CN108843230B - A ladder with adjustable tread bar spacing - Google Patents

Abstract

The invention discloses a climbing ladder with adjustable step bar spacing, comprising a ladder body, fixed rails are arranged on both sides of the ladder body, a groove body is formed on the inner rod surface of the fixed rail, and the groove body There are a plurality of openings on the upper part, and a plurality of push plug cylinders are introduced into the outer part of the fixed support rod corresponding to the position of the groove body, and a plurality of stepping rods are installed between the groove bodies. A plurality of hydraulically supported telescopic rods are vertically connected, and two ends of the pedal rod are respectively provided with elastic-pressing clamping teeth, and the two ends of the pedaling rod slide against the groove body through the elastic-pressing clamping teeth. In the above-mentioned manner, the present invention can freely adjust the distance between the steps of the ladder, so as to adapt to different work requirements and use requirements of different personnel.

Description

A ladder with adjustable tread bar spacing

technical field

The invention relates to the field of climbing ladders, in particular to a climbing ladder capable of adjusting the distance between step bars.

Background technique

The ladder is a tool for climbing. There are no guardrails on both sides of the ladder. Any two points can bear twice the weight of the human body. Each rung must be able to bear the weight of the human body. There are regulations for distance and materials. There can be a fixed back ring or no fixed back ring. If the height exceeds a certain height, there must be a rest platform. Temporary ladders do not have guardrails and must have a 4x insurance factor. However, the structure of traditional climbing ladders is fixed, the steps of the ladder cannot be adjusted according to the needs, and the spacing between the climbing rods cannot be adjusted to improve the climbing efficiency when working at low altitudes, nor can the spacing between climbing rods be adjusted when working at high altitudes. effect.

SUMMARY OF THE INVENTION

The main technical problem to be solved by the present invention is to provide a climbing ladder with adjustable step bar spacing, which can freely adjust the spacing between the steps of the ladder, so as to adapt to different work requirements and use requirements of different personnel.

In order to solve the above-mentioned technical problems, a technical solution adopted by the present invention is to provide a climbing ladder with adjustable tread bar spacing, including a ladder body, and fixed rails are arranged on both sides of the ladder body, and the inner rod surface of the fixed rail is provided. A groove body is opened on the groove body, a plurality of openings are formed on the groove body, and a plurality of push plug cylinders are introduced on the outside of the fixed support rod corresponding to the position of the groove body, and one end of the push plug cylinder body is horizontal It is introduced into the opening laterally, the other end of the push plug cylinder protrudes from the outer rod surface of the fixed support rod, a plurality of pedal rods are installed between the groove bodies, and the pedal rods are vertical A plurality of hydraulic support telescopic rods are connected to each other, and both ends of the pedaling rod are respectively provided with elastic-pressing clamping teeth, the elastic-pressing clamping teeth are respectively extended out of the end faces on both sides of the pedaling rod, and the elastic-pressing clamping teeth are connected with the A compression spring body is connected between the side end surfaces of the pedal rod, one end of the elastic-pressing tooth is fixedly connected with the compression spring body, and the other end of the elastic-pressing tooth protrudes a ball-shaped plug body, and the pedal rod has two ends. The end slides against the groove body through the elastic pressing teeth.

In a preferred embodiment of the present invention, the pedaling rod is fixed between the fixed rails by the elastic-pressing teeth being clamped into the groove, and the fixed rails on both sides of the ladder body The groove bodies are arranged symmetrically with each other, and the pedal rods are inserted into the groove bodies and arranged horizontally and horizontally.

In a preferred embodiment of the present invention, granular anti-skid patterns are protruded on both the fixed support rod and the pedal rod.

In a preferred embodiment of the present invention, the elastic-pressing tooth is a ball-shaped tooth, and the pedal rod is fixed on the fixed support rod by being clamped into the opening by the elastic-pressing tooth. During this time, the pedal rod moves on the groove body to adjust the spacing by pushing the push plug cylinder into the opening and extruding the elastic-pressing teeth.

The beneficial effects of the present invention are: the present invention can freely adjust the spacing between the steps of the ladder, so as to adapt to different work requirements and the use requirements of different personnel, and can increase the spacing between the pedaling rods during low-altitude operations, which is convenient for rapid climbing and improves climbing performance. Climbing efficiency, and when working at heights, the distance between the pedals can be adjusted to be smaller, so that the builder can pedal more stably and improve safety.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, under the premise of no creative work, other drawings can also be obtained from these drawings, wherein:

1 is a schematic structural diagram of a preferred embodiment of a climbing ladder with adjustable step-bar spacing according to the present invention;

The markings of the components in the accompanying drawings are as follows: 1. Ladder body; 2. Fixed support rod; 3. Groove body; 4. Opening; 5. Push plug cylinder; 6. Stepping rod; 8. Elastomeric clamping teeth; 9. Compression spring body; 10. Ball-type plug body.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Please refer to FIG. 1, an embodiment of the present invention includes:

A climbing ladder capable of adjusting the distance between steps, comprising a ladder body 1, a fixed rail 2 is provided on both sides of the ladder main body 1, and a groove body 3 is provided on the inner side of the fixed rail 2, and the groove body 3 is provided. The body 3 is provided with a plurality of openings 4, and a plurality of push plug cylinders 5 are introduced on the outside of the fixed support rod 2 corresponding to the groove body 3, and one end of the push plug cylinder 5 is horizontally and laterally introduced into the In the opening 4, the other end of the push plug cylinder 5 protrudes from the outer rod surface of the fixed support rod 2, and a plurality of pedal rods 6 are installed between the groove bodies 3, and between the pedal rods 6 A plurality of hydraulic support telescopic rods 7 are vertically connected, and two ends of the pedaling rod 6 are respectively provided with elastic-pressing clamping teeth 8. A compression spring body 9 is connected between the elastic pressing tooth 8 and the side end face of the pedal rod 6 , one end of the elastic pressing tooth 8 is fixedly connected with the compression spring body 9 , and the other end of the elastic pressing tooth 8 extends A spherical plug body 10 is produced, and both ends of the pedal rod 6 slide against the groove body 3 through the elastic-pressing teeth 8 .

In addition, the pedal rod 6 is fixed between the fixed rails 2 by the elastic-pressing teeth 8 being clamped into the groove body 3 , and the fixed rails 2 on both sides of the ladder body 1 are The groove bodies 3 are arranged symmetrically with each other, and the pedal rod 6 is inserted into the groove body 3 and arranged horizontally and horizontally.

In addition, both the fixed support bar 2 and the tread bar 6 are protrudingly provided with granular anti-skid patterns.

In addition, the elastic-pressing tooth 8 is a ball-shaped tooth, and the pedal rod 6 is fixed between the fixed support rods 2 through the elastic-pressing tooth 8 being clamped into the opening 4 . The pedal rod 6 moves on the groove body 3 to adjust the spacing by pushing the plunger cylinder 5 into the opening 4 and extruding the spring-pressing teeth 8 .

The working principle of the present invention is as follows: a fixed support bar 2 is arranged on both sides of the climbing ladder body 1, a groove body 3 is formed on the inner rod surface of the fixed support bar 2, and a plurality of openings 4 are opened on the groove body 3, and the fixed support bar 2 A plurality of plunger cylinders 5 are introduced into the position corresponding to the groove body 3 outside, one end of the plunger cylinder 5 is horizontally and laterally introduced into the opening 4, and the other end of the plunger cylinder 5 protrudes from the outer rod surface of the fixed support rod 2, A plurality of pedal rods 6 are installed between the groove bodies 3, the fixed support rod 2 and the pedal rod 6 are both protruded with granular anti-skid patterns, and a plurality of hydraulic support telescopic rods 7 are vertically connected between the pedal rods 6. The two ends of the pedal rod 6 are respectively provided with elastic pressing teeth 8, the elastic pressing teeth 8 are respectively extended outside the end faces on both sides of the pedal rod 6, and a compression spring body 9 is connected between the elastic pressing teeth 8 and the side end faces of the pedal rod 6, One end of the elastic-pressing tooth 8 is fixedly connected with the compression spring body 9, the other end of the elastic-pressing tooth 8 protrudes from a spherical plug body 10, and the two ends of the pedal rod 6 slide against the groove body 3 through the elastic-pressing tooth 8, The pedal rod 6 is clamped into the groove body 3 by the elastic clamping teeth 8 and is fixed between the fixed support rods 2. The groove bodies 3 on the fixed support rods 2 on both sides of the ladder body 1 are symmetrically arranged with each other, and the pedal rod 6 is clamped into The groove body 3 is arranged horizontally and horizontally at the rear, and the spring-pressed tooth 8 is a spherical tooth. By pushing the plug cylinder 5 into the opening 4 and extruding the elastic-pressing teeth 8 to move on the groove body 3 to adjust the spacing, the climbing ladder body 1 can freely adjust the spacing between the stepping rods 6 of the ladder, so as to adapt to different According to the work requirements and the needs of different personnel, the distance between the pedals 6 can be increased when working at low altitudes to facilitate rapid climbing, and when working at high altitudes, the distance between the pedals 6 can be adjusted smaller, so that the constructor can step on It is stable and improves safety. A hydraulic support telescopic rod 7 is also connected between the pedaling rods 6, so that the pedaling rods 6 can also support and protect each other.

The above descriptions are only the embodiments of the present invention, and are not intended to limit the scope of the patent of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description of the present invention, or directly or indirectly applied in other related technical fields, are all applicable. Similarly, it is included in the scope of patent protection of the present invention.

Claims (1)

1. A ladder with adjustable step bar spacing, comprising a ladder body, characterized in that a fixed rail is provided on both sides of the ladder body, and a groove body is provided on the inner rod surface of the fixed rail, and the concave The groove body is provided with a plurality of openings, and a plurality of push plug cylinders are introduced outside the fixed support rod corresponding to the position of the groove body, and one end of the push plug cylinder is horizontally introduced into the opening holes, so The other end of the push plug cylinder protrudes from the outer rod surface of the fixed support rod, a plurality of stepping rods are installed between the groove bodies, and a plurality of hydraulic support telescopic rods are vertically connected between the stepping rods, The two ends of the pedaling rod are respectively provided with elastic pressing teeth, the elastic pressing clamping teeth are respectively extended out of the end faces on both sides of the pedaling rod, and the elastic pressing clamping teeth are connected with the side end surfaces of the pedaling rod. A spring body, one end of the elastic-pressing tooth is fixedly connected to the compression spring body, the other end of the elastic-pressing tooth protrudes a spherical plug body, and both ends of the pedal rod are pressed against the The groove body slides; the pedal rod is clamped into the groove body by the elastic-pressing teeth to be fixed between the fixed support rods, and the fixed support rods on both sides of the ladder body are fixed between the fixed support rods. The groove bodies are arranged symmetrically to each other, and the pedal rods are inserted into the groove bodies and then arranged horizontally and horizontally; granular anti-skid patterns are protruded on both the fixed support rod and the pedal rod.