CN219216057U

CN219216057U - Prefabricated stair stacks backing plate

Info

Publication number: CN219216057U
Application number: CN202320228883.6U
Authority: CN
Inventors: 姚卸福
Original assignee: Zhejiang Heyi New Material Technology Co ltd
Current assignee: Zhejiang Heyi New Material Technology Co ltd
Priority date: 2023-02-16
Filing date: 2023-02-16
Publication date: 2023-06-20
Anticipated expiration: 2033-02-16

Abstract

The utility model discloses a prefabricated stair stacking base plate which comprises two support blocks, an external threaded pipe and two nuts, wherein the support blocks are bilaterally symmetrical; the support block is provided with a circular channel, two ends of the external thread pipe respectively penetrate through the circular channel, and two ends of the external thread pipe are respectively connected with a nut in a threaded manner, and the nut is abutted with the first end of the support block. The beneficial effects are that: the stacked base plates can be used for prefabricated stairways with different specifications; when the stacked base plate is clamped between two prefabricated floors stacked up and down, the prefabricated staircase positioned below the supporting block is clamped between the two lower limit protrusions, and the prefabricated staircase positioned above the supporting block is clamped between the two upper limit protrusions, so that the left side and the right side of the prefabricated staircase are aligned, and the gravity center of the stacked prefabricated staircase is prevented from being deviated to one side of the prefabricated staircase.

Description

Prefabricated stair stacks backing plate

Technical Field

The utility model relates to the field of prefabricated staircase storage and transportation tools, in particular to a prefabricated staircase stacking base plate.

Background

The prefabricated stairway is a building component which is formed by casting reinforced concrete in a mould in a factory and then transported to an installation site for installation, the prefabricated stairway is transported to the installation site by a flat transport vehicle when required to be installed in the factory after being produced, and in order to reduce the storage area and the transportation space, a plurality of prefabricated stairways are generally stacked together, and the prefabricated floor slabs adjacent to each other vertically are separated by a supporting structure. For example, the application number is 202210759937.1, the patent name is a supporting structure 2 shown in the utility model patent of a storage device and a storage method of the prefabricated stairway, a limit groove matched with a step of the prefabricated stairway is formed in the bottom of the supporting structure 2, when the supporting structure is stacked, the step of the prefabricated stairway is embedded into the limit groove, the top end of the supporting structure supports the bottom surface of the prefabricated stairway positioned on the upper layer, the steps of the prefabricated stairway with different specifications are different in size, therefore, the size and the angle of the limit groove are required to be customized and can be matched with the steps of the prefabricated stairway, the corresponding supporting structure is required to be designed and manufactured for the prefabricated stairway with different specifications, and the cost of a prefabricated stairway production enterprise is increased.

In addition, the existing supporting structure does not have a structure for aligning the left side and the right side of the vertically overlapped prefabricated stairs, and completely depends on naked eyes of workers to observe, so that the prefabricated stairs mounted on the transport vehicle are easy to shift in gravity center to one side of the prefabricated stairs, and the dangerous situation of rolling occurs in the transport process.

Disclosure of Invention

The utility model aims to overcome the problems in the prior art and provide a stacking base plate for prefabricated stairways.

In order to achieve the technical purpose and the technical effect, the utility model is realized by the following technical scheme:

the prefabricated stair stacking base plate comprises two support blocks, an external threaded pipe and two nuts, wherein the support blocks are bilaterally symmetrical, the bottom surfaces of the support blocks are semi-cylindrical surfaces, the top surfaces of the support blocks are planes, the top of the first end of each support block is provided with an upward protruding upper limit protrusion, the bottom of the first end of each support block is provided with a downward protruding lower limit protrusion, and an annular rubber sleeve is sleeved on each support block; the support block is internally provided with a circular channel penetrating through the support block along the length direction of the support block, two ends of the external thread pipe respectively penetrate through the circular channel from the second end of the support block to the first end of the support block, and two ends of the external thread pipe are respectively connected with a nut in a threaded manner and are abutted to the first end of the support block.

The side surface of the upper limit bulge facing the second end of the supporting block and the side surface of the lower limit bulge facing the second end of the supporting block are positioned on the same longitudinal plane.

The supporting block comprises a plastic shell and a plastic end panel, a containing cavity with an opening facing the first end of the supporting block is formed in the plastic shell, a plastic round pipe extending from the second end of the plastic shell to the first end of the plastic shell is arranged in the plastic shell, the round channel is located in the plastic round pipe, the plastic end panel is clamped in the opening of the first end of the plastic shell, a round hole for the plastic round pipe to be inserted is formed in the plastic end panel, and a concrete block is fixed in the containing cavity.

The beneficial effects of the utility model are as follows: the support block is clamped between two prefabricated stairways stacked up and down, a semi-cylindrical surface at the bottom of the support block can be clamped between two adjacent steps of the prefabricated stairway with any size, and the plane at the top end of the support block is tightly attached to the bottom end of the prefabricated stairway above the support block, so that the stacked base plate can be used for the prefabricated stairway with different specifications; the first end of supporting shoe sets up spacing arch and spacing arch down, let spacing arch down towards the side of supporting shoe second end and the side of spacing arch down towards the supporting shoe second end be located same longitudinal plane, when making to stack the backing plate clamp between two prefabricated floorslabs that stack from top to bottom, the prefabricated staircase that is located the supporting shoe below presss from both sides between two spacing archs down, make the prefabricated staircase clamp that is located the supporting shoe top between two spacing archs down, thereby make prefabricated staircase left and right sides align, avoid the focus of the prefabricated staircase that stacks to deviate to one side of prefabricated staircase.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a schematic view of the structure of a stacked pallet of the present utility model;

FIG. 2 is a schematic view of a first view of a support block according to the present utility model;

FIG. 3 is a schematic view of a second view of the support block of the present utility model;

FIG. 4 is a schematic view of the structure of the plastic shell of the present utility model;

FIG. 5 is a schematic view of the construction of a concrete block according to the present utility model;

FIG. 6 is a schematic view of the construction of a plastic end panel of the present utility model;

FIG. 7 is a schematic view of the structure of the nut of the present utility model;

the reference numerals in the figures illustrate: the concrete pouring device comprises a supporting block 1, a semi-cylindrical surface 101, a plane 102, an upper limit protrusion 103, a lower limit protrusion 104, a circular channel 105, an external threaded pipe 2, a nut 3, a plastic shell 4, a plastic end plate 5, a containing cavity 6, a concrete block 7, a pouring hole 8, a plastic column 9, a plastic round pipe 10, a round hole 11, a rubber sleeve 12 and a guide ring 13.

Detailed Description

The utility model will be described in detail below with reference to the drawings in combination with embodiments.

As shown in fig. 1 to 7, a prefabricated stair stacking base plate comprises two support blocks 1 which are bilaterally symmetrical, an external thread pipe 2 and two nuts 3, wherein the bottom surface of each support block 1 is a semi-cylindrical surface 101, the top surface of each support block 1 is a plane 102, an upward protruding upper limit protrusion 103 is arranged at the top of a first end of each support block 1, a downward protruding lower limit protrusion 104 is arranged at the bottom of the first end of each support block 1, and the side surface of each upper limit protrusion 103 facing the second end of each support block 1 and the side surface of each lower limit protrusion 104 facing the second end of each support block 1 are located on the same longitudinal plane.

The support block 1 comprises a plastic shell 4 and a plastic end panel 5, wherein a containing cavity 6 with an opening facing the first end of the support block 1 is arranged in the plastic shell 4, the plastic end panel 5 is clamped in the opening of the first end of the plastic shell 4, a concrete block 7 is fixed in the containing cavity 6, and a pouring hole 8 penetrating through the plastic end panel 5 is further formed in the plastic end panel 5; the plastic end panel 5 is fixedly connected with a plurality of plastic columns 9 towards one side in the accommodating cavity 6, and the plastic columns 9 are poured in the concrete blocks 7, so that the connection firmness of the plastic end panel 5 and the concrete blocks 7 is improved.

The support block 1 is provided with a circular channel 105 penetrating through the support block 1 along the length direction of the support block 1, and the central axis of the circular channel 105 is collinear with the central axis of the cylinder where the semi-cylindrical surface 101 is located. The plastic shell 4 is provided with a plastic round tube 10 extending from the second end of the plastic shell 4 to the first end of the plastic shell 4, a round channel 105 is positioned in the plastic round tube 10, and the plastic end panel 5 is provided with a round hole 11 for inserting the plastic round tube 10.

The annular rubber sleeve 12 is sleeved on the supporting block 1, so that the friction between the prefabricated staircase and the supporting block 1 is increased, and the stability of the prefabricated staircase during stacking is improved; and form the elasticity buffering between prefabricated staircase and supporting shoe 1, reduce the wearing and tearing of supporting shoe 1 and prefabricated staircase surface.

The two ends of the external thread pipe 2 respectively pass through the circular channel 105 from the second end of the supporting block 1 to the first end of the supporting block 1, and the two ends of the external thread pipe 2 are respectively in threaded connection with a nut 3 which is abutted with the first end of the supporting block 1; the external diameter of the external thread pipe 2 is smaller than the internal diameter of the circular channel 105, one end of the nut 3, which is abutted against the supporting block 1, is provided with a conical guide ring 13, and the guide ring 13 is inserted into the circular channel 105, so that the external thread pipe 2 is not contacted with the inner side wall of the circular channel 105, and abrasion of the threads on the outer side of the external thread pipe 2 to the inner wall of the circular channel 105 is avoided.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. A prefabricated staircase stacks backing plate, its characterized in that: the stacking base plate comprises two support blocks, an external threaded pipe and two nuts, wherein the support blocks are bilaterally symmetrical, the bottom surfaces of the support blocks are semi-cylindrical surfaces, the top surfaces of the support blocks are planes, the top of the first end of each support block is provided with an upward protruding upper limit protrusion, the bottom of the first end of each support block is provided with a downward protruding lower limit protrusion, and the support blocks are sleeved with annular rubber sleeves; the support block is internally provided with a circular channel penetrating through the support block along the length direction of the support block, two ends of the external thread pipe respectively penetrate through the circular channel from the second end of the support block to the first end of the support block, and two ends of the external thread pipe are respectively connected with a nut in a threaded manner and are abutted to the first end of the support block.

2. The prefabricated staircase stacking pallet according to claim 1, wherein: the side surface of the upper limit bulge facing the second end of the supporting block and the side surface of the lower limit bulge facing the second end of the supporting block are positioned on the same longitudinal plane.

3. The prefabricated staircase stacking pallet according to claim 1, wherein: the central axis of the circular channel is collinear with the central axis of the cylinder in which the semi-cylindrical surface is positioned.

4. The prefabricated staircase stacking pallet according to claim 1, wherein: the supporting block comprises a plastic shell and a plastic end panel, wherein an accommodating cavity with an opening facing the first end of the supporting block is formed in the plastic shell, a plastic circular pipe extending from the second end of the plastic shell to the first end of the plastic shell is arranged in the plastic shell, the circular channel is located in the plastic circular pipe, the plastic end panel is clamped in the opening of the first end of the plastic shell, a circular hole for the plastic circular pipe to be inserted is formed in the plastic end panel, and a concrete block is fixed in the accommodating cavity.

5. The prefabricated staircase stacking pallet according to claim 4, wherein: and a plurality of plastic columns are fixedly connected to one side of the plastic end panel, which faces the accommodating cavity, and the plastic columns are poured in the concrete blocks.

6. The prefabricated staircase stacking pallet according to claim 4, wherein: and the plastic end panel is also provided with a pouring hole penetrating through the plastic end panel.

7. The prefabricated staircase stacking pallet according to claim 1, wherein: the external thread pipe has an external diameter smaller than the internal diameter of the circular channel, and one end of the nut, which is abutted to the supporting block, is provided with a conical guide ring which is inserted into the circular channel.