CN210396599U

CN210396599U - Movable ladder

Info

Publication number: CN210396599U
Application number: CN201920453349.9U
Authority: CN
Inventors: 王辉; 梅国宏; 张建松; 孙瑞靖
Original assignee: North China University of Science and Technology
Current assignee: North China University of Science and Technology
Priority date: 2019-04-04
Filing date: 2019-04-04
Publication date: 2020-04-24
Anticipated expiration: 2029-04-04

Abstract

The utility model discloses a movable ladder, including left side support, right side support and roof support, the support bottom is provided with the wheel, and roof support bottom fixedly connected with hanging oneself from a beam, hanging oneself from a beam one side or both sides are rotated and are connected with the running-board, and the running-board bottom is connected with the drive support through the pivot, and the drive support comprises 2 montants and the crossbeam of fixing in the middle of it. The bottom of the supporting top plate is fixedly connected with a spring, and the other end of the spring is fixedly connected with the pedal. When a worker sits on the ladder to operate, the pedal on the ladder can push the driving support to enable the ladder to slide on one side or two sides without getting off the ladder, so that the time is saved, and the working efficiency is improved.

Description

Movable ladder

Technical Field

The invention belongs to the technical field of decoration, and particularly relates to a movable ladder.

Background

A ladder is a common tool used for climbing and working aloft. There are generally two types of ladders: the ladder comprises a ladder frame and pedals, wherein the ladder frame is fixedly connected with the pedals to form a straight ladder, and when the ladder is used, the ladder is lapped on a wall body or a support needing to reach a position above the ladder. The other ladder comprises a main ladder and an auxiliary ladder, wherein the main ladder and the auxiliary ladder are both provided with pedals, namely, the herringbone ladder is supported by the structure of the ladder, other supports are not needed, the structure is more stable, and the application range is wider than that of a straight ladder. At present, a plurality of kinds of common herringbone ladders are available in the market, such as household ladders, telescopic ladders, foldable ladders, anti-skid ladders and the like.

The above prior art has the following disadvantages:

when the device is used for high-altitude operation, for example, when a wall surface is painted, the device is checked to meet an area to finish work, and when the next area needs to be carried out, the device needs to be lifted off the ladder, then the ladder is moved, and the device is lifted up to carry out the work of the next area. The work of a plurality of areas can not be continuously carried out, the time is wasted, and the work efficiency is reduced.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide a movable ladder, which can be adjusted in position on the ladder without going up or down from the ladder, thereby improving the working efficiency.

The invention is realized by the following technical scheme:

the utility model provides a movable ladder, includes left side support, right side support and roof support, rotate between roof support and left side support, the right side support and be connected, left side support and right side support comprise two spinal branch vaulting poles and the crossbeam of fixing in the middle of two spinal branch vaulting poles respectively, the bracing piece bottom is provided with wheel, its characterized in that: the supporting roof plate bottom fixedly connected with hangs the roof beam, it is connected with first running-board to hang roof beam one side, hangs the roof beam and rotates with first running-board to be connected, first running-board bottom is connected with the drive support, and first running-board is connected through the pivot with the drive support, supporting roof plate bottom fixedly connected with first spring, the first spring other end and first running-board fixed connection.

Further, the other side of the suspension beam is connected with a storage plate, the suspension beam is rotatably connected with the storage plate, and the storage plate is placed on the cross beam on the left side support and is kept horizontal.

Furthermore, the driving support consists of 2 vertical rods and a cross beam fixed in the middle of the vertical rods, and auxiliary supporting legs are fixedly connected to the right sides of the lower ends of the vertical rods.

Furthermore, the bottom ends of the vertical rods and the auxiliary supporting legs are coated with a layer of anti-slip rubber.

Furthermore, the other side of the suspension beam is connected with a second pedal, the suspension beam is rotatably connected with the first pedal and the second pedal, the bottom ends of the first pedal and the second pedal are respectively connected with a driving support through a rotating shaft, the bottom of the supporting top plate is fixedly connected with a second spring, and the other end of the second spring is fixedly connected with the second pedal.

Furthermore, the montant bottom is provided with the gyro wheel, the gyro wheel is connected with the wheel carrier, wheel carrier top central point puts and is provided with the trompil, montant bottom fixedly connected with brake lever, the brake lever passes the trompil of wheel carrier top central point position, brake lever lower extreme fixedly connected with arc braking piece, the brake lever overcoat has supporting spring is located between montant bottom and wheel carrier.

Furthermore, a foot sleeving rope is arranged on the upper surface of the pedal plate and fixedly connected with the pedal plate through 2 screws with holes.

Furthermore, the number of the cross beams on the left side bracket and the right side bracket is not less than 3.

Further, the number of the cross beams on the driving support is 2 or 1.

Furthermore, a seat board is arranged on the upper portion of the supporting top board, and the supporting top board is fixedly connected with the seat board through a connecting board.

The invention has the advantages and beneficial effects that:

1. when a worker sits on the ladder to operate, the ladder can be pushed by the pedal on the ladder to slide on one side or two sides without going down from the ladder, so that the time is saved, and the working efficiency is improved;

2. the ladder is provided with the storage plate, so that tools or other articles required in working can be placed on the storage plate and taken out conveniently.

Drawings

Fig. 1 is a schematic structural view of a movable ladder.

Fig. 2 is a schematic structural view of a movable ladder.

Fig. 3 is an enlarged partial schematic view of a movable ladder.

Fig. 4 is an enlarged partial schematic view of a movable ladder.

Fig. 5 is a schematic structural view of a movable ladder.

Wherein:

1: left side support, 2: right side bracket, 3: top support plate, 4: support rod, 5: cross member, 6: wheel, 7: suspension beam, 8: storage plate, 9: first foot pedal, 10: drive bracket, 11-1: a first spring; 11-2: second spring, 12: foot-covering rope, 13: perforated screw, 14: vertical bar, 15: auxiliary supporting leg, 16: second foot board, 17: roller, 18: wheel carrier, 19: brake lever, 20: arc brake pad, 21: seat plate, 22: connecting plate, 23: supporting the spring.

For a person skilled in the art, other relevant figures can be obtained from the above figures without inventive effort.

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of the present invention is further described below with reference to specific examples.

Example one

As shown in fig. 1: a movable ladder comprises a left side support 1, a right side support 2 and a supporting top plate 3, wherein the supporting top plate 3 is rotatably connected with the left side support 1 and the right side support 2. Left side support 1 and right side support 2 comprise two spinal branch vaulting poles 4 and fix 5 crossbeams in its centre respectively, for making things convenient for the workman to go up and down the ladder, crossbeam 5 sets up the figure and is not less than 3. The bottom of the supporting rod 4 is provided with wheels 6, the bottom of the supporting top plate 3 is fixedly connected with a suspension beam 7, the left side of the suspension beam 7 is connected with a storage plate 8, and tools or other articles required by the working process can be placed on the storage plate 8. The suspension beam 7 is rotatably connected with the object placing plate 8, and the object placing plate 8 is placed on the cross beam 5 on the left side support and is kept horizontal. The right side of the suspension beam 7 is rotatably connected with a first pedal 9, a foot sleeving rope 12 is arranged on the upper surface of the first pedal 9, and the foot sleeving rope 12 is fixedly connected with the pedal through 2 screws with holes 13. When in use, the feet are sleeved in the foot sleeving rope 12, and the first pedal plate 9 can be driven to move through the movement of the feet. The bottom end of the first pedal 9 is connected with a driving support 10 through a rotating shaft, the driving support 10 is composed of 2 vertical rods 14 and cross beams 5 fixed in the middle of the vertical rods, and the number of the cross beams 5 is 2. In order to increase the moving force of the driving support, the right side of the lower end of the vertical rod 14 is fixedly connected with an auxiliary supporting leg 15, and the bottom end of the vertical rod 14 and the bottom end of the auxiliary supporting leg 15 are coated with a layer of anti-skid rubber. The bottom of the supporting top plate 3 is fixedly connected with a first spring 11-1, and the other end of the first spring 11-1 is fixedly connected with a first pedal 9. In order to improve the use comfort, the upper part of the supporting top plate 3 is provided with a seat plate 21, and the supporting top plate 3 and the seat plate 21 are fixedly connected by a connecting plate 22.

Example two

As shown in fig. 2, 3 and 4: a movable ladder comprises a left side support 1, a right side support 2 and a supporting top plate 3, wherein the supporting top plate 3 is rotatably connected with the left side support 1 and the right side support 2. Left side support 1 and right side support 2 comprise two spinal branch vaulting poles 4 and fix 5 crossbeams in its centre respectively, for making things convenient for the workman to go up and down the ladder, crossbeam 5 sets up the figure and is not less than 3. The bottom end of the support rod 4 is provided with a wheel 6. In order to realize bilateral movement, the bottom of the supporting top plate is fixedly connected with a suspension beam 7, two sides of the suspension beam 7 are respectively and rotatably connected with a first pedal 9 and a second pedal 16, the upper surfaces of the first pedal 9 and the second pedal 16 are respectively provided with a foot sleeving rope 12, and the foot sleeving rope 12 is fixedly connected with the first pedal 9 and the second pedal 16 through 2 screws 13 with holes. When in use, the feet are sleeved in the foot sleeving rope 12, so that the first pedal 9 and the second pedal 16 can be driven to move through the movement of the feet. The bottom ends of the first pedal 9 and the second pedal 16 are respectively connected with a driving support 10 through a rotating shaft, the driving support 10 is composed of 2 vertical rods 14 and cross beams 5 fixed in the middle of the vertical rods, and the number of the cross beams 5 is 2. The bottom end of the vertical rod 14 is provided with a roller 17, the roller 17 is connected with a wheel carrier 18, a hole is formed in the central position above the wheel carrier 18, a brake rod 19 is fixedly connected to the bottom end of the vertical rod 14, the brake rod 19 penetrates through the hole in the central position above the wheel carrier, an arc-shaped brake piece 20 is fixedly connected to the lower end of the brake rod, a support spring 23 is sleeved outside the brake rod 19, and the support spring 23 is located between the bottom end of the vertical rod 14 and the wheel carrier 18. The bottom of the supporting top plate 3 is fixedly connected with a first spring 11-1, and the other end of the first spring 11-1 is fixedly connected with a first pedal 9. The bottom of the top supporting plate 3 is fixedly connected with a second spring 11-2, and the other end of the second spring 11-2 is fixedly connected with a second pedal 16. When moving to the left, the second pedal 16 is placed horizontally, and the first pedal 9 is moved to drive the right driving bracket 10. Due to the action of stress, the supporting spring 23 at the bottom end of the vertical rod 14 is compressed by the right driving bracket 10, and a large friction force is generated between the arc-shaped brake piece 20 and the roller 17 to prevent the roller from rotating, so that the whole body moves to the left. And because the left vertical rod is not stressed, the support spring at the bottom end of the vertical rod 14 separates the arc brake piece 20 from the roller 17, and the left roller rolls normally. The same principle applies when moving to the right. In order to improve the use comfort, the upper part of the supporting top plate 3 is provided with a seat plate 21, and the supporting top plate 3 and the seat plate 21 are fixedly connected by a connecting plate 22.

EXAMPLE III

As shown in fig. 5: a movable ladder comprises a left side support 1, a right side support 2 and a supporting top plate 3, wherein the supporting top plate 3 is rotatably connected with the left side support 1 and the right side support 2. Left side support 1 and right side support 2 comprise two spinal branch vaulting poles 4 and fix 5 crossbeams in its centre respectively, for making things convenient for the workman to go up and down the ladder, crossbeam 5 sets up the figure and is not less than 3. The bottom of the support rod 4 is provided with a wheel 6, the bottom of the support top plate 3 is fixedly connected with a suspension beam 7, the right side of the suspension beam 7 is rotatably connected with a first pedal plate 9, the upper surface of the first pedal plate 9 is provided with a foot sleeving rope 12, and the foot sleeving rope 12 and the pedal plate are fixedly connected through 2 screws with holes 13. When in use, the feet are sleeved in the foot sleeving rope 12, and the first pedal plate 9 can be driven to move through the movement of the feet. The bottom end of the first pedal 9 is connected with a driving support 10 through a rotating shaft, the driving support 10 is composed of 2 vertical rods 14 and cross beams 5 fixed in the middle of the vertical rods, and the number of the cross beams 5 is 2. In order to increase the moving force of the driving support, the right side of the lower end of the vertical rod 14 is fixedly connected with an auxiliary supporting leg 15, and the bottom end of the vertical rod 14 and the bottom end of the auxiliary supporting leg 15 are coated with a layer of anti-skid rubber. The bottom of the supporting top plate 3 is fixedly connected with a first spring 11-1, and the other end of the first spring 11-1 is fixedly connected with a first pedal 9. In order to improve the use comfort, the upper part of the supporting top plate is provided with a seat plate 21, and the supporting top plate and the seat plate are fixedly connected by a connecting plate 22.

Spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used in the embodiments for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both an upper and a lower orientation. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Moreover, relational terms such as "first" and "second," and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.

The invention has been described in an illustrative manner, and it is to be understood that any simple variations, modifications or other equivalent changes which can be made by one skilled in the art without departing from the spirit of the invention fall within the scope of the invention.

Claims

1. The utility model provides a movable ladder, includes left side support (1), right side support (2) and roof supporting plate (3), roof supporting plate (3) and left side support (1), right side support (2) between rotate and be connected, left side support (1) and right side support (2) are become with fixing crossbeam (5) in the middle of two spinal branch vaulting poles (4) by two spinal branch vaulting poles (4) respectively, bracing piece (4) bottom is provided with wheel (6), its characterized in that: the supporting roof plate (3) bottom fixedly connected with hangs roof beam (7), hang roof beam (7) one side and be connected with first running board (9), hang roof beam (7) and rotate with first running board (9) and be connected, first running board (9) bottom is connected with drive support (10), and first running board (9) are connected through the pivot with drive support (10), supporting roof plate (3) bottom fixedly connected with first spring (11-1), first spring (11-1) other end and first running board (9) fixed connection.

2. A mobile ladder as set forth in claim 1 wherein: the other side of the suspension beam (7) is connected with a storage plate (8), the suspension beam (7) is rotatably connected with the storage plate (8), and the storage plate (8) is placed on the cross beam (5) on the left support and kept horizontal.

3. A moveable ladder as claimed in claim 2, wherein: the driving support (10) consists of 2 vertical rods (14) and a cross beam (5) fixed in the middle of the vertical rods, and the right side of the lower end of each vertical rod (14) is fixedly connected with an auxiliary supporting leg (15).

4. A moveable ladder as claimed in claim 3, wherein: the bottom ends of the vertical rods (14) and the auxiliary supporting legs (15) are coated with a layer of anti-slip rubber.

5. A mobile ladder as set forth in claim 1 wherein: the upper surface of the first pedal plate (9) is provided with a foot sleeving rope (12), and the foot sleeving rope (12) is fixedly connected with the first pedal plate (9) through 2 perforated screws (13).

6. A mobile ladder as set forth in claim 1 wherein: the other side of the suspension beam (7) is connected with a second pedal (16), the suspension beam (7) is rotatably connected with the second pedal (16), the bottom end of the second pedal (16) is connected with a driving support (10) through a rotating shaft, the bottom of the supporting top plate (3) is fixedly connected with a second spring (11-2), and the other end of the second spring (11-2) is fixedly connected with the second pedal (16).

7. A moveable ladder as claimed in claim 3, wherein: montant (14) bottom is provided with gyro wheel (17), gyro wheel (17) are connected with wheel carrier (18), wheel carrier (18) top central point puts and is provided with the trompil, montant (14) bottom fixedly connected with brake lever (19), the trompil of wheel carrier top central point position is passed in brake lever (19), brake lever lower extreme fixedly connected with arc braking piece (20), brake lever (19) overcoat has supporting spring (23) are located between montant (14) bottom and wheel carrier (18).

8. A mobile ladder as set forth in claim 6 wherein: the upper surfaces of the first pedal (9) and the second pedal (16) are respectively provided with a foot sleeving rope (12), and the foot sleeving rope (12) is fixedly connected with the first pedal (9) and the second pedal (16) through 2 screws (13) with holes.

9. A mobile ladder as set forth in claim 1 wherein: the number of the cross beams (5) on the left side bracket (1) and the right side bracket (2) is not less than 3.

10. A mobile ladder as set forth in claim 1 wherein: the upper part of the supporting top plate (3) is provided with a seat plate (21), and the supporting top plate (3) is fixedly connected with the seat plate (21) through a connecting plate (22).