Die special for pipe ring for water conservancy project
By combining a central mold, positioning points, internal hex bolts, and setter heads, the problem of difficult demolding of concrete pipe ring joints in water conservancy projects was solved, achieving precise positioning and easy demolding.
Patent Information
- Application Number
- CN202423061603.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-12
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2034-12-12
AI Technical Summary
In existing water conservancy projects, the outer mold of the concrete pipe ring joint is tightly connected to the concrete component after molding, making demolding difficult.
It adopts a combination structure of center mold, positioning point, internal hex bolt, set head, outer mold, connecting lug, and connecting parts. The outer mold can be floated and positioned. Through the cooperation of internal hex bolt and set head, precise positioning and simple demolding are achieved.
It achieves precise positioning and easy demolding of concrete pipe rings. The outer mold can be opened to facilitate separation from the concrete component, thus improving demolding efficiency.
Smart Images

Figure CN223749909U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to water conservancy project equipment technical field, especially a special mould for pipe ring for water conservancy project. BACKGROUND
[0002] In water conservancy project, the concrete pipe ring joint is the commonly used concrete pipeline connecting piece, and it is generally made in the special mould.
[0003] Such mould is divided into inner mould and outer mould, after the assembly of the two is fixed, the concrete is poured between the two, and then the mould release is carried out after the concrete pipe ring joint is formed.
[0004] However, after the concrete pipe ring joint is formed, the outer mould is not easy to carry out the mould release with the concrete piece due to the reasons such as the close connection of the concrete piece with the outer mould and the larger contact surface, therefore a new special mould for pipe ring for water conservancy project is proposed to solve the above problems, which adopts a new design, the outer mould is accurately positioned, and the mould release is facilitated. UTILITY MODEL CONTENTS
[0005] The utility model aims at solving at least one of the technical defects.
[0006] Therefore, one purpose of the utility model is to propose a special mould for pipe ring for water conservancy project to solve the problems mentioned in the background art and overcome the deficiencies existing in the prior art.
[0007] In order to realize the above purpose, an embodiment of the utility model provides a special mould for pipe ring for water conservancy project, which comprises a platform and a support, two parallel supports are fixedly connected to the bottom of the platform, a center mould is fixedly connected to the middle of the top surface of the platform,
[0008] A plurality of positioning points are fixedly connected to the top of the platform, an inner hexagonal bolt is threadedly connected to the positioning point, and a tight head is fixedly connected to the end of the inner hexagonal bolt.
[0009] An outer mould is placed above the platform, the outer mould is annular, and a connecting lug is fixedly connected to the end of the outer mould.
[0010] The connecting lugs are connected through a connecting piece.
[0011] A compression ring is compressed above the outer mould.
[0012] The end surface of the tight head abuts against the outer surface of the outer mould, and a joint is fixedly connected to the outer surface of the outer mould.
[0013] A plurality of cushion blocks are fixedly connected to the top surface of the platform, and the bottom surface of the joint is crimped with the cushion block.
[0014] A rod bolt is screwed on the joint, and the rod bolt is screwed with the platform.
[0015] Preferably, the platform is integrally welded with the support, and the support is in a bent shape.
[0016] The technical scheme has the following beneficial effects: The device is specially used in the field of water conservancy projects, and is a special mold for a concrete ring joint and a pipe ring used in water conservancy projects.
[0017] Preferably, the center mold is in a cylindrical shape, the center mold is coaxial with the outer mold, and the center mold is located on the inner side of the outer mold.
[0018] The technical scheme has the following beneficial effects: The mold is in an assembled structure and is composed of two parts.
[0019] The second part is an assembled part and is composed of the outer mold, the connecting lug, the connecting piece, the compression ring, the joint and the rod bolt.
[0020] Preferably, the height of the center mold is the same as the height of the outer mold, and the positioning points are located on the outer side of the outer mold and are arranged around the circumference of the outer mold.
[0021] The technical scheme has the following beneficial effects: The core structure of the mold is the center mold, the positioning points, the inner hexagonal bolts, the locking heads, the outer mold, the connecting lug and the connecting piece. The core advantage of the mold is accurate positioning and simple demolding. The outer mold is located on the inner side of the positioning points after the outer mold is placed on the platform. The inner hexagonal bolts on the positioning points are all tightened, and the outer mold is abutted by the locking heads to limit the position and achieve accurate positioning. The inner side of the outer mold and the outer side of the center mold are poured with concrete, and the concrete pipe ring is formed.
[0022] The outer mold is not a closed ring but can be opened. After the connecting piece is removed, the inner hexagonal bolts are loosened, the locking heads are no longer abutted against the outer surface of the outer mold, the locking heads are adjustable, and the outer mold is slightly opened. At this time, the outer mold can be lifted to facilitate the separation of the outer mold and the concrete part, and the demolding is facilitated.
[0023] Preferably, the end of the inner hexagonal bolt faces outward, and the outer mold can be opened.
[0024] Preferably, the connecting piece is specifically a bolt and a nut. The bolt penetrates through the two connecting lugs and is screwed with the nut. The bottom of the connecting lug is pressed on the top surface of a positioning point.
[0025] The technical scheme has the following beneficial effects: After the concrete material is poured into the inner side of the outer mold, the compression ring presses the plastic film on the top surface of the outer mold.
[0026] Compared with the prior art, the utility model has the advantages and beneficial effects that:
[0027] The special mold for the pipe ring for water conservancy projects is provided with a center mold, positioning points, inner hexagonal bolts, clamping heads, an outer mold, connecting ears and connecting pieces, and has accurate positioning and simple demolding; the outer mold is placed on the platform with the inner hexagonal bolts on the positioning points being tightened, and the outer mold is abutted by the clamping heads to limit the position and achieve accurate positioning; the inner part of the outer mold and the outer part of the center mold are poured with concrete, and the concrete pipe ring is formed;
[0028] The outer mold is not a closed ring but can be opened, the inner hexagonal bolts are loosened after the connecting pieces are removed, the clamping heads no longer abut the outer surface of the outer mold, the clamping heads are adjustable, floating positioning is achieved, the outer mold can be slightly opened at this time, the outer mold can be lifted at this time, and the outer mold and the concrete part can be separated at this time, thereby facilitating demolding.
[0029] Additional aspects and advantages of the utility model will be partially given in the following description, some will become obvious from the following description, or will be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS
[0030] The above and / or additional aspects and advantages of the utility model will become apparent and more readily appreciated from the following description of the embodiments, with reference to the following drawings, in which:
[0031] Figure 1 It is a structural schematic view of the first perspective of the utility model;
[0032] Figure 2 It is a structural schematic view of the second perspective of the utility model;
[0033] Figure 3 It is an enlarged structural schematic view of position A in the utility model; Figure 1
[0034] Figure 4 It is a top view structural schematic view of the utility model.
[0035] In the figure: 1-platform, 2-bracket, 3-center mold, 4-positioning point, 5-inner hexagonal bolt, 6-clamping head, 7-outer mold, 8-connecting ear, 9-connecting piece, 10-pressing ring, 11-joint, 12-pad, 13-rod bolt. DETAILED DESCRIPTION
[0036] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model.
[0037] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0038] like Figures 1-4 As shown, the special mold for pipe rings used in this water conservancy project includes a platform 1 and a support 2. Two parallel supports 2 are fixedly connected to the bottom of the platform 1, and a central mold 3 is fixedly connected to the middle of the top surface of the platform 1.
[0039] The top of platform 1 is fixedly connected with several positioning points 4, and the positioning points 4 are threaded with internal hex bolts 5, and the ends of the internal hex bolts 5 are fixedly connected with set heads 6.
[0040] An outer mold 7 is placed on top of platform 1. The outer mold 7 is ring-shaped, and a connecting lug 8 is fixedly connected to the end of the outer mold 7.
[0041] The connecting ears 8 are connected by connector 9;
[0042] A pressure ring 10 is pressed on the top of the outer mold 7;
[0043] The end face of the locking head 6 abuts against the outer surface of the outer mold 7, and the outer surface of the outer mold 7 is fixedly connected to the connector 11;
[0044] Several pads 12 are fixedly connected to the top surface of platform 1, and the pads 12 are pressed onto the bottom surface of connector 11.
[0045] The connector 11 is threaded with a rod bolt 13, which is threaded to the platform 1.
[0046] Embodiment 1: platform 1 is integrally welded with support 2, and support 2 is in a bent shape. The device is specially used in the field of water conservancy projects, and specifically is a special mold for a concrete ring joint and a pipe ring used in water conservancy projects. Center mold 3 is in a cylindrical shape, and center mold 3 is coaxial with outer mold 7, and center mold 3 is located on the inner side of outer mold 7. The mold is of an assembled structure and is composed of two parts. The first part is a fixed part of the mold and is composed of platform 1, support 2, center mold 3, positioning point 4 and pad 12. The second part is an assembled part and is composed of outer mold 7, connecting lug 8, connecting piece 9, pressing ring 10, joint 11 and bolt 13 with a rod.
[0047] Embodiment 2: the height of center mold 3 is the same as the height of outer mold 7, and positioning point 4 is located on the outer side of outer mold 7 and is arrayed around the circumference of outer mold 7. The end of inner hexagonal bolt 5 is outward, and outer mold 7 can be opened. Connecting piece 9 is specifically a bolt and a nut, the bolt penetrates through two connecting lugs 8 and is threadedly connected with the nut, and the bottom of connecting lug 8 is pressed on the top surface of a positioning point 4. The function of pressing ring 10 is to press a layer of plastic film on the top surface of outer mold 7 after concrete material is poured into the inner side of outer mold 7.
[0048] The working principle of the utility model is as follows:
[0049] After outer mold 7 is placed on platform 1, outer mold 7 is located on the inner side of positioning point 4, inner hexagonal bolt 5 on positioning point 4 is all tightened, outer mold 7 is abutted by a plurality of clamping heads 6, and the position is limited;
[0050] Joint 11 of outer mold 7 is placed on pad 12, bolt 13 with a rod is tightened, and bolt 13 with a rod is threadedly connected with platform 1;
[0051] After concrete material is poured into the inner side of outer mold 7, a layer of plastic film is covered on the top surface of outer mold 7, and pressing ring 10 presses the plastic film.
[0052] When demolding, bolt 13 with a rod is disassembled, connecting piece 9 is disassembled, a plurality of inner hexagonal bolts 5 are loosened, clamping head 6 no longer abuts the outer surface of outer mold 7, clamping head 6 is adjustable, is floating positioning, at this time, outer mold 7 can be slightly opened, and outer mold 7 can be lifted, at this time, outer mold 7 can be conveniently separated from the concrete part.
[0053] Compared with the prior art, the utility model has the following beneficial effects relative to the prior art:
[0054] The special mold for the pipe ring of the water conservancy project is provided with a center mold 3, positioning points 4, inner hexagonal bolts 5, clamping heads 6, an outer mold 7, connecting ears 8 and connecting pieces 9, and is accurate in positioning and simple in demolding. The center mold 3 is fixed, the outer mold 7 is placed on the platform 1 and located inside the positioning points 4, the inner hexagonal bolts 5 on the positioning points 4 are tightened, the outer mold 7 is abutted by the clamping heads 6, the position is limited, and the positioning is accurate. The inner part of the outer mold 7 and the outer part of the center mold 3 are poured with concrete, and the concrete pipe ring is formed;
[0055] The outer mold 7 is not a closed ring but can be opened, the connecting pieces 9 are disassembled, the inner hexagonal bolts 5 are loosened, the clamping heads 6 no longer abut the outer surface of the outer mold 7, the clamping heads 6 are adjustable and are floating positioning, the outer mold 7 is slightly opened at this time, the outer mold 7 is lifted, the outer mold 7 and the concrete part are separated at this time, and demolding is facilitated.
Claims
1. A special mold for a pipe ring for hydraulic engineering, comprising a platform (1), a support (2), characterized in that, The bottom of the platform (1) is fixedly connected with two parallel supports (2), and the middle of the top surface of the platform (1) is fixedly connected with a center mold (3); The top of the platform (1) is fixedly connected with a plurality of positioning points (4), the positioning points (4) are threadedly connected with hexagon socket head cap screws (5), and the ends of the hexagon socket head cap screws (5) are fixedly connected with tight heads (6); An outer mold (7) is placed above the platform (1), the outer mold (7) is annular, and the ends of the outer mold (7) are fixedly connected with connecting ears (8); The connecting ears (8) are connected through a connecting piece (9); A compression ring (10) is pressed above the outer mold (7); The end surface of the tight head (6) abuts against the outer surface of the outer mold (7), and the outer surface of the outer mold (7) is fixedly connected with a joint (11); The top surface of the platform (1) is fixedly connected with a plurality of cushion blocks (12), and the bottom surface of the joint (11) is crimped with the cushion blocks (12); A rod bolt (13) is threadedly connected on the joint (11), and the rod bolt (13) is threadedly connected with the platform (1).
2. The special mold for pipe ring of hydraulic engineering according to claim 1, characterized in that: The platform (1) is integrally welded with the support (2), and the support (2) is in a bent shape.
3. The special mold for pipe ring of hydraulic engineering according to claim 2, characterized in that: The center mold (3) is cylindrical, coaxial with the outer mold (7), and located inside the outer mold (7).
4. The special mold for pipe ring of hydraulic engineering according to claim 3, characterized in that: The height of the center mold (3) is the same as the height of the outer mold (7), the positioning points (4) are located outside the outer mold (7) and are arranged around the circumference of the outer mold (7).
5. The special mold for pipe ring of hydraulic engineering according to claim 4, characterized in that: The ends of the hexagon socket head cap screws (5) are outward, and the outer mold (7) can be opened.
6. A special mold for pipe ring of hydraulic engineering as claimed in claim 5, characterized in that: The connecting piece (9) is specifically a bolt and a nut, the bolt penetrates through the two connecting ears (8) and is threadedly connected with the nut, and the bottom of the connecting ear (8) is pressed on the top surface of a positioning point (4).