Single-sided bidirectional electric stable and firm construction ladder

Abstract

The utility model discloses a single-sided bi-directional electrodynamic type stable and firm construction ladder, which relates to the field of construction ladder stands, and comprises a main ladder, an auxiliary ladder and a bottom support beam, the upper end of the side wall of the main ladder is provided with a sliding connecting piece used for enabling the auxiliary ladder to move up and down, and the upper side of the main ladder is provided with a limiting structure used for fixing the height position of the auxiliary ladder. And n-shaped lug plates are arranged on two sides of the lower end of the main ladder. The auxiliary ladder is lengthened on the ground, in the lengthening process, a positioning groove continuously extrudes a slope clamping block to overcome the elastic force of a spring and retract into a movable cavity, after the auxiliary ladder is lengthened to a proper height, the slope clamping block is clamped into the positioning groove under the elastic force action of the spring, and then the lengthened main ladder and the lengthened auxiliary ladder lean against a wall; the controller is used for adjusting the n-shaped lug plate on one side to move according to the ground condition, so that the bottom supporting beam on the side is far away from the lower end of the main ladder until the main ladder is vertical and stable for climbing, manual operation is avoided in the whole adaptive adjusting process, the ladder can be adjusted in place at a time, and the working efficiency when the ladder is used is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to construction ladder technology field, concretely relates to a single face bidirectional electric type firm and reliable type construction ladder. BACKGROUND

[0002] The telescopic ladder is a ladder that can be telescopic length adjustment, can freely adjust the height, and is convenient to carry and store, and is commonly used when climbing operation.

[0003] In the limited outdoor site operation condition, the ground flatness is insufficient, the ordinary ladder is not stable after leaning against the wall, and shaking, dumping and falling may occur, which has certain safety hidden danger, and in the prior art, the length of the lower end of the ladder is manually adjusted before climbing to adapt to the uneven outdoor ground, and the single adjustment may not be adjusted in place, so repeated correction is needed, and the process is relatively complicated and time-consuming. UTILITY MODEL CONTENTS

[0004] The utility model discloses a single face bidirectional electric type firm and reliable type construction ladder to solve the above problems, which is described in detail below.

[0005] To achieve the above object, the utility model provides the following technical scheme.

[0006] The utility model provides a single face bidirectional electric type firm and reliable type construction ladder, including main ladder, vice ladder and bottom support beam, the side wall upper end of main ladder is equipped with the sliding connection spare for vice ladder moves up and down, and the upside of main ladder is equipped with the limiting structure for fixing the height position of vice ladder, the both sides of the lower end of main ladder are equipped with n shaped ear plate, and two n shaped ear plates are rotatably connected on the both sides of bottom support beam, the both sides of the lower end of main ladder are equipped with the electric adjustment structure for driving n shaped ear plate to be close or far away, the vice ladder is hung and is equipped with the controller that is electrically connected with electric adjustment structure.

[0007] As preferred, the sliding connection piece includes a T-shaped slide bar fixedly connected to the upper end of the main ladder, and the two sides of the vice ladder are provided with a T-shaped sliding groove in sliding connection with the T-shaped slide bar.

[0008] As preferred, the limiting structure includes a slide rod hole through the side rod of the main ladder, a connecting rod is slidingly connected in the slide rod hole, a clamping block groove is formed in the T-shaped slide bar in communication with the slide rod hole, a slope clamping block is sleeved in the clamping block groove, and the tip of the slope clamping block is located above, the end of the connecting rod is fixedly connected with the slope clamping block, and a plurality of positioning grooves are formed in the T-shaped sliding groove and are in clamping connection with the slope clamping block.

[0009] As preferred, the slope clamping block is connected with a spring between the inner bottom of the clamping block slot, and the spring is sleeved outside the connecting rod, the cross section of the slope clamping block is rectangular and matched with the clamping block slot, and the positions of the plurality of positioning slots correspond to the positions of the plurality of steps of the auxiliary ladder one by one.

[0010] As preferred, the electric adjusting structure comprises a motor compartment and a movable cavity opened at the lower end of the main ladder side rod, the lower end of the movable cavity is communicated with the outside, a threaded rod is rotatably connected in the movable cavity, a motor for driving the threaded rod to rotate is fixedly installed in the motor compartment, and the upper surface of the n-shaped ear plate is fixedly connected with an adjusting column sleeved in the movable cavity, and a threaded hole screw-connected with the threaded rod is opened in the adjusting column.

[0011] As preferred, the open end of the n-shaped ear plate is fixedly connected with a fixed shaft, the two sides of the bottom support beam are provided with sleeve holes sleeved with the fixed shaft, and the two ends of the bottom support beam are fixedly connected with rubber bases.

[0012] As preferred, the length of the sleeve hole is 1.5 times of the fixed shaft, and the two fixed shafts are located at opposite sides of the two sleeve holes.

[0013] As preferred, the lower ends of the two sides of the main ladder are fixedly installed with storage batteries, the controller and the motor are powered by the storage batteries, the output end of the controller is electrically connected with the input end of the motor, the rear side of the controller is fixedly connected with a plug rod, one end of the plurality of steps of the auxiliary ladder is provided with a plug hole plugged with the plug rod, and the upper ends of the two sides of the auxiliary ladder are fixedly connected with hooks.

[0014] The beneficial effects are that:

[0015] By lengthening the auxiliary ladder on the ground, the positioning slots continuously extrude the slope clamping blocks to overcome the elastic force of the spring and retract into the movable cavity during the lengthening process, the slope clamping blocks are clamped into the positioning slots under the elastic force of the spring after being lengthened to a suitable height, then the lengthened main ladder and auxiliary ladder are leaned against the wall, the n-shaped ear plate on one side is moved according to the ground conditions by using the controller, the bottom support beam on the side is moved away from the lower end of the main ladder until the main ladder is vertically stable, and then the ladder is climbed, the whole adaptive adjustment process avoids manual operation, can be adjusted in place at one time, and the working efficiency during the use of the ladder is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creating laborious work.

[0017] Figure 1is a perspective view of the utility model;

[0018] Figure 2 is a rear perspective view of the utility model auxiliary ladder;

[0019] Figure 3 is a perspective view of the utility model main ladder;

[0020] Figure 4 is a first partial perspective view of the utility model main ladder;

[0021] Figure 5 is a second partial perspective view of the utility model main ladder;

[0022] Figure 6 is a perspective view of the utility model bottom support beam.

[0023] The figure mark is explained as follows:

[0024] 1, main ladder, 2, auxiliary ladder, 3, bottom support beam, 301, rubber base, 302, fixed shaft, 303, sleeve hole, 4, electric adjusting structure, 401, motor bin, 402, movable cavity, 403, motor, 404, threaded rod, 405, adjusting column, 406, threaded hole, 5, limiting structure, 501, slide rod hole, 502, clamping block groove, 503, connecting rod, 504, slope clamping block, 505, spring, 506, positioning groove, 6, hook, 7, T-shaped slide bar, 8, T-shaped slide groove, 9, controller, 10, battery, 11, plug rod, 12, jack, 13, n-shaped ear plate. DETAILED DESCRIPTION

[0025] To make the purpose, technical scheme and advantages of the utility model more clear, the technical scheme of the utility model will be described in detail below. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the scope of the utility model.

[0026] Referring to Figures 1-6 As shown in the utility model provides a single face bidirectional electric type firm and reliable type construction ladder, including main ladder 1, auxiliary ladder 2 and bottom support beam 3, the upper end of the side wall of main ladder 1 is equipped with the sliding connecting piece for making auxiliary ladder 2 up and down movement, and the upper side of main ladder 1 is equipped with the limiting structure 5 for fixing the height position of auxiliary ladder 2, the lower end of both sides of main ladder 1 is equipped with n-shaped ear plate 13, and two n-shaped ear plates 13 are rotatably connected on the both sides of bottom support beam 3, the lower end of both sides of main ladder 1 is equipped with the electric adjusting structure 4 for driving n-shaped ear plate 13 to approach or away, auxiliary ladder 2 is hung with the controller 9 electrically connected with electric adjusting structure 4.

[0027] As an optional implementation, the sliding connector includes a T-shaped sliding bar 7 fixedly connected to the two sides of the upper end of the main ladder 1, and T-shaped sliding grooves 8 are formed in the two sides of the auxiliary ladder 2 to be in sliding connection with the T-shaped sliding bar 7. The T-shaped sliding grooves 8 and the T-shaped sliding bar 7 are in sliding connection, so that the auxiliary ladder 2 can move more stably and smoothly on the surface of the main ladder 1.

[0028] Referring to Figure 2 As shown in FIG. 4, the limiting structure 5 includes a sliding rod hole 501 formed through the side rod of the main ladder 1, a connecting rod 503 is in sliding connection in the sliding rod hole 501, a clamping block groove 502 is formed in the T-shaped sliding bar 7 to be in communication with the sliding rod hole 501, a slope clamping block 504 is sleeved in the clamping block groove 502, the tip of the slope clamping block 504 is located upward, the end of the connecting rod 503 is fixedly connected with the slope clamping block 504, a plurality of positioning grooves 506 are formed in the T-shaped sliding groove 8 to be in clamping connection with the slope clamping block 504, a spring 505 is connected between the slope clamping block 504 and the inner bottom of the clamping block groove 502, and the spring 505 is sleeved outside the connecting rod 503, the cross section of the slope clamping block 504 is rectangular and is in clearance fit with the clamping block groove 502, the positions of the plurality of positioning grooves 506 correspond to the positions of the plurality of steps of the auxiliary ladder 2 one by one, when the auxiliary ladder 2 is lengthened, the positioning grooves 506 constantly press the slope clamping block 504 to overcome the elastic force of the spring 505 and retract into the movable cavity 402, after being lengthened to a suitable height, the slope clamping block 504 is clamped into the positioning grooves 506 under the elastic force of the spring 505, so as to prevent the auxiliary ladder 2 from sliding toward the bottom support beam 3, when it is needed to retract the auxiliary ladder 2, the slope clamping block 504 can be retracted into the clamping block groove 502 by pulling the connecting rod 503, so that the slope clamping block 504 is not clamped with the positioning grooves 506, at this time, the auxiliary ladder 2 can be freely moved, the positioning grooves 506 correspond to the positions of the steps one by one, so that the plurality of steps on the main ladder 1 and the auxiliary ladder 2 correspond to each other one by one after the slope clamping block 504 is clamped with the positioning grooves 506, which is more regular and the climbing process is more smooth.

[0029] Referring to Figure 5 As shown in FIG. 4, the electric adjusting structure 4 includes a motor compartment 401 and a movable cavity 402 formed in the lower end of the side rod of the main ladder 1, the lower end of the movable cavity 402 is in communication with the outside, a threaded rod 404 is rotatably connected in the movable cavity 402, a motor 403 is fixedly installed in the motor compartment 401 to drive the threaded rod 404 to rotate, an adjusting column 405 is fixedly connected to the upper surface of the n-shaped ear plate 13 and is sleeved in the movable cavity 402, a threaded hole 406 is formed in the adjusting column 405 to be in threaded connection with the threaded rod 404, the threaded rod 404 is in threaded connection with the threaded hole 406 by controlling the motor 403 to drive the threaded rod 404 to rotate, so as to drive the adjusting column 405 to stretch out or retract in the movable cavity 402, thereby adjusting the inclination angle of the bottom support beam 3.

[0030] Referring to Figure 6As shown, the opening end of the n-shaped lug 13 is fixedly connected with a fixed shaft 302, the two sides of the bottom support beam 3 are provided with a sleeve hole 303 sleeved with the fixed shaft 302, the two ends of the bottom support beam 3 are fixedly connected with a rubber base 301, the length of the sleeve hole 303 is 1.5 times of the fixed shaft 302, and the two fixed shafts 302 are located on the opposite sides of the two sleeve holes 303, respectively, the bottom support beam 3 can be angularly rotated with the two fixed shafts 302 as the shafts through the sleeve of the fixed shaft 302 and the sleeve hole 303, the rubber base 301 can make the main ladder 1 more stable when leaning against the wall, the length of the sleeve hole 303 is slightly longer than the diameter of the fixed shaft 302, so that the bottom support beam 3 has a certain degree of deformation activity range when adjusting (since the length of the sleeve hole 303 is slightly longer than the diameter of the fixed shaft 302, the situation of large amplitude shaking during use can be avoided), and meanwhile, the two fixed shafts 302 are located on the opposite sides of the two sleeve holes 303, respectively, so that the bottom support beam 3 can be in a completely retracted state to avoid left and right shaking.

[0031] Specifically, the lower ends of the main ladder 1 are fixedly provided with a battery 10 on both sides, the controller 9 and the motor 403 are powered by the battery 10, the output end of the controller 9 is electrically connected with the input end of the motor 403, the rear side of the controller 9 is fixedly connected with a plug rod 11, the plurality of steps of the auxiliary ladder 2 are provided with a plug hole 12 sleeved with the plug rod 11, the upper ends of the auxiliary ladder 2 are fixedly connected with a hook 6 on both sides, the plug hole 12 provided on the plurality of steps can facilitate carrying the controller 9 to climb high, and after climbing to a suitable height, the controller 9 can be hung by the plug rod 11, so as to be adjusted at any time, the controller 9 is provided with two groups of control buttons for respectively controlling the two motors 403, each group of control buttons is provided with an up key, a stop key and a down key, and the battery 10 can make the ladder free from the length constraint of the electric wire under the electric control function, so as to be carried for work, and the hook 6 can be lapped with the upper end of the building to form a stable and reliable ladder structure.

[0032] Before leaning against the wall, the auxiliary ladder 2 is stretched on the ground, in the stretching process, the positioning groove 506 constantly extrudes the slope clamping block 504 to overcome the elastic force of the spring 505 and retract into the movable cavity 402, after stretching to a suitable height, the slope clamping block 504 is clamped into the positioning groove 506 under the elastic force of the spring 505, so as to prevent the auxiliary ladder 2 from sliding towards the bottom support beam 3, and then the stretched main ladder 1 and the auxiliary ladder 2 are leaned against the wall, the controller 9 is used to adjust the movement of the n-shaped lug 13 on one side according to the ground condition, so that the bottom support beam 3 on the side is away from the lower end of the main ladder 1, and then the main ladder 1 is climbed after being vertically stable.

[0033] The above merely describes a specific implementation of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A single-sided, bidirectional, electrically powered, stable and reliable construction ladder, characterized in that: The system includes a main ladder (1), an auxiliary ladder (2), and a bottom support beam (3). The upper side wall of the main ladder (1) is provided with a sliding connector for moving the auxiliary ladder (2) up and down. The upper side of the main ladder (1) is provided with a limiting structure (5) for fixing the height position of the auxiliary ladder (2). The lower ends of the main ladder (1) are provided with n-shaped ear plates (13) on both sides, and the two n-shaped ear plates (13) are rotatably connected to the two sides of the bottom support beam (3). The lower ends of the main ladder (1) are provided with an electric adjustment structure (4) for moving the n-shaped ear plates (13) closer or further away. The auxiliary ladder (2) is provided with a controller (9) that is electrically connected to the electric adjustment structure (4).

2. The single-sided, bidirectional, electrically powered, stable and reliable construction ladder according to claim 1, characterized in that: The sliding connector includes T-shaped slide bars (7) fixedly connected to both sides of the upper end of the main ladder (1), and T-shaped slide grooves (8) that are slidably connected to the T-shaped slide bars (7) are provided on both sides of the auxiliary ladder (2).

3. A single-sided, bidirectional, electrically powered, stable and reliable construction ladder according to claim 2, characterized in that: The limiting structure (5) includes a sliding rod hole (501) that passes through the side rod of the main ladder (1). A connecting rod (503) is slidably connected in the sliding rod hole (501). A locking groove (502) communicating with the sliding rod hole (501) is provided on the T-shaped slide bar (7). A slope locking block (504) is fitted in the locking groove (502), and the tip of the slope locking block (504) is located at the top. The end of the connecting rod (503) is fixedly connected to the slope locking block (504). A number of positioning grooves (506) that engage with the slope locking block (504) are provided in the T-shaped slide groove (8).

4. A single-sided, bidirectional, electrically powered, stable and reliable construction ladder according to claim 3, characterized in that: A spring (505) is connected between the slope block (504) and the inner bottom of the block groove (502), and the spring (505) is sleeved on the outside of the connecting rod (503). The slope block (504) has a rectangular cross section and is in clearance fit with the block groove (502). The positions of several positioning grooves (506) correspond one-to-one with the positions of several steps on the auxiliary ladder (2).

5. A single-sided, bidirectional, electrically powered, stable and reliable construction ladder according to claim 1, characterized in that: The electric adjustment structure (4) includes a motor compartment (401) and a movable cavity (402) located at the lower end of the side rod of the main ladder (1). The lower end of the movable cavity (402) is connected to the outside. A threaded rod (404) is rotatably connected in the movable cavity (402). A motor (403) for driving the threaded rod (404) to rotate is fixedly installed in the motor compartment (401). An adjustment column (405) sleeved in the movable cavity (402) is fixedly connected to the upper surface of the n-shaped ear plate (13). A threaded hole (406) for threaded connection with the threaded rod (404) is opened in the adjustment column (405).

6. A single-sided, bidirectional, electrically powered, stable and reliable construction ladder according to claim 1, characterized in that: The open end of the n-shaped ear plate (13) is fixedly connected to a fixed shaft (302), and both sides of the bottom support beam (3) are provided with sleeve holes (303) that fit with the fixed shaft (302). Both ends of the bottom support beam (3) are fixedly connected to rubber bases (301).

7. A single-sided, bidirectional, electrically powered, stable and reliable construction ladder according to claim 6, characterized in that: The length of the sleeve hole (303) is 1.5 times that of the fixed shaft (302), and the two fixed shafts (302) are located on opposite sides of the two sleeve holes (303).

8. A single-sided, bidirectional, electrically powered, stable and reliable construction ladder according to claim 5, characterized in that: The main ladder (1) has batteries (10) fixedly installed on both sides of its lower end. The controller (9) and the motor (403) are powered by the batteries (10). The output end of the controller (9) is electrically connected to the input end of the motor (403). The back side of the controller (9) is fixedly connected to a plug rod (11). One end of several steps of the auxiliary ladder (2) is provided with a plug hole (12) for insertion into the plug rod (11). The upper sides of the auxiliary ladder (2) are fixedly connected to hooks (6).

Images