Trapezoidal grain surface steel step

Abstract

The utility model belongs to the technical field of inclined ladders, and particularly relates to a steel step with a trapezoidal grain surface, which comprises grain treading plates which are symmetrically arranged, fixed beam rods are symmetrically arranged on two sides of the surface of each grain treading plate, each fixed beam rod is of a double-layer structure, the step plates are welded between the two fixed beam rods at equal intervals, the step plates are flush with the horizontal plane, and the grain treading plates are arranged on the horizontal plane. An upper connecting plate is welded to one end of the top of the fixed beam rod, a lower connecting plate is welded to one end of the bottom of the fixed beam rod, countersunk head fixing holes are symmetrically formed in the surface of the upper connecting plate and the surface of the lower connecting plate, and fixing plug pins are movably inserted into inner cavities of the countersunk head fixing holes. One side of each of the two ends of the step plate is connected with the upper group of fixed beam rods in a welding manner; the cover pressing device is formed by welding the steel pedals, is attractive, elegant, clean and practical after being installed, improves the cover pressing effect, reduces the workload, can be repeatedly used, is flexible, practical and convenient to use, and can be repeatedly used.

Description

Technical Field

[0001] The utility model relates to the technical field of inclined ladders, in particular to a trapezoidal steel step. Background Art

[0002] A granary is a special building for storing grain. It is used to store a large amount of grain. The main features of a tall flat warehouse are that the warehouse is airtight, has good thermal insulation, heat insulation and moisture-proof performance, has a large single warehouse capacity, a long service life, a safe and reliable structure, a low cost and simple construction. During the storage of grain, the staff needs to check the grain in the granary. A patent search found that the publication number is: CN219491876U, which discloses a cast-in-place sloping roof tall grain flat warehouse. The cast-in-place sloping roof tall grain flat warehouse has good air convection effect on the warehouse roof, can realize natural ventilation and heat dissipation on the warehouse roof, and reduce the temperature control energy consumption of the flat warehouse.

[0003] Publication No.: CN219491876U. During the use of a high-rise grain warehouse with a cast-in-place sloping roof, personnel climbing to the top of the drying room have been using sacks stacked in staggered layers as inclined walking steps. In recent years, the company has vigorously promoted grain surface capping. It is difficult to handle the sack steps placed above or below the capping material, which affects the capping effect to a certain extent and is not beautiful. In order to solve the above problems, a trapezoidal grain surface steel step is proposed in this application. Utility Model Content

[0004] (I) Purpose of the utility model

[0005] In order to solve the technical problems existing in the background technology, the utility model proposes a trapezoidal grain surface steel step, which is welded by steel pedals. After installation, it is beautiful and generous, clean and practical, improves the effect after pressing, reduces the workload, and can be used repeatedly. It is flexible, practical, and easy to use, and can be reused to solve the problems raised in the background technology.

[0006] (II) Technical solution

[0007] In order to solve the above technical problems, the utility model provides a trapezoidal grain surface steel step, including a grain tread plate, and the grain tread plate is symmetrically arranged;

[0008] Fixed beams are symmetrically arranged on both sides of the tread plate surface, and the fixed beams are of a double-layer structure. Treads are equidistantly welded between two groups of fixed beams, and the treads are flush with the horizontal plane. An upper connecting plate is welded to one end of the top of the fixed beam, and a lower connecting plate is welded to one end of the bottom of the fixed beam. Countersunk fixing holes are symmetrically opened on the surfaces of the upper connecting plate and the lower connecting plate, and fixing pins are movably inserted into the inner cavities of the countersunk fixing holes.

[0009] Preferably, one side at both ends of the tread is connected to an upper group of fixed beams by welding, and the other side at both ends of the tread is connected to a lower group of fixed beams by welding.

[0010] Preferably, the surface of the tread is pressed with anti-skid protrusions, and the anti-skid protrusions are in a cross-shaped structure.

[0011] Preferably, a limiting plate is welded to the lower surface of the upper connecting plate and the lower connecting plate on one side away from the fixed beam, and the limiting plate is perpendicular to the upper connecting plate and the lower connecting plate respectively.

[0012] Preferably, top caps are welded on the top surfaces of the fixing pins, and the upper surfaces of the top caps are flush with the upper connecting plate and the lower connecting plate respectively.

[0013] Preferably, the top cap surface is provided with a storage groove, and the inner cavity of the storage groove is provided with a folding handle that can be rotated.

[0014] Preferably, one group of the tread plates has side wall surfaces equidistantly provided with splicing holes, and another group of the tread plates has side wall surfaces integrally formed with splicing columns at locations corresponding to the positions of the splicing holes, and the splicing columns are plugged into the splicing holes.

[0015] The above technical solution of the utility model has the following beneficial technical effects:

[0016] 1. The utility model can realize the rapid splicing of two sets of grain tread plates by plugging the splicing columns into the splicing holes. The spliced ​​grain tread plates are laid on the grain surface, which can increase the contact area between the grain surface inclined ladder and the grain surface, avoid the sinking of the grain surface inclined ladder during use, and improve the safety of the grain surface inclined ladder when in use.

[0017] 2. In the utility model, both ends of the grain surface inclined ladder are respectively abutted against the granary cavity wall through the upper connecting plate and the lower connecting plate, so the grain surface inclined ladder can be connected to the granary cavity wall, and the bottoms of the upper connecting plate and the lower connecting plate are respectively inserted into the grain through the limit plates, and at the same time, the fixing pins are plugged into the countersunk fixing holes, and the fixing pins are plugged into the grain, so the grain surface inclined ladder can be fixed to avoid the grain surface inclined ladder from sliding down during use, and the safety of the grain surface inclined ladder during use can be further improved. After installation, it is beautiful, clean and practical, improves the effect after covering, reduces the workload, and can be used repeatedly. It is flexible, practical, and easy to use, and can be reused. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of a trapezoidal grain surface steel step of the utility model;

[0019] Figure 2 This is a schematic diagram of the cross-sectional structure of a trapezoidal grain surface steel step of the utility model;

[0020] Figure 3 This is a schematic diagram of the exploded structure of a trapezoidal grain surface steel step of the utility model;

[0021] Figure 4 This is a schematic diagram of a fixing pin structure of a trapezoidal grain surface steel step of the utility model;

[0022] Figure 5 This is a structural schematic diagram of a grain tread plate with a trapezoidal grain surface steel step according to the utility model;

[0023] Figure 6 The utility model is a structural schematic diagram of a tread plate with a trapezoidal grain surface steel step.

[0024] Reference numerals:

[0025] 1. Tread plate; 2. Fixed beam; 3. Tread plate; 4. Anti-slip protrusion; 5. Upper connecting plate; 6. Lower connecting plate; 7. Limit plate; 8. Countersunk fixing hole; 9. Fixed pin; 10. Top cap; 11. Storage slot; 12. Folding handle; 13. Splicing hole; 14. Splicing column. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in combination with specific implementation methods and with reference to the accompanying drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the utility model. In addition, in the following description, the description of well-known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.

[0027] like Figure 1-5 As shown, the utility model provides a trapezoidal grain surface steel step, comprising a grain tread plate 1, wherein the grain tread plate 1 is symmetrically arranged;

[0028] Fixed beams 2 are symmetrically arranged on both sides of the surface of the tread plate 1, and the fixed beams 2 are of a double-layer structure. Tread plates 3 are equidistantly welded between two groups of the fixed beams 2, and the tread plates 3 are flush with the horizontal plane. An upper connecting plate 5 is welded to one end of the top of the fixed beam 2, and a lower connecting plate 6 is welded to one end of the bottom of the fixed beam 2. Countersunk fixing holes 8 are symmetrically opened on the surfaces of the upper connecting plate 5 and the lower connecting plate 6, and fixing pins 9 are movably inserted into the inner cavities of the countersunk fixing holes 8.

[0029] It should be noted that laying the assembled grain tread plate 1 on the grain surface can increase the contact area between the grain surface inclined ladder and the grain surface, avoid the grain surface inclined ladder from sinking during use, and improve the safety of the grain surface inclined ladder when in use. The two ends of the grain surface inclined ladder are respectively abutted against the granary cavity wall through the upper connecting plate 5 and the lower connecting plate 6, so the grain surface inclined ladder can be connected to the granary cavity wall. The bottom of the upper connecting plate 5 and the lower connecting plate 6 are respectively inserted into the grain through the limit plate 7, and the fixing pins 9 are plugged into the countersunk fixing holes 8. By plugging the fixing pins 9 with the grain, the grain surface inclined ladder can be fixed to avoid the grain surface inclined ladder from sliding down during use, which can further improve the safety of the grain surface inclined ladder when in use.

[0030] In this embodiment, if Figure 1 , Figure 2 and Figure 4 As shown, one side of both ends of the tread plate 3 is welded to an upper group of the fixed beams 2, and the other side of both ends of the tread plate 3 is welded to a lower group of the fixed beams 2.

[0031] It should be noted that there are two groups of fixed beams 2, and the two sides of the step plate 3 are respectively welded to the two groups of fixed beams 2, which can improve the welding stability of the step plate 3 and improve the structural strength of the grain surface inclined ladder.

[0032] In this embodiment, if Figure 1 As shown, the surface of the tread plate 3 is pressed with anti-skid protrusions 4, and the anti-skid protrusions 4 are in a cross-shaped structure.

[0033] It should be noted that the anti-skid protrusions 4 can improve the anti-skid property of the surface of the tread plate 3 .

[0034] In this embodiment, if Figure 3 and Figure 4 As shown, the lower surfaces of the upper connecting plate 5 and the lower connecting plate 6 are both welded with limiting plates 7 on one side away from the fixed beam 2, and the limiting plates 7 are perpendicular to the upper connecting plate 5 and the lower connecting plate 6 respectively.

[0035] In this embodiment, if Figure 3 and Figure 4 As shown, a top cap 10 is welded to the top surface of the fixing pin 9, and the upper surface of the top cap 10 is flush with the upper connecting plate 5 and the lower connecting plate 6 respectively. A storage groove 11 is opened on the surface of the top cap 10, and a folding handle 12 is rotatably provided in the inner cavity of the storage groove 11.

[0036] It should be noted that the top cap 10 is located in the countersunk fixing hole 8, and the upper surface of the top cap 10 is flush with the surfaces of the upper connecting plate 5 and the lower connecting plate 6, respectively, to avoid people tripping due to kicking the top cap 10. The folding handle 12 is folded and stored in the storage groove 11, and the fixing pin 9 can be easily pulled out from the grain through the folding handle 12.

[0037] In this embodiment, if Figure 1 , Figure 5 and Figure 6 As shown, one group of the tread plates 1 has equidistantly formed side wall surfaces with splicing holes 13 , and another group of the tread plates 1 has splicing columns 14 integrally formed at positions corresponding to the splicing holes 13 , and the splicing columns 14 are plugged into the splicing holes 13 .

[0038] It should be noted that by plugging the splicing columns 14 into the splicing holes 13 , two sets of tread plates 1 can be quickly spliced.

[0039] The working principle and use process of the utility model are as follows: by plugging the splicing column 14 into the splicing hole 13, the two groups of grain tread plates 1 can be quickly spliced, and the spliced ​​grain tread plates 1 are laid on the grain surface, which can increase the contact area between the grain surface inclined ladder and the grain surface, avoid the sinking of the grain surface inclined ladder during use, and improve the safety of the grain surface inclined ladder when in use. There are two groups of fixed beams 2, and the two sides of the step plate 3 are respectively welded to the two groups of fixed beams 2, which can improve the stability of the step plate 3 welding and the structural strength of the grain surface inclined ladder. The two ends of the grain surface inclined ladder are respectively connected to the granary cavity wall through the upper connecting plate 5 and the lower connecting plate 6, which can be used to connect the grain surface inclined ladder with the grain surface. The grain silo is connected to the cavity wall, and the bottom of the upper connecting plate 5 and the lower connecting plate 6 are respectively inserted into the grain through the limit plate 7. At the same time, the fixing pins 9 are plugged into the countersunk fixing holes 8. By plugging the fixing pins 9 into the grain, the grain surface inclined ladder can be fixed to avoid the grain surface inclined ladder from sliding down during use, which can further improve the safety of the grain surface inclined ladder when in use. The top cap 10 is located in the countersunk fixing hole 8, and the upper surface of the top cap 10 is flush with the surface of the upper connecting plate 5 and the lower connecting plate 6, respectively, which can avoid kicking the top cap 10 and tripping people. The folding handle 12 is folded and stored in the storage groove 11, and the fixing pins 9 can be easily pulled out of the grain through the folding handle 12.

[0040] It should be understood that the above specific embodiments of the present invention are only used to illustrate or explain the principles of the present invention, and do not constitute a limitation on the present invention. Therefore, any modifications, equivalent substitutions, improvements, etc. made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. In addition, the claims attached to the present invention are intended to cover all changes and modifications that fall within the scope and boundaries of the attached claims or the equivalent forms of such scope and boundaries.

Claims

1. A trapezoidal steel step, comprising a stepping plate (1), wherein the stepping plate (1) is symmetrically arranged, and fixed beams (2) are symmetrically arranged on both sides of the surface of the stepping plate (1), characterized in that: The fixed beam (2) is a double-layer structure, and tread plates (3) are welded equidistantly between two groups of the fixed beams (2), and the tread plates (3) are flush with the horizontal plane. An upper connecting plate (5) is welded to one end of the top of the fixed beam (2), and a lower connecting plate (6) is welded to one end of the bottom of the fixed beam (2). Countersunk fixing holes (8) are symmetrically opened on the surfaces of the upper connecting plate (5) and the lower connecting plate (6), and fixing pins (9) are movably inserted into the inner cavities of the countersunk fixing holes (8).

2. A trapezoidal steel step according to claim 1, characterized in that: One side of the two ends of the tread plate (3) is welded to an upper group of fixed beams (2), and the other side of the two ends of the tread plate (3) is welded to a lower group of fixed beams (2).

3. The trapezoidal steel step according to claim 1, characterized in that: The surface of the tread plate (3) is pressed with anti-skid protrusions (4), and the anti-skid protrusions (4) are in a cross-shaped structure.

4. The trapezoidal steel step according to claim 1, characterized in that: A limiting plate (7) is welded to the lower surface of the upper connecting plate (5) and the lower connecting plate (6) on one side away from the fixed beam (2), and the limiting plate (7) is perpendicular to the upper connecting plate (5) and the lower connecting plate (6), respectively.

5. The trapezoidal steel step according to claim 1, characterized in that: A top cap (10) is welded to the top surface of each of the fixing pins (9), and the upper surface of the top cap (10) is flush with the upper connecting plate (5) and the lower connecting plate (6), respectively.

6. The trapezoidal steel step according to claim 5, characterized in that: The top cap (10) is provided with a storage groove (11) on its surface, and the inner cavity of the storage groove (11) is provided with a folding handle (12) that can be rotated.

7. The trapezoidal steel step according to claim 1, characterized in that: The side wall surface of one group of the tread plates (1) is provided with splicing holes (13) at equal intervals, and the side wall surface of the other group of the tread plates (1) is provided with splicing columns (14) integrally formed at positions corresponding to the positions of the splicing holes (13), and the splicing columns (14) are plugged into the splicing holes (13).

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