Surface layer accumulated water treatment device at expansion joint

Abstract

The utility model discloses a surface layer accumulated water treatment device at an expansion joint. The surface layer accumulated water treatment device comprises a concrete bridge deck pavement layer, an asphalt pavement layer, a blind ditch, ground cloth, a drainage mechanism and the expansion joint, the asphalt pavement layer is located on the top of the concrete bridge deck pavement layer, the ground cloth is located on the two sides of the asphalt pavement layer and the concrete pavement layer, and a blind ditch is formed in the end, close to the ground cloth, of the asphalt pavement layer. A plurality of gravels are arranged in the blind ditch; the drainage mechanism is mounted at one end of the blind ditch; the expansion joint is located on one side of the asphalt pavement layer, and the drainage mechanism is connected to the expansion joint. The drainage mechanism comprises a shell, a drainage grate, a reducer pipe and a drainage pipe; the drainage grate is fixedly installed on the shell, and the shell is fixed to one end of the blind ditch through sealant. The reducer pipe is connected to the end, away from the drainage grate, of the shell. One end of the drainage pipe is connected to the reducer pipe. According to the utility model, seepage water on the pavement can be discharged, accumulated water at the junction of concrete and asphalt at the expansion joint is prevented, the dryness of the pavement is ensured, and the safety is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of expansion joint place drainage, and particularly relates to a surface layer accumulated water treatment device at expansion joint. BACKGROUND

[0002] During the construction of the expansion joint of the municipal bridge, the concrete is poured on both sides of the expansion joint, and the thickness of the poured concrete is greater than the thickness of the asphalt pavement layer of the bridge deck, so that the asphalt on the road surface seeps to the bottom of the asphalt and flows to the expansion joint position and is blocked by the expansion joint, further causing accumulated water at the intersection of the concrete and the asphalt at the expansion joint, and even causing icing in winter, which affects the driving safety.

[0003] After searching, the prior art with the announcement number CN211200064U is a bridge asphalt pavement layer lower guiding drainage system, which comprises a bridge body, a bridge pier and an asphalt pavement layer on the top of the bridge, the asphalt pavement layer is fixedly connected with the anti-collision wall on both sides, the bottom of the anti-collision wall is fixedly connected with the asphalt pavement layer on the upper surface of the bridge body, the asphalt pavement layer is provided with expansion joints that cross the bridge deck at every interval, the expansion joint divides a section of the asphalt pavement layer into two sections with different heights according to the longitudinal slope, four cast iron drainage channels are arranged at the four corners of the expansion joint on both sides close to the two anti-collision walls, the top of the cast iron drainage channel is provided with a cast iron drainage grate, the cast iron drainage channel is sleeved with a cast iron drainage pipe sleeve, and the cast iron drainage channel is connected with a variable-diameter tee joint pipe below; the treatment process has the following shortcomings: the spiral wire-wrapped water seepage pipe is not fixed during the laying process, which is easy to cause deviation during the laying process, causes a gap between the spiral wire-wrapped water seepage pipe and the tee joint pipe, and causes water leakage; and when the rainwater volume is too large, the rainwater flows back into the spiral wire-wrapped water seepage pipe, thereby affecting the drainage of the water seepage.

[0004] After searching, the prior art with the announcement number CN215668996U is a bridge expansion joint drainage structure suitable for a water-permeable road surface; horizontal drainage pipes are arranged on both sides of the bridge expansion joint; a plurality of longitudinal drainage pipes are arranged between the two horizontal drainage pipes; the longitudinal drainage pipes are connected by expansion joints at the expansion joint positions; the longitudinal pipes are communicated with the two horizontal pipes; and the two ends of the two horizontal pipes are respectively communicated with the water collecting wells; the treatment process has the following shortcomings: a large number of longitudinal pipes and horizontal pipes need to be laid to guide the water seepage of the road surface, the horizontal pipes are directly laid in the asphalt during the laying process, and the laying of the asphalt easily blocks the drainage holes in the horizontal drainage pipes, further affecting the drainage efficiency. SUMMARY

[0005] The utility model aims at overcoming the defects in the prior art, and provides a surface layer accumulated water treatment device at expansion joint, which can prevent accumulated water at the intersection of the concrete and the asphalt at the expansion joint, ensure the dryness of the road surface, and improve the safety.

[0006] To achieve the above object, the utility model adopts the technical scheme of:

[0007] A kind of expansion joint place surface layer water treatment device, including concrete bridge deck pavement, asphalt pavement, blind ditch, ground wrap, drainage mechanism, expansion joint;The asphalt pavement is located concrete bridge deck pavement top, ground wrap is located asphalt pavement and concrete pavement two sides, and asphalt pavement is equipped with blind ditch at ground wrap one end;Blind ditch is equipped with several broken stones inside, and drainage mechanism is installed at blind ditch one end;Expansion joint is located asphalt pavement side, and drainage mechanism is connected on expansion joint.

[0008] The drainage mechanism includes shell, drainage grate, reducing pipe and drain pipe;Drainage grate is fixedly installed on shell, and shell is fixed at blind ditch one end by sealing glue;Reducing pipe is connected at the end of shell far from drainage grate;One end of drain pipe is connected on reducing pipe, and the other end passes through the gap between box girder and abutment;Drain pipe is led to bridge.

[0009] One side of the shell is equipped with support mechanism;Support mechanism is connected between shell and expansion joint;Support mechanism includes support frame, telescopic rod, flange I, flange II, fixed plate and buckle;Support frame is fixed on the side wall of shell by bolt;Telescopic rod is fixed at one end of support frame, and the other end is equipped with flange I;Flange II is fixed on flange I by bolt, fixed plate is fixed on flange II, and buckle is fixed on fixed plate and connected on the reinforcement of expansion joint by bolt.

[0010] The telescopic rod includes threaded rod, threaded sleeve and handle;Threaded rod is equipped with a pair, and the threaded direction of the two is opposite, threaded rod is fixed on support frame and flange I respectively, threaded sleeve is located between the pair of threaded rods, and both ends are connected on corresponding threaded rod by thread respectively;Handle is fixed on threaded sleeve.

[0011] Fixed mechanism is equipped on the drain pipe, and the reinforcement on expansion joint is connected at both ends of fixed mechanism;Fixed mechanism includes connecting rod, clamping plate, mounting plate, plug-in plate and fixing bolt;Connecting rod is equipped with mounting plate at both ends, and the inside of mounting plate is equipped with 'T' shaped groove;Plug-in plate is equipped with 'T' shaped plate at both ends, and plug-in plate is connected in 'T' shaped groove of mounting plate by 'T' shaped plate, fixing bolt passes through mounting plate and plug-in plate, and plug-in plate and mounting plate are fixed;Clamping plate is fixed at the middle position of connecting rod, and clamping plate clamps drain pipe.

[0012] Buckle is equipped on the drain pipe, and clamping plate is equipped with clamping groove inside, and buckle is engaged in clamping groove.

[0013] The inside bottom of shell and drainage grate is lower than the bottom of blind ditch.

[0014] Annular sealing gaskets are provided at the connection between the outer shell and the reducing pipe, as well as at the connection between the reducing pipe and the drain pipe.

[0015] The advantages of this utility model compared with the prior art are as follows:

[0016] 1) First, fix the outer shell and drainage grate to the blind ditch of the asphalt pavement layer with sealant. Then connect the reducer and the drainage pipe in sequence. Road seepage water flows through the drainage grate into the outer shell, then through the reducer into the drainage pipe, and then out through the drainage pipe. This can prevent water accumulation at the junction of concrete and asphalt at the expansion joint; keep the road surface dry and improve safety.

[0017] 2) The outer shell and drainage grate are fixed to one end of the blind ditch, and the inside of the blind ditch contains a large amount of gravel, which will not cause blockage of the drainage grate during asphalt paving and concrete pouring.

[0018] 3) First, fix the support frame to the outer shell with bolts. Then, adjust the length of the telescopic rod so that the end of the telescopic rod away from the support frame is locked to the steel bar of the expansion joint with a buckle. This supports and fixes the outer shell and drainage grate, preventing the outer shell and drainage grate from shifting during the pouring process. Attached Figure Description

[0019] Appendix Figure 1 This is a schematic diagram of the structure of a surface water treatment device for expansion joints according to this utility model;

[0020] Appendix Figure 2 This is a schematic diagram of the overall structure of a surface water treatment device for expansion joints according to this utility model;

[0021] Appendix Figure 3 This is a schematic diagram of the fixing mechanism in a surface water treatment device for expansion joints according to this utility model;

[0022] Appendix Figure 4 This is a schematic diagram of the drainage mechanism in a surface water treatment device for expansion joints according to this utility model.

[0023] Appendix Figure 5 It is attached Figure 4 A magnified structural diagram of part A in the diagram;

[0024] Appendix Figure 6 This is a schematic diagram of the blind drain in a surface water treatment device for expansion joints according to this utility model;

[0025] In the figure: 1, concrete bridge deck pavement layer; 2, asphalt pavement layer; 201, blind ditch; 3, ground wadding; 4, drainage mechanism; 401, shell; 402, drainage grate; 403, reducing pipe; 404, drain pipe; 4041, clamping plate; 5, supporting mechanism; 501, supporting frame; 502, telescopic rod; 5021, threaded rod; 5022, threaded sleeve; 5023, handle; 503, flange I; 504, flange II; 505, fixed plate; 506, buckle; 6, fixing mechanism; 601, connecting rod; 602, clamping plate; 6021, clamping groove; 603, mounting plate; 604, plug-in plate; 605, fixing bolt; 7, expansion joint. DETAILED DESCRIPTION

[0026] For the convenience of persons skilled in the art to understand, the following will be combined with the accompanying drawings Figures 1-6 The technical scheme of the utility model is further specifically explained.

[0027] A kind of expansion joint place surface layer water treatment device, including concrete bridge deck pavement layer 1, asphalt pavement layer 2, blind ditch 201, ground wadding 3, drainage mechanism 4, expansion joint 7;The asphalt pavement layer 2 is located concrete bridge deck pavement layer 1 top, ground wadding 3 is located asphalt pavement layer 2 and concrete bridge deck pavement layer 1 two sides, and asphalt pavement layer 2 is equipped with blind ditch 201 at one end close to ground wadding 3;Blind ditch 201 inside is equipped with several gravel, and drainage mechanism 4 is installed at one end of blind ditch 201;Expansion joint 7 is located at one side of asphalt pavement layer 2, and drainage mechanism 4 is connected on expansion joint 7.

[0028] The drainage mechanism 4 includes shell 401, drainage grate 402, reducing pipe 403, drain pipe 404;Drainage grate 402 is fixedly installed on shell 401, and shell 401 is fixed at one end of blind ditch 201 by sealing glue;Reducing pipe 403 is connected at one end of shell 401 away from drainage grate 402;Drain pipe 404 is connected at one end on reducing pipe 403, and the other end is passed by the gap between box girder and abutment;Drain pipe 404 is led to bridge;First, shell 401 and drainage grate 402 are fixed at blind ditch 201 of asphalt pavement layer 2 by sealing glue, then reducing pipe 403 and drain pipe 404 are connected in sequence;Road surface seepage is along blind ditch 201 and passes through drainage grate 402 and enters shell 401, then passes through reducing pipe 403 and flows into drain pipe 404, then is discharged by drain pipe 404, and the water accumulation at the intersection of concrete and asphalt at expansion joint can be appeared, to ensure that road surface is dry, and improve safety.

[0029] The support mechanism 5 is connected between the shell 401 and the expansion joint 7; the support mechanism 5 comprises a support frame 501, an expansion rod 502, a flange I 503, a flange II 504, a fixed plate 505 and a buckle 506; the support frame 501 is fixed on the side wall of the shell 401 by bolts; one end of the expansion rod 502 is fixed on the support frame 501, and the other end is provided with the flange I 503; the flange II 504 is fixed on the flange I 503 by bolts, the fixed plate 505 is fixed on the flange II 504, the buckle 506 is fixed on the fixed plate 505 and connected to the steel bars of the expansion joint 7 by bolts; first, the support frame 501 is fixed on the shell 401 by bolts, then the length of the expansion rod 502 is adjusted, so that the end of the expansion rod 502 away from the support frame 501 is locked to the steel bars of the expansion joint 7 by the buckle 506, thereby supporting and fixing the shell 401 and the drain grate 402, preventing the shell 401 and the drain grate 402 from deviating during pouring.

[0030] The expansion rod 502 comprises a threaded rod 5021, a threaded sleeve 5022 and a handle 5023; the threaded rod 5021 is provided with a pair of opposite threaded directions, and is fixed on the support frame 501 and the flange I 503 respectively; the threaded sleeve 5022 is located between the pair of threaded rods 5021 and is connected to the corresponding threaded rods 5021 by threads at both ends; the handle 5023 is fixed on the threaded sleeve 5022; rotating the handle 5023 drives the threaded sleeve 5022 to rotate, and the threaded sleeve 5022 drives the threaded rod 5021 to move through threads, thereby realizing the expansion and contraction of the expansion rod 502.

[0031] The drain pipe 404 is provided with a fixing mechanism 6, and the fixing mechanism 6 is connected to the steel bars on the expansion joint 7 at both ends; the fixing mechanism 6 comprises a connecting rod 601, a clamping plate 602, a mounting plate 603, a plug-in plate 604 and a fixing bolt 605; the connecting rod 601 is provided with the mounting plate 603 at both ends, the mounting plate 603 is provided with a "T" shaped slot inside, the plug-in plate 604 is provided with a "T" shaped plate at both ends, the plug-in plate 604 is connected to the "T" shaped slot of the mounting plate 603 through the "T" shaped plate, and the fixing bolt 605 passes through the mounting plate 603 and the plug-in plate 604 and fixes the plug-in plate 604 and the mounting plate 603; the clamping plate 602 is fixed at the middle position of the connecting rod 601 and clamps the drain pipe 404; the mounting plate 603 at both ends of the connecting rod 601 is placed at the steel bars, then the plug-in plate 604 is plugged into the mounting plate 603 and fixed by the fixing bolt, and at the same time the clamping plate 602 can clamp and fix the drain pipe 404.

[0032] The drainage pipe 404 is provided with a clamping plate 4041, the clamping plate 4041 is clamped in a clamping groove 6021 in the clamping plate 602, and the drainage pipe 404 can be prevented from moving along the clamping plate 602.

[0033] The bottom of the shell 401 and the inside of the drainage grate 402 is lower than the bottom of the blind ditch 201, so that the road surface water can be ensured to flow into the drainage pipe 404 through the blind ditch 201 and be discharged.

[0034] The connection between the shell 401 and the reducing pipe 403 and the connection between the reducing pipe 403 and the drainage pipe 404 are provided with annular sealing pads, so that water leakage at the connection can be prevented.

[0035] The working process of the water treatment device for the surface layer of the expansion joint is as follows: first, the shell 401 and the drainage grate 402 are fixed in the blind ditch 201 of the asphalt paving layer 2 through sealing glue, and then the reducing pipe 403 and the drainage pipe 404 are connected in sequence; the road surface water flows into the shell 401 through the drainage grate 402 along the blind ditch 201, and then flows into the drainage pipe 404 through the reducing pipe 403, and then is discharged through the drainage pipe 404, so that the road surface can be ensured to be dry and the safety can be improved; then the support frame 501 is fixed on the shell 401 through bolts, and then the length of the expansion rod 502 is adjusted, so that the end of the expansion rod 502 away from the support frame 501 is locked on the steel bar of the expansion joint 7 through the buckle 506, so that the shell 401 and the drainage grate 402 are supported and fixed, and the shell 401 and the drainage grate 402 are prevented from being deviated during the pouring process.

[0036] The above content is only an example and description of the structure of the utility model, and the skilled in the art can make various modifications or supplements or adopt similar ways to replace the described specific embodiments, as long as the modifications or supplements or replacements do not deviate from the structure of the utility model or exceed the scope defined by the present application, and should belong to the protection scope of the utility model.

Claims

1. A device for treating water accumulation at a joint, comprising a concrete bridge deck pavement, an asphalt pavement, a blind drain, a geotextile, a drainage mechanism, a joint; characterized in that Asphalt The asphalt pavement layer is located on top of the concrete pavement layer, the geotextile is located on both sides of the asphalt pavement layer and the concrete pavement layer, and the asphalt pavement layer is provided with a blind drain at one end close to the geotextile; a plurality of gravels are arranged in the blind drain, and a drainage mechanism is arranged at one end of the blind drain; a expansion joint is arranged on one side of the asphalt pavement layer, and the drainage mechanism is connected to the expansion joint. The drainage mechanism comprises a shell, a drainage grate, a reducing pipe and a drainage pipe; the drainage grate is fixedly arranged on the shell, and the shell is fixed at one end of the blind drain through sealing glue; the reducing pipe is connected to the end of the shell away from the drainage grate; one end of the drainage pipe is connected to the reducing pipe, and the other end passes through the gap between the box girder and the abutment.

2. The water accumulation treatment device for a surface layer at an expansion joint according to claim 1, characterized in that A supporting mechanism is arranged on one side of the shell, and the supporting mechanism is connected between the shell and the expansion joint; the supporting mechanism comprises a supporting frame, an expansion rod, a flange I, a flange II, a fixed plate and a buckle; the supporting frame is fixed on the side wall of the shell through bolts; one end of the expansion rod is fixed on the supporting frame, and the other end is provided with the flange I; the flange II is fixed on the flange I through bolts, the fixed plate is fixed on the flange II, and the buckle is fixed on the fixed plate and connected to the steel bars of the expansion joint through bolts.

3. The water accumulation treatment device for a surface layer at an expansion joint according to claim 2, characterized in that The expansion rod comprises a threaded rod, a threaded sleeve and a handle; the threaded rod is provided with a pair of rods, the threaded directions of the rods are opposite, the threaded rods are respectively fixed on the supporting frame and the flange I, the threaded sleeve is located between the pair of threaded rods, and the two ends of the threaded sleeve are respectively connected to the corresponding threaded rods through threads; and the handle is fixed on the threaded sleeve.

4. The water accumulation treatment device for a surface layer at an expansion joint according to claim 1, characterized by A fixing mechanism is arranged on the drainage pipe, and the two ends of the fixing mechanism are connected to the steel bars of the expansion joint; the fixing mechanism comprises a connecting rod, a clamping plate, a mounting plate, a plug-in plate and fixing bolts; the mounting plate is arranged at the two ends of the connecting rod, the mounting plate is internally provided with a "T"-shaped slot, the plug-in plate is provided with a "T"-shaped plate at the two ends, the plug-in plate is connected to the "T"-shaped slot of the mounting plate through the "T"-shaped plate, the fixing bolts pass through the mounting plate and the plug-in plate, and the plug-in plate and the mounting plate are fixed; the clamping plate is fixed at the middle position of the connecting rod, and the clamping plate clamps the drainage pipe.

5. The water accumulation treatment device for a surface layer at an expansion joint according to claim 1, characterized by A clamping plate is arranged on the drainage pipe, and a clamping groove is arranged in the clamping plate, and the clamping plate is clamped in the clamping groove.

6. The water accumulation treatment device for a surface layer at an expansion joint according to claim 1, characterized by The bottom of the shell and the drainage grate is lower than the bottom of the blind drain.

7. The water accumulation treatment device for a surface layer at an expansion joint according to claim 1, characterized by Annular sealing pads are arranged at the connection between the shell and the reducing pipe and the connection between the reducing pipe and the drainage pipe.

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