High-speed rail box girder quick-release internal mold
By designing a quick-release inner formwork for high-speed railway box girders and utilizing a hydraulic rod-controlled tilting and lifting structure, the rapid dismantling of the inner formwork for box girders was achieved, solving the problem of low dismantling efficiency in existing technologies, improving construction efficiency and reducing labor intensity.
Patent Information
- Application Number
- CN202521037343.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-26
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-05-26
AI Technical Summary
The existing box girder internal formwork dismantling efficiency is low, resulting in long construction time and high labor intensity for workers.
The high-speed railway box girder quick-release inner mold, composed of top mold, bottom mold, side mold, sealing block, base and lifting roller device, is quickly removed by controlling the flipping and lifting of the inner mold through hydraulic rods.
It improved the efficiency of internal formwork removal, reduced the labor intensity of workers, and shortened the construction time.
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Figure CN223951642U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to box girder template technical field, in particular to a kind of high-speed rail box girder quick-release inner mold. BACKGROUND
[0002] Box girder needs to build inner mold to form the cavity of box girder in the process of making construction, specifically manifested as placing box girder inner mold in the inside of outer mold, to form pouring space for concrete pouring between outer mold and inner mold, after concrete solidification molding, outer mold and inner mold are disassembled again.
[0003] For the convenience of stripping, the box girder inner mold in the prior art is often assembled by small templates, and a large number of bolts are used to combine and assemble the templates, so when disassembling the inner mold, the worker drills into the inner mold and uses a special tool to disassemble the bolts, which is time-consuming and laborious, resulting in long construction time and low construction efficiency. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a kind of high-speed rail box girder quick-release inner mold to solve the problem of low disassembly efficiency of inner mold in the above background.
[0005] According to one aspect of the present disclosure, the following technical solution is provided: a kind of high-speed rail box girder quick-release inner mold, including top die, bottom die and two edge molds, also including plugging block, pedestal and two lifting roller devices;
[0006] Two edge molds upper end are movably hinged at the two ends of top die, and the lower ends of two edge molds are movably hinged at the two ends of bottom die, the top die is composed of two turnover templates, and a gap for filling the plugging block is formed between the two turnover templates, the turnover template is movably hinged with the adjacent position edge mold by a first hydraulic rod, the pedestal is fixedly installed on the bottom die, and a second hydraulic rod is movably hinged with the corresponding position edge mold at the two sides of the pedestal;
[0007] The bottom of the plugging block is fixedly connected with the top of the pedestal by a third hydraulic rod.
[0008] The surface of the bottom die is provided with a clamping slot at both sides, and two lifting roller devices are installed at the two clamping slot positions.
[0009] According to the high-speed rail box girder quick-release inner mold of at least one embodiment of the present disclosure, the lifting roller device includes a hydraulic cylinder, a roller and a U-shaped seat, the two sides of the pedestal are fixedly installed with a support plate, the hydraulic cylinder is fixedly installed on the support plate, the roller is clamped into the corresponding position of the clamping slot, and the roller is rotatably installed in the U-shaped seat, and the U-shaped seat is fixedly installed at the bottom of the corresponding position support plate.
[0010] According to the high-speed rail box girder quick disassembly inner mold of at least one embodiment of the present disclosure, the blocking block section is a convex letter shape, which is used for blocking the gap between two turnover molds.
[0011] According to the high-speed rail box girder quick disassembly inner mold of at least one embodiment of the present disclosure, the clamping slot bottom is provided with a sealing plate, and the sealing plate is used for blocking the clamping slot.
[0012] According to the high-speed rail box girder quick disassembly inner mold of at least one embodiment of the present disclosure, the base front side is fixedly provided with a clamping hook.
[0013] According to the high-speed rail box girder quick disassembly inner mold of at least one embodiment of the present disclosure, the first hydraulic rod, the second hydraulic rod, the third hydraulic rod and the hydraulic cylinder are all controlled to start and stop through a remote control switch.
[0014] The technical effects and advantages of the present application are as follows:
[0015] When the mold needs to be collected, the third hydraulic rod is first started to make the blocking block descend, then the first hydraulic rod is started to make the turnover mold overturn downward, so that it is separated from the top of the box girder, and then the second hydraulic rod is started to make the side mold overturn, and the whole inner mold is lifted up through the lifting roller device, at this time the winch can pull out the whole inner mold from the box girder, thereby improving the efficiency of disassembling the inner mold and reducing the labor intensity of the workers. BRIEF DESCRIPTION OF DRAWINGS
[0016] The accompanying drawings illustrate exemplary embodiments of the present disclosure and together with the description, explain the principles of the present disclosure, wherein the drawings are included to provide further understanding of the present disclosure and are incorporated in and constitute a part of the specification.
[0017] Figure 1 is a structural diagram of the high-speed rail box girder quick disassembly inner mold of the present application.
[0018] Figure 2 is a mold collection state schematic diagram of the high-speed rail box girder quick disassembly inner mold of the present application.
[0019] In the drawings, the specific reference signs are as follows:
[0020] 1, top mold; 11, turnover mold; 2, side mold; 3, bottom mold; 31, clamping slot; 32, sealing plate; 4, blocking block; 5, base; 51, support plate; 6, lifting roller device; 61, roller; 62, U-shaped seat; 63, hydraulic cylinder; 7, first hydraulic rod; 8, second hydraulic rod; 9, third hydraulic rod. DETAILED DESCRIPTION
[0021] For descriptive purposes, this disclosure may use spatial relative terms such as “below,” “under,” “below,” “down,” “above,” “above,” “higher,” and “side (e.g., as in a “sidewall”)” to describe the relationship between one component and another component as shown in the accompanying drawings. In addition to the orientations depicted in the drawings, the spatial relative terms are also intended to encompass different orientations of the device during use, operation, and / or manufacture. For example, if the device in the drawings is flipped, a component described as “below” or “under” other components or features would subsequently be positioned “above” said other components or features. Thus, the exemplary term “below” can encompass both “above” and “below” orientations. Furthermore, the device may be otherwise positioned (e.g., rotated 90 degrees or in other orientations), thus interpreting the spatial relative descriptive terms used herein accordingly.
[0022] like Figures 1-2 As shown in the figure, a quick-release inner mold for a high-speed railway box girder is disclosed in this disclosure. The inner mold includes a top mold 1, a bottom mold 3 and two side molds 2, as well as a sealing block 4, a base 5 and two lifting roller devices 6.
[0023] The upper ends of the two side molds 2 are respectively hinged to the two ends of the top mold 1, and the lower ends of the two side molds 2 are respectively hinged to the two ends of the bottom mold 3. The top mold 1 is composed of two flipping templates 11, and a gap for filling the sealing block 4 is formed between the two flipping templates 11. The flipping templates 11 are hinged to the adjacent side molds 2 through the first hydraulic rod 7. The base 5 is fixedly installed on the bottom mold 3. The base 5 is hinged to the two sides of the base 5, and the other end of the second hydraulic rod 7 is hinged to the corresponding side mold 2.
[0024] The bottom of the sealing block 4 is fixedly connected to the top of the base 5 via a third hydraulic rod 9;
[0025] The bottom mold 3 has slots 31 on both sides of its surface, and two lifting roller devices 6 are respectively installed in the two slots 31. The lifting roller devices 6 are used to lift the entire inner mold.
[0026] In this embodiment, the lifting roller device 6 includes a hydraulic cylinder 63, a roller 61, and a U-shaped seat 62. Support plates 51 are fixedly installed on both sides of the base 5. The hydraulic cylinder 63 is fixedly installed on the support plate 51. The roller 61 is inserted into the corresponding slot 31 and is rotatably installed in the U-shaped seat 62. The U-shaped seat 62 is fixedly installed at the bottom of the support plate 51 at the corresponding position.
[0027] In this embodiment, the sealing block 4 has a convex cross-section and is used to seal the gap between the two flipping templates 11.
[0028] Further, in order to avoid the casted concrete entering the clamping slot 31, in the embodiment, a sealing plate 32 is arranged at the bottom of the clamping slot 31, and the sealing plate 32 is used to seal the clamping slot 31.
[0029] Further, in order to facilitate the winch to pull out the whole inner mold, in the embodiment, a clamping hook is fixedly installed at the front side of the base 5.
[0030] In the embodiment, the first hydraulic rod 7, the second hydraulic rod 8, the third hydraulic rod 9 and the hydraulic cylinder 63 are all controlled to start and stop through remote control switches.
[0031] The specific operation steps are as follows: as shown in Figure 2 when the mold needs to be collected, first, the third hydraulic rod 9 is started to make the sealing block 4 descend, then the first hydraulic rod 7 is started to make the turnover mold plate 11 turn down to make it separate from the top of the box girder, then the second hydraulic rod 7 is started to make the side mold 2 turn over, the hydraulic cylinder 63 is started to make the roller 61 extend into the clamping slot 31, and the whole inner mold is lifted up, the winch is connected with the clamping hook on the base 5, and the winch can pull out the whole inner mold from the box girder.
[0032] In the description of the specification, the description of the terms "one embodiment / way", "some embodiments / ways", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment / way or example are included in at least one embodiment / way or example of the present application. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment / way or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments / ways or examples. In addition, the skilled in the art can combine and combine the features of different embodiments / ways or examples described in the specification without contradiction.
[0033] In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one feature. In the description of the present application, the meaning of "multiple" is at least two, for example, two, three, etc., unless otherwise specifically limited.
[0034] Those skilled in the art should understand that the above embodiments are only for clearly illustrating the present disclosure, and are not intended to limit the scope of the present disclosure. Based on the above disclosure, other changes or modifications can also be made by those skilled in the art, and these changes or modifications are still within the scope of the present disclosure.
Claims
1. A high-speed rail box girder quick-release inner mold, comprising a top mold, a bottom mold and two side molds, characterized in that: It also includes a blocking block, a base and two lifting roller devices; Two upper ends of the side molds are movably hinged at two ends of the top mold, and two lower ends of the side molds are movably hinged at two ends of the bottom mold, the top mold is composed of two turnover mold plates, a gap for filling the blocking block is formed between the two turnover mold plates, the turnover mold plates are movably hinged with the adjacent side molds through first hydraulic rods, the base is fixedly installed on the bottom mold, second hydraulic rods are movably hinged on both sides of the base, and the other ends of the second hydraulic rods are movably hinged with the corresponding side molds; The bottom of the blocking block is fixedly connected with the top of the base through a third hydraulic rod; Both sides of the surface of the bottom mold are provided with clamping slot openings, and the two lifting roller devices are installed at the two clamping slot openings.
2. The quick-release inner formwork for high-speed railway box girder according to claim 1, characterized in that: The lifting roller device comprises a hydraulic cylinder, a roller and a U-shaped seat, both sides of the base are fixedly provided with support plates, the hydraulic cylinder is fixedly installed on the support plate, the roller is clamped into the corresponding clamping slot opening, and the roller is rotatably installed in the U-shaped seat, and the U-shaped seat is fixedly installed at the bottom of the corresponding support plate.
3. The quick-release inner formwork for high-speed railway box girder according to claim 1, characterized in that: The cross section of the blocking block is in the shape of a Chinese character "K", which is used to block the gap between the two turnover mold plates.
4. The quick-release inner formwork for high-speed railway box girder according to claim 1, characterized in that: An enclosing plate is arranged at the bottom of the clamping slot opening, and the enclosing plate is used to block the clamping slot opening.
5. The quick-release inner formwork for high-speed railway box girder according to claim 1, characterized in that: A clamping hook is fixedly installed on the front side of the base.
6. The quick-release inner formwork for high-speed railway box girder according to claim 2, characterized in that: The first hydraulic rod, the second hydraulic rod, the third hydraulic rod and the hydraulic cylinder are all controlled to start and stop through a remote control switch.