CN221346775U

CN221346775U - Construction cat ladder

Info

Publication number: CN221346775U
Application number: CN202322963901.8U
Authority: CN
Inventors: 崔玉宝; 马恒伟; 洪伟; 丁建业
Original assignee: Shandong High Speed Qilu Construction Group Co ltd
Current assignee: Shandong High Speed Qilu Construction Group Co ltd
Priority date: 2023-11-02
Filing date: 2023-11-02
Publication date: 2024-07-16
Anticipated expiration: 2033-11-02

Abstract

The utility model discloses a construction cat ladder, and relates to the technical field of constructional engineering. The utility model comprises a main body assembly, wherein a plurality of groups of pedal assemblies are arranged in the main body assembly, a fixing assembly is further arranged on the pedal assemblies, front and rear adjacent upright rods in the main body assembly are connected in a rotating way through a connecting block, a sleeve rod is penetrated under the outer wall of one side of the upright rod positioned at one side in a rotating way, an inner rod is sleeved on the inner thread of the sleeve rod, and the other end of the inner rod is connected under the outer wall of one side of the upright rod positioned at the other side in a rotating way; the mounting plates in the fixing assembly are movably connected through a reset spring. According to the utility model, the space between the left and right adjacent vertical rods is changed through the loop bars and the inner bars in the main body assembly, and the feet of a constructor are bound on the outer pedal or the inner pedal through the binding belts in the fixing assembly, so that the problems that the width of the cat ladder is inconvenient to adjust and the phenomenon that the constructor steps on the air when working at high altitude is inconvenient to avoid are solved.

Description

Construction cat ladder

Technical Field

The utility model belongs to the technical field of constructional engineering, and particularly relates to a construction cat ladder.

Background

In the work progress of building engineering, in order to make things convenient for constructor to carry out the operation to some eminence, can use construction cat ladder often, can let constructor stand in the eminence through the use of construction cat ladder and carry out some construction operations, ordinary construction cat ladder comprises two pole setting and the multiunit horizontal pole that is located between the pole setting.

The utility model discloses a construction cat ladder among the current file of publication number CN218780290U, including first bracing piece, first bracing piece is provided with two, the inside of first bracing piece is inserted and is equipped with the second bracing piece, the surface of first bracing piece is provided with stop screw, the surface that first bracing piece and second bracing piece are close to each other is all set up flutedly, the inside of two recesses is all inserted and is equipped with the footboard, the inside of first bracing piece and second bracing piece is all slidable mounting has the movable plate, the surface fixed mounting of movable plate has the inserted bar, the inside at the footboard is inserted to the inserted bar, fixed mounting has first spring between the inner wall of movable plate and first bracing piece.

But during use the following drawbacks exist:

1. The length of the crawling ladder is adjusted through the insertion between the first supporting rod and the second supporting rod, but the length of the crawling ladder is inconvenient to adjust, so that the crawling ladder is inconvenient to store, and a plurality of persons are inconvenient to construct;

2. Make things convenient for constructor to carry out the aerial work through the footboard, but lack the structure that carries out the fixation to constructor on the footboard, lead to constructor need carry out long-time aerial work, its phenomenon that constructor stepped on the sky probably appears, and its security performance is relatively poor.

Therefore, the above-mentioned documents cannot meet the practical demands, and there is an urgent need for improved techniques to solve the above-mentioned problems.

Disclosure of utility model

The utility model aims to provide a construction ladder, which changes the distance between left and right adjacent upright posts through a loop bar and an inner bar in a main body assembly, and binds feet of constructors on an outer pedal or an inner pedal through a binding belt in a fixing assembly, so that the problems that the width of the ladder is inconvenient to adjust and the phenomenon that constructors step on the air is inconvenient to avoid when working aloft are solved.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

The utility model relates to a construction cat ladder, which comprises a main body assembly, wherein a plurality of groups of pedal assemblies are arranged in the main body assembly, and a fixing assembly is further arranged on the pedal assemblies;

The front and rear adjacent vertical rods in the main body component are rotationally connected through a connecting block, a sleeve rod is rotationally penetrated below the outer wall of one side of the vertical rod positioned at one side, an inner rod is sleeved on the inner thread of the sleeve rod, and the other end of the inner rod is rotationally connected below the outer wall of one side of the vertical rod positioned at the other side;

The mounting plates in the fixing assembly are movably connected through the reset springs, binding bands are fixedly connected to the outer walls of the two sides of the mounting plates, mounting frames are welded on the upper surface or the lower surface of the mounting plates, L-shaped plates are connected to the inner portions of the mounting frames in a sliding mode, second bolts penetrate through the top or bottom threads of the mounting frames, and the other ends of the second bolts are connected to the inner portions of second threaded holes in the L-shaped plates in a threaded mode.

Further, a baffle is sleeved on one side of the outer wall of the loop bar, and the baffle is respectively positioned on two sides of the vertical bar.

Further, the other side of the outer wall of the loop bar is adhered with an anti-skid sleeve.

Further, the connecting block is located inside the groove at the top end of the vertical rod, the front end and the rear end of the outer walls at the two sides of the connecting block are welded with first rotating shafts, and the other ends of the first rotating shafts penetrate through the inner walls at the two sides of the groove respectively and are provided with first threaded holes.

Further, the top of pole setting opposite side outer wall all has first bolt through mount pad threaded connection, and the one end threaded connection of first bolt is inside first screw hole.

Further, the outer pedal in the pedal assembly is located between the adjacent pole setting, and the inside both sides of outer pedal all sliding connection has interior footboard, and the equal swing joint of the other end of interior footboard has the connecting plate, and the other end of connecting plate is fixed connection respectively on the face in opposite directions of pole setting.

Further, a damping bearing is fixedly connected in the mounting groove on the outer wall of one side of the connecting plate, a second rotating shaft is sleeved in the damping bearing in a rotating mode, and the other ends of the second rotating shafts are welded on the outer wall of the other side of the inner pedal respectively.

Further, the inside of reset spring is provided with the connecting rod, and the both ends of connecting rod clearance fit respectively is inside the mounting hole of mounting panel face in opposite directions, and reset spring's both ends weld respectively on the face in opposite directions of mounting panel.

The utility model has the following beneficial effects:

1. According to the utility model, the loop bar is rotated through the arrangement of the main body assembly, the inner bar moves relative to the loop bar under the action of threaded connection between the loop bar and the inner bar, and external force is applied to the upright bars at the other side through the inner bar, so that the left and right adjacent upright bars move in opposite directions or back to back, the distance between the upright bars is adjusted, and the width of the ladder is adjusted.

2. According to the utility model, through the arrangement of the fixing assembly, the position between the L-shaped plate and the mounting frame is adjusted through the second bolt, the L-shaped plate is respectively clamped on the outer pedal or the inner pedal through the mounting plate, and simultaneously, the feet of a constructor are bound on the outer pedal or the inner pedal through the binding belt, so that the foot of the constructor is prevented from being stepped on the air when the constructor works at high altitude.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of 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 utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a construction ladder;

FIG. 2 is a schematic structural view of a body assembly;

FIG. 3 is a structural exploded view of the connection block;

FIG. 4 is a structural exploded view of the footrest assembly;

FIG. 5 is a structural exploded view of the connection plate;

FIG. 6 is a schematic structural view of a fixing assembly;

Fig. 7 is a schematic diagram of the connection between mounting plates.

In the drawings, the list of components represented by the various numbers is as follows:

1. A body assembly; 11. a vertical rod; 111. a groove; 12. a loop bar; 121. a baffle; 122. an anti-skid sleeve; 13. an inner rod; 14. a connecting block; 141. a first rotating shaft; 142. a first threaded hole; 143. a mounting base; 144. a first bolt; 2. a pedal assembly; 21. an outer pedal; 22. an inner pedal; 221. a second rotating shaft; 23. a connecting plate; 231. a mounting groove; 232. damping bearings; 3. a fixing assembly; 31. a mounting plate; 311. a return spring; 312. a connecting rod; 313. a mounting hole; 32. a strap; 33. a mounting frame; 331. a second bolt; 34. an L-shaped plate; 341. and a second threaded hole.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1, 2, 3, 4 and 5, the present utility model is a construction ladder, including a main body assembly 1, wherein a plurality of groups of pedal assemblies 2 are arranged in the main body assembly 1;

The front and rear adjacent vertical rods 11 in the main body assembly 1 are rotationally connected through the connecting blocks 14, the connecting blocks 14 are positioned in the grooves 111 at the top ends of the vertical rods 11, the front and rear ends of the outer walls at the two sides of the connecting blocks 14 are welded with first rotating shafts 141, the other ends of the first rotating shafts 141 respectively penetrate through the inner walls at the two sides of the grooves 111 and are provided with first threaded holes 142, the first rotating shafts 141 are arranged to realize rotational installation between the connecting blocks 14 and the grooves 111, thereby realizing rotational installation between the front and rear adjacent vertical rods 11, the upper parts of the outer walls at the other sides of the vertical rods 11 are respectively connected with first bolts 144 through mounting seats 143 in a threaded manner, one ends of the first bolts 144 are in the first threaded holes 142 in a threaded manner, the first bolts 144 are installed through the arrangement of the mounting seats 143, and the rotation between the connecting blocks 14 and the vertical rods 11 is limited through the first bolts 144 and the first threaded holes 142;

A sleeve rod 12 is rotatably penetrated below the outer wall of one side of the vertical rod 11 at one side, a baffle 121 is sleeved on one side of the outer wall of the sleeve rod 12, the baffles 121 are respectively positioned on two sides of the vertical rod 11, the baffle 121 prevents the sleeve rod 12 from being separated from the vertical rod 11, an anti-slip sleeve 122 is adhered to the other side of the outer wall of the sleeve rod 12, and the sleeve rod 12 is conveniently rotated due to the arrangement of the anti-slip sleeve 122;

An inner rod 13 is sleeved on the inner thread of the sleeve rod 12, and the other end of the inner rod 13 is rotationally connected below the outer wall of one side of the upright rod 11 at the other side;

An outer pedal 21 in the pedal assembly 2 is positioned between the adjacent vertical rods 11, and both inner sides of the outer pedal 21 are slidably connected with an inner pedal 22;

The other end of the inner pedal 22 is movably connected with a connecting plate 23, a damping bearing 232 is fixedly connected in a mounting groove 231 on the outer wall of one side of the connecting plate 23, a second rotating shaft 221 is sleeved in the damping bearing 232 in a rotating way, and the other end of the second rotating shaft 221 is respectively welded on the outer wall of the other side of the inner pedal 22;

the other ends of the connecting plates 23 are respectively and fixedly connected to the opposite surfaces of the vertical rods 11;

Based on the above arrangement, when the ladder is needed, the width of the ladder is adjusted, the sleeve rod 12 is rotated through the anti-skid sleeve 122, and under the action of the threaded connection between the sleeve rod 12 and the inner rod 13, the inner rod 13 drives the upright rod 11 on the other side to move, so that the upright rods 11 adjacent left and right move oppositely or back to each other, and the width of the ladder is adjusted;

Then the length of the crawling ladder is adjusted, the first bolt 144 is screwed, the first bolt 144 moves out of the first threaded hole 142, and an external force is applied to the front and rear adjacent vertical rods 11, so that under the action of the connecting block 14, the front and rear adjacent vertical rods 11 relatively rotate, and the front and rear adjacent vertical rods 11 rotate to the same horizontal line, and the length of the crawling ladder is adjusted;

Finally, the upright rod 11 is leaned against the designated position, and constructors climb up through the outer pedal 21 or the inner pedal 22, so that the constructors can conveniently perform high-altitude operation.

Referring to fig. 1, 6 and 7, the pedal assembly 2 is further provided with a fixing assembly 3;

The mounting plates 31 in the fixing assembly 3 are movably connected through the reset spring 311, a connecting rod 312 is arranged in the reset spring 311, two ends of the connecting rod 312 are respectively in clearance fit in mounting holes 313 on opposite surfaces of the mounting plates 31, two ends of the reset spring 311 are respectively welded on the opposite surfaces of the mounting plates 31, deformation of the reset spring 311 is limited by the arrangement of the connecting rod 312, elastic failure caused by excessive deformation of the reset spring 311 is avoided, and connection between the connecting rod 312 and the mounting plates 31 is realized by the arrangement of the mounting holes 313 when in use;

The outer walls of the two sides of the mounting plate 31 are fixedly connected with the binding bands 32, and the binding bands 32 are provided with magic tapes for conveniently binding the binding bands 32;

The upper surface or the lower surface of the mounting plate 31 is welded with a mounting frame 33, the inside of the mounting frame 33 is connected with an L-shaped plate 34 in a sliding manner, a second bolt 331 penetrates through the top or the bottom of the mounting frame 33 in a threaded manner, and the other end of the second bolt 331 is connected inside a second threaded hole 341 on the L-shaped plate 34 in a threaded manner;

Based on the above arrangement, when a constructor needs to stay at a high altitude to perform an operation, the fixing assembly 3 is firstly installed on the designated outer pedal 21 or inner pedal 22, an external force is applied to the mounting plate 31, the mounting plate 31 moves in opposite directions, the L-shaped plate 34 is respectively located above and below the outer pedal 21 or inner pedal 22, then the mounting plate 31 is released, at the moment, under the action of the return spring 311, the L-shaped plate 34 moves in the direction of the outer pedal 21 or inner pedal 22, the longitudinal support arms of the L-shaped plate 34 are respectively abutted against the upper surface and the lower surface of the outer pedal 21 or inner pedal 22, then the second bolt 331 is screwed, the second bolt 331 moves out of the second threaded hole 341, and an external force is applied to the L-shaped plate 34, so that the vertical support arms of the L-shaped plate 34 move relative to the outer pedal 21 or inner pedal 22, and finally the feet of the constructor are bound on the mounting plate 31 through the binding bands 32, thereby realizing the binding of the feet of the constructor on the outer pedal 21 or the inner pedal 22.

The foregoing is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, and any modification, equivalent replacement, and improvement of some of the technical features described in the foregoing embodiments are all within the scope of the present utility model.

Claims

1. The utility model provides a construction cat ladder, includes main part subassembly (1), the inside of main part subassembly (1) is provided with multiunit pedal subassembly (2), still be provided with fixed subassembly (3), its characterized in that on pedal subassembly (2):

The front and rear adjacent vertical rods (11) in the main body assembly (1) are rotationally connected through a connecting block (14), a loop bar (12) is rotationally penetrated below the outer wall of one side of the vertical rod (11) at one side, an inner rod (13) is sleeved on the inner thread of the loop bar (12), and the other end of the inner rod (13) is rotationally connected below the outer wall of one side of the vertical rod (11) at the other side;

Carry out swing joint through reset spring (311) between mounting panel (31) in fixed subassembly (3), all fixedly connected with bandage (32) on the both sides outer wall of mounting panel (31), all weld on the upper surface or the lower surface of mounting panel (31) and install frame (33), the inside sliding connection of installing frame (33) has L template (34), the top or the bottom screw thread of installing frame (33) is run through there is second bolt (331), the other end threaded connection of second bolt (331) is in inside second screw hole (341) on L template (34).

2. A construction ladder according to claim 1, characterized in that: a baffle (121) is sleeved on one side of the outer wall of the loop bar (12), and the baffle (121) is respectively positioned on two sides of the vertical bar (11).

3. A construction ladder according to claim 2, characterized in that: an anti-slip sleeve (122) is adhered to the other side of the outer wall of the loop bar (12).

4. A construction ladder according to claim 1, characterized in that: the connecting block (14) is located inside the groove (111) at the top end of the vertical rod (11), first rotating shafts (141) are welded at the front end and the rear end of the outer walls at the two sides of the connecting block (14), and the other ends of the first rotating shafts (141) penetrate through the inner walls at the two sides of the groove (111) respectively and are provided with first threaded holes (142).

5. The construction ladder of claim 4, wherein: the upper parts of the outer walls of the other sides of the vertical rods (11) are respectively connected with a first bolt (144) through mounting seats (143) in a threaded mode, and one ends of the first bolts (144) are connected inside the first threaded holes (142) in a threaded mode.

6. A construction ladder according to claim 1, characterized in that: the pedal assembly is characterized in that an outer pedal (21) in the pedal assembly (2) is positioned between the adjacent upright rods (11), inner pedals (22) are slidably connected to two sides of the inner part of the outer pedal (21), connecting plates (23) are movably connected to the other ends of the inner pedals (22), and the other ends of the connecting plates (23) are fixedly connected to the opposite surfaces of the upright rods (11) respectively.

7. The construction ladder of claim 6, wherein: the damping device is characterized in that a damping bearing (232) is fixedly connected inside a mounting groove (231) on the outer wall of one side of the connecting plate (23), a second rotating shaft (221) is sleeved in the damping bearing (232) in a rotating mode, and the other ends of the second rotating shaft (221) are welded on the outer wall of the other side of the inner pedal (22) respectively.

8. A construction ladder according to claim 1, characterized in that: the inside of reset spring (311) is provided with connecting rod (312), the both ends of connecting rod (312) clearance fit respectively be in inside mounting hole (313) of mounting panel (31) face in opposite directions, the both ends of reset spring (311) are welded respectively on the face in opposite directions of mounting panel (31).