Railway simply-supported box girder vertical wall breaking joint formwork

By designing a railway simple-supported box beam vertical wall fracture formwork with a joint breaking treatment mechanism and an oil-injecting lubrication mechanism, the difficulties in the fixed installation and water storage and maintenance process in the prior art are solved, and higher convenience and structural stability are achieved.

CN222744821UActive Publication Date: 2025-04-11CHINA RAILWAY 24TH BUREAU GRP BRIDGE & CONSTR CO LTD +1
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Patent Information

Application Number
CN202421932375.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-12
Publication Date
2025-04-11
Estimated Expiration
2034-08-12

AI Technical Summary

Technical Problem

The existing railway simple-supported box beam vertical wall fracture formwork has difficulties in the process of fixed installation and water storage maintenance, resulting in easy leakage at the fractured joints, affecting the stability and convenience of the overall structure.

Method used

A railway simple-supported box beam vertical wall fracture formwork including a joint-breaking treatment mechanism and an oil-filling lubrication mechanism is designed. The joint breaking treatment mechanism uses internal threaded holes and fixing bolts to achieve stable fixation of the template, while the oil-injecting lubrication mechanism lubricates the fixing bolts through the drainage and oil-injecting component to reduce rust and disassembly and assembly difficulties.

Benefits of technology

The fixing and installation convenience of the fractured seam form and the convenience of water storage and maintenance during vertical wall molding and vertical wall breaking treatment is improved, the use of water enclosure plates and cement mortar sealing process is reduced, the leakage of fractured seam is avoided, and the stability of the structure is enhanced.

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Abstract

The utility model discloses a railway simply-supported box girder vertical wall breaking joint formwork which comprises a breaking joint formwork body, the breaking joint formwork body comprises a box girder formwork body, a breaking joint processing mechanism is arranged on the breaking joint formwork body, and the breaking joint processing mechanism comprises a breaking joint processing assembly arranged on the upper surface of the box girder formwork body. Fixed mounting assemblies are arranged on the two sides of the breaking joint processing assembly; by designing a breaking joint processing mechanism, a fixing bolt can be rotated in an inner threaded hole, so that an outer side formwork, an inner side formwork and a breaking joint plate are fixedly installed to form an integral structure, the inner side formwork is convenient to fixedly install and use, the whole is pulled out after a vertical wall is poured and formed, and a water retaining table is naturally formed at the bottom end in a breaking joint through a trapezoidal groove; the breaking joint effect can be achieved, the water retaining effect can be achieved, water surrounding plates during prefabricated water storage maintenance of the railway simply-supported box girder are reduced, and meanwhile the working procedure that the breaking joint is blocked through cement mortar after the box girder is erected is reduced.
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Description

Technical Field

[0001] The utility model belongs to the technical field of fracture templates, and in particular relates to a fracture template for a vertical wall of a railway simply supported box girder. Background Art

[0002] The railway simply supported box girder is the main structure used for casting during railway construction. The vertical wall is mainly used to store cables in the later stage. The box girder vertical wall is easily broken when cast together with the box girder. Usually, the vertical wall is cast by installing a break template before casting. The existing break template is a template body used for break treatment when the box girder vertical wall is cast together with the box girder. After the break template is cast to the vertical wall, it will be pulled out as a whole. The trapezoidal groove naturally forms a water retaining platform at the bottom of the break, which can not only meet the break effect but also perform water retaining, reduce the water-retaining plate during the prefabrication of the railway simply supported box girder for water storage and maintenance, and reduce the process of using cement mortar to seal the break after the box girder is erected, and it is not easy to leak.

[0003] The existing railway simply supported box girder is cast together with the box girder vertical wall to form a fracture, and the fracture is sealed with cement mortar. During the prefabrication of the railway simply supported box girder, the outer template of the vertical wall is welded to the box girder template as a whole, while the inner template is a suspended template, which is difficult to fix. In addition, the box girder bridge deck concrete adopts water storage and maintenance. During water storage and maintenance, the maintenance water flows out from the fracture and needs to be blocked by a water retaining plate, which affects the convenience of fixing and installing the fracture template when the vertical wall is formed and the convenience of water storage and maintenance. Therefore, the utility model proposes a railway simply supported box girder vertical wall fracture template. Utility Model Content

[0004] The purpose of the utility model is to provide a railway simply supported box girder vertical wall fracture template, so as to solve the problem that the outer side template of the vertical wall is integrally welded to the box girder template, while the inner side template is a suspended template, which is difficult to fix, and the box girder bridge deck concrete adopts water storage maintenance. During water storage maintenance, the maintenance water flows out from the fracture and needs to be blocked by a water-retaining plate, which affects the convenience of fixing and installing the fracture template when processing the vertical wall forming fracture and the convenience of water storage maintenance.

[0005] To achieve the above object, the utility model provides the following technical solution: a railway simply supported box girder vertical wall fracture template, comprising a fracture template body, the fracture template body comprising a box girder template body, the fracture template body is provided with:

[0006] A fracture processing mechanism, wherein the fracture processing mechanism comprises a fracture processing assembly arranged on the upper surface of the box beam formwork body, and fixed installation assemblies are arranged on both sides of the fracture processing assembly;

[0007] The invention discloses an oil injection lubrication mechanism, and the oil injection lubrication mechanism comprises an oil inlet storage component arranged at the edge of the fixed installation component, and the inner surface of the oil inlet storage component is provided with a drainage oil injection component.

[0008] Preferably, the fracture processing assembly comprises three fracture plates arranged on one side of the upper surface of the box beam formwork body, inner formwork and outer formwork are respectively arranged on both sides of the fracture plates, and a trapezoidal groove is opened at the bottom end of the fracture plates.

[0009] Preferably, the three fracture plates have the same thickness, and the three outer templates are arranged side by side.

[0010] Preferably, the fixed installation assembly includes internal threaded holes opened inside the fracture plate, the inner template and the outer template, and a fixing bolt is rotated inside the internal threaded hole.

[0011] Preferably, the inner template, the outer template and the fracture plate are rotationally fixed by fixing bolts and internal threaded holes, and the fracture plate, the inner template and the outer template are fixed to form an integral structure.

[0012] Preferably, the oil inlet storage assembly includes an oil channel opened at the inner edge of the internal threaded hole, one side of the oil channel is located at the oil filling port on the side of the outer template, and the end of the oil filling port is threadedly rotated with a sealing cover.

[0013] Preferably, the drainage and oil injection assembly includes an internal threaded channel opened at the edge of the inner surface of the oil channel, an external threaded fixing ring is rotated inside the internal threaded channel, a drainage rope is fixed inside the external threaded fixing ring by screws, and the end of the drainage rope extends to the inside of the oil channel.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] By designing a fracture treatment mechanism, the fixing bolts can be rotated inside the internal threaded hole, so that the outer formwork, the inner formwork and the fracture plate are fixedly installed to form an integral structure, and the inner formwork is convenient for fixing and installing. After the vertical wall is cast and formed, the whole is pulled out, and a water retaining platform is naturally formed at the bottom of the fracture through the trapezoidal groove, which can not only meet the fracture effect but also perform water retaining function, reduce the water surrounding plate during the prefabrication and water storage maintenance of the railway simply supported box girder, and at the same time reduce the fracture sealing process of cement mortar after the box girder is erected, thereby improving the convenience of fixing and installing the fracture formwork body and the convenience of water storage and maintenance during the fracture treatment of the vertical wall. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the local structure of the fixing bolt, internal threaded hole and outer template of the utility model;

[0018] Figure 3It is a partial cross-sectional structural diagram of the drainage rope, the internal threaded hole and the outer template of the utility model;

[0019] Figure 4 It is a schematic diagram of the enlarged structure of part A in soil 3 of the utility model;

[0020] In the figure: 100, the main body of the fracture formwork; 101, the box beam formwork body; 1011, the fracture plate; 1012, the inner formwork; 1013, the outer formwork; 1014, the fixing bolt; 1015, the trapezoidal groove; 1016, the internal threaded hole; 102, the oil channel; 1021, the oil filling port; 1022, the sealing cover; 1023, the drainage rope; 1024, the internal threaded channel; 1025, the external threaded fixing ring. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figures 1 to 4 The utility model provides a technical solution: a railway simply supported box girder vertical wall fracture template, comprising a fracture template main body 100, the fracture template main body 100 comprising a box girder template body 101, a fracture processing mechanism is arranged on the fracture template main body 100, and the fracture processing mechanism comprises a fracture processing assembly arranged on the upper surface of the box girder template body 101, and fixed installation assemblies are arranged on both sides of the fracture processing assembly, when the fracture template main body 100 is used for the railway simply supported box girder vertical wall fracture processing, the fracture template main body 100 can be pulled out after the vertical wall is cast and formed by the fracture processing mechanism, and a water retaining platform is naturally formed at the bottom end of the fracture through the trapezoidal groove 1015, which can not only meet the fracture effect but also perform water retaining effect, reduce the water surrounding plate during the prefabrication and water storage maintenance of the railway simply supported box girder, and at the same time reduce the fracture using cement mortar sealing process after the box girder is erected, so as to improve the convenience of fixed installation and water storage maintenance of the fracture template main body 100 when the fracture is processed in the vertical wall forming fracture.

[0023] In order to facilitate the treatment of the fractures in the vertical wall by means of the fracture treatment component, in the present embodiment, preferably, the fracture treatment component comprises three fracture plates 1011 arranged on one side of the upper surface of the box girder formwork body 101, inner formworks 1012 and outer formworks 1013 are respectively arranged on both sides of the fracture plate 1011, a trapezoidal groove 1015 is opened at the bottom end of the fracture plate 1011, and three outer formworks 1013 are arranged side by side, and the fracture plate 1011, the inner formwork 1012 and the outer formworks 1013 form an integral part of the vertical wall after casting and forming and then pulled out, and a water retaining platform is naturally formed at the bottom end of the fracture through the trapezoidal groove 1015, which can not only meet the fracture effect but also perform water retaining function, reduce the water surrounding plate during the prefabrication and water storage maintenance of the railway simply supported box girder, and is not easy to cause leakage.

[0024] In order to facilitate the installation of the three fracture plates 1011, the inner formwork 1012 and the outer formwork 1013 to form a whole through the fixed installation component, and to make the installation of the inner formwork 1012 more convenient, in this embodiment, preferably, the fixed installation component includes an internal threaded hole 1016 opened inside the fracture plate 1011, the inner formwork 1012 and the outer formwork 1013, and a fixing bolt 1014 is rotated inside the internal threaded hole 1016, and the fracture plate 1011, the inner formwork 1012 and the outer formwork 1013 are fixed to form an integral structure, so that the fracture plate 1011, the inner formwork 1012 and the outer formwork 1013 are closed and then the fixing bolt 1014 is rotated inside the internal threaded hole 1016 to fix and install the integral structure, which is convenient for installation during vertical wall casting and convenient for processing inside the fracture.

[0025] An oil injection and lubrication mechanism includes an oil inlet and storage assembly arranged at the edge of the fixed installation assembly, and the inner surface of the oil inlet and storage assembly is provided with a drainage oil injection assembly, which can be used to inject oil and lubricate the space between the internal threaded hole 1016 and the fixing bolt 1014 when the fracture template body 100 is installed and used, which is not easy to cause rust and is convenient for disassembly and assembly, thereby improving the convenience of oil injection and lubrication of the fixing bolt 1014 and disassembly and assembly of the fracture template body 100 when in use.

[0026] In order to facilitate the injection of lubricating oil into the interior of the oil channel 102 through the oil inlet and storage assembly to drain the lubrication treatment to the surface of the fixing bolt 1014, in the present embodiment, preferably, the oil inlet and storage assembly includes an oil channel 102 opened at the inner edge of the internal threaded hole 1016, and one side of the oil channel 102 is located at an oil filling port 1021 on the side of the outer template 1013. The end of the oil filling port 1021 is threadedly rotated with a sealing cover 1022, which facilitates opening the sealing cover 1022 and injecting lubricating oil into the interior of the oil channel 102 through the oil filling port 1021, thereby facilitating the drainage and lubrication treatment, making it less likely to rust during installation and use, and convenient for disassembly and assembly.

[0027] In order to facilitate the oiling and lubrication of the fixing bolt 1014 during assembly and disassembly through the drainage and oiling assembly, facilitate the disassembly and assembly operation, and not be easy to rust, in the present embodiment, preferably, the drainage and oiling assembly includes an internal threaded channel 1024 opened at the edge of the inner surface of the oil channel 102, an external threaded fixing ring 1025 is rotated inside the internal threaded channel 1024, a drainage rope 1023 is fixed inside the external threaded fixing ring 1025 by screws, and the end of the drainage rope 1023 extends to the inside of the oil channel 102, and the drainage rope 1023 is fixedly installed by rotating the external threaded fixing ring 1025 inside the internal threaded channel 1024, and after the inside of the oil channel 102 is filled with oil, it is drained to the surface of the fixing bolt 1014 through the drainage rope 1023, which is convenient for drainage and injection of lubricating oil for lubrication and convenient disassembly and assembly.

[0028] The working principle and use process of the utility model: before using the railway simply supported box beam vertical wall fracture template, the fracture plate 1011 can be fixed on the upper surface of the box beam template body 101, and after the three fracture plates 1011 are fixedly installed side by side, the inner template 1012 is closed on the inner side of the fracture plate 1011, and the outer template 1013 is closed on the outer side of the fracture plate 1011, and the fixing bolt 1014 is rotated inside the inner threaded hole 1016, so that the outer template 1013, the inner template 1012 and the fracture plate 1011 are fixedly installed to form an integral structure , and the inner template 1012 is convenient for fixing and installing. At this time, after the fracture plate 1011, the inner template 1012 and the outer template 1013 form a whole to cast the vertical wall and pull it out, the trapezoidal groove 1015 naturally forms a water retaining platform at the bottom of the fracture, which can not only meet the fracture effect but also perform water retaining, reduce the water surrounding plate during the prefabrication and water storage maintenance of the railway simply supported box girder, and reduce the cement mortar sealing process of the fracture after the box girder is erected, so as to improve the convenience of fixing and installing the fracture template body 100 and the convenience of water storage maintenance when the fracture is processed in the vertical wall;

[0029] Finally, before the main body 100 of the fracture template is installed and used, the external thread fixing ring 1025 can be rotated and installed on the inner surface of the internal thread hole 1016 through the internal thread channel 1024 until the external thread fixing ring 1025 is rotated to the limit ring and fixedly installed, so that the end of the drainage rope 1023 extends to the inside of the oil passage 102, and the sealing cover 1022 is opened to inject lubricating oil into the inside of the oil passage 102 through the oil filling port 1021. After the inside of the oil passage 102 is filled with oil, the oil is immersed in the oil through the drainage rope 1023 and drained to the inside of the internal thread hole 1016. The surface contacts the outer surface of the fixing bolt 1014, which is convenient for oiling and lubricating the fixing bolt 1014, so that the fixing bolt 1014 is not easy to rust when it comes into contact with water after being fixed and installed, and is lubricated before installation and disassembly, so that the internal lubrication of the fixing bolt 1014 in the internal threaded hole 1016 is convenient for disassembly and assembly, and the disassembly and assembly of the fracture plate 1011, the inner template 1012 and the outer template 1013 is convenient, thereby improving the convenience of oiling and lubricating the fixing bolt 1014 and disassembly and assembly during the disassembly and assembly of the fracture template body 100 when in use.

[0030] Although the embodiments of the present invention have been shown and described (see the detailed description above for details), it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A railway simply supported box girder vertical wall fracture template, comprising a fracture template body (100), wherein the fracture template body (100) comprises a box girder template body (101), characterized in that: The fracture template body (100) is provided with: A fracture processing mechanism, wherein the fracture processing mechanism comprises a fracture processing component arranged on the upper surface of the box beam formwork body (101), and fixed installation components are arranged on both sides of the fracture processing component; The invention discloses an oil injection lubrication mechanism, and the oil injection lubrication mechanism comprises an oil inlet storage component arranged at the edge of the fixed installation component, and the inner surface of the oil inlet storage component is provided with a drainage oil injection component.

2. A railway simply supported box girder vertical wall fracture template according to claim 1, characterized in that: The fracture processing assembly comprises three fracture plates (1011) arranged on one side of the upper surface of the box beam formwork body (101), inner formworks (1012) and outer formworks (1013) are respectively arranged on both sides of the fracture plates (1011), and a trapezoidal groove (1015) is provided at the bottom end of the fracture plates (1011).

3. A railway simply supported box girder vertical wall fracture template according to claim 2, characterized in that: The three fracture plates (1011) have the same thickness, and the three outer templates (1013) are arranged side by side.

4. The railway simply supported box girder vertical wall fracture template according to claim 2, characterized in that: The fixed installation assembly comprises an internal threaded hole (1016) opened inside the fracture plate (1011), the inner template (1012) and the outer template (1013), and a fixing bolt (1014) is rotated inside the internal threaded hole (1016).

5. The railway simply supported box girder vertical wall fracture template according to claim 4, characterized in that: The inner template (1012), the outer template (1013) and the slit plate (1011) are rotationally fixed via fixing bolts (1014) and internal threaded holes (1016), and the slit plate (1011), the inner template (1012) and the outer template (1013) are fixed to form an integral structure.

6. The railway simply supported box girder vertical wall fracture template according to claim 4, characterized in that: The oil inlet storage assembly comprises an oil passage (102) opened at the inner edge of the internal threaded hole (1016), one side of the oil passage (102) is located at an oil filling port (1021) on the side of the outer template (1013), and a sealing cover (1022) is screwed on the end of the oil filling port (1021).

7. The railway simply supported box girder vertical wall fracture template according to claim 6, characterized in that: The drainage and oil injection assembly comprises an internal threaded channel (1024) opened at the edge of the inner surface of the oil channel (102), an external threaded fixing ring (1025) is rotated inside the internal threaded channel (1024), a drainage rope (1023) is fixed inside the external threaded fixing ring (1025) by screws, and the end of the drainage rope (1023) extends to the inside of the oil channel (102).