Self-fixing hole forming device

Abstract

The utility model relates to the technical field of duct piece production, and particularly discloses a self-fixing hole-forming device which comprises a die steel plate, a detachable hole-forming mechanism is movably installed on the die steel plate, a bolt sleeve detachably installed on the die steel plate is arranged at the joint of the hole-forming mechanism and the die steel plate, and the bolt sleeve is connected with the die steel plate. A mounting hole is formed in the joint of the bolt sleeve and the mold steel plate, and the hole forming mechanism penetrates through the interior of the mounting hole; the hole forming mechanism comprises a core rod penetrating through the interior of the mounting hole, a fixing screw rod in threaded connection with the bolt sleeve is fixedly arranged at one end of the core rod, a limiting plate with the diameter larger than the outer diameter of the bolt sleeve is fixedly arranged at the tail end of the fixing screw rod, and a fixing rod is fixedly arranged on one side of the limiting plate; a hexagonal head is welded to the tail end of the fixing rod, and a step is arranged on the surface of the core rod. Connection and installation of the hole forming device and the die are directly achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a segment production technical field, especially a kind of self-fixing pore-forming device. BACKGROUND

[0002] Shield segment is the basic unit of tunnel prefabricated lining ring, mainly as the innermost layer barrier of tunnel, resists the action of earth pressure, groundwater pressure and some special load.Shield segment is mainly made of concrete, and the mixed concrete is poured into moulding machine or mould, and is formed by moulding.Shield segment generally uses prestressed reinforcement, and anchor hole is reserved in mould, so as to be pulled and reinforced in later period, and the prefabricated shield segment needs to be maintained to ensure the strength and toughness of concrete, and after maintenance, shield segment is transported to site for assembly.

[0003] In shield segment production, hole is reserved in shield segment for later convenience of connecting bolt, and shield segment is fixed to mould by pore-forming device when forming hole, so that pore-forming device is penetrated into concrete, thereby achieving hole forming effect.

[0004] However, the current pore-forming device is mostly an independent device, and other auxiliary equipment, such as jacking device, is needed to fix and install pore-forming device on mould, which is inconvenient to use. SUMMARY

[0005] The utility model aims at providing a kind of self-fixing pore-forming device, which can directly realize the connection and installation of pore-forming device and mould, to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of self-fixing pore-forming device, including mould steel plate, the mould steel plate is movably installed with detachable pore-forming mechanism, the connecting place of pore-forming mechanism and mould steel plate is provided with bolt sleeve that can be detachably installed on mould steel plate, and installation hole is opened in the connecting place of bolt sleeve and mould steel plate, and the inside of installation hole is penetrated by pore-forming mechanism.

[0007] The pore-forming mechanism includes core rod penetrating the inside of installation hole, and one end of core rod is fixedly provided with fixed screw rod threadedly connected with bolt sleeve.

[0008] Preferably, the end of the fixed screw rod is fixedly provided with a limiting plate with a diameter larger than the outer diameter of the bolt sleeve, and a fixed rod is fixedly provided on one side of the limiting plate.

[0009] Preferably, a hexagonal head is welded at the end of the fixed rod, and a step is provided on the surface of the core rod.

[0010] Preferably, the bolt sleeve is a T-shaped structure, and a threaded hole is formed in the interior of the left and right sides of the bolt sleeve.

[0011] Preferably, the interior of the threaded hole is screwed with a fixing screw, and the fixing screw is screwed with the die steel plate.

[0012] Preferably, the interior of the core rod is formed with a through hole penetrating the interior of the core rod, and the length of the through hole is the same as the length of the hole forming mechanism.

[0013] Preferably, the left and right sides of the through hole are formed with side holes penetrating the core rod, and the side holes are in communication with the through hole, and the water outlets of the side holes are equidistantly and uniformly distributed along the surface of the core rod.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] 1. The fixing screw and the bolt sleeve are matched with each other, the hole forming mechanism penetrates the interior of the installation hole, the bolt sleeve is screwed with the fixing screw, the hole forming mechanism is self-fixed, other auxiliary devices are not needed to clamp the core rod, and the fixing work of the die steel plate and the hole forming mechanism can be realized;

[0016] 2. The through hole and the side hole can inject lubricating oil into the interior of the core rod, and facilitate the demolding treatment of the hole forming mechanism and the concrete. DRAWINGS

[0017] In order to more clearly illustrate the specific embodiments of the utility model or the technical scheme in the prior art, the drawings needed to be used in the specific embodiments or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor on the premise of the drawings.

[0018] Figure 1 It is the overall structure view of the utility model;

[0019] Figure 2 It is the structure schematic view of the bolt sleeve of the utility model when separating;

[0020] Figure 3 It is the structure schematic view of the hole forming mechanism of the utility model;

[0021] Figure 4 It is the half cut structure schematic view of the core rod of the utility model.

[0022] Mark explanation:

[0023] 1, die steel plate; 2, hole forming mechanism; 201, hexagonal head; 202, limiting plate; 203, core rod; 204, fixed screw rod; 205, fixed rod; 206, through hole; 207, side hole; 3, mounting hole; 4, bolt sleeve; 5, threaded hole; 6, fixed screw. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0025] The present application provides a technical solution:

[0026] Please refer to Figures 1 to 4 A self-fixing hole forming device, comprising a die steel plate 1, a detachable hole forming mechanism 2 movably installed on the die steel plate 1, a bolt sleeve 4 detachably installed on the die steel plate 1 at the connection between the hole forming mechanism 2 and the die steel plate 1, an installation hole 3 formed at the connection between the bolt sleeve 4 and the die steel plate 1, and the hole forming mechanism 2 penetrating the inside of the installation hole 3.

[0027] The hole forming mechanism 2 comprises a core rod 203 penetrating the inside of the installation hole 3, and one end of the core rod 203 is fixedly provided with a fixed screw rod 204 threadedly connected with the bolt sleeve 4.

[0028] By adopting the above technical solution, when the hole forming mechanism 2 penetrates the inside of the installation hole 3, the hole forming mechanism 2 can be self-fixed by threadedly connecting the bolt sleeve 4 with the fixed screw rod 204, the concrete is poured into the mold, and a through hole is formed outside the core rod 203, thereby realizing the hole forming process of the segment.

[0029] Specifically, as Figure 3 and Figure 4As shown, the end of the fixed screw rod 204 is fixedly provided with a limiting plate 202 with a diameter larger than the outer diameter of the bolt sleeve 4, and one side of the limiting plate 202 is fixedly provided with a fixed rod 205, and the end of the fixed rod 205 is welded with a hexagonal head 201, the surface of the core rod 203 is provided with a step, the bolt sleeve 4 is a T-shaped structure, and the inside of the left and right sides of the bolt sleeve 4 is provided with a threaded hole 5, the threaded hole 5 is internally threadedly connected with a fixed screw 6, and the fixed screw 6 is threadedly connected with the die steel plate 1, the inside of the core rod 203 is provided with a through hole 206 penetrating the inside of the core rod 203, and the length of the through hole 206 is the same as the length of the hole forming mechanism 2, the left and right sides of the through hole 206 are provided with side holes 207 penetrating the core rod 203, and the side holes 207 and the through hole 206 are in communication with each other, and the water outlets of the side holes 207 are equally and uniformly distributed along the surface of the core rod 203, and one end of the through hole 206 penetrates the end of the core rod 203 from the end of the hexagonal head 201.

[0030] By adopting the above technical scheme, the bolt sleeve 4 is fixedly installed on the die steel plate 1 through the threaded hole 5 and the fixed screw 6, and the position of the bolt sleeve 4 is matched with the position of the mounting hole 3, so that the hole forming mechanism 2 is conveniently fixed, after the hole forming mechanism 2 penetrates into the inside of the mounting hole 3, the core rod 203 is inserted into the inside of the hand hole box of the mold, and the step is attached to one side of the hand hole box, when it is needed to demold the concrete, lubricating oil can be poured into the inside of the through hole 206, the lubricating oil flows into the four around of the core rod 203 along the through hole 206 and the side hole 207, after staying for a moment, the hexagonal head 201 is rotated to drive the fixed screw rod 204 to rotate in the inside of the bolt sleeve 4, so as to drive the core rod 203 to rotate, the core rod 203 is separated from the concrete, and demolding is facilitated.

[0031] Working principle: the bolt sleeve 4 is fixedly installed on the die steel plate 1 through the threaded hole 5 and the fixed screw 6, and the position of the bolt sleeve 4 is matched with the position of the mounting hole 3, so that the hole forming mechanism 2 is conveniently fixed, after the hole forming mechanism 2 penetrates into the inside of the mounting hole 3, the core rod 203 is inserted into the inside of the hand hole box of the mold, and the step is attached to one side of the hand hole box, then the concrete is poured into the mold, and a through hole is formed outside the core rod 203, realizing the hole forming process of the segment, when it is needed to demold the concrete, lubricating oil can be poured into the inside of the through hole 206, the lubricating oil flows into the four around of the core rod 203 along the through hole 206 and the side hole 207, after staying for a moment, the hexagonal head 201 is rotated to drive the fixed screw rod 204 to rotate in the inside of the bolt sleeve 4, so as to drive the core rod 203 to rotate, the core rod 203 is separated from the concrete, and demolding is facilitated.

[0032] Finally, it should be noted that: the above embodiments are used to illustrate the technical solutions of the present application, but not limited to them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A self-fixing hole-forming device, comprising a die steel plate (1), characterized in that: A detachable hole-forming mechanism (2) is movably mounted on the mold steel plate (1); a bolt sleeve (4) detachably mounted on the mold steel plate (1) is provided at the connection between the hole-forming mechanism (2) and the mold steel plate (1); a mounting hole (3) is provided at the connection between the bolt sleeve (4) and the mold steel plate (1); and the hole-forming mechanism (2) passes through the interior of the mounting hole (3); The hole forming mechanism (2) comprises a core rod (203) that passes through the interior of the mounting hole (3), and a fixing screw rod (204) that is threadedly connected to the bolt sleeve (4) is fixedly provided at one end of the core rod (203).

2. A self-fixing hole-forming device according to claim 1, characterized in that: A limiting plate (202) having a diameter greater than the outer diameter of the bolt sleeve (4) is fixedly provided at the end of the fixing screw (204), and a fixing rod (205) is fixedly provided on one side of the limiting plate (202).

3. A self-fixing hole-forming device according to claim 1, characterized in that: A hexagonal head (201) is welded to the end of the fixing rod (205), and a step is provided on the surface of the core rod (203).

4. A self-fixing hole-forming device according to claim 1, characterized in that: The bolt sleeve (4) is a T-shaped structure, and threaded holes (5) are provided inside the left and right sides of the bolt sleeve (4).

5. A self-fixing hole-forming device according to claim 4, characterized in that: The internal thread of the threaded hole (5) is connected to a fixing screw (6), and the fixing screw (6) is threadedly connected to the mold steel plate (1).

6. A self-fixing hole-forming device according to claim 1, characterized in that: A through hole (206) is provided inside the core rod (203) and passes through the core rod (203), and the length of the through hole (206) is the same as the length of the hole forming mechanism (2).

7. A self-fixing hole-forming device according to claim 6, characterized in that: Side holes (207) penetrating the core rod (203) are provided on the left and right sides of the through hole (206), and the side holes (207) and the through hole (206) are communicated with each other. The water outlets of the side holes (207) are evenly distributed at equal distances along the surface of the core rod (203).

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