Telescopic protective climbing ladder

Abstract

The utility model relates to the field of engineering construction, in particular to a telescopic protection type climbing ladder which comprises a telescopic ladder, bases are arranged at the lower ends of two telescopic rod pieces of the telescopic ladder, fixing rod pieces are vertically fixed to the upper ends of the two telescopic rod pieces of the telescopic ladder, and a U-shaped protection cage is fixed to the front portions of the two fixing rod pieces. Pedals are fixed between the two fixing rod pieces at intervals from top to bottom, and hooks are fixed to the upper ends of the fixing rod pieces. The ladder stand is beneficial to solving the safety problem that operators use an upper channel and a lower channel in the construction process, and is convenient to transfer and store.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of engineering construction, concretely relates to a telescopic protective up and down ladder. BACKGROUND

[0002] With the development of engineering industry, the working environment of the working personnel at the construction site is diversified, and the phenomenon that the working point elevation is lower than the construction passage elevation often occurs, so the personnel must reach the working position by using up and down passage.

[0003] In the working environment with large elevation difference, the traditional method often uses self-made temporary ladder. The up and down ladder is welded by square steel or reinforcing steel, and the personnel is in great danger during climbing. During the engineering construction period, the up and down ladder needs to be moved irregularly, the traditional ladder is heavy, and the transportation cannot be completed by manpower, so the engineering machinery needs to be used for lifting, which is not conducive to cost saving.

[0004] Therefore, a telescopic protective up and down ladder is needed. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at providing a telescopic protective up and down ladder, which helps to solve the safety problem of the working personnel using up and down passage during construction, and is convenient for transportation and storage.

[0006] The technical scheme of the utility model is as follows: a telescopic protective up and down ladder, comprising a telescopic ladder, the lower end of the two telescopic rod members of the telescopic ladder is provided with a base, the upper end of the two telescopic rod members of the telescopic ladder is vertically fixed with a fixed rod member, a U-shaped protective cage is fixed in front of the two fixed rod members, a stepping plate is fixed between the two fixed rod members from top to bottom, and a hook is fixed at the upper end of the fixed rod member.

[0007] Further, the telescopic ladder comprises telescopic rod members composed of a plurality of pipe members which are sequentially sleeved, engineering plastic knots are arranged between the two adjacent pipe members, and stepping plates are fixed between the two engineering plastic knots at the same height.

[0008] Further, the two side edges of the U-shaped protective cage are welded and fixed on the corresponding fixed rod members.

[0009] Further, the stepping plate is an antiskid stepping plate.

[0010] Further, the hook is an engineering plastic hook.

[0011] Further, the pipe member of the telescopic rod member, the stepping plate, the fixed rod member and the U-shaped protective cage are all made of aluminum alloy material.

[0012] Compared with the prior art, the utility model has the following advantages:

[0013] The utility model provides a kind of ladder for solving the safety and convenience of personnel to use up and down passageway in construction process.

[0014] 1.The ladder helps to realize the quickness of personnel to use up and down passageway, and the height can be freely adjusted according to needs, which makes it can easily cope with different height work requirements without frequent replacement of different height ladders, is convenient to carry and store, does not occupy too much space, saves time and manpower.

[0015] 2.The guardrail of the ladder can prevent the user from falling due to loss of balance during use, thereby providing higher safety guarantee, and the pedal of the ladder adopts anti-slip design to ensure stability during use.

[0016] 3.The ladder is made of aluminum alloy material, which is not only hard and not easy to deform, but also has good corrosion resistance, so as to ensure long-term use of the ladder. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 is the front view of the utility model;

[0018] Fig. 2 is the top view of the utility model;

[0019] Fig. 3 is the ladder retracted state diagram of the utility model;

[0020] Fig. 4 is the ladder unfolded state diagram of the utility model;

[0021] In the figure: 101-Engineering plastic hook; 201-Round cage; 202-Fixed rod; 3-Extension ladder; 301-Tube; 302-Engineering plastic knot; 303-Anti-slip wide step; 304-Bottom. DETAILED DESCRIPTION

[0022] To make the above features and advantages of the utility model more obvious and easy to understand, the following examples are given, and the details are described as follows with the help of drawings, but the utility model is not limited to this.

[0023] REFERENCE Figs. 1 to 4

[0024] A telescopic protective up-and-down ladder, comprising a telescopic ladder 3, the lower end of each telescopic rod of the telescopic ladder is provided with a base 304, the upper end of each telescopic rod of the telescopic ladder is vertically fixed with a fixed rod 202, a U-shaped protective cage 201 is fixed at the front of the two fixed rods, the fixed rods are not telescopic during the U-shaped protective cage stage of the ladder, ensuring the safety of personnel climbing up and down; a plurality of steps 303 are fixed between the two fixed rods from top to bottom; a hook 101 is fixed at the upper end of each fixed rod, the ladder can be hung on a fulcrum under various working conditions through the hook, ensuring stability.

[0025] In this embodiment, the telescopic ladder can be a commercially available telescopic ladder, for example, the telescopic ladder can comprise telescopic rods composed of a plurality of pipe joints 301 connected in sequence, locking structures are arranged between adjacent two pipe joints, and engineering plastic sleeve joints 302 are arranged between adjacent two pipe joints, and steps are fixed between two engineering plastic sleeve joints at the same height. The engineering plastic sleeve joints connect the wide steps and the telescopic rods, and separate the upper and lower pipe joints.

[0026] In this embodiment, the two side edges of the U-shaped protective cage are fixed on the corresponding fixed rods by welding, realizing the connection and fixation of the U-shaped protective cage and the fixed rods.

[0027] In this embodiment, the hook is an engineering plastic hook, and the step is an anti-skid step, which is connected and fixed with the fixed rod through the engineering plastic sleeve joint.

[0028] In this embodiment, the pipe joints, steps, fixed rods and U-shaped protective cage of the telescopic rod are all made of aluminum alloy, which helps to reduce the weight of the entire ladder.

[0029] The use mode of the ladder is as follows:

[0030] For example, when the cast-in-place lower cross beam of a water transportation project is constructed, the ladder is used to reach the cast-in-place lower cross beam work point from the temporary steel trestle.

[0031] Step S1, unfolding the up-and-down ladder on the steel trestle;

[0032] Step S2, suspending the engineering plastic hook 101 of the ladder on the rail of the temporary steel trestle;

[0033] Step S3, adjusting the telescopic rod 301 of the ladder to an appropriate length;

[0034] Step S4, adjusting the base 304 to ensure the stability of the supporting surface;

[0035] Step S5, personnel passing through the circular protective cage 201 from the temporary steel trestle, and gradually passing through the anti-skid wide steps 303 to the cast-in-place lower cross beam construction site;

[0036] Step S6, personnel from cast-in-place lower cross beam construction site through anti-skid wide step 303, through the circular cage 201 to the temporary steel trestle;

[0037] Step S7, on the temporary steel trestle, the up and down ladder is collected and moved to the next construction site.

[0038] If the utility model discloses or involves mutually fixed connection parts or structural members, then, except for another declaration, fixed connection can be understood as: detachable fixed connection (for example, bolt or screw connection), and also can be understood as: non-detachable fixed connection (for example, riveting, welding), of course, mutual fixed connection can also be replaced by integral structure (for example, integrally formed by using casting process) (obviously, integral forming process cannot be adopted except for another declaration).

[0039] In addition, the terms used for indicating position relationship or shape in any of the technical solutions disclosed in the utility model above include approximate, similar or close states or shapes, except for another declaration.

[0040] Any component provided by the utility model can be assembled by multiple individual components, or can be an individual component manufactured by integral forming process.

[0041] The above is only the preferred embodiment of the utility model, and any change and modification made according to the patent application scope of the utility model should belong to the coverage range of the utility model.

Claims

1. A retractable and protective ladder for climbing up and down, comprising a telescopic ladder, characterized in that, The telescopic ladder has a base at the lower end of each of the two telescopic rods, and a fixed rod is vertically fixed at the upper end of each of the two telescopic rods. A U-shaped safety cage is fixed at the front of the two fixed rods, and a step is fixed between the two fixed rods from top to bottom. A hook is fixed at the upper end of each fixed rod.

2. The retractable protective ladder according to claim 1, characterized in that, The telescopic ladder includes a telescopic rod composed of several sections of tubing connected in sequence. An engineering plastic sleeve is provided between two adjacent tubing sections, and a step is fixed between two engineering plastic sleeves at the same height.

3. A retractable protective ladder according to claim 1 or 2, characterized in that, Both sides of the U-shaped cage are welded and fixed to the corresponding fixing rods.

4. A retractable protective ladder according to claim 1 or 2, characterized in that, The pedal is an anti-slip pedal.

5. A retractable protective ladder according to claim 1, characterized in that, The hook is an engineering plastic hook.

6. A retractable protective ladder for ascending and descending stairs according to claim 1, 2, or 5, characterized in that, The tubular components, pedals, fixing rods, and U-shaped cage of the telescopic rod are all made of aluminum alloy.

Images