CN214302782U

CN214302782U - Portable scaffold

Info

Publication number: CN214302782U
Application number: CN202022929295.4U
Authority: CN
Inventors: 孙廷昊; 侯大权; 邵千智; 王南; 张思超; 张鹤; 孙瑞雪; 游奥; 王子佳; 夏可冰
Original assignee: State Grid Liaoning Electric Power Co ltd Industrial Branch
Current assignee: State Grid Liaoning Electric Power Co ltd Industrial Branch
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2021-09-28
Anticipated expiration: 2030-12-09

Abstract

The utility model discloses a portable scaffold, including two fixed stay bars, two movable support pole, footboard platform and four square head diagonal brace, the outside of two movable support pole bottoms respectively is provided with a spring universal wheel, and two liang of alternately of four square head diagonal brace set up between the fixed stay bar and the movable support pole of homonymy, and the cross section with two square head diagonal brace of same one side cross arrangement passes through connecting element and articulates the connection. Two crossbeams and a platform dead lever have all been welded in proper order from bottom to top between two fixed support poles and between two movable support poles, the footboard platform is taken on two crossbeams that are located the top, and footboard platform one end is for dismantling the ring, and the other end is the closed ring, overlaps respectively on the platform dead lever of locating both sides. The utility model discloses simple structure, reasonable in design, the convenient dismantlement has improved workman's work efficiency, can be used for the shed roof operation of environments such as rotatory stair, table surface fast.

Description

Portable scaffold

Technical Field

The utility model relates to a scaffold frame especially relates to a portable scaffold frame.

Background

Some of the property service works involve overhead work of 2-3 meters, and such work is mainly completed by erecting ladders. However, some work areas do not have the conditions for building ladders, such as ceiling over a revolving stairway, ceiling over a countertop, etc. In this case, the work is performed after the scaffold is built. The traditional scaffold has the problems of high cost, long moving time of assembling and disassembling, inconvenient carrying, low timeliness and the like. In order to solve the problems, a portable scaffold is designed. This scaffold can possess quick installation, removal and dismantlement function on the basis that satisfies actual use environment requirement.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a portable scaffold frame, this scaffold frame can be used to the shed roof operation of rotatory stair, table surface environment.

In order to solve the problems existing in the prior art, the utility model discloses a technical scheme as follows:

a portable scaffold comprises two fixed support rods, two movable support rods, a pedal platform and four square-head diagonal support rods, wherein the four support rods are vertically positioned at four corners of a rectangle respectively, the bottom ends of the four support rods are connected with a support base, the outer sides of the bottoms of the two movable support rods are respectively provided with a spring universal wheel, and the bottoms of the spring universal wheels are flush with the bottom of the support base; the spring universal wheel comprises a damping spring, an L-shaped connecting rod, a connecting rod and a universal wheel, one end of the L-shaped connecting rod is connected with the bottom of the movable supporting rod, the other end of the L-shaped connecting rod is connected with the damping spring, the other end of the damping spring is connected with the universal wheel through the connecting rod, the four square-head inclined supporting rods are crossed in pairs and arranged between the fixed supporting rod and the movable supporting rod at the same side, and the crossed parts of the two square-head inclined supporting rods which are crossed at the same side are hinged through connecting components. Two crossbeams and a platform dead lever have all been welded in proper order from bottom to top between two fixed support poles and between two movable support poles, two crossbeam parallel arrangement, are provided with the ladder between two upper and lower crossbeams on the fixed support pole, the footboard platform is taken on two crossbeams that are located the top, and two angles departments of footboard platform one side respectively set up one and can dismantle the ring, overlap the both ends of locating the platform dead lever of homonymy respectively, and two angles departments of opposite side respectively set up a closed ring, overlap the both ends of locating the platform dead lever of homonymy respectively.

Furthermore, four spinal branch vaulting poles are scalable bracing piece, scalable bracing piece comprises two long pipes that the suit is in the same place, is provided with a plurality of trompil on the long pipe, and the combination frame fixed pin inserts the slot hole, fixes two long pipes.

Furthermore, one end of each of the two square-head diagonal support rods arranged in parallel is fixed to the upper portion of the fixed support rod through the bolt and nut sleeve and the opening, and the other end of each of the two square-head diagonal support rods is fixed to the lower portion of the movable support rod on the same side through the bolt and nut sleeve and the opening; one ends of the other two square-head inclined support rods which are arranged in parallel are fixed on the lower portion of the fixed support rod through the bolt and nut external member and the opening, and the other ends of the other two square-head inclined support rods are fixed on the upper portion of the movable support rod on the same side through the bolt and nut external member and the opening.

Furthermore, the upper parts of the two fixed supporting rods and the two movable supporting rods are respectively provided with an anti-falling hook above the pedal platform, and two ends of the anti-falling chain are sleeved on the anti-falling hooks.

Furthermore, the ladder step is welded and connected to the fixed supporting rod and the cross beam.

Furthermore, a connecting handle is arranged on the movable supporting rod.

The utility model has the advantages and beneficial effects that:

the utility model relates to a portable scaffold frame, because fixed stay bar, activity bracing piece and square head diagonal brace all are folding, the equipment of completion scaffold frame that can be very light has increased the spring universal wheel simultaneously, and the spring universal wheel has shock-absorbing function, is convenient for remove under various scenes, and the footboard platform is placed on scaffold frame simultaneously, and square head diagonal brace passes through the bolt and nut external member with the bracing piece to be connected, folding and the dismantlement of completion scaffold frame that can be very light. And a fixed handle is arranged at the side of the support rod, so that the scaffold is easy to carry as a whole. The utility model discloses a prevent weighing down the couple and hang and prevent weighing down the chain, prevent weighing down chain convenient to carry, easily adjustment length, can be convenient protect constructor. The utility model discloses simple structure, reasonable in design, the convenient dismantlement has improved workman's work efficiency, can be used for the shed roof operation of environments such as rotatory stair, table surface fast.

Drawings

Fig. 1 is a schematic overall structure diagram of a portable scaffold of the present invention;

FIG. 2 is a schematic structural view of the retractable support rod;

FIG. 3 is a schematic view of the connection between the pedal platform and the detachable ring and the closed ring;

fig. 4 is a schematic structural diagram of the spring universal wheel.

In the figure: the anti-falling device comprises a fixed support rod 11, a movable support rod 1, a pedal platform 2, a square-head inclined support rod 3, a connecting handle 4, an anti-falling chain 5, an anti-falling hook 6, a cross beam 12, a combined frame fixing pin 13, a spring universal wheel 14, a support base 15, an opening 16, a ladder step 17, a damping spring 19, a detachable ring 21, a closed ring 22, a platform fixing rod 31, a bolt-nut suite 32 and a connecting member 33.

Detailed Description

As shown in fig. 1, the utility model relates to a portable scaffold, including two fixed stay bars 11, two movable support pole 1, footboard platform 2 and four square head diagonal brace 3, four spinal branch vaulting poles are vertical respectively to be located rectangular four angles, and the bottom of four spinal branch vaulting poles all is connected with supporting base 15, and the outside of two movable support pole bottoms respectively is provided with a spring universal wheel 14, and the bottom of spring universal wheel 14 flushes with the bottom that supports base 15. As shown in fig. 4, the spring universal wheel 14 includes a damping spring 19, an L-shaped connecting rod, a connecting rod and a universal wheel, one end of the L-shaped connecting rod is connected with the bottom of the movable supporting rod, the other end of the L-shaped connecting rod is connected with the damping spring 19, and the other end of the damping spring 19 is connected with the universal wheel through the connecting rod. In daily use, can remove through the spring universal wheel on complicated ground such as stair, have fine shock attenuation effect, have a fine protection to equipment and staff. Four square head diagonal braces 3 are two liang of alternately, set up between the fixed stay bar and the movable support pole of homonymy, and two crossbeams 12 and a platform dead lever 31 have all been welded from supreme in proper order between two fixed stay bars 11 and between two movable support poles 1, and two crossbeams 12 parallel arrangement are provided with ladder rung 17 between two upper and lower crossbeams 12 on the fixed stay bar, ladder rung 17 welded connection is on fixed stay bar and crossbeam 12.

As shown in fig. 3, the pedal platform 2 is placed on two beams 12 above, two detachable rings 21 are respectively disposed at two corners of one side of the pedal platform 2, and are respectively sleeved at two ends of the platform fixing rod 31 at the same side, and two closed rings 22 are respectively disposed at two corners of the other side and are respectively sleeved at two ends of the platform fixing rod 31 at the same side. In order to achieve better dismounting or fixing effect, the two ends of the pedal platform 2 can be set as semi-closed rings 21.

As shown in fig. 2, the four support rods are all retractable support rods, each retractable support rod is composed of two long tubes which are sleeved together, a plurality of holes 16 are formed in the long tubes, and the combined frame fixing pins 13 are inserted into the long holes to fix the two long tubes. The upper parts of the two fixed supporting rods and the two movable supporting rods 1 are respectively provided with an anti-falling hook 6 above the pedal platform, and the two ends of the anti-falling chain 5 are sleeved on the anti-falling hooks 6. The movable support rod 1 is provided with a connecting handle 4.

The crossing parts of the two square-head inclined supporting rods 3 which are arranged on the same side in a crossing mode are hinged through a connecting component 33. One ends of two parallel square-head diagonal braces 3 are fixed on the upper parts of the fixed support rods through the bolt and nut kits 32 and the openings 16, and the other ends of the two parallel square-head diagonal braces are fixed on the lower parts of the movable support rods on the same side through the bolt and nut kits 32 and the openings 16; one ends of the other two parallel square-head diagonal braces 3 are fixed at the lower parts of the fixed support rods through the bolt and nut kits 32 and the openings 16, and the other ends of the other two parallel square-head diagonal braces are fixed at the upper parts of the movable support rods at the same side through the bolt and nut kits 32 and the openings 16.

The utility model discloses a use method as follows:

the method for folding the scaffold comprises the following steps: the square head diagonal brace 3 is detached from the fixed support rod, the semi-closed ring 21 on the pedal platform is detached from the platform fixed rod, the pedal platform is overlapped with the movable support rod after rotating, and the folding process is completed.

The method for unfolding the scaffold comprises the following steps: the fixed supporting rod and the movable supporting rod are arranged at proper positions, the square head inclined supporting rod 3 connected with the movable supporting rod is connected to the fixed supporting rod, and then the pedal platform 2 is placed on the cross beam 12.

Although specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that this is by way of example only and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and the principles of the present invention, and these changes and modifications are all within the scope of the present invention.

Claims

1. A portable scaffold which characterized in that: the pedal device comprises two fixed supporting rods (11), two movable supporting rods (1), a pedal platform (2) and four square-head inclined supporting rods (3), wherein the four supporting rods are respectively vertically positioned at four corners of a rectangle, the bottom ends of the four supporting rods are respectively connected with a supporting base (15), the outer sides of the bottoms of the two movable supporting rods are respectively provided with a spring universal wheel (14), and the bottoms of the spring universal wheels (14) are flush with the bottom of the supporting base (15); the spring universal wheel (14) comprises a damping spring (19), an L-shaped connecting rod, a connecting rod and a universal wheel, one end of the L-shaped connecting rod is connected with the bottom of the movable supporting rod, the other end of the L-shaped connecting rod is connected with the damping spring (19), the other end of the damping spring (19) is connected with the universal wheel through the connecting rod, four square-head inclined supporting rods (3) are crossed in pairs and arranged between the fixed supporting rod and the movable supporting rod on the same side, and the crossed parts of the two square-head inclined supporting rods (3) crossed on the same side are connected through hinges; two crossbeams (12) and a platform dead lever (31) have all been welded in proper order from bottom to top between two fixed stay poles (11) and between two movable support pole (1), and two crossbeams (12) parallel arrangement are provided with ladder step (17) between two upper and lower crossbeams (12) on the fixed stay pole, footboard platform (2) are taken on two crossbeams (12) that are located the top, and two angle departments of footboard platform (2) one side respectively set up one and can dismantle ring (21), overlap respectively and locate the both ends of the platform dead lever (31) of homonymy, and two angle departments of opposite side respectively set up one and close ring (22), overlap respectively and locate the both ends of the platform dead lever (31) of homonymy.

2. A portable scaffolding according to claim 1, wherein: the four support rods are telescopic support rods, each telescopic support rod is composed of two long pipes which are sleeved together, a plurality of holes (16) are formed in the long pipes, and the combined frame fixing pins (13) are inserted into the long holes to fix the two long pipes.

3. A portable scaffolding according to claim 1, wherein: one ends of two parallel square-head inclined supporting rods (3) are fixed on the upper parts of the fixed supporting rods through bolt and nut kits (32) and the openings (16), and the other ends of the two parallel square-head inclined supporting rods are fixed on the lower parts of the movable supporting rods on the same side through the bolt and nut kits (32) and the openings (16); one ends of the other two parallel square-head inclined supporting rods (3) are fixed at the lower parts of the fixed supporting rods through bolt and nut kits (32) and the openings (16), and the other ends of the other two parallel square-head inclined supporting rods are fixed at the upper parts of the movable supporting rods at the same side through the bolt and nut kits (32) and the openings (16).

4. A portable scaffolding according to claim 1, wherein: the upper parts of the two fixed supporting rods and the two movable supporting rods (1) are respectively provided with an anti-falling hook (6) above the pedal platform, and the two ends of the anti-falling chain (5) are sleeved on the anti-falling hooks (6).

5. A portable scaffolding according to claim 1, wherein: the ladder steps (17) are connected to the fixed supporting rods and the cross beam (12) in a welding mode.

6. A portable scaffolding according to claim 1, wherein: the movable support rod (1) is provided with a connecting handle (4).