CN211169743U

CN211169743U - Building outer wall protection scaffold lift

Info

Publication number: CN211169743U
Application number: CN201921647488.1U
Authority: CN
Inventors: 黄开友
Original assignee: Shaanxi Kaiyou Industry Co ltd
Current assignee: Shaanxi Kaiyou Industry Co ltd
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2020-08-04
Anticipated expiration: 2029-09-29

Abstract

The utility model provides a building outer wall protection scaffold lifter, which comprises a wall-attached support, a guide mechanism, a track and a lifting mechanism; the guide mechanism is arranged at the end part of the wall-attached support; the guide mechanism is slidably connected with the rail groove so that the rail can slide along the vertical direction relative to the wall-attached support; the lifting mechanism is used for driving the rail and the protective scaffold to ascend or descend along the vertical direction. Because the track is barrel mechanism, has better structural strength and stability, and guiding mechanism installs inside orbital barrel structure, and the track can not take place the accident that guiding mechanism and track break away from with the ascending or descending in-process of protection scaffold. The problem of among the prior art protection scaffold frame elevating system's track make anti-tilt mechanism's leading wheel break away from the track easily and take place serious incident when taking place to warp is solved.

Description

Building outer wall protection scaffold lift

Technical Field

The utility model relates to a building construction equipment field particularly, relates to a building outer wall protection scaffold frame lift.

Background

At present, when high-rise and ultra-high-rise buildings are constructed, building protection scaffolds are required to be used, and the safety requirement is high. In order to match the construction progress of the building, the building outer wall protection scaffold needs to ascend or descend along with the building outer wall. Therefore, the existing building outer wall protection scaffold is provided with a corresponding lifting mechanism so as to ensure that the protection scaffold ascends or descends along with the building outer wall. However, the rails of the existing lifting mechanism for the protective scaffold are generally formed by welding a plurality of steel pipe crosspiece rods and two channel steels, and the guide wheels of the anti-tilting mechanism on the wall-attached support are clamped into the clamping grooves of the two channel steels, so that the rails ascend or descend along the wall-attached support.

However, in the lifting mechanism, the anti-tilting mechanism is clamped into the clamping grooves of the two channel steels of the track from the outer side, and if the channel steels of the track deform, the guide wheels of the anti-tilting mechanism are easy to separate from the track, so that serious safety accidents occur.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a scaffold lift for protecting building exterior wall to at least solve the problem that the guide wheel of the scaffold lift for protecting mechanism is easy to break away from the rail and serious accident occurs when the rail of the scaffold lift for protecting mechanism is deformed.

In order to realize the above purpose, the utility model provides a building outer wall protection scaffold frame lift, include: the wall-attached support is used for being installed on the outer wall of the building; the guide mechanism is arranged at the end part of the wall-attached support; the guide mechanism is connected with the track groove in a sliding manner so that the track can slide along the vertical direction relative to the wall-attached support; and the lifting mechanism is correspondingly connected with the wall-attached support and the rail or the protective scaffold and is used for driving the rail and the protective scaffold to ascend or descend along the vertical direction.

Further, the wall attachment support includes: the base is used for being installed on an outer wall of a building; the connecting block is detachably arranged at the end part of the base; wherein, guiding mechanism sets up on the connecting block, and the connecting block is inside so that guiding mechanism and track groove slidable connection are stretched into to barrel structure at least partly.

Further, the track groove is two, and two track grooves are parallel to each other and the interval sets up in the inside of tube structure, and guiding mechanism includes: the two guide wheels are rotatably arranged on two sides of the connecting block; the two guide wheels are correspondingly and slidably clamped in the two rail grooves so that the rails can slide along the vertical direction relative to the wall-attached support.

Further, the track comprises: a first side plate; the two second side plates are arranged, and the first side edges of the two second side plates are correspondingly and vertically connected with the two side edges of the first side plate; the two first track plates are correspondingly and vertically connected with the first side edges of the two first track plates and the second side edges of the two second side plates; the two second track plates are arranged, the first side edges of the two second track plates are correspondingly and vertically connected with the second side edges of the two first track plates, and the second side edges of the two second track plates are free edges; the first side plate, the two second side plates, the two first track plates and the two second track plates are integrally enclosed to form a cylinder structure; a strip-shaped space between the two second track plates forms a guide groove, and at least part of the connecting block extends into the cylinder structure through the guide groove; the strip-shaped space among the second side plate, the first track plate and the second track plate forms a track groove.

Further, building outer wall protection scaffold frame lift still includes: the top support is arranged on the connecting block; the first side plate is provided with a plurality of limiting holes, and the plurality of limiting holes are arranged at intervals along the extending direction of the first side plate; the shore is used for blocking in one of the spacing holes when the protection scaffold ascends to the preset height along the vertical direction so as to limit the protection scaffold at the preset height.

Further, the top stay includes: the bottom end of the supporting rod is hinged with the connecting block through a connecting pin shaft; wherein, "V" shape draw-in groove has been seted up on the bracing piece top, and when protection scaffold frame along attaching the wall support to rise to predetermineeing the height, the bracing piece rotates preset angle so that the last hole limit in order to will protect scaffold frame spacing in the height of predetermineeing of corresponding one is gone into to "V" shape draw-in groove card.

Further, building outer wall protection scaffold frame lift still includes: the anti-falling mechanism is arranged on the connecting block; the anti-falling mechanism is used for being clamped in one limiting hole when the protective scaffold falls down so as to prevent the protective scaffold from falling down.

Further, the anti-falling mechanism comprises: the fixed seat is arranged on the connecting block; the anti-falling block is rotatably arranged on the fixed seat through a connecting pin shaft; the shifting plate is rotatably arranged on the fixed seat through a connecting pin shaft and coaxially rotates with the anti-falling block; when the shifting plate rotates around the first rotating direction, the anti-falling block keeps static; when the shifting plate rotates around the second rotating direction, the anti-falling block is driven to rotate around the second rotating direction, so that the anti-falling block is clamped into a corresponding limiting hole to prevent the protective scaffold from falling; when the rail moves upwards along the vertical direction, each limiting hole drives the shifting plate to rotate around the first rotating direction; when the track descends at a speed higher than the preset speed, one of the limiting holes drives the shifting plate to rotate around the second rotating direction so as to drive the anti-falling block to rotate around the second rotating direction so as to be clamped into the corresponding limiting hole.

Furthermore, the wall attaching supports and the guide mechanisms are multiple, the multiple wall attaching supports are used for being installed on the building outer wall at intervals along the vertical direction, and the multiple guide mechanisms are correspondingly arranged on the multiple wall attaching supports; the end parts of the wall attaching supports all extend into the cylinder structure so that the guide mechanisms are connected with the rail grooves in a sliding mode, and the rail can slide along the vertical direction relative to the wall attaching supports.

Further, orbital bottom is provided with the chain guide running roller, and hoist mechanism includes: the electric hoist is arranged at the top end of the track or the protective scaffold; and one end of the guide chain is wound on a driving wheel of the electric hoist, and the other end of the guide chain is wound on the guide chain roller and extends to an attached wall support opposite to the protection scaffold and is connected with the attached wall support so as to integrally lift or descend the protection scaffold by the guide chain pulling track when the electric hoist works.

The building outer wall protection scaffold elevator applying the technical scheme of the utility model comprises a wall-attached support, a guide mechanism, a track and a lifting mechanism, wherein the wall-attached support is used for being installed on the building outer wall; the guide mechanism is arranged at the end part of the wall-attached support; the rail is used for being fixedly connected with the protective scaffold, the rail is of a cylindrical structure, a rail groove matched with the guide mechanism is formed in the cylindrical structure, and the end part of the wall-attached support extends into the cylindrical structure so that the guide mechanism is slidably connected with the rail groove and the rail can slide along the vertical direction relative to the wall-attached support; the lifting mechanism is correspondingly connected with the wall-attached support and the rail or the protective scaffold, and is used for driving the rail and the protective scaffold to ascend or descend along the vertical direction. Because the track is tubular structure, has better structural strength and stability, attaches the guiding mechanism of wall support simultaneously and installs inside orbital tubular structure, rises or descends the in-process along vertical direction at hoist mechanism drive track and protection scaffold, can not take place the accident that guiding mechanism and track break away from, guarantees protection scaffold operation safety. The problem of among the prior art protection scaffold frame elevating system's track make anti-tilt mechanism's leading wheel break away from the track easily and take place serious incident when taking place to warp is solved.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic perspective view of an optional scaffold lift for protecting a building outer wall according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an optional wall-attached support of the scaffold lift for protecting the external wall of the building according to an embodiment of the present invention;

fig. 3 is a partial schematic structural view of a main frame of an optional building outer wall protection scaffold lift according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a rail of an optional building outer wall protection scaffold lift according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a lifting mechanism of an optional building outer wall protective scaffold lift according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of an optional connecting frame of the building outer wall protection scaffold lift according to an embodiment of the present invention; and

fig. 7 is a schematic structural diagram of an optional roller mounting rack of the scaffold lift for protecting the outer wall of a building according to an embodiment of the present invention.

Wherein the figures include the following reference numerals:

10. a wall-attached support; 11. a base; 12. connecting blocks; 13. positioning a plate; 20. a guide mechanism; 21. a guide wheel; 30. a track; 31. a track groove; 32. a guide groove; 33. a first side plate; 331. a limiting hole; 34. a second side plate; 35. a first track plate; 36. a second track plate; 40. protecting the scaffold; 41. a bottom truss; 42. a main frame; 421. erecting a beam; 422. a connecting frame; 423. a cross bar; 424. a diagonal bar; 425. a first connecting member; 426. a second connecting member; 427. a third connecting member; 50. A lifting mechanism; 51. an electric hoist; 52. guiding a chain; 521. a first chain; 522. a pulley mechanism; 523. a second chain; 60. Supporting; 61. a support bar; 62. a V-shaped clamping groove; 70. an anti-falling mechanism; 71. a fixed seat; 72. an anti-falling block; 73. dialing a plate; 80. a chain guide roller; 90. and a roller mounting frame.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

According to the embodiment of the utility model, as shown in fig. 1 to 5, the scaffold lift for protecting the outer wall of the building comprises a wall-attached support 10, a guide mechanism 20, a track 30 and a lifting mechanism 50, wherein the wall-attached support 10 is used for being installed on the outer wall of the building; the guide mechanism 20 is arranged at the end part of the wall-attached support 10; the rail 30 is used for being fixedly connected with the protective scaffold 40, the rail 30 is of a cylindrical structure, a rail groove 31 matched with the guide mechanism 20 is arranged inside the cylindrical structure, and the end part of the wall-attached support 10 extends into the cylindrical structure so that the guide mechanism 20 can be slidably connected with the rail groove 31 and the rail 30 can slide in the vertical direction relative to the wall-attached support 10; the lifting mechanism 50 is connected to the wall attachment support 10 and the rail 30 or the protective scaffolding 40, and the lifting mechanism 50 is used to drive the rail 30 and the protective scaffolding 40 to ascend or descend in the vertical direction. Because the rail 30 is a cylindrical structure, the rail has better structural strength and stability, and meanwhile, the guide mechanism 20 of the wall-attached support 10 is installed inside the cylindrical structure of the rail 30, so that when the lifting mechanism 50 drives the rail 30 and the protective scaffold 40 to ascend or descend along the vertical direction, the accident that the guide mechanism 20 is separated from the rail 30 cannot happen, and the operation safety of the protective scaffold 40 is ensured. The problem of among the prior art protection scaffold frame elevating system's track 30 make anti-tilt mechanism's leading wheel break away from the track and take place serious incident easily when taking place to warp is solved.

In specific implementation, as shown in fig. 1 and 5, a plurality of wall-attached supports 10 and a plurality of guide mechanisms 20 are provided, the plurality of wall-attached supports 10 are used for being installed on the building outer wall at intervals along the vertical direction, and the plurality of guide mechanisms 20 are correspondingly arranged on the plurality of wall-attached supports 10; wherein, the ends of the plurality of wall attaching supports 10 all extend into the interior of the cylindrical structure so that the plurality of guide mechanisms 20 are slidably connected with the rail grooves 31 to enable the rails 30 to slide in the vertical direction relative to the wall attaching supports 10.

Specifically, as shown in fig. 2, the wall-attached support 10 includes a base 11 and a connecting block 12, wherein the base 11 is used for being mounted on an external wall of a building; the base 11 is provided with two vertically arranged and opposite positioning plates 13, and a certain gap is formed between the two positioning plates 13; the connecting block 12 is a rectangular block, and the connecting block 12 is located between the ends of the two positioning plates 13 and is detachably connected with the two positioning plates 13 through two connecting pins.

The guide mechanism 20 is arranged on the connecting block 12, and at least part of the connecting block 12 extends into the cylinder structure so that the guide mechanism 20 is connected with the track groove 31 in a sliding manner; the guide mechanism 20 comprises two guide wheels 21, the two guide wheels 21 are rotatably arranged on the connecting block 12 through connecting pin shafts and located on two sides of the connecting block 12, the two track grooves 31 inside the cylindrical structure of the track 30 are parallel to each other and are arranged inside the cylindrical structure at intervals, and the two guide wheels 21 are correspondingly and slidably clamped in the two track grooves 31 so that the track 30 can slide along the vertical direction relative to the wall-attached support 10.

Specifically, as shown in fig. 4, the rail 30 includes a first side plate 33, a second side plate 34, a first rail plate 35, and a second rail plate 36; the first side plate 33, the second side plate 34, the first track plate 35 and the second track plate 36 are strip-shaped plate bodies, the second side plate 34, the first track plate 35 and the second track plate 36 are two, and the first side edges of the two second side plates 34 are correspondingly and vertically connected with the two side edges of the first side plate 33; the first side edges of the two first track plates 35 are correspondingly and vertically connected with the second side edges of the two second side plates 34; the first side edges of the two second track plates 36 are correspondingly and vertically connected with the second side edges of the two first track plates 35, and the second side edges of the two second track plates 36 are free edges; thereby integrally enclosing the rail 30 of the cylinder structure; the strip-shaped space between the second side plate 34, the first track plate 35 and the second track plate 36 on each side forms a track groove 31, so that two parallel track grooves 31 are formed, the strip-shaped space between the two second track plates 36 forms a guide groove 32, the guide groove 32 is located between the two track grooves 31, at least part of the connecting block 12 extends into the inside of the cylinder structure through the guide groove 32, so that the two guide wheels 21 are correspondingly and slidably clamped in the two track grooves 31, and therefore the track 30 can slide in the vertical direction relative to the wall-attached support 10.

The protection scaffold 40 is required to be fixed after rising to a corresponding height along with the building outer wall, and further, as shown in fig. 2 to 4, the building outer wall protection scaffold lift further includes a plurality of top struts 60, the plurality of top struts 60 are correspondingly arranged on the connecting blocks 12 of the plurality of wall-attached supports 10. Specifically, the top brace 60 on each wall-attached support 10 includes a support rod 61, the bottom end of the support rod 61 is hinged to the connecting block 12 through a connecting pin shaft, the top end of the support rod 61 is provided with a V-shaped clamping groove 62, the first side plate 33 of the track 30 is provided with a limiting hole 331, optionally, the limiting hole 331 is a square hole, the limiting holes 331 are multiple, the multiple limiting holes 331 are arranged at intervals along the extending direction of the first side plate 33, and the intervals between two adjacent limiting holes 331 are equal; when the protection scaffold 40 ascends to a preset height along the wall-attached support 10, the support rods 61 of the respective top braces 60 are manually rotated by a preset angle so that the V-shaped clamping grooves 62 at the tops of the support rods 61 are clamped into the upper hole edges of the corresponding one of the limiting holes 331, thereby fixing the rail 30 and the protection scaffold 40 to limit the protection scaffold 40 at the preset height.

In order to prevent the protection scaffold 40 from accidentally falling, as shown in fig. 2 to 4, the building outer wall protection scaffold lift further comprises a plurality of anti-falling mechanisms 70, wherein the plurality of anti-falling mechanisms 70 are correspondingly arranged on the connecting blocks 12 of the plurality of wall-attached supports 10. Specifically, the anti-falling mechanism 70 on each wall-attached support 10 comprises a fixed seat 71, an anti-falling block 72 and a shifting plate 73, the fixed seat 71 is fixedly connected to the lower end of the connecting block 12, the fixed seat 71 comprises two side plates and a bottom plate, the upper ends of the two side plates are correspondingly welded to the two sides of the bottom end of the connecting block 12, and the bottom plate is welded to the bottom ends of the two side plates; a space for accommodating the anti-falling block 72 and the shifting plate 73 is formed between the two side plates and the bottom plate, and the anti-falling block 72 is rotatably connected to the two side plates through a connecting pin shaft; the shifting plate 73 is rotatably connected to the two side plates through the same connecting pin shaft and coaxially rotates with the anti-falling block 72; the front ends of the anti-falling block 72 and the shifting plate 73 are both in a wedge-shaped structure; when the rail 30 moves upward along the vertical direction, each of the limiting holes 331 sequentially drives the shifting plate 73 to rotate by a certain angle around a first rotating direction, wherein the first rotating direction is a direction in which the front end of the shifting plate 73 rotates upward when the shifting plate is located in an initial state; when the shifting plate 73 rotates around the first rotating direction, the anti-falling block 72 keeps static and cannot influence the rising of the track 30; when the track 30 descends at a speed higher than the preset speed, one of the limiting holes 331 drives the shifting plate 73 to rotate around the second rotating direction, the second rotating direction is the direction in which the shifting plate 73 is located and the front end of the shifting plate 73 rotates downwards in the initial state, the shifting plate 73 rotates around the second rotating direction to drive the falling prevention block 72 to rotate around the second rotating direction, so that the front end of the falling prevention block 72 is clamped into the corresponding limiting hole 331, and the rear end of the falling prevention block 72 is clamped on the bottom surface of the connecting block 12, so that the track 30 is clamped, and the falling of the protection scaffold 40 is prevented.

As shown in fig. 1 and 5, the protective scaffold 40 includes a bottom truss 41 and a main frame 42, the bottom truss 41 is horizontally disposed, the main frame 42 is vertically disposed, the main frame 42 is plural, the main frames 42 are disposed along the lateral direction of the outer wall of the building at intervals, and the bottom end of the main frame 42 is connected to the bottom truss 41. The main frame 42 includes a vertical beam 421 and a plurality of connecting frames 422, and the vertical beam 421 is connected to the rail 30 through the plurality of connecting frames 422 to form the main frame 42. As shown in fig. 6, the connection frame 422 includes a cross bar 423, an inclined bar 424, a first connection member 425, a second connection member 426 and a third connection member 427, the first connection member 425 is square steel, the first end of the cross bar 423 and the first end of the inclined bar 424 are both welded to the first connection member 425, the second connection member 426 is welded to the second end of the cross bar 423, the third connection member 427 is welded to the second end of the inclined bar 424, the first connection member 425 is connected to the vertical beam 421 through a bolt, the second connection member 426 and the third connection member 427 both have a slot structure, and the second connection member 426 and the third connection member 427 are respectively clamped to the rail 30 through the slot structure and are connected to the rail 30 through a bolt.

Further, as shown in fig. 5, the lifting mechanism 50 includes an electric hoist 51 and a guide chain 52, the electric hoist 51 is mounted on the top end of the rail 30 or the protective scaffold 40 in a suspended manner; the guide chain 52 comprises a first chain 521, a pulley mechanism 522 and a second chain 523, the first chain 521 is wound on a driving wheel of the electric hoist 51 and the pulley mechanism 522 to drive the pulley mechanism 522 to ascend or descend, a connecting hook is arranged at the lower end of the pulley mechanism 522, one end of the second chain 523 is connected with the connecting hook at the lower end of the pulley mechanism 522, a guide chain roller 80 is arranged at the bottom end of the track 30, as shown in fig. 7, the guide chain roller 80 is freely rotatably installed on a roller installation frame 90 through a connecting pin shaft, the roller installation frame 90 is of an inverted 'T' -shaped structure, and the roller installation frame 90 is connected between the bottom end of the track 30 and the bottom truss 41 of the protective scaffold 40 through a plurality of connecting bolts; the other end of the second chain 523 is wound around the chain guide roller 80 and extends to one of the wall-attached supports 10 opposite to the protection scaffold 40 and is connected with the wall-attached support 10, when the electric hoist 51 works, the pulley mechanism 522 is pulled to ascend or descend through the first chain 521, and the pulley mechanism 522 ascends or descends to enable the rail 30 and the protection scaffold 40 to ascend or descend integrally through the action of the second chain 523 and the chain guide roller 80.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a building outer wall protection scaffold frame lift which characterized in that includes:

the wall-attached support (10), the wall-attached support (10) is used for being installed on the outer wall of the building;

the guide mechanism (20) is arranged at the end part of the wall-attached support (10);

the rail (30) is used for being fixedly connected with a protective scaffold (40), the rail (30) is of a cylindrical structure, a rail groove (31) matched with the guide mechanism (20) is formed in the cylindrical structure, and the end part of the wall-attached support (10) extends into the cylindrical structure so that the guide mechanism (20) is slidably connected with the rail groove (31) and the rail (30) can slide in the vertical direction relative to the wall-attached support (10);

and the lifting mechanism (50) is correspondingly connected with the wall-attached support (10) and the rail (30) or the protective scaffold (40), and the lifting mechanism (50) is used for driving the rail (30) and the protective scaffold (40) to ascend or descend along the vertical direction.

2. The building exterior wall protection scaffold lift of claim 1, wherein the wall attachment support (10) comprises:

the base (11), the said base (11) is used for installing on the outer wall of the building;

the connecting block (12) is detachably arranged at the end part of the base (11);

wherein the guide mechanism (20) is arranged on the connecting block (12), and at least part of the connecting block (12) extends into the cylinder structure so that the guide mechanism (20) is connected with the track groove (31) in a sliding way.

3. The building exterior wall protection scaffold elevator according to claim 2, wherein the track groove (31) is two, the two track grooves (31) are parallel to each other and spaced apart from each other and are disposed inside the cylindrical structure, and the guiding mechanism (20) comprises:

the number of the guide wheels (21) is two, and the two guide wheels (21) are rotatably arranged on two sides of the connecting block (12);

the two guide wheels (21) are correspondingly and slidably clamped in the two rail grooves (31) so that the rail (30) can slide in the vertical direction relative to the wall-attached support (10).

4. The building exterior wall protection scaffold lift of claim 3, wherein the rail (30) comprises:

a first side plate (33);

the number of the second side plates (34) is two, and the first side edges of the two second side plates (34) are correspondingly and vertically connected with the two side edges of the first side plate (33);

the two first track plates (35) are provided, and the first side edges of the two first track plates (35) are correspondingly and vertically connected with the second side edges of the two second side plates (34);

the two second track plates (36), the first side edges of the two second track plates (36) are correspondingly and vertically connected with the second side edges of the two first track plates (35), and the second side edges of the two second track plates (36) are free edges;

the first side plate (33), the two second side plates (34), the two first track plates (35) and the two second track plates (36) are integrally enclosed to form the cylindrical structure;

a guide groove (32) is formed in a strip-shaped space between the two second track plates (36), and at least part of the connecting block (12) extends into the cylindrical structure through the guide groove (32);

the rail groove (31) is formed by a bar-shaped space between the second side plate (34), the first rail plate (35), and the second rail plate (36).

5. The building exterior wall protection scaffold lift of claim 4, further comprising:

the top support (60) is arranged on the connecting block (12);

the first side plate (33) is provided with a plurality of limiting holes (331), the plurality of limiting holes (331) are arranged at intervals along the extending direction of the first side plate (33); the top support (60) is used for being clamped in one of the limiting holes (331) when the protective scaffold (40) rises to a preset height along the vertical direction so as to limit the protective scaffold (40) at the preset height.

6. The building exterior wall protection scaffold lift of claim 5, wherein the top brace (60) comprises:

the bottom end of the supporting rod (61) is hinged with the connecting block (12) through a connecting pin shaft;

the protection scaffold is characterized in that a V-shaped clamping groove (62) is formed in the top end of the supporting rod (61), the protection scaffold (40) is arranged along the wall-attached support (10) and ascends to a preset height, the supporting rod (61) rotates by a preset angle to enable the V-shaped clamping groove (62) to be clamped into a corresponding hole in the limiting hole (331), and the protection scaffold (40) is limited at the preset height.

7. The building exterior wall protection scaffold lift of claim 5, further comprising:

the anti-falling mechanism (70) is arranged on the connecting block (12);

the anti-falling mechanism (70) is used for being clamped in one of the limiting holes (331) when the protective scaffold (40) falls down so as to prevent the protective scaffold (40) from falling down.

8. The building exterior wall protection scaffold lift of claim 7, wherein the fall arrest mechanism (70) comprises:

the fixing seat (71) is arranged on the connecting block (12);

the anti-falling block (72) is rotatably arranged on the fixed seat (71) through a connecting pin shaft;

the shifting plate (73) is rotatably arranged on the fixed seat (71) through the connecting pin shaft and coaxially rotates with the anti-falling block (72);

wherein the anti-drop block (72) remains stationary when the dial plate (73) rotates in a first rotational direction; when the shifting plate (73) rotates around a second rotating direction, the anti-falling block (72) is driven to rotate around the second rotating direction, so that the anti-falling block (72) is clamped into the corresponding limiting hole (331) to prevent the protective scaffold (40) from falling;

when the rail (30) moves upwards along the vertical direction, each limiting hole (331) drives the shifting plate (73) to rotate around the first rotating direction; when the track (30) descends at a speed higher than a preset speed, one of the limiting holes (331) drives the shifting plate (73) to rotate around a second rotating direction so as to drive the anti-falling block (72) to rotate around the second rotating direction so as to be clamped into the corresponding limiting hole (331).

9. The building outer wall protection scaffold elevator is characterized in that the number of the wall-attached supports (10) and the number of the guide mechanisms (20) are multiple, the multiple wall-attached supports (10) are used for being installed on a building outer wall at intervals along the vertical direction, and the multiple guide mechanisms (20) are correspondingly arranged on the multiple wall-attached supports (10);

the end parts of the wall-attached supports (10) extend into the cylindrical structure, so that the guide mechanisms (20) are slidably connected with the rail grooves (31) to enable the rails (30) to slide in the vertical direction relative to the wall-attached supports (10).

10. The scaffold lift for protecting building exterior walls according to claim 9, wherein a chain guide roller (80) is provided at a bottom end of the rail (30), and the lifting mechanism (50) comprises:

the electric hoist (51) is arranged at the top end of the track (30) or the protective scaffold (40);

one end of the guide chain (52) is wound on a driving wheel of the electric hoist (51), and the other end of the guide chain (52) is wound on the guide chain roller (80) and extends to one of the wall-attached supports (10) opposite to the protection scaffold (40) and is connected with the wall-attached support (10) so as to pull the rail (30) to ascend or descend integrally with the protection scaffold (40) through the guide chain (52) when the electric hoist (51) works.