CN114876347A

CN114876347A - Portable safety engineering ladder

Info

Publication number: CN114876347A
Application number: CN202210324631.3A
Authority: CN
Inventors: 冯振义; 薛泽霖; 郭朋; 于耀宽; 王钰宁
Original assignee: China Railway Construction Group Co Ltd; North Engineering Co Ltd of China Railway Construction Engineering Group Co Ltd
Current assignee: China Railway Construction Group Co Ltd; North Engineering Co Ltd of China Railway Construction Engineering Group Co Ltd
Priority date: 2021-12-17
Filing date: 2022-03-29
Publication date: 2022-08-09
Anticipated expiration: 2042-03-29
Also published as: CN114876347B

Abstract

The invention discloses a portable safety engineering ladder which comprises four supporting rods, wherein the tops of the four supporting rods are sequentially connected with three groups of sleeves and shaft rods, the inner side walls of the twelve sleeves are respectively connected with a guide plate in a sliding mode, the upper surfaces of the twelve guide plates are respectively welded with the shaft rods, the lower ends of the twelve shaft rods are respectively inserted into the corresponding sleeves, the upper ends of the four uppermost shaft rods are respectively connected with a fixed block, arc-shaped plates are symmetrically welded on the upper surfaces of the four fixed blocks, one adjacent end of each two corresponding arc-shaped plates is hinged with each other through a rotating shaft, and two pedals are symmetrically welded on one adjacent side of each two corresponding sleeves. This portable safety engineering ladder need occupy great parking space when can solving traditional safety engineering ladder transportation, and the problem of carrying not convenient for to reach the parking space who occupies when sparingly transporting, make the more portable's of safety engineering ladder purpose.

Description

Portable safety engineering ladder

Technical Field

The invention relates to the technical field of engineering ladders, in particular to a portable safety engineering ladder.

Background

The engineering ladder is just used as an engineering ladder as the name implies, the family of the common engineering ladders is expanded at present, the single herringbone ladder or the straight ladder is not like the prior single herringbone ladder or the straight ladder, the structure is changeable, the height is adjustable, the shape is changeable, and the ladder is just the ladder which is really suitable for the modern engineering;

traditional safety engineering ladder utilizes the folding mode to carry out height-adjusting work usually when using to lead to when the transportation, need occupy great parking space, and be not convenient for carry the work, for this reason, provide a portable safety engineering ladder.

Disclosure of Invention

In view of the above technical problems in the related art, the present invention provides a portable safety engineering ladder, which can overcome the above disadvantages in the prior art.

In order to achieve the technical purpose, the technical scheme of the invention is realized as follows:

a portable safety engineering ladder comprises four supporting rods, wherein the tops of the four supporting rods are sequentially connected with three groups of sleeves and shaft rods, the bottom surfaces of a plurality of sleeves are welded with the upper ends of the corresponding shaft rods, the inner side walls of twelve sleeves are connected with guide plates in a sliding manner, the upper surfaces of twelve guide plates are welded with the shaft rods, the lower ends of twelve shaft rods are inserted into the corresponding sleeves, the inner side walls of the twelve sleeves are provided with sliding grooves, the inner side walls of the sliding grooves are connected with ring bodies in a sliding manner, the outer side walls of the ring bodies are welded with springs, one ends of the springs, far away from the corresponding ring bodies, are welded on the inner side walls of the corresponding sliding grooves, limit blocks are welded on the inner side walls of the ring bodies, limit grooves are formed in one side of the outer side walls of the shaft rods, and the limit blocks are connected with the corresponding limit grooves, it is a plurality of the correspondence is kept away from to the ring body one side fixedly connected with button of spring, it is a plurality of the one end of button runs through the correspondence sheathed tube inside wall, the one of the top sheathed tube one side fixedly connected with nylon rope, the nylon rope is kept away from the one end fixedly connected with couple of right-hand axostylus axostyle, another of the top the solid fixed ring of sheathed tube lateral wall fixedly connected with, the couple with gu fixed ring buckle is connected, four of the top the fixed block, four all the symmetric welding of the upper surface of fixed block has the arc, and every two correspond the adjacent one end of arc is articulated each other through the pivot, and every two correspond the equal symmetric welding in one side that the sleeve pipe is adjacent has two footboards.

Further, every two guide ways, every have been seted up to the equal symmetry of sheathed tube inside wall the equal sliding connection of inside wall of guide way has the guide block, every the one end that the guide block kept away from the guide way all welds in the lateral wall of deflector.

Furthermore, four the bottom of bracing piece all articulates through the pivot has the supporting seat.

Furthermore, rubber pads are bonded to the bottoms of the four supporting seats.

The invention has the beneficial effects that: the portable safety engineering ladder can solve the problems that a traditional safety engineering ladder needs to occupy a large storage space during transportation and is inconvenient to carry, thereby achieving the purposes of saving the storage space occupied during transportation and enabling the safety engineering ladder to be more convenient to carry.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a portable safety engineering ladder according to an embodiment of the invention;

fig. 2 is a partially enlarged view of a portable safety ladder according to an embodiment of the present invention;

fig. 3 is a top view structural view of a sleeve and a shaft of the portable safety ladder according to an embodiment of the present invention;

fig. 4 is a side view structural view of a sleeve and a shaft of the portable safety ladder according to an embodiment of the present invention;

fig. 5 is an internal structure view of a casing of a portable safety ladder according to an embodiment of the present invention;

in the figure: 101. the support rod 102, the sleeve 103, the shaft rod 104, the fixing block 105, the arc-shaped plate 201, the guide plate 202, the button 203, the ring body 204, the limiting block 205, the sliding groove 206, the spring 207, the limiting groove 41, the guide block 42, the guide groove 43, the nylon rope 44, the hook 45, the fixing ring 46, the support seat 47, the rubber pad 48 and the pedal.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the examples provided herein are intended to be within the scope of the present invention.

As shown in fig. 1 to 5, the portable safety engineering ladder according to the embodiment of the present invention includes four support rods 101, three sets of sleeves 102 and shafts 103 are sequentially connected to tops of the four support rods 101, bottom surfaces of the plurality of sleeves 102 are welded to upper ends of the corresponding shafts 103, inner side walls of twelve sleeves 102 are slidably connected to guide plates 201, upper surfaces of twelve guide plates 201 are welded to the shafts 103, lower ends of the twelve shafts 103 are inserted into the corresponding sleeves 102, inner side walls of the twelve sleeves 102 are each provided with a sliding groove 205, inner side walls of the sliding grooves 205 are each slidably connected to a ring 203, outer side walls of the plurality of rings 203 are each welded with a spring 206, one end of the plurality of springs 206 away from the corresponding ring 203 is welded to the inner side wall of the corresponding sliding groove 205, inner side walls of the plurality of rings 203 are each welded with a limiting block 204, a plurality of limiting grooves 207 are formed on one side of the outer side wall of each shaft lever 103, a plurality of limiting blocks 204 are connected with the corresponding limiting grooves 207, a plurality of buttons 202 are fixedly connected on one side of each ring body 203 far away from the corresponding spring 206, one end of each button 202 penetrates through the inner side wall of the corresponding sleeve 102, the ring bodies 203 are driven to move by pressing the buttons 202, a nylon rope 43 is fixedly connected on one side of the uppermost sleeve 102, a hook 44 is fixedly connected on one end of each nylon rope 43 far away from the right shaft lever 103, a supporting force is provided for one end of the hook 44 through the nylon rope 43, a fixing ring 45 is fixedly connected on the outer side wall of the other uppermost sleeve 102, the hook 44 is connected with the fixing ring 45 in a buckling manner, a supporting force is provided for one end of the hook 44 through the nylon rope 43, and the fixing blocks 104 are welded on the tops of the four uppermost shaft levers 103, four equal symmetrical welding of upper surface of fixed block 104 has arc 105, every two correspond the one end that arc 105 is adjacent is articulated each other through the pivot, drives fixed block 104 motion through removal sleeve pipe 102 and axostylus axostyle 103, and the fixed block 104 of motion drives arc 105 and rotates through the pivot, and every two correspond equal symmetrical welding in one side that sleeve pipe 102 is adjacent has two footboards 48, through the footboard 48 that sets up, makes the staff more be convenient for climb work, provides the holding power for the both sides of footboard 48 through sleeve pipe 102.

It has last, every two guide ways 42, every have been seted up to the equal symmetry of sleeve pipe 102's inside wall two guide ways 42, every the equal sliding connection of inside wall of guide way 42 has guide block 41, every the one end that guide block 41 kept away from guide way 42 all welds in the lateral wall of deflector 201, and deflector 201 through the motion drives guide block 41 motion, and the guide block 41 of motion is through the inside slip at guide way 42, for deflector 201 carries out the work of leading, has avoided deflector 201 to take place the skew in the motion.

It is above, four the bottom of bracing piece 101 all articulates through the pivot has supporting seat 46, provides the holding power for the bottom of bracing piece 101 through supporting seat 46.

As described above, the rubber pads 47 are bonded to the bottoms of the four support seats 46, and the friction between the support seats 46 and the ground is increased by the rubber pads 47.

In order to facilitate understanding of the above-described technical aspects of the present invention, the above-described technical aspects of the present invention will be described in detail below in terms of specific usage.

When the guide plate is used specifically, the guide plate 201 is driven to move by the movable shaft rod 103, the guide block 41 is driven to move by the movable guide plate 201, the movable guide block 41 slides in the guide groove 42 to guide the guide plate 201, so that the guide plate 201 is prevented from deviating in motion, the movable guide plate 201 slides in the sleeve 102 to guide the shaft rod 103, when the movable shaft rod 103 drives the limiting groove 207 to move to the limiting block 204, the compressed spring 206 drives the ring body 203 to move, the movable ring body 203 drives the limiting block 204 and the button 202 to move, the movable limiting block 204 inserts into the limiting groove 207 to limit the shaft rod 103, so that the shaft rod 103 is fixed in the sleeve 102, then the fixing block 104 is driven to move by the movable sleeve 102 and the shaft rod 103, and the movable fixing block 104 drives the arc-shaped plate 105 to rotate through the rotating shaft, then remove couple 44 and drive the motion of nylon rope 43, then fix couple 44 buckle on solid fixed ring 45, and then accomplished the equipment work of safety engineering ladder, for the bottom of bracing piece 101 provides the holding power through the supporting seat 46 that sets up, increased the frictional force between supporting seat 46 and the ground through the rubber pad 47 that sets up, improved the steady setting of safety engineering ladder.

When the safety engineering ladder is required to be stored, the button 202 is pressed to drive the ring body 203 to move, the moving ring body 203 drives the limiting block 204 and the spring 206 to move, the moving spring 206 is compressed through the extrusion sliding groove 205, the moving limiting block 204 is separated from the inside of the limiting groove 207, so that the limiting work of the shaft lever 103 is removed, then the shaft lever 103 is moved to drive the guide plate 201 to slide into the sleeve 102, and the storage work of the safety engineering ladder is completed.

In conclusion, by means of the technical scheme, the problems that a traditional safety engineering ladder needs to occupy a large storage space during transportation and is inconvenient to carry can be solved, and therefore the purposes that the storage space occupied during transportation is saved and the safety engineering ladder is more convenient to carry are achieved.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The portable safety engineering ladder is characterized by comprising four supporting rods (101), wherein the tops of the four supporting rods (101) are sequentially connected with three groups of sleeves (102) and shaft rods (103), the bottom surfaces of the sleeves (102) are welded with the upper ends of the corresponding shaft rods (103), the inner side walls of the twelve sleeves (102) are respectively connected with a guide plate (201) in a sliding manner, the upper surfaces of the twelve guide plates (201) are respectively welded with the shaft rods (103), the lower ends of the twelve shaft rods (103) are respectively inserted into the corresponding sleeves (102), the inner side walls of the twelve sleeves (102) are respectively provided with a sliding groove (205), the inner side walls of the sliding grooves (205) are respectively connected with a ring body (203) in a sliding manner, the outer side walls of the ring bodies (203) are respectively welded with springs (206), one ends of the springs (206) far away from the corresponding ring bodies (203) are welded on the inner side walls of the corresponding sliding grooves (205), the inner side walls of the ring bodies (203) are welded with limit blocks (204), one side of the outer side wall of each shaft rod (103) is provided with a limit groove (207), the limit blocks (204) are connected with the limit grooves (207), one side of each ring body (203) far away from the corresponding spring (206) is fixedly connected with a button (202), one end of each button (202) penetrates through the inner side wall of the corresponding sleeve (102), one side of the uppermost sleeve (102) is fixedly connected with a nylon rope (43), one end of each nylon rope (43) far away from the right shaft rod (103) is fixedly connected with a hook (44), the outer side wall of the other uppermost sleeve (102) is fixedly connected with a fixing ring (45), the hooks (44) are connected with the fixing rings (45) in a buckling mode, and the top of the four uppermost shaft rods (103) is welded with fixing blocks (104), four the equal symmetrical welding of upper surface of fixed block (104) has arc (105), and every two are corresponding the one end that arc (105) are adjacent is articulated each other through the pivot, every two are corresponding the equal symmetrical welding in one side that sleeve pipe (102) are adjacent has two footboard (48).

2. The portable safety engineering ladder according to claim 1, wherein two guide grooves (42) are symmetrically formed in the inner side wall of each sleeve (102), a guide block (41) is slidably connected to the inner side wall of each guide groove (42), and one end, away from the guide groove (42), of each guide block (41) is welded to the outer side wall of the guide plate (201).

3. The portable safety ladder according to claim 1, wherein the bottom of each of the four support bars (101) is hinged to a support base (46) via a hinge.

4. A portable safety ladder as claimed in claim 3, wherein rubber pads (47) are bonded to the bottom of each of the four supports (46).