CN110005184B - Anti-falling lifting scaffold - Google Patents
Anti-falling lifting scaffold Download PDFInfo
- Publication number
- CN110005184B CN110005184B CN201910354009.5A CN201910354009A CN110005184B CN 110005184 B CN110005184 B CN 110005184B CN 201910354009 A CN201910354009 A CN 201910354009A CN 110005184 B CN110005184 B CN 110005184B
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- China
- Prior art keywords
- hook
- main beam
- falling
- guide rail
- rack guide
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/001—Safety or protective measures against falling down relating to scaffoldings
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
- E04G5/046—Means for fastening, supporting, or bracing scaffolds on or against building constructions for fastening scaffoldings on walls
Abstract
The invention provides an anti-falling lifting scaffold, which comprises a box body, a main beam, a rack guide rail and a wall-attached seat, wherein the box body is fixedly connected with the main beam, the box body is connected with the rack guide rail in a sliding or rolling manner, and the main beam and the rack guide rail are arranged in parallel; the wall-attached seat is attached to a wall body and is connected with the rack guide rail in a sliding or rotating mode, a gear is arranged in the box body, the gear is connected with the main beam in a rotating mode, a first window is formed in the box body, the gear penetrates through the first window to be meshed with the rack guide rail, an anti-falling device is arranged in the box body, and the gear is limited by the anti-falling device to rotate clockwise or anticlockwise relative to the main beam. By adopting the anti-falling device, the gear is limited to rotate only in a single direction, so that the falling phenomenon caused by the reverse rotation of the gear is avoided; the anti-falling device has two working states, and can be conveniently switched between two limiting states by adjusting the position of the elastic hanging piece.
Description
Technical Field
The invention relates to the field of lifting scaffolds, in particular to an anti-falling lifting scaffold.
Background
The attached lifting scaffold equipment is a novel scaffold technology which is rapidly developed in the early century, and has important influence on the progress of construction technology in China. It becomes the low place operation with the eminence operation, becomes the inside operation of support body with unsettled operation, has apparent low carbon nature, high-tech content and characteristics such as more economic, safer, more convenient. The attached lifting scaffold is an outer scaffold which is erected at a certain height, attached to an engineering structure, can ascend or descend layer by layer along with the engineering structure by depending on self lifting equipment and devices, and is provided with an anti-overturning and anti-falling device; the attached lifting scaffold mainly comprises an attached lifting scaffold frame body structure, an attached wall supporting seat, an anti-tilting device, an anti-falling device, a lifting mechanism, a control device and the like.
The existing lifting scaffold part adopts a gear to drive a rack guide rail to lift, the gear is hinged with a main beam, and the main beam is connected with a protective beam of the lifting scaffold. Under the action of gravity, the gear can rotate reversely relative to the rack guide rail, and in order to prevent the main beam from falling, the positions of the gear and the main beam are limited.
Disclosure of Invention
In view of the above, the invention provides an anti-falling lifting scaffold which can limit the rotation direction of a gear and effectively prevent a main beam from falling.
The technical scheme of the invention is realized as follows: an anti-falling lifting scaffold comprises a box body (1), a main beam (2), a rack guide rail (3) and a wall-attached seat (4), wherein the box body (1) is fixedly connected with the main beam (2), the box body (1) is connected with the rack guide rail (3) in a sliding or rolling manner, and the main beam (2) is arranged in parallel with the rack guide rail (3); attach wall seat (4) and adhere to on the wall body and with rack guide rail (3) slip or rotate and be connected, be provided with gear (11) in box (1), gear (11) and girder (2) rotatable coupling have seted up first window (12) on box (1), gear (11) pass first window (12) and mesh with rack guide rail (3), be provided with anti-falling device (5) in box (1), anti-falling device (5) restriction gear (11) carry out clockwise or anticlockwise rotation for girder (2).
On the basis of the technical scheme, preferentially, anti-falling device (5) includes intermediate junction portion (51), two prevent weighing down tooth portion (52) and elastic element (53), intermediate junction portion (51) and box (1) rotatable coupling, intermediate junction portion (51) both ends symmetry is provided with two and prevents weighing down tooth portion (52), prevent weighing down tooth portion (52) including meshing tooth (521) and spacing tooth (522), meshing tooth (521) and gear (11) intermeshing, spacing tooth (522) addendum circle diameter is greater than meshing tooth (521) addendum circle diameter, elastic element (53) one end is connected and is prevented weighing down tooth portion (52) or intermediate junction portion (51), box (1) is connected to the other end.
Further preferably, the meshing teeth (521) and the limiting teeth (522) are located on the same root circle and are arranged adjacently.
Preferably, the box body (1) is further provided with an arc-shaped groove (13), one end of the elastic unit (53) penetrates through the arc-shaped groove (13) to be connected with the anti-falling tooth part (52) or the intermediate connecting part (51), and the other end of the elastic unit is connected with the outer surface of the box body (1).
On the basis of the technical scheme, preferably, the main beam (2) is further provided with a plurality of hooks (21) and hook adjusting devices (22), and the hook adjusting devices (22) are fixedly connected with the top of the main beam (2); one end of the hook (21) is connected with the hook adjusting device (22), the other end of the hook (21) is hung on the wall-attached base (4), the hook (21) is connected with the rack guide rail (3) in a sliding or rolling mode, the hook (21) is connected with the hook adjusting device (22) in a rolling mode, and the hook adjusting device (22) is used for adjusting the height of the hook (21).
Preferably, the hook adjusting device (22) comprises a frame body (23), a lifting screw (24), a lifting connecting block (25) and a hinge shaft (26), the frame body (23) is fixedly connected with the main beam (2), and the frame body (23) is provided with a through strip-shaped groove (231); a lifting screw rod (24) is arranged in the strip-shaped groove (231), and two ends of the lifting screw rod (24) are hinged with the frame body (23); still set up lift connecting block (25) on lifting screw (24), the both ends of lift connecting block (25) are connected with lifting screw (24) and articulated shaft (26) hinge respectively, and the both ends of articulated shaft (26) all with couple (21) fixed connection.
Further preferably, the hook (21) is further provided with a first arc-shaped sliding block (27) and two groups of first rollers (28), and the rack guide rail (3) is provided with a sliding groove (36); the first arc-shaped sliding block (27) is arranged on the inner surface of the sliding groove (36), and the first arc-shaped sliding block (27) is fixedly connected with the hook (21); guide way (232) have still been seted up to framework (23) side, first gyro wheel (28) set up respectively in guide way (232) and between rack guide (3) and framework (23), first gyro wheel (28) and guide way (232) or rack guide (3) roll connection, first gyro wheel (28) rotate with couple (21) and be connected.
Preferably, the wall attaching base (4) is provided with a shaft hole (43), a bolt (44) penetrates through the shaft hole (43), the bolt (44) is connected with the shaft hole (43) in a sliding mode, the hook (21) is hooked on the bolt (44), a handle (45) is further arranged on the bolt (44), the handle (45) is fixedly connected with the bolt (44), and one end of the bolt (44) abuts against the outer side face of the wall attaching base (4).
Still further preferred, still include guard beam (6) and bracket (7), guard beam (6) and girder (2) parallel arrangement, guard beam (6) and couple adjusting device (22) fixed connection, be provided with bracket (7) between guard beam (6) and girder (2), bracket (7) include horizontal connecting rod (71) and arc connecting rod (72), horizontal connecting rod (71) and arc connecting rod (72) tangent setting, the both ends of horizontal connecting rod (71) and arc connecting rod (72) respectively with guard beam (6) and girder (2) fixed connection.
On the basis of the technical scheme, preferably, the main beam (2) is further provided with a connecting device (8), the connecting device (8) comprises a fixing plate (81), two first connecting plates (82) and two clamping plates (83), the fixing plate (81) is fixedly connected with the main beam (2), one side of the fixing plate (81) is provided with the two first connecting plates (82) oppositely, the other side of the fixing plate (81) is provided with the two clamping plates (83) oppositely, and the surfaces of the two clamping plates (83) are attached to the main beam (2); the two first connecting plates (82) are connected with the rack guide rail (3) in a sliding or rotating mode.
Compared with the prior art, the anti-falling lifting scaffold provided by the invention has the following beneficial effects: (1) by adopting the anti-falling device, the gear is limited to rotate only clockwise or anticlockwise, so that the falling phenomenon caused by the reverse rotation of the gear is avoided;
(2) the anti-falling device has two working states, and can be conveniently switched between two limiting states by adjusting the position of the elastic unit;
(3) the hook on the main beam and the hook adjusting device can reliably transfer the load of the scaffold to the wall body, so that the positions of the hook and the main beam on the wall-attached seat are fixed, and the safety of the scaffold in use is improved;
(4) the connecting device can prevent the scaffold from inclining outwards due to lack of support between the top of the main beam and the rack guide rail;
(5) the protective beam can be combined with the main beam to form a fulcrum of the scaffold on the outer wall, so that a safe and reliable outer wall construction activity space is convenient to build.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a perspective view of an anti-fall lifting scaffold of the present invention;
FIG. 2 is a partial front sectional view of the combination state of the box body, the gear, the anti-falling device, the rack guide rail and the main beam of the anti-falling lifting scaffold;
FIG. 3 is a perspective view of the anti-falling cage, gears and anti-falling device of the anti-falling lifting scaffold in a combined state;
FIG. 4 is a front cross-sectional view of an operational state of FIG. 3;
FIG. 5 is a front cross-sectional view of the alternative operating condition of FIG. 3;
FIG. 6 is a perspective view of a rack guide of the fall arrest lifting scaffold of the present invention;
FIG. 7 is a perspective view of a hook and a hook adjustment device of the fall arrest lifting scaffold of the present invention;
FIG. 8 is a perspective view of a wall attachment base of the fall arrest lifting scaffold of the present invention;
FIG. 9 is a perspective view of the latch of the wall attachment base of the anti-fall lifting scaffold of the present invention;
FIG. 10 is a perspective view showing the connection state of the anti-falling lifting scaffold and the protective beam according to the present invention;
fig. 11 is a perspective view of a connecting device of the anti-falling lifting scaffold.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
As shown in the combined figure 1 and figures 2 and 3, the invention provides an anti-falling lifting scaffold which comprises a box body 1, a main beam 2, a rack guide rail 3, a wall-attached seat 4, an anti-falling device 5, a protective beam 6, a bracket 7 and a connecting device 8. The box body 1 is fixedly connected with the main beam 2, the box body 1 is connected with the rack guide rail 3 in a sliding or rolling manner, and the main beam 2 is arranged in parallel with the rack guide rail 3; the wall attaching seat 4 is attached to a wall body and is connected with the rack guide rail 3 in a sliding or rotating mode, a gear 11 is arranged in the box body 1, the gear 11 is rotatably connected with the main beam 2, a first window 12 is formed in the box body 1, the gear 11 penetrates through the first window 12 to be meshed with the rack guide rail 3, the anti-falling device 5 is arranged in the box body 1, and the anti-falling device 5 limits the gear 11 to rotate clockwise or anticlockwise relative to the main beam 2. The gear 11 can drive the rack guide rail 3 and the main beam 2 to move relatively, and when the rack guide rail 3 is fixed with the wall-attached seat 4, the gear 11 can drive the main beam 2 to move up and down along the rack guide rail 3; when the main beam 2 is fixed with the wall-attached seat 4, the gear 11 can drive the rack guide rail 3 to move up and down along the main beam 2. The gear 11 can be externally connected with a motor to drive forward and backward rotation, so that the lifting of the rack guide rail 3 or the main beam 2 is realized.
As shown in fig. 2 and 3, the anti-falling device 5 includes an intermediate connection portion 51, two anti-falling tooth portions 52 and an elastic unit 53, the intermediate connection portion 51 is rotatably connected with the box body 1, the two anti-falling tooth portions 52 are symmetrically arranged at two ends of the intermediate connection portion 51, each anti-falling tooth portion 52 includes a meshing tooth 521 and a limiting tooth 522, the meshing tooth 521 is meshed with the gear 11, the diameter of the addendum circle of the limiting tooth 522 is larger than that of the meshing tooth 521, one end of the elastic unit 53 is connected with the anti-falling tooth portion 52 or the intermediate connection portion 51, and the other end of the. The anti-falling tooth portion 52 of the anti-falling device 5 can limit the rotation direction of the gear 11. The meshing teeth 521 can rotate along with the gear 11, and when the gear 11 suddenly rotates in the reverse direction, the limiting teeth 522 abut against the teeth on the gear 11 to prevent the gear 11 from further rotating, so that the gear 11 is prevented from being rotated reversely under the action of gravity, and the anti-falling effect is achieved.
Further, the engaging teeth 521 and the limiting teeth 522 are located on the same root circle and are adjacent to each other. The box body 1 is further provided with an arc-shaped groove 13, one end of the elastic unit 53 penetrates through the arc-shaped groove 13 to be connected with the anti-falling tooth part 52 or the intermediate connecting part 51, and the other end of the elastic unit is connected with the outer surface of the box body 1. By shifting the elastic unit 53 to the two ends of the arc-shaped groove 13, the working state of the anti-falling device 5 can be adjusted, so that the function switching of limiting the clockwise or anticlockwise rotation of the gear 11 is performed.
As shown in fig. 4 and 5, two operating modes of the safety brake device 5 are shown. When the elastic unit 53 is located at the left end of the arc-shaped slot 13, as shown in fig. 4, the engaging tooth 521 can engage with the gear 11, the gear 11 can only rotate counterclockwise, and if the gear 11 is to rotate clockwise, the limiting tooth 522 and the elastic unit 53 will cooperate to maintain the position of the limiting tooth 522 and make the limiting tooth 522 abut against the gear 11, preventing the gear 11 from rotating clockwise. When the main beam 2 and the wall-attached seat 4 are fixed, the gear 11 drives the rack guide rail 3 to move downwards along the main beam 3 anticlockwise; when the rack guide rail 3 is fixed with the wall-attached seat 4, the gear 11 rotates anticlockwise to drive the main beam 2 to move upwards along the rack guide rail 3.
As shown in fig. 5, the elastic unit 53 is pulled and drives the anti-falling tooth portion 52 to rotate, so that when the elastic unit 53 is located at the right end portion of the arc-shaped slot 13, the engaging tooth 521 can engage with the gear 11, and the gear 11 can only rotate clockwise, which functions in a manner similar to the previous operation manner. When the main beam 2 is fixed with the wall-attached seat 4, the gear 11 drives the rack guide rail 3 clockwise to move upwards along the main beam 3; when the rack guide rail 3 is fixed with the wall-attached seat 4, the gear 11 rotates clockwise to drive the main beam 2 to move downwards along the rack guide rail 3. In the invention, the elastic unit 53 can be a return spring, and the elastic unit 53 can limit the falling prevention tooth part 52 to prevent the falling prevention tooth part from rotating randomly.
As shown in fig. 1 and fig. 6, the rack guide rail 3 includes two guide channel steels 31, a rack assembly 32, a plurality of second connecting plates 33 and two support plates 34, and two ends of the second connecting plates 33 and the two ends of the support plates 34 are respectively fixedly connected with the two guide channel steels 31; a rack placing groove 35 is formed by enclosing the two guide channel steel 31, the second connecting plate 33 and the two supporting plates 34; the rack assembly 32 is embedded in the rack placement groove 35; the guide channel 31 is provided with a chute 36.
The two ends of the rack assembly 32 can be respectively and fixedly connected with the supporting plate 34, and the bottom surface of the rack assembly 32 can be fixedly connected with the second connecting plate 33, so that each side surface and the bottom surface of the rack assembly 32 are tightly attached to the rack placing groove 35, and the stress area of the rack assembly 32 is increased. The rack assembly 32 is engaged with the gear 11. The sliding groove 36 can be used as a linear space for relative movement of the rack guide rail 3, the wall-attached seat 4 and the main beam 2, and is beneficial to improving the stability of the relative movement of the rack guide rail 3 and the main beam 2.
As shown in fig. 1 and fig. 7, the main beam 2 is further provided with a plurality of hooks 21 and a hook adjusting device 22, and the hook adjusting device 22 is fixedly connected with the top of the main beam 2; one end of a hook 21 is connected with a hook adjusting device 22, the other end of the hook 21 is hung on the wall-attached base 4, the hook 21 is connected with the rack guide rail 3 in a sliding or rolling manner, and the hook 21 is connected with the hook adjusting device 22 in a rolling manner; the hook adjusting device 22 is used for adjusting the height of the hook 21. The hook 21 is hung on the wall-attached seat 4, the position of the main beam 2 on the wall body can be fixed, and the load on the scaffold can be transferred to the wall surface through the hook 21 by adjusting the height of the hook 21. Since the gear 11 drives the main beam 2 to ascend and descend, which may cause a gap between the hook 21 and the wall-attached seat 4, in order to reliably transfer the load on the scaffold to the wall, the height of the hook 21 is further adjusted by the hook adjusting device 22, so that the main beam 2 is tightly combined with the wall-attached seat 4.
The hook adjusting device 22 comprises a frame body 23, a lifting screw 24, a lifting connecting block 25 and a hinge shaft 26, wherein the frame body 23 is fixedly connected with the main beam 2, and a through strip-shaped groove 231 is formed in the frame body 23; a lifting screw 24 is arranged in the strip-shaped groove 231, and both ends of the lifting screw 24 are hinged with the frame body 23; the lifting screw 24 is further provided with a lifting connecting block 25, two ends of the lifting connecting block 25 are respectively hinged with the lifting screw 24 and a hinged shaft 26, and two ends of the hinged shaft 26 are fixedly connected with the hook 21. By adjusting the lifting screw 24, the hook 21 can be moved along the rack rail 3 and the frame 23, and the heights of the lifting connecting block 25 and the hook 21 can be adjusted.
The hook 21 is also provided with a first arc-shaped sliding block 27 and two groups of first rollers 28, the first arc-shaped sliding block 27 is arranged on the inner surface of the sliding groove 36, and the first arc-shaped sliding block 27 is fixedly connected with the hook 21; guide grooves 232 are further formed in the side face of the frame body 23, the first idler wheels 28 are respectively arranged in the guide grooves 232 and between the rack guide rail 3 and the frame body 23, the first idler wheels 28 are in rolling connection with the guide grooves 232 or the rack guide rail 3, and the first idler wheels 28 are in rotating connection with the hooks 21. Couple 21 is connected with spout 36 and guide way 232 respectively, can guarantee that couple 21 height when adjusting, can not take place the skew, couple can be accurate with attach wall seat 4 and fix, accommodation process is more steady.
In order to make the structure of the hook adjusting device 22 more stable, a triangular supporting part can be arranged at the bottom of the hook adjusting device 22 and is respectively connected with the bottom of the hook adjusting device 22 and the main beam 2, so that the hook adjusting device 22 is more stable, and the hook adjusting device 22 is prevented from shaking.
As shown in fig. 7 and 8, the wall-attached base 4 further includes two sets of second rollers 41 and two second arc-shaped sliders 42, the second arc-shaped sliders 42 and the second rollers 41 are respectively disposed on the inner and outer surfaces of the sliding slot 36, the second arc-shaped sliders 42 are fixedly connected to the wall-attached base 4, and the second rollers 41 are rotatably connected to the wall-attached base 4.
As shown in fig. 8 and 9, the wall-attached seat 4 is provided with an axial hole 43, a bolt 44 is inserted into the axial hole 43, the bolt 44 is slidably connected with the axial hole 43, the hook 21 is hooked on the bolt 44, the bolt 44 is further provided with a handle 45, the handle 45 is fixedly connected with the bolt 44, and one end of the bolt 44 abuts against the outer side surface of the wall-attached seat 4. In addition, a stop block 46 can be further arranged on the wall attaching seat 4, the stop block 46 can rotate, and a protrusion can be arranged on the rack guide rail 3, so that the stop block 46 can limit the protrusion when the protrusion is in a horizontal position, the limitation of the wall attaching seat 4 on the rack guide rail 3 is realized, and the rack guide rail 3 is prevented from falling. The handle 45 on the bolt 44 can play a fool-proof effect, and can avoid the phenomenon that the bolt 43 cannot be inserted in place.
In addition, as shown in fig. 10, the invention further comprises a protective beam 6 and a bracket 7, wherein the protective beam 6 and the main beam 2 are arranged in parallel, the protective beam 6 is fixedly connected with the hook adjusting device 22, the bracket 7 is arranged between the protective beam 6 and the main beam 2, the bracket 7 comprises a horizontal connecting rod 71 and an arc-shaped connecting rod 72, the horizontal connecting rod 71 is arranged in a tangent manner with the arc-shaped connecting rod 72, and two ends of the horizontal connecting rod 71 and two ends of the arc-shaped connecting rod 72 are respectively fixedly connected with the protective beam 6 and the main beam 2. Bracket 7 and protective beam 6 can form stable supporting structure with girder 2, set up the bearing plate through preventing weighing down between lifting scaffolding's protective beam 6 and girder 2 at parallel arrangement, can form horizontally building outer wall activity space, installs the protection network on protective beam 6, can prevent that personnel from falling.
As shown in fig. 1 combined with fig. 11, the main beam 2 is further provided with a connecting device 8, the connecting device 8 includes a fixing plate 81, two first connecting plates 82 and two clamping plates 83, the fixing plate 81 is fixedly connected with the main beam 2, one side of the fixing plate 81 is provided with the two first connecting plates 82 oppositely, the other side of the fixing plate 81 is provided with the two clamping plates 83 oppositely, and the surfaces of the two clamping plates 83 are attached to the main beam 2; the two first connecting plates 82 are slidably or rotatably connected to the rack rail 3.
Can set up arc 84 on the first connecting plate 82, arc 84 and spout 36 sliding connection, of course, also can set up on the first connecting plate 82 and replace arc 84 along the rolling mechanism of spout 36, prescribe a limit to the interval between girder 2 and the rack guide 3 through connecting device 8, prevent girder 2 top bearing back to outer slope, also can play certain effect of preventing weighing down.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. An anti-falling lifting scaffold comprises a box body (1), a main beam (2), a rack guide rail (3) and a wall-attached seat (4), wherein the box body (1) is fixedly connected with the main beam (2), the box body (1) is connected with the rack guide rail (3) in a sliding or rolling manner, and the main beam (2) is arranged in parallel with the rack guide rail (3); attach wall seat (4) and adhere to on the wall body and slide or rotate with rack guide rail (3) and be connected, be provided with gear (11) in box (1), first window (12) have been seted up with girder (2) rotatable coupling on gear (11) box (1), and first window (12) and rack guide rail (3) meshing, its characterized in that are passed in gear (11): the anti-falling device (5) is arranged in the box body (1), and the anti-falling device (5) limits the gear (11) to rotate clockwise or anticlockwise relative to the main beam (2);
the anti-falling device (5) comprises an intermediate connecting part (51), two anti-falling tooth parts (52) and an elastic unit (53), the intermediate connecting part (51) is rotatably connected with the box body (1), the two anti-falling tooth parts (52) are symmetrically arranged at two ends of the intermediate connecting part (51), each anti-falling tooth part (52) comprises a meshing tooth (521) and a limiting tooth (522), the meshing teeth (521) are meshed with the gear (11), the diameter of the addendum circle of the limiting tooth (522) is larger than that of the meshing tooth (521), one end of the elastic unit (53) is connected with the anti-falling tooth part (52) or the intermediate connecting part (51), and the other end of the elastic unit is connected with the;
the meshing teeth (521) and the limiting teeth (522) are positioned on the same root circle and are arranged adjacently;
the anti-falling box is characterized in that the box body (1) is further provided with an arc-shaped groove (13), one end of the elastic unit (53) penetrates through the arc-shaped groove (13) to be connected with the anti-falling tooth part (52) or the intermediate connecting part (51), and the other end of the elastic unit is connected with the outer surface of the box body (1).
2. The fall arrest lifting scaffold of claim 1, wherein: the main beam (2) is also provided with a plurality of hooks (21) and a hook adjusting device (22), and the hook adjusting device (22) is fixedly connected with the top of the main beam (2); one end of the hook (21) is connected with the hook adjusting device (22), the other end of the hook (21) is hung on the wall-attached base (4), the hook (21) is connected with the rack guide rail (3) in a sliding or rolling mode, the hook (21) is connected with the hook adjusting device (22) in a rolling mode, and the hook adjusting device (22) is used for adjusting the height of the hook (21).
3. The fall arrest lifting scaffold according to claim 2, wherein: the hook adjusting device (22) comprises a frame body (23), a lifting screw (24), a lifting connecting block (25) and a hinge shaft (26), the frame body (23) is fixedly connected with the main beam (2), and a through strip-shaped groove (231) is formed in the frame body (23); a lifting screw rod (24) is arranged in the strip-shaped groove (231), and two ends of the lifting screw rod (24) are hinged with the frame body (23); still set up lift connecting block (25) on lifting screw (24), the both ends of lift connecting block (25) are connected with lifting screw (24) and articulated shaft (26) hinge respectively, and the both ends of articulated shaft (26) all with couple (21) fixed connection.
4. A fall arrest lifting scaffold according to claim 3, wherein: the hook (21) is also provided with a first arc-shaped sliding block (27) and two groups of first rollers (28), and the rack guide rail (3) is provided with a sliding groove (36); the first arc-shaped sliding block (27) is arranged on the inner surface of the sliding groove (36), and the first arc-shaped sliding block (27) is fixedly connected with the hook (21); guide way (232) have still been seted up to framework (23) side, first gyro wheel (28) set up respectively in guide way (232) and between rack guide (3) and framework (23), first gyro wheel (28) and guide way (232) or rack guide (3) roll connection, first gyro wheel (28) rotate with couple (21) and be connected.
5. The fall arrest lifting scaffold according to claim 4, wherein: the wall attaching base (4) is provided with a shaft hole (43), a bolt (44) penetrates through the shaft hole (43), the bolt (44) is connected with the shaft hole (43) in a sliding mode, the hook (21) is hooked on the bolt (44), a handle (45) is further arranged on the bolt (44), the handle (45) is fixedly connected with the bolt (44), and one end of the bolt (44) abuts against the outer side face of the wall attaching base (4).
6. The fall arrest lifting scaffold according to claim 2, wherein: still include guard beam (6) and bracket (7), guard beam (6) and girder (2) parallel arrangement, guard beam (6) and couple adjusting device (22) fixed connection, be provided with bracket (7) between guard beam (6) and girder (2), bracket (7) include horizontal connecting rod (71) and arc connecting rod (72), horizontal connecting rod (71) and arc connecting rod (72) are tangent to be set up, the both ends of horizontal connecting rod (71) and arc connecting rod (72) respectively with guard beam (6) and girder (2) fixed connection.
7. The fall arrest lifting scaffold of claim 1, wherein: the main beam (2) is further provided with a connecting device (8), the connecting device (8) comprises a fixing plate (81), two first connecting plates (82) and two clamping plates (83), the fixing plate (81) is fixedly connected with the main beam (2), one side of the fixing plate (81) is oppositely provided with the two first connecting plates (82), the other side of the fixing plate (81) is oppositely provided with the two clamping plates (83), and the surfaces of the two clamping plates (83) are attached to the main beam (2); the two first connecting plates (82) are connected with the rack guide rail (3) in a sliding or rotating mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN111576840B (en) * | 2020-04-21 | 2021-08-13 | 中国建筑第八工程局有限公司 | Wall attaching device for climbing equipment and climbing method thereof |
| CN112127613A (en) * | 2020-09-08 | 2020-12-25 | 深圳市特辰科技股份有限公司 | Automatic ratchet wheel positioning is in coordination with centrifugal anti-falling guide's of atress frame that climbs |
| CN112127614A (en) * | 2020-09-08 | 2020-12-25 | 深圳市特辰科技股份有限公司 | Frame of climbing of ratchet automatic positioning guide seat |
| CN112160578B (en) * | 2020-09-17 | 2022-04-19 | 上海建工集团股份有限公司 | Floor slab attachment device of attachment type protection operation platform and use method thereof |
| CN112727058B (en) * | 2020-12-29 | 2021-09-07 | 广州达蒙安防科技有限公司 | Guide rail clamp anti-falling device |
| CN112727060B (en) * | 2020-12-29 | 2021-09-07 | 广州达蒙安防科技有限公司 | Anti-falling device for attached lifting scaffold |
| CN112982939B (en) * | 2021-02-23 | 2021-12-28 | 徐鹏 | High-stability attached lifting scaffold |
| CN113202223B (en) * | 2021-04-30 | 2022-11-22 | 浙江中成建工集团有限公司 | Automatic construction equipment of abnormal shape furred ceiling |
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| CN202055503U (en) * | 2010-12-20 | 2011-11-30 | 江苏南通三建集团第十六建设发展有限公司 | Anti-falling device for adhesive elevating scaffold applied in building construction |
| KR101321464B1 (en) * | 2012-01-31 | 2013-10-28 | 한국산업안전보건공단 | Climbing shoe of climbing system |
| CN103866963B (en) * | 2014-01-24 | 2015-12-23 | 广东建星建筑设备有限公司 | Attachment type raise scaffold anti-drop device |
| CN205935613U (en) * | 2016-05-19 | 2017-02-08 | 山东天元起重机械安装有限公司 | Anti -dropping device for attached -type lifting scaffold |
| CN109083393A (en) * | 2018-09-11 | 2018-12-25 | 中建三局第建设工程有限责任公司 | The I-shaped guide rail of rack gear and elevating scaffold |
| CN109113319A (en) * | 2018-09-11 | 2019-01-01 | 广州达蒙安防科技有限公司 | Rack guide rail and elevating scaffold |
| CN108915235A (en) * | 2018-09-26 | 2018-11-30 | 北京千引力科技发展有限公司 | A kind of elevating scaffold anti-fall device |
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