Prestressed beam manufacturing die

Abstract

The utility model discloses a prestressed beam manufacturing mould which comprises a mould body and a tensioning mechanism, a tensioning space is arranged in the middle of the tensioning mechanism, the mould body is arranged in the tensioning space, the mould body comprises two groups of mould side plates, a mould bottom plate, a mould separating plate and a mould end plate, the mould side plates are arranged in parallel, and the mould bottom plate is arranged on the mould side plates. A plurality of mold bottom plates are laid between the two sets of mold side plates, a mold separation plate is arranged between every two adjacent mold bottom plates, mold cavities are formed among the mold side plates, the mold bottom plates and the mold separation plates and between every two adjacent mold separation plates and the mold bottom plates, and mold end plates are arranged at the two ends of each mold cavity. According to the prestressed beam manufacturing mold, due to the fact that the mold bottom plates and the mold separation plates are arranged, the whole manufacturing mold is convenient to assemble and simple in structure, multiple types of prestressed beams can be manufactured at a time, production sites can be converted at any time through the assembling mode, the manufacturing mold has high flexibility and operability, and meanwhile the manufacturing mold is convenient to manufacture. Through the diaphragm plate, the die can be conveniently assembled and disassembled, so that the production efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of precast beam component production technology, and in particular to a mold for manufacturing prestressed beams. Background Technology

[0002] Precast concrete beams are widely used in construction, transportation, water conservancy and other fields, playing an important role in the national economy. With the use of molds, raw materials are placed into the molds and shaped after cooling. With the development of industrialization, precast beam molds are one of the most common tools for producing precast components.

[0003] In the existing technology, prestressed beam molds are mostly made in the form of a long line platform with a fixed tensioning end. During the production of such molds, it is necessary to excavate a foundation pit on the ground and fill and fix the tensioning end with concrete to connect it to the ground. Therefore, the foundation structure of such molds is relatively complex and the cost is high. At the same time, such molds are generally operated in the open air and can only be fixed in the same production location. They cannot be moved to different locations, so they are greatly limited by the site and climate. Utility Model Content

[0004] The purpose of this utility model is to provide a prestressed beam manufacturing mold that is simple in structure, flexible in assembly, highly efficient in production, and highly mobile.

[0005] To solve the above technical problems, the present invention can be implemented using the following technical solutions:

[0006] A prestressed beam fabrication mold includes a mold body and a tensioning mechanism. The tensioning mechanism has a tensioning space in the middle, and the mold body is located in the tensioning space. The mold body includes mold side plates, mold bottom plates, partition plates, and mold end plates. Two sets of mold side plates are arranged in parallel. Several mold bottom plates are laid between the two sets of mold side plates, and partition plates are set between adjacent mold bottom plates. Mold cavities are formed between the mold side plates, the mold bottom plates and the partition plates, and between two adjacent partition plates and the mold bottom plates. Mold end plates are set at both ends of the mold cavities.

[0007] In one embodiment, the partition plate includes a left side plate, a right side plate, an adjusting screw, and a diamond-shaped telescopic frame. The tops of the left side plate and the right side plate are hinged together, and there is a gap at the bottom. The adjusting screw extends downward from the tops of the left side plate and the right side plate to the gap and is threadedly connected to the diamond-shaped telescopic frame. The two sides of the diamond-shaped telescopic frame are respectively connected to the left side plate and the right side plate. Rotating the adjusting screw deforms the diamond-shaped telescopic frame, thereby adjusting the size of the gap at the bottom of the left side plate and the right side plate.

[0008] In one embodiment, a connecting unit is provided between the mold side plate and the adjacent partition plate, and between two adjacent partition plates.

[0009] In one embodiment, the connecting unit includes a limiting seat, a limiting rod, and a locking member. The top of the mold side plate and the partition plate are both welded with limiting seats. The two ends of the limiting rod pass through two adjacent limiting seats and are connected to the locking member, thereby limiting the distance between the mold side plate and the adjacent partition plate, and limiting the distance between two adjacent partition plates.

[0010] In one embodiment, the mold end plate is magnetically connected to the mold side plate and the partition plate via a magnetic box.

[0011] In one embodiment, the end plate is provided with a through hole.

[0012] In one embodiment, both the top of the mold side plate and the partition plate are provided with lifting lugs.

[0013] In one embodiment, the tensioning mechanism includes a tensioning bottom beam, tensioning side beams, a tensioning movable end plate, and a tensioning fixed end plate. Several tensioning bottom beams are laid side by side, and two sets of tensioning side beams are provided, which are respectively located on both sides of the tensioning bottom beam. The tensioning movable end plate is located at one end of the tensioning side beam, and the tensioning fixed end plate is connected to the other end of the tensioning side beam. The tensioning bottom beam, tensioning side beams, tensioning movable end plate, and tensioning fixed end plate constitute the tensioning space.

[0014] In one embodiment, the top of the two sets of tensioned side beams is also connected to several tensioned top beams.

[0015] In one embodiment, tensioning holes are provided on both the tensioning movable end plate and the tensioning fixed end plate. Beneficial effects

[0016] This utility model relates to a prestressed beam fabrication mold. Two sets of mold side plates are placed parallel to each other, and several mold base plates are laid between the two sets of side plates. Partition plates are placed between the mold base plates. Multiple mold cavities are formed by the two sets of side plates, the mold base plates, and the partition plates. Mold end plates are sealed at both ends of each mold cavity, thus completing the assembly of the mold body. The mold body is assembled directly within the tensioning space of the tensioning mechanism, allowing for better cooperation between the mold body and the tensioning mechanism. This makes the overall assembly of the mold convenient and the structure simple. The assembly method allows for easy changes in the production site, giving the mold high flexibility and operability. Adjustable diaphragm plates facilitate mold loading and unloading, thereby improving production efficiency. Attached Figure Description

[0017] Figure 1 A top view of the mold for manufacturing the prestressed beam of this utility model;

[0018] Figure 2 A side view of the mold for manufacturing the prestressed beam of this utility model;

[0019] Figure 3 Top view of the mold body for making the prestressed beam of this utility model;

[0020] Figure 4 Top view of the tensioning mechanism for the mold making of the prestressed beam of this utility model;

[0021] Figure 5 A schematic diagram of the partition template structure for fabricating the prestressed beam mold of this utility model;

[0022] Figure 6 A schematic diagram of the connection unit structure for the mold used to manufacture the prestressed beam of this utility model. Attached Figure Description

[0024] 100. Mold body; 110. Mold side plate; 120. Mold base plate; 130. Partition plate; 131. Left side plate; 132. Right side plate; 133. Adjusting screw; 134. Diamond-shaped telescopic frame; 140. Mold end plate; 141. Through hole; 150. Connecting unit; 151. Limiting seat; 152. Limiting rod; 153. Locking component;

[0025] 200. Tensioning mechanism; 210. Tensioning bottom beam; 220. Tensioning side beam; 230. Tensioning movable end plate; 240. Tensioning fixed end plate; 250. Tensioning top beam; 260. Simple ladder. Detailed Implementation

[0026] To make the above-mentioned objects, features, and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a full understanding of this utility model. However, this utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed below.

[0027] It should be noted that when an element is said to be "fixed to" another element, it can be directly on the other element or there may be an intervening element. When an element is said to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. Conversely, when an element is said to be "directly on" another element, there is no intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0029] Please see Figures 1 to 4 A prestressed beam fabrication mold includes a mold body 100 and a tensioning mechanism 200. The tensioning mechanism 200 has a tensioning space in the middle, and the mold body 100 is located in the tensioning space. The mold body 100 includes mold side plates 110, mold bottom plates 120, partition plates 130, and mold end plates 140. Two sets of mold side plates 110 are provided and arranged in parallel. Several mold bottom plates 120 are laid between the two sets of mold side plates 110, and partition plates 130 are provided between adjacent mold bottom plates 120. Mold cavities are formed between the mold side plates 110, the mold bottom plates 120 and the partition plates 130, and between two adjacent partition plates 130 and the mold bottom plates 120. Mold end plates 140 are provided at both ends of the mold cavities.

[0030] Specifically, when assembling the prestressed beam fabrication mold, the tensioning mechanism 200 is assembled first. In this embodiment, the tensioning mechanism 200 includes a tensioning bottom beam 210, two sets of tensioning side beams 220, a tensioning movable end plate 230, and a tensioning fixed end plate 240. Several tensioning bottom beams 210 are laid side by side on the ground. The tensioning bottom beams 210 are square tubes. The two sets of tensioning side beams 220 are respectively set on both sides of the tensioning bottom beam 210 and connected and fixed to the several tensioning bottom beams 210 with bolts. Then, the tensioning movable end plate 230 is set at one end of the tensioning side beam 220, and this end is also equipped with a jack device, an anti-retraction device, etc. The setup of the device is all existing technology, so it will not be described in detail here. The tensioning fixed end plate 240 is then installed on the other end of the tensioning side beam 220 by bolts. Thus, the tensioning space is formed by several tensioning bottom beams 210, two sets of tensioning side beams 220, tensioning movable end plate 230 and tensioning fixed end plate 240. Of course, in order to ensure the stability of the tensioning mechanism 200, several tensioning top beams 250 can also be connected to the top of the two sets of tensioning side beams 220. The tensioning top beams 250 are also made of square tubes. In order to facilitate workers to enter and exit the tensioning space to assemble the mold body 100, simple ladders 260 are provided on the inner and outer sides of the tensioning side beams 220.

[0031] After assembling the tensioning mechanism 200, the mold body 100 is then assembled within the tensioning space of the tensioning mechanism 200. During assembly, two sets of mold side plates 110 are placed parallel to each other and fixed to the tensioning bottom beam 210 with bolts. Simultaneously, several mold base plates 120 are laid between the two sets of mold side plates 110, resting on the tensioning bottom beam 210. Spacing is formed between the mold base plates 120, and partition plates 130 are installed at these gaps. This allows the two sets of mold side plates to pass through... 110. Multiple prestressed beam forming cavities can be formed by several base plates 120 and partition plates 130. Mold end plates 140 are sealed at both ends of the multiple cavities to complete the assembly of the mold body 100. The mold end plates 140 can be magnetically connected to the mold side plates 110 and partition plates 130 using magnetic boxes (not shown in the figure). The magnetic boxes make the mold end plates 140 more flexible during assembly and eliminate the need for electric welding or electric drilling, making the assembly more convenient and saving labor costs.

[0032] Since the mold side plate 110 and partition plate 130 in the mold body 100 are large in size and have a certain weight, in order to facilitate their transport to the tensioning space of the tensioning mechanism 200 for assembly, lifting lugs (not shown in the figure) are provided on the top of the mold side plate 110 and the partition plate 130. The lifting lugs facilitate the hoisting of the mold side plate 110 and the partition plate 130, thereby facilitating the assembly of the mold body 100.

[0033] In this embodiment, by first assembling the tensioning mechanism 200 and then assembling the mold body 100 within the tensioning space of the tensioning mechanism 200, the overall assembly of the mold can be made convenient and the structure is simple. It also allows for better cooperation between the mold body 100 and the tensioning mechanism 200. Furthermore, the assembly method allows for easy switching of the production site between the tensioning mechanism 200 and the mold body 100, so that the prestressed beam manufacturing mold is no longer limited by site and climate during production operations, giving the prestressed beam manufacturing mold high flexibility and operability.

[0034] In addition, the number of mold base plates 120 and the width of each mold base plate 120 can be controlled according to actual production needs. This allows for the simultaneous production of multiple types of prestressed beams and multiple different models of prestressed beams using the prestressed beam manufacturing mold in this embodiment, thereby improving the production efficiency of prestressed beams.

[0035] After the prestressed beam fabrication mold is assembled, a release agent can be applied to the surface of the mold base plate 120, mold side plate 110 and partition plate 130. The reinforcing cage and prestressed steel strands are then installed into the mold body 100, and each prestressed steel strand passes through the through hole 141 of the mold end plate 140 and into the tensioning hole (not shown in the figure) on the tensioning movable end plate 230 and tensioning fixed end plate 240. The prestressed steel strands are then prestressed. After the prestress is applied to the set requirements, concrete pouring is carried out. After tensioning, pouring and curing are completed, the prestressing is released and the mold is demolded.

[0036] Please see Figure 5 To facilitate the assembly of the mold body 100 and the molding process, the partition plate 130 in this embodiment includes a left side plate 131, a right side plate 132, an adjusting screw 133, and a diamond-shaped telescopic frame 134. The tops of the left side plate 131 and the right side plate 132 are hinged together, while the lower part has a gap. The adjusting screw 133 extends downward from the tops of the left side plate 131 and the right side plate 132 to the gap and is threadedly connected to the diamond-shaped telescopic frame 134. The two sides of the diamond-shaped telescopic frame 134 are respectively connected to the left side plate 131 and the right side plate 132. By rotating the adjusting screw 133, the diamond-shaped telescopic frame 134 is deformed, thereby adjusting the size of the gap between the lower part of the left side plate 131 and the right side plate 132.

[0037] When assembling the mold body 100, the partition plate 130 is in its normal state and can be directly assembled between the two mold base plates 120. When the prestressed beam is formed and demolding is required, the adjusting screw 133 can be manually rotated. When the adjusting screw 133 is rotated, the upper and lower ends of the diamond-shaped telescopic frame 134 will move in opposite directions, causing the sides to retract. When the sides of the diamond-shaped telescopic frame 134 retract, they will pull the lower parts of the left side plate 131 and the right side plate 132. The left plate 131 and the right plate 132 are moved towards each other to reduce the gap between the lower parts of the left plate 131 and the right plate 132. This makes it easier to dismantle the partition template 130. The dismantling efficiency is nearly three times higher than that of existing molds, thereby improving the production efficiency of prestressed beams and facilitating the installation and dismantling of the mold body 100. When installing the mold, the adjusting screw 133 is rotated in the opposite direction to reset the diamond-shaped telescopic frame 134, thereby resetting the left plate 131 and the right plate 132.

[0038] Please see Figure 6 In order to avoid bulging of the formwork during concrete pouring, in this embodiment, a connecting unit 150 is provided between the formwork side plate 110 and the adjacent partition template 130, and between two adjacent partition templates 130. The stability between the two sets of formwork side plates 110 and several partition templates 130 can be ensured by the connecting unit 150.

[0039] The connecting unit 150 includes a limiting seat 151, a limiting rod 152, and a locking member 153. The top of the mold side plate 110 and the partition plate 130 are both welded with limiting seats 151. The two ends of the limiting rod 152 pass through two adjacent limiting seats 151 respectively and are connected with the locking member 153, thereby limiting the distance between the mold side plate 110 and the adjacent partition plate 130, and limiting the distance between two adjacent partition plates 130. The limiting seats 151 are welded to the top of the mold side plates 110 and the partition templates 130 respectively. After the two sets of mold side plates 110 and several partition templates 130 are assembled, the two ends of the limiting rod 152 are respectively inserted into the two sets of limiting seats 151. The limiting rod 152 is a double-threaded rod. After the limiting rod 152 is inserted, locking parts 153 are respectively set at the two ends of the limiting rod 152. The locking parts 153 are nuts. The nuts are screwed onto the double-threaded rods to achieve a stable connection between the two sets of mold side plates 110 and several partition templates 130. This prevents the mold from bulging during concrete pouring, ensures the production quality of the prestressed beam, and makes the structure of the prestressed beam mold simple and the design reasonable.

[0040] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art can readily implement this utility model based on the accompanying drawings and the above description; however, any modifications, alterations, or variations made by those skilled in the art without departing from the scope of the utility model's technical solution, utilizing the disclosed technical content, are equivalent embodiments of this utility model; furthermore, any equivalent changes, alterations, or variations made to the above embodiments based on the essential technology of this utility model are still within the protection scope of this utility model's technical solution.

Claims

1. A mold for manufacturing prestressed beams, characterized in that: It includes a mold body and a tensioning mechanism, with a tensioning space in the middle of the tensioning mechanism and the mold body located in the tensioning space; The mold body includes mold side plates, mold bottom plates, partition plates and mold end plates. There are two sets of mold side plates arranged in parallel. Several mold bottom plates are laid between the two sets of mold side plates, and partition plates are set between adjacent mold bottom plates. Mold cavities are formed between the mold side plate, the mold bottom plate and the partition plate, and between two adjacent partition plates and the mold bottom plate, and mold end plates are provided at both ends of the mold cavity; The partition plate includes a left side plate, a right side plate, an adjusting screw, and a diamond-shaped telescopic frame. The tops of the left side plate and the right side plate are hinged together, while the lower part has a gap. The adjusting screw extends downward from the tops of the left side plate and the right side plate to the gap and is threadedly connected to the diamond-shaped telescopic frame. The two sides of the diamond-shaped telescopic frame are respectively connected to the left side plate and the right side plate. Rotating the adjusting screw causes the diamond-shaped telescopic frame to deform, thereby adjusting the size of the gap between the lower part of the left side plate and the right side plate.

2. The prestressed beam fabrication mold according to claim 1, characterized in that: A connection unit is provided between the side plate of the mold and the adjacent partition plate, and between two adjacent partition plates.

3. The prestressed beam fabrication mold according to claim 2, characterized in that: The connecting unit includes a limiting seat, a limiting rod, and a locking component. The top of the mold side plate and the partition plate are both welded with limiting seats. The two ends of the limiting rod pass through two adjacent limiting seats and are connected to the locking component, thereby limiting the distance between the mold side plate and the adjacent partition plate, and limiting the distance between two adjacent partition plates.

4. The prestressed beam fabrication mold according to claim 1, characterized in that: The mold end plate is magnetically connected to the mold side plate and the partition plate via a magnetic box.

5. The prestressed beam fabrication mold according to claim 1, characterized in that: The end plate is provided with through holes.

6. The prestressed beam fabrication mold according to claim 1, characterized in that: Both the top of the mold side plate and the partition plate are equipped with lifting lugs.

7. The prestressed beam fabrication mold according to claim 1, characterized in that: The tensioning mechanism includes a tensioning bottom beam, tensioning side beams, a tensioning movable end plate, and a tensioning fixed end plate. Several tensioning bottom beams are laid side by side, and two sets of tensioning side beams are provided, which are respectively located on both sides of the tensioning bottom beam. The tensioning movable end plate is located at one end of the tensioning side beam, and the tensioning fixed end plate is connected to the other end of the tensioning side beam. The tensioning bottom beam, tensioning side beams, tensioning movable end plate, and tensioning fixed end plate constitute the tensioning space.

8. The prestressed beam fabrication mold according to claim 7, characterized in that: Several tensioning top beams are also connected to the top of the two sets of tensioning side beams.

9. The prestressed beam fabrication mold according to claim 7, characterized in that: Tensioning holes are provided on both the movable tensioning end plate and the fixed tensioning end plate.

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