CN213837676U - Wall-attached support and guide rail anti-falling system comprising wall-attached support - Google Patents

Abstract

The utility model relates to a wall-attached support, which comprises a hollow support main body, an anti-falling part accommodated in the support main body and a supporting device fixed on the upper part of the support main body; the upper side and the lower side of the side wall of the support main body facing the guide rail are respectively provided with a first long guide wheel and a second long guide wheel. The utility model discloses still relate to a guide rail anti-falling system including attaching the wall support. The utility model discloses a pressure of guide rail is born to first long leading wheel and the long leading wheel of second, prevents the sliding friction between the lateral wall towards the guide rail of guide rail and support main part to reduce the ascending resistance or the decline of guide rail, improve the life-span of guide rail.

Description

Wall-attached support and guide rail anti-falling system comprising wall-attached support

Technical Field

The utility model relates to a building construction equipment technical field, more specifically say, relate to an attach wall support and including attaching the guide rail anti-falling system of wall support.

Background

The lifting scaffold is mainly used for high-rise buildings, can ascend or descend along the buildings, changes suspended operation into operation inside a frame body, is not limited by the height of the buildings, saves manpower and materials, and has great development advantages in the high-rise buildings.

The lifting scaffold is connected with the outer wall of the building through a wall-attached support and ascends by taking an electric hoist as power. The wall-attached support is a main load-bearing force-transmitting component of the lifting scaffold, bears and transmits the load of the lifting scaffold, and simultaneously realizes the blocking protection function under the condition of accidental falling through the anti-falling device arranged in the wall-attached support, so that the wall-attached support plays roles in bearing, preventing falling and preventing overturning and is an important safety facility of the lifting scaffold.

When a guide rail of a lifting scaffold climbs or descends, an overturn-preventing part of the existing wall-attached support is in direct contact with the guide rail, so that great friction is generated, an electric hoist is easily overloaded, the guide rail is easily scratched and damaged, and the service life of the guide rail is shortened.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, provide one kind can reduce the guide rail and attach the friction between the wall support, reduce climbing and the decline resistance of guide rail to prolong the life of guide rail attach the wall support.

The utility model provides a technical scheme that its technical problem adopted is: constructing a wall-attached support, which comprises a hollow support main body, an anti-falling part accommodated in the support main body and a supporting and jacking device fixed at the upper part of the support main body; the upper side and the lower side of the side wall of the support main body facing the guide rail are respectively provided with a first long guide wheel and a second long guide wheel.

In the wall-attached support of the present invention, the length of the first long guide wheel and the second long guide wheel is equal to the length of the side wall and is connected to the support main body in a rolling manner.

Attach the wall support in, the left and right sides of lateral wall sets up first leading wheel and second leading wheel respectively relatively.

In the wall-attached support of the utility model, the left and right sides of the side wall are respectively provided with a first L-shaped mounting plate and a second L-shaped mounting plate; the first side of first L shape mounting panel is fixed on the lateral wall, the second side is followed the lateral wall upwards extends, at least one first leading wheel sets up along the vertical direction level first L shape mounting panel on the second side, the first side of second L shape mounting panel is fixed on the lateral wall, the second side is followed the lateral wall upwards extends, at least one the second leading wheel is in along the vertical direction level setting the second L shape mounting panel on the second side.

Attach the wall support in, prevent weighing down the part and further prevent weighing down the star gear, prevent weighing down balance staff and spacer pin, prevent weighing down the balance staff and be located prevent weighing down the star gear upside, the spacer pin is located prevent weighing down the balance staff with prevent weighing down the homonymy of star gear.

In the wall-attached support of the utility model, the anti-falling star wheel comprises a star wheel rotating shaft and a plurality of spaced wheel teeth rotating around the star wheel rotating shaft; prevent weighing down the balance staff and include counter weight portion, prevent weighing down portion and balance staff pivot, counter weight portion with prevent weighing down the portion centers on balance staff pivot luffing motion, the spacer pin is located balance staff pivot top and its height slightly are less than the height of balance staff pivot.

In the wall-attached support of the present invention, the weight portion and the anti-falling portion are disposed at an obtuse angle.

The utility model also relates to a guide rail anti-falling system, which comprises the wall-attached support and the guide rail, wherein the guide rail comprises a hollow guide rail main body, and a plurality of anti-falling holes are arranged on the hollow guide rail main body; and the inner side of the anti-falling hole is provided with an anti-falling surface which is in contact with the anti-falling component.

In the guide rail anti-falling system of the utility model, a first guide wheel groove and a second guide wheel groove are symmetrically arranged on the left side wall and the right side wall of the hollow guide rail main body; the first guide wheel groove comprises a first guide wheel groove bottom wall formed by extending outwards from the bottom wall of the hollow guide rail main body, a first outer side wall formed by extending upwards from the first guide wheel groove bottom wall and a first inner side wall formed by the left side wall of the hollow guide rail main body; the second guide wheel groove comprises a second guide wheel groove bottom wall formed by extending outwards from the bottom wall of the hollow guide rail main body, a second outer side wall formed by extending upwards from the second guide wheel groove bottom wall and a second inner side wall formed by the right side wall of the hollow guide rail main body.

In the rail anti-falling system of the present invention, the outer walls of the first outer sidewall and the second outer sidewall extend vertically upward, and the inner walls extend upward and outward in an inclined manner, so that the thicknesses of the first outer sidewall and the second outer sidewall increase downward from the top thereof; and the inner walls of the first inner side wall and the second inner side wall are respectively provided with a bulge.

Implement the utility model discloses an attach wall support and including the guide rail anti-falling system who attaches the wall support, bear the pressure of guide rail through the long leading wheel of first long leading wheel and second, prevent the sliding friction between the lateral wall towards the guide rail of guide rail and support main part to reduce the resistance that the guide rail rises or descends, improve the life-span of guide rail. Further, by providing the first guide wheel and the second guide wheel, the friction force received by the guide rail can be further reduced and the overturning effect can be prevented. Furthermore, through the special structural arrangement of the anti-falling star wheel and the anti-falling swing needle, the anti-falling star wheel can be prevented from being clamped, so that the safety of the lifting scaffold is better ensured.

Drawings

The invention will be further explained with reference to the drawings and examples, wherein:

FIG. 1 is a perspective view of a first preferred embodiment of the wall attachment bracket of the present invention;

FIG. 2 is a perspective view of the wall attachment bracket shown in FIG. 1;

FIG. 3A is a front view of the wall attachment bracket shown in FIG. 1;

FIG. 3B is a rear view of the wall attachment bracket shown in FIG. 1;

FIG. 3C is a top view of the wall attachment bracket shown in FIG. 1;

FIG. 3D is a bottom view of the wall attachment bracket shown in FIG. 1;

FIG. 4 is a cross-sectional view of a first preferred embodiment of the guideway fall arrest system of the present invention;

FIGS. 5A-5D show schematic views of the operation of the fall arrest member with the guide rail moved upwardly;

FIGS. 6A-6D show schematic views of the operation of the fall arrest member with the guide rail moved downwardly;

FIGS. 7A-7C show schematic views of the operation of the fall arrest member with the guide rail rapidly descending;

fig. 8 is a schematic structural view of a guide rail according to a preferred embodiment of the present invention;

fig. 9 is a schematic structural view of a guide rail according to a preferred embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The utility model relates to a wall-attached support, which comprises a hollow support main body, an anti-falling part accommodated in the support main body and a supporting device fixed on the upper part of the support main body; the upper side and the lower side of the side wall of the support main body facing the guide rail are respectively provided with a first long guide wheel and a second long guide wheel. The first long guide wheel and the second long guide wheel bear the pressure of the guide rail, so that sliding friction between the guide rail and the side wall of the support main body facing the guide rail is prevented, the ascending or descending resistance of the guide rail is reduced, and the service life of the guide rail is prolonged.

Fig. 1 is a perspective view of a first preferred embodiment of the wall attachment bracket of the present invention. Fig. 2 is a perspective view of the wall attachment bracket shown in fig. 1. Fig. 3A-3D are front, rear, top, and bottom views, respectively, of the wall attachment stand 100 shown in fig. 1. As shown in fig. 1 to 3D, the wall attachment support 100 includes a hollow support body 110, a fall arrest member 170 received in the support body 110, and a support 120 fixed to an upper portion of the support body 110. The holder main body 110 is provided with a first long guide wheel 130 and a second long guide wheel 140 on upper and lower sides of the sidewall 111 facing the guide rail, respectively. The first and second long guide wheels 130 and 140 have a length equal to that of the side wall 111 and are integrally roll-coupled with the stand main body 110. Further, a first L-shaped mounting plate 112 and a second L-shaped mounting plate 113 are respectively disposed on the left and right sides of the side wall 111. The first sides of the first L-shaped mounting plate 112 and the second L-shaped mounting plate 113 are fixed to the side wall 111 by screws, and the second sides extend upward from the side wall 111. Two of the first guide wheels 150 are horizontally disposed on the second side of the first L-shaped mounting plate 112 in the vertical direction, and two of the second guide wheels 160 are horizontally disposed on the second side of the second L-shaped mounting plate 113 in the vertical direction. Of course, in other preferred embodiments of the present invention, a plurality of first guide wheels 150 and second guide wheels 160 may be provided, or only one first guide wheel 150 and one second guide wheel 160 may be provided, as long as the two are equal in number and symmetrical to each other.

In the preferred embodiment, the first long guide wheel 130 and the second long guide wheel 140 are in rolling contact with the vertical surface of the guide rail, so that when the guide rail is in a rising or falling condition, the first long guide wheel 130 and the second long guide wheel 140 bear the pressure of the guide rail, and prevent sliding friction between the guide rail and the side wall 111 of the holder main body 110 facing the guide rail, thereby reducing resistance to rising or falling of the guide rail and improving the life of the guide rail.

Further, by arranging the first guide wheel 150 and the second guide wheel 160, when the guide rail is in a rising or falling working condition, the first guide wheel 150 and the second guide wheel 160 are in rolling contact with the guide rail to restrain the guide rail from vertically moving upwards or downwards, so that the friction force borne by the guide rail during the movement process is further reduced. Here, the first guide wheel 150 and the second guide wheel 160 may also play a role of preventing overturning. The rail overturn preventing force is transmitted to the first guide wheel 150 and the second guide wheel 160, and the first guide wheel 150 and the second guide wheel 160 transmit the overturn preventing force to the stand body 110 and the wall body.

In the preferred embodiment, the support body 110 is preferably formed by four side walls and a top plate, one side wall 116 of which facing away from the guide rail is a wall attachment back plate for fastening to a wall, and the side wall 111 of which facing the guide rail is provided for mounting the respective guide wheel and for providing a safety brake device for driving the safety brake device in rotation. While the other two side walls 117 and 118 can be used for fastening the safety brake device 170, while the roof support 120 can be fastened to the roof 119.

In the preferred embodiment of the present invention, the anti-falling component 170 comprises an anti-falling star wheel 171, an anti-falling balance pin 172 and a limit pin 173, the anti-falling balance pin 172 is located on the anti-falling star wheel 171, the limit pin 173 is located the anti-falling balance pin 172 and the anti-falling star wheel 171 are on the same side. As shown in fig. 2, the anti-drop star 171 includes a star wheel rotational axis 71 and a plurality of spaced apart gear teeth 72 that rotate about the star wheel rotational axis. Prevent weighing down balance staff 172 includes counter weight portion 73, prevents weighing down portion 74 and balance staff pivot 75, counter weight portion 73 with prevent weighing down portion 74 centers on balance staff pivot 75 luffing motion, spacer pin 173 is located balance staff pivot 75 top and its height slightly are less than balance staff pivot 75's height. The weight portion 73 and the falling preventive portion 74 are disposed at a rounded obtuse angle to each other. Preferably, as shown in fig. 2, the anti-falling star wheel 171 is a pentagon star wheel comprising five round-head gear teeth. Of course, in other preferred embodiments of the present invention, the anti-falling star wheel 171 can also include other numbers of wheel teeth. Preferably, as shown in fig. 2, the weight portion 73 has a length and a width slightly larger than those of the falling off prevention portion 74, and is a long strip. Of course, in other preferred embodiments of the present invention, other shapes can be used as long as the weight of the configuration portion 73 is greater than that of the falling-prevention portion 74, so that the whole falling-prevention member can be restored by gravity.

Through the setting of the above preferred anti-falling component, the anti-falling device for the wall-attached support has sensitive reaction, can reduce the falling event of the support body at a large rate, protects the life safety of a user, and can prevent the anti-falling star wheel 171 from being blocked through the structural setting of the special anti-falling star wheel 171 and the anti-falling swing needle 172, thereby better ensuring the safety of the lifting scaffold.

FIG. 4 is a cross-sectional view of a first preferred embodiment of the guide rail fall arrest system of the present invention. The utility model discloses a guide rail anti-falling system is applicable to lifting foot hand rack very much. As shown in FIG. 4, the track fall arrest system includes the wall attachment support 100 and the track 200 as previously described. The guide rail 200 comprises a hollow guide rail main body 210, and a plurality of anti-falling holes 211 are arranged on the hollow guide rail main body; the inner side of the anti-falling hole 211 is provided with anti-falling surfaces A and B which are in contact with the anti-falling component. Prevent weighing down part 170 including preventing weighing down star wheel 171, preventing weighing down balance staff 172 and spacer pin 173, prevent weighing down balance staff 172 and be located prevent weighing down star wheel 171 upside, spacer pin 173 is located prevent weighing down balance staff 172 with prevent weighing down star wheel 171's homonymy. The anti-drop star 171 comprises a star wheel rotation shaft 71 and a plurality of spaced apart gear teeth 72 rotating about the star wheel rotation shaft. Prevent weighing down balance staff 172 includes counter weight portion 73, prevents weighing down portion 74 and balance staff pivot 75, counter weight portion 73 with prevent weighing down portion 74 centers on balance staff pivot 75 luffing motion, spacer pin 173 is located balance staff pivot 75 top and its height slightly are less than balance staff pivot 75's height. The weight portion 73 and the falling preventive portion 74 are disposed at a rounded obtuse angle to each other.

Fig. 5A to 5D show the principle of operation of the safety brake device during upward displacement of the guide rail. FIGS. 6A-6D show schematic views of the operation of the safety brake device during downward displacement of the guide rail. Fig. 7A to 7C show a schematic representation of the operating principle of the safety brake device in the event of a rapid fall of the guide rail, the operating principle of the safety brake device being explained below with reference to fig. 5A to 7C.

When the lifting scaffold is in a static load state, the supporting device 120 plays an unloading role, the guide rail 200 transmits the load to the supporting device 120, the supporting device 120 transmits the load to the support main body 110, and the support main body 110 transmits the load to an attached building.

As shown in fig. 5A to 5D, the guide rail 200 and the wall-attached support 100 are in the initial working condition, and the gear teeth 72 of the anti-falling star wheel 171 are perpendicular to the anti-falling holes. When the guide rail 200 moves slowly upwards, the anti-falling star wheel 171 is pushed upwards by the anti-falling surface a, so that the anti-falling star wheel 171 rotates anticlockwise, and the anti-falling star wheel 171 is in sliding contact with the anti-falling swinging needle 172. When the guide rail further moves upwards slowly, after the anti-falling star wheel 171 is separated from the anti-falling balance staff 172 in a sliding way, the counterweight part 73 of the anti-falling balance staff 172 swings downwards by virtue of self gravity, so that the anti-falling balance staff 172 is restored to the initial state, and the anti-falling star wheel 171 is pushed upwards by the anti-falling surface A to restore to the initial state. The limit pin 4 clamps the anti-falling swing needle 172, and prevents the anti-falling star wheel 171 from being clamped by too large lower swing amplitude of the anti-falling swing needle 172.

As shown in fig. 6A to 6D, the guide rail 200 and the wall attachment 100 are in the initial condition, and the gear teeth 72 of the anti-falling star wheel 171 are perpendicular to the anti-falling holes. When the guide rail continues to move downwards slowly, the anti-falling surface B pushes the anti-falling star wheel 171 to rotate anticlockwise, and the anti-falling star wheel 171 is in sliding contact with the anti-falling balance needle 172. When the guide rail further moves downwards slowly, after the anti-falling star wheel 171 is in sliding contact with the anti-falling balance staff 172, the counterweight part 73 of the anti-falling balance staff 172 swings downwards by virtue of the gravity of the anti-falling balance staff 172, so that the anti-falling balance staff 172 is restored to the initial state, and the anti-falling star wheel 171 is pushed down by the anti-falling surface B to restore the initial state. The limit pin 4 clamps the anti-falling swing needle 172, and prevents the anti-falling star wheel 171 from being clamped by too large lower swing amplitude of the anti-falling swing needle 172.

As shown in fig. 7A to 7C, the guide rail 200 and the wall attachment 100 are in the initial operating condition, and the gear teeth 72 of the anti-falling star wheel 171 are perpendicular to the anti-falling holes. When the guide rail 200 rapidly falls, the falling prevention star wheel 171 is pushed downwards by the falling prevention surface A to rotate clockwise, the falling prevention swing needle 172 bears the instant impact force of the falling prevention star wheel 171, the falling prevention swing needle 172 rotates anticlockwise, the top plate 119 of the wall-attached support 100 clamps the falling prevention swing needle 172, the falling prevention swing needle 172 clamps the falling prevention star wheel 171, the falling prevention star wheel 171 clamps the falling surface of the guide rail 200, and the guide rail 200 stops falling.

Fig. 8 is a schematic structural view of a guide rail according to a preferred embodiment of the present invention. The hollow rail body 210 is provided at a front surface thereof with a plurality of falling-off preventing holes 211. The plurality of anti-falling holes 211 are arranged at equal intervals along the length direction of the hollow guide rail body 210, and each anti-falling hole 211 is quadrilateral and comprises two arc-shaped sides 254 arranged along the length direction of the hollow guide rail body 210 and two straight line sides 253 arranged along the length direction perpendicular to the hollow guide rail body 210. Preferably, the interval between the plurality of anti-falling holes 211 is 100 mm. Of course, in other preferred embodiments of the present invention, other suitable spacings may be employed, such as 90mm,210mm,150mm, etc. The setting can be carried out by the person skilled in the art according to the actual need. And anti-falling contact surfaces A and B which are in contact with the supporting and ejecting device are arranged on the inner side of the anti-falling hole 211. In the present embodiment, the curved edge 254 and the straight edge 253 form the fall arrest contact surface A or B.

Fig. 9 is a schematic structural view of a guide rail according to a preferred embodiment of the present invention. As shown, the rail includes a hollow rail body 210. The hollow guide rail body 210 has a first guide wheel groove 230 and a second guide wheel groove 220 that are arranged in mirror symmetry on the left and right sidewalls. In practical applications, the first guide wheel groove 230 and the second guide wheel groove 220 can be slidably linked with the first guide wheel 140 and the second guide wheel 150, so that the overall running direction of the guide rail 200 is restricted, thereby performing guiding and anti-overturning functions.

In the preferred embodiment shown in fig. 9, the first and second idler grooves 230 and 220 are designed in a wrap-around configuration. The first guide wheel groove 230 includes a first guide wheel groove bottom wall 236 extending outwardly from the bottom wall 222 of the hollow guide rail body, a first outer side wall 234 extending upwardly from the first guide wheel groove bottom wall 236, and a first inner side wall 235 formed by the left side wall of the hollow guide rail body 210. Likewise, the second wheel groove 220 includes a second wheel groove bottom wall 226 extending outwardly from the bottom wall of the hollow rail body, a second outer side wall 224 extending upwardly from the second wheel groove bottom wall 226, and a second inner side wall 225 formed by the right side wall of the hollow rail body 210. The outer walls of the first outer sidewall 234 and the second outer sidewall 224 extend vertically upward and the inner walls extend obliquely upward and outward such that the thickness of the first outer sidewall 234 and the second outer sidewall 224 increases downward from the top thereof. Further, protrusions are respectively provided on inner walls of the first inner sidewall 235 and the second inner sidewall 225. And the first guide wheel groove bottom wall 236, the second guide wheel groove bottom wall 226 and the bottom wall 222 of the hollow guide rail main body 210 are of an integral structure, and the thickness thereof is obviously larger than that of the upper wall, the left side wall and the right side wall of the hollow guide rail main body 210. The first outer side wall 234 and the second outer side wall 224 are also significantly thicker than the upper wall and the left and right side walls of the hollow rail body 210. This may further improve the strength.

The hollow guide rail main body 210 is a rectangular hollow structure, and the hollow guide rail main body 210, the first guide wheel groove 230 and the second guide wheel groove 220 are formed by integral extrusion of aluminum alloy materials. Like this, the light in weight of whole guide rail, easily transport to do not need the equipment welding process, consequently the power consumption is little, and atmospheric pollutants produces fewly, consequently can also reach energy-concerving and environment-protective purpose. And an aluminum alloy material with the mechanical property similar to that of the steel material is selected as the main body of the guide rail, so that the guide rail has high enough strength. The strength of the integral rail may be further enhanced by the particular thickness design of the side walls 234, 224, 225 and 235. The traditional steel guide rail is formed by welding a steel main body and other components, the welding defects and the mechanical property reduction of the welding part of a steel structure welding part affect the overall use safety performance, and the aluminum alloy guide rail is formed by one-time extrusion, so that the safety is greatly improved.

While the invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from its scope. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A wall-attached support is characterized by comprising a hollow support main body, an anti-falling component accommodated in the support main body and a supporting device fixed at the upper part of the support main body; the upper side and the lower side of the side wall of the support main body facing the guide rail are respectively provided with a first long guide wheel and a second long guide wheel.

2. A wall attachment stand according to claim 1, wherein the first and second elongate guide wheels are of equal length to the side wall and are in rolling connection with the stand body.

3. The wall attachment bracket of claim 1, wherein the left and right sides of the side wall are respectively provided with a first guide wheel and a second guide wheel which are opposite to each other.

4. The wall-attached support according to claim 3, wherein a first L-shaped mounting plate and a second L-shaped mounting plate are respectively arranged at the left side and the right side of the side wall; the first side of first L shape mounting panel is fixed on the lateral wall, the second side is followed the lateral wall upwards extends, at least one first leading wheel sets up along the vertical direction level first L shape mounting panel on the second side, the first side of second L shape mounting panel is fixed on the lateral wall, the second side is followed the lateral wall upwards extends, at least one the second leading wheel is in along the vertical direction level setting the second L shape mounting panel on the second side.

5. The wall-attached support according to any one of claims 1 to 4, wherein the anti-falling part further comprises an anti-falling star wheel, an anti-falling swing needle and a limit pin, the anti-falling swing needle is positioned on the upper side of the anti-falling star wheel, and the limit pin is positioned on the same side of the anti-falling swing needle and the anti-falling star wheel.

6. The coanda mount of claim 5, wherein the anti-drop spider comprises a spider shaft and a plurality of spaced apart cogs that rotate about the spider shaft; prevent weighing down the balance staff and include counter weight portion, prevent weighing down portion and balance staff pivot, counter weight portion with prevent weighing down the portion centers on balance staff pivot luffing motion, the spacer pin is located balance staff pivot top and its height slightly are less than the height of balance staff pivot.

7. The wall attachment bracket of claim 6 wherein the counterweight portion and the fall arrest portion are disposed at a rounded obtuse angle with respect to each other.

8. A guide rail fall arrest system comprising a wall attachable support according to any one of claims 1 to 7 and a guide rail, the guide rail comprising a hollow guide rail body having a plurality of fall arrest apertures provided therein; and the inner side of the anti-falling hole is provided with an anti-falling surface which is in contact with the anti-falling component.

9. The guide rail fall arrest system according to claim 8, wherein the hollow guide rail body has first and second guide wheel grooves on its left and right side walls arranged mirror-symmetrically; the first guide wheel groove comprises a first guide wheel groove bottom wall formed by extending outwards from the bottom wall of the hollow guide rail main body, a first outer side wall formed by extending upwards from the first guide wheel groove bottom wall and a first inner side wall formed by the left side wall of the hollow guide rail main body; the second guide wheel groove comprises a second guide wheel groove bottom wall formed by extending outwards from the bottom wall of the hollow guide rail main body, a second outer side wall formed by extending upwards from the second guide wheel groove bottom wall and a second inner side wall formed by the right side wall of the hollow guide rail main body.

10. The guideway fall arrest system of claim 9, wherein the outer walls of the first and second outer side walls extend vertically upwardly and the inner walls extend upwardly and outwardly obliquely such that the thickness of the first and second outer side walls increases downwardly from the top thereof; and the inner walls of the first inner side wall and the second inner side wall are respectively provided with a bulge.

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