number: Y2022330001512 |
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Denomination of invention: Automatic telescopic ladder Granted publication date: 20171027 Pledgee: Pan'an sub branch of Zhejiang Chouzhou Commercial Bank Co.,Ltd. Pledgor: Zhejiang mingfeng industry & trade Co.,Ltd. Registration number: Y2024330000978 |
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