CN213391152U

CN213391152U - Scaffold lifting device

Info

Publication number: CN213391152U
Application number: CN202021902746.9U
Authority: CN
Inventors: 马仁怀; 刘学成; 尚厚延; 姜玉楷; 马智宇
Original assignee: Shandong Xinhuoxin Material Technology Co ltd
Current assignee: Shandong Xinhuoxin Material Technology Co ltd
Priority date: 2020-09-03
Filing date: 2020-09-03
Publication date: 2021-06-08
Anticipated expiration: 2030-09-03

Abstract

The utility model relates to a scaffold lifting device, which comprises a vertical main frame, a wall-attached support and a bearing support; the vertical main frame comprises a frame body outer upright rod, frame body guide rails and a plurality of supporting assemblies, and the supporting assemblies are arranged between the frame body outer upright rod and the frame body guide rails; the lower end part of the upright post outside the frame body is provided with a bottom scaffold board, a support component at the upper part of the bottom scaffold board is provided with the scaffold board, and the bottom scaffold board is connected with the lower hanging seat; the lower hanging seat is connected with a driving device, the driving device is connected with a bearing support through a lifting guide chain, the lifting guide chain connected with the lifting guide chain at the bearing support through a connecting block is connected with an upper hanging seat, and the upper hanging seat is fixed at the upper part of the guide rail of the frame body; the wall attaching support is provided with a plurality of support rails which are fixed on a building wall along the vertical direction, and the support body guide rails are arranged on the wall attaching support in a sliding manner along the vertical direction. The whole scaffold of this application can reciprocate, and construction convenience has improved the efficiency of construction.

Description

Scaffold lifting device

Technical Field

The utility model relates to a construction equipment technical field, concretely relates to scaffold puts up elevating gear.

Background

The scaffold is a common building device in the building construction process, and for high-rise buildings, the scaffold needs to be lifted correspondingly along with the gradual rise of the building height. Among the prior art, when the scaffold frame promoted, generally demolish the scaffold frame of lower part the back, then build again or fix after promoting the scaffold frame with the help of outside equipment of lifting by crane at the height that needs, the operation process is very troublesome, has seriously restricted building construction efficiency and danger coefficient higher.

SUMMERY OF THE UTILITY MODEL

The utility model discloses scaffold frame dismouting to high-rise building among the prior art is complicated, lead to the problem that the building efficiency is low, danger coefficient is higher, provides a scaffold frame elevating gear.

The utility model provides an above-mentioned technical problem's technical scheme as follows: a scaffold lifting device comprises a vertical main frame, a wall-attached support and a bearing support;

the vertical main frame comprises a frame body outer upright rod, frame body guide rails and a plurality of supporting assemblies, and the supporting assemblies are arranged between the frame body outer upright rod and the frame body guide rails;

the lower end part of the upright post outside the frame body is provided with a bottom scaffold board, a support component at the upper part of the bottom scaffold board is provided with the scaffold board, and the bottom scaffold board is connected with the lower hanging seat;

the lower hanging seat is connected with a driving device, the driving device is connected with the bearing support through a lifting guide chain, the lifting guide chain is connected with the lifting guide chain at the bearing support through a connecting block, the lifting guide chain is connected with the upper hanging seat, and the upper hanging seat is fixed at the upper part of the guide rail of the frame body;

the wall attaching support is provided with a plurality of support rails which are fixed on a building wall along the vertical direction, and the support body guide rails are arranged on the wall attaching support in a sliding manner along the vertical direction.

The utility model has the advantages that: the whole scaffold can move up and down according to the use requirement, the scaffold is only required to be arranged around the construction position, the scaffold does not need to be erected from the ground, the construction is convenient, and the construction efficiency of the building is improved; the lifting and descending of the scaffold are realized through the connection of the driving device and the lifting guide chain, and the operation is stable and reliable.

On the basis of the technical scheme, the utility model discloses a reach the convenience of use and the stability of equipment, can also make following improvement to foretell technical scheme:

furthermore, a weight sensor is arranged between the lower hanging seat and the driving device.

The beneficial effect of adopting the further technical scheme is that: the weight of the frame body at the lower hanging seat can be measured by arranging the weight sensor, when the frame body is unexpected and the sensor detects overweight or weightlessness, the control system can automatically alarm until the power system is forced to stop working, and the operation safety of the scaffold is ensured.

Furthermore, a wall attaching support is fixed on the building wall body, the wall attaching support is fixed with a connecting plate, and the connecting plate is in sliding fit with the frame body guide rail through rollers.

The beneficial effect of adopting the further technical scheme is that: realize fixing the gyro wheel through attaching the wall support, with support body guide rail and gyro wheel sliding fit, can realize reciprocating of scaffold to the gyro wheel encircles in the guide slot of support body guide rail, attaches wall support combination linkage from top to bottom, and the function of toppling is prevented to effectual realization support body, and is rational in infrastructure, and the operation is reliable.

Further, an unloading ejector rod is arranged between the wall-attached support and the frame body guide rail, a plurality of clamping grooves are formed in the frame body guide rail in the vertical direction, and the unloading ejector rod is clamped in the clamping grooves.

The beneficial effect of adopting the further technical scheme is that: after the unloading ejector rod enters a working state, the power system and the chain guide part are subjected to unloading treatment, and the power system and the chain guide system are prevented from being always in a lifted tight state to cause premature fatigue damage and cause unexpected faults. After the scaffold enters the working layer, the frame body guide rail is clamped through the unloading ejector rod, so that the lifting guide chain is in a loose free state, and the service lives of a power system and a guide chain structure can be effectively prolonged.

Further, a mounting seat is fixed on the upper hanging seat, a chain guide tensioning device is fixed on the mounting seat, a chain guide mechanism is hinged to the lower portion of the chain guide tensioning device, one end of the hoisting guide chain bypasses the chain guide mechanism and is fixed on the bearing support together with the hoisting guide chain, and the other end of the hoisting guide chain is connected with the hoisting guide chain through a connecting block.

The beneficial effect of adopting the further technical scheme is that: the hoisting guide chain tightness degree is adjusted by arranging the guide chain mechanism at the lower part of the guide chain tensioning device, and the hoisting guide chain at the hoisting end is convenient to transmit to the fixed end of the bearing support in the hoisting process at the rear with proper tightness, so that the self-circulation operation of the annular guide chain is realized, and the lifting of the frame body is realized.

Furthermore, the bearing support is fixed on the building wall body adjacent to the upper hanging seat, a connecting block is installed at the end part of the bearing support through a pin shaft, and a hanging guide chain and a lifting guide chain are respectively arranged at the two ends of the connecting block.

The beneficial effect of adopting the further technical scheme is that: the lifting guide chain is fixed on the bearing support through the connecting block, the bearing support is fixed on a building wall body, the weight of the scaffold frame body is borne, the scaffold frame ascends along the lifting guide chain under the driving of the driving device, and the normal operation of the scaffold is guaranteed.

Furthermore, the bearing support is fixed on the building wall between the upper hanging seat and the lower hanging seat.

The beneficial effect of adopting the further technical scheme is that: according to the different heights of scaffold frame lift, with the different heights of bearing support fixed wall body to satisfy the lift requirement of scaffold frame.

Further, the supporting component comprise a Z support and a triangular support, and the Z support and the triangular support are arranged between the frame body guide rail and the frame body outer vertical rod.

The beneficial effect of adopting the further technical scheme is that: the scaffold board is fixed between support body pole setting and support body guide rail through supporting component to supporting component can strengthen the intensity of support body on can transmitting the support body guide rail with the power of outer pole setting and scaffold board, the support body of being convenient for promotes and work. Through setting up supporting component into zigzag or triangle-shaped, simple structure, the bearing capacity is strong.

Furthermore, an anti-falling assembly is arranged on the wall-attached support and comprises a six-gear and an anti-falling swinging block which are rotatably arranged on the wall-attached support, and the six-gear is matched with a clamping groove of the frame body guide rail; prevent weighing down to be equipped with on the pendulum mass and prevent weighing down little tongue, prevent weighing down little tongue and be used for driving and prevent weighing down the pendulum mass swing, it is used for preventing weighing down the spacing axle of pendulum mass spacing still to be fixed with on the wall support, prevent weighing down the pendulum mass and reset through the pendulum mass extension spring.

The beneficial effect of adopting the further technical scheme is that: through setting up the anti-falling assembly, when the scaffold frame accident appears and freely falls, the anti-falling assembly blocks the support body guide rail, avoids it to fall, has improved the security of scaffold frame greatly.

Drawings

Fig. 1 is a schematic structural view of a scaffold lifting device according to the present application;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic structural view of the load bearing support and the upper hanger;

FIG. 4 is a schematic view of the fall arrest assembly.

The reference numbers are recorded as follows: the anti-falling device comprises a building wall body 1, a frame body upright stanchion 2, a frame body guide rail 3, a scaffold board 4, a Z support 5, a lower hanging seat 6, a driving device 7, a weight sensor 8, a lifting guide chain 9, a lifting guide chain 10, an upper hanging seat 11, a guide chain mechanism 12, a guide chain tensioning device 13, an unloading ejector rod 14, a wall attaching support 15, a connecting plate 16, a roller 17, a bearing support 18, a bottom scaffold board 19, a triangular support 20, an anti-falling assembly 21, a six-gear 21-1, an anti-falling swing block 21-2, an anti-falling small tongue 21-3, a swing block tension spring 21-4 and a limiting shaft 21-5.

Detailed Description

In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or assembly must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

A scaffold lifting device (see fig. 1 to 4) comprising a vertical main frame, a wall attachment support 15 and a load bearing support 18;

the vertical main frame comprises a frame body outer upright rod 2, a frame body guide rail 3 and a plurality of supporting assemblies, and the supporting assemblies are arranged between the frame body outer upright rod 2 and the frame body guide rail 3; the vertical main frame further comprises an inner vertical rod of the frame body, the inner vertical rod of the frame body and the frame body guide rail 3 are fixed on the same side of the bottom scaffold board 19, the distance between the inner vertical rod and the bottom scaffold board is 2 meters, the requirement of construction space of constructors can be met, and the overall stability of the vertical main frame is guaranteed.

The lower end part of the outer upright rod 2 of the frame body is provided with a bottom scaffold board 19, a support component at the upper part of the bottom scaffold board 19 is provided with the scaffold board 4, and the bottom scaffold board 19 is connected with the lower hanging seat 6;

the lower hanging seat 6 is connected with a driving device 7, the driving device 7 is connected with a bearing support 18 through a lifting guide chain 9, the lifting guide chain 9 is connected with a lifting guide chain 10 at the bearing support 18 through a connecting block, the lifting guide chain 10 is connected with an upper hanging seat 11, and the upper hanging seat 11 is fixed at the upper part of the frame body guide rail 3; the driving device 7 is an electric hoist.

The wall-attached support 15 is provided with a plurality of wall-attached supports and is fixed on the building wall 1 along the vertical direction, and the frame body guide rail 3 is installed on the wall-attached support 15 along the vertical direction in a sliding manner.

The bearing support 18 is fixed at the upper end of the building wall 1, and the wall-attached support 15 and the bearing support 18 are fixed on the building wall 1 through bolts.

The wall attaching supports 15 are fixed on the wall body above the 2 nd floor, the bearing supports 18 are fixed on the wall body above the 3 rd floor, the wall attaching supports 15 at the bottommost side are detached one by one along with the rising of the vertical main framework and then move upwards, the vertical main framework lifts one floor, and the wall attaching supports 15 move one by one. If the bearing support 18 is installed on the 3 rd floor, the vertical main frame needs to move the bearing support 18 one floor upwards when lifting one floor; if the bearing support 18 is installed on the 4 th floor, the vertical main frame needs to move the bearing support 18 once when lifting the 2 th floor, and the distance of the 2 th floor is moved once, and so on.

And a weight sensor 8 is arranged between the lower hanging seat 6 and the driving device 7.

The wall-attached support 15 is fixed with a connecting plate 16, and the connecting plate 16 is in sliding fit with the frame body guide rail 3 through a roller 17. The frame body guide rail 3 is provided with a sliding groove, and the roller 17 slides in the sliding groove.

An unloading ejector rod 14 is arranged between the wall-attached support 15 and the frame body guide rail 3, a plurality of clamping grooves are formed in the frame body guide rail 3 in the vertical direction, and the unloading ejector rod 14 is clamped in the clamping grooves.

The lifting device is characterized in that a mounting seat is fixed on the upper lifting seat 11, a guide chain tensioning device 13 is fixed on the mounting seat, a guide chain mechanism 12 is hinged to the lower portion of the guide chain tensioning device 13, one end of the lifting guide chain 10 bypasses the guide chain mechanism 12 and the lifting guide chain 9 and is fixed on a bearing support 18, and the other end of the lifting guide chain is connected with the lifting guide chain 9 through a connecting block. The chain guide mechanism 12 has 2 chain guide wheels, similar to pulleys, adapted to guide a chain with a chain guide link catching slot, the chain guide being rotationally reversed by the chain guide wheels in the chain guide mechanism 12. The hoisting guide chain 10 has thin hoisting rings and small bearing capacity; the hoisting guide chain 9 has a thick hoisting ring and a heavy bearing capacity. And a screw rod in the guide chain tensioning device 13 passes through a central hole of the mounting seat and is located on the mounting seat.

The bearing support 18 is fixed on the building wall 1 adjacent to the upper hanging seat 11, a connecting block is mounted at the end of the bearing support 18 through a pin shaft, and a hoisting guide chain 10 and a lifting guide chain 9 are respectively arranged at two ends of the connecting block.

The bearing support 18 is fixed on the building wall 1 between the upper hanging seat 11 and the lower hanging seat 6.

The supporting component comprise a Z support 5 and a triangular support 20, wherein the Z support 5 and the triangular support 20 are arranged between the frame body guide rail 3 and the frame body outer vertical rod 2.

As shown in fig. 4, the wall-attached support 15 is provided with an anti-falling assembly 21, the anti-falling assembly comprises a six-gear 21-1 and an anti-falling swing block 21-2 which are rotatably arranged on the wall-attached support 15, and the six-gear 21-1 is matched with a clamping groove of the frame body guide rail 3; the anti-falling swing block 21-2 is provided with an anti-falling small tongue 21-3, the anti-falling small tongue 21-3 is used for driving the anti-falling swing block 21-2 to swing, the wall-attached support 15 is further fixed with a limiting shaft 21-5 used for limiting the anti-falling swing block 21-2, and the anti-falling swing block 21-2 is reset through a swing block tension spring 21-4.

The anti-falling process is as follows: when the scaffold suddenly falls, the frame body guide rail 3 rapidly moves downwards to drive the six gears 21-1 to move clockwise, the teeth of the six gears 21-1 stir the anti-falling small tongues 21-3, and then the anti-falling small tongues 21-3 drive the anti-falling swinging blocks 21-2 to rotate anticlockwise to the positions between two teeth of the six gears 21-1; as the descending speed of the scaffold is high and the scaffold has larger speed difference with the normal descending state, the rotating speed of the six-gear 21-1 is larger than the reset speed of the anti-falling swing block 21-2, the lower end of the anti-falling swing block 21-2 can be clamped by the teeth of the six-gear 21-1 when the anti-falling swing block does not rebound to reset, the upper end of the anti-falling swing block 21-2 is blocked by the limiting shaft 21-5, namely the rotation of the six-gear 21-1 is stopped by the anti-falling swing block 21-2, thereby realizing the anti-falling of the scaffold.

The working process of the application is as follows: the hoisting guide chain 10 is connected with the hoisting guide chain 9 through a connecting block, one end of the connecting block is fixed on the bearing support 18 through a pin shaft, when the vertical main frame is hoisted, the electric hoist works and rotates, the hoisting guide chain 9 is rolled and hoisted through the meshing of gears for the guide chain on the electric hoist, because one end of the hoisting guide chain 9 is fixed on the bearing support 18, the electric hoist is made to climb upwards along the hoisting guide chain 9 under the action of the guide chain wheel, the other end of the hoisting guide chain 9 is connected with the other end of the hoisting guide chain 10 through the connecting block, the end is a movable end, the vertical main frame is hoisted and moves upwards, and the hoisting guide chain 10 on the upper part is conveyed to the fixed end of the middle.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A scaffold lifting device is characterized by comprising a vertical main frame, a wall-attached support (15) and a bearing support (18);

the vertical main frame comprises a frame body outer upright rod (2), a frame body guide rail (3) and a plurality of supporting assemblies, and the supporting assemblies are arranged between the frame body outer upright rod (2) and the frame body guide rail (3);

a bottom scaffold board (19) is arranged at the lower end part of the outer upright rod (2) of the frame body, a scaffold board (4) is installed on a supporting component at the upper part of the bottom scaffold board (19), and the bottom scaffold board (19) is connected with a lower hanging seat (6);

the lower hanging seat (6) is connected with a driving device (7), the driving device (7) is connected with a bearing support (18) through a lifting guide chain (9), the lifting guide chain (9) is connected with a lifting guide chain (10) at the bearing support (18) through a connecting block, the lifting guide chain (10) is connected with an upper hanging seat (11), and the upper hanging seat (11) is fixed on the upper part of the frame body guide rail (3);

the wall attaching support (15) is provided with a plurality of wall attaching supports and is fixed on the building wall body (1) along the vertical direction, and the frame body guide rail (3) is installed on the wall attaching support (15) in a sliding mode along the vertical direction.

2. Scaffolding lift arrangement according to claim 1, characterized in that a weight sensor (8) is arranged between the lower lifting base (6) and the drive means (7).

3. Scaffolding lift according to claim 1, characterized in that the wall attachment support (15) is fixed with a connection plate (16), which connection plate (16) is in sliding fit with the frame rail (3) by means of rollers (17).

4. The scaffold lifting device according to claim 3, wherein an unloading ejector rod (14) is arranged between the wall-attached support (15) and the frame body guide rail (3), the frame body guide rail (3) is provided with a plurality of clamping grooves along the vertical direction, and the unloading ejector rod (14) is clamped in the clamping grooves.

5. The scaffold lifting device according to claim 1, wherein a mounting seat is fixed on the upper lifting seat (11), a chain guide tensioning device (13) is fixed on the mounting seat, a chain guide mechanism (12) is hinged to the lower portion of the chain guide tensioning device (13), one end of the hoisting guide chain (10) bypasses the chain guide mechanism (12) and is fixed on the bearing support (18) together with the hoisting guide chain (9), and the other end of the hoisting guide chain is connected with the hoisting guide chain (9) through a connecting block.

6. The scaffold lifting device according to claim 5, wherein the bearing support (18) is fixed on the building wall (1) adjacent to the upper lifting seat (11), a connecting block is installed at the end of the bearing support (18) through a pin shaft, and a hoisting guide chain (10) and a lifting guide chain (9) are respectively arranged at the two ends of the connecting block.

7. Scaffolding lift according to claim 1, characterized in that the load bearing support (18) is fixed to the building wall (1) between the upper (11) and lower (6) suspension brackets.

8. Scaffold lifting device according to claim 1, characterized in that the support assembly comprises a Z-support (5) and a triangular support (20), the Z-support (5) and the triangular support (20) being arranged between the frame rail (3) and the frame outer upright (2).

9. The scaffold lifting device according to claim 1, wherein the wall-attached support (15) is provided with an anti-falling assembly (21), the anti-falling assembly comprises a six-gear (21-1) and an anti-falling swinging block (21-2) which are rotatably arranged on the wall-attached support (15), and the six-gear (21-1) is matched with a clamping groove of the frame body guide rail (3); the anti-falling swing block (21-2) is provided with an anti-falling small tongue (21-3), the anti-falling small tongue (21-3) is used for driving the anti-falling swing block (21-2) to swing, a limiting shaft (21-5) used for limiting the anti-falling swing block (21-2) is further fixed on the wall-attached support (15), and the anti-falling swing block (21-2) is reset through a swing block tension spring (21-4).