Treatment device for old bridge widening construction
By designing a combination of formwork and connecting components, the problem of inconvenient fixing of formwork during the widening of old bridges was solved, enabling rapid installation and firm fixation. This method is suitable for pouring concrete for piers of different heights and improves construction efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- THE FIFTH ENG CO LTD OF CHINA TIESIJU CIVIL ENG GRP
- Filing Date
- 2025-05-08
- Publication Date
- 2026-04-17
AI Technical Summary
The existing formwork is not convenient to fix through the old bridge piers during the widening construction of the old bridge, which makes the installation operation cumbersome, time-consuming and labor-intensive, and affects the construction efficiency.
A processing device was designed, comprising a first formwork, a second formwork, a connecting plate, a mounting block, a protrusion, a through hole, a docking groove, and a positioning block. Through the combination of these components, the formwork can be quickly spliced and fixed, and it is suitable for the casting of bridge piers of different heights.
It improved the ease of installation and the firmness of fixing of the formwork, simplified the construction process, met the pouring requirements of bridge piers of different heights, and improved construction efficiency.
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Figure CN224133582U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of old bridge widening technology, specifically relating to a treatment device for old bridge widening construction. Background Technology
[0002] Widening an existing bridge refers to expanding one or both sides of an existing bridge to increase the width of the bridge deck, thereby meeting traffic demands or improving the bridge's load-bearing capacity. This widening can be achieved by constructing a new bridge or expanding the existing bridge deck. When widening an existing bridge, it may be necessary to add new piers, which requires the use of formwork for protection during the pier pouring process.
[0003] Existing formwork is inconvenient to fix to existing bridge piers, resulting in cumbersome installation, time-consuming and labor-intensive construction, and inconvenience to users. This phenomenon has become a problem that urgently needs to be solved by those in the field. Utility Model Content
[0004] The purpose of this invention is to provide a treatment device for widening old bridges in response to existing technologies, so as to solve the problems mentioned in the background art.
[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a treatment device for widening an old bridge, comprising a first formwork and a second formwork. A first connecting plate is fixedly connected to one end of the first formwork, and a first mounting block is fixedly connected to one end of the first connecting plate. A second connecting plate is fixedly connected to one end of the second formwork, and a second mounting block is fixedly connected to one end of the second connecting plate. A first protrusion is fixedly connected to the other end of both the first and second formworks. A first through hole is formed in the inner wall of the first protrusion. A second through hole is formed in the inner walls of both the first and second connecting plates. A second protrusion is fixedly connected to one end of both the first and second mounting blocks. A third through hole is formed in the inner wall of the second protrusion. One side of the formwork is provided with a docking groove, and one side of the second formwork is fixedly connected with a docking block. The tops of both the first and second formworks are fixedly connected with positioning blocks. By setting up the first formwork, the second formwork, the first connecting plate, the first mounting block, the second connecting plate, the second mounting block, the first protrusion, the first through hole, the second through hole, the second protrusion, the third through hole, the docking groove, the docking block, and the positioning block, it is convenient to splice the first and second formworks in each group, which is conducive to rapid installation and simultaneous splicing of several groups of formworks. This facilitates pouring work at different heights, improves ease of use, and also facilitates fixing to the piers of the old bridge during pouring, thereby improving the convenience of fixing and meeting people's work needs.
[0006] Preferably, both the first and second formwork are arc-shaped and arranged in a perfect circle. Specifically, the ends of the first and second formwork are tightly fitted together, which facilitates the use of the first and second formwork for protective work during the pier pouring process.
[0007] Preferably, both the first mounting block and the second mounting block are arc-shaped and arranged in a perfect circle. Specifically, the two ends of the first mounting block and the second mounting block are tightly fitted together, which facilitates fixing the perfect circle structure formed by the first mounting block and the second mounting block to the pier of the old bridge.
[0008] Preferably, the first through holes are symmetrically distributed on the inner wall of the first protrusion, and the third through holes are symmetrically distributed on the inner wall of the second protrusion. Specifically, the first through holes on the two first protrusions are aligned with each other, and the third through holes on the two second protrusions are aligned with each other, thereby facilitating fastening by external bolts.
[0009] Preferably, four second through holes are provided, and the four second through holes are symmetrically distributed in pairs on the inner walls of the first connecting plate and the second connecting plate. Specifically, the second through holes on the first connecting plate and the second connecting plate are aligned with each other, thereby facilitating further reinforcement work by external bolts.
[0010] Preferably, the docking groove cooperates with the docking block, and the docking block engages with the first mold through the docking groove. Specifically, the docking block is distributed in an arc shape, and there are two docking blocks and two docking grooves symmetrically distributed, which facilitates the docking work of the first mold and the second mold and helps to maintain a tight connection after the first mold and the second mold are installed.
[0011] Preferably, the bottom inner wall diameter of the positioning block is consistent with the inner wall diameter of the first and second formwork, and the top inner wall diameter of the positioning block is consistent with the outer wall diameter of the first and second formwork. Specifically, a gap is provided between the two ends of the two positioning blocks, and the gap is consistent with the total thickness of the two first protrusions and the total thickness of the first connecting plate and the second connecting plate, which facilitates height expansion and is beneficial for concrete pier pouring work of different heights.
[0012] Compared with the prior art, the beneficial effects achieved by this utility model are: This utility model,
[0013] (1) By setting up a first formwork, a second formwork, a first connecting plate, a first mounting block, a second connecting plate, a second mounting block, a first protrusion, a first through hole, a second through hole, a second protrusion, a third through hole, a docking groove, a docking block, and a positioning block, it is convenient to splice the first and second formwork in each group, which is conducive to rapid installation and to splicing several groups of formwork at the same time, thereby facilitating the pouring work at different heights, improving ease of use, and also facilitating fixing to the piers of the old bridge during pouring, thereby improving the convenience of fixing and meeting people's work needs. Attached Figure Description
[0014] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:
[0015] Figure 1 This is a three-dimensional schematic diagram of the entire utility model;
[0016] Figure 2 This is an explosion illustration of the present invention. Figure 1 ;
[0017] Figure 3 This is an explosion illustration of the present invention. Figure 2 .
[0018] In the figure: 1. First formwork support; 2. Second formwork support; 3. First connecting plate; 4. First mounting block; 5. Second connecting plate; 6. Second mounting block; 7. First protrusion; 8. First through hole; 9. Second through hole; 10. Second protrusion; 11. Third through hole; 12. Connecting groove; 13. Connecting block; 14. Positioning block. Detailed Implementation
[0019] The following detailed, non-limiting description of the present invention, in conjunction with preferred embodiments and accompanying drawings, is provided. Obviously, the described embodiments are merely some, not all, of the embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.
[0020] Please see Figure 1-3This utility model provides a technical solution: a treatment device for widening an old bridge, comprising a first formwork 1 and a second formwork 2. One end of the first formwork 1 is fixedly connected to a first connecting plate 3, and one end of the first connecting plate 3 is fixedly connected to a first mounting block 4. One end of the second formwork 2 is fixedly connected to a second connecting plate 5, and one end of the second connecting plate 5 is fixedly connected to a second mounting block 6. The other ends of both the first formwork 1 and the second formwork 2 are fixedly connected to a first protrusion 7. The inner wall of the first protrusion 7 has a first through hole 8. The inner walls of both the first connecting plate 3 and the second connecting plate 5 have second through holes 9. One end of both the first mounting block 4 and the second mounting block 6 is fixedly connected to a second protrusion 10. The inner wall of the second protrusion 10 has a third through hole 11. A mating groove 12 is formed on one side of the first formwork 1. A connecting block 13 is fixedly connected to one side of formwork 2, and positioning blocks 14 are fixedly connected to the top of both the first formwork 1 and the second formwork 2. By setting up the first formwork 1, the second formwork 2, the first connecting plate 3, the first mounting block 4, the second connecting plate 5, the second mounting block 6, the first protrusion 7, the first through hole 8, the second through hole 9, the second protrusion 10, the third through hole 11, the connecting groove 12, the connecting block 13, and the positioning block 14, it is convenient to splice the first formwork 1 and the second formwork 2 in each group, which is conducive to rapid installation and simultaneous splicing of several groups of formwork, thereby facilitating the pouring of different heights, improving ease of use, and also facilitating fixing to the piers of the old bridge during pouring, thus improving the convenience of fixing and meeting people's work needs.
[0021] Preferably, both the first formwork 1 and the second formwork 2 are arc-shaped and are arranged in a perfect circle. Specifically, the two ends of the first formwork 1 and the second formwork 2 are tightly fitted together, which facilitates the use of the first formwork 1 and the second formwork 2 for protective work during the pier pouring after they are spliced together.
[0022] Preferably, both the first mounting block 4 and the second mounting block 6 are arc-shaped and arranged in a perfect circle. Specifically, the two ends of the first mounting block 4 and the second mounting block 6 are tightly fitted together, which facilitates fixing the perfect circle structure formed by the first mounting block 4 and the second mounting block 6 to the pier of the old bridge.
[0023] Preferably, the first through holes 8 are symmetrically distributed on the inner wall of the first protrusion 7, and the third through holes 11 are symmetrically distributed on the inner wall of the second protrusion 10. Specifically, the first through holes 8 on the two first protrusions 7 are aligned with each other, and the third through holes 11 on the two second protrusions 10 are aligned with each other, thereby facilitating fastening work by external bolts.
[0024] Preferably, four second through holes 9 are provided, and the four second through holes 9 are symmetrically distributed in pairs on the inner walls of the first connecting plate 3 and the second connecting plate 5. Specifically, the second through holes 9 on the first connecting plate 3 and the second connecting plate 5 are aligned with each other, which facilitates further reinforcement work by external bolts.
[0025] Preferably, the docking groove 12 cooperates with the docking block 13, and the docking block 13 engages with the first mold 1 through the docking groove 12. Specifically, the docking block 13 is distributed in an arc shape, and there are two docking blocks 13 and two docking grooves 12, which facilitates the docking of the first mold 1 and the second mold 2 and helps to maintain a tight connection after the first mold 1 and the second mold 2 are installed.
[0026] Preferably, the bottom inner wall diameter of the positioning block 14 is consistent with the inner wall diameter of the first formwork 1 and the second formwork 2, and the top inner wall diameter of the positioning block 14 is consistent with the outer wall diameter of the first formwork 1 and the second formwork 2. Specifically, a gap is provided between the two ends of the two positioning blocks 14, and the gap is consistent with the total thickness of the two first protrusions 7 and the total thickness of the first connecting plate 3 and the second connecting plate 5, which facilitates height expansion and is beneficial for concrete pier pouring work of different heights.
[0027] In use, the first mounting block 4 and the second mounting block 6 are first fitted onto the piers of the old bridge. After external bolts pass through the third through hole 11, the two second protrusions 10 are tightened, thus fixing the first mounting block 4 and the second mounting block 6 onto the piers of the old bridge. The second formwork 2 then drives the connecting block 13 to insert into the connecting groove 12, thereby splicing the first formwork 1 and the second formwork 2. Next, external bolts are inserted into the first through hole 8 to tighten the two first protrusions 7, thereby improving the tightness and firmness of the spliced first formwork 1 and the second formwork 2. Then, external bolts are inserted into the second through hole 9 to tighten the first connecting plate 3 and the second connecting plate 5, thereby further improving the firmness and tightness and ensuring the concrete pouring work of the new piers. Finally, according to the required height of the pier, another set of first formwork 1 and second formwork 2 is inserted into the two positioning blocks 14 to carry out the expansion work. This facilitates protection during the pouring of piers of different heights and effectively improves the applicability.
[0028] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0029] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.
Claims
1. A processing device for old bridge widening construction, comprising a first formwork (1) and a second formwork (2), characterized in that: One end of the first support mold (1) is fixedly connected to a first connecting plate (3), one end of the first connecting plate (3) is fixedly connected to a first mounting block (4), one end of the second support mold (2) is fixedly connected to a second connecting plate (5), one end of the second connecting plate (5) is fixedly connected to a second mounting block (6), the other ends of the first support mold (1) and the second support mold (2) are both fixedly connected to a first protrusion (7), the inner wall of the first protrusion (7) is provided with a first through hole (8), the inner walls of the first connecting plate (3) and the second connecting plate (5) are both provided with a second through hole (9), one end of the first mounting block (4) and the second mounting block (6) are both fixedly connected to a second protrusion (10), the inner wall of the second protrusion (10) is provided with a third through hole (11), one side of the first support mold (1) is provided with a docking groove (12), one side of the second support mold (2) is fixedly connected to a docking block (13), and the top of the first support mold (1) and the second support mold (2) are both fixedly connected to a positioning block (14).
2. The treatment device for old bridge widening construction according to claim 1, characterized in that: The first mold (1) and the second mold (2) are both arc-shaped and are arranged in a perfect circle.
3. The treatment device for old bridge widening construction according to claim 1, characterized in that: The first mounting block (4) and the second mounting block (6) are both arc-shaped and are arranged in a perfect circle.
4. The treatment device for old bridge widening construction according to claim 1, characterized in that: The first through hole (8) is symmetrically distributed on the inner wall of the first protrusion (7), and the third through hole (11) is symmetrically distributed on the inner wall of the second protrusion (10).
5. The treatment device for old bridge widening construction according to claim 1, characterized in that: The second through hole (9) is provided in four parts, and the four second through holes (9) are symmetrically distributed in pairs on the inner walls of the first connecting plate (3) and the second connecting plate (5).
6. The treatment device for old bridge widening construction according to claim 1, characterized in that: The docking groove (12) cooperates with the docking block (13), and the docking block (13) engages with the first support mold (1) through the docking groove (12).
7. The treatment device for old bridge widening construction according to claim 1, characterized in that: The bottom inner wall diameter of the positioning block (14) is consistent with the inner wall diameter of the first mold (1) and the second mold (2), and the top inner wall diameter of the positioning block (14) is consistent with the outer wall diameter of the first mold (1) and the second mold (2).