CN201050293Y - Pedal ladder lift type moving device - Google Patents
Pedal ladder lift type moving device Download PDFInfo
- Publication number
- CN201050293Y CN201050293Y CNU2007200937999U CN200720093799U CN201050293Y CN 201050293 Y CN201050293 Y CN 201050293Y CN U2007200937999 U CNU2007200937999 U CN U2007200937999U CN 200720093799 U CN200720093799 U CN 200720093799U CN 201050293 Y CN201050293 Y CN 201050293Y
- Authority
- CN
- China
- Prior art keywords
- ladder
- ground
- moving wheel
- moved
- pedal
- 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.)
- Expired - Fee Related
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- Ladders (AREA)
Abstract
The utility model discloses a lifting shifting device for pedaling ladder, which utilizes the principles of the parallelogram and the lever, a parallel four-link mechanism is arranged at the side of the bottom of the pedaling ladder; a moving wheel is positioned at the bottom of the four-link mechanism; a control rod is connected with two parallel edges of the four-link mechanism in hinge; the parallelogram is deformed by pulling the lever so as to make the moving wheel move up and down. The utility model can be positioned at the two sides of the pedaling ladder, the height is in accordance with the standards on which the moving wheel can be moved through contacting the ground when the device is laid down; and the moving wheel can apart from the ground after being retracted. When the ladder is moved, the four-link frame will stretch by drawing the control rod, and the moving wheel will touch the ground so as to make the ladder leave the ground; namely the ladder is pushed to move, and the four-link frame will tighten through the pull of the draw rod, and the moving wheel is retracted, thereby the ladder touches the ground, the labor intensity for moving the ladder can be reduced, the ground is prevented from being scratched or smashed when the ladder is moved or lain down.
Description
Technical field
The utility model discloses a kind of ascending/decending of ladder to pedal mobile device, belongs to mechanical engineering technical field.
Background technology:
Manufacture the workshop at passenger vehicle, 1.8-2 " ladder to pedal " that rice is high is few, and mobile wheel is not established in the bottom of existing " ladder to pedal ", therefore, the ramp period of the day from 11 p.m. to 1 a.m, need the ladder other end is lifted, again ladder is put down after arriving the destination, and when closely mobile, people are push-and-pull on the spot usually, and its consequence usually occurs that ground scratches or injures the phenomenon on ground when putting down ladder by a crashing object.
Summary of the invention
The utility model discloses a kind of ascending/decending of ladder to pedal mobile device, and having solved does not have the inconvenient problem of ladder carrying to pedal of taking turns that moves.
Technical solution of the present utility model is as follows: the principle of utilizing parallelogram and lever, at quadric chain of ladder leg bottom sides device to pedal, constitute by clamped beam, upper connecting rod, connecting rod, the bottom of mobile wheel apparatus clamped beam, the lower end of control lever is connected through the hinge with the clamped beam of quadric chain and the external part of upper connecting rod respectively, pull lever makes the quadric chain distortion, will move to take turns to lift to fall.
With the utility model device in the both sides of ladder leg to pedal, highly removable for putting down time shift driving wheel kiss the earth, packing up device time shift driving wheel built on stilts is standard, the ramp period of the day from 11 p.m. to 1 a.m, and the pulling control lever opens quadric chain, mobile wheel lands, ladder is erected built on stilts, but both push body moved, pushing drawing rod tightens up quadric chain, mobile wheel is packed up, and ladder lands.
Good effect of the present utility model is: after ladder has installed quadric chain and mobile lifting wheel additional to pedal, and simple, the flexible operation of its technology, and a people both can arbitrarily operate, and avoid pulling the phenomenon on ground.Alleviate ladder and move labour intensity, ground scratches or injures ground when putting down ladder by a crashing object when having avoided ladder to move.
Description of drawings
Fig. 1 is the utility model structure principle chart.
The specific embodiment
According to shown in Figure 1, constitute parallel four-bar linkage by clamped beam 4, upper connecting rod 5, connecting rod 6, move the bottom of wheel 3 device clamped beams 4, the lower end of control lever 1 is connected by hinge 2 with the clamped beam 4 of quadric chain and the external part of upper connecting rod 5 respectively, pull lever 5 control quadric chain distortion, the mobile wheel 3 of drive lifts and falls.
Claims (1)
1. ladder ascending/decending mobile device to pedal, it is characterized in that: constitute parallel four-bar linkage by clamped beam, upper connecting rod, connecting rod, mobile wheel apparatus is in the bottom of the clamped beam of quadric chain, and the lower end of control lever is connected through the hinge with the clamped beam of quadric chain and the external part of upper connecting rod respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200937999U CN201050293Y (en) | 2007-05-30 | 2007-05-30 | Pedal ladder lift type moving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200937999U CN201050293Y (en) | 2007-05-30 | 2007-05-30 | Pedal ladder lift type moving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201050293Y true CN201050293Y (en) | 2008-04-23 |
Family
ID=39336777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200937999U Expired - Fee Related CN201050293Y (en) | 2007-05-30 | 2007-05-30 | Pedal ladder lift type moving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201050293Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107100537A (en) * | 2017-05-22 | 2017-08-29 | 北京航天发射技术研究所 | A kind of foldable ladder to pedal for multiaxis boxcar |
-
2007
- 2007-05-30 CN CNU2007200937999U patent/CN201050293Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107100537A (en) * | 2017-05-22 | 2017-08-29 | 北京航天发射技术研究所 | A kind of foldable ladder to pedal for multiaxis boxcar |
| CN107100537B (en) * | 2017-05-22 | 2019-01-25 | 北京航天发射技术研究所 | A kind of foldable pedal ladder for multiaxis boxcar |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080423 Termination date: 20140530 |