Split type hand hole structure for concrete forming mold

Abstract

The utility model discloses a split type hand hole structure for a concrete forming die, which relates to the technical field of concrete forming dies, and comprises a fixed seat and a movable wedge block detachably arranged on the fixed seat, the inner end face of the fixed seat is upward and inclined outwards, the outer end face of the fixed seat is upward and inclined inwards, and the movable wedge block is detachably arranged on the fixed seat. The outer end face of the fixing base makes contact with the inner end face of the movable wedge block, the outer end face of the movable wedge block faces upwards and inclines outwards, and the positioning hole is formed in the movable wedge block. The hand hole structure is divided into the fixed base and the movable wedge block, the outer end face of the movable wedge block inclines outwards to meet the requirement for the angle of a prefabricated part, and the contact face of the movable wedge block and the fixed base inclines inwards to meet the demolding requirement of the movable wedge block. When the concrete member is demoulded upwards, the fastener between the movable wedge block and the fixed seat is detached, the movable wedge block is demoulded upwards along with the member, and after demoulding is completed, the movable wedge block is taken down from the concrete member.

Description

Technical Field

[0001] The utility model relates to the technical field of concrete forming moulds, in particular to a split hand hole structure used for a concrete forming mould. Background Art

[0002] The concrete section of the wind turbine tower is composed of multiple prefabricated components assembled on site. A hand hole structure is set on the mold of the prefabricated component. After the concrete is poured, the hand hole structure forms an operating cavity for connecting other prefabricated components that make up the concrete section of the wind turbine tower. However, the angle of the prefabricated component will limit the inclination angle of the outer side of the operating cavity. The outer side of the operating cavity needs to be inclined outward, and the integral hand hole structure cannot realize the upward demoulding of the concrete component. Utility Model Content

[0003] The utility model aims to provide a split hand hole structure for a concrete forming mold, aiming to solve the technical problem that the integral hand hole structure in the prior art cannot realize upward demoulding of concrete components.

[0004] In order to solve the above technical problems, the technical solution of the utility model is:

[0005] A split hand hole structure for a concrete forming mold comprises a fixed seat and a movable wedge block detachably mounted on the fixed seat, the inner end surface of the fixed seat is upward and tilted outward, the outer end surface of the fixed seat is upward and tilted inward, the outer end surface of the fixed seat is in contact with the inner end surface of the movable wedge block, the outer end surface of the movable wedge block is upward and tilted outward, and a positioning hole is opened on the movable wedge block.

[0006] With the above structure, the hand hole structure is divided into two parts: a fixed seat and a movable wedge. The outer end surface of the movable wedge is tilted outward to meet the angle requirements of the prefabricated component, and the contact surface between the movable wedge and the fixed seat is tilted inward to meet the demoulding requirements of the movable wedge. When installing the mold, the movable wedge is installed on the fixed seat. When the concrete component is demoulded upward, the fasteners between the movable wedge and the fixed seat are removed, and the movable wedge is demoulded upward with the component. After the demoulding is completed, the movable wedge is removed from the concrete component.

[0007] Preferably, a limiting boss is provided at the lower end of the fixing seat, and the lower end of the movable wedge rests on the limiting boss. The setting of the limiting boss enables the lower end of the movable wedge to rest on the limiting boss, which facilitates the installation of the movable wedge on the inclined surface.

[0008] Preferably, the top surface of the limiting boss is perpendicular to the outer end surface of the fixed seat, and the bottom surface of the movable wedge contacts the top surface of the limiting boss. With the above structure, it is convenient for the limiting boss to support the movable wedge, and convenient for the limiting boss to preliminarily position the movable wedge, and convenient for installing the movable wedge on the fixed seat.

[0009] Preferably, the outer end surface of the limiting boss is tilted upward and inward. The outer end surface of the limiting boss is tilted upward and inward, so that the inclination of the limiting boss meets the demoulding requirements and avoids damage to the edge of the concrete component.

[0010] Preferably, the outer end surface contour of the fixed seat exceeds the inner end surface contour of the movable wedge block. The outer end surface contour of the fixed seat exceeds the inner end surface contour of the movable wedge block, so that the movable wedge block can be prevented from moving and causing the edge of the concrete component to break.

[0011] Preferably, a cavity with a bottom opening is provided on the fixing seat, the fixing seat is arranged on the bottom mold of the mold, an opening connecting the cavity is provided on the bottom mold, a plurality of mounting holes connecting the cavity and the outer end surface are provided on the fixing seat, and a plurality of threaded holes matching the mounting holes are provided on the movable wedge. The movable wedge is installed on the fixing seat by passing the screws through the mounting holes and screwing them into the threaded holes. When demolding, the screws are removed from the movable wedge, so that the movable wedge is demolded together with the concrete component. The provision of the cavity makes it easy for workers to put their hands into the cavity to complete the installation and removal of the screws, and facilitates the installation and removal of the movable wedge on the fixing seat.

[0012] Preferably, three mounting holes are provided, and the three mounting holes are arranged below the positioning hole and in an inverted triangle arrangement. The three mounting holes are arranged in a triangle, which can improve the stability of the movable wedge on the fixing seat and improve the positioning accuracy of the movable wedge.

[0013] Preferably, the spacing between the mounting holes of the movable wedges of different specifications is different. The spacing between the mounting holes of the movable wedges of different specifications is different, so as to avoid installing the wrong wedge due to the similar appearance of the movable wedges.

[0014] Preferably, the axes of the mounting hole and the threaded hole are perpendicular to the contact surface between the fixed seat and the movable wedge. The axes of the mounting hole and the threaded hole are perpendicular to the contact surface between the fixed seat and the movable wedge, which can further facilitate the installation of the movable wedge.

[0015] After adopting the above technical solution, the beneficial effects of the utility model are:

[0016] The utility model divides the hand hole structure into two parts, a fixed seat and a movable wedge. The outer end surface of the movable wedge is inclined outward to meet the angle requirements of the prefabricated component, and the contact surface of the movable wedge and the fixed seat is inclined inward to meet the demoulding requirements of the movable wedge. When installing the mold, the movable wedge is installed on the fixed seat. When the concrete component is demoulded upward, the fasteners between the movable wedge and the fixed seat are removed, and the movable wedge is demoulded upward with the component. After the demoulding is completed, the movable wedge is removed from the concrete component. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a demoulding schematic diagram of the split hand hole structure;

[0018] Figure 2 It is a three-dimensional structural schematic diagram of a split hand hole structure;

[0019] Figure 3 It is a side view structural schematic diagram of a split hand hole structure;

[0020] Figure 4 It is a schematic diagram of the cross-sectional structure of a split hand hole structure.

[0021] In the figure, there is a fixed seat 1, a movable wedge block 2, a positioning hole 3, a limiting boss 4, a cavity 5, a mounting hole 6, a threaded hole 7, and a bottom mold 8. DETAILED DESCRIPTION

[0022] The utility model is further described below in conjunction with the accompanying drawings.

[0023] The orientations involved in this specification are based on the orientations of the split hand hole structure for a concrete forming mold of the utility model during normal operation, and do not limit the orientations during storage and transportation. They only represent relative positional relationships, not absolute positional relationships.

[0024] like Figures 1 to 4 As shown, a split hand hole structure for a concrete forming mold includes a fixed base 1 and a movable wedge 2 detachably mounted on the fixed base 1, the inner end surface of the fixed base 1 is upward and tilted outward, the outer end surface of the fixed base 1 is upward and tilted inward, the outer end surface of the fixed base 1 is in contact with the inner end surface of the movable wedge 2, the outer end surface of the movable wedge 2 is upward and tilted outward, and a positioning hole 3 is opened on the movable wedge 2.

[0025] The bending mandrel is inserted into the positioning hole 3 of the mold to form a through hole for connecting the bending bolts of the prefabricated pipe segment components.

[0026] The hand hole structure is divided into two parts: a fixed seat 1 and a movable wedge 2. The outer end surface of the movable wedge 2 is tilted outward to meet the angle requirements of the prefabricated component, and the contact surface between the movable wedge 2 and the fixed seat 1 is tilted inward to meet the demoulding requirements of the movable wedge 2. When installing the mold, the movable wedge 2 is installed on the fixed seat 1. When the concrete component is demoulded upward, the fasteners between the movable wedge 2 and the fixed seat 1 are removed, and the movable wedge 2 is demoulded upward with the component. After the demoulding is completed, the movable wedge 2 is removed from the concrete component.

[0027] Further, a limiting boss 4 is provided at the lower end of the fixed seat 1, and the lower end of the movable wedge 2 rests on the limiting boss 4. The setting of the limiting boss 4 enables the lower end of the movable wedge 2 to rest on the limiting boss 4, which facilitates the installation of the movable wedge 2 on the inclined surface.

[0028] Furthermore, the top surface of the limiting boss 4 is perpendicular to the outer end surface of the fixed seat 1, and the bottom surface of the movable wedge 2 contacts the top surface of the limiting boss 4. With the above structure, it is convenient for the limiting boss 4 to support the movable wedge 2, and it is convenient for the limiting boss 4 to preliminarily position the movable wedge 2, and it is convenient to install the movable wedge 2 on the fixed seat 1.

[0029] Furthermore, the outer end face of the limiting boss 4 is tilted upward and inwardly. The outer end face of the limiting boss 4 is tilted upward and inwardly, so that the inclination of the limiting boss 4 meets the demoulding requirements and avoids damage to the edge of the concrete component.

[0030] Furthermore, the outer end surface contour of the fixing seat 1 exceeds the inner end surface contour of the movable wedge 2. The outer end surface contour of the fixing seat 1 exceeds the inner end surface contour of the movable wedge 2, so that the movable wedge 2 can be prevented from moving and causing the edge of the concrete component to break.

[0031] The fixing seat 1 is provided with a cavity 5 with a bottom opening, the fixing seat 1 is arranged on the bottom mold 8 of the mold, the bottom mold 8 is provided with an opening connected to the cavity 5, the fixing seat 1 is provided with a plurality of mounting holes 6 connecting the cavity 5 and the outer end surface, and the movable wedge 2 is provided with a plurality of threaded holes 7 adapted to the mounting holes 6. The movable wedge 2 is installed on the fixing seat 1 by passing the screws through the mounting holes 6 and screwing them into the threaded holes 7. When demolding, the screws are removed from the movable wedge 2, so that the movable wedge 2 is demolded together with the concrete component. The provision of the cavity 5 makes it easy for workers to put their hands into the cavity 5 to complete the installation and removal of the screws, and facilitates the installation and removal of the movable wedge 2 on the fixing seat 1.

[0032] Furthermore, three mounting holes 6 are provided, and the three mounting holes 6 are arranged below the positioning hole 3 and in an inverted triangle arrangement. The three mounting holes 6 are arranged in a triangle, which can improve the stability of the movable wedge block 2 on the fixing seat 1 and improve the positioning accuracy of the movable wedge block 2.

[0033] Further, the spacing between the mounting holes 6 of the movable wedge blocks 2 of different specifications is different. The spacing between the mounting holes 6 of the movable wedge blocks 2 of different specifications is different, so as to avoid installing the wrong wedge block due to the similar appearance of the movable wedge blocks 2.

[0034] Further, the axes of the mounting hole 6 and the threaded hole 7 are perpendicular to the contact surface between the fixed seat 1 and the movable wedge 2. The axes of the mounting hole 6 and the threaded hole 7 are perpendicular to the contact surface between the fixed seat 1 and the movable wedge 2, which can further facilitate the installation of the movable wedge 2.

[0035] Of course, the above description is not a limitation of the present invention, and the present invention is not limited to the above examples. Changes, modifications, additions or substitutions made by technicians in this technical field within the essential scope of the present invention should also fall within the protection scope of the present invention.

Claims

1. A split hand hole structure for a concrete forming mold, characterized in that: It includes a fixed seat and a movable wedge block detachably mounted on the fixed seat, the inner end surface of the fixed seat is upward and tilted outward, the outer end surface of the fixed seat is upward and tilted inward, the outer end surface of the fixed seat is in contact with the inner end surface of the movable wedge block, the outer end surface of the movable wedge block is upward and tilted outward, and a positioning hole is opened on the movable wedge block.

2. A split hand hole structure for a concrete forming mold as claimed in claim 1, characterized in that: The lower end of the fixed seat is provided with a limiting boss, and the lower end of the movable wedge rests on the limiting boss.

3. A split hand hole structure for a concrete forming mold as claimed in claim 2, characterized in that: The top surface of the limiting boss is perpendicular to the outer end surface of the fixing seat, and the bottom surface of the movable wedge block contacts the top surface of the limiting boss.

4. A split hand hole structure for a concrete forming mold as claimed in claim 3, characterized in that: The outer end surface of the limiting boss is arranged to face upward and tilt inward.

5. The split hand hole structure for a concrete forming mold according to claim 1, characterized in that: The outer end surface contour of the fixed seat exceeds the inner end surface contour of the movable wedge block.

6. A split hand hole structure for a concrete forming mold as claimed in claim 1, characterized in that: The fixing seat is provided with a cavity with a bottom opening, and the fixing seat is arranged on the bottom mold of the mold. The bottom mold is provided with an opening connected to the cavity. The fixing seat is provided with multiple mounting holes connecting the cavity and the outer end surface, and the movable wedge block is provided with multiple threaded holes adapted to the mounting holes.

7. A split hand hole structure for a concrete forming mold as claimed in claim 6, characterized in that: The number of the mounting holes is three, and the three mounting holes are arranged below the positioning hole and in an inverted triangle arrangement.

8. A split hand hole structure for a concrete forming mold as claimed in claim 6, characterized in that: The spacing between the mounting holes of movable wedges of different specifications is different.

9. A split hand hole structure for a concrete forming mold as claimed in claim 6, characterized in that: The axes of the mounting hole and the threaded hole are perpendicular to the contact surfaces of the fixing seat and the movable wedge block.

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