Submersible bridge handrail capable of being automatically opened and closed

By designing an automatic opening and closing sealing structure, and using components such as a motor-driven worm gear to retract the binding tape tightly against the outer wall of the railing, the problem of water leakage from the hydraulic cylinder was solved, thus improving the service life and protective effect of the flood bridge railing.

CN223607740UActive Publication Date: 2025-11-28DALIAN HEHAI WATER CONSERVANCY & HYDROPOWER SURVEY & DESIGN CO LTD
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Patent Information

Application Number
CN202423139115.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-19
Publication Date
2025-11-28
Estimated Expiration
2034-12-19

AI Technical Summary

Technical Problem

The connection between the hydraulic cylinder and the bridge body was not sealed, which caused water to seep in during the inclined hole operation. The cylinder was submerged in water for a long time, which reduced its service life.

Method used

Design an automatic opening and closing flood bridge railing. It adopts an automatic opening and closing sealing structure. It uses a motor to drive components such as worm gear, worm wheel, cylinder and spool. The hose is wound up with a strap to tightly fit the outer wall of the railing, so as to achieve a seal and prevent the hydraulic cylinder from coming into contact with water.

Benefits of technology

It effectively reduces the possibility of hydraulic cylinders and electronic components coming into contact with water, extends their service life, and prevents the railings from swaying and causing damage during flood discharge.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of water conservancy safety equipment, in particular to a submersible bridge handrail capable of being automatically opened and closed, which comprises a bridge body and a shell, the inner wall of the bridge body is fixedly connected with the shell, and the left side of the inner wall of the shell is fixedly connected with a second motor through a support. An automatic flood bridge handrail opening and closing sealing structure is arranged at the upper end of the right side of the inner wall of the shell, and the output end of the second motor is fixedly connected with a threaded rod. According to the submersible bridge handrail capable of being automatically opened and closed, through the automatic opening and closing sealing structure of the submersible bridge handrail, a first motor is started to drive a worm to rotate in a shell through a bearing, the worm rotates to drive a worm wheel to rotate in the shell through the bearing, the first motor is used for finally winding a bandage, and a hose is tightly attached to the outer wall of the handrail for sealing; the possibility that the hydraulic cylinder and an electronic element make contact with water is effectively reduced, meanwhile, the lamp pole can be tensioned and limited through the binding band, damage caused by shaking of the lamp pole in the flood discharge process is avoided, and then the service life is prolonged.
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Description

TECHNICAL FIELD

[0001] The utility model relates to water conservancy safety equipment technical field, concretely is a kind of automatically open and close's wading bridge railing. BACKGROUND

[0002] To utilize both sides of river to pass and do well safety protection, wading bridge is often built across river channel, and fixed protective guardrail is built on both sides of wading bridge upstream and downstream.In general case, river water flows through bridge under culvert, when encountering flood, bridge deck overflows, ensure normal river flood routing.In the process of flood discharge, railing is fixed, on the one hand, it narrows flood routing section, on the other hand, it blocks branches, sundries etc.in flood, affect normal river flood routing, thereby provide a kind of automatically open and close's wading bridge railing.

[0003] For example, the announcement number is "CN212200030U" a kind of wading bridge hydraulic movable railing, before encountering flood, railing contracts, it does not narrow flood routing section and block branches, sundries etc.in flood, does not affect normal river flood routing, ensure the safety of life and property of people on both sides of river.But the hydraulic cylinder in the above-mentioned is not sealed at bridge body connection, there is water seepage at this place during inclined hole, lead to hydraulic cylinder long time is soaked in water, lead to internal structure damage, thereby reduce service life. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the problem that hydraulic cylinder is not sealed at bridge body connection, there is water seepage at this place during inclined hole, lead to hydraulic cylinder long time is soaked in water, lead to internal structure damage, thereby reduce service life, and provides a kind of automatically open and close's wading bridge railing.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] Design a kind of automatically open and close's wading bridge railing, including bridge body and shell, the bridge body inner wall is fixedly connected with shell, the shell inner wall left side is fixedly connected with second motor by support, the shell inner wall right side upper end is equipped with wading bridge railing automatic opening and closing sealing structure, the second motor output end is fixedly connected with threaded rod, the threaded rod lower end is rotatably connected with shell by bearing, the threaded rod outer wall is connected with threaded seat by screw thread, the threaded seat inner wall is slidably connected with slide rod, the slide rod both ends are fixedly connected with shell, the threaded seat outer wall upper end right side is fixedly connected with railing.

[0007] Preferably, the automatic opening and closing sealing structure of the flooded bridge railing includes a first motor, a worm gear fixedly connected to the end of the output shaft of the first motor, the outer wall of the worm gear meshing with a worm wheel, the rotating shaft of the worm wheel rotatably connected to the outer shell through a bearing, a cylinder fixedly connected to the rotating part of the worm wheel, the outer wall of the cylinder rotatably connected to the outer shell through a sealed bearing, a spool fixedly connected to the upper end of the cylinder, the rotating shaft of the spool rotatably connected to the outer shell through a sealed bearing, the outer wall of the spool fixedly connected to one end of a strap, the inner wall of the strap wrapping and fitting tightly to the outer wall of a flexible hose, and the other end of the strap fixedly connected to a flexible hose.

[0008] Preferably, the outer wall of the first motor is fixedly connected to the housing via a bracket, and the end of the worm gear is rotatably connected to the housing via a bearing.

[0009] Preferably, the lower end of the hose is fixedly connected to the outer shell, the spool rotation shaft is rotatably connected to the outer shell through a sealed bearing, and a sealing gasket is fixedly connected to the upper end of the outer wall of the railing.

[0010] Preferably, the outer wall of the railing is sealed to the outer shell, and a hanging ring is fixedly connected to the upper end of the outer wall of the railing.

[0011] The present invention proposes an automatically opening and closing flood bridge railing, the advantages of which are as follows: Through the automatic opening and closing sealing structure of the flood bridge railing, the first motor starts and drives the worm gear to rotate within the housing via a bearing. The rotation of the worm gear drives the worm wheel to rotate within the housing via a bearing. The rotation of the worm wheel drives the cylinder to rotate within the housing via a sealed bearing. In turn, the cylinder drives the spool to rotate within the housing via a sealed bearing. The rotation of the spool winds up the binding tape. The first motor ultimately winds up the binding tape, ensuring that the hose tightly adheres to the outer wall of the railing for sealing. This effectively reduces the possibility of the hydraulic cylinder and electronic components coming into contact with water. At the same time, the binding tape also tightens and limits the light pole, preventing damage caused by the light pole swaying during flood discharge, thereby extending its service life. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of this utility model;

[0013] Figure 2 for Figure 1 A partial sectional view from the front;

[0014] Figure 3 for Figure 2 Front sectional view of the inner shell;

[0015] Figure 4 for Figure 2 Left partial sectional view of the automatic opening and closing sealing structure of the railing of the Zhongman Bridge;

[0016] Figure 5 for Figure 3 Enlarged view of A in the middle;

[0017] Figure 6 For Figure 3 Enlarged view of B.

[0018] In the figure: 1, the automatic opening and closing sealing structure of the water bridge railing, 101, the first motor, 102, the worm, 103, the worm gear, 104, the cylinder, 105, the spool, 106, the bandage, 2, the shell, 3, the second motor, 4, the threaded seat, 5, the threaded rod, 6, the slide rod, 7, the railing, 8, the lifting ring, 9, the hose, 10, the bridge body. DETAILED DESCRIPTION

[0019] The utility model will be further described below with reference to the drawings:

[0020] Referring to the accompanying Figures 1-6 In this embodiment, a water bridge railing that can be automatically opened and closed includes a bridge body 10 and a shell 2. The inner wall of the bridge body 10 is fixedly connected with the shell 2. The left side of the inner wall of the shell 2 is fixedly connected with a second motor 3 through a support. The second motor 3 is a stepping motor. The right side of the upper end of the inner wall of the shell 2 is provided with an automatic opening and closing sealing structure 1 of the water bridge railing. The output end of the second motor 3 is fixedly connected with a threaded rod 5.

[0021] The lower end of the threaded rod 5 is rotatably connected with the shell 2 through a bearing. The second motor 3 can drive the threaded rod 5 to rotate in the shell 2 through the bearing. The outer wall of the threaded rod 5 is screw-connected with a threaded seat 4. The inner wall of the threaded seat 4 is slidingly connected with a slide rod 6. The slide rod 6 can support the threaded seat 1. The two ends of the slide rod 6 are fixedly connected with the shell 2. The outer wall of the upper end of the threaded seat 4 is fixedly connected with a railing 7 on the right side. The outer wall of a first motor 101 is fixedly connected with the shell 2 through a support.

[0022] The end of a worm 102 is rotatably connected with the shell 2 through a bearing. The worm 102 can rotate in the shell 2 through the bearing. The lower end of a hose 9 is fixedly communicated with the shell 2. The rotating shaft of a spool 105 is rotatably connected with the shell 2 through a sealing bearing. The spool 105 can rotate in the shell 2 through the sealing bearing. The outer wall of the railing 7 is sealingly connected with the shell 2. A sealing ring is fixedly arranged at the connection between the railing 7 and the shell 2, so as to ensure the relative sealing property. The outer wall of the upper end of the railing 7 is fixedly connected with a lifting ring 8. The outer wall of the upper end of the railing 7 is fixedly connected with a sealing gasket 11.

[0023] Referring to the accompanying Figures 2-6The automatic opening and closing sealing structure of the floodable bridge railing 1 comprises a first motor 101, the first motor 101 adopts a stepping motor, the output shaft end of the first motor 101 is fixedly connected with a worm 102, the first motor 101 can drive the worm 102 to rotate, the outer wall of the worm 102 is meshed and connected with a worm wheel 103, the rotating shaft of the worm wheel 103 is rotatably connected with an outer shell 2 through a bearing, the worm 102 can drive the worm wheel 103 to rotate in the outer shell 2 through the bearing, the rotating part of the worm wheel 103 is fixedly connected with a cylinder 104, the outer wall of the cylinder 104 is rotatably connected with the outer shell 2 through a sealing bearing;

[0024] The worm wheel 103 can drive the cylinder 104 to rotate in the outer shell 2 through the sealing bearing, the upper end of the cylinder 104 is fixedly connected with a wire shaft 105, the rotating shaft of the wire shaft 105 is rotatably connected with the outer shell 2 through a sealing bearing, the cylinder 104 can drive the wire shaft 105 to rotate in the outer shell 2 through the sealing bearing, the outer wall of the wire shaft 105 is fixedly connected with one end of a bandage 106, the inner wall of the bandage 106 is wrapped and adhered to the outer wall of a hose 9, the other end of the bandage 106 is fixedly connected with the hose 9.

[0025] Working principle:

[0026] The automatic opening and closing working of the floodable bridge railing:

[0027] When the flood discharge closing rail is needed, the rope bound on the lifting ring 8 is taken off, then the external power supply of the second motor 3 is connected, the second motor 3 is started to drive the threaded rod 5 to rotate in the shell 2 through the bearing, the threaded rod 5 rotates to drive the threaded seat 4 to slide downwards on the outer wall of the sliding rod 6, the sliding rod 6 can support the threaded seat 4, and then the rail 7 is retracted and released downwards through the threaded seat 4, in the process, the rail 7 can slide downwards on the inner wall of the shell 2, so that the sealing gasket 11 abuts against the groove processed on the upper end of the shell 2, so that the shell 2 can be preliminarily sealed, when the upper end of the rail 7 abuts against the shell 2, the second motor 3 stops moving, then the external power supply of the first motor 101 is connected, the first motor 101 is started to drive the worm 102 to rotate in the shell 2 through the bearing, the worm 102 rotates to drive the worm gear 103 to rotate in the shell 2 through the bearing, the worm gear 103 rotates to drive the cylinder 104 to rotate in the shell 2 through the sealing bearing, and then the spool 105 is rotated in the shell 2 through the sealing bearing through the cylinder 104, the spool 105 rotates to wind the binding belt 106, wherein the binding belt 106 is wound on the outer wall of the hose 9 in multiple layers, in the winding process, the hose 9 is closely attached to the outer wall of the lamp pole 7 with the distance between them being reduced, and then the hose 9 is bound on the outer wall of the lamp pole 7, so that subsequent sealing can be realized, and the binding belt 106 can also tension and position the lamp pole 7, so that damage caused by the shaking of the lamp pole 7 during the flood discharge process is avoided, when the hose 9 is closely attached to the outer wall of the rail 7, the first motor 101 stops moving, and then subsequent flood discharge work can be carried out, when the flood discharge is completed, the water accumulated in the groove on the upper end of the second shell 2 is evaporated with the sunlight and temperature, when the rail 7 needs to be reset, the first motor 101 is controlled to reverse to reset the binding belt, and the hose 9 is in the contact and binding state, and then the second motor 3 is further controlled to finally drive the rail 7 to reset, and then the external rope can be fixed on the lifting ring 8 in sequence for protection.

[0028] Although the utility model has been illustrated and described by referring to the preferred embodiments, it should be understood by those skilled in the art that various changes in form and details can be made within the scope of the claims.

Claims

1. An automatically opening and closing flood bridge railing, comprising a bridge body (10) and a shell (2), wherein the inner wall of the bridge body (10) is fixedly connected to the shell (2), characterized in that: The left side of the inner wall of the outer shell (2) is fixedly connected to the second motor (3) via a bracket. The upper right side of the inner wall of the outer shell (2) is provided with an automatic opening and closing sealing structure (1) for the flood bridge railing. The output end of the second motor (3) is fixedly connected to a threaded rod (5). The lower end of the threaded rod (5) is rotatably connected to the outer shell (2) via a bearing. The outer wall of the threaded rod (5) is threadedly connected to the threaded seat (4). The inner wall of the threaded seat (4) is slidably connected to the slide rod (6). The two ends of the slide rod (6) are fixedly connected to the outer shell (2). The upper right side of the outer wall of the threaded seat (4) is fixedly connected to a railing (7).

2. The automatically opening and closing flood bridge railing according to claim 1, characterized in that: The automatic opening and closing sealing structure (1) of the flooded bridge railing includes a first motor (101), a worm gear (102) is fixedly connected to the end of the output shaft of the first motor (101), the outer wall of the worm gear (102) is meshed with a worm wheel (103), the rotating shaft of the worm wheel (103) is rotatably connected to the outer shell (2) through a bearing, a cylinder (104) is fixedly connected to the rotating part of the worm wheel (103), the outer wall of the cylinder (104) is rotatably connected to the outer shell (2) through a sealed bearing, a bobbin (105) is fixedly connected to the upper end of the cylinder (104), the rotating shaft of the bobbin (105) is rotatably connected to the outer shell (2) through a sealed bearing, the outer wall of the bobbin (105) is fixedly connected to one end of a strap (106), the inner wall of the strap (106) is wrapped and fitted with the outer wall of a hose (9), and the other end of the strap (106) is fixedly connected to the hose (9).

3. The automatically opening and closing flood bridge railing according to claim 2, characterized in that: The outer wall of the first motor (101) is fixedly connected to the outer shell (2) through a bracket, and the end of the worm (102) is rotatably connected to the outer shell (2) through a bearing.

4. The automatically opening and closing flood bridge railing according to claim 2, characterized in that: The lower end of the hose (9) is fixedly connected to the outer shell (2), and the rotating shaft of the spool (105) is rotatably connected to the outer shell (2) through a sealed bearing.

5. The automatically opening and closing flood bridge railing according to claim 1, characterized in that: The outer wall of the railing (7) is sealed to the outer shell (2), a hanging ring (8) is fixedly connected to the upper end of the outer wall of the railing (7), and a sealing gasket (11) is fixedly connected to the upper end of the outer wall of the railing (7).

Citation Information

Patent Citations

  • Hydraulic movable railing of flood bridge

    CN212200030U