CN214196145U - Boarding ladder - Google Patents

Abstract

The utility model provides an it terraced to climb cabin, including the ladder body of ascending cabin, the ladder foot mounting bracket is installed respectively to the lower extreme of ladder frame about the ladder body of ascending cabin, can dismantle the rotatory ladder foot of rotation installation on the ladder foot mounting bracket. This application is through the lower extreme installation ladder foot mounting bracket at the ladder body of stepping on to set up rotatory ladder foot on ladder foot mounting bracket, during the use, the support angle of the rotatory ladder foot of ladder body lower extreme of stepping on is adjusted to the firm back of ladder hook-up of ladder body upper end of stepping on and platform ladder, so that its bottom surface laminating installation ground, has promoted the security of stepping on the use of cabin ladder, has greatly reduced the potential safety hazard.

Description

Boarding ladder

Technical Field

The utility model relates to a safety protection construction technical field, more specifically say, relate to an it is stepped on cabin ladder.

Background

At present, most ladder feet of the shelter boarding ladder on the market are of a planar structure, when a vehicle is parked on an uneven ground, the ladder feet of the shelter boarding ladder can only be in point contact with the ground line, so that the level of a pedal cannot be guaranteed, edges of the ladder feet are abraded, the strength of the shelter boarding ladder is influenced, and great potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a boarding ladder has solved because of the traditional ladder foot angle of boarding ladder can not adjust the technical problem who causes support shakiness, easy wearing and tearing and have the potential safety hazard.

The utility model provides an it terraced to climb cabin, including the ladder body of ascending cabin, ladder foot mounting bracket is installed respectively to the lower extreme of the ladder frame about the ladder body of ascending cabin, the rotatory ladder foot of installation can be dismantled and rotate on the ladder foot mounting bracket.

Preferably, the ladder foot mounting frame is of a shell structure with an opening in the bottom, the bottom of the ladder foot mounting frame is fixedly arranged on the boarding ladder body, a round hole is formed in one side of the ladder foot mounting frame, a threaded sleeve is welded to the inner wall of the other side of the ladder foot mounting frame, a threaded hole is formed in the center of the threaded sleeve, and the round hole and the threaded hole are coaxially arranged.

Preferably, rotatory ladder foot including rotate the installation department with set firmly in rotate the supporting part of bottom surface under the installation department, the middle part of rotating the installation department is equipped with the mounting hole that is used for installing the locking axle, the supporting part is equipped with first anti-skidding structure.

Preferably, the first anti-slip structure is specifically a row of inverted trapezoidal teeth, rectangular teeth, cylindrical teeth or conical teeth.

Preferably, a second anti-skid structure is arranged at the bottom of the first anti-skid structure.

Preferably, the second anti-slip structure is an anti-slip texture.

Preferably, a cushion block is welded on the inner side face of the ladder foot mounting frame, and a set screw used for radially jacking the locking shaft is mounted on the cushion block.

Preferably, a reinforcing plate is welded between the ladder foot mounting frame and the boarding ladder body.

Preferably, the ladder foot mounting frame is welded to the deck-boarding ladder body.

Compared with the prior art, the utility model provides a step on cabin ladder, including installing in the ladder foot mounting bracket of step on cabin ladder body lower extreme, detachable rotation is installed rotatory ladder foot on the ladder foot mounting bracket. This application rotates the rotatory ladder foot of installation through the lower extreme at the ladder body of stepping on, during the use, will step on the hook of ladder body upper end and hang on platform ladder couple, hang the firm back of dress, adjust the support angle of the rotatory ladder foot of ladder body lower extreme of stepping on to make its bottom surface laminating installation ground, guarantee the stationarity and the reliability of support. According to the rotary ladder, the installation angle can be flexibly adjusted according to the ground condition through the arrangement of the rotary ladder feet, the safety of the boarding ladder is improved, and the potential safety hazard is avoided.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a front view of the boarding ladder provided by the present invention;

fig. 2 is a side view of the landing ladder provided by the present invention;

FIG. 3 is a schematic view of another angle of FIG. 2;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 5 is a front view of the swivel ladder foot of FIG. 1;

fig. 6 is a top view of the rotating ladder foot of fig. 1.

Wherein, 1-step on the cabin ladder body, 2-get in touch, 3-ladder foot mounting bracket, 4-rotatory ladder foot, 5-thread bush, 6-cushion, 7-holding screw, 8-reinforcing plate, 9-locking shaft;

41-rotating mounting part, 42-supporting part and 43-mounting hole.

Detailed Description

In order to make the technical field of the present invention better understand, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.

Referring to fig. 1 to 6, fig. 1 is a front view of the landing ladder provided by the present invention; fig. 2 is a side view of the landing ladder provided by the present invention; FIG. 3 is a schematic view of another angle of FIG. 2; FIG. 4 is a cross-sectional view taken along line A-A of FIG. 2; FIG. 5 is a front view of the swivel ladder foot of FIG. 1; fig. 6 is a top view of the rotating ladder foot of fig. 1.

The utility model provides a step on cabin ladder mainly is but not limit to be applied to the shelter, including stepping on cabin ladder body 1, respectively install ladder foot mounting bracket 3 on left ladder frame and the right ladder frame of 1 lower extreme of cabin ladder body, detachable installation revolving ladder foot 4 on ladder foot mounting bracket 3, this revolving ladder foot 4 passes through the connecting piece and rotates the inside wall of installing at ladder foot mounting bracket 3.

When the platform ladder is in operation, the hook 2 of the landing ladder body 1 is hung on the platform ladder hook, the angle of the rotary ladder foot 4 at the other end of the landing ladder body 1 is adjusted in a rotating mode until the rotary ladder foot 4 is attached to the surface of the ground in general, and therefore the landing ladder body 1 is integrally and stably supported on the ground.

Therefore, the boarding ladder provided by the application can adapt to different ground surfaces by arranging the rotary ladder legs 4, the ground support is ensured to be attached, the reliability and the stability of the erection of the boarding ladder are improved, and the use safety is improved so as to ensure the personal safety of a user; when not in use, the rotary ladder feet 4 are detached, thereby facilitating transportation. The novel multifunctional combined tool is simple in structure, convenient to assemble and disassemble, safe and reliable to use, easy to maintain and low in cost.

In a specific embodiment, the ladder foot mounting frame 3 is a shell structure with an open bottom, the bottom of the shell is mounted on the ladder body 1, a round hole is formed in one side of the shell, the threaded sleeve 5 is welded on the inner wall of the other side of the shell, a threaded hole is formed in the center of the threaded sleeve 5, and the round hole and the threaded hole are coaxially arranged. During the installation, rotatory ladder foot 4 passes the round hole in proper order through rotatory fastener and screws to thread bush 5 in, from this installs rotatory ladder foot 4 on the inside wall of ladder foot mounting bracket 3. Further, the ladder foot mounting 3 is not limited to the housing structure, and may be, for example, a plate-like structure.

Ladder foot mounting bracket 3 can weld in the bottom of stepping on cabin ladder body 1, in order to increase ladder foot mounting bracket 3 and the joint strength of stepping on cabin ladder body 1, can install reinforcing plate 8 between the two, reinforcing plate 8 can weld or through bolt fixed connection, utilizes reinforcing plate 8 to be connected ladder foot mounting bracket 3 and stepping on cabin ladder body 1 integratively, with the steadiness of increase installation.

The rotating ladder foot 4 comprises a rotating installation part 41 and a supporting part 42, the supporting part 42 is fixedly arranged on the lower bottom surface of the rotating installation part 41, a mounting hole 43 is formed in the middle of the rotating installation part 41 and used for mounting the locking shaft 9, and a first anti-skidding structure is arranged at the bottom of the supporting part 42 to increase the contact area between the rotating installation part and the ground and prevent skidding.

Preferably, the support portion 42 may be a row of inverted trapezoidal teeth, as shown in fig. 5, and the design of several teeth may increase the grip force and prevent slippage. The first anti-slip structure may also be various, and may be, for example, a rectangular tooth, a cylindrical tooth, a tapered tooth, or the like.

In order to further prevent the occurrence of the slip condition, a second anti-slip structure, such as anti-slip lines, anti-slip protrusions, or fixed anti-slip rubber, may be disposed at the bottom of the first anti-slip structure.

On the basis of the above-mentioned embodiment, in order to prevent that rotatory ladder foot 4 atress when propping up ground from rotating, can be on ladder foot mounting bracket 3 with the medial surface welding cushion 6 of 5 opposite sides of thread bush, set up the screw hole along the direction of perpendicular its thickness on the cushion 6, rotatory ladder foot 4 installation back, utilize holding screw 7 to pass cushion 6 and push up in the outer peripheral face of locking axle 9, so set up, thereby prevent that rotatory ladder foot 4 from becoming flexible and prevent rotating, guarantee the firm nature of rotatory ladder foot 4 installation.

It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.

The above is to the present invention provides a boarding ladder with detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims (9)

1. The boarding ladder comprises a boarding ladder body (1) and is characterized in that ladder foot mounting frames (3) are respectively mounted at the lower ends of a left ladder frame and a right ladder frame of the boarding ladder body (1), and rotary ladder feet (4) are detachably and rotatably mounted on the ladder foot mounting frames (3).

2. The boarding ladder of claim 1, wherein the ladder foot mounting rack (3) is of a shell structure with an opening at the bottom, the bottom of the ladder foot mounting rack (3) is fixedly arranged on the boarding ladder body (1), a round hole is formed in one side of the ladder foot mounting rack (3), a threaded sleeve (5) is welded on the inner wall of the other side of the ladder foot mounting rack, a threaded hole is formed in the center of the threaded sleeve (5), and the round hole and the threaded hole are coaxially arranged.

3. The boarding ladder of claim 2, wherein the rotary ladder foot (4) comprises a rotary mounting part (41) and a supporting part (42) fixedly arranged on the lower bottom surface of the rotary mounting part (41), a mounting hole (43) for mounting a locking shaft (9) is formed in the middle of the rotary mounting part (41), and the supporting part (42) is provided with a first anti-skidding structure.

4. The boarding ladder of claim 3, wherein the first anti-slip structure is embodied as a row of inverted trapezoidal, rectangular, cylindrical or tapered teeth.

5. The boarding ladder of claim 4, wherein a bottom of the first anti-skid structure is provided with a second anti-skid structure.

6. The boarding ladder of claim 5, wherein the second anti-slip structure is an anti-slip texture.

7. The boarding ladder according to any one of claims 3 to 6, characterized in that a spacer (6) is welded to the inner side surface of the ladder foot mounting frame (3), and a set screw (7) for radially pressing the locking shaft (9) is mounted on the spacer (6).

8. The boarding ladder of claim 1, characterized in that a reinforcing plate (8) is welded between the ladder foot mounting frame (3) and the boarding ladder body (1).

9. The landing ladder according to claim 1, wherein the ladder foot mounting brackets (3) are welded to the landing ladder body (1).

Images