A prefabricated assembled bridge

Abstract

The present invention discloses a prefabricated assembled bridge, which relates to the technical field of bridges. The bridge comprises a first side column and a second side column, wherein a first mounting block is provided on the first side column, a first prefabricated bridge section is provided on the first mounting block, a second side column is provided on the second mounting block, a second prefabricated bridge section is provided on the second mounting block, a plurality of middle columns are provided between the first and second side columns, a third mounting block is provided on the middle column, a plurality of third prefabricated bridge sections are provided between the first and second prefabricated bridge sections, and a top portion of the third mounting block contacts the ends of two third prefabricated bridge sections or one third prefabricated bridge section, one first prefabricated bridge section, one third prefabricated bridge section, and one second prefabricated bridge section. The present invention has the beneficial effect of enhancing the convenience and stability of the connection between the bridge section and the column through the cooperation of the groove and the connecting rod.

Description

Technical Field

[0001] The present invention mainly relates to the technical field of bridges, and in particular to a prefabricated assembled bridge. Background Art

[0002] In the field of bridge construction, prefabricated and assembled bridges can effectively increase the speed of large-scale prefabrication and on-site construction, ensure the quality of structural components, and improve structural durability.

[0003] In the search of related topics, patent CN 202220300696.X discloses a prefabricated assembled bridge, including prefabricated bridge sections, central columns and side columns. By arranging support seats, plug rods, connectors, placement grooves, sockets, screws and nuts between two adjacent prefabricated bridge sections, the support seats can provide stable support between the two adjacent prefabricated bridge sections. At the same time, the two adjacent prefabricated bridge sections can be tightened by the plug rods, and the two relative plug rods can be fixed by the connectors, so that the two adjacent prefabricated bridge sections can be firmly installed, and the operating procedures are fewer, thereby improving the installation efficiency.

[0004] However, the bridge sections and columns in the above-mentioned bridges are mainly fixed by screws and nuts. The construction of bridges generally uses reinforced concrete materials. The installation of screws and nuts requires a lot of manpower and material resources. Once the installation collapses or other damage occurs, it will affect the stability of the bridge connection. Summary of the Invention

[0005] In order to address the deficiencies of the prior art, the present invention provides a prefabricated assembled bridge, which enhances the convenience and stability of the connection between the bridge sections and the columns through the cooperation of grooves and connecting rods.

[0006] To achieve the above-mentioned purpose, the present invention is implemented through the following technical solutions:

[0007] A prefabricated assembled bridge comprises a first side column and a second side column, wherein a first mounting block is provided on the first side column, a first prefabricated bridge section is provided on the first mounting block, a second mounting block is provided on the second side column, a second prefabricated bridge section is provided on the second mounting block, a plurality of middle columns are provided between the first side column and the second side column, a third mounting block is provided on the middle column, a plurality of third prefabricated bridge sections are provided between the first prefabricated bridge section and the second prefabricated bridge section, and a top portion of the third mounting block contacts ends of two third prefabricated bridge sections, one third prefabricated bridge section, one first prefabricated bridge section, or one third prefabricated bridge section and one second prefabricated bridge section;

[0008] The sides of the first prefabricated bridge section, the second prefabricated bridge section, and the third prefabricated bridge section are each provided with two grooves, and the grooves are all located at the positions of the first mounting block, the second mounting block, and the third mounting block;

[0009] A threaded hole is provided on the side of the mounting block, and a connecting rod is provided in the threaded hole. The connecting rod is threadedly connected to the threaded hole. One end of the connecting rod is located in the groove, and a sliding rod is provided at the end of the connecting rod away from the groove. The sliding rod and the connecting rod are slidably connected. An adjusting block is provided at the end of the sliding rod. When the adjusting block rotates, it can drive the sliding rod and the connecting rod to rotate. An adjusting spring is sleeved on the sliding rod, and both ends of the adjusting spring are fixedly connected to the adjusting block and the connecting rod respectively.

[0010] The top surfaces of the first mounting block, the second mounting block and the third mounting block are all provided with mounting pits, and the bottoms of the first prefabricated bridge section, the second prefabricated bridge section and the third prefabricated bridge section are all provided with mounting protrusions, and the mounting protrusions are located in the mounting pits. The first mounting block, the second mounting block and the third mounting block are fixed to the first prefabricated bridge section, the second prefabricated bridge section and the third prefabricated bridge section through the mounting pits and the mounting protrusions.

[0011] A buffer portion is provided in the installation pit.

[0012] The sliding rod is provided with a sliding protrusion, and the connecting rod is provided with a sliding groove. The sliding rod is slidably connected to the connecting rod through the sliding protrusion and the sliding groove.

[0013] There are multiple sliding protrusions and sliding grooves.

[0014] The sliding groove is communicated with the end of the connecting rod. When the sliding rod slides out of the connecting rod, a protective rod is provided on the connecting rod, and the protective rod is L-shaped.

[0015] A prefabricated frame is provided on the third mounting block. There are two prefabricated frames on the third mounting block. The two prefabricated frames are respectively fixed on the corresponding first prefabricated bridge section, the second prefabricated bridge section and the third prefabricated bridge section and are opposite to each other. A plurality of through holes are provided on the bottom of the prefabricated frame.

[0016] A support rod is provided on the center column, a support block is provided at one end of the support rod away from the center column, and a fixing bolt is provided on the support block.

[0017] Compared with the prior art, the beneficial effects of the present invention are:

[0018] The present invention cooperates with the groove on the prefabricated bridge section and the connecting rod of the mounting block on the column. After the corresponding prefabricated bridge section is placed in the mounting block, the connecting rod is allowed to enter the groove by rotating the adjusting block, and then concrete is poured at the position of the groove to firmly install the bridge section and the column. During the pouring and installation process, under the action of the sliding rod and the adjusting spring, a buffering and protective effect is played on the side of the mounting block and the bridge section. Compared with the screw-nut structure, the damage to the bridge section and the column is reduced, and the convenience and stability of the connection between the bridge section and the column are enhanced. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Attachment Figure 1 This is a schematic diagram of the main view structure of Example 1 of the present invention;

[0020] Attachment Figure 2 This is a schematic diagram of the front view connection structure of the first prefabricated bridge section and the third prefabricated bridge section in Example 2 of the present invention;

[0021] Attachment Figure 3 It is attached Figure 2 Schematic diagram of the right view structure;

[0022] Attachment Figure 4 This is a schematic diagram of the left side structural view of the first side column of Example 1 of the present invention;

[0023] Attachment Figure 5 It is attached Figure 4 Schematic diagram of the internal structure of the middle connecting rod;

[0024] Attachment Figure 6 This is a schematic diagram of the internal structure of the connecting rod in Example 3 of the present invention;

[0025] Attachment Figure 7 It is an enlarged view of Part I of the present invention.

[0026] The numbers shown in the accompanying drawings are: 1. first side column; 2. second side column; 3. first mounting block; 4. first prefabricated bridge section; 5. second mounting block; 6. second prefabricated bridge section; 7. center column; 8. third mounting block; 9. third prefabricated bridge section; 10. groove; 11. threaded hole; 12. connecting rod; 13. sliding rod; 14. adjusting block; 15. adjusting spring; 16. mounting pit; 17. mounting protrusion; 18. buffer part; 19. sliding protrusion; 20. slide groove; 21. protective rod; 22. prefabricated frame; 23. through hole; 24. support rod; 25. support block; 26. fixing bolt. DETAILED DESCRIPTION

[0027] The present invention will be further described with reference to the accompanying drawings and specific embodiments. It should be understood that these embodiments are intended only to illustrate the present invention and are not intended to limit the scope of the present invention. In addition, it should be understood that after reading the contents of the present invention, those skilled in the art may make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the present application.

[0028] The standard parts used in this application can all be purchased from the market, and special-shaped parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional means such as bolts, rivets, welding, etc. that are mature in the existing technology.

[0029] At the same time, in order to clearly express the connection relationship and working principle between the various components and highlight the key points, the drawings in the specification are organized and drawn in the form of simple diagrams. One simple diagram can correspond to a variety of materials and actual external structural shapes.

[0030] As shown in the accompanying drawings, a prefabricated assembled bridge comprises a first side column 1 and a second side column 2, wherein a first mounting block 3 is provided on the first side column 1, a first prefabricated bridge section 4 is provided on the first mounting block 3, a second side column 2 is provided with a second mounting block 5, a second prefabricated bridge section 6 is provided on the second mounting block 5, a plurality of middle columns 7 are provided between the first side column 1 and the second side column 2, a third mounting block 8 is provided on the middle column 7, and a plurality of third prefabricated bridge sections 9 are provided between the first prefabricated bridge section 4 and the second prefabricated bridge section 6, as shown in the accompanying drawings. Figure 1 As shown, in actual use, the first prefabricated bridge section and the second prefabricated bridge section will be provided with many third prefabricated bridge sections according to the length of the bridge. Figure 1 Only one third prefabricated bridge segment is shown to illustrate the components and their functions. The top of the third mounting block 8 contacts the ends of two third prefabricated bridge segments 9, or one third prefabricated bridge segment 9, one first prefabricated bridge segment 4, or one third prefabricated bridge segment 9, and one second prefabricated bridge segment 6.

[0031] The sides of the first prefabricated bridge section 4, the second prefabricated bridge section 6, and the third prefabricated bridge section 9 are each provided with two grooves 10, and the grooves 10 are all located at the positions of the first mounting block 3, the second mounting block 5, and the third mounting block 8;

[0032] A threaded hole 11 is provided on the side of the mounting block, and a connecting rod 12 is provided in the threaded hole 11. The connecting rod 12 is threadedly connected to the threaded hole 11. One end of the connecting rod 12 is located in the groove 10. A sliding rod 13 is provided at the end of the connecting rod 12 away from the groove 10. The sliding rod 13 is slidably connected to the connecting rod 12. An adjustment block 14 is provided at the end of the sliding rod 13. When the adjustment block 14 rotates, it can drive the sliding rod 13 and the connecting rod 12 to rotate. An adjustment spring 15 is sleeved on the sliding rod 13. The two ends of the adjustment spring 15 are fixedly connected to the adjustment block 14 and the connecting rod 12 respectively. As shown in the attached figure Figure 4 and attached Figure 5 As shown, when the adjustment block rotates, it drives the slide bar, which in turn drives the connecting bar. After the precast bridge section is placed into the mounting block, the adjustment block can be rotated manually or by machine, screwing the connecting bar into the groove. Once screwed in, the adjustment block, under the action of the adjustment spring, protects the mounting block and the side of the precast bridge section. If an object or equipment from the side touches the adjustment block, the slide bar slides, cushioning the impact.

[0033] Furthermore, the top surfaces of the first, second, and third mounting blocks are each provided with mounting pits 16, and the bottoms of the first, second, and third prefabricated bridge sections 4, 6, and 9 are each provided with mounting protrusions 17, which are located within the mounting pits 16. The first, second, and third mounting blocks are fixed to the first, second, and third prefabricated bridge sections 4, 6, and 9 via the mounting pits 16 and the mounting protrusions 17. The provision of the mounting pits and the mounting protrusions further improves the stability of the prefabricated bridge sections on the mounting blocks.

[0034] As an optimization, a buffer portion 18 is provided in the mounting pit 16. The provision of the buffer portion reduces the friction and collision between the mounting pit and the mounting protrusion, further enhancing the stability of the supporting connection.

[0035] As an optimization, a sliding protrusion 19 is provided on the sliding rod 13, and a sliding groove 20 is provided in the connecting rod 12. The sliding rod is slidably connected to the connecting rod 12 through the sliding protrusion 19 and the sliding groove 20. The sliding protrusion can drive the rotation between the sliding rod and the connecting rod, and can also realize the sliding transmission between the sliding rod and the connecting rod, with a simple structure and flexible performance.

[0036] As an optimization, there are multiple sliding protrusions 19 and multiple sliding grooves 20, which enhances the stability of the sliding rod and the rotation of the connecting rod.

[0037] As an optimization, the slide groove 20 is connected to the end of the connecting rod 12. When the slide rod 13 slides out of the connecting rod 12, a protective rod 21 is provided on the connecting rod 12. The protective rod 21 is L-shaped. It is easy to remove the slide rod and install the protective rod, further enhancing the convenience and flexibility of bridge prefabrication.

[0038] Furthermore, a prefabricated frame 22 is provided on the third mounting block 8. There are two prefabricated frames 22 on the third mounting block 8. The two prefabricated frames 22 are respectively fixed on the corresponding first prefabricated bridge section 4, the second prefabricated bridge section 6 and the third prefabricated bridge section 9 and are opposite to each other. A plurality of through holes 23 are provided at the bottom of the prefabricated frame.

[0039] Furthermore, a support rod 24 is provided on the center column 7, and a support block 25 is provided at one end of the support rod 24 away from the center column 7, and a fixing bolt 26 is provided on the support block 25. The support rod serves as an auxiliary rod to assist in supporting the center column and the prefabricated bridge section, further enhancing the stability of the bridge.

[0040] Example 1:

[0041] In this embodiment, the first side column, the second side column and the third side column are placed first. After placement, the first prefabricated bridge section, the second prefabricated bridge section and the third prefabricated bridge section are placed accordingly. After placement, the connecting rod is screwed into the threaded hole through the adjustment block and then screwed into the groove. After screwing in, concrete raw materials are poured into the groove to fix the connecting rod and the prefabricated bridge section.

[0042] Example 2:

[0043] In this embodiment, based on Example 1, a prefabricated frame is provided between the joints of the prefabricated bridge sections. After placement, concrete raw materials are poured into the prefabricated frame. The raw materials can flow into the mounting blocks through the through holes, thereby making the connections between the prefabricated bridge sections and between the prefabricated bridge sections and the mounting blocks more secure.

[0044] Example 3:

[0045] In this embodiment, on the foundation wall of embodiment 1, after the connecting rod and the prefabricated bridge section are cast and fixed, the adjusting spring and the connecting rod connecting section are cut or twisted off, as shown in the attached figure. Figure 5 and attached Figure 6 As shown, after the sliding rod slides out, the L-shaped guardrail is inserted into the connecting rod, and concrete raw materials are poured to fix the guardrail.

Claims

1. A prefabricated assembled bridge, comprising a first side column and a second side column, characterized in that: A first mounting block is provided on the first side column, a first prefabricated bridge section is provided on the first mounting block, a second mounting block is provided on the second side column, a second prefabricated bridge section is provided on the second mounting block, a plurality of middle columns are provided between the first side column and the second side column, a third mounting block is provided on the middle column, a plurality of third prefabricated bridge sections are provided between the first prefabricated bridge section and the second prefabricated bridge section, and a top portion of the third mounting block contacts ends of two third prefabricated bridge sections or one third prefabricated bridge section, one first prefabricated bridge section, one third prefabricated bridge section, and one second prefabricated bridge section; The sides of the first prefabricated bridge section, the second prefabricated bridge section, and the third prefabricated bridge section are each provided with two grooves, and the grooves are all located at the positions of the first mounting block, the second mounting block, and the third mounting block; The sides of the first mounting block, the second mounting block and the third mounting block are all provided with threaded holes, and a connecting rod is provided in the threaded hole, and the connecting rod is threadedly connected to the threaded hole, one end of the connecting rod is located in the groove, and a sliding rod is provided at the end of the connecting rod away from the groove, and the sliding rod and the connecting rod are slidably connected, and an adjusting block is provided at the end of the sliding rod. When the adjusting block rotates, it can drive the sliding rod and the connecting rod to rotate, and an adjusting spring is sleeved on the sliding rod, and the two ends of the adjusting spring are fixedly connected to the adjusting block and the connecting rod respectively; The sliding rod is provided with a sliding protrusion, and the connecting rod is provided with a sliding groove, and the sliding rod is slidably connected to the connecting rod through the sliding protrusion and the sliding groove; The sliding groove is communicated with the end of the connecting rod. When the sliding rod slides out of the connecting rod, a protective rod is provided on the connecting rod, and the protective rod is L-shaped.

2. The prefabricated and assembled bridge according to claim 1, characterized in that: The top surfaces of the first mounting block, the second mounting block and the third mounting block are all provided with mounting pits, and the bottoms of the first prefabricated bridge section, the second prefabricated bridge section and the third prefabricated bridge section are all provided with mounting protrusions, and the mounting protrusions are located in the mounting pits. The first mounting block, the second mounting block and the third mounting block are fixed to the first prefabricated bridge section, the second prefabricated bridge section and the third prefabricated bridge section through the mounting pits and the mounting protrusions.

3. The prefabricated and assembled bridge according to claim 2, characterized in that: A buffer portion is provided in the installation pit.

4. The prefabricated and assembled bridge according to claim 1, characterized in that: There are multiple sliding protrusions and sliding grooves.

5. The prefabricated and assembled bridge according to claim 1, characterized in that: A prefabricated frame is provided on the third mounting block. There are two prefabricated frames on the third mounting block. The two prefabricated frames are respectively fixed on the corresponding first prefabricated bridge section, the second prefabricated bridge section and the third prefabricated bridge section and are opposite to each other. A plurality of through holes are provided on the bottom of the prefabricated frame.

6. The prefabricated and assembled bridge according to claim 1, characterized in that: A support rod is provided on the center column, a support block is provided at one end of the support rod away from the center column, and a fixing bolt is provided on the support block.

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