CN110983963A - Drainage system of steel beam box passenger foot bridge - Google Patents
Drainage system of steel beam box passenger foot bridge Download PDFInfo
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- CN110983963A CN110983963A CN202010025108.1A CN202010025108A CN110983963A CN 110983963 A CN110983963 A CN 110983963A CN 202010025108 A CN202010025108 A CN 202010025108A CN 110983963 A CN110983963 A CN 110983963A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 52
- 239000010959 steel Substances 0.000 title claims abstract description 52
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 238000010276 construction Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/08—Damp-proof or other insulating layers; Drainage arrangements or devices ; Bridge deck surfacings
- E01D19/086—Drainage arrangements or devices
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Abstract
The invention relates to the field of municipal engineering, in particular to a drainage system of a steel beam box pedestrian bridge, which comprises color steel tiles, a water containing groove, a drainage pipeline, a sewer pipeline and a receiving pipe fitting, wherein the color steel tiles are arranged at the top end of the bridge, the water containing groove is arranged at the bottom ends of two sides of the color steel tiles, the drainage pipeline is arranged on a steel box girder of the bridge, the water containing groove is communicated with the sewer pipeline through the drainage pipeline, different branches of the drainage pipeline are communicated through the receiving pipe fitting, and the receiving pipe fitting is movably arranged or locked.
Description
Technical Field
The invention relates to the field of municipal engineering, in particular to a drainage system of a steel girder box pedestrian overpass.
Background
The pedestrian overpass is generally built in a section with large traffic flow and dense pedestrians, or on intersections, squares and railways. The pedestrian overpass only allows pedestrians to pass through, is used for avoiding conflict when traffic flow and pedestrian flow planes are intersected, ensures safe crossing of people, improves speed of vehicles, reduces traffic accidents, increases urban population flying speed, brings great pressure to urban traffic, can effectively improve traffic capacity of an urban road network and ensures safe and convenient pedestrian crossing, and is widely applied to urban construction. The steel box girder pedestrian overpass is a form of a steel structure pedestrian overpass, and has more advantages in practical application, such as rapid construction, small dead weight, good earthquake resistance and the like; the steel structure can be processed firstly and then transported to the bridge site for on-site splicing and combination, the construction period can be effectively shortened, the influence on traffic is small, the method is the first choice of the overpass construction at the present stage, the application of the steel box girder bridge in China is more and more common, and the method is widely popularized and applied.
Through investigation, the existing steel box girder pedestrian overpass has no drainage facility, rainwater and snow water on the bridge deck can only flow along the ramp of the bridge deck, the expansion joints of the overpass have serious leakage, and the unorganized drainage is realized by mostly depending on natural drainage to flow into a road drainage system. Because no effective drainage facility exists, the accumulated water on the bridge deck of the pedestrian overpass is serious, the bridge deck is damaged, the ageing and the cracking of the overpass are accelerated, the bridge deck needs to be continuously repaired, and the later maintenance cost is increased; influence the pedestrian traffic; meanwhile, unorganized drainage affects the passing of motor vehicles and non-motor vehicles under the bridge. The drainage device is simple and feasible to use, the drainage capacity of the pedestrian overpass is improved, and the service life of the overpass is prolonged, so that the important problems to be solved in municipal engineering are solved.
Chinese patent CN201720585154.0 discloses a drainage device of a steel box girder pedestrian overpass, wherein the drainage device is provided with a rainwater hole grate, a steel pipe, a flexible hose and a PVC pipe from top to bottom, the top surface of the rainwater hole grate is not higher than the top surface of the steel box girder pedestrian overpass, and part of the bottom surface of the rainwater hole grate is welded and fixed with the upper end of the steel pipe; the steel pipe is inserted into a rainwater hole which is pre-arranged on a steel box girder pedestrian bridge deck panel, the steel pipe is communicated with the PVC pipe through a telescopic hose, the lower end of the steel pipe is wrapped outside the upper end of the telescopic hose and is inserted into the upper end of the PVC pipe, and the PVC pipe is fixed on a pedestrian bridge pier column through a clamp; the lower end of the PVC pipe is communicated with a catch basin or a green belt.
The flexible hose of the device can be frozen and cracked, lose efficacy and leak water in winter, thereby affecting drainage.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a drainage system of a steel beam box pedestrian overpass, and the technical scheme solves the problem that the flexible hose can be frozen and cracked, failed and leaked in winter, so that drainage is influenced.
In order to solve the technical problems, the invention provides the following technical scheme: including various steel tile, water containing tank, drainage pipeline, sewer pipe and socket pipe spare, various steel tile sets up on the overline bridge top, and water containing tank sets up in various steel tile both sides bottom, and on drainage pipeline set up the steel box girder of overline bridge, water containing tank passed through drainage pipeline and sewer pipe intercommunication, by socket pipe spare intercommunication between the different branch roads of drainage pipeline.
Preferably, the drainage system further comprises an anchor ear, and the drainage pipeline is fixedly installed on the overpass steel box through the anchor ear.
Preferably, the drainage pipeline comprises a first drainage tube, a second drainage tube and a third drainage tube, the first drainage tube is vertically arranged on the upper portion of the overpass through a hoop, the top end of the first drainage tube is communicated with the water containing groove, the second drainage tube is transversely arranged in the middle of the overpass, the second drainage tube is communicated with the bottom end of the first drainage tube, the third drainage tube is vertically arranged at four corners of the bottom end of the overpass through the hoop, two ends of the third drainage tube are respectively communicated with the second drainage tube and the second drainage tube, and the drainage tubes are communicated with one another through receiving pipe fittings.
Preferably, the connection pipe comprises a plug and a connection base, the plug is coaxially arranged at the connection end of the drainage pipe, the connection base is coaxially arranged at the connection end of the other drainage pipe, and the plug is inserted into the connection base.
Preferably, the plug comprises a first through pipe, a clamping block and a flow guide pipe, the first fixing ring is coaxially arranged at one end of the first through pipe, the level of the flow guide end of the flow guide pipe is higher than the end surface of the first through pipe, and the clamping block is uniformly distributed on the outer circumferential surface of the first through pipe along the axial direction of the first through pipe; the bearing seat comprises a second through pipe, a third through pipe, a first limiting ring, a movable ring, a spring and a second fixing ring, the first limiting ring is coaxially arranged at one end of the second through pipe, the movable ring is slidably sleeved on the second through pipe, the spring is sleeved on the second through pipe, the second through pipe is coaxially arranged inside the third through pipe, two ends of the spring are respectively abutted to the bottom end of the movable ring and the bottom end of the third through pipe, the outer diameter of the spring is smaller than the inner diameter of the third through pipe, a clamping groove is formed in the top end of the third through pipe, a limiting block is arranged at the bottom end of the clamping groove, when in a clamping state, the clamping block is clamped in the clamping groove through the limiting block, the outer circumferential surface at the bottom end of the flow guide pipe is in clearance fit with the inner circumferential surface of.
Preferably, the plug also comprises a rubber ring, and the rubber ring is arranged on the outer ring of the bottom end of the flow guide pipe.
Preferably, the plug further comprises a first fixing ring, the first fixing ring is arranged at the joint of the top end inside the first through pipe, the bearing seat further comprises a second fixing ring, and the second fixing ring is arranged at the joint of the bottom end inside the second through pipe.
Preferably, still including fixing device, fixing device is including rotating tube, butt ring and second spacing collar, and the outer periphery top of third three-way pipe still is provided with the screw thread, and the rotating tube passes through the screw thread and rotates the setting on the third three-way pipe, and the coaxial setting of butt ring is on the top of rotating tube, and the coaxial setting of second spacing collar is on first siphunculus, and butt ring internal diameter is less than the external diameter of second spacing collar and is greater than the external diameter of first siphunculus.
Compared with the prior art, the invention has the beneficial effects that: the device mechanism is simple, can effectually carry out the drainage to the pedestrian bridge, and can make firm sealing connection between the drainage tube through the socket pipe fitting.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a perspective view of the drainage line of the present invention;
FIG. 3 is a perspective view of a female fitting of the present invention;
FIG. 4 is a side view of a socket of the present invention;
FIG. 5 is a sectional view taken along line A-A of FIG. 4;
FIG. 6 is a perspective view of the socket of the present invention;
fig. 7 is a perspective view of the plug of the present invention.
The reference numbers in the figures are:
1. color steel tiles;
2. a water containing tank;
3. a drainage line; 3a, a first drainage tube; 3b, a second drainage tube; 3c, a third drainage tube;
4. a sewer pipeline;
5. a pipe fitting is received; 5a, a plug; 5a1, a first through tube; 5a2, a clamping block; 5a3, a flow guide pipe; 5a4, rubber ring; 5a5, a first retainer ring; 5b, a bearing seat; 5b1, second tube; 5b2, a third tee; 5b3, a first spacing collar; 5b4, a movable ring; 5b5, spring; 5b6, second retainer ring; 5c, a fixing device; 5c1, spin tube; 5c2, abutment ring; 5c3, a second spacing collar;
6. and (5) hooping.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to the drainage system of a girder steel case pedestrian overpass shown in fig. 1-7, including various steel tile 1, water containing tank 2, drainage pipeline 3, sewer pipe 4 and accepting pipe 5, various steel tile 1 sets up on the overpass top, water containing tank 2 sets up in various steel tile 1 both sides bottom, on drainage pipeline 3 set up the overpass steel case roof beam, water containing tank 2 passes through drainage pipeline 3 and sewer pipe 4 intercommunication, communicate by accepting pipe 5 between the different branch roads of drainage pipeline 3.
The staff will the device sets up on the overline bridge, and in rainy day, the rainwater falls to flourishing basin 2 from various steel tile 1 both sides under the action of gravity, and flourishing basin 2 passes through drainage pipeline 3 and sewer pipe 4 intercommunication, thereby make the rainwater flow to sewer pipe 4 via drainage pipeline 3, thereby realize the problem of steel beam box pedestrian overline bridge rainy day drainage, and communicate by bearing pipe fitting 5 between the different branch roads of drainage pipeline 3, thereby make to connect between the pipeline firmly, difficult leaking, thereby ensure that the drainage is normal.
Still including staple bolt 6, drainage pipeline 3 passes through staple bolt 6 fixed mounting on the overpass steel case.
First drainage tube 3a passes through staple bolt 6 vertical setting on overbridge upper portion and first drainage tube 3a top and with water containing tank 2 intercommunication, and second drainage tube 3b transversely sets up in the overbridge middle part, and second drainage tube 3b and first drainage tube 3a bottom intercommunication, and third drainage tube 3c passes through staple bolt 6 vertical setting overbridge bottom four corners, and third drainage tube 3c both ends communicate second drainage tube 3b and second drainage tube 3b respectively, thereby it can not appear leaking all to guarantee through the intercommunication of socket pipe fitting 5 between the drainage tube to make when the rainwater falls into water containing tank 2, the rainwater can flow into sewer pipe 4 through first drainage tube 3a, second drainage tube 3b and third drainage tube 3 c.
The receiving pipe fitting 5 comprises a plug 5a and a receiving seat 5b, the plug 5a is coaxially arranged at the connecting end of the drainage pipe, the receiving seat 5b is coaxially arranged at the connecting end of the other drainage pipe, and the plug 5a is inserted and arranged in the receiving seat 5 b.
The plug 5a is coaxially arranged at the connecting end of the drainage tube, the bearing seat 5b is coaxially arranged at the connecting end of the other drainage tube, the plug 5a is inserted into the bearing seat 5b, the plug 5a is coaxially arranged at the connecting end of the drainage tube by a worker, the bearing seat 5b is coaxially arranged at the connecting end of the other drainage tube, and the plug 5a is inserted into the bearing seat 5b, so that the two drainage tubes can be stably connected in a sealed mode.
The plug 5a comprises a first through pipe 5a1, a clamping block 5a2 and a flow guide pipe 5a3, a first fixing ring 5a5 is coaxially arranged at one end of the first through pipe 5a1, the level of the flow guide end of the flow guide pipe 5a3 is higher than the end face of the first through pipe 5a1, and the clamping blocks 5a2 are uniformly distributed on the outer circumferential surface of the first through pipe 5a1 along the axial direction of the first through pipe 5a 1; the bearing seat 5b comprises a second through pipe 5b1, a third through pipe 5b2, a first limiting ring 5b3, a movable ring 5b4, a spring 5b5 and a second fixing ring 5b6, the first limiting ring 5b3 is coaxially arranged at one end of the second through pipe 5b1, the movable ring 5b4 is slidably sleeved on the second through pipe 5b1, the spring 5b5 is sleeved on the second through pipe 5b1, the second through pipe 5b1 is coaxially arranged inside the third through pipe 5b2, two ends of the spring 5b5 are respectively abutted against the bottom end of the movable ring 5b4 and the bottom end of the third through pipe 5b2, the outer diameter of the spring 5b5 is smaller than the inner diameter of the third through pipe 5b2, the top end of the third through pipe 5b2 is provided with a clamping groove, the bottom end of the clamping groove is provided with a limiting block, when in a clamping state, the clamping block 5a2 is clamped in the clamping groove through a limiting block, the outer circumferential surface of the bottom end of the flow guide pipe 5a3 is in clearance fit with the inner circumferential surface of the second through pipe 5b1, and the outer circumferential surface of the first through pipe 5a1 is in clearance fit with the inner circumferential surface of the third through pipe 5b 2.
By coaxially arranging the first fixing ring 5a5 at one end of the first through pipe 5a1, the level of the flow guide end of the flow guide pipe 5a3 is higher than the end surface of the first through pipe 5a1, and the clamping blocks 5a2 are uniformly distributed on the outer circumferential surface of the first through pipe 5a1 along the axial direction of the first through pipe 5a 1; the bearing seat 5b comprises a second through pipe 5b1, a third through pipe 5b2, a first limiting ring 5b3, a movable ring 5b4, a spring 5b5 and a second fixed ring 5b6, the first limiting ring 5b3 is coaxially arranged at one end of the second through pipe 5b1, the movable ring 5b4 is slidably sleeved on the second through pipe 5b1, the spring 5b 585 is sleeved on the second through pipe 5b1, the second through pipe 5b1 is coaxially arranged inside the third through pipe 5b2, two ends of the spring 5b5 are respectively abutted against the bottom end of the movable ring 5b4 and the bottom end of the third through pipe 5b2, the outer diameter of the spring 5b5 is smaller than the inner diameter of the third through pipe 5b2, the top end of the third through pipe 5b2 is provided with a clamping groove, the bottom end of the clamping groove is provided with a limiting block, when in a clamping state, the bottom end of the guide pipe 5a3 is in clearance fit with the second through inner circumferential surface of the first through pipe 5b 867 and the outer circumferential surface 1 b2, so that the first tube 5a1 can slide inside the third tube 5b 2; the worker holds the first tube 5a1, and aligns the snap block 5a2 with the snap groove on the third tube 5b2, so that the guide tube 5a3 is inserted into the second through tube 5b1, the bottom end of the first through tube 5a1 abuts against the movable ring 5b4 to move inwards, until the clamping block 5a2 abuts against the bottom of the clamping groove under the elastic force of the spring 5b5, then the first through pipe 5a1 is rotated, so that the catching piece 5a2 is limited in the catching groove by the limiting block, and then the worker loosens the first through pipe 5a1, under the elastic force of the spring 5b5, the movable ring 5b4 will abut against the first through tube 5a1 and move outwards, so that the clamping block 5a2 is completely clamped in the clamping groove, the first limiting ring 5b3 is used for preventing the movable ring 5b4 and the spring 5b5 from falling off from the second through pipe 5b1, and the flow guide pipe 5a3 is inserted into the second through pipe 5b1, so that the two flow guide pipes are stably communicated; when unloading is required, a worker can directly press the first through pipe 5a1 into the third through pipe 5b2, so that the clamping block 5a2 is withdrawn from the clamping groove, and then reversely rotate the first through pipe 5a1, so that the plug 5a is separated from the bearing seat 5 b.
The plug 5a further comprises a rubber ring 5a4, and the rubber ring 5a4 is arranged at the outer ring of the bottom end of the draft tube 5a 3.
The rubber ring 5a4 sets up in honeycomb duct 5a3 bottom end outer lane to when making honeycomb duct 5a3 peg graft in second siphunculus 5b1, can prevent that rivers from advancing other mechanisms, thereby prevent to appear leaking the phenomenon.
The plug 5a further includes a first fixing ring 5a5, the first fixing ring 5a5 is disposed at the connection position of the top end inside the first through tube 5a1, the receiving base 5b further includes a second fixing ring 5b6, and the second fixing ring 5b6 is disposed at the connection position of the bottom end inside the second through tube 5b 1.
The first fixing ring 5a5 is arranged at the top end connection inside the first through pipe 5a1, and the second fixing ring 5b6 is arranged at the bottom end connection inside the second through pipe 5b1, when the drainage tube is mounted on the first through pipe 5a1 or the second through pipe 5b1, the drainage tube can be stably and hermetically mounted on the first through pipe 5a1 or the second through pipe 5b1, thereby preventing water leakage.
The three-way pipe joint is characterized by further comprising a fixing device 5c, the fixing device 5c comprises a rotating pipe 5c1, an abutting ring 5c2 and a second limiting ring 5c3, threads are further arranged at the top end of the outer circumferential surface of the third pipe 5b2, the rotating pipe 5c1 is rotatably arranged on the third pipe 5b2 through the threads, the abutting ring 5c2 is coaxially arranged at the top end of the rotating pipe 5c1, the second limiting ring 5c3 is coaxially arranged on the first through pipe 5a1, and the inner diameter of the abutting ring 5c2 is smaller than the outer diameter of the second limiting ring 5c3 and larger than the outer diameter of the first through pipe 5a 1.
So that the rotary pipe 5c1 is rotatably disposed on the third tee pipe 5b2 by screw threads, the abutting ring 5c2 is coaxially disposed at the top end of the rotary pipe 5c1, the second retainer ring 5c3 is coaxially disposed on the first through pipe 5a1, the abutting ring 5c2 has an inner diameter smaller than the outer diameter of the second retainer ring 5c3 and larger than the outer diameter of the first through pipe 5a1, so that the abutting ring 5c2 can be clearance-fitted with the second retainer ring 5c3 and the first through pipe 5a1, the fixing device 5c is used for completely fixing the plug 5a and the socket 5b, when the plug 5a is engaged in the socket 5b, a worker can rotate the rotary pipe 5c1, so that the rotary pipe 5c1 moves upward by the screw threads of the third tee pipe 5b2, so that the abutting ring 5c2 abuts on the second retainer ring 5c3, when the rotary pipe 5c1 is not rotatable, the plug 5a and the socket 5b are completely unloaded, the rotary pipe 5c1 is reversely rotated so that the abutment ring 5c2 is disengaged from the second stopper ring 5c3, whereby the header 5a and the socket 5b can be separated.
The working principle of the invention is as follows:
the device is arranged on the overbridge by a worker, rainwater falls from two sides of the color steel tile 1 to the water containing groove 2 under the action of gravity in rainy days, the water containing groove 2 is communicated with the sewer pipeline 4 through the drainage pipeline 3, so that the rainwater flows to the sewer pipeline 4 through the drainage pipeline 3, the problem of drainage of the steel beam box pedestrian overbridge in rainy days is solved, different branches of the drainage pipeline 3 are communicated through the bearing pipe fitting 5, when the bearing pipe fitting 5 is installed, the worker holds the first through pipe 5a1 by hand, aligns the clamping block 5a2 to the clamping groove on the third through pipe 5b2, so that the guide pipe 5a3 is inserted into the second through pipe 5b1, the bottom end of the first through pipe 5a1 abuts against the movable ring 5b4 to move inwards, the clamping block 5a2 abuts against the bottom of the clamping groove under the elastic force of the spring 5b5, and then rotates the first through pipe 5a1, therefore, the clamping block 5a2 is limited in the clamping groove by the limiting block, then the worker loosens the first through pipe 5a1, under the elastic force of the spring 5b5, the movable ring 5b4 abuts against the first through pipe 5a1 to move outwards, so that the clamping block 5a2 is completely clamped in the clamping groove, the first limiting ring 5b3 is used for preventing the movable ring 5b4 and the spring 5b5 from falling off from the second through pipe 5b1, at the moment, the flow guide pipe 5a3 is inserted into the second through pipe 5b flow guide pipe 1, so that the two flow guide pipes are stably communicated, the rotating pipe 5c1 is rotated, so that the rotating pipe 5c1 moves upwards under the screw action of the third through pipe 5b2, so that the abutting ring 5c2 abuts against the second limiting ring 5c3, and when the rotating pipe 5c1 cannot rotate, the plug 5a and the bearing seat 5b are completely stabilized; the rotary pipe 5c1 is rotatably disposed on the third tee pipe 5b2 by screw threads, the abutting ring 5c2 is coaxially disposed at the top end of the rotary pipe 5c1, the second stopper ring 5c3 is coaxially disposed on the first through pipe 5a1, the inner diameter of the abutting ring 5c2 is smaller than the outer diameter of the second stopper ring 5c3 and larger than the outer diameter of the first through pipe 5a1, so that the abutting ring 5c2 can be in clearance fit with the second stopper ring 5c3 and the first through pipe 5a1, when unloading is required, the rotary pipe 5c1 is reversely rotated so that the abutting ring 5c2 is separated from the second stopper ring 5c3, so that the plug 5a and the socket 5b can be separated, a worker can press the first through pipe 5a1 into the third tee pipe 5b2 so that the engaging block 5a2 is withdrawn from the engaging groove, and then reversely rotate the first through pipe 5a1 so that the plug 5a and the socket 5b are separated to make the pipe connected firmly, the water is not easy to leak, thereby ensuring the normal drainage.
Claims (8)
1. The utility model provides a drainage system of girder steel case pedestrian bridge, a serial communication port, including various steel tile (1), water holding tank (2), drainage pipeline (3), sewer pipe (4) and adapter (5), various steel tile (1) sets up on the overline bridge top, water holding tank (2) set up in various steel tile (1) both sides bottom, on drainage pipeline (3) set up overline bridge steel case roof beam, water holding tank (2) are through drainage pipeline (3) and sewer pipe (4) intercommunication, by adapter (5) intercommunication between the different branch roads of drainage pipeline (3).
2. The drainage system of the steel girder box passenger footbridge according to claim 1, characterized in that the drainage system further comprises an anchor ear (6), and the drainage pipeline (3) is fixedly installed on the steel box of the footbridge through the anchor ear (6).
3. The drainage system of the steel girder box passenger foot bridge according to claim 1, characterized in that the drainage pipeline (3) comprises a first drainage tube (3 a), a second drainage tube (3 b) and a third drainage tube (3 c), the first drainage tube (3 a) is vertically arranged at the upper part of the foot bridge through a hoop (6), the top end of the first drainage tube (3 a) is communicated with the water containing tank (2), the second drainage tube (3 b) is transversely arranged at the middle part of the foot bridge, the second drainage tube (3 b) is communicated with the bottom end of the first drainage tube (3 a), the third drainage tube (3 c) is vertically arranged at the bottom end of the foot bridge through the hoop (6), two ends of the third drainage tube (3 c) are respectively communicated with four corners of the second drainage tube (3 b) and the second drainage tube (3 b), and the drainage tubes are communicated with each other through a bearing pipe fitting (5).
4. The drainage system of the steel girder box passenger footbridge as claimed in claim 1, wherein the receiving pipe fitting (5) comprises a plug (5 a) and a receiving seat (5 b), the plug (5 a) is coaxially arranged at the connecting end of the drainage pipe, the receiving seat (5 b) is coaxially arranged at the connecting end of the other drainage pipe, and the plug (5 a) is inserted and arranged in the receiving seat (5 b).
5. The drainage system of the steel beam box pedestrian overpass of claim 4, wherein the plug (5 a) comprises a first through pipe (5 a 1), a clamping block (5 a 2) and a guide pipe (5 a 3), the first fixing ring (5 a 5) is coaxially arranged at one end of the first through pipe (5 a 1), the horizontal plane of the flow guide end of the guide pipe (5 a 3) is higher than the end surface of the first through pipe (5 a 1), and the clamping blocks (5 a 2) are uniformly distributed on the outer circumferential surface of the first through pipe (5 a 1) along the axial direction of the first through pipe (5 a 1); the bearing seat (5 b) comprises a second through pipe (5 b 1), a third through pipe (5 b 2), a first limiting ring (5 b 3), a movable ring (5 b 4), a spring (5 b 5) and a second fixing ring (5 b 6), the first limiting ring (5 b 3) is coaxially arranged at one end of the second through pipe (5 b 1), the movable ring (5 b 4) is slidably sleeved on the second through pipe (5 b 1), the spring (5 b 5) is sleeved on the second through pipe (5 b 1), the second through pipe (5 b 1) is coaxially arranged inside the third through pipe (5 b 2), two ends of the spring (5 b 5) are respectively abutted against the bottom end of the movable ring (5 b 4) and the bottom end of the third through pipe (5 b 2), the outer diameter of the spring (5 b 5) is smaller than the inner diameter of the third through pipe (5 b 2), the top end of the third through pipe (5 b 2), a clamping grooves are arranged at the bottom end of the limiting block (5 b 2), and the limiting block is clamped in a clamping state, the outer circumferential surface of the bottom end of the draft tube (5 a 3) is in clearance fit with the inner circumferential surface of the second through tube (5 b 1), and the outer circumferential surface of the first through tube (5 a 1) is in clearance fit with the inner circumferential surface of the third through tube (5 b 2).
6. The drainage system of the steel girder box passenger footbridge of claim 4, characterized in that the plug (5 a) further comprises a rubber ring (5 a 4), and the rubber ring (5 a 4) is arranged at the outer ring of the bottom end of the draft tube (5 a 3).
7. The drainage system of a steel girder box passenger footbridge as claimed in claim 4, wherein the plug (5 a) further comprises a first fixing ring (5 a 5), the first fixing ring (5 a 5) is arranged at the joint of the top end inside the first through pipe (5 a 1), the bearing seat (5 b) further comprises a second fixing ring (5 b 6), and the second fixing ring (5 b 6) is arranged at the joint of the bottom end inside the second through pipe (5 b 1).
8. The drainage system of a steel beam box passenger foot bridge of claim 1, further comprising a fixing device (5 c), wherein the fixing device (5 c) comprises a rotating pipe (5 c 1), a butting ring (5 c 2) and a second limiting ring (5 c 3), the top end of the outer circumferential surface of the third pipe (5 b 2) is further provided with threads, the rotating pipe (5 c 1) is rotatably arranged on the third pipe (5 b 2) through the threads, the butting ring (5 c 2) is coaxially arranged at the top end of the rotating pipe (5 c 1), the second limiting ring (5 c 3) is coaxially arranged on the first through pipe (5 a 1), and the inner diameter of the butting ring (5 c 2) is smaller than the outer diameter of the second limiting ring (5 c 3) and larger than the outer diameter of the first through pipe (5 a 1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010025108.1A CN110983963A (en) | 2020-01-10 | 2020-01-10 | Drainage system of steel beam box passenger foot bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010025108.1A CN110983963A (en) | 2020-01-10 | 2020-01-10 | Drainage system of steel beam box passenger foot bridge |
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| Publication Number | Publication Date |
|---|---|
| CN110983963A true CN110983963A (en) | 2020-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010025108.1A Pending CN110983963A (en) | 2020-01-10 | 2020-01-10 | Drainage system of steel beam box passenger foot bridge |
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| CN (1) | CN110983963A (en) |
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Application publication date: 20200410 |