CN213710286U

CN213710286U - Adjustable scaffold

Info

Publication number: CN213710286U
Application number: CN202021692368.6U
Authority: CN
Inventors: 金淼; 徐勇
Original assignee: IT Electronics Eleventh Design and Research Institute Scientific and Technological Engineering Corp
Current assignee: IT Electronics Eleventh Design and Research Institute Scientific and Technological Engineering Corp
Priority date: 2020-08-14
Filing date: 2020-08-14
Publication date: 2021-07-16
Anticipated expiration: 2030-08-14

Abstract

The utility model provides an adjustable scaffold, which relates to the technical field of scaffolds, and comprises a working platform and a support plate, wherein the lower surface of the bottom of the working platform is provided with two slide rails which are parallel to each other, the slide rails are all slidably connected with two symmetrically arranged slide blocks, the upper surface of the top of the support plate is provided with two symmetrically arranged sleeves, the sleeves are connected with the slide blocks through connecting rods, two ends of each connecting rod are respectively hinged with the sleeves and the slide blocks, four corners of the bottom of the working platform are respectively fixedly connected with support columns, the other ends of the support columns all penetrate through the sleeves and the support plate, the side surface of each support column is fixedly provided with a rack, the bottom of the support plate is fixedly provided with a stepping motor, a power output shaft of the stepping motor is provided with a, the stability is good, the shaking is not easy, and the structural strength of the working platform is strong.

Description

Adjustable scaffold

Technical Field

The utility model relates to a scaffold frame especially relates to a scaffold frame with adjustable belongs to scaffold frame technical field.

Background

The scaffold refers to various supports erected on a construction site for workers to operate and solve vertical and horizontal transportation, and is generally used in outer walls, interior decoration or higher places where direct construction cannot be performed. The following disadvantages currently exist: the height of a common scaffold can not be adjusted due to fixed height, and a user can not adjust the scaffold according to actual needs when standing on the upper part, so that the scaffold is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome exist among the prior art not enough, provide a scaffold frame with adjustable be convenient for adjust scaffold frame height

The utility model discloses a realize through following technical scheme:

an adjustable scaffold comprises a working platform and a supporting plate, wherein the lower surface of the bottom of the working platform is provided with two mutually parallel slide rails, the slide rails are connected with two symmetrically arranged slide blocks in a sliding way, two groups of symmetrically arranged sleeves are arranged on the upper surface of the top of the supporting plate, the sleeve is connected with the sliding block through a connecting rod, two ends of the connecting rod are respectively hinged with the sleeve and the sliding block, support columns are respectively fixedly connected with four corners of the bottom of the working platform, the other ends of the support columns penetrate through the sleeve and the support plate, a rack is fixedly arranged on the side surface of the supporting column, a stepping motor is fixedly arranged at the bottom of the supporting plate, a power output shaft of the stepping motor is provided with a rotating gear which is meshed with the rack, the bottom of the supporting plate is fixedly provided with universal wheels, and the side wall of the supporting plate is provided with a fixing device.

The utility model has the advantages that: the rotary gear through step motor drives the rack to rise or descend to adjust the support column height, and then adjust the work platform height, the structural stability of work platform has been strengthened through connecting rod connecting sleeve and slider, work platform produces and rocks by a wide margin when avoiding height-adjusting, through slider removal cooperation and sleeve articulated connecting rod on the slide rail, work platform rise has the limit height, avoided the support column to deviate from telescopic circumstances by step motor drive, the backup pad bottom sets up the universal wheel and is convenient for the staff to promote scaffold frame and remove, the backup pad lateral wall sets up fixing device and has strengthened scaffold frame stability and avoid scaffold frame side direction to topple, scaffold frame security has been strengthened.

Drawings

Fig. 1 shows a schematic front view structure according to an embodiment of the present invention.

Fig. 2 shows a schematic view of a working platform according to an embodiment of the invention.

In the figure: 1. a working platform; 2. a support plate; 3. a slide rail; 4. a slider; 5. a sleeve; 6. a connecting rod; 7. a support pillar; 8. a rack; 9. a rotating gear; 10. a universal wheel; 11. a fixing device; 12. a fixing hole; 13. a fixing plate; 14. fixing the rod; 15. a locking device; 16. and (4) flow guide holes.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.

As shown in figure 1, the utility model relates to an adjustable scaffold, which comprises a working platform 1 and a support plate 2, the lower surface of the bottom of the working platform 1 is provided with two slide rails 3 which are parallel to each other, two symmetrically arranged slide blocks 4 are all connected with the slide rails 3 in a sliding way, the upper surface of the top of the support plate 2 is provided with two groups of symmetrically arranged sleeves 5, each group of sleeves 5 is provided with two, the sleeves 5 are connected with the slide blocks 4 through connecting rods 6, one end of each connecting rod 6 is hinged with the slide block 4, the other end of each connecting rod 6 is hinged with the sleeves 5, four corners of the bottom of the working platform 1 are respectively provided with support columns 7, one end of each support column 7 is fixedly connected with the bottom of the working platform 1, the other end of each support column 7 penetrates through the sleeves 5 and the support plate 2, the side, be provided with rotating gear 9 on the step motor power output shaft, rotating gear 9 and rack 8 intermeshing, the fixed universal wheel 10 that is provided with in backup pad 2 bottom, and 2 lateral walls in backup pad are provided with fixing device 11 and are used for contacting ground and increase structural stability. Open step motor, step motor drives the rotatory rack 8 that further drives of rotary gear 9 and rises, and the rack 8 rises and drives support column 7 and rises, and support column 7 drives 1 rebound of work platform, and along with 1 rebound of work platform, connecting rod 6 drives slider 4 and moves to support column 7 direction on

slide rail

3, and 1 high of work platform increases to predetermineeing the height, closes step motor, contacts fixing device 11 and ground and fixes.

The utility model has the advantages that: the height of the support column 7 is adjusted by driving the rack 8 to ascend or descend through the rotating gear 9 of the stepping motor, and then the height of the working platform 1 is adjusted, the structural stability of the working platform 1 is enhanced through the connecting sleeve 5 and the sliding block 4 of the connecting rod 6, the working platform 1 is greatly rocked when the height is adjusted, the sliding block 4 is movably matched with the connecting rod 6 hinged with the sleeve 5 on the sliding rail 3, the ascending height of the working platform 1 is limited, the situation that the support column 7 is driven by the stepping motor to be separated from the sleeve 5 is avoided, the bottom of the support plate 2 is provided with the universal wheel 10, so that a worker can conveniently push the scaffold to move, the side wall of the support plate 2 is provided with the fixing device 11, the stability of the.

In an optional embodiment, a plurality of fixing holes 12 are formed in the slide rail 3, a through hole is formed in the slider 4, and a fixing pin penetrates through the through hole and the fixing holes 12 to fix the slider 4 on the slide rail 3. After the working platform 1 is lifted to a preset height, the fixing pin penetrates through the sliding block 4 and enters the fixing hole 12 of the sliding rail 3, the sliding block 4 and the sliding rail 3 are fixed together, and the sliding block 4 does not move any more. Work platform 1 supports between slider 4 and sleeve 5 through connecting rod 6, has strengthened work platform 1 stability, is difficult for rocking, and the staff of being convenient for uses.

In an alternative embodiment, the fixing device 11 includes a fixing plate 13 and a fixing rod 14, two ends of the fixing rod 14 are respectively hinged to the supporting plate 2 and the fixing plate 13, and the bottom of the fixing plate 13 is provided with tapered teeth. Fix fixed plate 13 and ground, fixed plate 13 bottom tapered tooth pierces ground, provides the side direction through dead lever 14 and fixed plate 13 for backup pad 2 and supports and avoid the scaffold frame lateral overturning to appear, and the workman of being convenient for scrambles the scaffold frame. The conical teeth at the bottom of the fixed plate 13 increase the contact area of the fixed plate 13 and the ground, so that the static friction force is increased, and the fixing device 11 increases the stability of the scaffold and is not easy to turn on one side.

In an optional embodiment, the universal wheel 10 is provided with a locking device 15, the universal wheel 10 is locked by the locking device 15, the universal wheel 10 cannot move, and the scaffold is prevented from shaking. Locking device 15 has strengthened the equipment security, and the scaffold of being convenient for parks temporarily, avoids slope subaerial scaffold frame to slide by oneself.

In an alternative embodiment, as shown in fig. 2, the working platform 1 is provided with a plurality of guiding holes 16. When workers use water sources, the workers splash on the working platform 1 or rain falls on the working platform 1, and water flows down from the diversion holes 16 to avoid accumulation on the working platform 1. Structural strength variation range is small when the weight of the working platform 1 is reduced through the diversion holes 16, and water is not easy to accumulate on the upper surface of the working platform 1, so that workers can use and clean the working platform conveniently.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. An adjustable scaffold is characterized by comprising a working platform (1) and a support plate (2), wherein two slide rails (3) which are parallel to each other are arranged on the lower surface of the bottom of the working platform (1), the slide rails (3) are connected with two symmetrically arranged slide blocks (4) in a sliding manner, two groups of symmetrically arranged sleeves (5) are arranged on the upper surface of the top of the support plate (2), the sleeves (5) are connected with the slide blocks (4) through connecting rods (6), two ends of each connecting rod (6) are respectively hinged with the sleeves (5) and the slide blocks (4), support columns (7) are respectively and fixedly connected with four corners of the bottom of the working platform (1), the other ends of the support columns (7) penetrate through the sleeves (5) and the support plate (2), racks (8) are fixedly arranged on the side surfaces of the support columns (7), and a stepping motor is fixedly arranged at the bottom, the stepping motor is characterized in that a rotating gear (9) is arranged on a power output shaft of the stepping motor, the rotating gear (9) is meshed with the rack (8), universal wheels (10) are fixedly arranged at the bottom of the supporting plate (2), and a fixing device (11) is arranged on the side wall of the supporting plate (2).

2. An adjustable scaffold according to claim 1 wherein: the slide rail (3) is provided with a plurality of fixing holes (12), the slide block (4) is provided with a through hole, and a fixing pin penetrates through the through hole and the fixing holes (12) to fix the slide block (4) on the slide rail (3).

3. An adjustable scaffold according to claim 1 wherein: the fixing device (11) comprises a fixing plate (13) and a fixing rod (14), two ends of the fixing rod (14) are hinged to the supporting plate (2) and the fixing plate (13) respectively, and conical teeth are arranged at the bottom of the fixing plate (13).

4. An adjustable scaffold according to claim 1 wherein: the universal wheel (10) is provided with a locking device (15).

5. An adjustable scaffold according to claim 1 wherein: the working platform (1) is provided with a plurality of flow guide holes (16).