CN211817842U

CN211817842U - Foldable movable scaffold

Info

Publication number: CN211817842U
Application number: CN202020187239.5U
Authority: CN
Inventors: 詹振生; 殷蔚曙; 殷少愚
Original assignee: Shanghai Senda Machinery Manufacturing Co ltd
Current assignee: Shanghai Senda Machinery Manufacturing Co ltd
Priority date: 2020-02-19
Filing date: 2020-02-19
Publication date: 2020-10-30
Anticipated expiration: 2030-02-19

Abstract

The utility model relates to a scaffold frame, in particular to folding portable scaffold frame. The pedal type pedal comprises a supporting frame and a pedal platform, wherein the supporting frame comprises a first short edge supporting frame, a second short edge supporting frame, a first long edge supporting frame and a second long edge supporting frame; the hooks connected with the two short side surfaces of the pedal platform are respectively hung on a first short side upper cross beam on the first short side support frame and a second short side upper cross beam on the second short side support frame, and the hooks connected with the two long side surfaces of the pedal platform are respectively hung on a first long side upper cross beam on the first long side support frame and a second long side upper cross beam on the second long side support frame. The utility model discloses a braced frame of bottom provides reliable stable support for the footboard platform, has improved the security performance of staff's work on the scaffold frame.

Description

Foldable movable scaffold

Technical Field

The utility model relates to a scaffold frame, in particular to folding portable scaffold frame.

Background

The foldable movable scaffold is a working platform temporarily erected for ensuring smooth operation of each construction process. The scaffold is divided into an external folding movable scaffold and an internal folding movable scaffold according to the erected positions; the scaffold can be divided into a movable scaffold with foldable wood, a movable scaffold with foldable bamboo and a movable scaffold with foldable steel pipes according to different materials; the scaffold is divided into a vertical rod type foldable movable scaffold, a bridge type foldable movable scaffold, a gate type foldable movable scaffold, a suspension type foldable movable scaffold, a hanging type foldable movable scaffold, a lifting type foldable movable scaffold and a climbing type foldable movable scaffold according to the structural form.

In the prior art, chinese patent publication No. CN 110306773 a discloses a foldable mobile scaffold. The novel pedal comprises two supporting structures, a pedal platform and four square-head inclined struts, wherein the four square-head inclined struts are connected to the supporting structures through connecting members, and the pedal platform is placed on the upper portions of the supporting structures. Folding portable scaffold puts up bearing structure and square head bracing of mentioning among the above-mentioned technical scheme and has made folding whole, the equipment of the folding portable scaffold of completion that can be very light, and the footboard platform is placed on folding portable scaffold simultaneously, and square head bracing passes through the bolt and nut external member with bearing structure and is connected, and the dismantlement and the folding of the folding portable scaffold of completion that can be very light. And the universal wheels are arranged below the supporting structure, so that the foldable movable scaffold is easy to carry as a whole.

In practical use, the foldable mobile scaffold can be folded and stored, so that the scaffold is convenient to carry. But four square-head inclined struts on the side surfaces of the scaffold have limited supporting strength, so that good and stable support can not be provided for the scaffold, and certain potential safety hazards exist in use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a folding portable scaffold frame provides reliable stable support for the footboard platform through the braced frame of bottom, has improved the security performance of staff's work on the scaffold frame.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a foldable movable scaffold comprises a supporting frame and a pedal platform, wherein two short side surfaces and two long side surfaces of the pedal platform are fixedly connected with a plurality of hooks respectively; the supporting frame comprises a first short edge supporting frame, a second short edge supporting frame, a first long edge supporting frame and a second long edge supporting frame, the first long edge supporting frame and the second long edge supporting frame are arranged in parallel, pin shaft supports are fixedly connected to the upper portions and the lower portions of the front ends and the rear ends of the first long edge supporting frame and the second long edge supporting frame respectively, pin shafts are fixedly connected to the pin shaft supports, the first short edge supporting frame and the second short edge supporting frame are arranged in parallel, the upper portions and the lower portions of the left end and the right end of the first short edge supporting frame are rotatably connected to the pin shafts on the upper portion and the lower portion of the front end of the first long edge supporting frame and the front end of the second long edge supporting frame respectively, and the upper; the hooks connected with the two short side surfaces of the pedal platform are respectively hung on a first short side upper cross beam on the first short side support frame and a second short side upper cross beam on the second short side support frame, and the hooks connected with the two long side surfaces of the pedal platform are respectively hung on a first long side upper cross beam on the first long side support frame and a second long side upper cross beam on the second long side support frame.

Through adopting above-mentioned technical scheme, braced frame's first minor face support frame, second minor face support frame, first long limit support frame and the long limit support frame of second realize rotating through the round pin axle and connect, can enough convenient expansion when using, can fold the braced frame again and deposit, convenient transportation when not. The footboard platform passes through the couple and connects respectively on braced frame's first minor face support frame, second minor face support frame, the long limit support frame of first long limit support frame and second, the length direction of footboard platform is realized supporting by braced frame's the long limit support frame of first long limit support frame and second, the width direction of footboard platform is realized supporting by braced frame's first minor face support frame and second minor face support frame, braced frame has realized the firm support to the footboard platform, the security performance of staff's work on the scaffold frame has been improved.

Further, first long limit support frame includes crossbeam, first long limit bottom end rail and two first long limit longerons on the first long limit, and crossbeam and first long limit bottom end rail divide upper and lower parallel arrangement on the first long limit, and both ends are perpendicular welding two first long limit longeron upper ends respectively about the first long limit entablature, and both ends are perpendicular welding two first long limit longeron lower extremes respectively about the first long limit bottom end rail.

Through adopting above-mentioned technical scheme, crossbeam, first long limit bottom end rail and two first long limit longerons welded connection form stable in structure's first long limit support frame on first long limit, and first long limit support frame can the stable support footboard platform.

Further, the long-side support frame of second includes the long side crossbeam of second, the long side bottom end rail of second and two long side longerons of second, and parallel arrangement about the long side crossbeam of second and the long side bottom end rail of second, both ends are the long side crossbeam of second about the long side crossbeam of second respectively the long side longeron upper end of two second of vertical welding, and both ends are the long side longeron lower extreme of two second of vertical welding respectively about the long side bottom end rail of second, the long side support frame center of second is equipped with cruciform structure's first strengthening rib, and the upper and lower end of first strengthening rib welds the long side crossbeam of second and the long side bottom end rail length direction's of second intermediate position respectively, and the end welds the long side longeron length direction's of two second intermediate.

Through adopting above-mentioned technical scheme, the first strengthening rib of welding has improved structural strength in the long limit support frame of second for the long limit support frame of second can the stable support footboard platform.

Further, first minor face support frame includes first minor face entablature, first minor face bottom end rail and two first minor face longerons, and parallel arrangement about first minor face entablature and first minor face bottom end rail divide, and two first minor face longeron upper ends are welded respectively at first minor face entablature both ends, and two first minor face longeron lower extremes are welded respectively at first minor face bottom end rail both ends, first minor face support frame center is equipped with long banding second strengthening rib, and the second strengthening rib both ends are welded respectively at two first minor face longeron length direction's intermediate position.

Through adopting above-mentioned technical scheme, the second strengthening rib of welding in the first minor face support frame has improved structural strength for first minor face support frame can the stable support footboard platform.

Further, the second minor face support frame includes second minor face entablature, second minor face bottom end rail and two second minor face longerons, and parallel arrangement about second minor face entablature and second minor face bottom end rail divide, and two second minor face longeron upper ends are welded respectively at second minor face entablature both ends, and two second minor face longeron lower extremes are welded respectively at second minor face bottom end rail both ends, from the top down has a plurality of parallel climbing crossbeams of each other in the second minor face support frame, and the both ends of climbing crossbeam are welded respectively on two second minor face longerons.

Through adopting above-mentioned technical scheme, when using, the staff can climb to the footboard platform along the climbing crossbeam of second minor face support frame on.

Further, a plurality of first mounting lug seats are fixedly connected to a first long-edge lower cross beam on the first long-edge supporting frame, the first mounting lug seats are rotatably connected to one end of a rotating shaft of the bottom frame, the other end of the rotating shaft of the bottom frame is rotatably connected to a second mounting lug seat, the second mounting lug seats are fixedly connected to one side of the bottom frame, and the other side of the bottom frame can be placed on a second long-edge lower cross beam on the second long-edge supporting frame.

By adopting the technical scheme, the lower bottom frame can rotate around the first long-side lower cross beam of the first long-side support frame to realize position adjustment, when the lower bottom frame is normally used, the lower bottom frame rotates to be vertical to the second long-side support frame, the other side of the lower bottom frame can be placed on the second long-side lower cross beam on the second long-side support frame, and the left side and the right side of the lower bottom frame are close to the inner side end faces of the first short-side support frame and the second short-side support frame; when the folding storage is needed, the lower bottom frame rotates to be parallel to the second long-edge supporting frame, and the lower bottom frame is internally received into the first long-edge supporting frame.

Furthermore, a plurality of limiting plates are fixedly connected to the lower end face of the first long-edge upper beam on the first long-edge supporting frame, and the limiting plates are located on the rotating path of the lower chassis.

Through adopting above-mentioned technical scheme, the limiting plate is located the underframe rotation route down, can block down the underframe and go from first long limit support frame internal rotation to the outside.

Furthermore, one end of a pin shaft connected between the first short-side support frame and the second long-side support frame is fixedly connected with a first locking plate, the first locking plate is provided with a first locking hole, a first long-side upper cross beam on the first long-side support frame is vertically connected with a first locking bolt, the first locking bolt is connected with a first locking nut, the first locking bolt can extend into the first locking hole of the first locking plate and lock the first locking bolt and the first locking plate through the first locking nut, and one end of a pin shaft connected between the second short-side support frame and the first long-side support frame is fixedly connected with a second locking plate, a second locking hole is formed in the second locking plate, a second locking bolt is vertically connected to a second long-side upper cross beam on the second long-side support frame, a second locking nut is connected to the second locking bolt, and the second locking bolt can stretch into the second locking hole of the second locking plate and lock the second locking bolt and the second locking plate through the second locking nut.

Through adopting above-mentioned technical scheme, folding back with braced frame, first minor face support frame hugs closely first long limit support frame and locks through first lock nut of locking bolt cooperation, and the long limit support frame of second is hugged closely to second minor face support frame and is locked through second lock nut of second lock bolt cooperation, guarantees that first minor face support frame, second minor face support frame, first long limit support frame and the long limit support frame of second can keep certain relative position relation.

To sum up, the utility model discloses following beneficial effect has:

1. the reliable and stable support is provided for the pedal platform through the support frame at the bottom, so that the working safety performance of workers on the scaffold is improved;

2. the supporting frame is of a foldable structure, so that the foldable solar water heater can be conveniently folded, transported and stored, and can be conveniently and quickly unfolded when in use;

3. through set up the climbing crossbeam on second minor face support frame, make things convenient for the staff to climb on the footboard platform.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a perspective view of the first long-side support frame and the second long-side support frame of the present invention.

Fig. 3 is a perspective view of the support frame of the present invention.

Fig. 4 is a folded state view of the present invention.

In the figure, 1, a pedal platform; 2. hooking; 3. a pin shaft support; 4. a pin shaft; 5. a first short upper cross beam; 6. a second short upper cross beam; 7. a first long upper cross beam; 8. a second long upper cross beam; 9. a first long-side lower beam; 10. a second long-side lower beam; 11. a first mounting ear mount; 12. a second mounting ear mount; 13. a chassis spindle; 14. a limiting plate; 15. a first long-side stringer; 16. a second long-side stringer; 17. a first reinforcing rib; 19. a first short side lower beam; 20. a first short side stringer; 22. a second short side lower beam; 23. a second short side stringer; 24. a second reinforcing rib; 25. climbing a cross beam; 26. a first locking plate; 27. a first locking bolt; 28. a first lock nut; 29. a second locking plate; 30. a second locking bolt; 31. a second lock nut; 32. a lower chassis.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, the utility model discloses mainly include braced frame and footboard platform 1, footboard platform 1 is rectangular shape platelike structure, and two short side sides and two long side of footboard platform 1 are rigid coupling a plurality of couple 2 respectively. As shown in fig. 2 and 3, the supporting frame comprises a first short-edge supporting frame, a second short-edge supporting frame, a first long-edge supporting frame and a second long-edge supporting frame, the first long-edge supporting frame and the second long-edge supporting frame are arranged in parallel, the upper portions and the lower portions of the front end and the rear end of the first long-edge supporting frame and the rear end of the second long-edge supporting frame are fixedly connected with a pin shaft support 3 respectively, and a pin shaft 4 is fixedly connected to. First minor face support frame and second minor face support frame parallel arrangement, the upper and lower part at both ends is rotated respectively about first minor face support frame and is connected on round pin axle 4 of the upper and lower part on first long limit support frame, the long limit support frame front end of second, and the upper and lower part at both ends is rotated respectively about the second minor face support frame and is connected on round pin axle 4 of the upper and lower part on first long limit support frame and the long limit support frame rear end of second. The couple 2 that two short side sides of footboard platform 1 are connected hangs respectively on first short side crossbeam 5 on the first short side support frame and on the second short side crossbeam 6 on the second short side support frame, and the couple 2 that two long side sides of footboard platform 1 are connected hangs respectively on first long side crossbeam 7 on the first long side support frame and the second long side crossbeam 8 on the long side support frame of second.

When the folding type folding supporting frame is used, the first short edge supporting frame, the second short edge supporting frame, the first long edge supporting frame and the second long edge supporting frame of the supporting frame are connected in a rotating mode through the pin shafts, the folding type folding supporting frame can be unfolded conveniently when the folding type folding supporting frame is not used, and transportation is facilitated. Footboard platform 1 is connected respectively at braced frame's first minor face support frame through couple 2, the second minor face support frame, on the long limit support frame of first long limit support frame and second, the length direction of footboard platform 1 is realized supporting by braced frame's the long limit support frame of first long limit support frame and second, the width direction of footboard platform 1 is realized supporting by braced frame's first minor face support frame and second minor face support frame, braced frame has realized the firm support to footboard platform 1, the security performance of staff's work on the scaffold frame has been improved.

As shown in fig. 2, the first long-side support frame includes a first long-side upper cross beam 7, a first long-side lower cross beam 9 and two first long-side longitudinal beams 15, the first long-side upper cross beam 7 and the first long-side lower cross beam 9 are arranged in parallel vertically, the upper ends of the two first long-side longitudinal beams 15 are respectively welded at the left end and the right end of the first long-side upper cross beam 7 vertically, and the lower ends of the two first long-side longitudinal beams 15 are respectively welded at the left end and the right end of the first long-side lower cross beam.

As shown in fig. 2, the second long-side support frame includes a second long-side upper cross beam 8, a second long-side lower cross beam 10 and two second long-side longitudinal beams 16, the second long-side upper cross beam 8 and the second long-side lower cross beam 10 are arranged in parallel up and down, the upper ends of the two second long-side longitudinal beams 16 are respectively and vertically welded to the left and right ends of the second long-side upper cross beam 8, and the lower ends of the two second long-side longitudinal beams 16 are respectively and vertically welded to the left and right ends of the second long-side lower cross.

In order to improve the supporting strength of the second long-side supporting frame, as shown in fig. 2, a first reinforcing rib 17 with a cross structure is arranged at the center of the second long-side supporting frame, the upper end and the lower end of the first reinforcing rib 17 are respectively welded at the middle positions in the length direction of the second long-side upper cross beam 8 and the second long-side lower cross beam 10, and the left end and the right end of the first reinforcing rib 17 are respectively welded at the middle positions in the length direction of the two second long-side longitudinal beams 16.

As shown in fig. 3, the first short side support frame includes a first short side upper beam 5, a first short side lower beam 19 and two first short side longitudinal beams 20, the first short side upper beam 5 and the first short side lower beam 19 are arranged in parallel up and down, two ends of the first short side upper beam 5 are respectively welded to upper ends of the two first short side longitudinal beams 20, and two ends of the first short side lower beam 19 are respectively welded to lower ends of the two first short side longitudinal beams 20.

In order to improve the supporting strength of the first short-side supporting frame, as shown in fig. 3, a second elongated reinforcing rib 24 is provided at the center of the first short-side supporting frame, and both ends of the second reinforcing rib 24 are respectively welded to the middle positions of the two first short-side longitudinal beams 20 in the length direction.

As shown in fig. 1, the second short-side support frame includes a second short-side upper cross beam 6, a second short-side lower cross beam 22 and two second short-side longitudinal beams 23, the second short-side upper cross beam 6 and the second short-side lower cross beam 22 are arranged in parallel up and down, the two ends of the second short-side upper cross beam 6 are respectively welded to the upper ends of the two second short-side longitudinal beams 23, and the two ends of the second short-side lower cross beam 22 are respectively welded to the lower ends of the two second short-side longitudinal beams 23.

Since the tread platform 1 is higher from the ground, it is convenient for the staff to climb onto the tread platform 1 from the supporting frame. As shown in fig. 1, a plurality of mutually parallel climbing crossbeams 25 are arranged in the second short-edge support frame from top to bottom, and two ends of the climbing crossbeams 25 are respectively welded on the two second short-edge longitudinal beams 23.

In order to ensure that the first short-edge support frame, the second short-edge support frame, the first long-edge support frame and the second long-edge support frame of the support frame can be kept stable after being unfolded. As shown in fig. 2, a plurality of first mounting lug seats 11 are fixedly connected to a first long-side lower cross beam 9 on a first long-side support frame, the first mounting lug seats 11 are rotatably connected to a chassis rotating shaft 13, the chassis rotating shaft 13 is rotatably connected to a second mounting lug seat 12, the second mounting lug seats 12 are fixedly connected to one side of a lower chassis 32, and the other side of the lower chassis 32 can be placed on a second long-side lower cross beam 10 on a second long-side support frame.

The lower underframe can rotate around a first long-edge lower cross beam 9 of the first long-edge support frame to realize position adjustment, when the lower underframe is normally used, the lower underframe rotates to be perpendicular to a second long-edge support frame, the other side of the lower underframe can be placed on a second long-edge lower cross beam 10 on the second long-edge support frame, and the left side and the right side of the lower underframe are close to the inner side end faces of the first short-edge support frame and the second short-edge support frame. When the folding storage is needed, the lower bottom frame rotates to be parallel to the second long-edge supporting frame, and the lower bottom frame is internally received into the first long-edge supporting frame.

In order to prevent the lower underframe from falling down from the outer side of the first long-edge support frame, as shown in fig. 2, the lower end face of the first long-edge upper cross beam 7 on the first long-edge support frame is fixedly connected with a plurality of limiting plates 14, and the limiting plates 14 are positioned on the rotating path of the lower underframe and can block the lower underframe from rotating to the outer side from the first long-edge support frame.

When the support frame is folded and stored, certain relative position relation can be kept for ensuring the first short edge support frame, the second short edge support frame, the first long edge support frame and the second long edge support frame. As shown in fig. 3 and 4, one end of the pin shaft 4 connected between the first short-side support frame and the second long-side support frame is fixedly connected with a first locking plate 26, a first locking hole is formed in the first locking plate 26, a first locking bolt 27 is vertically connected to the first long-side upper cross beam 7 on the first long-side support frame, a first locking nut 28 is connected to the first locking bolt 27, and the first locking bolt 27 can extend into the first locking hole of the first locking plate 26 and can lock the first locking bolt 27 and the first locking plate 26 through the first locking nut 28. One end of a pin shaft 4 connected between the second short-side support frame and the first long-side support frame is fixedly connected with a second locking plate 29, a second locking hole is formed in the second locking plate 29, a second locking bolt 30 is perpendicularly connected to the second long-side upper cross beam 8 on the second long-side support frame, a second locking nut 31 is connected to the second locking bolt 30, and the second locking bolt 30 can stretch into the second locking hole of the second locking plate 29 and lock the second locking nut 30 and the second locking plate 29 through the second locking nut 31.

After the supporting frame is folded, as shown in fig. 4, the first short-side supporting frame is tightly attached to the first long-side supporting frame and locked by a first locking bolt matched with a first locking nut, and the second short-side supporting frame is tightly attached to the second long-side supporting frame and locked by a second locking bolt matched with a second locking nut.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. A collapsible mobile scaffold comprising a support frame and a tread platform (1), characterized in that: two short side surfaces and two long side surfaces of the pedal platform (1) are fixedly connected with a plurality of hooks (2) respectively; the supporting frame comprises a first short edge supporting frame, a second short edge supporting frame, a first long edge supporting frame and a second long edge supporting frame, the first long edge supporting frame and the second long edge supporting frame are arranged in parallel, the upper parts and the lower parts of the front ends and the rear ends of the first long edge supporting frame and the second long edge supporting frame are fixedly connected with pin shaft supports (3) respectively, pin shafts (4) are fixedly connected onto the pin shaft supports (3), the first short edge supporting frame and the second short edge supporting frame are arranged in parallel, the upper parts and the lower parts of the left end and the right end of the first short edge supporting frame are rotatably connected onto pin shafts (4) on the upper part and the lower part of the front end of the first long edge supporting frame and the front end of the second long edge supporting frame respectively, and the upper parts and the; couple (2) that two minor face sides of footboard platform (1) are connected hang respectively on first minor face upper crossbeam (5) on the first minor face support frame and on second minor face upper crossbeam (6) on the second minor face support frame, couple (2) that two major face sides of footboard platform (1) are connected hang respectively on first long edge upper crossbeam (7) on first long edge support frame and second long edge upper crossbeam (8) on the long edge support frame of second.

2. The collapsible mobile scaffold of claim 1, wherein: first long limit support frame includes crossbeam (7) on the first long limit, first long limit bottom end rail (9) and two first long limit longerons (15), and parallel arrangement about crossbeam (7) and first long limit bottom end rail (9) on the first long limit goes up, and both ends are perpendicular welding two first long limit longerons (15) upper ends respectively about crossbeam (7) on the first long limit, and both ends are perpendicular welding two first long limit longerons (15) lower extremes respectively about crossbeam (9) on the first long limit.

3. The collapsible mobile scaffold of claim 1, wherein: the long limit support frame of second includes crossbeam (8) on the long limit of second, the long limit bottom end rail of second (10) and two long limit longerons of second (16), and parallel arrangement about crossbeam (8) and the long limit bottom end rail of second (10) on the long limit of second (8), both ends difference vertical welding long limit longeron of two seconds (16) upper ends about the long limit of second (8), and both ends difference vertical welding long limit longeron of two seconds (16) lower extreme about the long limit bottom end rail of second (10), the long limit support frame center of second is equipped with first strengthening rib (17) of cruciform structure, and the upper and lower end of first strengthening rib (17) welds the long limit of second (8) and the long limit bottom end rail of second (10) length direction's intermediate position respectively, and the end welds the long limit longeron of two seconds (16) length direction's intermediate position about first strengthening rib (17) respectively.

4. The collapsible mobile scaffold of claim 1, wherein: first minor face support frame includes first minor face entablature (5), first minor face bottom end rail (19) and two first minor face longerons (20), and parallel arrangement about first minor face entablature (5) and first minor face bottom end rail (19) divide, and two first minor face longerons (20) upper ends are welded respectively at first minor face entablature (5) both ends, and two first minor face longerons (20) lower extremes are welded respectively at first minor face bottom end rail (19) both ends, first minor face support frame center is equipped with long banding second strengthening rib (24), and second strengthening rib (24) both ends are welded respectively at the intermediate position of two first minor face longerons (20) length direction.

5. The collapsible mobile scaffold of claim 1, wherein: the second minor face support frame includes second minor face entablature (6), second minor face bottom end rail (22) and two second minor face longerons (23), and parallel arrangement about second minor face entablature (6) and second minor face bottom end rail (22) divide, and two second minor face longerons (23) upper ends are welded respectively at second minor face entablature (6) both ends, and two second minor face longerons (23) lower extremes are welded respectively at second minor face bottom end rail (22) both ends, from the top down have a plurality of parallel climbing crossbeams (25) of each other in the second minor face support frame, and the both ends of climbing crossbeam (25) are welded respectively on two second minor face longerons (23).

6. The collapsible mobile scaffold of claim 1, wherein: the long-edge supporting frame is characterized in that a plurality of first mounting lug seats (11) are fixedly connected to a first long-edge lower cross beam (9) on the first long-edge supporting frame, the first mounting lug seats (11) are rotatably connected with a bottom frame rotating shaft (13), the bottom frame rotating shaft (13) is rotatably connected with a second mounting lug seat (12), the second mounting lug seats (12) are fixedly connected to one side of a lower bottom frame (32), and the other side of the lower bottom frame (32) can be placed on a second long-edge lower cross beam (10) on the second long-edge supporting frame.

7. The collapsible mobile scaffold of claim 6, wherein: the lower end face of a first long upper cross beam (7) on the first long edge supporting frame is fixedly connected with a plurality of limiting plates (14), and the limiting plates (14) are located on a rotating path of the lower chassis.

8. The collapsible mobile scaffold of claim 1, wherein: one end of a pin shaft (4) connected between the first short-side support frame and the second long-side support frame is fixedly connected with a first locking plate (26), a first locking hole is formed in the first locking plate (26), a first long-side upper cross beam (7) on the first long-side support frame is vertically connected with a first locking bolt (27), the first locking bolt (27) is connected with a first locking nut (28), the first locking bolt (27) can extend into the first locking hole of the first locking plate (26) and lock the first locking bolt (27) and the first locking plate (26) through the first locking nut (28), one end of the pin shaft (4) connected between the second short-side support frame and the first long-side support frame is fixedly connected with a second locking plate (29), a second locking hole is formed in the second locking plate (29), and a second locking bolt (30) is vertically connected on a second long-side cross beam (8) on the second long-side support frame, the second locking bolt (30) is connected with a second locking nut (31), and the second locking bolt (30) can extend into a second locking hole of the second locking plate (29) and lock the second locking bolt (30) and the second locking plate (29) through the second locking nut (31).