Middle wall mold structure of large prefabricated pipe gallery

By using the method of skeleton limit after mold clamping and vibrating the stool wall vibrator after mold clamping in the wall mold structure in the large prefabricated pipe corridor, the problem of honeycomb and hollowness after solidification of the prefabricated parts is solved, and the vibration effect and mold release convenience are improved.

CN222832039UActive Publication Date: 2025-05-06CLP SOUTHERN CONSTR TECH CO LTD +1
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Patent Information

Application Number
CN202421295557.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-07
Publication Date
2025-05-06
Estimated Expiration
2034-06-07

AI Technical Summary

Technical Problem

In the middle wall mold structure of a large prefabricated pipe gallery, honeycomb-like and hollows are prone to appear in the position close to the mold after the prefabricated parts solidify.

Method used

Using a structure including a base frame, a first mold and a second mold, the first mold and the second mold are fixedly connected by bolts to form a forming cavity matching the middle wall, and a silo wall vibrator is provided on the back of the mold to achieve vibration.

Benefits of technology

Through the skeleton limit after mold clamping and the vibration effect of the silo wall vibrator, the appearance of honeycomb and hollows is effectively avoided, the vibration effect is improved, and the mold release process is simplified.

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Abstract

The utility model provides a large prefabricated pipe gallery middle wall mold structure which comprises a bottom frame, a first mold and a second mold, the first mold and the second mold are provided with forming faces matched with a middle wall, and a forming cavity matched with the middle wall is formed after the first mold and the second mold are assembled. The first mold and the second mold are both connected with a fixing frame, a framework is arranged on the bottom frame, and the framework is located on the lower portion of the forming cavity and serves as the bottom face of the forming cavity; the fixing frame is arranged on the bottom frame in a sliding mode through a sliding assembly, and after the first mold and the second mold are fixedly connected through bolts, the forming faces on the first mold and the second mold make contact with the framework to form a complete forming cavity structure. The back faces of the first mold and the second mold are each provided with at least one bin wall vibrator. According to the utility model, the technical problem that the position close to the mold is easy to be honeycomb-shaped and hollow after the prefabricated member is solidified in the prior art can be solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of casting moulds, in particular to a large-scale prefabricated pipe gallery middle wall mould structure. Background Art

[0002] At present, the construction of comprehensive pipeline corridors usually adopts the following two methods: one is on-site cast-in-place, and the other is factory prefabrication. Especially for large-scale pipeline corridors such as tunnel construction, factory prefabrication and on-site assembly are generally used to realize the construction of pipeline corridors.

[0003] like Figure 1 As shown, in order to improve construction efficiency, there is also a method of assembling by combining prefabrication of blocks with on-site pouring. This method generally uses a prefabricated method to prepare the middle wall and the side wall, and the middle wall and the side wall are assembled with composite panels, which are then poured to form an integrated structure.

[0004] Since there are protruding parts on both sides of the bottom of the middle wall, a vertical casting method is required during pouring. A vibrating rod is used for vibrating during pouring. However, after the prefabricated parts solidify, honeycombs and voids are likely to appear near the mold. Utility Model Content

[0005] The utility model aims to provide a large-scale prefabricated pipe gallery middle wall mold structure, which can solve the technical problem in the prior art that honeycombs and cavities are easily formed near the mold after the prefabricated parts are solidified.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0007] A large-scale prefabricated pipe gallery middle wall mold structure comprises a base frame, a first mold and a second mold, wherein the first mold and the second mold are provided with molding surfaces matching the middle wall, and the first mold and the second mold are molded together to form a molding cavity matching the middle wall;

[0008] Wherein, the first mold and the second mold are both connected to a fixing frame, and a frame is arranged on the frame, and the frame is located at the lower part of the molding cavity and serves as the bottom surface of the molding cavity;

[0009] The fixed frame is slidably arranged on the base frame through a sliding assembly. After the first mold and the second mold are fixedly connected by bolts, a complete molding cavity structure is formed after the molding surfaces on the first mold and the second mold contact with the skeleton; at least one warehouse wall vibrator is respectively arranged on the back of the first mold and the second mold.

[0010] The sliding assembly comprises a guide wheel and a guide rail, the guide wheel is arranged on the fixed frame, the guide rail is arranged on the base frame, and the fixed frame is slidably arranged on the base frame through the guide wheel and the guide rail.

[0011] Furthermore, a driving mechanism is provided on the base frame, and the driving mechanism is connected to the first mold and the second mold. The driving mechanism is used to drive the first mold and the second mold to move, thereby realizing the closing and parting of the first mold and the second mold.

[0012] Preferably, the drive mechanism is a hydraulic drive mechanism.

[0013] Furthermore, a sealing strip is provided at the mold-matching position between the first mold and the second mold.

[0014] Among them, the first mold and the second mold are provided with reinforcement holes, and the steel bars in the middle wall are sealed with foam glue after passing through the reinforcement holes.

[0015] Further optimization is performed by providing template cloths on the molding surfaces of the first mold and the second mold.

[0016] Among them, a plurality of positioning holes are arranged on the first mold and the second mold, and the positioning holes are used to realize the positioning of the embedded parts and the steel bars.

[0017] It is further defined that the fixing frame as a whole is an inverted straight triangular prism structure.

[0018] Compared with the prior art, the utility model has the following beneficial effects:

[0019] The utility model mainly comprises a first mold and a second mold that are molded together to form a cavity, a skeleton surface is set as the bottom surface of the molding cavity, the skeleton can realize the limitation of the first mold and the second mold, after the first mold box and the second mold are molded together, the first mold and the second mold are buckled on the skeleton under the action of bolts; when pouring, a steel skeleton can be set in the molding cavity, and then a prefabricated middle wall is formed by pouring; in actual use, the utility model realizes the vibration of the first mold and the second mold through the set warehouse wall vibrator, thereby achieving the purpose of vibration, and at the same time, under the action of the internal vibrator rod used during pouring, the air in the molding cavity can be quickly discharged, so that the cement can be more compact, and the vibration of the inside and outside is realized under the action of the warehouse wall vibrator, which can effectively improve the vibration effect; the utility model can solve the technical problem in the prior art that honeycomb and voids are easily formed near the mold after the prefabricated part is solidified. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 This is an overall structural diagram of the pipe gallery in the prior art.

[0022] Figure 2 It is a schematic diagram of the overall structure of the utility model.

[0023] Figure 3 For this utility model Figure 2 Section view of the AA plane.

[0024] Figure 4 This is a state diagram of the steel bar skeleton of the utility model being located in the forming cavity.

[0025] Reference numerals:

[0026] 101-base frame, 102-first mold, 103-second mold, 104-molding surface, 105-molding cavity, 106-fixed frame, 107-skeleton, 108-bolt, 109-warehouse wall vibrator, 110-guide wheel, 111-guide rail, 112-workbench, 113-guardrail, 114-steel skeleton. DETAILED DESCRIPTION

[0027] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the embodiments of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0028] In the description of the embodiments of the present invention, it should be understood that the terms "length", "vertical", "horizontal", "top", "bottom", etc. indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present invention.

[0029] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0030] In the embodiments of the present utility model, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present utility model can be understood according to specific circumstances.

[0031] In the embodiments of the present utility model, unless otherwise clearly specified and limited, the first feature being "above" or "below" the second feature may include the first and second features being in direct contact, or may include the first and second features not being in direct contact but being in contact through another feature between them. Moreover, the first feature being "above", "above" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. The first feature being "below", "below" and "below" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0032] The disclosure below provides many different embodiments or examples for realizing different structures of the embodiments of the present utility model. In order to simplify the disclosure of the embodiments of the present utility model, the components and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the embodiments of the present utility model. In addition, the embodiments of the present utility model can repeat reference numbers and / or reference letters in different examples, and this repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed.

[0033] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0034] See also Figure 2-Figure 4 The present embodiment discloses a prefabricated pipe gallery mold, specifically a large-scale prefabricated pipe gallery middle wall mold structure, including a base frame 101, a first mold 102 and a second mold 103, the first mold 102 and the second mold 103 are provided with a molding surface 104 matching the middle wall, and the first mold 102 and the second mold 103 are molded together to form a molding cavity 105 matching the middle wall;

[0035] The first mold 102 and the second mold 103 are both connected to a fixing frame 106, and a frame 107 is provided on the bottom frame 101. The frame 107 is located at the lower part of the molding cavity 105 and serves as the bottom surface of the molding cavity 105;

[0036] The fixing frame 106 is slidably set on the base frame 101 through a sliding assembly. After the first mold 102 and the second mold 103 are fixedly connected by bolts 108, the molding surfaces 104 on the first mold 102 and the second mold 103 contact with the skeleton 107 to form a complete molding cavity 105 structure; at least one warehouse wall vibrator 109 is respectively arranged on the back of the first mold 102 and the second mold 103.

[0037] The utility model mainly comprises a first mold 102 and a second mold 103 that are molded together to form a mold cavity 105, a surface of a skeleton 107 is provided as the bottom surface of the molding cavity 105, and the skeleton 107 can limit the first mold 102 and the second mold 103. After the first mold 102 and the second mold 103 are molded together, the first mold 102 and the second mold 103 are buckled on the skeleton 107 under the action of bolts 108; when pouring, a steel skeleton 114 can be provided in the molding cavity 105, and then a prefabricated middle wall is formed by pouring. ; In actual use, the utility model realizes the vibration of the first mold 102 and the second mold 103 through the silo wall vibrator 109, thereby achieving the purpose of vibration. At the same time, under the action of the internal vibrator rod used during pouring, the air in the molding cavity 105 can be quickly discharged, so that the cement can be more compact. Under the action of the silo wall vibrator 109, the vibration of the inside and outside can be achieved, which can effectively improve the vibration effect. The utility model can solve the technical problem in the prior art that honeycomb and voids are easily formed near the mold after the prefabricated parts are solidified.

[0038] In actual use, there are five silo wall vibrators 109, which are located at the four corners and the middle to improve the vibration effect.

[0039] The sliding assembly includes a guide wheel 110 and a guide rail 111 . The guide wheel 110 is disposed on the fixed frame 106 , and the guide rail 111 is disposed on the bottom frame 101 . The fixed frame 106 is slidably disposed on the bottom frame 101 via the guide wheel 110 and the guide rail 111 .

[0040] The sliding assembly can make the first mold 102 and the second mold 103 more convenient during mold closing and demolding.

[0041] More importantly, in actual use, this embodiment can not only solve the technical problem of voids in prefabricated parts, but also assist in demoulding; when the cement solidifies, the purpose of rapid demoulding can be achieved under the action of the silo wall vibrator 109.

[0042] The base frame 101 is provided with a driving mechanism, which is connected to the first mold 102 and the second mold 103 , and is used to drive the first mold 102 and the second mold 103 to move, thereby realizing the closing and parting of the first mold 102 and the second mold 103 .

[0043] Furthermore, the driving mechanism is a hydraulic driving mechanism.

[0044] The drive mechanism provided can make mold closing and mold separation more convenient and labor-saving, thereby improving prefabrication efficiency.

[0045] In some specific embodiments, a sealing strip is provided at the mold-joining position of the first mold 102 and the second mold 103, so that the joint between the first mold 102 and the second mold 103 can be tighter after being joined, and the leakage of slurry can be effectively reduced.

[0046] Furthermore, reinforcement holes are provided on the first mold 102 and the second mold 103. After the steel bars in the middle wall pass through the reinforcement holes, foam glue is used to seal them to reduce mortar leakage at the reinforcement holes.

[0047] In some specific embodiments, a template cloth is provided on the molding surface 104 of the first mold 102 and the second mold 103. The template cloth is pasted on the molding surface 104 to discharge excess air and water on the concrete surface, reduce bubbles, and improve the quality of the prefabricated parts.

[0048] Furthermore, a plurality of positioning holes are provided on the first mold 102 and the second mold 103, and the positioning holes are used to realize the positioning of the embedded parts and the steel bars.

[0049] In this way, in actual use, different arrangements of the steel skeleton 114 can be adopted. One is to assemble the steel skeleton 114 from the outside and then place it in the molding cavity 105 by hoisting. The other is to roll the steel bars and embedded parts on the first mold 102 and the second mold 103 before closing the mold, thereby eliminating the hoisting step.

[0050] Furthermore, the fixing frame 106 as a whole is an inverted straight triangular prism structure, and the setting of the fixing frame 106 can support and reinforce the first mold 102 and the second mold 103, thereby improving the stability and safety of the utility model when in use.

[0051] Advantageously, a workbench 112 and a guardrail 113 are provided on the top of the first mold 102 and the second mold 103 to facilitate the processing of the top surface of the middle wall prefabricated component by the staff.

[0052] Although the preferred embodiments of the present invention have been described, those skilled in the art may make other changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications falling within the scope of the present invention.

[0053] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. It should be pointed out that any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A large prefabricated pipe gallery middle wall mold structure, characterized by: It includes a base frame, a first mold and a second mold, wherein the first mold and the second mold are provided with molding surfaces matching the middle wall, and the first mold and the second mold are molded together to form a molding cavity matching the middle wall; Wherein, the first mold and the second mold are both connected to a fixing frame, and a frame is arranged on the frame, and the frame is located at the lower part of the molding cavity and serves as the bottom surface of the molding cavity; The fixed frame is slidably arranged on the base frame through a sliding assembly. After the first mold and the second mold are fixedly connected by bolts, a complete molding cavity structure is formed after the molding surfaces on the first mold and the second mold contact with the skeleton; at least one warehouse wall vibrator is respectively arranged on the back of the first mold and the second mold.

2. A large-scale prefabricated pipe gallery middle wall mold structure according to claim 1, characterized in that: The sliding assembly comprises a guide wheel and a guide rail. The guide wheel is arranged on the fixed frame, and the guide rail is arranged on the bottom frame. The fixed frame is slidably arranged on the bottom frame through the guide wheel and the guide rail.

3. A large-scale prefabricated pipe gallery middle wall mold structure according to claim 1, characterized in that: A driving mechanism is arranged on the base frame, and the driving mechanism is connected with the first mold and the second mold. The driving mechanism is used to drive the first mold and the second mold to move, so as to realize the closing and parting of the first mold and the second mold.

4. A large-scale prefabricated pipe gallery middle wall mold structure according to claim 2, characterized in that: The driving mechanism is a hydraulic driving mechanism.

5. A large-scale prefabricated pipe gallery middle wall mold structure according to claim 1, characterized in that: A sealing strip is arranged at the mold-matching position between the first mold and the second mold.

6. A large-scale prefabricated pipe gallery middle wall mold structure according to claim 1, characterized in that: The first mold and the second mold are provided with reinforcement holes, and the reinforcement in the middle wall is sealed with foam glue after passing through the reinforcement holes.

7. A large-scale prefabricated pipe gallery middle wall mold structure according to any one of claims 1 to 6, characterized in that: Template cloths are arranged on the molding surfaces of the first mold and the second mold.

8. A large-scale prefabricated pipe gallery middle wall mold structure according to claim 7, characterized in that: A plurality of positioning holes are provided on the first mold and the second mold, and the positioning holes are used to realize the positioning of the embedded parts and the steel bars.

9. A large-scale prefabricated pipe gallery middle wall mold structure according to claim 1, characterized in that: The fixing frame is in the form of an inverted straight triangular prism structure as a whole.