CN219570004U

CN219570004U - Climbing ladder

Info

Publication number: CN219570004U
Application number: CN202320648893.5U
Authority: CN
Inventors: 雷春; 李秋红
Original assignee: Hunan Kuaijie Elevator Co ltd
Current assignee: Hunan Kuaijie Elevator Co ltd
Priority date: 2023-03-29
Filing date: 2023-03-29
Publication date: 2023-08-22
Anticipated expiration: 2033-03-29

Abstract

The utility model discloses a climbing ladder, which belongs to the technical field of exhibition stand protection equipment and comprises two mounting rods, wherein a plurality of pedals are fixedly arranged between the two mounting rods, a cavity is formed in each pedal, a bidirectional screw rod is rotatably arranged in each cavity, one end of each bidirectional screw rod extends out of each pedal and is fixedly provided with a hand wheel, two sliding blocks are arranged in each cavity and are respectively and spirally arranged on the outer surfaces of two sections of threads of each bidirectional screw rod, two supporting plates are slidably arranged in each cavity, two ends of each sliding block are hinged with hinging rods, and the end parts of each hinging rod on the same side are hinged with the supporting plates on the same side; the two sliding blocks are mutually close to each other and drive the supporting plate on the same side to slide out of the pedal through the hinge rod on the same side, so that the supporting area of the pedal can be increased, long-time maintenance operation is convenient for workers by means of the pedal, and the pedal is simple to operate, convenient to use and high in practicality.

Description

Climbing ladder

Technical Field

The utility model belongs to the technical field of elevator maintenance equipment, and particularly relates to a climbing ladder.

Background

An elevator is a permanent transportation device serving a number of specific floors in a building, the car of which runs on at least two rows of rigid rails running perpendicular to the horizontal plane or inclined at an angle of less than 15 ° to the plumb line, and when the equipment inside the elevator car is maintained, it is necessary to maintain and replace the equipment inside the elevator car by means of a climbing ladder because the top of the car is high.

The existing climbing ladder is mainly composed of two mounting rods and a plurality of pedals fixedly mounted between the two mounting rods, the supporting area of each pedal is limited and has no adjusting function, feet on the pedal are easy to fatigue, workers are inconvenient to maintain and operate by means of the climbing ladder for a long time, the climbing ladder is limited in use, the bottom of the climbing ladder is lack of a reinforcing device, the climbing ladder is easy to deviate and slide when in use, and certain potential safety hazards exist.

Disclosure of Invention

The utility model aims to provide a climbing ladder, which aims to solve the problems that the prior climbing ladder in the prior art is mainly composed of two mounting rods and a plurality of pedals fixedly mounted between the two mounting rods, the support area of each pedal is limited and has no adjusting function, the feet standing on the pedals for a long time are easy to fatigue, workers are inconvenient to maintain and operate on the climbing ladder for a long time, the use is limited, the bottom of the climbing ladder is lack of a reinforcing device, the climbing ladder is easy to deviate and slide during use, and certain potential safety hazards exist.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a climbing ladder, includes the installation pole, the quantity of installation pole has two, two fixed mounting has a plurality of footboard between the installation pole, set up cavity and cavity internal rotation in the footboard and install two-way lead screw, the one end of two-way lead screw extends to the footboard and fixed mounting has the hand wheel outward, be provided with two sliders in the cavity, two the slider is threaded mounting respectively at the surface of two sections screw threads of two-way lead screw, slidable mounting has two backup pads in the cavity, the both ends of slider all articulate there is the articulated pole, and is two on the same side the tip of articulated pole all articulates with the backup pad on the same side mutually, the bottom of installation pole is provided with the reinforcement subassembly, two the tip of installation pole articulates there is same support frame.

By adopting the scheme, through setting up slide bar, two-way lead screw, slider, backup pad, articulated lever and footboard, rotate the hand wheel and drive two-way lead screw and rotate, two-way lead screw rotates and drives two sliders and be close to each other, and two sliders are close to each other and drive the roll-off of backup pad follow footboard of homonymy through the articulated lever of homonymy to can increase the bearing area of footboard, the workman of being convenient for carries out long-time maintenance operation with the help of the footboard, easy operation, it is convenient to use, the practicality is strong.

As a preferable implementation mode, a sliding rod is fixedly arranged in the cavity at one side of the bidirectional screw rod, and the sliding block is slidably arranged on the outer surface of the sliding rod.

By adopting the scheme, the sliding rod can guide and limit the movement of the sliding block, so that the sliding block is prevented from deviating and rotating in the process of moving on the bidirectional screw rod, and the movement stability of the sliding block is improved.

As a preferred implementation mode, the reinforcement assembly comprises two sliding sleeves, the sliding sleeves are fixedly arranged on the outer surface of the installation rod, the sliding sleeves are slidably arranged on the outer surface of the installation rod, the outer surfaces of the sliding sleeves are hinged with a plurality of outer cylinders, the outer surfaces of the sliding sleeves are hinged with a plurality of connecting rods, the other ends of the connecting rods are hinged with the outer cylinders in the same vertical plane, threaded rods are arranged at the bottom threads of the outer cylinders, and supporting feet are fixedly arranged at the bottom ends of the threaded rods.

By adopting the scheme, the opening angle of the outer barrel can be adjusted by the sliding sleeve at the lower part according to the angle of the mounting rod during use, after the opening angle is adjusted to a proper angle, the supporting legs are sequentially rotated to drive the threaded rods at the same side to rotate, so that the supporting legs are attached to the using surface and form a stable triangular structure in cooperation with the mounting rod, the mounting rod is reinforced, the stability of the climbing ladder is improved, and the safety coefficient is high.

As a preferred embodiment, a positioning screw is arranged on the outer surface of the sliding sleeve in a threaded manner, and the tail part of the positioning screw penetrates through the sliding sleeve on the same side and is attached to the outer surface of the mounting rod.

By adopting the scheme, the fixing screw can be screwed to fix the position of the lower sliding sleeve, so that the operation is simple and the use is convenient.

As a preferred implementation mode, the locating rod is rotatably arranged on the mounting rod, a locating column is fixedly arranged at one end of the locating rod far away from the mounting rod, and a plurality of locating holes matched with the locating column are formed in the support frame in a penetrating mode.

By adopting the scheme, the locating column on the locating rod is inserted into the corresponding locating hole, so that the angle between the locating rod and the supporting frame can be fixed, and the stability of the climbing ladder in use is further improved.

As a preferred embodiment, the bottom of the mounting rod is hinged with a antiskid plate.

By adopting the scheme, the contact area between the mounting rod and the mounting surface can be increased by arranging the antiskid plate, so that the stability of the climbing ladder in use is further improved.

Compared with the prior art, the utility model has the beneficial effects that:

according to the climbing ladder, the sliding rod, the bidirectional screw rod, the sliding blocks, the supporting plates, the hinging rods and the pedals are arranged, the rotating hand wheel drives the bidirectional screw rod to rotate, the bidirectional screw rod is in rotating fit with the sliding rod to drive the two sliding blocks to be close to each other, the two sliding blocks are close to each other, the hinging rods on the same side drive the supporting plates on the same side to slide out of the pedals, so that the supporting area of the pedals can be increased, a worker can conveniently maintain and operate for a long time by means of the pedals, the operation is simple, the use is convenient, and the practicability is strong;

according to the climbing ladder, the reinforcement component is arranged, the opening angle of the outer cylinder can be adjusted by sliding the lower sliding sleeve according to the angle of the mounting rod during use, the position of the lower sliding sleeve can be fixed by screwing the positioning screw after the angle is adjusted to a proper angle, the supporting legs are sequentially rotated to drive the threaded rods on the same side to rotate, the supporting legs are attached to the using surface and form a stable triangular structure in cooperation with the mounting rod, the mounting rod is reinforced, the stability of the climbing ladder is improved, and the safety coefficient is high;

this climbing ladder is through setting up locating lever, reference column and locating hole, through inserting the reference column on the locating lever in the locating hole that corresponds, can fix the angle between locating lever and the support frame, further improves the stability of climbing ladder when using.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of a pedal according to the present utility model;

FIG. 3 is a schematic view of a reinforcement assembly according to the present utility model;

fig. 4 is a schematic view of another angle structure of the positioning rod of the present utility model.

In the figure: 1. a mounting rod; 2. a pedal; 3. a two-way screw rod; 4. a slide bar; 5. a slide block; 6. a support plate; 7. a hinge rod; 8. a reinforcement assembly; 801. a sliding sleeve; 802. an outer cylinder; 803. a connecting rod; 804. a threaded rod; 805. supporting feet; 806. a set screw; 9. a support frame; 10. a positioning rod; 11. positioning columns; 12. a antiskid plate.

Detailed Description

Referring to fig. 1-4, the utility model provides a climbing ladder, which comprises mounting rods 1, wherein the number of the mounting rods 1 is two, a plurality of pedals 2 are fixedly installed between the two mounting rods 1, a cavity is formed in each pedal 2, a bidirectional screw rod 3 is rotatably installed in each cavity, one end of each bidirectional screw rod 3 extends out of each pedal 2 and is fixedly provided with a hand wheel, two sliding blocks 5 are arranged in each cavity, the two sliding blocks 5 are respectively and spirally installed on the outer surfaces of two sections of threads of each bidirectional screw rod 3, two supporting plates 6 are slidably installed in each cavity, two ends of each sliding block 5 are hinged with hinging rods 7, the end parts of the two hinging rods 7 on the same side are hinged with the supporting plates 6 on the same side, a reinforcing component 8 is arranged at the bottom of each mounting rod 1, the end parts of the two mounting rods 1 are hinged with the same supporting frame 9, the bidirectional screw rod 3 is driven to rotate by rotating the hand wheel, the bidirectional screw rod 3 drives the two sliding blocks 5 to be close to each other, the two sliding blocks 5 are driven by the supporting plates 6 on the same side through the hinging rods 7 on the same side, and accordingly the supporting area of the pedals 2 can be increased, the pedal 2 can be conveniently maintained, the climbing ladder is easy to operate for a long time, and the operation is practical, and convenience is realized.

Wherein, fixed mounting has slide bar 4 in the cavity of two-way lead screw 3 one side, and slider 5 slidable mounting is at the surface of slide bar 4, and slide bar 4 can lead spacing to the motion of slider 5, avoids slider 5 to appear the skew rotation at the in-process of two-way lead screw 3 motion, improves the stability of slider 5 motion.

The reinforcement assembly 8 comprises two sliding sleeves 801, the upper sliding sleeves 801 are fixedly arranged on the outer surface of the installation rod 1, the lower sliding sleeves 801 are slidably arranged on the outer surface of the installation rod 1, the outer surface of each upper sliding sleeve 801 is hinged with a plurality of outer cylinders 802, the outer surface of each lower sliding sleeve 801 is hinged with a plurality of connecting rods 803, the other ends of the connecting rods 803 are hinged with the outer cylinders 802 in the same vertical plane, threaded rods 804 are arranged at the bottom ends of the outer cylinders 802 in a threaded manner, supporting feet 805 are fixedly arranged at the bottom ends of the threaded rods 804, positioning screws 806 are arranged at the outer surfaces of the lower sliding sleeves 801 in a threaded manner, the tail parts of the positioning screws 806 penetrate through the sliding sleeves 801 on the same side and are attached to the outer surface of the installation rod 1, the opening angle of each lower sliding sleeve 801 can be adjusted according to the angle when the installation rod 1 is used, the position of each lower sliding sleeve 801 can be fixed by screwing the positioning screws 806 after the adjusting the angle, and each supporting foot 805 is sequentially rotated to drive the threaded rod 804 on the same side, so that each supporting foot 805 is matched with the installation rod 1 to form a stable triangular structure, the installation rod 1 is reinforced, the stability of the installation rod 1 is increased, and the safety factor of a climbing ladder is increased.

Wherein, rotate on the installation pole 1 and install locating lever 10, the one end fixed mounting that locating lever 10 kept away from installation pole 1 has reference column 11, link up on the support frame 9 and offered the locating hole that a plurality of cooperation reference column 11 used, through inserting the reference column 11 on the locating lever 10 in the locating hole that corresponds, can fix the angle between locating lever 10 and the support frame 9, further improve the stability of climbing ladder when using.

The antiskid plate 12 is hinged to the bottom of the mounting rod 1, so that the contact area between the mounting rod 1 and a mounting surface can be increased, and the stability of the climbing ladder in use is further improved.

When using, adjust the angle between support frame 9 and the installation pole 1 according to the use needs, after adjusting, rotate the locating lever 10 and make the reference column 11 on the locating lever 10 insert corresponding locating hole in, fix the angle between locating lever 10 and the support frame 9 in order to strengthen the stability of climbing ladder when using, then slide below sliding sleeve 801 according to the angle when installation pole 1 uses and adjust the opening angle of urceolus 802, twist set screw 806 after adjusting to suitable angle and can fix the position of below sliding sleeve 801, rotate each supporting legs 805 in proper order and drive the threaded rod 804 rotation of homonymy, make each supporting legs 805 all laminate mutually with the face of use and cooperate installation pole 1 to form stable triangle-shaped structure, consolidate installation pole 1, further increase the stability of climbing ladder, when work carries out the maintenance operation on the climbing ladder for a long time, can rotate and drive two-way lead screw 3 and rotate, two sliders 5 are close to each other through the articulated pole 7 of homonymy drive the backup pad 2 of homonymy with the help of two sliders 5, the pedal 2 is carried out the easy operation, the pedal 2 is convenient to carry out with the help of the pedal 2, the pedal is convenient to use, the pedal is easy to use, the pedal is convenient to carry out.

Claims

1. A climbing ladder, characterized in that: including installation pole (1), the quantity of installation pole (1) has two, two fixed mounting has a plurality of footboard (2) between installation pole (1), cavity and cavity internal rotation have been seted up in footboard (2) and install two-way lead screw (3), the one end of two-way lead screw (3) extends to outside footboard (2) and fixed mounting has the hand wheel, be provided with two slider (5) in the cavity, two slider (5) threaded mounting respectively at the surface of two sections screw threads of two-way lead screw (3), slidable mounting has two backup pads (6) in the cavity, the both ends of slider (5) all articulate articulated pole (7), and two of same side the tip of articulated pole (7) all articulates with backup pad (6) of homonymy mutually, the bottom of installation pole (1) is provided with reinforcement subassembly (8), two the tip of installation pole (1) articulates has same support frame (9).

2. A climbing ladder according to claim 1, characterized in that: a sliding rod (4) is fixedly arranged in a cavity at one side of the bidirectional screw rod (3), and a sliding block (5) is slidably arranged on the outer surface of the sliding rod (4).

3. A climbing ladder according to claim 1, characterized in that: the reinforcing component (8) comprises two sliding sleeves (801), the sliding sleeves (801) are fixedly mounted on the outer surfaces of the mounting rods (1) above, the sliding sleeves (801) are slidably mounted on the outer surfaces of the mounting rods (1) below, the outer surfaces of the sliding sleeves (801) are hinged to a plurality of outer cylinders (802) below, the outer surfaces of the sliding sleeves (801) are hinged to a plurality of connecting rods (803) below, the other ends of the connecting rods (803) are hinged to the outer cylinders (802) in the same vertical plane, threaded rods (804) are mounted on the bottom threads of the outer cylinders (802), and supporting feet (805) are fixedly mounted on the bottom ends of the threaded rods (804).

4. A climbing ladder according to claim 3, wherein: the external surface screw thread of sliding sleeve (801) below install set screw (806), set screw (806) afterbody pass sliding sleeve (801) of homonymy and laminating with the surface of installation pole (1).

5. A climbing ladder according to claim 1, characterized in that: the locating device is characterized in that a locating rod (10) is rotatably installed on the installation rod (1), a locating column (11) is fixedly installed at one end, far away from the installation rod (1), of the locating rod (10), and a plurality of locating holes matched with the locating column (11) are formed in the support frame (9) in a penetrating mode.

6. A climbing ladder according to claim 1, characterized in that: the bottom of the installation rod (1) is hinged with a antiskid plate (12).