Sealing installation structure for bridge water drain pipe
By setting up galvanized steel pipes on the bridge and filling concrete, the problem of the gap between the reserved holes between the drain pipes and the bridge cannot be filled, the sealing effect of the bridge and the waterproofing effect of the structure are achieved, and pollution and erosion are avoided.
Patent Information
- Application Number
- CN202420909669.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-28
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2034-04-28
AI Technical Summary
In the prior art, the gap between the drain pipe and the reserved hole of the bridge cannot be effectively filled or filled unevenly, resulting in the appearance of the bridge and the structure of the bridge being easily eroded by rainwater.
Ensure a compact filling of the gap by installing galvanized steel pipes on the bridge and filling concrete between the galvanized steel pipes and the reserved holes. At the same time, the PVC pipe sleeve is located at the lower end of the galvanized steel pipe to achieve drainage.
The uniform and dense filling of the gap between the drain pipe and the reserved hole of the bridge is achieved, which avoids bridge pollution and structural erosion, and improves the appearance quality and structural life of the bridge.
Smart Images
Figure CN222499970U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of bridge drainage pipe installation and construction, in particular to a sealing installation structure for bridge drainage pipes. Background Art
[0002] In recent years, the construction of highways and urban viaducts has developed very rapidly. As an important facility for bridge deck drainage, the conventional drain pipe cannot effectively control the gap between the drain pipe and the reserved hole of the bridge, resulting in the gap between the drain pipe and the reserved hole of the bridge being unable to be filled or unevenly filled. As a result, during the operation of the bridge, the water in the bridge deck grid well flows down along the wall of the reserved hole of the drain pipe, polluting the appearance quality of the bridge. The drain hole disease of the bridge project has also become an important quality problem in its project, which not only affects the structure of the bridge, but also affects the appearance of the bridge. Utility Model Content
[0003] The utility model aims to provide a sealing installation structure for a bridge drainage pipe, so as to solve the problems in the prior art that the gap between the drainage pipe and the reserved hole of the bridge cannot be filled or is filled unevenly and densely, the appearance of the bridge is easily polluted, and the bridge structure is easily eroded by rainwater.
[0004] The embodiment of the utility model is achieved as follows:
[0005] The utility model embodiment provides a sealing installation structure for a bridge drainage pipe, which includes a bridge;
[0006] The bridge is provided with an inwardly concave grille well, and a reserved hole is provided on the bottom surface of the grille well, and the reserved hole runs through the bridge;
[0007] A galvanized steel pipe is arranged inside the reserved hole, the diameter of the galvanized steel pipe is smaller than the inner diameter of the reserved hole, and concrete is arranged in the gap between the galvanized steel pipe and the reserved hole;
[0008] One end of the galvanized steel pipe away from the grille well is away from the bottom surface of the beam of the bridge;
[0009] A PVC pipe is provided at the bottom of the bridge. The PVC pipe is sleeved on the galvanized steel pipe and adhered to the bottom surface of the beam of the bridge.
[0010] During installation, the grille well is installed on the top of the bridge, a reserved hole is opened at the bottom of the grille well, the reserved hole passes through the bridge, the galvanized steel pipe is placed in the reserved hole, and then, the concrete is poured in the gap between the galvanized steel pipe and the reserved hole. After the concrete is initially solidified, the galvanized steel pipe is sealed and connected with the grille well, and finally the PVC pipe sleeve is installed at the lower end of the galvanized steel pipe to achieve drainage.
[0011] The sealing and installation structure for bridge drain pipes disclosed in this embodiment fills the gap between the galvanized steel pipe and the reserved hole tightly with the concrete, so that rainwater in the grille well can only be discharged along the galvanized steel pipe, thereby avoiding pollution of the bridge. The sealing and installation structure for bridge drain pipes has the beneficial effects of good sealing effect, uniform and dense filling, and bridges are not easily polluted and eroded.
[0012] Optionally: the top of the reserved hole and the top of the galvanized steel pipe are welded and fixed to each other.
[0013] With such arrangement, when the top of the galvanized steel pipe is welded to the top of the reserved hole, rainwater is effectively prevented from penetrating into the gap between the galvanized steel pipe and the reserved hole, thereby avoiding pollution to the appearance quality of the bridge.
[0014] Optionally: the length between the end of the galvanized steel pipe away from the grille well and the bottom surface of the beam of the bridge is 10 cm.
[0015] Such an arrangement is conducive to the mutual welding of the grille well and the galvanized steel pipe, thereby preventing water seepage in the grille well.
[0016] Optionally: a filter is provided at the inner bottom of the grille well, and the filter is attached to the inner bottom of the grille well and the top of the galvanized steel pipe.
[0017] With such arrangement, the filter screen can further filter the garbage inside the grille well, effectively preventing the galvanized steel pipe and the PVC pipe from being blocked.
[0018] Optionally: a grille is provided at the opening of the grille well, and the grille is detachably adapted to be fitted at the opening of the grille well.
[0019] With such arrangement, the grille can initially filter rainwater and prevent larger garbage from entering the grille well.
[0020] Optionally: a clamping ring is further provided at the bottom of the bridge, and the clamping ring is buckled on the PVC pipe and fixedly connected to the bottom surface of the beam of the bridge.
[0021] With such arrangement, the clamping ring is convenient for fixing the PVC pipe, and effectively prevents the PVC pipe from falling off and water seepage.
[0022] Optionally: a detachable hanging mold is provided inside the galvanized steel pipe, the hanging mold has a hanging rod, one end of the hanging rod extends to the top of the grille, and the other end of the hanging rod extends to the bottom of the bridge;
[0023] One end of the suspension rod is provided with a cross bar and a nut, the cross bar is sleeved on the suspension rod, the cross bar is erected on the top concrete beam surface of the grid, the suspension rod has an external thread, the nut is threadedly connected to the suspension rod and fits on the cross bar;
[0024] A steel plate is provided at the other end of the suspension rod, a through hole is opened on the steel plate, the aperture of the through hole is adapted to the diameter of the galvanized steel pipe, and the other end of the suspension rod is fixedly connected to the steel plate.
[0025] In this way, the steel plate is supported on the bottom end of the reserved hole, and the hanger is limited on the top concrete beam surface of the grille by the nut and the cross bar, so that the steel plate connected to the hanger is close to the bottom end of the reserved hole, which facilitates the pouring of the concrete in the gap between the galvanized steel pipe and the reserved hole, thereby achieving the fixation of the galvanized steel pipe.
[0026] Optionally: a plurality of steel bars are provided at the lower part of the steel plate, the plurality of steel bars are fixedly connected to each other and to the bottom surface of the steel plate, and the other end of the suspension rod is fixedly connected to the plurality of steel bars.
[0027] With such arrangement, the arrangement of the plurality of the above-mentioned steel bars facilitates the connection between the above-mentioned hanger and the above-mentioned steel plate, and at the same time helps to support the above-mentioned galvanized steel pipe, thereby preventing the above-mentioned galvanized steel pipe from shifting during the pouring of the above-mentioned concrete.
[0028] Optionally: a plurality of grouting holes are opened at the bottom of the grille well, and the plurality of grouting holes pass through the gap between the galvanized steel pipe and the reserved holes.
[0029] With such arrangement, a plurality of the grouting holes can fill the gap between the galvanized steel pipe and the reserved hole tightly, a portion of the grouting holes is used for grouting, and another portion of the grouting holes is used for checking the density of grouting.
[0030] Optionally: the reserved hole passes through along the gravity direction of the bridge.
[0031] With such arrangement, the above-mentioned reserved holes can cause less damage to the structure of the above-mentioned bridge, thereby effectively extending the service life of the bridge.
[0032] In summary of the above description, the sealing and installation structure for a bridge drain pipe disclosed by the utility model has the beneficial effects of good sealing effect, uniform and dense filling, and the bridge is not easy to be polluted and eroded. BRIEF DESCRIPTION OF THE DRAWINGS
[0033] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.
[0034] Figure 1 This is a structural schematic diagram of a sealing installation structure for a bridge drain pipe in an embodiment of the utility model;
[0035] Figure 2 This is a schematic diagram of the structure of the hanging mold in the embodiment of the utility model;
[0036] Figure 3 It is a plan view of a galvanized steel pipe and a reserved hole in an embodiment of the utility model.
[0037] Icons: 1-bridge, 2-grating well, 3-reserved hole, 4-galvanized steel pipe, 5-concrete, 6-PVC pipe, 7-filter, 8-grating, 9-clamping ring, 10-hanging formwork, 11-hanging rod, 12-cross bar, 13-nut, 14-steel plate, 15-rebar, 16-grouting hole. DETAILED DESCRIPTION
[0038] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.
[0039] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0040] Example
[0041] See also Figure 1 , Figure 2 and Figure 3 , this embodiment provides a sealing installation structure for a bridge drainage pipe, including a bridge 1;
[0042] A concave grille well 2 is provided on the bridge 1, and a reserved hole 3 is provided on the bottom surface of the grille well 2, and the reserved hole 3 passes through the bridge 1;
[0043] A galvanized steel pipe 4 is provided inside the reserved hole 3, the diameter of the galvanized steel pipe 4 is smaller than the inner diameter of the reserved hole 3, and there is concrete 5 in the gap between the galvanized steel pipe 4 and the reserved hole 3;
[0044] One end of the galvanized steel pipe 4 away from the grille well 2 is away from the bottom surface of the beam of the bridge 1;
[0045] A PVC pipe 6 is provided at the bottom of the bridge 1 . The PVC pipe 6 is sleeved on the galvanized steel pipe 4 and adheres to the bottom surface of the beam of the bridge 1 .
[0046] During installation, a grille well 2 is installed on the top of the bridge 1, and a reserved hole 3 is opened at the bottom of the grille well 2. The reserved hole 3 passes through the bridge 1, and the galvanized steel pipe 4 is placed in the reserved hole 3. Then, concrete 5 is poured in the gap between the galvanized steel pipe 4 and the reserved hole 3. After the concrete 5 is initially solidified, the galvanized steel pipe 4 and the grille well 2 are sealed and connected. Finally, the PVC pipe 6 is installed on the lower end of the galvanized steel pipe 4 to achieve drainage.
[0047] The sealing and installation structure for a bridge drainage pipe disclosed in this embodiment fills the gap between the galvanized steel pipe 4 and the reserved hole 3 with concrete 5, so that rainwater in the grille well 2 can only be discharged along the galvanized steel pipe 4, avoiding pollution of the bridge 1. As a result, the sealing and installation structure for a bridge drainage pipe has the beneficial effects of good sealing effect, uniform and dense filling, and not easy to pollute the bridge 1 and not easy to erode the bridge 1.
[0048] See also Figure 1 , Figure 2 and Figure 3 The top of the reserved hole 3 and the top of the galvanized steel pipe 4 are welded and fixed to each other. When the top of the galvanized steel pipe 4 and the top of the reserved hole 3 are welded as a whole, rainwater is effectively prevented from penetrating into the gap between the galvanized steel pipe 4 and the reserved hole 3, thereby avoiding pollution to the appearance quality of the bridge 1.
[0049] The length between the end of the galvanized steel pipe 4 away from the grille well 2 and the bottom surface of the beam of the bridge 1 is 10 cm, which is conducive to welding the grille well 2 and the galvanized steel pipe 4 to each other and prevents water seepage from the grille well 2.
[0050] See also Figure 1 , Figure 2 and Figure 3 A filter screen 7 is provided at the inner bottom of the grille well 2, and the filter screen 7 is attached to the inner bottom of the grille well 2 and the top of the galvanized steel pipe 4. The filter screen 7 can further filter the garbage inside the grille well 2, effectively avoiding the blockage of the galvanized steel pipe 4 and the PVC pipe 6.
[0051] A grille 8 is provided at the opening of the grille well 2 , and the grille 8 is detachably fitted at the opening of the grille well 2 . The grille 8 can initially filter rainwater to prevent larger garbage from entering the grille well 2 .
[0052] A clamping ring 9 is also provided at the bottom of the bridge 1. The clamping ring 9 is buckled on the PVC pipe 6 and fixedly connected to the bottom surface of the beam of the bridge 1. The clamping ring 9 is convenient for fixing the PVC pipe 6 and effectively prevents the PVC pipe 6 from falling off and water seepage.
[0053] See also Figure 1 , Figure 2 and Figure 3 A detachable hanging mold 10 is provided inside the galvanized steel pipe 4, and the hanging mold 10 has a hanging rod 11, one end of the hanging rod 11 extends to the top of the grille 8, and the other end of the hanging rod 11 extends to the bottom of the bridge 1;
[0054] One end of the suspension rod 11 is provided with a cross bar 12 and a nut 13, the cross bar 12 is sleeved on the suspension rod 11, the cross bar 12 is erected on the top concrete beam surface of the grid 8, the suspension rod 11 has an external thread, and the nut 13 is threadedly connected to the suspension rod 11 and fits on the cross bar 12;
[0055] A steel plate 14 is provided at the other end of the hanger 11, and a through hole (not shown in the figure) is opened on the steel plate 14. The aperture of the through hole is adapted to the diameter of the galvanized steel pipe 4. The other end of the hanger 11 is fixedly connected to the steel plate 14, and is supported on the bottom end of the reserved hole 3 through the steel plate 14. The hanger 11 is limited on the top concrete beam surface of the grille by the nut 13 and the cross bar 12, so that the steel plate 14 connected to the hanger 11 is close to the bottom end of the reserved hole 3, which facilitates the pouring of concrete 5 in the gap between the galvanized steel pipe 4 and the reserved hole 3, thereby achieving the fixation of the galvanized steel pipe 4.
[0056] See also Figure 1 , Figure 2 and Figure 3 A number of steel bars 15 are provided at the lower part of the steel plate 14, and the number of steel bars 15 are fixedly connected to each other and to the bottom surface of the steel plate 14. The other end of the hanger 11 is fixedly connected to the number of steel bars 15. The provision of the number of steel bars 15 facilitates the connection between the hanger 11 and the steel plate 14, and at the same time helps to support the galvanized steel pipe 4, thereby preventing the galvanized steel pipe 4 from shifting during the pouring of concrete 5.
[0057] A plurality of grouting holes 16 are provided at the bottom of the grille well 2, and the plurality of grouting holes 16 penetrate the gap between the galvanized steel pipe 4 and the reserved hole 3. The plurality of grouting holes 16 can fill the gap between the galvanized steel pipe 4 and the reserved hole 3 densely. A portion of the grouting holes 16 is used for grouting, and another portion of the grouting holes 16 is used for checking the density of the grouting.
[0058] The reserved holes 3 are passed through along the gravity direction of the bridge 1 . The reserved holes 3 arranged in this way can cause less damage to the structure of the bridge 1 , thereby effectively extending the service life of the bridge 1 .
[0059] See also Figure 1 , Figure 2 and Figure 3 In this embodiment, the diameter of the galvanized steel pipe 4 is DN125, and the diameter of the reserved hole 3 is greater than or equal to the DN125 galvanized steel pipe 4, in order to weld the grille well 2 to the galvanized steel pipe 4 and prevent water seepage from the grille well 2.
[0060] In this embodiment, the DN125 galvanized steel pipe 4 extends 10 cm from the bottom of the beam of the bridge 1 and extends into the φ200 PVC pipe 6. The PVC pipe 6 fits the bottom of the beam to prevent water from seeping out.
[0061] See also Figure 1 , Figure 2 and Figure 3 In this embodiment, a specific installation step for the sealing installation structure of the drain pipe of the bridge 1 is as follows:
[0062] Step 1: First, preset a reserved hole 3 according to the drainage position, install the finished grille well 2 on the reserved hole 3, weld the galvanized steel pipe 4 to the grille well 2 firmly, and extend the galvanized steel pipe 4 out of the bottom of the beam by 10 cm;
[0063] Step 2: Make a hanging formwork 10 according to the thickness of the bridge 1 and the grille well 2. The hanging formwork 10 is made by drilling a hole on the steel plate 14. The hole is consistent with the outer diameter of the galvanized steel pipe 4. The hanging rod 11 is welded to the steel bar 15 and the steel plate 14 as a whole. When in use, the hanging rod 11 is extended from the bottom of the beam to the top of the beam and passed through the crossbar 12, and then tightened with a nut;
[0064] Step 3: After the hanging formwork 10 is installed, concrete 5 is poured into the gap between the galvanized steel pipe 4 and the reserved hole 3 and compacted;
[0065] Step 4, after the concrete 5 is poured, the removable hanging formwork 10 is removed, and the φ200mm PVC pipe 6 is installed on the end of the galvanized steel pipe 4 extending 10 cm from the bottom of the beam. The pipe mouth of the φ200mm PVC pipe 6 fits the bottom of the beam, and the φ200mm PVC pipe 6 is fixed to the bottom of the beam using a clamp 9.
[0066] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A sealing installation structure for a bridge drain pipe, characterized in that: including bridges; The bridge is provided with a concave grille well, the bottom surface of the grille well is provided with a reserved hole, and the reserved hole runs through the bridge; A galvanized steel pipe is provided inside the reserved hole, the diameter of the galvanized steel pipe is smaller than the inner diameter of the reserved hole, and concrete is provided in the gap between the galvanized steel pipe and the reserved hole; One end of the galvanized steel pipe away from the grille well is away from the bottom surface of the bridge beam; A PVC pipe is provided at the bottom of the bridge. The PVC pipe is sleeved on the galvanized steel pipe and adheres to the bottom surface of the beam of the bridge.
2. A sealing and mounting structure for a bridge drain pipe according to claim 1, characterized in that: The top of the reserved hole and the top of the galvanized steel pipe are welded and fixed to each other.
3. A sealing and mounting structure for a bridge drain pipe according to claim 1, characterized in that: The length between one end of the galvanized steel pipe away from the grille well and the bottom surface of the bridge beam is 10 cm.
4. A sealing and mounting structure for a bridge drain pipe according to claim 1, characterized in that: The inner bottom of the grille well is provided with a filter screen, and the filter screen is attached to the inner bottom of the grille well and the top end of the galvanized steel pipe.
5. The sealing and installation structure for a bridge drain pipe according to claim 1, characterized in that: A grille is provided at the opening of the grille well, and the grille is detachably adapted to the opening of the grille well.
6. The sealing and mounting structure for a bridge drain pipe according to claim 1, characterized in that: The bottom of the bridge is also provided with a clamping ring, which is buckled on the PVC pipe and fixedly connected to the bottom surface of the beam of the bridge.
7. The sealing and installation structure for a bridge drain pipe according to claim 5, characterized in that: A detachable hanging mold is provided inside the galvanized steel pipe, and the hanging mold has a hanging rod, one end of the hanging rod extends to the top of the grille, and the other end of the hanging rod extends to the bottom of the bridge; One end of the suspension rod is provided with a cross bar and a nut, the cross bar is sleeved on the suspension rod, the cross bar is erected on the top concrete beam surface of the grille, the suspension rod has an external thread, and the nut is threadedly connected to the suspension rod and fits the cross bar; A steel plate is provided at the other end of the suspension rod, and a through hole is opened on the steel plate. The aperture of the through hole is adapted to the diameter of the galvanized steel pipe, and the other end of the suspension rod is fixedly connected to the steel plate.
8. A sealing and mounting structure for a bridge drain pipe according to claim 7, characterized in that: A plurality of steel bars are arranged at the lower part of the steel plate, the plurality of steel bars are fixedly connected to each other and to the bottom surface of the steel plate, and the other end of the suspension rod is fixedly connected to the plurality of steel bars.
9. The sealing and installation structure for a bridge drain pipe according to claim 1, characterized in that: A plurality of grouting holes are provided at the bottom of the grille well, and the plurality of grouting holes penetrate the gap between the galvanized steel pipe and the reserved hole.
10. The sealing and installation structure for a bridge drain pipe according to claim 1, characterized in that: The reserved hole passes through along the gravity direction of the bridge.