CN210597006U - Expansion joint dust keeper for bridge maintenance - Google Patents
Expansion joint dust keeper for bridge maintenance Download PDFInfo
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- CN210597006U CN210597006U CN201921513458.1U CN201921513458U CN210597006U CN 210597006 U CN210597006 U CN 210597006U CN 201921513458 U CN201921513458 U CN 201921513458U CN 210597006 U CN210597006 U CN 210597006U
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Abstract
The utility model discloses an expansion joint dustproof device for bridge maintenance, in particular to the field of bridge maintenance, which comprises a bridge connecting frame, wherein one side of the bridge connecting frame is fixedly provided with a reinforced stretching rib, and the other side of the bridge connecting frame is provided with a dustproof mechanism; the dustproof mechanism comprises a center positioning plate, positioning grooves are formed in the surfaces of the two sides of the center positioning plate, a first spring is fixedly arranged inside each positioning groove, a fixing block is fixedly arranged on one side of each first spring, a limiting groove is formed in the surface of one side of the bridge connecting frame, the fixing block is connected with the limiting groove in a sliding mode, and a sealing sleeve is fixedly arranged on the outer side of the fixing block. The utility model discloses a set up dustproof mechanism, first spring promotes the fixed block card inside the spacing inslot, and the sealing boot slides in the fixed block outside, can hug closely with the bridge connection frame along with the removal of fixed block, can be along with the expansion of expansion joint or reduce to carry out sealing treatment to the expansion joint, has promoted isolation and shutoff effect.
Description
Technical Field
The utility model relates to a bridge maintenance technical field, more specifically say, the utility model relates to an expansion joint dust keeper is used in bridge maintenance.
Background
The expansion joint is a structural joint provided at an appropriate position along the direction of a construction joint of a building or a structure to prevent the structure from being cracked or damaged due to a change in weather temperature (thermal expansion or cold contraction).
The utility model discloses a patent application publication number CN 208792146U's utility model discloses an expansion joint dust keeper for bridge maintenance, include the bridge link, strengthen tensile muscle, fixing base and expansion joint, the side of bridge link is provided with strengthen tensile muscle, strengthen the both ends of tensile muscle and be provided with the fixing base, the intermediate position of bridge link is provided with the expansion joint, the bridge link sets up in the preformed groove of bridge base member, the below of bridge link is provided with the supporting shoe, be provided with the mounting groove on the supporting shoe, be provided with the blotter in the mounting groove. Has the advantages that: the utility model discloses a be provided with sealing rubber, polysulfide sealant and rubber waterstop among the flexible seam device of bridge, ensure the leakproofness of bridge expansion joint, fall into the dust in avoiding the expansion joint or ponding appears and influence life, the below of device is provided with blotter and buffer spring, can reduce the noise that the vibration produced, is provided with the puigging in the expansion joint, weakens the propagation of noise.
However, in actual use, such as in this practical use, the expansion joint is enlarged or reduced, and thus, external dust and foreign materials cannot be effectively isolated and blocked.
SUMMERY OF THE UTILITY MODEL
In order to overcome prior art's above-mentioned defect, the embodiment of the utility model provides an expansion joint dust keeper is used in bridge maintenance, through setting up dustproof mechanism, when interval between two bridge connection framves enlarges, first spring promotes the fixed block card inside the spacing inslot, the sealing boot slides in the fixed block outside, can hug closely with bridge connection frame along with the removal of fixed block, prevent that external debris or dust from entering into inside the expansion joint between the bridge connection frame, the inside slip of guide way that bridge connection frame was equipped with on the base surface through the guide block simultaneously, thereby carry out certain injecing to bridge connection frame's removal orbit, compare with prior art, can be along with the expansion of expansion joint or reduce to carry out sealing process to the expansion joint, isolation and shutoff effect have been promoted, in order to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a dustproof device for an expansion joint for bridge maintenance comprises a bridge connecting frame, wherein a reinforced stretching rib is fixedly arranged on one side of the bridge connecting frame, and a dustproof mechanism is arranged on the other side of the bridge connecting frame;
the dustproof mechanism comprises a central positioning plate, positioning grooves are formed in the surfaces of the two sides of the central positioning plate, a first spring is fixedly arranged inside each positioning groove, a fixing block is fixedly arranged on one side of the first spring, a limiting groove is formed in the surface of one side of the bridge connecting frame, the fixing block is connected with the limiting groove in a sliding mode, a sealing sleeve is fixedly arranged on the outer side of the fixing block, the sealing sleeve is made of a rubber material, a guide block is fixedly arranged at the bottom of the bridge connecting frame, a base is arranged at the bottom of the guide block, a guide groove is formed in the surface of the base, the guide block is connected with the guide groove in a sliding mode, a sealing block is fixedly arranged at.
In a preferred embodiment, the bottom of the center positioning plate is provided with a water distributor, the water distributor comprises a sliding block, the surface of the bottom of the center positioning plate is provided with a sliding groove, the sliding block is in sliding connection with the sliding groove, and the number of the sliding block and the number of the bridge connecting frames are two.
In a preferred embodiment, the bottom of the sliding block is provided with a connecting plate, and the bottom of the connecting plate is fixedly provided with a sliding barrel.
In a preferred embodiment, a second spring is fixedly arranged inside the sliding barrel, a sliding column is fixedly arranged at the bottom of the second spring, and the sliding column is connected with the sliding barrel in a sliding manner.
In a preferred embodiment, a water guide plate is fixedly arranged at the bottom of the sliding column, and a sealing bulge is arranged on one side of the bridge connecting frame.
In a preferred embodiment, a third spring is fixedly arranged at the bottom of the water guide plate, and a bottom sealing plate is arranged at the bottom of the third spring.
In a preferred embodiment, a sealing layer is fixedly arranged at the bottom of the water deflector, and the sealing layer is made of polytetrafluoroethylene material.
In a preferred embodiment, the surface of the water deflector is provided with a water chute, and the cross section of the water chute is in a trapezoidal shape.
The utility model discloses a technological effect and advantage:
1. through the arrangement of the dustproof mechanism, when the distance between the two bridge connecting frames is enlarged, the first spring pushes the fixing block to be clamped in the limiting groove, the sealing sleeve slides outside the fixing block and can be attached to the bridge connecting frames along with the movement of the fixing block, external sundries or dust are prevented from entering the expansion joint between the bridge connecting frames, and meanwhile, the bridge connecting frames slide in the guide grooves formed in the surface of the base through the guide blocks, so that the movement track of the bridge connecting frames is limited to a certain extent;
2. through setting up water distributor, after external water flows into the inside back in expansion joint between two bridge connection framves through the clearance before central locating plate and the bridge connection frame, the second bullet promotes the traveller and drives the water deflector and descend, the third bullet pulling bottom closing plate rises simultaneously, compared with the prior art, what set up is made by polytetrafluoroethylene material becomes the sealing layer and is hugged closely with sealed arch, promote sealed water-proof effects, the guiding gutter on later water deflector surface carries out the drainage to water, avoid influencing water-proof effects along with the change of interval between the bridge connection frame.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of a partial structure of the part a in fig. 1 according to the present invention.
Fig. 3 is a schematic view of a partial structure of the part B in fig. 1 according to the present invention.
Fig. 4 is a schematic structural view of the center positioning plate of the present invention.
Fig. 5 is a schematic perspective view of the water deflector of the present invention.
The reference signs are: the bridge comprises a bridge connecting frame 1, a reinforced stretching rib 2, a dustproof mechanism 3, a central positioning plate 4, a positioning groove 5, a first spring 6, a fixed block 7, a sealing sleeve 8, a guide block 9, a base 10, a sealing block 11, a water distributor 12, a sliding block 13, a sliding groove 14, a connecting plate 15, a sliding barrel 16, a second spring 17, a sliding column 18, a water guide plate 19, a sealing bulge 20, a third spring 21, a bottom sealing plate 22, a sealing layer 23 and a water guide groove 24.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The expansion joint dustproof device for bridge maintenance shown in the attached figures 1-5 comprises a bridge connecting frame 1, wherein a reinforcing stretching rib 2 is fixedly arranged on one side of the bridge connecting frame 1, and a dustproof mechanism 3 is arranged on the other side of the bridge connecting frame 1;
The implementation mode is specifically as follows: the bridge and the bridge connecting frames 1 are integrally coagulated and fixed through the reinforced stretching ribs 2, when the distance between the two bridge connecting frames 1 is enlarged, the first spring 6 pushes the fixing block 7 to be clamped in the limiting groove, the sealing sleeve 8 made of rubber materials sleeved outside the fixing block 7 slides outside the fixing block 7 and can be tightly attached to the bridge connecting frames 1 along with the movement of the fixing block 7, so that external sundries or dust are prevented from entering the expansion joints between the bridge connecting frames 1, meanwhile, the bridge connecting frames 1 slide in the guide grooves arranged on the surface of the base 10 through the guide blocks 9, the moving track of the bridge connecting frames 1 is limited to a certain extent, the sealing blocks 11 made of asbestos fiber materials improve the heat resistance, water resistance, acid resistance and chemical corrosion resistance effects of the expansion joints, and can seal the expansion joints along with the enlargement or reduction of the expansion joints, the isolation and plugging effects are improved, and the problem that in the prior art, external dust and foreign matters cannot be effectively isolated and plugged along with expansion or shrinkage of an expansion joint is solved.
The expansion joint dustproof device for bridge maintenance shown in fig. 1 and 3 further comprises a water distributor 12, wherein the water distributor 12 is arranged at the bottom of the central positioning plate 4, the water distributor 12 comprises a sliding block 13, a sliding groove 14 is formed in the surface of the bottom of the central positioning plate 4, the sliding block 13 is in sliding connection with the sliding groove 14, and the number of the sliding block 13 and the number of the bridge connecting frames 1 are two;
a connecting plate 15 is arranged at the bottom of the sliding block 13, and a sliding cylinder 16 is fixedly arranged at the bottom of the connecting plate 15;
a second spring 17 is fixedly arranged inside the sliding barrel 16, a sliding column 18 is fixedly arranged at the bottom of the second spring 17, and the sliding column 18 is connected with the sliding barrel 16 in a sliding manner;
a water guide plate 19 is fixedly arranged at the bottom of the sliding column 18, and a sealing bulge 20 is arranged on one side of the bridge connecting frame 1;
a third spring 21 is fixedly arranged at the bottom of the water guide plate 19, and a bottom sealing plate 22 is arranged at the bottom of the third spring 21, so that the waterproof effect is further improved;
a sealing layer 23 is fixedly arranged at the bottom of the water guide plate 19, and the sealing layer 23 is made of polytetrafluoroethylene materials, so that the corrosion prevention effect inside the expansion joint is improved, and the service life of the seal is prolonged;
the surface of the water guide plate 19 is provided with a water guide groove 24, and the cross section of the water guide groove 24 is trapezoidal.
The implementation mode is specifically as follows: after external water flows into the inside back in expansion joint between two bridge link 1 through the clearance before central locating plate 4 and bridge link 1, the second bullet promotes traveller 18 and drives division deflector 19 decline, third bullet pulling bottom closing plate 22 rises simultaneously, make sealed arch 20 by division deflector 19 and the centre gripping of bottom closing plate 22, the sealing layer 23 that becomes by polytetrafluoroethylene material of setting is hugged closely with sealed arch 20, promote sealed water-proof effects, the guiding gutter 24 on 19 surface of later division deflector carries out the drainage to water, avoid influencing water-proof effects along with the change of interval between bridge link 1, this embodiment has specifically solved the problem that exists among the prior art can influence water-proof effects along with the change of interval between bridge link 1.
The utility model discloses the theory of operation:
referring to the attached drawings 1-5 of the specification, when the distance between two bridge connecting frames 1 is enlarged, a first spring 6 pushes a fixing block 7 to be clamped in a limiting groove, a sealing sleeve 8 slides outside the fixing block 7 and can be attached to the bridge connecting frames 1 along with the movement of the fixing block 7, so that external impurities or dust are prevented from entering the expansion joints between the bridge connecting frames 1, meanwhile, the bridge connecting frames 1 slide in guide grooves formed in the surface of a base 10 through guide blocks 9, the movement track of the bridge connecting frames 1 is limited to a certain extent, the expansion joints can be sealed along with the expansion or contraction of the expansion joints, and the isolation and blocking effects are improved;
referring to the attached drawings 1 and 3 of the specification, when external water flows into the expansion joint between the two bridge connecting frames 1 through the gap between the central positioning plate 4 and the bridge connecting frames 1, the second spring pushes the sliding column 18 to drive the water guide plate 19 to descend, meanwhile, the third spring pulls the bottom sealing plate 22 to ascend, the sealing layer 23 made of polytetrafluoroethylene materials is arranged to be attached to the sealing protrusion 20, the sealing and waterproof effect is improved, then the water guide groove 24 on the surface of the water guide plate 19 conducts drainage on the water, and the waterproof effect is prevented from being influenced along with the change of the distance between the bridge connecting frames 1.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides an expansion joint dust keeper for bridge maintenance, includes bridge link (1), its characterized in that: a reinforced stretching rib (2) is fixedly arranged on one side of the bridge connecting frame (1), and a dustproof mechanism (3) is arranged on the other side of the bridge connecting frame (1);
the dustproof mechanism (3) comprises a central positioning plate (4), positioning grooves (5) are formed in the surfaces of the two sides of the central positioning plate (4), a first spring (6) is fixedly arranged in the positioning groove (5), a fixed block (7) is fixedly arranged at one side of the first spring (6), a limiting groove is arranged on the surface of one side of the bridge connecting frame (1), the fixing block (7) is connected with the limiting groove in a sliding way, a sealing sleeve (8) is fixedly arranged on the outer side of the fixing block (7), the sealing sleeve (8) is made of rubber material, a guide block (9) is fixedly arranged at the bottom of the bridge connecting frame (1), a base (10) is arranged at the bottom of the guide block (9), the surface of the base (10) is provided with a guide groove, the guide block (9) is connected with the guide groove in a sliding way, the top of the base (10) is fixedly provided with a sealing block (11), and the sealing block (11) is made of asbestos fiber materials.
2. The expansion joint dust keeper for bridge maintenance of claim 1, characterized in that: the water distributor (12) is arranged at the bottom of the central positioning plate (4), the water distributor (12) comprises a sliding block (13), a sliding groove (14) is formed in the surface of the bottom of the central positioning plate (4), the sliding block (13) is in sliding connection with the sliding groove (14), and the sliding block (13) and the bridge connecting frame (1) are arranged in two numbers.
3. The expansion joint dust-proof device for bridge maintenance according to claim 2, wherein: the bottom of the sliding block (13) is provided with a connecting plate (15), and the bottom of the connecting plate (15) is fixedly provided with a sliding cylinder (16).
4. The expansion joint dust keeper for bridge maintenance of claim 3, characterized in that: a second spring (17) is fixedly arranged in the sliding barrel (16), a sliding column (18) is fixedly arranged at the bottom of the second spring (17), and the sliding column (18) is connected with the sliding barrel (16) in a sliding manner.
5. The expansion joint dustproof device for bridge maintenance according to claim 4, wherein: the bottom of the sliding column (18) is fixedly provided with a water guide plate (19), and one side of the bridge connecting frame (1) is provided with a sealing bulge (20).
6. The expansion joint dustproof device for bridge maintenance according to claim 5, wherein: the bottom of the water guide plate (19) is fixedly provided with a third spring (21), and the bottom of the third spring (21) is provided with a bottom sealing plate (22).
7. The expansion joint dustproof device for bridge maintenance according to claim 5, wherein: the bottom of the water guide plate (19) is fixedly provided with a sealing layer (23), and the sealing layer (23) is made of polytetrafluoroethylene materials.
8. The expansion joint dustproof device for bridge maintenance according to claim 5, wherein: the surface of the water guide plate (19) is provided with a water guide groove (24), and the cross section of the water guide groove (24) is trapezoidal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921513458.1U CN210597006U (en) | 2019-09-11 | 2019-09-11 | Expansion joint dust keeper for bridge maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921513458.1U CN210597006U (en) | 2019-09-11 | 2019-09-11 | Expansion joint dust keeper for bridge maintenance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210597006U true CN210597006U (en) | 2020-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921513458.1U Active CN210597006U (en) | 2019-09-11 | 2019-09-11 | Expansion joint dust keeper for bridge maintenance |
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| CN (1) | CN210597006U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114908635A (en) * | 2022-05-26 | 2022-08-16 | 中冶南方城市建设工程技术有限公司 | Quick-replaceable combined type pavement expansion joint shock absorption self-adjusting system |
-
2019
- 2019-09-11 CN CN201921513458.1U patent/CN210597006U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114908635A (en) * | 2022-05-26 | 2022-08-16 | 中冶南方城市建设工程技术有限公司 | Quick-replaceable combined type pavement expansion joint shock absorption self-adjusting system |
| CN114908635B (en) * | 2022-05-26 | 2023-12-05 | 中冶南方城市建设工程技术有限公司 | Quick-replaceable composite road expansion joint shock absorption self-adjusting system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220915 Address after: Northeast of Dazhangzhuang Village, Maasen Township, High-tech Zone, Hengshui City, Hebei Province, east of Provincial Highway 040, 053000 Patentee after: Hengshui Tianyi new material technology Co.,Ltd. Address before: No. 188, Rubber and Plastic Road, North Industrial Base, Taocheng District, Hengshui City, Hebei Province, 053200 Patentee before: Hengshui Huarui Engineering Rubber Co.,Ltd. |
|
| TR01 | Transfer of patent right |