CN213015341U

CN213015341U - Opening and closing structure for reserved hole of attached scaffold

Info

Publication number: CN213015341U
Application number: CN202021547168.1U
Authority: CN
Inventors: 翦凝敏; 王锐; 周凯; 周军礼; 柴书斌; 李奎; 陈清
Original assignee: China Railway No 5 Engineering Group Co Ltd; Construction Engineering Co Ltd of China Railway No 5 Engineering Group Co Ltd
Current assignee: China Railway No 5 Engineering Group Co Ltd; Construction Engineering Co Ltd of China Railway No 5 Engineering Group Co Ltd
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2021-04-20
Anticipated expiration: 2030-07-30

Abstract

The invention discloses an opening and closing structure for a reserved hole of an attached scaffold, which comprises a skeleton structure formed by keels (1) and a protective net piece (2), wherein the protective net piece (2) is provided with a hole and divided into a left sliding plate and a right sliding plate which are arranged on the left sliding plate and the right sliding plate (3), and the sliding plates (3) are driven to move left and right through a motor (8). The invention specially designs an L-shaped electric track sliding door of a wall-attached reserved hole of a climbing frame tower crane, and an electric sliding device is adopted to keep a closed state at the hole opening before the climbing frame is lifted and after climbing is finished; after the sliding door is installed, the sliding door can be opened and closed at any time without manual operation. The problem of the entrance to a cave because of attaching the wall to draw the node and temporarily unable to seal, cause a great deal of potential safety hazard and construction inconvenience is solved, solved simultaneously because of manual operation inconvenience, waste time and energy inefficiency scheduling problem.

Description

Opening and closing structure for reserved hole of attached scaffold

Technical Field

The invention relates to a protective mesh mounting structure of a climbing frame.

Background

In the construction of high-rise buildings or super high-rise buildings, the attached all-steel lifting scaffold with higher safety performance must gradually replace the traditional steel pipe fastener type scaffold, and meanwhile, the problem that the attached scaffold effectively penetrates through the wall-attached tie part of the tower crane in the climbing stage is solved. According to the standard requirement of the attached scaffold, the total height of the frame body is not more than 5 times of the layer height, and the total height is not more than 18m. Traditional construction process, tower crane attaches the wall and climbs a facade interlude and need leave the hole, climbs a scaffold board simultaneously and also need the disconnection, waits to climb next promotion and avoids the tower crane to attach the wall position after, operating personnel can resume scaffold board and turn over the board again, closes and climbs a facade door opening. The following disadvantages mainly exist: 1. a climbing frame reserved hole at the position where the tower crane is attached to the wall cannot be closed for a long time, and potential safety hazards of falling objects at high altitude exist; 2. before and after climbing, the scaffold boards are required to be manually opened and restored by operators to be capable of climbing and closing the vertical face opening of the frame, so that the operation is inconvenient and the potential safety hazard is large. 3. The secondary structure of the outer wall of the related part and the masonry are inconvenient to construct and lack of safety protection. 4. The tower crane attaches the wall and draws node opening to leave a hole, causes to climb the frame and seals untight, influences and climbs frame overall stability. 5. The overall appearance effect of the outer vertical surface of the climbing frame is influenced.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the climbing frame structure capable of automatically opening and closing the reserved hole is provided for the problems that the tower crane is attached to the wall and the climbing frame vertical face is inserted.

The technical scheme of the invention is as follows:

the utility model provides an inserted scaffold reserves entrance to a cave switching structure, includes skeleton texture and the protection net piece that fossil fragments constitute, and the trompil is divided into about and two and installs on two slides on the left and right sides on the protection net piece, moves about through motor drive slide.

The slide is installed on the slide rail, and the H type pulley cooperation of installation on slide rail and the fossil fragments, the surface mounting rack of slide, the output gear cooperation of rack and motor.

The protective net sheet is erected on the outer side of the sliding plate, and the inner side of the sliding plate is hinged with a baffle.

The H-shaped pulley rotating shaft is vertically arranged on the keel, the side faces of the sliding rails are matched with the waist of the H-shaped pulley, and each sliding rail at least needs two H-shaped pulleys to bear.

The length of overhanging when the slide plate and the slide rail move to the maximum stroke is less than 1 meter.

The motor is provided with a remote controller.

The invention has the beneficial effects that:

the invention specially designs an L-shaped electric track sliding door of a wall-attached reserved hole of a climbing frame tower crane, and an electric sliding device is adopted to keep a closed state at the hole opening before the climbing frame is lifted and after climbing is finished; after the sliding door is installed, the sliding door can be opened and closed at any time without manual operation. The problem of the entrance to a cave because of attaching the wall to draw the node and temporarily unable to seal, cause a great deal of potential safety hazard and construction inconvenience is solved, solved simultaneously because of manual operation inconvenience, waste time and energy inefficiency scheduling problem.

A hole is reserved accurately according to the cross section size of the tower crane wall-attached wall-penetrating climbing frame, so that the climbing frame vertical surface and the tower crane wall-attached wall are penetrated tightly, and the outer vertical surface is sealed tightly. Effectively solves the problems of potential safety hazards such as untight sealing of the opening, falling of the high layer and the like. In high-rise or super high-rise buildings, the method has very good practical effect, and the L-shaped track sliding door can solve the problem that the construction of a main structure and a secondary structure is alternated. And the whole tightness and stability of the climbing frame are ensured, the appearance effect of the outer vertical surface of the climbing frame is enhanced, and the whole outer vertical surface is attractive and elegant.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the mounting structure of the slide rail.

Fig. 3 is a schematic view of the motor transmission structure.

Detailed Description

Examples

As shown in figure 1, a sliding plate 3 is arranged on a rectangular frame consisting of two sliding rails 7 and a cross beam, a protective net piece 2 is vertically arranged on the outer side of the sliding plate 3, so that an L-shaped sliding door is formed, two L-shaped sliding doors are arranged at the reserved opening, and the protective net piece 2 is provided with an opening according to the shape of a tower crane wall-attached structure 5. The slide rails 7 are installed through the H-shaped pulleys 6, the H-shaped pulleys 6 are installed on the keels 1, the rotating shafts are vertical, the rolling surfaces are inward, and the slide rails 7 on the two sides of the sliding plate 3 are clamped at the waist parts of the rollers of the H-shaped pulleys 6. A rack 9 is fixed at the bottom of the sliding plate 3, the rack 9 is matched with an output gear 10 of a motor 8, the motor 8 is fixed on the climbing frame, and the sliding plate 3 is driven to move left and right through the forward and reverse rotation of the motor 8.

The specific installation steps are as follows:

the first step is as follows: need attach the wall installation parameter requirement according to the tower crane and carry out drawknot accurate positioning, guarantee to climb the frame and reserve the electronic sliding door plane of entrance to a cave L type and arrange accurately, not with the frame pole setting of climbing, the lead rail main frame condition in advance of "putting up".

The second step is that: determining the sizes of the insertion holes of the electric sliding door and the tower crane wall attachment: and determining the opening size of the electric sliding door according to the pulling angle of the attached wall and the concrete member of the outer wall. Climb a pole setting interval and be not more than 2.0m, every step height is 1.8m, climbs a standard net piece modulus size according to full steel and is: 2000mm is 1800mm, and the design section size of the electric sliding door is as follows: 2000mm 1800mm (single electric sliding door size 990mm 1800 mm). In order to ensure that the pulling point of the attached wall has a room for adjusting the angle in the horizontal direction, the reserved width of the opening is slightly larger than the section size of the wall-attached climbing frame. Taking an example of the cross section size of the wall-attached drawknot rod piece being 400mm x 400mmw, and setting the height of the reserved hole of the climbing net piece according to 500 mm.

The third step: the L-shaped electric sliding door track and the H-shaped pulley 6 are installed, and the electric sliding door is driven by the H-shaped pulley 6 to respectively slide towards two sides for opening and closing. Fixing mode of the sliding rail 7 of the sliding door: 1. after two phi 16 holes are formed in the side surface of the vertical rod of 50 x 70 of the original climbing frame system by adopting a manual electric drill, H-shaped pulleys are respectively installed on the side surfaces of the vertical rods in the front row and the rear row. Each H-shaped pulley is connected with each other by two M16 high-strength screws. 2. The distance between the front row of H-shaped track pulleys and the rear row of H-shaped track pulleys is 600mm, and is as wide as the distance between the transverse vertical rods of the climbing frame. Adopt 5# channel-section steel preparation slide rail 7 and bottom horizontal pole and little horizontal pole, 7 both sides of slide rail are firm with 6 blocks of H type pulley respectively. 3. In order to maintain the safety and stability of the sliding door, the sliding rails 7 extend to both sides by a span distance (2000 mm). The overhanging part of the electric sliding track opening door is not more than 1000 m.

The fourth step: installation of the L-shaped sliding door: 1. after the 5# channel steel slide rail 7 is installed, the slide plate 3 is laid on the channel steel slide rail 7 in a 550 mm-3 mm pattern steel plate, and the pattern steel plate is fully welded with the 5# channel steel after 30mm is reserved from two sides of the pattern steel plate to the outer side of the track. 2. The protection net piece 2 which is manufactured in advance and is provided with the reserved hole is fixed with the edge of the sliding rail 7 through angle steel of 30mm x 30mm, and the rivet is generally adopted to be anchored with the outer side of the channel steel. The rivet spacing must not be greater than 300 mm. 3. Baffle 4 between slide 3 and the outer wall adopts the decorative pattern steel sheet with the material to pass through hinge connection, plays the confined purpose.

The fifth step: the bottom of the sliding plate 3 is provided with a gear chain, and the motor 8 is arranged at the bottom of the small cross rod of the climbing frame. Each sliding door is provided with a motor 8 with remote control installation, so that the remote control closing and opening functions are realized.

And a sixth step: and after the 1-layer sliding door is installed, installing the 2-layer to 3-layer electric sliding doors according to the steps 2-5. And (5) checking the screw connection and the firmness of the welding point of each component, and debugging and then inputting.

Claims

1. The utility model provides an attached scaffold reserves entrance to a cave switching structure, includes skeleton texture and protection net piece (2) that fossil fragments (1) constitute, its characterized in that: the protective net piece (2) is provided with a hole and divided into a left sliding plate and a right sliding plate (3), and the left sliding plate and the right sliding plate are arranged on the left sliding plate and the right sliding plate (3) and are driven to move left and right by a motor (8).

2. The opening and closing structure for the reserved hole of the attached scaffold as claimed in claim 1, wherein: slide (3) are installed on slide rail (7), and H type pulley (6) cooperation of installation on slide rail (7) and fossil fragments (1), slide (3) lower surface installation rack (9), rack (9) and output gear (10) cooperation of motor (8).

3. The opening and closing structure for the reserved hole of the attached scaffold as claimed in claim 2, wherein: the protective net (2) is erected at the outer side of the sliding plate (3), and the inner side of the sliding plate (3) is hinged with a baffle (4).

4. The opening and closing structure for the reserved hole of the attached scaffold as claimed in claim 2, wherein: the vertical installation of H type pulley (6) pivot is on fossil fragments (1), and the waist cooperation of slide rail (7) side and H type pulley (6), every slide rail (7) need two H type pulleys (6) at least to carry out the bearing.

5. The opening and closing structure for the reserved hole of the attached scaffold as claimed in claim 4, wherein: the overhanging length of the sliding plate (3) and the sliding rail (7) is less than 1 meter when the sliding plate and the sliding rail move to the maximum stroke.

6. The attached scaffold reserved hole opening and closing structure according to any one of claims 1 to 5, wherein: the motor (8) is provided with a remote controller.