CN110206340A - Telescopic stair - Google Patents

Telescopic stair Download PDF

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Publication number
CN110206340A
CN110206340A CN201910537645.1A CN201910537645A CN110206340A CN 110206340 A CN110206340 A CN 110206340A CN 201910537645 A CN201910537645 A CN 201910537645A CN 110206340 A CN110206340 A CN 110206340A
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CN
China
Prior art keywords
pedal
mounting rod
rotation connection
stair
shaft
Prior art date
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Granted
Application number
CN201910537645.1A
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Chinese (zh)
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CN110206340B (en
Inventor
袁强
郑雪玉
彭继乐
杨曼
陈琰
王倩
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PowerChina Guiyang Engineering Corp Ltd
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PowerChina Guiyang Engineering Corp Ltd
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Priority to CN201910537645.1A priority Critical patent/CN110206340B/en
Publication of CN110206340A publication Critical patent/CN110206340A/en
Application granted granted Critical
Publication of CN110206340B publication Critical patent/CN110206340B/en
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Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G27/00Temporary arrangements for giving access from one level to another for men or vehicles, e.g. steps, ramps

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Ladders (AREA)

Abstract

The invention provides a telescopic stair which comprises a U-shaped mounting seat; a fixing plate is fixedly welded on the rear end face of the U-shaped mounting seat, a base plate is fixedly mounted on the inner wall of the bottom of the U-shaped mounting seat, and a rotating shaft and a fixing rod are sequentially and fixedly connected to two parallel edges of the U-shaped mounting seat; the cushion plate is fixedly provided with a hydraulic cylinder which inclines downwards, and the output end of the hydraulic cylinder is fixedly provided with a rotary connecting seat; a rotating connecting rod is sleeved on the rotating shaft, one end of the rotating connecting rod is rotatably connected with the rotating connecting seat, and the other end of the rotating connecting rod is rotatably connected with a push rod; the fixed mounting has the footboard on the dead lever, and the both sides of footboard are rotated through first installation pole and catch bar respectively and are connected, are equipped with a plurality of time footboard in proper order at the lower terminal surface of footboard, rotate through second installation pole and first installation pole between the time footboard and connect, form telescopic stair. According to the invention, the first mounting rod and the second mounting rod on each layer are made of hollow galvanized metal pipes, so that the weight of the whole telescopic stair can be reduced.

Description

A kind of flexible stair
Technical field
The present invention relates to a kind of flexible stair, belong to hydraulic and hydroelectric engineering equipment technical field.
Background technique
In Construction for Hydroelectric Project, there are the big height difference vertical transportations of more construction personnel to need, more use The Simple crawling ladder that scaffold is temporarily built, these ladders can satisfy the certain vertical transportation needs of construction personnel, due to water power Engineering concrete structure figure is tall and big, and vertical height difference is big, construction personnel is more, and the scaffold Simple crawling ladder temporarily built sets up speed Cross that slow, occupied area is excessive.
Summary of the invention
In order to solve the above technical problems, the flexible stair are resetted by hydraulic cylinder the present invention provides a kind of flexible stair So that flexible stair are packed up, the flexibility of flexible stair is improved, the occupied area of stair is reduced.
The present invention is achieved by the following technical programs.
A kind of flexible stair provided by the invention, including U-shaped mounting base;The rear end face of the U-shaped mounting base is fixedly welded There is fixed plate, backing plate is fixedly installed in the bottom interior wall of U-shaped mounting base, is successively consolidated on two parallel edges of U-shaped mounting base Surely shaft and fixed link are connected with;Hydraulic cylinder diagonally downward is fixedly installed on the backing plate, it is solid in the output end of hydraulic cylinder Dingan County is equipped with rotation connection seat;Rotation connection bar is socketed in the shaft, the one end and rotation connection seat for being rotatablely connected bar turn Dynamic connection, the other end are rotatably connected to catch bar;Pedal is fixedly installed in the fixed link, the two sides of pedal pass through respectively One mounting rod and catch bar are rotatablely connected, and are successively arranged several secondary pedals in the lower end surface of pedal, by the between secondary pedal Two mounting rods and the rotation connection of the first mounting rod, form telescopic stair;It is equipped in the lower end surface of the secondary pedal of the bottom Several equally distributed suckers.
Several equally distributed screw holes are offered in the fixed plate.
Center line symmetrical setting of the backing plate along U-shaped mounting base.
The angle of the backing plate and U-shaped mounting base vertical plane is 18 °~25 °.
The shaft is adjacent with the bottom interior wall of U-shaped mounting base, and fixed link is arranged in the side of shaft, and there are two.
The shaft and fixed link are parallel to each other, and laterally setting.
The shaft and rotation connection bar rotation connection, pedal and the rotation connection of the first mounting rod.
It is rotatablely connected respectively with one end of the first mounting rod among the two sidewalls of the pedal, the medial side of the first mounting rod The rotation connection of one end of wall and catch bar, one end of the secondary pedal side wall of the other end and top layer of the first mounting rod, which rotates, to be connected It connects;One end of the pedal side wall and one end of the second mounting rod are rotatablely connected, the other end of the second mounting rod and top layer The central rotational of secondary pedal side wall connects.
It is rotatablely connected between upper level pedal and lower level pedal by the first mounting rod and the second mounting rod, upper level is stepped on It is rotatablely connected among the side wall of plate by one end of the first mounting rod and lower level pedal side wall, one end of upper level pedal passes through Second mounting rod is connect with the side wall central rotational of lower level pedal.
Through-hole is offered on the rotation connection bar, shaft passes through through-hole and connects with rotation connection rod set, and solid in through-hole Surely it is socketed with the stop collar moved left and right for limiting shaft.
The beneficial effects of the present invention are:
1, it is packed up by flexible stair, reduces the occupied area of stair, so that the flexibility of flexible stair is reinforced, Flexible stair entire simultaneously are more convenient relative to the Simple crawling ladder installation temporarily built using scaffold, build speed more Fastly;
2, every layer of the first mounting rod and the second mounting rod are all made of hollow galvanized metal pipe, reduce entire flexible stair Weight;
3, there are four suckers for the pedal lower surface installation of the bottom, convenient for the absorption on when the putting down and ground for the stair that stretch Power improves stability.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention;
Fig. 2 is top view of the invention;
Fig. 3 is side view of the invention;
In figure: 1-U type mounting base, 2- fixed plate, 3- backing plate, 4- hydraulic cylinder, 5- are rotatablely connected seat, 6- shaft, 7- rotation Connecting rod, 8- fixed link, 9- pedal, 10- catch bar, the first mounting rod of 11-, the second mounting rod of 12-, 13- sucker.
Specific embodiment
Be described further below technical solution of the present invention, but claimed range be not limited to it is described.
As shown in Figures 1 to 3, a kind of flexible stair, including U-shaped mounting base 1;The fixed weldering of the rear end face of the U-shaped mounting base 1 It is connected to fixed plate 2, is fixedly installed with backing plate 3 in the bottom interior wall of U-shaped mounting base 1, on two parallel edges of U-shaped mounting base 1 Being fixedly connected sequentially has shaft 6 and fixed link 8;Hydraulic cylinder 4 diagonally downward is fixedly installed on the backing plate 3, in hydraulic cylinder 4 Output end be fixedly installed with rotation connection seat 5;It is socketed with rotation connection bar 7 in the shaft 6, is rotatablely connected one end of bar 7 It is rotatablely connected with rotation connection seat 5, the other end is rotatably connected to catch bar 10;It is fixedly installed with pedal 9 in the fixed link 8, The two sides of pedal 9 pass through the first mounting rod 11 respectively and are rotatablely connected with catch bar 10, are successively arranged in the lower end surface of pedal 9 several A secondary pedal is rotatablely connected between secondary pedal by the second mounting rod 12 and the first mounting rod 11, forms telescopic stair;? The lower end surface of the secondary pedal of the bottom is equipped with several equally distributed suckers 13.
Several equally distributed screw holes are offered in the fixed plate 2.
Center line symmetrical setting of the backing plate 3 along U-shaped mounting base 1.
The angle of the backing plate 3 and U-shaped 1 vertical plane of mounting base is 18 °~25 °.
The shaft 6 is adjacent with the bottom interior wall of U-shaped mounting base 1, and the side of shaft 6 is arranged in fixed link 8, and has two It is a.
The shaft 6 and fixed link 8 are parallel to each other, and laterally setting.
The shaft 6 is rotatablely connected with rotation connection bar 7, pedal 9 and the rotation connection of the first mounting rod 11.
It is rotatablely connected respectively with one end of the first mounting rod 11 among the two sidewalls of the pedal 9, the first mounting rod 11 One end of center side wall and catch bar 10 is rotatablely connected, and the one of the secondary pedal side wall of the other end and top layer of the first mounting rod 11 End rotation connection;One end of 9 side wall of pedal and one end of the second mounting rod 12 are rotatablely connected, the second mounting rod 12 it is another End is connect with the central rotational of the secondary pedal side wall of top layer.
It is rotatablely connected between upper level pedal and lower level pedal by the first mounting rod 11 and the second mounting rod 12, upper layer It is rotatablely connected among the side wall of secondary pedal by one end of the first mounting rod 11 and lower level pedal side wall, the one of upper level pedal End is connect by the second mounting rod 12 with the side wall central rotational of lower level pedal.
Through-hole is offered on the rotation connection bar 7, shaft 6 passes through through-hole and rotation connection bar 7 is socketed, and in through-hole It is fixedly attached the stop collar moved left and right for limiting shaft 6.
Preferably, telescopic stair such as network address are as follows:Https: //b2b.baidu.com/land? url=https% 3A%2F%2Fb2b.hc360.com%2Fsupplyself%2F680838165.html%3Fco nfr%3DB14% 26bdb2b8a2d%3D936320132830548551&query=%E9%98%81%E6%A5%B C%E7%94% B5%E5%8A%A8%E4%BC%B8%E7%BC%A9%E6%A5%BC%E6%A2%AF&category=% E5%BB%BA%E6%9D%90%E5%AE%B6%E8%A3%85%3B%E6%A2%AF%E7%B1%BB % 3B%E6%A5%BC%E6%A2%AF%E5%8F%8A%E9%85%8D%E4%BB%B6&iswapurl=in mention The mechanical mechanism of the stair arrived, i.e., the structure of telescopic stair are the prior art.
Embodiment
As described above, a kind of flexible stair of hydraulic and hydroelectric engineering, including U-shaped mounting base 1, the rear end of U-shaped mounting base 1 Face is fixedly welded with fixed plate 2, and several equally distributed screw holes are offered in fixed plate 2, passes through screw and fixation The need that flexible stair are fixedly mounted on hydraulic and hydroelectric engineering by plate 2 region to be used.
As shown in Fig. 2, the inner wall of U-shaped mounting base 1 is fixedly mounted there are two symmetrical backing plate 3, and backing plate 3 with it is vertical The angle in face is 20 °, hydraulic cylinder 4 diagonally downward is fixedly installed on backing plate 3, those skilled in the art are using suitable types Hydraulic cylinder 4 is installed, such as MOBL_MOBL1, and the angle of hydraulic cylinder 4 and horizontal plane is 20 °, and hydraulic cylinder 4 is by hydraulic system Control, and the output end of hydraulic cylinder 4 is fixedly installed with rotation connection seat 5, is equipped with the shaft being fixedly connected in U-shaped mounting base 1 6, and shaft 6 is laterally arranged, socket is rotatablely connected on bar 7 and offers there are two the rotation connection bar 7 being rotatablely connected in shaft 6 Through-hole, shaft 6 passes through the through-hole opened up on rotation connection bar 7, and has been fixedly attached in through-hole and has moved left and right for limiting shaft 6 Stop collar, and two rotation connection bars 7 are symmetrical, and one end of one end and catch bar 10 for being rotatablely connected bar 7 is rotatablely connected, There are two fixed links 8 disposed in parallel for installation in U-shaped mounting base 1, and are fixedly installed with pedal 9 in two fixed links 8;Pedal 9 The interlude of two sidewalls and the top of mounting rod 1 are rotatablely connected, the interlude of mounting rod 1 and the other end of catch bar 10 Rotation connection, the bottom end of mounting rod 1 and the pedal 9 of the second layer are rotatablely connected close to the side wall of rear end face, and pedal 9 is by nearby The two sidewalls of end face are mounted on the mounting rod 2 12 of rotation connection, and the pedal 9 of the interlude of mounting rod 2 12 and the second layer Interlude rotation connection, and every layer of pedal 9 below is identical as above-mentioned two layers of pedal, 9 connection type.
As shown in figure 3, opening hydraulic cylinder 4 when needing using flexible stair along inclined surface and pushing rotation connection bar 7 Connecting pin, so that bar 7 is rotatablely connected to be rotated downwards at 6 rotation connection of shaft as dot, so that rotation connection bar 7 The other end pushes the connecting pin of catch bar 10, so that the other end of catch bar 10 pushes the interlude of mounting rod 1, so that pushing away The pedal 9 of 10 lower rotation of lever connection does curvilinear motion to positive front, and pedal 9 does curvilinear motion to positive front and drives mounting rod 2 12 keep identical motion state with mounting rod 1, until mounting rod 1 and mounting rod 2 12 are in vertical configuration State, while every layer of 9 keeping parallelism state of pedal, stair completion of stretching at this time stretch out and close hydraulic cylinder 4.
When needing to pack up flexible stair, opens hydraulic cylinder 4 and the output end of hydraulic cylinder 4 is made to pull rotation connection bar 7, from And be rotatablely connected bar 7 using with rotated upwards at 6 rotation connection of shaft as dot, the other end that must be rotatablely connected bar 7 is pulled back The connecting pin of catch bar 10, so that the other end of catch bar 10 pulls the interlude of mounting rod 1, so that 10 bottom of catch bar Curvilinear motion is done in 9 backwards face of pedal of rotation connection, and 9 backwards face of pedal drives mounting rod 2 12 and peace when doing curvilinear motion It fills bar 1 and keeps identical motion state, until mounting rod 1 and mounting rod 2 12 are in contraction heeling condition, together When the holding of every layer of pedal 9 be bonded to each other, stair completion of stretching at this time stretchs out and closes hydraulic cylinder 4.
Preferably, the mounting rod 1 and mounting rod 2 12 for connecting every layer are all made of hollow galvanized metal pipe, can drop The weight of low entire flexible stair.
Preferably, there are four suckers 13 for 9 lower surface of the pedal installation of the bottom, convenient for when the putting down and ground for the stair that stretch Adsorption capacity, improve stability.
Specifically, circuit involved in the present invention and control are the prior art.

Claims (10)

1. a kind of flexible stair, including U-shaped mounting base (1), it is characterised in that: the fixed weldering of the rear end face of the U-shaped mounting base (1) Fixed plate (2) are connected to, are fixedly installed in the bottom interior wall of U-shaped mounting base (1) backing plate (3), two of U-shaped mounting base (1) Being fixedly connected sequentially on parallel edges has shaft (6) and fixed link (8);Liquid diagonally downward is fixedly installed on the backing plate (3) Cylinder pressure (4) is fixedly installed with rotation connection seat (5) in the output end of hydraulic cylinder (4);Rotation is socketed on the shaft (6) to connect Extension bar (7), the one end and rotation connection seat (5) rotation connection, the other end for being rotatablely connected bar (7) are rotatably connected to catch bar (10);It is fixedly installed with pedal (9) on the fixed link (8), the two sides of pedal (9) pass through the first mounting rod (11) respectively and push away Lever (10) rotation connection is successively arranged several secondary pedals in the lower end surface of pedal (9), passes through the second installation between secondary pedal Bar (12) and the first mounting rod (11) rotation connection, form telescopic stair;It is installed in the lower end surface of the secondary pedal of the bottom There are several equally distributed suckers (13).
2. flexible stair as described in claim 1, it is characterised in that: offer several on the fixed plate (2) and uniformly divide The screw hole of cloth.
3. flexible stair as described in claim 1, it is characterised in that: center line of the backing plate (3) along U-shaped mounting base (1) It is symmetrical arranged.
4. flexible stair as described in claim 1, it is characterised in that: the backing plate (3) and U-shaped mounting base (1) vertical plane Angle is 18 °~25 °.
5. flexible stair as described in claim 1, it is characterised in that: in the bottom of the shaft (6) and U-shaped mounting base (1) Wall is adjacent, and fixed link (8) is arranged in the side of shaft (6), and there are two.
6. flexible stair as described in claim 1, it is characterised in that: the shaft (6) and fixed link (8) are parallel to each other, and Laterally setting.
7. flexible stair as described in claim 1, it is characterised in that: the shaft (6) and rotation connection bar (7) rotation connect It connects, pedal (9) and the first mounting rod (11) rotation connection.
8. flexible stair as described in claim 1, it is characterised in that: respectively with first among the two sidewalls of the pedal (9) One end of mounting rod (11) is rotatablely connected, and the center side wall of the first mounting rod (11) and the one end of catch bar (10) are rotatablely connected, One end of the secondary pedal side wall of the other end and top layer of first mounting rod (11) is rotatablely connected;The one of pedal (9) side wall The one end at end and the second mounting rod (12) is rotatablely connected, the secondary pedal side wall of the other end and top layer of the second mounting rod (12) Central rotational connection.
9. flexible stair as described in claim 1, it is characterised in that: pass through first between upper level pedal and lower level pedal Mounting rod (11) and the second mounting rod (12) rotation connection, the side wall centre of upper level pedal is by the first mounting rod (11) under One end of level pedal side wall is rotatablely connected, and one end of upper level pedal passes through the side of the second mounting rod (12) and lower level pedal The connection of wall central rotational.
10. flexible stair as described in claim 1, it is characterised in that: offer through-hole on the rotation connection bar (7), turn Axis (6) passes through through-hole and rotation connection bar (7) socket, and has been fixedly attached in through-hole and has moved left and right for limiting shaft (6) Stop collar.
CN201910537645.1A 2019-06-20 2019-06-20 Telescopic stair Active CN110206340B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910537645.1A CN110206340B (en) 2019-06-20 2019-06-20 Telescopic stair

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910537645.1A CN110206340B (en) 2019-06-20 2019-06-20 Telescopic stair

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CN110206340A true CN110206340A (en) 2019-09-06
CN110206340B CN110206340B (en) 2024-03-19

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111021648A (en) * 2019-12-24 2020-04-17 缙云旅程机械科技有限公司 Full-automatic pavilion escalator equipment

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0620779U (en) * 1992-05-22 1994-03-18 香 渡辺 Sliding stairs
JP2005030154A (en) * 2003-07-11 2005-02-03 Atox Co Ltd Temporary stair applicable for two angle of inclination
EP1918479A1 (en) * 2006-11-01 2008-05-07 Gorter Bouwprodukten B.V. Stair system
DE202014006782U1 (en) * 2014-08-20 2014-09-17 Horst Dauer Dog stair
CN208380149U (en) * 2018-01-29 2019-01-15 西安理工大学高科学院 An a kind of hydraulic and hydroelectric engineering turn ladder
CN210828456U (en) * 2019-06-20 2020-06-23 中国电建集团贵阳勘测设计研究院有限公司 Telescopic stair

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0620779U (en) * 1992-05-22 1994-03-18 香 渡辺 Sliding stairs
JP2005030154A (en) * 2003-07-11 2005-02-03 Atox Co Ltd Temporary stair applicable for two angle of inclination
EP1918479A1 (en) * 2006-11-01 2008-05-07 Gorter Bouwprodukten B.V. Stair system
DE202014006782U1 (en) * 2014-08-20 2014-09-17 Horst Dauer Dog stair
CN208380149U (en) * 2018-01-29 2019-01-15 西安理工大学高科学院 An a kind of hydraulic and hydroelectric engineering turn ladder
CN210828456U (en) * 2019-06-20 2020-06-23 中国电建集团贵阳勘测设计研究院有限公司 Telescopic stair

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111021648A (en) * 2019-12-24 2020-04-17 缙云旅程机械科技有限公司 Full-automatic pavilion escalator equipment

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