CN211949761U

CN211949761U - Simple step ladder

Info

Publication number: CN211949761U
Application number: CN201922176145.8U
Authority: CN
Inventors: 黄明华; 陆建新; 刘奔; 彭绍源; 汤小明; 周鹏; 裴扬; 李晶
Original assignee: China Construction Steel Structure Corp Ltd
Current assignee: China Construction Science and Industry Corp Ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-11-17
Anticipated expiration: 2029-12-06

Abstract

The utility model discloses a simple step ladder, including supporting part, installation department, footboard portion and handrail portion, the supporting part includes first support column, and the installation department includes installed part and retaining member, and the retaining member can pass installed part and locking, is fixed with a plurality of footboard portions along the extending direction of first support column, and footboard portion includes the step board, and handrail portion installs in the lateral part of supporting part, and handrail portion includes the support fence of being connected with the step board, and the top on support fence is fixed with the handrail fence. The simple step ladder of the utility model is fixedly connected with the device to be constructed by arranging the installation part, and the installation part can be locked by the locking part after being connected with the device to be constructed, thereby improving the connection strength between the simple step ladder and the device to be constructed and avoiding the simple step ladder from sliding or shaking in the construction process; and constructors can hold the handrail part to keep balance in the walking process, so that the construction safety is further improved.

Description

Simple step ladder

Technical Field

The utility model belongs to the technical field of the construction equipment technique and specifically relates to a simple and easy step is related to.

Background

With the continuous breakthrough of the land reclamation engineering technology in China, the dado steel cylinder gradually begins to be widely used due to good adaptability to the severe environments such as soft soil foundations and the like. Because the dado steel drum has the characteristics that the volume is big, when carrying out the construction, need adopt auxiliary fixtures or bed-jig, constructor need be equipped with the cat ladder of corresponding height or the operation is stepped on to the construction position usually.

Traditional cat ladder or step are installed in the construction position with the mode that articulates usually, and the step is easily overturned or is slided along the construction part, and factor of safety is lower, is unfavorable for constructor's safety construction, influences the construction progress.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a simple and easy step ladder can overcome the defect that step ladder construction factor of safety is low.

An embodiment of the utility model provides a simple and easy step ladder, include:

a support portion comprising a first support post;

the mounting part is fixed at the top end of the first support column and comprises a mounting part and a locking part, and the locking part can penetrate through the mounting part and is locked;

the pedal parts are fixed along the extending direction of the first supporting column and comprise pedal plates;

the handrail portion, handrail portion install in the lateral part of supporting part, handrail portion include with the support fence that the flier is connected, the top of support fence is fixed with handrail fence.

The embodiment of the utility model provides an in simple and easy step ladder have following beneficial effect at least:

the simple step ladder of the utility model is fixedly connected with the device to be constructed by arranging the installation part, and the installation part can be locked by the locking part after being connected with the device to be constructed, thereby improving the connection strength between the simple step ladder and the device to be constructed and avoiding the simple step ladder from sliding or shaking in the construction process; and constructors can hold the handrail part to keep balance in the walking process, so that the construction safety is further improved.

According to the utility model discloses a simple and easy step of other embodiments, the installed part is equipped with the mounting groove, the retaining member can be followed pass in the mounting groove.

According to the utility model discloses a simple and easy step of other embodiments, the tip of handrail fence is equipped with the portion of bending, the portion of bending is the arc.

According to the utility model discloses a simple and easy step ladder of other embodiments, the handrail fence with first support column is parallel.

According to the utility model discloses a simple and easy step ladder of other embodiments, each all be connected with on the step plate the support fence.

According to the utility model discloses a simple and easy step ladder of other embodiments, it is adjacent be connected with the enhancement fence between the support fence.

According to the utility model discloses a simple and easy step ladder of other embodiments, the step board based on with the junction of first support column is along deviating from the direction tilt up of first support column.

According to the utility model discloses a simple and easy step ladder of other embodiments, the supporting part still includes the second support column, the both ends of second support column respectively with the flier reaches first support columnar connection.

According to the utility model discloses a simple and easy step ladder of other embodiments, the step board is the fretwork form.

According to the utility model discloses a simple and easy step ladder of other embodiments, first support column based on with the junction downward sloping of installation department.

Drawings

FIG. 1 is a perspective view of one embodiment of a simple step ladder;

FIG. 2 is a side view of the simple step ladder of FIG. 1;

fig. 3 is a schematic structural view of the simple step ladder according to the embodiment after installation.

Detailed Description

The conception and the resulting technical effects of the present invention will be described clearly and completely with reference to the following embodiments, so that the objects, features and effects of the present invention can be fully understood. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention.

In the description of the embodiments of the present invention, if an orientation description is referred to, for example, the directions or positional relationships indicated by "upper", "lower", "front", "rear", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, only for convenience of description and simplification of description, but not for indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the description of the embodiments of the present invention, if a feature is referred to as being "disposed", "fixed", "connected", or "mounted" on another feature, it can be directly disposed, fixed, or connected to the other feature or indirectly disposed, fixed, connected, or mounted on the other feature. In the description of the embodiments of the present invention, if "a plurality" is referred to, it means one or more, if "a plurality" is referred to, it means two or more, if "greater than", "less than" or "more than" is referred to, it is understood that the number is not included, and if "more than", "less than" or "within" is referred to, it is understood that the number is included. If reference is made to "first" or "second", this should be understood to distinguish between features and not to indicate or imply relative importance or to implicitly indicate the number of indicated features or to implicitly indicate the precedence of the indicated features.

Fig. 1 is a schematic structural view of an embodiment of a simple step ladder, fig. 2 is a side view of an embodiment of a simple step ladder, referring to fig. 1 and fig. 2, the simple step ladder in the embodiment includes a support portion 100, an installation portion 200, a pedal portion 300 and a handrail portion 400, the installation portion 200 is used for being connected with a device to be constructed, so as to fix the simple step ladder on the device to be constructed, the support portion 100 is connected with the installation portion 200, and provides an installation foundation for other components, so as to play a main supporting role, the pedal portion 300 is fixed on the support portion 100, so as to provide a passage for constructors to get on and off the device to be constructed, so that constructors can conveniently tread or transport construction tools, and the handrail portion 400 is used for being held when the constructors walk. Specifically, the supporting part 100 includes a first supporting column 110, the mounting part 200 includes a mounting part 210 and a locking part 220, the first supporting column 110 is fixedly mounted on the mounting part 210 to realize the fixed connection between the supporting part 100 and the mounting part 200, the locking part 220 can penetrate through the mounting part 210 and be locked, and after the mounting part 210 is connected with the device to be constructed, the fixed connection between the mounting part 200 and the device to be constructed can be realized by inserting the locking part 220 into the mounting part 210 and the device to be constructed; a plurality of pedal portions 300 are fixed along the extending direction of the first support column 110, and the pedal portion 300 includes a plurality of step plates 310 for a worker to step on; the armrest part 400 is installed at a side portion of the support part 100, the armrest part 400 includes a support rail 410 and an armrest rail 420, the support rail 410 is fixedly connected with the tread plate 310, the armrest rail 420 is installed at a top portion of the support rail 410, and the support rail 410 is used for supporting the armrest rail 420 so that the armrest rail 420 is located at a proper height for a constructor to conveniently hold.

The simple step ladder in the embodiment is fixedly connected with the device to be constructed by arranging the mounting part 200, and the mounting part 210 can be locked by the locking part 220 after being connected with the device to be constructed, so that the connection strength between the simple step ladder and the device to be constructed is improved, and the simple step ladder is prevented from sliding or shaking in the use process; and constructors can hold the handrail part 400 to keep balance in the walking process, thereby further improving the construction safety.

The mounting member 210 further includes a mounting groove 211, the device to be constructed can be inserted into the mounting groove 211, the locking member 220 is inserted into the mounting member 210 from the top, passes through the device to be constructed in the mounting groove 211 and penetrates out from the bottom of the mounting member 210, and the locking member 220 can realize the fixed connection between the mounting member 210 and the device to be constructed. The mounting piece 210 can be made of a steel plate, the section of the mounting piece 210 is U-shaped, and the length of the mounting piece 210 can be reasonably selected according to the specific structure of the device to be constructed; the locking part 220 can adopt bolts, and after the bolts are locked, the locking part 220 forms a stable point of the simple step ladder and the device to be constructed, so that the simple step ladder is prevented from overturning or sliding relative to the device to be constructed; and through adopting this locking mode, make simple and easy step ladder can treat construction equipment assembly with the difference and fix, make simple and easy step ladder be applicable to different service environment, have higher range of application.

One end of the first support column 110 is fixedly connected to the mounting member 210, and it should be noted that an included angle between the first support column 110 and the mounting member 210 is 45 °, so that a stable support structure is formed between the first support column 110 and the mounting member 210, and the structural strength between the support portion 100 and the mounting portion 200 is improved. The first support column 110 is a bearing center of the simple step ladder, after the first support column 110 is connected with a device to be constructed, stress unloading is realized, the first support column 110 is downwards inclined based on the connection part with the installation part 200, so that the first support column 110 can be abutted and fixed with the ground or other installation surfaces, and after the lower end of the first support column 110 is connected with the bottom surface or other bearing surfaces, the load bearing stress sharing is realized; the first support column 110 may be a circular steel tube, and is made of Q235 material.

The support portion 100 further includes a second support column 120, two ends of the second support column 120 are respectively connected to the step plate 310 and the first support column 110, the second support column 120 assists the first support column 110 to support the step plate 310, and the second support column 120 mainly supports the step plate 310; it should be noted that the included angles between the first supporting columns 110, between the step plate 310 and the second supporting columns 120, and between the first supporting columns 110 and the second supporting columns 120 of the step plate 310 may be set to 60 °, so that stable triangular structures are formed between the first supporting columns 110, the second supporting columns 120, and the step plate 310, so that the first supporting columns 110 and the second supporting columns 120 provide stable support for the step plate 310, and the force applied to the step plate 310 is transmitted to the first supporting columns 110 and the second supporting columns 120 for unloading. The second supporting pillar 120 may be made of a strip steel plate, and may be made of Q235 material.

The step plate 310 is inclined upwards in the direction away from the first support column 110 based on the connection part with the first support column 110, so that the constructor can stably step on the step plate when walking, the constructor is prevented from sliding off the step plate 310, and the construction safety is improved; the inclination means that the step plate 310 is inclined slightly upward based on a horizontal plane, but the step plate 310 may be set in a horizontal state. The number and the interval of the step plates 310 may be properly set according to the length of the first support column 110, the structure of the device to be constructed, and the like. The step plate 310 can constitute the rectangle structure by many bar steel boards, and the step plate 310 is the fretwork form, under the prerequisite of function is trampled in the assurance, reduces step plate 310 materials and has alleviateed step plate 310's weight, makes simple and easy step more portably.

Each step plate 310 is connected with a support fence 410, the support fences 410 connected to the same step plate 310 can be one or more, the support fences 410 can be strip-shaped steel plates, the length of each support fence 410 can be reasonably set according to specific construction conditions, and sufficient activity space is provided for the walking of constructors. The handrail 420 is installed on the top of the support columns 410, and the handrail 420 and the support columns 410 form a stable structure by the connection and fixation of the plurality of support columns 410 and the handrail 420, and the connection structure of the handrail 420 and the support columns 410 is reinforced, so that the handrail 420 can provide a stable holding function for a constructor. The reinforcing bars 430 are further connected between the adjacent support bars 410, and the structural strength of the armrest portion 400 is increased by the provision of the reinforcing bars 430, so that the armrest portion 400 can be prevented from being deformed or inclined during use, and the armrest portion 400 can be stably connected to the pedal portion 300. The handrail 420 may be parallel to the first support column 110, so that when the constructor walks along the step part 300, the handrail 420 may be always at a proper height for the constructor to hold, thereby facilitating the constructor to walk; the tip of handrail fence 420 is equipped with the portion 421 of bending, and this portion 421 of bending provides helping hand and direction for constructor when constructor climbs flier 310, improves the convenience that constructor walked, and the portion 421 of bending in this embodiment sets up to the arc to buckle downwards, avoid the tip of handrail fence 420 to stab the constructor palm, perhaps catch on the object, so that influence constructor along the normal climbing of step. The handrail 420 may be a circular steel pipe, and is bent at its end to form a bent portion 421.

The fixing connection among the different parts of the simple step ladder in this embodiment can be completed by welding, such as the connection among the handrail fence 420, the supporting fence 410, and the reinforcing fence 430, the connection among the step plate 310, the first supporting column 110, and the second supporting column 120, etc., and the manufacture is simpler; and each part in the simple step ladder can adopt corner materials of a construction site, so that the materials are convenient to transfer, the processing cost is low, and the simple step ladder has higher economic practicability.

Fig. 3 is a schematic view showing a structure of a simple step ladder after being installed on a device to be constructed, the simple step ladder being completely fixed to the device to be constructed by an installation part 200, a constructor climbing up to the device to be constructed step by stepping on a step plate 310, and holding a handrail part 400 to be balanced during walking, so that the simple step ladder has high construction safety.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art. Furthermore, the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.

Claims

1. A simple step ladder, comprising:

a support portion comprising a first support post;

2. The simple step ladder of claim 1, wherein the mounting member is provided with a mounting groove, and the locking member is capable of passing through the mounting groove.

3. The simple step ladder of claim 1, wherein the handrail is provided with a bent portion at an end thereof, and the bent portion is arc-shaped.

4. The simple step ladder of claim 1 or 3, wherein the handrail is parallel to the first support column.

5. The simple step ladder of claim 1, wherein each step plate is connected with the support bars.

6. The simple step ladder of claim 5, wherein a reinforcement bar is connected between adjacent support bars.

7. The simple step ladder of claim 1, wherein the step plate is inclined upward in a direction away from the first support column based on a connection with the first support column.

8. The simple step ladder of claim 1, wherein the support portion further comprises a second support pillar, and both ends of the second support pillar are connected to the step plate and the first support pillar, respectively.

9. The simple step ladder of claim 1, wherein the step plate is hollowed out.

10. The simple step ladder of claim 1, wherein the first support pillar is inclined downward based on a connection with the mounting portion.