CN209942709U

CN209942709U - Rotary ladder stand

Info

Publication number: CN209942709U
Application number: CN201920407804.1U
Authority: CN
Inventors: 刘长勇
Original assignee: China Construction Second Engineering Bureau Co Ltd
Current assignee: China Construction Second Engineering Bureau Co Ltd
Priority date: 2019-03-28
Filing date: 2019-03-28
Publication date: 2020-01-14
Anticipated expiration: 2029-03-28

Abstract

A rotary ladder stand is composed of a pedal-type inclined ladder, a vertical ladder with pedal rods and two quickly detachable guardrails, which are assembled quickly. The rotary ladder stand is welded on the angle steel at the edge of the scaffold board of the outer climbing frame through the inclined ladder rotating ring. The pedal type inclined ladder can rotate around the edge of the scaffold board of the outer climbing frame through the inclined ladder rotating ring; the rod type vertical ladder is connected with the pedal type inclined ladder through a vertical ladder rotating ring on the pedal type inclined ladder and can rotate around the pedal type inclined ladder. The utility model discloses sound construction, it is safe in utilization, can follow outward and climb the frame and promote higher construction layer continuous use. Compared with the traditional steel ladder, the rotary ladder does not need repeated disassembly and assembly, reduces the repeated heavy labor force, reduces the labor intensity, improves the working efficiency and accelerates the construction progress. The utility model discloses a rotation type cat ladder can assemble again and continue to have enough to meet the need the use in other projects after dismantling, has practiced thrift manufacturing material and energy, has reduced construction cost. Use the utility model discloses a rotation type cat ladder has satisfied the requirement of national low carbon environmental protection.

Description

Rotary ladder stand

Technical Field

The utility model relates to a ladder especially relates to a rotation type cat ladder of UNICOM building structure layer and outer climbing frame.

Background

In the high-rise building construction process, the prefabricated staircase needs to be installed after the concrete strength of the structural layer reaches the standard, so that the installation of the prefabricated staircase can be delayed from that of the template construction layer to be installed. The prefabricated staircase is not installed on the structural layer, and no channel is available for an operator to preferentially install and dismantle the template from the structural layer to the template construction layer. In actual construction, the scaffold board of the outer climbing frame is higher than the scaffold board of the structural layer, so that the prior method for entering the template construction layer to preferentially install and disassemble the template is to erect a steel pipe ladder between the structural layer and the outer climbing frame, and take the steel pipe ladder as a transfer passage from the structural layer to the scaffold board of the outer climbing frame and then to the template construction layer. Although the steel pipe ladder is generally used, the following disadvantages exist: 1. the steel pipe ladder needs to be erected or dismantled again when the high-rise building is constructed to each floor, so that the utilization rate is low; 2. the steel pipe ladder is repeatedly installed or dismantled, the labor intensity is high, and the construction cost is high; 3. The connecting fasteners among the steel pipe ladder structures are more in number, the connecting tightness of the fasteners is difficult to control, the structural stability is reduced, and the safety is poor; 4. after the installation of steel pipe ladder is accomplished, need to check one by one that the fastener has or not to omit or not hard up, the operation is tedious loaded down with trivial details, wastes time and energy, the easy idle and the emergence personal accident phenomenon that appear. In order to solve the defects, a novel working ladder stand is provided, which is a problem to be solved urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the traditional steel pipe ladder and provide a steel pipe ladder with novel and firm structure and high safety factor; the device is arranged on an outer climbing frame of a construction building at one time, repeated disassembly and assembly are not needed, the workload is low, the labor intensity is low, and the use is safe; the lifting is synchronous with the outer climbing frame, so that the utilization rate is high; the rotary ladder stand can be assembled or disassembled quickly, can be used in a turnover mode, saves energy and reduces construction cost.

The purpose of the utility model is that can realize. The utility model discloses rotation type cat ladder includes a footboard formula inclined ladder, a step rod formula vertical ladder and two quick-release guardrails, the utility model discloses rotation type cat ladder's characterized in that: the top ends of two inclined support columns of the pedal type inclined ladder are respectively welded with an inclined ladder connecting piece formed by bending round steel into 90 degrees, the ends of non-welded sections of the two inclined ladder connecting pieces are opposite and coaxial, the non-welded sections of the two inclined ladder connecting pieces are inserted into tube cavities at two sides of the same round steel tube, the round steel tube forms an inclined ladder rotating ring of the pedal type inclined ladder, the non-welded sections of the two inclined ladder connecting pieces form an inclined ladder rotating shaft, the inclined ladder rotating ring is welded on fixed angle steel at the edge of a scaffold plate of an outer climbing frame, the bottoms of the two inclined support columns of the pedal type inclined ladder are welded with a square steel tube with an exposed cross section fracture, the square steel tube forms an upright ladder rotating ring of the pedal type upright ladder, the top ends of the two upright support columns of the pedal type upright ladder are respectively welded with an upright ladder connecting piece formed by bending round steel into 90 degrees, the ends of the non-welded sections of the two upright ladder connecting pieces are opposite, two found ladder connecting piece non-welded sections insert through standing ladder rotatory ring both sides kerf jointly and found ladder rotatory ring lumen, and two found ladder connecting piece non-welded sections constitute and found the ladder rotation axis.

The utility model discloses rotation type cat ladder, wherein the ladder is found to step on rod formula comprises upper segment ladder and hypomere ladder, and two of upper segment ladder are found the stay and are corresponded two of inserting hypomere ladder and found the stay, and hypomere ladder two are found the stay upper end department and the lower extreme department of upper segment ladder and all are equipped with the bolt hole, and hypomere ladder and upper segment ladder are by first alternate bolt composite connection through respective bolt hole, found the ladder connecting piece and weld the top at the upper segment ladder.

The utility model discloses rotation type cat ladder, wherein the upper end of two bracing posts and the equal position symmetry in both ends that found the rotatory ring of ladder respectively set up a guardrail socket, the upper portion of guardrail socket and all stand bottoms of quick-release guardrail all correspond each other be equipped with the bolt hole, all stands of quick-release guardrail all correspond insert in the guardrail socket and alternate bolt and footboard formula inclined ladder built-up connection through respective bolt hole and second.

The utility model discloses rotation type cat ladder, wherein footboard formula inclined ladder has one around outer climbing frame scaffold edge pivoted rotation orbit through the inclined ladder rotation axis, step on rod formula vertical ladder and have one around vertical ladder rotatory ring pivoted rotation orbit through the vertical ladder pivot.

The utility model discloses rotation type cat ladder and prior art difference lie in the utility model discloses a rotation type cat ladder comprises a footboard formula inclined ladder, a step rod formula vertical ladder and two quick-release guardrails of standard structure welding preparation through fast assembly. The rotary ladder stand is welded on the outer climbing frame through the inclined ladder rotating shaft and the inclined ladder rotating ring. The pedal type inclined ladder can rotate around the edge of the scaffold board of the outer climbing frame through a ladder rotating ring welded on angle steel at the edge of the scaffold board of the outer climbing frame; the rod type vertical ladder is connected with the pedal type inclined ladder through a vertical ladder rotating ring welded below the pedal type inclined ladder and can rotate around the pedal type inclined ladder. The utility model discloses a rotation type cat ladder sound construction, durable, safe in utilization, once the equipment uses the back, can follow outer climbing frame and promote to higher construction layer continuation use. Compared with the traditional steel ladder, the rotary ladder does not need to be repeatedly disassembled and assembled, so that a large amount of repetitive heavy body work is reduced, the labor intensity is reduced, the working efficiency is improved, and the construction progress is accelerated. The utility model discloses a rotation type cat ladder can assemble again and continue to have enough to meet the need the use in other projects after dismantling, has practiced thrift manufacturing material and energy, has reduced construction cost. Use the utility model discloses a rotation type cat ladder has satisfied the requirement of national low carbon environmental protection.

The rotary ladder of the present invention will be further described with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic view of a three-dimensional structure of the rotary ladder of the present invention;

FIG. 2 is a schematic view of the application state of the rotary ladder of the present invention;

fig. 3 is a schematic view of the rotary ladder of the present invention when the rotary ladder is rotated to the scaffold board of the outer climbing frame and lifted together with the outer climbing frame.

Detailed Description

As shown in figure 1, the rotary ladder stand of the utility model is composed of a pedal type inclined ladder 1, a foot stick type vertical ladder 2 and two quick-release guardrails 3 which are welded and manufactured by standard structural members. The utility model discloses rotation type cat ladder makes up back monolithic connection outside on climbing the frame. The utility model discloses in, inclined ladder connecting piece 1.2 that one is buckled into 90 degrees by the round steel and constitutes is respectively welded on two inclined stay 1.1 tops of footboard formula inclined ladder 1. The ends of the non-welded sections of the two inclined ladder connecting pieces 1.2 are mutually opposite and coaxial. Two inclined ladder connecting pieces 1.2 are not welded and inserted into the tube cavities at two sides of the same round steel tube together. The round steel tube forms an inclined ladder rotating ring 1.3 of the pedal type inclined ladder 1. The non-welded sections of the two inclined ladder connecting pieces 1.2 form an inclined ladder rotating shaft. The inclined ladder rotating ring 1.3 is welded on the fixed angle steel at the edge of the scaffold board 4 of the outer climbing frame (see figure 2), and the bottoms of two inclined supporting columns 1.1 of the pedal type inclined ladder 1 are jointly welded with a square steel pipe with an exposed fracture section. The square steel tube forms a vertical ladder rotating ring 1.4 of the step stick type vertical ladder. The top ends of two vertical supporting columns 2.1 of the pedal stick type vertical ladder 2 are respectively welded with a vertical ladder connecting piece 2.2 formed by bending round steel into 90 degrees. The ends of the non-welded sections of the two vertical ladder connectors 2.2 are mutually opposite and coaxial. The non-welding sections of the two vertical ladder connecting pieces 2.2 are inserted into the tube cavity of the vertical ladder rotating ring 1.4 through the incisions on the two sides of the vertical ladder rotating ring 1.4. The non-welding sections of the two vertical ladder connecting pieces 2.2 form a vertical ladder rotating shaft.

As shown in fig. 1, the rung-type vertical ladder 2 is composed of an upper ladder 2.1.1 and a lower ladder 2.1.2. The two vertical struts of the upper ladder section 2.1.1 are correspondingly inserted into the two vertical struts of the lower ladder section 2.1.2. The upper ends of two vertical supporting columns of the lower section ladder 2.1.2 and the lower end of the upper section ladder 2.1.1 are respectively provided with a bolt hole, and the lower section ladder 2.1.2 and the upper section ladder 2.1.1 are combined and connected through a first penetrating bolt 5 through respective bolt holes. The upper ladder 2.1.1 and the lower ladder 2.1.2 can be assembled or disassembled quickly through the first penetrating bolts 5. The vertical ladder connecting piece 2.2 is welded at the top end of the upper section ladder 2.1.1.

As shown in fig. 1, two guardrail sockets 1.5 are respectively arranged at the upper ends of two inclined supporting columns 1.1 and at the two ends of the vertical ladder rotating ring 1.4 in symmetrical positions. The upper part of the guardrail socket 1.5 and the bottoms of all the upright posts of the quick-release guardrail 3 are provided with bolt holes corresponding to each other. All the upright posts of the quick-release guardrail 3 are correspondingly inserted into the guardrail sockets 1.5 and are connected with the pedal type inclined ladder 1 in a combined manner through respective bolt holes and second inserting bolts 6. The quickly-disassembled guardrail 3 and the pedal type inclined ladder 1 can be quickly assembled or disassembled through the second inserting bolts 6.

As shown in fig. 3, the pedal-type inclined ladder 1 of the rotary ladder stand of the present invention has a rotation track around the edge of the scaffold board of the outer climbing frame through the inclined ladder rotation axis. The rod type vertical ladder 2 has a rotating track rotating around a rotating ring 1.4 of the vertical ladder through a rotating shaft of the vertical ladder. When the rotary ladder stand needs to be used on a higher layer, the quick-release guardrail 3 and the lower-section ladder 2.1.2 need to be detached, then the pedal-type inclined ladder 1 and the pedal-stick-type vertical ladder 2 are manually rotated to the upper side of the scaffold board of the outer climbing frame together with the upper-section ladder 2.1.1, and the scaffold board is lifted together with the outer climbing frame to enter the next construction layer for application.

The above-mentioned embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.

Claims

1. The utility model provides a rotation type cat ladder, includes a footboard formula inclined ladder (1), a vertical ladder of step rod formula (2) and two quick-detachable guardrails (3), its characterized in that: the top ends of two inclined supporting columns (1.1) of the pedal type inclined ladder (1) are respectively welded with an inclined ladder connecting piece (1.2) formed by bending round steel into 90 degrees, the ends of non-welded sections of the two inclined ladder connecting pieces (1.2) are opposite and coaxial, the non-welded sections of the two inclined ladder connecting pieces (1.2) are inserted into tube cavities at two sides of the same round steel tube, the round steel tube forms an inclined ladder rotating ring (1.3) of the pedal type inclined ladder (1), the non-welded sections of the two inclined ladder connecting pieces (1.2) form an inclined ladder rotating shaft, the inclined ladder rotating ring (1.3) is welded on fixed angle steel at the edge of an outer climbing frame scaffold board (4), a square steel tube with a section fracture is welded at the bottom of the two inclined supporting columns (1.1) of the pedal type inclined ladder (1) together, the square steel tube forms an upright ladder rotating ring (1.4) of the pedal stick type upright ladder, the top ends of the two upright supporting columns (2.1) of the pedal type upright ladder (2) are respectively welded into an exposed round steel tube (2.2) formed by bending 90 degrees, the end heads of the non-welding sections of the two vertical ladder connecting pieces (2.2) are mutually opposite and coaxial, the two vertical ladder connecting pieces (2.2) are inserted into the tube cavity of the vertical ladder rotating ring (1.4) through the incisions at the two sides of the vertical ladder rotating ring (1.4), and the two vertical ladder connecting pieces (2.2) are formed into vertical ladder rotating shafts in the non-welding sections.

2. The rotary ladder of claim 1, wherein: step on rod formula and found ladder (2) by upper segment ladder (2.1.1) and hypomere ladder (2.1.2) to constitute, two of upper segment ladder (2.1.1) are found the stay and are inserted two of hypomere ladder (2.1.2) and found the stay in corresponding, two of hypomere ladder (2.1.2) are found the stay upper end department and the lower extreme department of upper segment ladder (2.1.1) and are all equipped with the bolt hole, hypomere ladder (2.1.2) and upper segment ladder (2.1.1) are through respective bolt hole by first interlude bolt (5) built-up connection, it welds the top in upper segment ladder (2.1.1) to found ladder connecting piece (2.2).

3. A rotary ladder as claimed in claim 1 or claim 2, wherein: the upper end of two bracing posts (1.1) and the equal position symmetry in both ends that found terraced rotatory ring (1.4) respectively set up a guardrail socket (1.5), the upper portion of guardrail socket (1.5) and all stand bottoms of quick-release guardrail (3) all correspond each other be equipped with the bolt hole, all stands of quick-release guardrail (3) all correspond insert in guardrail socket (1.5) and through respective bolt hole and second interlude bolt (6) and footboard formula inclined ladder (1) built-up connection.

4. The rotary ladder of claim 1, wherein: the pedal type inclined ladder (1) is provided with a rotating track rotating around the edge of an outer climbing frame scaffold plate through an inclined ladder rotating shaft, and the rod type vertical ladder (2) is provided with a rotating track rotating around a vertical ladder rotating ring (1.4) through a vertical ladder rotating shaft.