CN110284697B

CN110284697B - Portable scaffold frame that conveniently receive and releases

Info

Publication number: CN110284697B
Application number: CN201910456353.5A
Authority: CN
Inventors: 吴长春
Original assignee: Anhui Changqing Building Products Co ltd
Current assignee: Anhui Changqing Building Products Co ltd
Priority date: 2019-05-29
Filing date: 2019-05-29
Publication date: 2021-03-19
Anticipated expiration: 2039-05-29
Also published as: CN110284697A

Abstract

The invention relates to the technical field of novel scaffolds, and discloses a movable scaffold convenient to fold and unfold, which comprises a working platform and four support frames, wherein the working platform is arranged at the tops of the four support frames, a motor is fixedly arranged on the side surface of one support frame, guide rails are fixedly arranged on the side surfaces of the other three support frames, slide blocks are connected on the guide rails in a sliding manner, a lead screw is fixedly arranged at the output end of the motor, the bottom end of the lead screw is rotatably connected with the side surfaces of the support frames through a bearing seat, a threaded surface of the lead screw is in threaded connection with a threaded sleeve, the side surfaces of the threaded sleeve and the three slide blocks are respectively hinged with a support frame, the other end of each support frame is respectively hinged with the side surfaces of the adjacent support frames, and the. The scaffold solves the problems that the existing scaffold is inconvenient to carry in an integrated mode, large in occupied space, detachable, inconvenient to assemble and long in consumed time.

Description

Portable scaffold frame that conveniently receive and releases

Technical Field

The invention relates to the technical field of novel scaffolds, in particular to a movable scaffold convenient to fold and unfold.

Background

The scaffold is a working platform which is erected for ensuring that each construction process is smoothly carried out. The scaffold is divided into an outer scaffold and an inner scaffold according to the erected positions; the scaffold can be divided into a wood scaffold, a bamboo scaffold and a steel pipe scaffold according to different materials; the scaffold is divided into a vertical rod type scaffold, a bridge type scaffold, a door type scaffold, a suspension type scaffold, a hanging type scaffold, a lifting type scaffold and a climbing type scaffold according to the structural form.

The existing scaffold is integrated and assembled, the integrated scaffold is convenient to use, but due to the fact that the size of the scaffold is large, the scaffold is inconvenient to carry, and occupies large space resources when being placed, the assembled scaffold is multiple in assembling steps, time-consuming and inconvenient, for example, Chinese patent CN106592955A discloses a vertical stone transportation platform in an outer wall scaffold, the vertical stone transportation platform is formed by combining a plurality of combined frames, and due to the fact that a plurality of supports are arranged, the scaffold is inconvenient to combine, and therefore the novel scaffold is convenient to disassemble, assemble and release.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a movable scaffold convenient to fold and unfold, and solves the problems of inconvenience in carrying, large occupied space, detachability, inconvenience in assembling and long time consumption of the conventional scaffold in an integrated manner.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a movable scaffold which is convenient to fold and unfold, comprising a working platform and four supporting frames, wherein the working platform is arranged at the tops of the four supporting frames, wherein the side surface of one of the support frames is fixedly provided with a motor, and the side surfaces of the other three support frames are fixedly provided with guide rails, and the guide rail is connected with a slide block in a sliding way, the output end of the motor is fixedly provided with a screw rod, the bottom end of the screw rod is rotationally connected with the side surface of the supporting frame through a bearing seat, the thread surface of the screw rod is connected with a threaded sleeve in a threaded manner, the side surface of the threaded sleeve is hinged with a bracket with three sliding blocks, the other ends of the brackets are respectively hinged with the side surfaces of the adjacent supporting frames, the middle parts of every two staggered brackets are hinged through pin bolts, a connecting rod is fixedly connected between the back surface of the threaded sleeve and the sliding block positioned at the rear part of the right side, and an assembling mechanism is arranged at the upper end of the side surface of each supporting frame;

the assembling mechanism comprises an outer cover and a fixed plate, the top of the fixed plate is fixedly connected with the bottom of the working platform, a plurality of tooth sockets and a slot are formed in the side face of the fixed plate, the outer cover is fixed on the side face of the support frame, the inner wall of the back face of the outer cover is connected with a circular gear and a rope winding wheel through a rotating shaft, a vertical plate is fixedly mounted on the inner bottom wall of the outer cover, a first guide wheel is fixedly mounted at the top of the vertical plate, an inserted bar penetrates through the side wall of the vertical plate, the right end of the inserted bar is inserted into the slot of the fixed plate, a fixed block is fixedly mounted at the other end of the inserted bar, a first pull rope is fixedly connected to the side face of the fixed block, the first pull rope penetrates through the first guide wheel and is wound on the rope winding wheel, a support plate is fixedly connected to, the top end of the electric telescopic rod is fixedly connected with a transverse plate, the bottom of the transverse plate is fixedly connected with a second pull rope, and the other end of the second pull rope penetrates through a second guide wheel and is fixedly connected with the side face of the fixing block.

Preferably, the bottom of the support frame is fixedly provided with a roller.

Preferably, one end of the inserted link, which is positioned on the fixing plate, is semicircular.

Preferably, a safety guardrail is arranged at the top of the working platform.

Preferably, the circular gear is matched with the tooth grooves on the fixing plate.

Preferably, a gap is reserved between the top of the transverse plate and the bottom of the working platform.

Preferably, a limiting device is arranged on the roller.

Preferably, a gap is reserved between the outer circular surface of the threaded sleeve and the side surface of the support frame.

(III) advantageous effects

Compared with the prior art, the invention provides a movable scaffold convenient to fold and unfold, which has the following beneficial effects:

1. according to the invention, the working platform and the support frame are combined, so that the assembly steps are greatly simplified, the assembly time is saved, and the working efficiency is improved.

2. The four support frames can be folded under the driving of the motor through the arranged screw rod, so that the volume occupied by space is greatly reduced, the transportation and the placement are very convenient and space-saving, and the practicability is very high.

3. According to the invention, through the matching of the fixed plate and the gear, the inserted link is gradually inserted into the slot on the fixed plate under the pulling of the first pull rope to fix the working platform, so that the installation is very convenient and fast, a large amount of time is saved, and the stability during installation is also ensured.

4. Through starting electric telescopic handle, promote diaphragm jack-up work platform, drive the second stay cord pulling inserted bar simultaneously and leave the fixed plate slot, first stay cord pulling rope winding wheel this moment for circle gear counter-rotation takes the fixed plate out of the dustcoat, has guaranteed work efficiency and convenience when dismantling.

Drawings

Fig. 1 is a front view of a portable scaffold of the present invention which is conveniently retracted and extended;

fig. 2 is a side view of a portable scaffolding of the present invention which is conveniently retracted and extended;

FIG. 3 is a cross-sectional view of the assembly mechanism of the present invention.

In the figure: 1 working platform, 2 support frames, 3 motors, 4 guide rails, 5 sliding blocks, 6 screw rods, 7 threaded sleeves, 8 supports, 9 connecting rods, 10 assembling mechanisms, 101 outer covers, 102 fixing plates, 103 circular gears, 104 rope winding wheels, 105 vertical plates, 106 first guide wheels, 107 inserted rods, 108 fixing blocks, 109 first pull ropes, 1010 support plates, 1011 second guide wheels, 1012 electric telescopic rods, 1013 transverse plates, 1014 second pull ropes and 11 rollers.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-3, the present invention provides a technical solution: a portable scaffold convenient to fold and unfold comprises a working platform 1 and four supporting frames 2, wherein the working platform 1 is arranged at the tops of the four supporting frames 2, rollers 11 are fixedly arranged at the bottoms of the supporting frames 2, the whole scaffold can be conveniently moved, convenience is improved, a motor 3 is fixedly arranged on the side surface of one supporting frame 2, guide rails 4 are fixedly arranged on the side surfaces of the other three supporting frames 2, sliding blocks 5 are connected on the guide rails 4 in a sliding manner, a lead screw 6 is fixedly arranged at the output end of the motor 3, the bottom end of the lead screw 6 is rotatably connected with the side surfaces of the supporting frames 2 through a bearing seat, a threaded surface of the lead screw 6 is in threaded connection with a threaded sleeve 7, a gap is reserved between the outer circular surface of the threaded sleeve 7 and the side surfaces of the supporting frames 2, the side surfaces of the threaded sleeve 7 and the three sliding blocks 5 are hinged with a support 8, and the, the middle parts of every two staggered supports 8 are hinged through a pin bolt, a connecting rod 9 is fixedly connected between the back surface of the threaded sleeve 7 and the sliding block 5 positioned behind the right side, an assembling mechanism 10 is arranged at the upper end of the side surface of each support frame 2, a safety guardrail is arranged at the top of the working platform 1, the safety of working personnel during working is guaranteed, a limiting device is arranged on the roller 11, the roller 11 can be fixed, and the danger caused by the rolling of the roller 11 during working is avoided;

the assembly mechanism 10 comprises an outer cover 101 and a fixing plate 102, the top of the fixing plate 102 is fixedly connected with the bottom of the working platform 1, the side surface of the fixing plate 102 is provided with a plurality of tooth sockets and a slot, the outer cover 101 is fixed on the side surface of the support frame 2, the inner wall of the back surface of the outer cover 101 is connected with a circular gear 103 and a rope winding wheel 104 through a rotating shaft, the circular gear 103 is matched with the tooth sockets on the fixing plate 102, the inner bottom wall of the outer cover 101 is fixedly provided with a vertical plate 105, the top of the vertical plate 105 is fixedly provided with a first guide wheel 106, the side wall of the vertical plate 105 is penetrated with an inserted rod 107, one end of the inserted rod 107 positioned on the fixing plate 102 is semicircular, the right end of the inserted rod 107 is inserted into the slot of the fixing plate 102, the other end of the inserted rod 107 is fixedly provided with a fixing block 108, the side surface of the fixing, and the side fixedly connected with second guide pulley 1011 of backup pad 1010, and the top fixedly connected with electric telescopic handle 1012 of backup pad 1010, the top fixedly connected with diaphragm 1013 of electric telescopic handle 1012, leave the clearance between the top of diaphragm 1013 and the bottom of work platform 1, the bottom fixedly connected with second stay cord 1014 of diaphragm 1013, and the other end of second stay cord 1014 passes second guide pulley 1011 and with the side fixed connection of fixed block 108.

Further, a storage battery is disposed in the housing 101, and the electric telescopic rod 1012 and the motor 3 are electrically connected to the storage battery and the main controller through wires, and the main controller can be a computer or other conventional known devices for controlling.

The working principle is as follows: during installation, the motor 3 is started, the screw rod 6 drives the bracket 8 to prop the four support frames 2 open through the threaded sleeve 7, then the fixing plate 102 on the working platform 1 is aligned to the opening at the top of the outer cover 101, the tooth socket on the fixing plate 102 is meshed with the circular gear 103, the circular gear 103 is driven to rotate by pressing downwards, the first pull rope 109 is wound around the rope winding wheel 104, the fixing block 108 is pulled to push the insertion rod 107 to be inserted into the slot on the fixing plate 102, the working platform 1 is fixed, and installation is finished at this moment;

during the dismantlement, start electric telescopic handle 1012, push up diaphragm 1013, with work platform 1 jack-up, drive second stay cord 1014 pulling fixed block 108 simultaneously, shift out the slot on the fixed plate 102 with inserted bar 107, when treating that fixed plate 102 breaks away from round gear 103, can take off work platform 1, starting motor 3 drives lead screw 6 and drives support 8 through swivel nut 7 and pack up, accomplishes the dismantlement and retrieves.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a convenient portable scaffold frame who receive and releases, includes work platform (1) and four support frames (2), and work platform (1) sets up the top at four support frames (2), its characterized in that: wherein a motor (3) is fixedly arranged on the side surface of one of the support frames (2), a guide rail (4) is fixedly arranged on the side surface of each of the other three support frames (2), a sliding block (5) is connected on the guide rail (4), a lead screw (6) is fixedly arranged at the output end of the motor (3), the bottom end of the lead screw (6) is rotatably connected with the side surface of the support frame (2) through a bearing seat, a thread surface of the lead screw (6) is in threaded connection with a threaded sleeve (7), the side surface of the threaded sleeve (7) and the three sliding blocks (5) are respectively hinged with a support (8), the other end of the support (8) is respectively hinged with the side surface of the adjacent support frame (2), the middle parts of every two staggered support frames (8) are hinged through a pin bolt, and a connecting rod (9) is fixedly connected between the back surface of the threaded sleeve (7), the upper end of the side surface of each support frame (2) is provided with an assembling mechanism (10);

the assembly mechanism (10) comprises an outer cover (101) and a fixing plate (102), the top of the fixing plate (102) is fixedly connected with the bottom of the working platform (1), a plurality of tooth sockets and a slot are formed in the side face of the fixing plate (102), the outer cover (101) is fixed on the side face of the support frame (2), the inner wall of the back face of the outer cover (101) is connected with a circular gear (103) and a rope winding wheel (104) through a rotating shaft, a vertical plate (105) is fixedly installed on the inner bottom wall of the outer cover (101), a first guide wheel (106) is fixedly installed at the top of the vertical plate (105), an insertion rod (107) penetrates through the side wall of the vertical plate (105), the right end of the insertion rod (107) is inserted into the slot of the fixing plate (102), a fixing block (108) is fixedly installed at the other end of the insertion rod (107), and a first pull rope (109) is, and first stay cord (109) pass first guide pulley (106) and wind around on rope sheave (104), the inside wall fixedly connected with backup pad (1010) of dustcoat (101), and the side fixedly connected with second guide pulley (1011) of backup pad (1010), and the top fixedly connected with electric telescopic handle (1012) of backup pad (1010), the top fixedly connected with diaphragm (1013) of electric telescopic handle (1012), the bottom fixedly connected with second stay cord (1014) of diaphragm (1013), and the other end of second stay cord (1014) pass second guide pulley (1011) and with the side fixed connection of fixed block (108).

2. The portable scaffold that conveniently receive and releases of claim 1, characterized by: and the bottom of the support frame (2) is fixedly provided with a roller (11).

3. The portable scaffold that conveniently receive and releases of claim 1, characterized by: one end of the inserted rod (107) positioned on the fixing plate (102) is semicircular.

4. The portable scaffold that conveniently receive and releases of claim 1, characterized by: and a safety guardrail is arranged at the top of the working platform (1).

5. The portable scaffold that conveniently receive and releases of claim 1, characterized by: the circular gear (103) is matched with a tooth groove on the fixing plate (102).

6. The portable scaffold that conveniently receive and releases of claim 1, characterized by: and a gap is reserved between the top of the transverse plate (1013) and the bottom of the working platform (1).

7. A portable scaffold which is convenient to be retracted and extended as claimed in claim 2, wherein: and a limiting device is arranged on the roller (11).

8. The portable scaffold that conveniently receive and releases of claim 1, characterized by: and a gap is reserved between the outer circular surface of the threaded sleeve (7) and the side surface of the support frame (2).