CN215167940U

CN215167940U - Integral type high strength aluminum alloy cat ladder

Info

Publication number: CN215167940U
Application number: CN202121597732.5U
Authority: CN
Inventors: 胡海宁; 魏建强; 张文马
Original assignee: Tianjin Dingweigu Mold Works Co ltd
Current assignee: Tianjin Dingweigu Mold Works Co ltd
Priority date: 2021-07-14
Filing date: 2021-07-14
Publication date: 2021-12-14
Anticipated expiration: 2031-07-14

Abstract

The utility model relates to a cat ladder equipment technical field provides integral type high strength aluminum alloy cat ladder. The utility model discloses an integral type high strength aluminum alloy cat ladder, include: ladder roof beam, footboard hook and locking plate subassembly, ladder roof beam, footboard adopt the aluminum alloy material, and through a plurality of footboard fixed connection that are parallel to each other between two sets of ladder roof beams, ladder roof beam both ends fixedly connected with footboard hook is installed and is provided with the locking plate subassembly on the footboard hook on one of them a set of ladder roof beam, the utility model discloses whole appearance is small, and the outward appearance is graceful, can prevent to turn on one's side when using to have multiple specification, wholly use the aluminum alloy material, therefore light in weight, durable, be not afraid of the corruption, adopt whole welding forming, therefore intensity is high, and transportation that can also integrate is convenient.

Description

Integral type high strength aluminum alloy cat ladder

Technical Field

The utility model relates to a cat ladder equipment technical field has especially related to integral type high strength aluminum alloy cat ladder.

Background

Scaffolding, also known as scaffolding, is a temporary construction tool used to support buildings or structures being erected or rebuilt, and also used for large mobile objects such as ships. Typically a modular tool consisting of metal conduits. In order to facilitate the up-and-down walking and climbing of workers, a ladder stand is usually arranged inside a built scaffold.

The patent of CN201120204577.6 discloses a portable temporary ladder for building, which comprises a fixed steel plate, an arc-shaped connecting hook, a step, a fixing nut, a ladder frame and a base, wherein the fixed steel plate is fixed on the inner side of the ladder frame in order, and the upper part of the fixed steel plate fixes the step through the fixing nut; the lower end of the ladder frame is provided with a screw hole, and the upper end of the base is inserted into the ladder frame and is fixedly connected with the ladder frame through a fixing nut; the upper end of the ladder frame is fixed with an arc-shaped connecting hook, and the ladder stand disclosed by the patent publication has the advantages of simple structure, more parts, slightly high cost, heavy weight and unstable bottom of the ladder frame.

For example, CN201420823539.2 discloses a ladder stand for combined scaffold, which has the main technical scheme that: the ladder comprises two ladder frames which are arranged in a mirror image manner; the first hook is fixedly arranged at the top of the ladder frame, and the second hook is arranged at the bottom of the ladder frame; and from last evenly distributed down the running-board between the ladder frame, running-board fixed connection is in on the ladder frame inside wall, when footboard one side bore gravity, the ladder frame can receive outside torsional force, leads to the ladder frame to turn on one's side, produces the incident.

In summary, although the ladder stand in the prior art has a simple structure, the ladder stand has many parts, is slightly high in cost, is relatively heavy, and is unstable at the bottom of the ladder stand, and when one side of the pedal bears gravity, the ladder stand can be subjected to an outward torsional force, so that the ladder stand turns on one side, and safety accidents are caused.

SUMMERY OF THE UTILITY MODEL

Although simple in order to solve among the prior art cat ladder structure, the part is more, and the cost is higher slightly, and is heavier moreover, and ladder frame bottom is shakiness to when footboard one side bears gravity, the ladder frame can receive the torsional force to the outside, leads to the ladder frame to turn on one's side, produces the problem of incident, the utility model provides an integral type high strength aluminum alloy cat ladder solves this problem.

Integral type high strength aluminum alloy cat ladder includes: ladder roof beam, footboard hook and locking plate subassembly are through a plurality of footboard fixed connection that are parallel to each other between two sets of ladder roof beams, and ladder roof beam both ends fixedly connected with footboard hook is installed and is provided with the locking plate subassembly on the footboard hook on one of them set of ladder roof beam.

Preferably, the upper surface of the pedal is provided with anti-skid lines.

Preferably, the pedal hook includes: the installation end and couple end, installation end and ladder beam tip fixed connection install the couple of the footboard hook on one of them group ladder beam and serve and be provided with the locking plate subassembly, the locking plate subassembly uses with the cooperation of footboard hook.

Preferably, the cleat assembly includes: the anti-wind pedal comprises an arc-shaped lock plate and an anti-wind pin, wherein a sliding groove is formed in the arc-shaped lock plate, the anti-wind pin is fixedly connected with a hook end of a pedal hook, and the arc-shaped lock plate is limited to slide on the anti-wind pin through the sliding groove.

Preferably, the lower end of the sliding chute is provided with a crutch opening.

Preferably, the ladder beam and the pedal are made of aluminum alloy, the thickness of the ladder beam is 4-5 mm, and the thickness of the pedal is 2-3 mm.

The utility model has the advantages that: ladder roof beam and footboard adopt aluminum alloy ex-trusions, the integral type welding, light in weight does not have the parts, convenient transportation, and be not afraid of the corruption, the footboard upper surface is provided with the effectual coefficient of friction that improves when rainy day, snow day use of anti-skidding line, avoids taking place the incident, and ladder roof beam one end is equipped with the footboard hook of taking the locking piece subassembly, can lock the aluminium cat ladder on the scaffold frame horizontal pole, prevents that the aluminium cat ladder from turning on one's side.

Drawings

FIG. 1 is a side view of the first angle of the present invention;

FIG. 2 is a schematic structural view of the pedal hook of the present invention;

fig. 3 is a front view of the locking plate assembly of the present invention;

fig. 4 is a front view of the arc-shaped locking plate of the present invention;

1. a ladder beam; 2. a pedal; 3. a pedal hook; 4. a locking plate assembly; 21. anti-skid lines; 31. an installation end; 32. a hooking end; 41. an arc-shaped locking plate; 42. a wind-proof pin; 411. a chute; 4111. a corner opening.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that the installation manners and technical terms mentioned in the present invention are technical terms that have been clearly known in the technical field, and thus, the explanation thereof is not repeated. Moreover, the same reference numerals are used for the same components, which do not affect and should not constitute an exact understanding of the technical solutions for a person skilled in the art.

The first embodiment is described with reference to fig. 1:

integral type high strength aluminum alloy cat ladder includes: ladder roof beam 1, footboard 2, footboard hook 3 and locking plate subassembly 4, 2 fixed connection of a plurality of footboards through being parallel to each other between two sets of

ladder roof beams

1, 1 both ends fixedly connected with footboard hook 3 of ladder roof beam, install and be provided with locking plate subassembly 4 on footboard hook 3 on one set of ladder roof beam 1 wherein, so set up, ladder roof beam 1 and footboard 2 adopt integral welding, not only can reduce the appearance volume of this product, and light in weight, do not have parts, convenient integrated transportation adopts footboard hook 3 and locking plate subassembly 4 cooperation, can lock this product on the scaffold frame horizontal pole, prevent that this product from turning on one's side.

In the second embodiment, the following is described with reference to fig. 1 on the basis of the first embodiment:

the upper surface of the pedal 2 is provided with the anti-slip lines 21, so that the friction coefficient of the pedal in use in rainy and snowy days can be effectively improved, and safety accidents are avoided.

In the third embodiment, on the basis of the first embodiment, the following description is made with reference to fig. 2 and 3:

the pedal hook 3 includes: installation end 31 and couple end 32,

installation end

31 and 1 tip fixed connection of ladder beam, install the couple end 32 downside of pedal hook 3 on one of them set of ladder beam 1 and be provided with locking plate subassembly 4, locking plate subassembly 4 uses with the cooperation of pedal hook 3, so sets up, and the installation end 31 of pedal hook 3 adopts the bolt and nut equipment to form with the ladder beam, and couple end 32 downside is provided with locking plate subassembly 4 and is used for locking this product on the scaffold frame horizontal pole.

In a fourth embodiment, the following is explained with reference to fig. 3 on the basis of the third embodiment:

the locking plate assembly 4 includes: arc jam plate 41 and prevent wind round pin 42 are provided with spout 411 on the arc jam plate 41, prevent wind round pin 42 and the couple end 32 of footboard hook 3 and pass through rivet connection, and arc jam plate 41 is restricted to slide on preventing wind round pin 42 through spout 411, so sets up, can follow spout 411 lapse arc jam plate 41 with this product locking on the scaffold frame horizontal pole, follow spout 411 lapse and with this product unblock.

In the fifth embodiment, the following description is made with reference to fig. 4 on the basis of the fourth embodiment:

spout 411 lower extreme is provided with turns mouthful 4111, so sets up, when not using locking plate subassembly 4 to carry out the chucking, upwards slides arc jam plate 41 along spout 411, will prevent wind round pin 42 and slide to turning mouthful 4111 in, locks arc jam plate 41 and is fixed on footboard hook 3 this moment, avoids arc jam plate 41 to rock along preventing wind round pin 42 when not using.

In a sixth embodiment, the following is described with reference to fig. 1 on the basis of the first embodiment:

terraced roof beam 1 and footboard 2 are the aluminum alloy material, and terraced roof beam 1 thickness is 4 ~ 5mm, and 2 thicknesses of footboard are 2 ~ 3mm, so set up, can reduce the appearance volume of whole product, use the aluminum alloy material to make this product light in weight, be not afraid of the corruption, durable.

The utility model discloses a theory of operation: the utility model is fixed and clamped on the scaffold cross bar by using the pedal hook 3 and the locking plate component 4, when the locking plate component 4 is not used for clamping, the arc-shaped locking plate 41 slides upwards along the chute 411, the windproof pin 42 slides into the corner 4111, at the moment, the locking arc-shaped locking plate 41 is fixed on the pedal hook 3, the arc-shaped locking plate 41 is prevented from shaking along the windproof pin 42 when not used, when the locking plate component 4 is used for clamping, a worker pulls the arc-shaped locking plate 41 to be separated from the corner 4111 and slides downwards along the chute 411 to lock the product on the scaffold cross bar, after the use is finished, the worker slides upwards along the chute 411 to unlock the product, and slides the windproof pin 42 into the corner 4111 for fixing, the worker can lock the utility model on the scaffold cross bar, the aluminum ladder stand can be effectively prevented from side turning, the safety accident can be effectively avoided by using the antiskid veins 21, through the integral welding of ladder roof beam 1 and footboard 2 that uses the aluminum alloy material, make the utility model discloses durable, the anticorrosion, light in weight.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The above, only do the preferred embodiment of the present invention, not used to limit the present invention, all the technical matters of the present invention should be included in the protection scope of the present invention for any slight modification, equivalent replacement and improvement of the above embodiments.

Claims

1. Integral type high strength aluminum alloy cat ladder, its characterized in that includes: ladder roof beam (1), footboard (2), footboard hook (3) and locking plate subassembly (4), through a plurality of footboard (2) fixed connection that are parallel to each other between two sets of ladder roof beams (1), ladder roof beam (1) both ends fixedly connected with footboard hook (3) install and are provided with locking plate subassembly (4) on footboard hook (3) on one of them set of ladder roof beam (1).

2. The integrated high-strength aluminum alloy ladder stand according to claim 1, wherein the upper surface of the pedal (2) is provided with anti-skid lines (21).

3. The integrated high strength aluminum alloy ladder of claim 1, wherein the step hook (3) comprises: installation end (31) and couple end (32), installation end (31) and ladder roof beam (1) tip fixed connection, install couple end (32) of footboard hook (3) on one of them group ladder roof beam (1) and be provided with locking plate subassembly (4), locking plate subassembly (4) and footboard hook (3) cooperation use.

4. The integrated high-strength aluminum alloy ladder stand according to claim 3, wherein the locking plate assembly (4) comprises: the windproof pedal hook comprises an arc-shaped lock plate (41) and a windproof pin (42), wherein a sliding groove (411) is formed in the arc-shaped lock plate (41), the windproof pin (42) is fixedly connected with a hook end (32) of the pedal hook (3), and the arc-shaped lock plate (41) is limited to slide on the windproof pin (42) through the sliding groove (411).

5. The integrated high-strength aluminum alloy ladder stand according to claim 4, wherein the lower end of the sliding groove (411) is provided with a corner port (4111).

6. The integrated high-strength aluminum alloy ladder stand as claimed in claim 1, wherein the ladder beam (1) and the pedal (2) are made of aluminum alloy, the thickness of the ladder beam (1) is 4-5 mm, and the thickness of the pedal (2) is 2-3 mm.