CN111021702A

CN111021702A - Lifting scaffold unit

Info

Publication number: CN111021702A
Application number: CN201911360079.8A
Authority: CN
Inventors: 黄开友; 黄婷; 黄泰杰; 黄泰潆
Original assignee: Shaanxi Kaiyou Industry Co ltd
Current assignee: Shaanxi Kaiyou Industry Co ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-04-17

Abstract

The invention provides a lifting scaffold unit, which comprises a plurality of wall-attached supports, a main frame, a lifting track and an electric chain guide mechanism, wherein the plurality of wall-attached supports are arranged on a building wall at intervals along the vertical direction; the main frame and the lifting track are fixedly connected with each other, and the lifting track is slidably arranged on the plurality of wall-attached supports along the vertical direction; the electric chain guide mechanism is connected with the wall attaching support, the main frame and the lifting track to drive the main frame and the lifting track to synchronously ascend or descend relative to the wall attaching support. Thereby can realize scaffold frame automatic rising in the building work progress, simple and convenient effectively improves the efficiency of construction. The problem of scaffold among the prior art raise the efficiency lower is solved.

Description

Lifting scaffold unit

Technical Field

The invention relates to the field of building construction equipment, in particular to a lifting scaffold unit.

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. In the prior art, when the scaffold is lifted, the scaffold at the lower part is generally dismantled and then rebuilt at a required height or fixed after being lifted by means of external lifting equipment, so that the process is very troublesome, and the construction efficiency is seriously restricted.

Disclosure of Invention

The invention mainly aims to provide a lifting scaffold unit, which at least solves the problem of low lifting efficiency of a scaffold in the prior art.

In order to achieve the above object, the present invention provides a lifting scaffold unit comprising: the wall-attached supports are multiple and are used for being installed on the building wall body at intervals in the vertical direction; the lifting track is slidably arranged on the plurality of wall-attached supports along the vertical direction; and the electric chain guide mechanism is connected with the wall attaching support, the main frame and the lifting track so as to drive the main frame and the lifting track to synchronously ascend or descend relative to the wall attaching support.

Further, the electronic chain guide mechanism includes: the electric hoist is arranged on the main frame; the first chain guide mechanism is arranged on the lifting track; the second chain guide mechanism is arranged on the wall-attached support; the first end of the chain is fixedly wound on a winding drum of the electric hoist, and the second end of the chain sequentially winds around the first chain guide mechanism and the second chain guide mechanism and is fixedly connected with the lifting track or the first chain guide mechanism; when the electric hoist works, the main frame and the lifting track are pulled by the chain to synchronously ascend or descend relative to the wall-attached support.

Furthermore, a first hanging ring is arranged on the main frame; the electric hoist is provided with a first hook, and the electric hoist is hung on the first hanging ring through the first hook.

Furthermore, two opposite reinforcing plates are arranged on the main frame, and the first hanging ring is welded on the two reinforcing plates.

Further, the first chain guide mechanism includes: the first chain wheel seat is fixedly arranged on the lifting track; the first chain wheel is rotatably arranged on the first chain wheel seat through a pin shaft; wherein, the chain is wound on the first chain wheel, and the second end of the chain is fixedly connected with the first chain wheel seat.

Furtherly, be provided with the second link on attaching the wall support, the chain mechanism is led to the second includes: the second hook is hung on the second hanging ring; the second chain wheel seat is connected with the second hook; the second chain wheel is rotatably arranged on the second chain wheel seat through a pin shaft; wherein the chain is wound around the second sprocket.

Further, the first chain wheel and the second chain wheel are both polygonal chain wheels.

Furthermore, chain grooves are formed in the first chain wheel and the second chain wheel, are formed in the circumferential direction of the first chain wheel and the second chain wheel, and are located at the center of the first chain wheel and the second chain wheel in the thickness direction.

Furthermore, the wall-attached support is provided with two supporting arms; wherein, be provided with the crosspiece pole on the second link, the second link passes through crosspiece pole detachably to be installed on two support arms.

Further, the lifting scaffold unit further comprises: and the bottom truss is arranged at the bottom end of the main frame and is vertical to the main frame.

The lifting scaffold unit comprises a plurality of wall attaching supports, a main frame, a lifting track and an electric chain guide mechanism, wherein the plurality of wall attaching supports are arranged on a building wall at intervals in the vertical direction; the main frame and the lifting track are fixedly connected with each other, and the lifting track is slidably arranged on the plurality of wall-attached supports along the vertical direction; the electric chain guide mechanism is connected with the wall attaching support, the main frame and the lifting track to drive the main frame and the lifting track to synchronously ascend or descend relative to the wall attaching support. Thereby can realize scaffold frame automatic rising in the building work progress, simple and convenient effectively improves the efficiency of construction. The problem of scaffold among the prior art raise the efficiency lower is solved.

Drawings

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

fig. 1 is a schematic structural view of an alternative lifting scaffold unit according to an embodiment of the invention from a first perspective;

fig. 2 is a schematic structural view of an alternative lifting scaffold unit from a second perspective according to an embodiment of the invention; and

fig. 3 is a schematic structural view of a first chain guide mechanism of an alternative lifting scaffold unit according to an embodiment of the present invention.

Wherein the figures include the following reference numerals:

10. a wall-attached support; 11. a support arm; 20. a main frame; 21. erecting a rod; 22. a connecting frame; 23. a reinforcing plate; 30. a lifting rail; 40. an electric chain guide mechanism; 41. an electric hoist; 42. a first chain guide mechanism; 421. a first sprocket seat; 422. a first sprocket; 43. a second chain guide mechanism; 431. a second hook; 432. a second sprocket seat; 433. a second sprocket; 44. a chain; 45. a first hook; 50. a chain groove; 60. a first suspension loop; 70. a second suspension loop; 71. a crossbar; 80. a bottom truss; 90. and (7) supporting.

Detailed Description

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

The lifting scaffold unit according to the embodiment of the present invention, as shown in fig. 1 and 2, includes a plurality of wall-attached supports 10, a main frame 20, a lifting rail 30, and an electric chain guide mechanism 40, wherein the plurality of wall-attached supports 10 are used to be installed on a building wall at intervals in a vertical direction; the main frame 20 and the lifting rail 30 are fixedly connected with each other, and the lifting rail 30 is slidably installed on the plurality of wall-attached supports 10 in a vertical direction; the electric chain guide mechanism 40 is connected with the wall-attached support 10, the main frame 20 and the lifting rail 30 to drive the main frame 20 and the lifting rail 30 to synchronously ascend or descend relative to the wall-attached support 10. Thereby can realize scaffold frame automatic rising in the building work progress, simple and convenient effectively improves the efficiency of construction. The problem of scaffold among the prior art raise the efficiency lower is solved.

In specific implementation, the lifting scaffold unit further includes a bottom truss 80, and the bottom truss 80 is installed at the bottom end of the main frame 20 and is perpendicular to the main frame 20. The main frame 20 includes two uprights 21 and a plurality of coupling frames 22 coupling the two uprights 21 to each other, the two uprights 21 being parallel to each other, and the plurality of coupling frames 22 being positioned between the two uprights 21 to couple the two uprights 21 to each other. Optionally, the upright posts 21 are made of square steel, the connecting frame 22 is of a "Z" shaped structure, two ends of the connecting frame 22 are respectively provided with a groove-shaped connecting head and a vertical connecting rod connected with the square steel, and the groove-shaped connecting head and the vertical connecting rod are respectively connected with the bolt holes of the two upright posts 21 through bolts.

The lifting track 30 comprises two channel steels and a plurality of small cross rods for connecting the two channel steels, the two channel steels are parallel to each other, notches of the two channel steels deviate from each other, the small cross rods are parallel to each other and arranged at equal intervals, two ends of the small cross rods correspond to the two channel steels respectively and are connected with the two channel steels, and the two channel steels are connected with the main frame 20 through connecting plates and towards one vertical rod of the building wall body, and the two channel steels are parallel to each other. Attach wall support 10 and have two support arms 11, the front end of two support arms 11 is provided with many to one a corresponding dop structure, thereby make main frame 20 can attach wall support 10 and slide from top to bottom relatively in the notch of two channel-section steels is gone into to many pairs of dop structures correspondence slidable card. Each wall-attached support 10 is further provided with a top support 90, the lower end of the top support 90 is hinged to the wall-attached support 10, the upper end of the top support 90 is provided with a clamping groove, and after the main frame 20 and the lifting rail 30 synchronously ascend or descend to a preset height, the clamping groove at the upper end of the top support 90 is clamped on a small cross rod on the lifting rail 30 through upward rotation of the top support on each wall-attached support 10, so that the main frame 20 and the lifting rail 30 are locked at the preset height.

Further, the electric chain guide mechanism 40 includes an electric hoist 41, a first chain guide mechanism 42, a second chain guide mechanism 43, and a chain 44. The electric hoist 41 is installed on the main frame 20, the first chain guide mechanism 42 is installed on the lifting track 30, the second chain guide mechanism 43 is installed on the wall-attached support 10, the first end of the chain 44 is fixedly wound on the winding drum of the electric hoist 41, and the second end of the chain 44 is fixedly connected with the lifting track 30 or the first chain guide mechanism 42 after sequentially winding around the first chain guide mechanism 42 and the second chain guide mechanism 43; when the electric hoist 41 works, the main frame 20 and the lifting rail 30 are pulled by the chain 44 to synchronously ascend or descend relative to the wall-attached support 10.

Specifically, two opposite reinforcing plates 23 are arranged on one of the connecting frames 22 on the main frame 20, a first hanging ring 60 is welded on the two reinforcing plates 23, the electric hoist 41 is provided with a first hook 45, and the electric hoist 41 is hung on the first hanging ring 60 through the first hook 45. The first chain guiding mechanism 42 comprises a first chain wheel seat 421 and a first chain wheel 422, and the first chain wheel seat 421 is fixedly installed on the lifting track 30; the first sprocket 422 is rotatably mounted on the first sprocket seat 421 through a pin; the wall-attached support 10 is provided with a second hanging ring 70, the second hanging ring 70 is provided with a transverse bar 71, the second hanging ring 70 is detachably arranged on the two support arms 11 through the transverse bar 71, the second chain guide mechanism 43 comprises a second hook 431, a second chain wheel seat 432 and a second chain wheel 433, and the second hook 431 is hung on the second hanging ring 70; the second sprocket seat 432 is connected with a second hook 431; the second chain wheel 433 is rotatably mounted on the second chain wheel seat 432 through a pin shaft; the height of the installation position of the first chain guide mechanism 42 is the lowest, the height of the installation position of the second chain guide mechanism 43 is the highest, the installation position of the electric hoist 41 is located between the first chain guide mechanism 42 and the second chain guide mechanism 43, the first end of the chain 44 is fixedly wound on the winding drum of the electric hoist 41, so that the chain 44 can be pulled or the chain 44 can be loosened in the rotation process of the winding drum, the second end of the chain 44 extends downwards, then is wound on the first chain wheel 422, extends upwards, then is wound on the second chain wheel 433, and the second end of the chain 44 extends downwards again after being wound on the second chain wheel 433 and is connected with the first chain wheel seat 421. When the drum of the electric block 41 rotates in the first direction, the portion of the chain 44 located outside the electric block 41 is gradually shortened, so as to pull the main frame 20 and the lifting rail 30 to ascend synchronously; when the drum of the electric block 41 rotates in the second direction, the portion of the chain 44 located outside the electric block 41 gradually increases, so that the main frame 20 and the lifting rail 30 are lowered in synchronization.

Further, the first sprocket 422 and the second sprocket 433 are both polygonal sprockets, and optionally, the first sprocket 422 and the second sprocket 433 are both pentagonal sprockets; as shown in fig. 3, the first sprocket 422 and the second sprocket 433 are both provided with a chain groove 50, and the chain groove 50 is provided around the circumferential direction of the first sprocket 422 and the second sprocket 433 and is located at the center position of the first sprocket 422 and the second sprocket 433 in the thickness direction. A portion of the link structure of the chain 44 snaps into the link slot 50, thereby reducing slip between the chain 44 and the first and

second sprockets

422 and 433.

When actually putting up the scaffold, with the horizontal interconnect of a plurality of this embodiment's lifting scaffold unit along building wall, the complete scaffold can be put up to the layer connection scaffold board of subdividing.

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

Claims

1. A lifting scaffold unit, comprising:

the wall-attached support comprises a plurality of wall-attached supports (10), and the wall-attached supports (10) are arranged on a building wall at intervals along the vertical direction;

a main frame (20) and a lifting track (30), wherein the main frame (20) and the lifting track (30) are fixedly connected with each other, and the lifting track (30) is slidably installed on the plurality of wall-attached supports (10) along the vertical direction;

the electric chain guide mechanism (40) is connected with the wall-attached support (10), the main frame (20) and the lifting rail (30) to drive the main frame (20) and the lifting rail (30) to synchronously ascend or descend relative to the wall-attached support (10).

2. A lifting scaffold unit according to claim 1, characterized in that the electrically powered chain guide mechanism (40) comprises:

an electric hoist (41) mounted on the main frame (20);

a first chain guide mechanism (42) mounted on the lifting rail (30);

the second chain guide mechanism (43) is arranged on the wall-attached support (10);

a first end of the chain (44) is fixedly wound on a winding drum of the electric hoist (41), and a second end of the chain (44) sequentially bypasses the first chain guide mechanism (42) and the second chain guide mechanism (43) and is fixedly connected with the lifting track (30) or the first chain guide mechanism (42);

when the electric hoist (41) works, the main frame (20) and the lifting track (30) are pulled by the chain (44) to synchronously ascend or descend relative to the wall-attached support (10).

3. A scaffolding unit according to claim 2, characterized in that the main frame (20) is provided with a first suspension loop (60);

the electric hoist (41) is provided with a first hook (45), and the electric hoist (41) is hung on the first hanging ring (60) through the first hook (45).

4. A scaffolding unit according to claim 3, characterized in that the main frame (20) is provided with two opposite reinforcement plates (23), and the first suspension loop (60) is welded to both reinforcement plates (23).

5. A lifting scaffold unit according to claim 2, characterized in that the first chain guide mechanism (42) comprises:

a first chain wheel seat (421) fixedly arranged on the lifting track (30);

the first chain wheel (422) is rotatably arranged on the first chain wheel seat (421) through a pin shaft;

wherein the chain (44) is wound on the first chain wheel (422), and the second end of the chain (44) is fixedly connected with the first chain wheel seat (421).

6. A lifting scaffold unit according to claim 5, characterized in that a second suspension loop (70) is provided on the wall attachment support (10), the second chain guide mechanism (43) comprising:

a second hook (431) which is hung on the second hanging ring (70);

a second sprocket seat (432) connected to the second hook (431);

the second chain wheel (433) is rotatably arranged on the second chain wheel seat (432) through a pin shaft;

wherein the chain (44) is wound around the second sprocket (433).

7. A lifting scaffold unit according to claim 6, characterized in that the first and second sprockets (422, 433) are both polygonal sprockets.

8. The lifting scaffold unit according to claim 7, characterized in that the first sprocket (422) and the second sprocket (433) are each provided with a chain groove (50), and the chain groove (50) is provided around the first sprocket (422) and the second sprocket (433) and is located at the center of the first sprocket (422) and the second sprocket (433) in the thickness direction.

9. A lifting scaffold unit according to claim 6, characterized in that the wall attachment support (10) has two support arms (11);

the second hanging ring (70) is provided with a transverse blocking rod (71), and the second hanging ring (70) is detachably mounted on the two supporting arms (11) through the transverse blocking rod (71).

10. The lifting scaffold unit of claim 1, further comprising:

a bottom truss (80), the bottom truss (80) is installed at the bottom end of the main frame (20) and is perpendicular to the main frame (20).