CN210164209U

CN210164209U - Anti-falling safety device for attached lifting scaffold

Info

Publication number: CN210164209U
Application number: CN201920702662.1U
Authority: CN
Inventors: 武涛; 刘红岗; 李宝龙; 林家富; 狄志俊; 陈玉超; 胡玲; 朱祉诚
Original assignee: Jiangsu Guozhi Architectural Technology Co ltd
Current assignee: Jiangsu Guozhi Architectural Technology Co ltd
Priority date: 2019-05-16
Filing date: 2019-05-16
Publication date: 2020-03-20
Anticipated expiration: 2029-05-16

Abstract

The utility model discloses an attached lifting scaffold is with safety device that prevents falling relates to a construction equipment. The anti-falling safety device comprises a first limiting plate and a second limiting plate which are arranged on an attached support body, and an anti-falling assembly which is arranged on the attached support body in a rotating mode, wherein cross rods are arranged on a guide rail on the attached lifting scaffold at intervals, the anti-falling assembly comprises a triggering end part located below the cross rods, the triggering end part is pushed by falling cross rods to drive the anti-falling assembly to rotate, and the anti-falling safety device is clamped and limited by the first limiting plate and the second limiting plate to realize anti-falling through a bearing cross rod. The utility model discloses processing simple manufacture, the action is sensitive, and the protection is reliable, and the maintenance cost is low, can effectively improve the security performance of inserted lift scaffold.

Description

Anti-falling safety device for attached lifting scaffold

Technical Field

The utility model relates to a construction equipment, more specifically say, relate to an attached type lifting foot hand rack is with safety device that prevents falling.

Background

An attached lifting scaffold is a construction device commonly used in building construction, decoration engineering and maintenance engineering. The anti-falling safety device is generally used in high-rise and super high-rise building construction, and mainly comprises an attached lifting scaffold frame body structure, an attached support body, an anti-falling device, a lifting mechanism, a control device and the like, wherein the anti-falling safety device is required to be arranged in the lifting, descending and using processes of the anti-falling safety device; some methods usually require manual maintenance and have high use cost; some brakes are insensitive and have potential safety hazards.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved by the utility model

An object of the utility model is to overcome prior art's defect, provide a processing simple manufacture, the action is sensitive, and the protection is reliable, and the inserted lift scaffold frame that maintenance cost is low is with preventing safety device that falls.

2. Technical scheme

In order to achieve the above purpose, the utility model provides a technical scheme does:

the utility model discloses an attached lifting scaffold is with preventing safety device that falls, prevent falling safety device including setting up first limiting plate and the second limiting plate on attaching to the support body to and rotate and set up the subassembly of preventing weighing down on attaching to the support body, the interval is provided with the horizontal pole on the guide rail on this attached lifting scaffold, prevent weighing down the subassembly including the trigger tip that is located the horizontal pole below, trigger the tip and promote and then drive by the horizontal pole that falls and prevent weighing down the subassembly and rotate, and realize preventing falling with the bearing horizontal pole through the spacing bearing horizontal pole of above-mentioned first limiting plate and second limiting plate centre gripping.

Further say, prevent weighing down the subassembly including preventing weighing down the piece and triggering the piece, should prevent weighing down the piece and trigger the piece and connect on attaching to the support body through same fixed axle pin, wherein, prevent that the focus that weighs down the piece is located the below of fixed axle, should prevent weighing down and leave the certain distance between piece and the horizontal pole, and should prevent weighing down the piece and be close to the fixed axle and be provided with the face of supporting, trigger the piece be provided with the face of supporting the face of supporting laminating mutually, should trigger the piece and keep away from the tip of the face of supporting and form the aforesaid and trigger the tip, and the focus of this trigger piece is close to the tip of triggering, above-mentioned first limiting plate and second limiting plate are located respectively and prevent weighing down the top and the below of piece, prevent weighing down the piece and be certain angle when stewing and lean on the second limiting plate, prevent weighing down the piece and rotate to be that its both ends support respectively and lean.

Further, be provided with the torsional spring on the fixed axle, an arm of torsional spring contacts with preventing weighing down the piece, another arm of torsional spring contacts with the up end that triggers the tip.

Further, an included angle between the upper end face of the trigger end portion and the collision face is 22-42 degrees.

Further say, prevent weighing down the piece including head I that is close to the guide rail and the afterbody I of keeping away from the guide rail, head I's quality is less than afterbody I's quality, just leave the certain distance between head I and the horizontal pole, afterbody I supports when stewing and leans on the second limiting plate, prevent weighing down the piece and rotate and support the up end that leans on the lower terminal surface of first limiting plate and second limiting plate respectively to its afterbody I and head I when being the horizontality and placing.

Further, trigger the piece including the head II that is close to the guide rail and the afterbody II of keeping away from the guide rail, head II's quality is greater than afterbody II's quality, just head II's tip forms above-mentioned trigger tip, trigger the piece and set up on above-mentioned fixed axle through two ring structures on its afterbody II, above-mentioned torsional spring sets up between two ring structures.

Furthermore, the upper end face of the second limiting plate is provided with a notch, the width of the notch is larger than that of the triggering block and smaller than that of the anti-falling block, and the depth of the notch can be used for the triggering block to rotate inside the triggering block.

3. Advantageous effects

Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:

(1) the utility model discloses an attached lifting scaffold is with safety device that prevents falling, this safety device that prevents falling processing simple manufacture, the action is sensitive, and the protection is reliable, and the maintenance cost is low, can effectively improve attached lifting scaffold's security performance.

(2) The utility model discloses an attached lifting scaffold is with preventing safety device that falls sets up first limiting plate and second limiting plate respectively through the top and the below of preventing weighing down the piece to make the support body when descending fast, prevent weighing down the piece and can be spacing through first limiting plate and second limiting plate centre gripping, make the atress more balanced, improve spacing stability.

(3) The utility model discloses an inserted lift scaffold is with safety device that prevents falling is provided with the torsional spring on its fixed axle, an arm of torsional spring with prevent weighing down the piece and contact, another arm of torsional spring contacts with the up end that triggers the tip, the up end that triggers the tip and the above-mentioned contained angle between the face of contradicting are 22 ~ 42. It should be noted that: when the frame body is lifted, the trigger block can be further prompted to reset in time under the elastic action of the torsion spring. It needs to be further explained that: the included angle between the upper end face of the trigger end and the abutting face can ensure that the abutting face pushes the abutting face to drive the anti-falling block to rotate for a certain stroke.

(4) The utility model discloses an attached lifting scaffold is with safety device that prevents falling, its structural design is reasonable, and the principle is simple, convenient to popularize and use.

Drawings

Fig. 1 is a schematic structural view of a bolt direct-coupled type attachment support of the present invention;

FIG. 2 is a schematic view of an exploded structure of the attached support of FIG. 1;

FIG. 3 is a schematic structural view of the attached support body of the present invention;

FIG. 4 is a schematic structural view of the fall preventing assembly of the present invention;

FIG. 5 is a schematic structural view of the anti-falling block of the present invention;

fig. 6 is a schematic structural diagram of the trigger block of the present invention;

FIG. 7 is a schematic structural diagram of the attached lifting scaffold in a static state;

fig. 8 is a structural view illustrating a state when the attached lifting scaffold is lifted;

fig. 9 is a structural diagram of the attached lifting scaffold in a state of slowly descending;

fig. 10 is a structural view illustrating a state where the attached lifting scaffold is rapidly lowered.

The reference numerals in the schematic drawings illustrate:

11. attaching a support body; 12. a guide wheel seat; 13. a fall arrest assembly; 14. a guide wheel assembly;

111. a bolt assembly; 112. positioning a safety pin shaft; 113. a first limit plate; 114. a second limiting plate; 115. a notch;

131. an anti-falling block; 132. a trigger block; 133. a torsion spring;

1311. pressing the surface;

1321. a contact surface; 1322. a trigger end;

21. a guide rail; 22. a cross bar.

Detailed Description

For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings.

Example 1

With reference to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8, fig. 9 and fig. 10, the bolt-direct type attachment support of the present embodiment includes an attachment support body 11 and two guide wheel seats 12 with lifting rails, where the two guide wheel seats 12 with lifting rails are respectively positioned by a positioning safety pin 112 and then installed on the left and right sides of the front end surface of the attachment support body 11 by bolt assemblies 111. Specifically, in this embodiment: the lifting rail of the guide wheel seat 12 is provided with a guide wheel assembly 14 for encircling the lifting guide rail 21, and the guide wheel assembly 14 comprises four guide wheels, and the four guide wheels are correspondingly arranged in the guide wheel seat 12 in pairs so as to reduce the lifting resistance. It should be noted that: the utility model discloses well location insurance round pin axle 112 set up can conveniently install leading wheel seat 12 fast, and can play the guard action when bolt subassembly 111 warp. It needs to be further explained that: the attached system of single pin support body comprises per three a set of attached support, use in batches along with the aluminium mould now, after the attached lifting scaffold climbs, the installation of third attached support need cross aluminium mould K board, could be fixed with building structure, because the existence of aluminium mould K board promptly, it can not avoid aluminium mould K board to pour into guide rail 21 and building structure fixed to attach the support, simultaneously, because it need break away from the back completely with support body guide rail 21 to attach the support, the use of can changing the inverse transportation, thereby increase support body upper portion and fall out the height, support body safety and stability reduces, technical problem to the above-mentioned existence, the utility model discloses a bolt directly links and makes two guide wheel seats 12 of taking the lift track and directly lock with guide rail 21, avoids the construction form directly then fixed with building structure. The method specifically comprises the following steps: the support body stops promoting the back, will adhere to support body 11 and gets into fixed position from guide rail 21 side, will take orbital leading wheel seat 12 of lift to be connected with adhering to support body 11 through bolt subassembly 111 to with the locking of guide rail 21, avoid guide rail 21 camber, simultaneously, bolt direct-connected structure makes to adhere to the support and also can change the use of falling to transporting under the condition that does not deviate from support body guide rail 21, to sum up, the utility model discloses can avoid the construction template directly to be fixed with building structure under the prerequisite that does not increase and adhere to support and cushion, in addition, the support is adhered to lower floor can in time repeated use of falling to transporting, avoids guide rail 21 camber, makes the support body use more firm, safe, simultaneously, reduces the support body input cost, improves workman work efficiency.

This support is adhered to bolt direct-connected still includes the safety device that prevents falling, this safety device that prevents falling is including setting up first limiting plate 113 and the second limiting plate 114 on adhering to the support body 11 to and rotate and set up the subassembly 13 of preventing weighing down on adhering to the support body 11, the interval is provided with horizontal pole 22 on the guide rail 21 on the attached lift scaffold, prevent weighing down the subassembly 13 and including the trigger tip 1322 that is located the horizontal pole 22 below, trigger tip 1322 and promote and then drive by the horizontal pole 22 that falls and prevent weighing down the subassembly 13 and rotate, and through above-mentioned first limiting plate 113 and the spacing realization of falling of bearing horizontal pole 22 centre gripping of second limiting plate. It should be noted that: the utility model discloses a first limiting plate 113 and the spacing subassembly 13 of preventing weighing down of second limiting plate 114 centre gripping for the atress is more balanced, improves spacing stability.

The anti-falling assembly 13 comprises an anti-falling block 131 and a triggering block 132, the anti-falling block 131 and the triggering block 132 are connected in a lower frame of the attachment support body 11 through the same fixed shaft pin, wherein the gravity center of the anti-falling block 131 is located below the fixed shaft, a certain distance is reserved between the anti-falling block 131 and the cross rod 22, the anti-falling block 131 is provided with a pressing surface 1311 close to the fixed shaft, the triggering block 132 is provided with an abutting surface 1321 abutting against the pressing surface 1311, the end part of the triggering block 132 far away from the abutting surface 1321 forms the triggering end part 1322, the gravity center of the triggering block 132 is close to the triggering end part 1322, when the triggering end part 1322 is pushed by the falling cross rod 22, the pressing surface 1311 is pushed through the abutting surface 1321 to drive the anti-falling block 131 to rotate, and the first limiting plate 113 and the second limiting plate 114 are used for limiting to support the cross rod. It should be noted that: during the normal lifting and lowering process of the frame body, the anti-falling block 131 and the triggering block 132 are reset under the action of gravity.

The first limiting plate 113 and the second limiting plate 114 are respectively located above and below the anti-falling block 131, the anti-falling block 131 is supported on the second limiting plate 114 at a certain angle when standing still, the anti-falling block 131 rotates to be the upper end face of the lower end face of the first limiting plate 113 and the upper end face of the second limiting plate 114 when placed in a horizontal state, wherein the second limiting plate 114 is arranged between the anti-falling block 131 and the cross rod 22, the upper end face of the second limiting plate 114 is provided with a notch 115, the width of the notch 115 is greater than the width of the trigger block 132, the width of the anti-falling block 131 is smaller than the width of the trigger block 131, and the depth of the notch 115 can be used for the trigger block 132 to. It should be noted that: the utility model discloses a top and the below of preventing weighing down piece 131 set up first limiting plate 113 and second limiting plate 114 respectively to make the support body when descending fast, prevent weighing down piece 131 can be spacing through first limiting plate 113 and second limiting plate 114 centre gripping, make the atress more balanced, improve spacing stability.

Specifically, in this embodiment: the fixed shaft is provided with a torsion spring 133, one arm of the torsion spring 133 is contacted with the anti-falling block 131, the other arm of the torsion spring 133 is contacted with the upper end surface of the trigger end part 1322, and the included angle between the upper end surface of the trigger end part 1322 and the interference surface 1321 is 22-42 degrees. It should be noted that: when the rack body is lifted, the trigger block 132 can be further prompted to be reset in time through the elastic force of the torsion spring 133. It needs to be further explained that: the included angle between the upper end surface of the trigger end 1322 and the abutting surface 1321 can ensure that the abutting surface 1321 pushes the abutting surface 1311 to drive the anti-falling block 131 to rotate for a certain stroke.

Specifically, in this embodiment: the anti-falling block 131 comprises a head I close to the guide rail 21 and a tail I far away from the guide rail 21, the mass of the head I is smaller than that of the tail I, a certain distance is reserved between the head I and the cross rod 22, the tail I abuts against the second limiting plate 114 when standing, and the tail I and the head I abut against the lower end face of the first limiting plate 113 and the upper end face of the second limiting plate 114 respectively when the anti-falling block 131 rotates to be placed in a horizontal state.

Specifically, in this embodiment: the trigger block 132 includes a head portion II close to the guide rail 21 and a tail portion II far away from the guide rail 21, the mass of the head portion II is greater than that of the tail portion II, the end portion of the head portion II forms the trigger end portion 1322, the trigger block 132 is disposed on the fixing shaft through two circular ring structures on the tail portion II, and the torsion spring 133 is disposed between the two circular ring structures.

The utility model discloses in this safety device that prevents falling processing simple manufacture, the action is sensitive, and the protection is reliable, and the maintenance cost is low, can effectively improve the security performance of inserted lift scaffold.

The specific action process of the anti-falling safety device is as follows:

when the guide rail 21 is lifted upwards along with the rack body, the cross rod 22 on the guide rail 21 is in contact with the triggering end 1322, the anti-falling block 131 is stationary, the torsion spring 133 is squeezed, the rack body is lifted upwards continuously, and after the triggering end 1322 is separated from the cross rod 22 of the guide rail 21, the triggering block 132 is reset under the combined action of the gravity of the head part II and the torsion spring 133, and the rack body is lifted normally (as shown in fig. 8).

When the guide rail 21 descends slowly along with the rack body, the cross rod 22 on the guide rail 21 contacts with the triggering end 1322, so that the anti-falling block 131 is driven to rotate, the rack body descends slowly, after the triggering end 1322 is separated from the cross rod 22 of the guide rail 21, the anti-falling block 131 is reset in time under the action of gravity of the tail portion I of the anti-falling block, and the rack body descends normally (as shown in fig. 9).

When the guide rail 21 descends downwards along with the frame body quickly, the falling prevention block 131 cannot reset in time due to the fact that the reset time of the falling prevention block 131 is smaller than the descending time of the distance between two adjacent cross rods 22 of the guide rail 21, the head I of the falling prevention block 131 clamps the cross rods 22 on the guide rail 21, the tail I and the head I of the falling prevention block 131 are abutted to the lower end face of the first limiting plate 113 and the upper end face of the second limiting plate 114 respectively, rotation is stopped, and the falling prevention function is achieved (as shown in fig. 10).

The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.

Claims

1. The utility model provides an attached lifting scaffold is with preventing safety device that falls which characterized in that: prevent safety device that falls including setting up first limiting plate (113) and second limiting plate (114) on adhering to support body (11) to and rotate and set up prevent weighing down subassembly (13) on adhering to support body (11), guide rail (21) on this attached lifting scaffold upward the interval is provided with horizontal pole (22), prevent weighing down subassembly (13) including being located the trigger tip (1322) of horizontal pole (22) below, trigger tip (1322) promote and then drive by horizontal pole (22) of horizontal pole (22) and prevent weighing down subassembly (13) and rotate to realize preventing falling through above-mentioned first limiting plate (113) and second limiting plate (114) centre gripping spacing with bearing horizontal pole (22).

2. A fall arrest safety device for an attached lifting scaffold according to claim 1, characterized in that: the anti-falling assembly (13) comprises an anti-falling block (131) and a triggering block (132), the anti-falling block (131) and the triggering block (132) are connected to the attachment support body (11) through the same fixed shaft, the gravity center of the anti-falling block (131) is located below the fixed shaft, a certain distance is reserved between the anti-falling block (131) and the cross rod (22), the anti-falling block (131) is provided with a pressing surface (1311) close to the fixed shaft, the triggering block (132) is provided with a contact surface (1321) which is attached to the pressing surface (1311), the end part of the triggering block (132) far away from the contact surface (1321) forms the triggering end part (1322), the gravity center of the triggering block (132) is close to the triggering end part (1322), the first limiting plate (113) and the second limiting plate (114) are respectively located above and below the anti-falling block (131), and the anti-falling block (131) abuts against the second limiting plate (114) at a certain angle when standing, when the anti-falling block (131) rotates to be placed in a horizontal state, two ends of the anti-falling block respectively abut against the lower end face of the first limiting plate (113) and the upper end face of the second limiting plate (114).

3. A fall arrest safety device for an attached lifting scaffold according to claim 2, wherein: the fixed shaft is provided with a torsion spring (133), one arm of the torsion spring (133) is in contact with the anti-falling block (131), and the other arm of the torsion spring (133) is in contact with the upper end face of the trigger end part (1322).

4. A fall arrest safety device for an attached lifting scaffold according to claim 2, wherein: the included angle between the upper end surface of the trigger end part (1322) and the collision surface (1321) is 22-42 degrees.

5. A fall arrest safety device for an attached lifting scaffold according to claim 2, wherein: prevent weighing down piece (131) including head I that is close to guide rail (21) and the afterbody I of keeping away from guide rail (21), head I's quality is less than afterbody I's quality, just leave the certain distance between head I and horizontal pole (22), afterbody I supports when stewing and leans on second limiting plate (114), prevent weighing down piece (131) rotate to be its afterbody I and head I support respectively and lean on the lower terminal surface of first limiting plate (113) and the up end of second limiting plate (114) when horizontal state places.

6. A fall arrest safety device for an attached lifting scaffold according to claim 3, wherein: trigger block (132) including the head II that is close to guide rail (21) and the afterbody II of keeping away from guide rail (21), the quality of head II is greater than afterbody II's quality, just the tip of head II forms above-mentioned trigger tip (1322), trigger block (132) set up on above-mentioned fixed axle through two ring structures on its afterbody II, and above-mentioned torsional spring (133) set up between two ring structures.

7. A fall arrest safety device for an attached lifting scaffold according to claim 5, wherein: the upper end face of the second limiting plate (114) is provided with a notch (115), the width of the notch (115) is larger than that of the triggering block (132) and smaller than that of the anti-falling block (131), and the depth of the notch (115) can be used for the triggering block (132) to rotate in the notch.