CN209838258U - Construction is with portable herringbone cat ladder - Google Patents

Abstract

The utility model belongs to the technical field of building site instrument technical field that ascends a height, especially, portable herringbone cat ladder is used in construction, including two ladder framves, be equipped with a plurality of ladder boards of being connected through slewing mechanism and ladder frame along ladder frame length direction, be equipped with rolling device in the bottom of two ladder frames, be equipped with the runner assembly in the crossing department in two ladder frame tops, be equipped with hooking mechanism between two ladder frame bottoms, length direction along ladder frame both sides is equipped with the backup pad, be equipped with rubber layer and handle on the ladder board, its simple structure, the workman tramples the area greatly in ascending a height, long-time construction can not lead to the fact uncomfortable sense to the foot, and it is convenient to remove, it is firm to support, firm, effectively improve construction safety and efficiency of construction.

Description

Construction is with portable herringbone cat ladder

Technical Field

The utility model belongs to the technical field of the building site instrument of ascending a height technique and specifically relates to a portable herringbone cat ladder is used in construction.

Background

The double ladder is a common ascending tool working above a plane, and front and back ladder frames and a bottom surface form an isosceles triangle when the double ladder is used, so that the double ladder looks like a Chinese character 'ren', the double ladder is vividly called as a double ladder, the structure of the double ladder is simple, the double ladder is convenient to use, the occupied space is small, and the double ladder is deeply loved by people.

CN 105735880A discloses a double ladder, comprising a main ladder and an auxiliary ladder hinged on the upper part of the main ladder, wherein the main ladder and the auxiliary ladder respectively comprise two support rods and ladder rods with two ends respectively arranged on the two support rods, the side surfaces of the support rods of the main ladder are provided with grooves, the two ends of the bottom surface of each groove are respectively provided with a through hole and a first fixing groove, the positions of the support rods of the auxiliary ladder corresponding to the through holes are provided with second fixing grooves, the double ladder further comprises a fixed rod, a connecting rod and an inserted rod, the bottom end of the connecting rod penetrates through the through holes on the support rods on the main ladder and protrudes out of the side surfaces of the support rods, one end of the fixed rod is rotatably connected with the bottom end of the, when the fixed rod is placed in the groove, the inserted rod can be inserted into the first fixing groove, and when the lower parts of the main ladder and the auxiliary ladder are separated, the inserted rod can be inserted into the second fixing groove. The fixed setting of inserted bar is at the other end of dead lever, and when the dead lever was placed in the recess, the inserted bar can insert to first fixed slot in, when the lower part of main ladder and supplementary ladder separated, the inserted bar can insert to the second fixed slot in. The fixed setting of inserted bar is at the other end of dead lever, and when the dead lever was placed in the recess, the inserted bar can insert to first fixed slot in, when the lower part of main ladder and supplementary ladder separated, the inserted bar can insert to the second fixed slot in. Reach the double ladder not fragile through above-mentioned scheme, more firm safe effect, it is inflexible nevertheless to remove, wastes time and energy, and the area is narrower is trampled to the ladder pole, and the workman stands for a long time and is under construction on narrower ladder pole, can produce uncomfortable sense to the foot, influences the efficiency of construction.

Disclosure of Invention

The movable herringbone crawling ladder for construction is simple in structure, large in treading area due to climbing of workers, convenient to move, stable and firm in supporting and capable of preventing discomfort of feet due to long-time construction, and construction efficiency is effectively improved.

In order to solve the technical problems, the technical scheme adopted by the utility model is that the movable herringbone ladder stand for construction comprises two ladder frames which are arranged in an intersecting way, a plurality of ladder plates which are connected with the ladder frames through a rotating mechanism are arranged along the length direction of the ladder frames, rolling devices for moving the ladder frames are arranged at the bottoms of the two ladder frames, a rotating component for connecting the two ladder frames is arranged at the intersection of the tops of the two ladder frames, a hooking mechanism for hooking the two ladder frames is arranged between the bottoms of the two ladder frames, the rotating mechanism comprises ladder rods which are welded along the height direction of the ladder frames and used for bearing the ladder plates, a radian area is arranged on each ladder rod, a first rotating shaft which is rotatably connected with the ladder frames is arranged at one side of the radian area, a first hole site which is matched with the rotating shaft is arranged on the ladder frames, first limiting plates for preventing the first rotating shaft from being out of position are arranged at the two ends of the first rotating shaft, the ladder plates are arranged on the first rotating, the runner assembly is including locating the second hole site that two terraced framves intersect to and with the second pivot of second vacancy adaptation, be equipped with respectively at second pivot both ends and be used for preventing that two terraced framves from rotating the second limiting plate of dislocation, be equipped with the backup pad that is used for supporting the step along the length direction of terraced frame both sides, hooking mechanism including locating the hook area that has a plurality of hook holes on two terraced framves respectively, and have with the hook rope of hook hole adaptation coupler body is equipped with a plurality of coupler bodies that are used for hanging the hook area on the terraced frame of adjacent hook area one side, is equipped with the rubber layer on the step to and be used for rotating the handle of step.

The rolling device comprises a support frame formed by intersecting two steel plates welded to the bottom of the ladder frame, rollers are arranged on the support frame, and anti-skid rubber sleeves are arranged on the surfaces of the bottoms of the two ladder frames.

The utility model discloses construction is with portable herringbone cat ladder's beneficial effect is, simple structure, and the workman ascends a height and tramples the area big, and long-time construction can not cause uncomfortable sense to the foot, and removes the convenience, supports firm, effectively improves the efficiency of construction.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a side view of the ladder bar in cooperation with the first pivot shaft;

FIG. 3 is a schematic view of the connection between the step and the first pivot;

FIG. 4 is a schematic view of the ladder bar;

FIG. 5 is a schematic structural view of the second shaft;

fig. 6 is a schematic view of the structure of the supporting plate contacting the step.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1, 2, 3, 4, 5 and 6, a movable herringbone ladder stand for construction comprises two ladder frames 1 which are arranged in an intersecting manner, a plurality of ladder plates 2 which are connected with the ladder frames through rotating mechanisms are arranged along the length direction of the ladder frames, rolling devices for moving the ladder frames are arranged at the bottoms of the two ladder frames, rotating assemblies for connecting the tops of the two ladder frames are arranged at the intersecting positions of the tops of the two ladder frames, a hooking mechanism for hooking the two ladder frames is arranged between the bottoms of the two ladder frames, the rotating mechanism comprises ladder rods 3 which are welded along the height direction of the ladder frames and used for receiving the ladder plates, a radian area 4 is arranged on each ladder rod, a first rotating shaft 5 which is rotatably connected with the ladder frames is arranged on one side of the radian area, a first hole site which is matched with the rotating shaft is arranged on each ladder frame, first limiting plates 6 for preventing the first rotating shaft from being out of position are arranged at the two ends of the first rotating shaft, the second hole site of the crossing department of two terraced framves is located to the runner assembly to and the second pivot 7 with second vacancy adaptation, be equipped with respectively at second pivot both ends and be used for preventing two terraced framves from rotating the second limiting plate 8 of dislocation, be equipped with the backup pad 15 that is used for supporting the step along the length direction of terraced frame both sides, hooking mechanism including locating respectively the hook area 9 that has a plurality of hook holes on two terraced framves, and have with the hook rope 10 of hook hole adaptation coupler body, the hook rope can select for use the wire rope that has the crotch, is equipped with a plurality of coupler bodies 11 that are used for hanging the hook area on the terraced frame of adjacent hook area one side, hangs the hook rope both ends and is convenient for remove the terraced frame.

The rolling device comprises a support frame 12 formed by two steel plates welded with the bottom of the ladder frame in an intersecting manner, rollers 13 are arranged on the support frame, through holes can be formed in the intersecting positions of the two steel plates, connecting shafts for connecting the rollers are arranged in the through holes, and anti-skid rubber sleeves 14 are arranged on the surfaces of the bottoms of the two ladder frames, so that the friction between the bottoms of the two ladder frames and the ground is further enhanced, and the construction safety is improved.

Be equipped with the rubber layer 16 on the step, when not using the cat ladder, rotatable step and adjacent ladder pole lower surface contact, the rubber layer increases the frictional force between step and the ladder pole, prevents that the step from removing, and the removal of the ladder frame of being convenient for is equipped with the handle 17 that is used for the step and adjacent ladder pole lower surface separation on the step, and the workman can rotate the step with foot and handle contact when last cat ladder, makes its and adjacent ladder pole lower surface separation, has improved the convenience.

Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or substitutions made by those skilled in the art within the scope of the present invention should also belong to the protection scope of the present invention.

Claims (2)

1. A movable herringbone ladder stand for construction is characterized by comprising two ladder frames which are arranged in an intersecting manner, a plurality of ladder plates which are connected with the ladder frames through a rotating mechanism are arranged along the length direction of the ladder frames, rolling devices for moving the ladder frames are arranged at the bottoms of the two ladder frames, a rotating assembly for connecting the two ladder frames is arranged at the intersection of the tops of the two ladder frames, a hooking mechanism for hooking the two ladder frames is arranged between the bottoms of the two ladder frames, the rotating mechanism comprises ladder rods which are welded along the height direction of the ladder frames and used for bearing the ladder plates, an arc area is arranged on each ladder rod, a first rotating shaft which is rotatably connected with the ladder frames is arranged at one side of the arc area, a first hole site which is matched with the rotating shaft is arranged on each ladder frame, first limiting plates for preventing the first rotating shaft from rotating out of position are arranged at the two ends of the first rotating shaft, the ladder plates are arranged on the first rotating shaft, the rotating assembly comprises a second hole site which is arranged at the intersection of the, and with the second pivot of second vacancy adaptation, be equipped with respectively at second pivot both ends and be used for preventing that two ladder framves from rotating the second limiting plate of dislocation, be equipped with the backup pad that is used for supporting the step along the length direction of ladder frame both sides, hooking mechanism including locating the hook area that has a plurality of hook holes on two ladder frames respectively, and have with the hook rope of hook hole adaptation coupler body is equipped with a plurality of coupler bodies that are used for hanging the hook area on the ladder frame of adjacent hook area one side, is equipped with the rubber layer on the step to and be used for rotating the handle of step.

2. The movable herringbone ladder stand for construction according to claim 1, wherein the rolling device comprises a support frame formed by two steel plates welded to the bottom of the ladder frame, rollers are arranged on the support frame, and anti-skid rubber sleeves are arranged on the surfaces of the bottoms of the two ladder frames.