CN220909580U - Mouse cage climbing ladder - Google Patents

Abstract

The utility model provides a squirrel-cage boarding ladder, which comprises a boarding ladder body, a guardrail assembly and a hanging ladder, wherein the boarding ladder body comprises a fixed ladder frame, pedal assemblies, supporting feet, supporting hanging teeth and a fixed cross rod, a plurality of pedal assemblies are arranged on the fixed ladder frame, the guardrail assembly is arranged on the top end side of the front surface of the fixed ladder frame, the supporting feet are arranged at the bottom end of the back surface of the fixed ladder frame, at least one pair of supporting hanging teeth are uniformly arranged on the back surface of the fixed ladder frame, a fixed cross rod is arranged at the bottom end of the fixed ladder frame, and the hanging ladder can be detached on the fixed cross rod; the hanging ladder comprises a hanging ladder frame, a bottom pedal and connecting hanging teeth, wherein the connecting hanging teeth are hung on the fixed cross rod, so that the hanging ladder frame is obliquely hung at the bottom end of the boarding ladder body. The utility model has the advantages of safer and more reliable, longer life cycle, easy management, convenient installation/disassembly, rich use scene and the like. Hang the ladder and step on climbing of many heights of multi-angle can be carried out with step on a ladder body, cooperation supporting legs and support hanging teeth will step on a ladder body and carry out convenient installation in each different positions, make things convenient for dismouting use.

Description

Mouse cage climbing ladder

Technical Field

The utility model relates to the field of ladder frames, in particular to a squirrel cage climbing ladder.

Background

Generally, in order to facilitate passengers or locomotive drivers to get on and off, a boarding ladder may be provided at the front, rear or side of the vehicle to provide support steps for the passengers or locomotive drivers.

The square cabin boarding ladder is a tool for people to get on and off the square cabin, the boarding ladder is required to be firm and reliable, the boarding ladder is generally made of round steel pipes and steel plates, paint is coated on the surface of the boarding ladder, the boarding ladder is a frequently-trampled object, the paint is easy to fall off, and the boarding ladder is more in welding parts, so that the common boarding ladder is not attractive in appearance. In addition, as the shelter is a carrier which can be used on the chassis of the automobile and the ground at the same time, different requirements are also imposed on the length of the boarding ladder.

At present, most of traditional boarding ladder designs adopt screw fixing technology. The screw fixing defects mainly include loosening and falling of screw and nut after long-term use, rust of the screw and nut after wind blowing and rain spraying, attractive appearance, troublesome treatment and potential safety hazard even caused by loosening and falling of the screw. The guardrail is generally a circle of thin iron sheet, and the time has been for a long time, and the problems such as wind, sun shine, corrosion also can appear in succession to lead to the structural degradation, probably can appear touching the dangerous condition of just breaking for the whole instability of product increases, brings life risk for the customer uses.

Disclosure of utility model

The utility model aims to provide a squirrel cage climbing ladder which is convenient to assemble and disassemble, can randomly adjust the size and angle, and is wide in application height.

In order to achieve the above purpose, the utility model provides a squirrel cage climbing ladder, comprising a climbing ladder body, a guardrail assembly and a hanging ladder, wherein:

The climbing ladder body comprises a fixed ladder frame, pedal assemblies, supporting feet, supporting hanging teeth and a fixed cross rod, wherein a plurality of pedal assemblies are uniformly arranged on the fixed ladder frame, and the tread surface of each pedal assembly is perpendicular to the extension surface of the fixed ladder frame; the guardrail assembly is arranged at the top end side of the front surface of the fixed ladder frame, a pair of supporting legs are arranged at the bottom end of the back surface of the fixed ladder frame, at least one pair of supporting hanging teeth are uniformly arranged at the back surface of the fixed ladder frame, a fixed cross rod is arranged at the bottom end of the fixed ladder frame, and the hanging ladder is detachably fixed on the fixed cross rod;

The hanging ladder comprises a hanging ladder frame, a bottom pedal and connecting hanging teeth, wherein the connecting hanging teeth are hung on the fixed cross rod, so that the hanging ladder frame is obliquely hung at the bottom end of the boarding ladder body.

Further, in the squirrel cage boarding ladder, the end part of the supporting leg is provided with a fixed panel, the fixed panel is provided with a mounting slot, the end part of the supporting hanging tooth is provided with a hook rod of a bending hook buckle, and the supporting leg and the bottom side of a rod body of the supporting hanging tooth are both provided with oblique leg supports fixed with the fixed ladder frame.

Further, in the squirrel cage boarding ladder, the pedal assembly includes pedal hack lever, pedal body, pedal support folded plate, pedal strengthening rib and pedal strengthening foot, pedal hack lever both ends welded fastening is in fixed ladder frame inboard, pedal frame lever top side is equipped with the pedal body, the back of pedal hack lever is even arranges at least two pedal support folded plate, namely the two folded plate outsides of pedal support folded plate respectively with pedal hack lever and pedal body are fixed, and the triangle respectively perpendicular to be fixed on the central line of pedal support folded plate inboard is gone up to the both sides side of pedal strengthening rib, pedal frame lever both ends bottom side symmetry be equipped with respectively with fixed pedal strengthening foot of fixed ladder frame.

Further, in the squirrel-cage boarding ladder, the pedal body is provided with anti-skid patterns, and the surface of the pedal body is perpendicular to the surface of the fixed ladder frame.

Further, in the cage climbing ladder, the guardrail assembly comprises semi-arc frame bars and guide rods, each frame bar arranged at intervals is connected in a guiding way through at least two guide rods, and the end parts of the frame bars are detachably connected with the fixed ladder frame.

Furthermore, in the squirrel cage climbing ladder, connecting pieces are symmetrically arranged on two sides of the fixed ladder frame, end portions of the frame bars are fixed in the connecting pieces in an inserting mode, and the fixed ladder frame and the connecting pieces are locked through pins.

Further, in the squirrel cage climbing ladder, one end of the connecting piece is provided with a hook buckle, the other end of the connecting piece is provided with a slot, the hook buckle is fixed on the outer side of the fixed ladder frame, the frame rail is inserted and clamped on the inner side of the slot, fixing holes which correspondingly penetrate are formed in the upper side and the lower side of the slot, mounting holes which correspond to the positions of the fixing holes are formed in the end portions of the frame rail, and the pins penetrate and fix the fixing holes and the mounting holes.

Further, in the squirrel cage climbing ladder, the bottom feet of the hanging ladder frame are arranged in a beveling mode, and anti-skid foot pads are arranged on the end faces of the bottom feet of the hanging ladder frame along the tangential plane.

Further, in the squirrel-cage boarding ladder, anti-skid patterns are arranged on the bottom pedal, and an included angle between the surface of the bottom pedal and the surface of the hanging ladder frame is 30-60 degrees.

Further, in the squirrel cage climbing ladder, an included angle between the hanging ladder and the fixed ladder frame is 0-60 degrees.

Compared with the prior art, the utility model has the beneficial effects that: the method has the advantages of being safer and more reliable, longer in life cycle, easy to manage, convenient to install/detach, rich in use scene and the like. Carry out the climbing of multi-angle multi-height through detachable hanging ladder and climbing a ladder body, cooperation supporting legs and support hanging teeth will step on a ladder body and carry out convenient installation in each different positions, make things convenient for the dismouting to use.

Meanwhile, the guardrail adopts a plurality of frame fences to surround the reinforced safety, and a plurality of guide rods are additionally added to strengthen the stability and safety of the whole structure, so that the damage to the guardrail caused by long-time wind and sun-dried rust is avoided. Meanwhile, the welding and fixing of the pedal assembly can avoid the safety problems of loosening, falling off and the like of screw connection, and the bearing capacity of each part of the pedal assembly is improved through the reinforcing structure of the combined connection.

Drawings

FIG. 1 is a schematic diagram of a three-dimensional structure of a cage climbing ladder of the utility model;

FIG. 2 is a schematic side view of a cage climbing ladder according to the present utility model;

FIG. 3 is a schematic view of the structure of the hanging ladder of the present utility model;

Fig. 4 and 5 are schematic structural views of a boarding ladder body in the present utility model;

FIG. 6 is a schematic view of a pedal assembly according to the present utility model;

fig. 7 is a schematic diagram of a connection structure between a guardrail assembly and a boarding ladder body in the present utility model.

Detailed Description

The present utility model will now be described in more detail with reference to the drawings, in which preferred embodiments of the present utility model are shown, it being understood that the person skilled in the art can modify the utility model described herein while still achieving the advantageous effects of the utility model. Accordingly, the following description is to be construed as broadly known to those skilled in the art and not as limiting the utility model.

In the description of the present utility model, it should be noted that, for the azimuth words such as terms "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the azimuth and positional relationships are based on the azimuth or positional relationships shown in the drawings, it is merely for convenience of describing the present utility model and simplifying the description, and it is not to be construed as limiting the specific scope of protection of the present utility model that the device or element referred to must have a specific azimuth configuration and operation.

In the present utility model, unless explicitly stated and limited otherwise, the terms "assembled," "connected," and "connected" are to be construed broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; can be directly connected or connected through an intermediate medium, and can be communicated with the inside of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The utility model is more particularly described by way of example in the following paragraphs with reference to the drawings. The advantages and features of the present utility model will become more apparent from the following description. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the utility model.

As shown in fig. 1 to 2, the present utility model provides a squirrel cage boarding ladder, which comprises a boarding ladder body 1, a guardrail assembly 2 and a hanging ladder 3, wherein the boarding ladder body 1 comprises a fixed ladder frame 11, a pedal assembly 12, supporting feet 13, supporting hanging teeth 14 and a fixed cross bar 15, a plurality of pedal assemblies 12 are uniformly arranged on the fixed ladder frame 11, and the tread surface of the pedal assembly 12 is perpendicular to the extension surface of the fixed ladder frame 11; the guardrail assembly 2 is arranged on the top side of the front surface of the fixed ladder frame 11, a pair of supporting legs 13 are arranged at the bottom end of the back surface of the fixed ladder frame 11, at least a pair of supporting hanging teeth 14 are uniformly arranged on the back surface of the fixed ladder frame 11, a fixed cross rod 15 is arranged at the bottom end of the fixed ladder frame 11, and the hanging ladder 3 is detachably fixed on the fixed cross rod 15.

Meanwhile, as shown in fig. 4 to 5, the main structure of the boarding ladder body 1 is made of aluminum alloy, the end parts of the supporting legs 13 are provided with fixing panels 131, the fixing panels 131 are provided with mounting slots 132, and the fixing ladder frame 11 is only installed and fixed through the supporting legs 13, namely, is fixed with a bulkhead by screws, and can be detachably connected to increase safety. And the end of the supporting hanging tooth 14 is provided with a hook rod 141 of a bending hook buckle, namely, other positions of the fixed ladder frame 11 are hooked and fixed through the supporting hanging tooth 14. Therefore, the whole fixed ladder frame 11 is hooked and positioned through the supporting hanging teeth 14 during installation, and then the supporting legs 13 are used for installation and locking, so that the boarding ladder body 1 is quickly installed at a preset position. Wherein, the bottom sides of the rod bodies of the supporting feet 13 and the supporting hanging teeth 14 are respectively provided with a bevel foot support 16 which is fixed with the fixed ladder frame 11 so as to increase the supporting strength.

Further, as shown in fig. 4 to 6, the two ends of the pedal assembly 12 are welded and fixed on the inner side of the fixed ladder frame 11, which is safer than the conventional screw fixation, and the safety problems such as loosening and falling of screws after a long time are not worried about, and the whole pedal assembly 12 is made of aluminum alloy. In addition, in order to prevent the safety implications possibly caused by structural problems, the pedal structure of a whole plate is not adopted independently, but the pedal is structurally reinforced, namely, the pedal structure is respectively subjected to multiple structural reinforcing treatments. Specifically, the pedal assembly 12 includes a pedal frame rod 121, a pedal body 122, a pedal support flap 123, a pedal reinforcing rib 124 and pedal reinforcing feet 125, wherein two ends of the pedal frame rod 121 are welded and fixed on the inner side of the fixed ladder frame 11, the top side of the pedal frame rod 121 is provided with the pedal body 122, at least two pedal support flaps 123 are uniformly arranged on the back of the pedal frame rod 121, namely, the two flap outsides of the pedal support flap 123 are respectively fixed with the pedal frame rod 121 and the pedal body 122, and two sides of the triangular pedal reinforcing rib 124 are respectively and vertically fixed on the central line of the inner side of the pedal support flap 123, and the pedal reinforcing feet 125 respectively fixed with the fixed ladder frame 11 are symmetrically arranged on the bottom sides of two ends of the pedal frame rod 121. And the pedal body 122 is provided with anti-slip patterns to prevent safety accidents caused by sole slipping when people climb. And the tread body 122 is perpendicular to the fixed frame 11.

Further, as shown in fig. 4 to 5, the guardrail assembly 2 comprises a semi-arc frame rail 21 and guide rods 22, the guardrail assembly 2 adopts a stainless steel square tube rounding process, and a plurality of frame rails 21 which are arranged around and at intervals are connected in a guiding way through the 3 guide rods 22, so that the overall structure and the safety can be enhanced, and even if the guardrail assembly is used for many years, the problem of rust to the material of the boarding ladder due to long-time wind and insolation is avoided. And the end of the frame rail 21 is detachably connected with the fixed ladder frame 11, so that the assembly and the replacement are convenient. Since the connecting pieces 4 are symmetrically arranged on two sides of the fixed ladder frame 11, the end parts of the frame bars 21 are inserted and clamped in the connecting pieces 4, and the fixed ladder frame 11 and the connecting pieces 4 are locked by the pins 41.

Specifically, as shown in fig. 7, one end of the connecting piece 4 is provided with a hook, the other end is provided with a slot, the hook is fastened on the outer side of the fixed ladder frame 11, the frame rail 21 is fastened on the inner side of the slot, the upper side and the lower side of the slot are provided with fixing holes 42 which correspondingly penetrate through, the end part of the frame rail 21 is provided with mounting holes 211 which correspond to the positions of the fixing holes 42, and the pin 41 penetrates through the fixing holes 42 and the mounting holes 211.

Further, as shown in fig. 3, the hanging ladder 3 includes a hanging ladder frame 31, a bottom pedal 32 and a connecting hanging tooth 33, and the connecting hanging tooth 33 is hooked on the fixed cross bar 15, so that the hanging ladder frame 31 is obliquely hung at the bottom end of the boarding ladder body 1. Wherein, the footing of hanging ladder frame 31 is the chamfer setting, and the footing terminal surface of hanging ladder frame 31 is equipped with anti-skidding callus on the sole 34 along the tangent plane, and anti-skidding callus on the sole 34 and the section bar fixed connection who hangs ladder frame 31 can deal with the impact to the ladder to increase the life of ladder. And the bottom pedal 32 is provided with anti-slip patterns so as to prevent safety accidents caused by skidding of the sole when people climb. The angle between the face of the bottom step 32 and the face of the hanging ladder frame 31 is 30 deg. -60 deg., preferably 55 deg. in this embodiment.

Further, as shown in fig. 2, the included angle between the hanging ladder 3 and the fixed ladder frame 11 is 0 ° -60 °, preferably 30 ° -55 °, as shown in fig. 2, which is 35 °.

Further, as shown in fig. 1, the top ends of the fixed ladder frame 11 and the hanging ladder frame 31 are respectively provided with an end cover, so that the pipe orifice at the top end of the ladder frame is prevented from scratching workers, and the use safety of the boarding ladder is improved.

The application adopts an aluminum alloy cage climbing ladder, which consists of two sections of aluminum-combined climbing ladder bodies 1 and hanging ladders 3, wherein the climbing ladder bodies 1 with guardrail assemblies 2 are fixed on a bulkhead, supporting hanging teeth 14 are arranged at the top and the middle of the climbing ladder bodies 1, supporting feet 13 and a fixed cross rod 15 are arranged at the bottom, aluminum alloy connecting hanging teeth 33 are arranged at the top of the aluminum alloy hanging ladders 3, when in use, the connecting hanging teeth 33 of the hanging ladders 3 can be arranged on the fixed cross rod 15 at the bottom of the fixed ladder frame 11, and when not in use, the hanging ladders 3 can be detached and retracted, and the climbing ladder bodies 1 can be hung at the bottom or the side surface of a carriage. And in special cases, the hanging ladder 3 can be independently used, and the stainless steel guardrail assembly 2 is safer and more reliable and durable because the country prescribes two meters away from the ground to work at high altitude. Because the pedal assembly 12 is also made of aluminum alloy plate, the pedal assembly is attractive in appearance and is not easy to damage even after being stepped on for many times. And the angle between the hanging ladder 3 and the fixed ladder frame 11 can be automatically adjusted according to the requirement.

When the stair climbing frame is used, the supporting hanging teeth 14 on the back of the stair climbing body 1 can be hung on the top of a carriage or an eave, and the supporting feet 13 are used for supporting the wall surface or the square bulkhead, so that the fixed stair frame 11 is kept in a stable state, and the supporting hanging teeth 14 and the supporting feet 13 are supported by the inclined foot supports 16 of independent square tubes, so that the overall structure is reinforced, and the stair climbing frame is prevented from being damaged. The pedal bodies 122 of the pedal assemblies 12 in the boarding ladder body 1 are allocated according to the length of the fixed ladder frame 11, each pedal body 122 is provided with two pedal reinforcing feet 125 for fixation, and the structural strength is further enhanced. The whole body of the hanging ladder 3 is fixed by screws, so that various parts, such as the bottom pedal 32 and the connecting hanging teeth 33, can be replaced conveniently due to long-time use. The connecting hanging teeth 33 are hung on the fixed cross rod 15 at the bottom end of the climbing ladder body 1, so that the two ladders are connected, and a place with higher climbing height can be climbed. The structure that the connection hanging tooth 33 is designed to have the unhooking prevention function can prevent to hang the unexpected unhooking of ladder 3, causes the potential safety hazard, can directly hang climbing ladder body 1 and hanging ladder 3 on the square bulkhead when packing up, gets along with the use along with getting safe convenient and reliable.

In summary, in this embodiment, the squirrel cage climbing ladder that proposes has advantages such as safer and more reliable, life cycle is longer, easy to manage, be convenient for installation/dismantlement and use scene are abundant. The guardrail adopts a plurality of frame bars to surround the reinforced safety, and a plurality of guide rods are additionally added to strengthen the stability and the safety of the whole structure, so that the damage to the guardrail caused by long-time wind and sun-dried rust is avoided. Meanwhile, the welding and fixing of the pedal assembly can avoid the safety problems of loosening, falling off and the like of screw connection, and the bearing capacity of each part of the pedal assembly is improved through the reinforcing structure of the combined connection.

The foregoing is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Any person skilled in the art will make any equivalent substitution or modification to the technical solution and technical content disclosed in the utility model without departing from the scope of the technical solution of the utility model, and the technical solution of the utility model is not departing from the scope of the utility model.

Claims (10)

1. The utility model provides a squirrel cage is stepped on top ladder, its characterized in that includes step on top ladder body (1), guardrail subassembly (2) and hangs ladder (3), wherein:

The climbing ladder body (1) comprises a fixed ladder frame (11), pedal assemblies (12), supporting legs (13), supporting hanging teeth (14) and a fixed cross rod (15), wherein a plurality of pedal assemblies (12) are uniformly arranged on the fixed ladder frame (11), and the tread surface of each pedal assembly (12) is perpendicular to the extension surface of the corresponding fixed ladder frame (11); the guardrail assembly (2) is arranged on the top side of the front surface of the fixed ladder frame (11), a pair of supporting legs (13) are arranged at the bottom end of the back surface of the fixed ladder frame (11), at least one pair of supporting hanging teeth (14) are uniformly arranged on the back surface of the fixed ladder frame (11), a fixed cross rod (15) is arranged at the bottom end of the fixed ladder frame (11), and the hanging ladder (3) is detachably fixed on the fixed cross rod (15);

The hanging ladder (3) comprises a hanging ladder frame (31), a bottom pedal (32) and connecting hanging teeth (33), wherein the connecting hanging teeth (33) are hung on the fixed cross rod (15), so that the hanging ladder frame (31) is obliquely hung at the bottom end of the boarding ladder body (1).

2. The mouse cage climbing ladder according to claim 1, characterized in that the end part of the supporting leg (13) is provided with a fixed panel (131), the fixed panel (131) is provided with a mounting slot hole (132), the end part of the supporting hanging tooth (14) is provided with a hook rod (141) of a bending hook buckle, and the bottom sides of the rod bodies of the supporting leg (13) and the supporting hanging tooth (14) are both provided with a bevel leg support (16) fixed with the fixed ladder frame (11).

3. The mouse cage climbing ladder according to claim 2, wherein the pedal assembly (12) comprises a pedal frame rod (121), a pedal body (122), pedal support folded plates (123), pedal reinforcing ribs (124) and pedal reinforcing feet (125), two ends of the pedal frame rod (121) are welded and fixed on the inner side of the fixed ladder frame (11), the top side of the pedal frame rod (121) is provided with the pedal body (122), at least two pedal support folded plates (123) are uniformly arranged on the back side of the pedal frame rod (121), namely, two folded plate outer sides of the pedal support folded plates (123) are respectively fixed with the pedal frame rod (121) and the pedal body (122), two side sides of the triangular pedal reinforcing ribs (124) are respectively and vertically fixed on a central line of the inner side of the pedal support folded plates (123), and two end bottom sides of the pedal frame rod (121) are symmetrically provided with the pedal reinforcing feet (125) which are respectively fixed with the fixed ladder frame (11).

4. A squirrel cage boarding ladder according to claim 3, characterized in that the pedal body (122) is provided with anti-slip patterns, and the surface of the pedal body (122) is perpendicular to the surface of the fixed ladder frame (11).

5. A squirrel cage boarding ladder according to claim 1, characterized in that the guardrail assembly (2) comprises semi-arc frame bars (21) and guide rods (22), each frame bar (21) arranged at intervals is connected in a guiding way through at least two guide rods (22), and the end parts of the frame bars (21) are detachably connected with the fixed ladder frame (11).

6. The mouse cage climbing ladder according to claim 5, characterized in that the two sides of the fixed ladder frame (11) are symmetrically provided with connecting pieces (4), the end part of the frame rail (21) is inserted and clamped in the connecting pieces (4), and the fixed ladder frame (11) and the connecting pieces (4) are locked through pins (41).

7. The mouse cage climbing ladder according to claim 6, wherein one end of the connecting piece (4) is provided with a hook buckle, the other end of the connecting piece is provided with a slot, the hook buckle is fixed on the outer side of the fixed ladder frame (11), the frame rail (21) is inserted and clamped on the inner side of the slot, fixing holes (42) which correspondingly penetrate through the upper side and the lower side of the slot are formed in the upper side and the lower side of the slot, mounting holes (211) which correspond to the fixing holes (42) in position are formed in the end portions of the frame rail (21), and the pins (41) penetrate and fix the fixing holes (42) and the mounting holes (211).

8. The mouse cage climbing ladder according to claim 1, characterized in that the feet of the hanging ladder frame (31) are arranged in a beveling way, and the end surfaces of the feet of the hanging ladder frame (31) are provided with anti-skid foot pads (34) along the tangential surfaces.

9. The squirrel cage boarding ladder of claim 1, characterized in that the bottom pedal (32) is provided with anti-skid patterns, and the included angle between the surface of the bottom pedal (32) and the surface of the hanging ladder frame (31) is 30-60 degrees.

10. A squirrel cage boarding ladder according to claim 1, characterized in that the angle between the hanging ladder (3) and the fixed ladder frame (11) is 0-60 °.