CN109868733B - Comb-shaped bridge expansion joint plate structure and comb-shaped expansion joint cleaning device thereof - Google Patents
Comb-shaped bridge expansion joint plate structure and comb-shaped expansion joint cleaning device thereof Download PDFInfo
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- CN109868733B CN109868733B CN201910205437.1A CN201910205437A CN109868733B CN 109868733 B CN109868733 B CN 109868733B CN 201910205437 A CN201910205437 A CN 201910205437A CN 109868733 B CN109868733 B CN 109868733B
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Abstract
The invention discloses a comb-shaped bridge expansion joint plate structure and a comb-shaped expansion joint cleaning device thereof, and mainly relates to the technical field of bridges. Comprises a fixed comb plate, a movable comb plate, a water stop and a stainless steel plate; the air inlets are formed in the fixed comb plate and the movable comb plate, and air outlets communicated with the air inlets are formed in the lower portion of the tail end of the fixed comb teeth and the lower portion of the tail end of the movable comb teeth. The comb-shaped bridge expansion joint cleaning device applicable to the comb-shaped bridge expansion joint plate structure comprises a chassis, a blowing mechanism and a dust collecting and filtering mechanism. The invention has the beneficial effects that: through further improving the comb-shaped bridge expansion joint plate structure, and the use of the comb-shaped bridge expansion joint cleaning device applicable to the improved comb-shaped bridge expansion joint plate structure, each independent joint cavity of the comb-shaped bridge expansion joint can be automatically and efficiently cleaned.
Description
Technical Field
The invention relates to the technical field of bridges, in particular to a comb-shaped bridge expansion joint plate structure and a comb-shaped expansion joint cleaning device thereof.
Background
A bridge expansion joint is defined as an expansion joint between two beam ends, between a beam end and an abutment, or at a hinge joint of a bridge, in order to meet the requirement of deformation of a bridge deck. The expansion joint is required to be freely telescopic in two directions parallel to and perpendicular to the axis of the bridge, and the expansion joint is firm and reliable, and when a vehicle runs, the vehicle is smooth and free of sudden jump and noise; it is necessary to prevent rainwater and soil infiltration and blocking of garbage. At the position of the expansion joint, the handrail and the bridge deck pavement are disconnected. The bridge expansion joints function to accommodate displacements and couplings between the superstructure caused by vehicle loads and bridge building materials. Once the telescopic device of the skew bridge is damaged, the speed, the comfort and the safety of the vehicle are seriously influenced, and even the vehicle safety accident is caused.
The comb-shaped steel plate expansion device is generally used for medium and large bridges by taking steel plates as seam crossing materials, and is characterized in that embedded steel bars and edge protecting steel plates at two ends of an embedded steel plate fixing beam are used at a broken seam, and then the edge protecting steel plates are connected with the comb-shaped steel plates by high-strength bolts, so that the comb-shaped steel plates are fixed at two sides of the broken seam, and displacement and deformation of the broken seam are realized through gaps of comb teeth.
Particulate matters or dirt can easily fall into the expansion joint, especially in the areas with vegetation deficiency and large wind sand. Particulate matter or filth generally directly fall into the gap bottom, and these particulate matter or filth can influence the use at expansion joint, need regularly clear up particulate matter or filth in the expansion joint, but comb teeth shape bridge expansion joint interval sets up, and single seam chamber is independent and the area is little, keeps apart between the adjacent seam chamber, hardly carries out high-efficient clearance.
Disclosure of Invention
The invention aims to provide a comb-shaped bridge expansion joint plate structure and a comb-shaped expansion joint cleaning device thereof, which can automatically and efficiently clean each independent seam cavity of the comb-shaped bridge expansion joint by further improving the comb-shaped bridge expansion joint plate structure and using the comb-shaped bridge expansion joint cleaning device suitable for the improved comb-shaped bridge expansion joint plate structure.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a comb-tooth-shaped bridge expansion joint plate structure comprises a fixed comb plate, a movable comb plate, a water stop belt and a stainless steel plate, wherein fixed comb teeth are arranged on the fixed comb plate, movable comb teeth are arranged on the movable comb plate, the fixed comb teeth and the movable comb teeth are matched in a staggered mode, the fixed comb teeth and the movable comb teeth are staggered to form a tooth-shaped bridge expansion joint, the stainless steel plate and the water stop belt are located at the bottoms of the fixed comb plate and the movable comb plate, and two sides of the water stop belt are arranged at the end portions of two bridges; the air inlets are formed in the fixed comb plate and the movable comb plate, and air outlets communicated with the air inlets are formed in the lower portion of the tail end of the fixed comb teeth and the lower portion of the tail end of the movable comb teeth.
And track grooves are formed in the two sides of the air inlet on the fixed comb plate and the two sides of the air inlet on the movable comb plate.
The tooth groove bottom of the fixed comb plate and the tooth groove bottom of the movable comb plate are both arc groove bottoms.
The side wall of the air inlet, which is far away from one side of the tooth-shaped bridge expansion joint, is a cambered surface groove wall.
The comb-shaped bridge expansion joint cleaning device suitable for the comb-shaped bridge expansion joint plate structure comprises a chassis, an air blowing mechanism and a dust collecting and filtering mechanism; the bottom of the chassis is provided with a strip-shaped air blowing opening corresponding to the air inlet, the bottom of the chassis is also provided with a dust suction opening corresponding to the tooth-shaped bridge expansion joint, the top of the chassis is provided with a fan cover communicated with the strip-shaped air blowing opening, and the top of the fan cover is provided with a fan cover opening; the top of the chassis is also provided with a dust hood communicated with the dust suction port, and the top of the dust hood is provided with a dust hood port; the blowing mechanism is a double-air-port blower, and two air ports of the double-air-port blower are respectively communicated with the air cover ports on the two sides through a soft ventilation pipe; the dust collection and filtration mechanism comprises a suction fan and a dust filtration box, the dust filtration box is arranged at the top of the chassis, a dust air inlet is formed in the side part of the dust filtration box, the dust air inlet is communicated with a dust collection cover opening through a dust conveying hose, an openable door is arranged at the front end of the dust filtration box, a dust filtration net and a fresh air outlet are formed in the dust filtration box, and the fresh air outlet is communicated with a fan opening of the suction fan.
The dust filtering net comprises a coarse filtering net inside the dust filtering box and a fine filtering net at the fresh air outlet.
Elastic sealing rubber gaskets are arranged around the strip-shaped air blowing port and the dust collection port.
The bottom of the chassis is provided with a sliding rail which is in sliding connection with the rail groove in a matching mode, the front end of the sliding rail is provided with a small air opening, and the small air opening is communicated with the interior of the fan cover.
The chassis is equipped with the fixed column all around, be equipped with the spring chamber in the fixed column, the spring intracavity is equipped with reset spring, fixed column one side is equipped with the slide opening, sliding connection has the wheel carrier on the slide opening, the wheel carrier top is equipped with the slide of arranging the spring intracavity in, the wheel carrier bottom is equipped with the walking wheel, the fixed column top is equipped with the screw, threaded connection has the regulation double-screw bolt on the screw.
Still articulated on the chassis have the push rod, the push rod end is equipped with the hand (hold).
Compared with the prior art, the invention has the beneficial effects that:
through further improving comb tooth shape bridge expansion joint plate structure: air inlets are formed in the fixed comb plate and the movable comb plate, and air outlets communicated with the air inlets are formed below the tail ends of the fixed comb teeth and below the tail ends of the movable comb teeth;
and the use of comb-shaped bridge expansion joint cleaning device suitable for improving the back comb-shaped bridge expansion joint plate structure: the blowing mechanism blows air to the air inlet, the blown air flows into the air outlet from the air inlet, so that particles or dirt in the air inlet, the air outlet and the expansion joint are lifted, and then the dust absorption and filtration mechanism sucks out and filters the lifted particles or dirt under negative pressure;
through the operation, each independent gap cavity of the comb-shaped bridge expansion joint can be automatically and efficiently cleaned.
Drawings
FIG. 1 is a schematic diagram of the expansion joint plate structure of a comb-shaped bridge according to the present invention.
FIG. 2 is a schematic cross-sectional view of a comb-shaped bridge expansion joint plate of the invention.
FIG. 3 is a schematic structural view of the cleaning device for expansion joints of comb-shaped bridges in the invention.
FIG. 4 is a schematic structural view of a comb-shaped bridge expansion joint cleaning device after a soft ventilation pipe and a dust conveying hose are hidden in the device.
FIG. 5 is a schematic structural view of a comb-shaped bridge expansion joint cleaning device after a soft ventilation pipe and a dust conveying hose are hidden in the device.
FIG. 6 is a schematic side view of the cleaning device for the expansion joint of the comb-shaped bridge after the soft ventilation pipe and the dust conveying hose are hidden.
FIG. 7 is a schematic side view of the comb-shaped bridge expansion joint cleaning device with the hidden soft ventilation pipe and dust conveying hose in the invention when the position moves.
FIG. 8 is a schematic view of the dust box of the present invention.
FIG. 9 is a schematic structural view of the connection mode between the fixing post and the wheel carrier.
Reference numerals shown in the drawings:
1. fixing the comb plate; 2. a movable comb plate; 3. a water stop; 4. a stainless steel plate; 5. fixing comb teeth; 6. movable comb teeth; 7. an air inlet; 8. an air outlet; 9. a track groove; 10. the bottom of the cambered groove; 11. a cambered surface groove wall; 12. a chassis; 13. a strip-shaped air blowing opening; 14. a dust suction port; 15. a fan housing; 16. a hood opening; 17. a dust hood; 18. a dust collection cover opening; 19. a double-air-port blower; 20. a soft vent pipe; 21. a suction fan; 22. a dust filtering box; 23. a dust wind inlet; 24. a dust conveying hose; 25. the door can be opened and closed; 26. a fresh air outlet; 27. coarse filtration; 28. fine filtering net; 29. an elastic sealing rubber mat; 30. a slide rail; 31. a small tuyere; 32. fixing a column; 33. a spring cavity; 34. a return spring; 35. a slide hole; 36. a wheel carrier; 37. a slide plate; 38. a traveling wheel; 39. a screw hole; 40. adjusting the stud; 41. a push rod; 42. a handle; 43. and (4) a ventilation air duct.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.
The invention relates to a comb-shaped bridge expansion joint plate structure and a comb-shaped expansion joint cleaning device thereof.
For a comb-shaped bridge expansion joint plate structure:
the main body structure comprises a fixed comb plate 1, a movable comb plate 2, a water stop belt 3 and a stainless steel plate 4, wherein fixed comb teeth 5 are arranged on the fixed comb plate 1, movable comb teeth 6 are arranged on the movable comb plate 2, the fixed comb teeth 5 are matched with the movable comb teeth 6 in a staggered manner, the fixed comb teeth 5 and the movable comb teeth 6 form a toothed bridge expansion joint after being staggered, the stainless steel plate 4 and the water stop belt 3 are positioned at the bottoms of the fixed comb plate 1 and the movable comb plate 2, and two sides of the water stop belt 3 are arranged at the end parts of two bridges; above for current comb teeth shape bridge expansion joint plate structure characteristic, this design contrast in prior art has done following improvement:
all be equipped with air intake 7 on fixed fishback 1, the activity fishback 2, 5 terminal below of fixed broach, 6 terminal below of activity broach all are equipped with the air outlet 8 with air intake 7 intercommunication. The air inlet 7 can flow out from the air outlet 8 through the ventilation air duct 43 when air enters, so that particles or dirt in the air inlet 7, the air outlet 8 and the expansion joint can be lifted.
Both sides of the air inlet 7 on the fixed comb plate 1 and both sides of the air inlet 7 on the movable comb plate 2 are provided with track grooves 9. Be equipped with on the cleaning device with track groove 9 adapted sliding connection's slide rail 30, when using cleaning device to clear up particulate matter or filth, be used for leading cleaning device's orbit.
The bottom of the tooth groove of the fixed comb plate 1 and the bottom of the tooth groove of the movable comb plate 2 are both arc groove bottoms 10. It is through setting up to cambered surface tank bottom 10, and the wind that 8 air outlets blown out can be with the smooth raising of particulate matter or filth in the expansion joint, and the particulate matter or the filth of avoiding in the expansion joint are blown to the tooth's socket tank bottom and can not be raised, influence clearance effect.
The side wall of the air inlet 7, which is far away from one side of the tooth-shaped bridge expansion joint, is an arc groove wall 11. The setting of cambered surface cell wall 11 is for making particulate matter or filth in the air intake 7 can be convenient fall between air intake 7 and the wind channel 43 along cambered surface cell wall 11, blow into the wind channel 43 with it that can be convenient when blowing to air intake 7 in, finally blow into in the expansion joint and clear up.
For comb-shaped bridge expansion joint cleaning device:
the comb-shaped bridge expansion joint cleaning device suitable for the comb-shaped bridge expansion joint plate structure comprises a chassis 12, a blowing mechanism and a dust collecting and filtering mechanism; the bottom of the chassis 12 is provided with a strip-shaped air blowing port 13 corresponding to the air inlet 7, the bottom of the chassis 12 is also provided with a dust suction port 14 corresponding to the tooth-shaped bridge expansion joint, the top of the chassis 12 is provided with a fan cover 15 communicated with the strip-shaped air blowing port 13, and the top of the fan cover 15 is provided with a fan cover port 16; the top of the chassis 12 is also provided with a dust hood 17 communicated with the dust suction port 14, and the top of the dust hood 17 is provided with a dust hood port 18; the blowing mechanism is a double-air-port blower 19, and two air ports of the double-air-port blower 19 are respectively communicated with the air cover ports 16 on two sides through a soft ventilation pipe 20; dust absorption and filtration dirt mechanism includes suction fan 21, dust filter box 22 sets up at chassis 12 top, dust filter box 22 lateral part is equipped with dirt wind import 23, dirt wind import 23 is through defeated dirt hose 24 and dust absorption cover mouth 18 intercommunication, dust filter box 22 front end is equipped with the door 25 that can open and shut, dust filter box 22 is last to be equipped with dust screen and clean air outlet 26, clean air outlet 26 communicates with the fan mouth of suction fan 21. The double-air-port blower 19 blows air into the soft ventilation pipe 20, the air flow enters the air cover 15 from the soft ventilation pipe 20 and then enters the air inlet 7 from the air cover 15, the air flow entering the air inlet 7 blows particles or dirt in the air inlet 7 into the ventilation air duct 43 and finally into the expansion joint, the particles or dirt in the expansion joint are lifted, under the action of the suction force of the suction fan 21, the lifted particles or dirt are sucked into the dust conveying hose 24 from the dust suction cover port 18 and then finally into the dust filtering box 22, the particles or dirt sucked into the dust filtering box 22 are filtered by the dust filtering net, the particles or dirt can be filtered in the dust filtering box 22, and clean air flows out from the clean air outlet 26 and then is discharged to the outside from the outlet of the suction fan 21. The dust absorption and filtration mechanism sucks out and filters raised particles or dirt under negative pressure through the structural principle, and automatically and efficiently cleans each independent seam cavity of the comb-shaped bridge expansion joint.
The dust screen comprises a coarse screen 27 inside the dust box 22 and a fine screen 28 at the fresh air outlet 26. The coarse filter screen 27 filters large particles or dirt for the first time, and the fine filter screen 28 at the fresh air outlet 26 filters smaller particles or dirt for the second time.
Elastic sealing rubber pads 29 are arranged around the strip-shaped air blowing port 13 and the dust suction port 14. The elastic sealing rubber mat 29 can seal the strip-shaped air blowing port 13, the dust suction port 14 and the upper surface of the fixed comb plate 1 or the movable comb plate 2, so that air leakage is avoided, and the cleaning effect is improved.
The bottom of the chassis 12 is provided with a slide rail 30 which is in sliding connection with the rail groove 9, the front end of the slide rail 30 is provided with a small air opening 31, and the small air opening 31 is communicated with the inside of the fan cover 15. Slide rail 30 on the cleaning device suits with track groove 9, when using cleaning device to clear up particulate matter or filth, is used for leading cleaning device's orbit. The small air opening 31 can blow and clean particles or dirt in the rail groove 9.
The chassis 12 is provided with fixing columns 32 on the periphery, a spring cavity 33 is arranged in each fixing column 32, a return spring 34 is arranged in each spring cavity 33, a sliding hole 35 is formed in one side of each fixing column 32, a wheel carrier 36 is connected onto each sliding hole 35 in a sliding mode, a sliding plate 37 arranged in each spring cavity 33 is arranged at the top of each wheel carrier 36, walking wheels 38 are arranged at the bottom of each wheel carrier 36, screw holes 39 are formed in the tops of the fixing columns 32, and adjusting studs 40 are connected onto the screw holes 39 in a threaded mode. The height of the road wheels 38 can be adjusted by adjusting the length of the adjustment studs 40 within the spring cavities 33. When the device is used for cleaning expansion joints, the adjusting stud 40 is adjusted to the position state shown in figure 6 in the attached drawing of the specification, namely, the sliding rail 30 is ensured to be placed in the rail groove 9 while the traveling wheels 38 are kept in surface contact with the fixed comb plate 1 or the movable comb plate 2; after the device is used, the adjusting stud 40 is adjusted to the position shown in the figure 7 in the specification, and the walking wheels 38 keep the sliding rail 30 from contacting the bottom surface after contacting the ground, so that the device is convenient to move.
A push rod 41 is further hinged to the chassis 12, and a handle 42 is arranged at the tail end of the push rod 41. The handle 42 is held by hand, and the movement of the device can be conveniently controlled through the push rod 41.
In conclusion, through further improvement of the comb-shaped bridge expansion joint plate structure and the use of the comb-shaped bridge expansion joint cleaning device applicable to the improved comb-shaped bridge expansion joint plate structure, each independent joint cavity of the comb-shaped bridge expansion joint can be automatically and efficiently cleaned.
Claims (10)
1. The comb-tooth-shaped bridge expansion joint plate structure comprises a fixed comb plate (1), a movable comb plate (2), a water stop belt (3) and a stainless steel plate (4), wherein fixed comb teeth (5) are arranged on the fixed comb plate (1), movable comb teeth (6) are arranged on the movable comb plate (2), the fixed comb teeth (5) are matched with the movable comb teeth (6) in a staggered manner, the fixed comb teeth (5) and the movable comb teeth (6) are staggered to form the tooth-shaped bridge expansion joint, the stainless steel plate (4) and the water stop belt (3) are arranged at the bottoms of the fixed comb plate (1) and the movable comb plate (2), and two sides of the water stop belt (3) are arranged at the end parts of two bridges; the method is characterized in that:
all be equipped with air intake (7) on fixed fishback (1), the activity fishback (2), fixed broach (5) terminal below, activity broach (6) terminal below all are equipped with air outlet (8) with air intake (7) intercommunication.
2. The expansion joint plate structure for comb-shaped bridges of claim 1, wherein: both sides of the air inlet (7) on the fixed comb plate (1) and both sides of the air inlet (7) on the movable comb plate (2) are provided with track grooves (9).
3. The expansion joint plate structure for comb-shaped bridges of claim 1, wherein: the tooth groove bottoms of the fixed comb plate (1) and the movable comb plate (2) are cambered groove bottoms (10).
4. The expansion joint plate structure for comb-shaped bridges of claim 1, wherein: the side wall of the air inlet (7) far away from one side of the tooth-shaped bridge expansion joint is an arc groove wall (11).
5. The utility model provides a broach shape bridge expansion joint cleaning device which characterized in that: configured for cleaning a comb-shaped bridge expansion joint structure according to any one of claims 1 to 4;
comprises a chassis (12), a blowing mechanism and a dust collecting and filtering mechanism;
the bottom of the chassis (12) is provided with a strip-shaped air blowing opening (13) corresponding to the air inlet (7), the bottom of the chassis (12) is also provided with a dust suction opening (14) corresponding to the tooth-shaped bridge expansion joint, the top of the chassis (12) is provided with a fan cover (15) communicated with the strip-shaped air blowing opening (13), and the top of the fan cover (15) is provided with a fan cover opening (16); the top of the chassis (12) is also provided with a dust hood (17) communicated with the dust suction port (14), and the top of the dust hood (17) is provided with a dust hood port (18);
the blowing mechanism is a double-air-port blower (19), and two air ports of the double-air-port blower (19) are respectively communicated with the air cover ports (16) on the two sides through a soft ventilation pipe (20); dust absorption dust filtering mechanism includes suction fan (21), dust filtering box (22) set up at chassis (12) top, dust filtering box (22) lateral part is equipped with dirt wind import (23), dirt wind import (23) are through defeated dirt hose (24) and dust absorption cover mouth (18) intercommunication, dust filtering box (22) front end is equipped with door (25) that can open and shut, be equipped with dust screen and clear air export (26) on dust filtering box (22), clear air export (26) and the fan mouth intercommunication of suction fan (21).
6. The device for cleaning the expansion joint of the comb-shaped bridge as claimed in claim 5, wherein: the dust filter screen comprises a coarse filter screen (27) inside the dust filter box (22) and a fine filter screen (28) at a clean air outlet (26).
7. The device for cleaning the expansion joint of the comb-shaped bridge as claimed in claim 5, wherein: elastic sealing rubber mats (29) are arranged around the strip-shaped air blowing port (13) and the dust collection port (14).
8. The device for cleaning the expansion joint of the comb-shaped bridge as claimed in claim 5, wherein: the air-conditioning fan is characterized in that a sliding rail (30) which is in sliding connection with the rail groove (9) in a matching mode is arranged at the bottom of the base plate (12), a small air opening (31) is formed in the front end of the sliding rail (30), and the small air opening (31) is communicated with the interior of the fan cover (15).
9. The device for cleaning the expansion joint of the comb-shaped bridge as claimed in claim 5, wherein: the chassis (12) is equipped with fixed column (32) all around, be equipped with spring chamber (33) in fixed column (32), be equipped with reset spring (34) in spring chamber (33), fixed column (32) one side is equipped with slide opening (35), sliding connection has wheel carrier (36) on slide opening (35), wheel carrier (36) top is equipped with slide (37) of arranging in spring chamber (33), wheel carrier (36) bottom is equipped with walking wheel (38), fixed column (32) top is equipped with screw hole (39), threaded connection has adjusting stud (40) on screw hole (39).
10. The device for cleaning the expansion joint of the comb-shaped bridge as claimed in claim 5, wherein: the chassis (12) is also hinged with a push rod (41), and the tail end of the push rod (41) is provided with a handle (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910205437.1A CN109868733B (en) | 2019-03-18 | 2019-03-18 | Comb-shaped bridge expansion joint plate structure and comb-shaped expansion joint cleaning device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910205437.1A CN109868733B (en) | 2019-03-18 | 2019-03-18 | Comb-shaped bridge expansion joint plate structure and comb-shaped expansion joint cleaning device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109868733A CN109868733A (en) | 2019-06-11 |
| CN109868733B true CN109868733B (en) | 2020-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910205437.1A Expired - Fee Related CN109868733B (en) | 2019-03-18 | 2019-03-18 | Comb-shaped bridge expansion joint plate structure and comb-shaped expansion joint cleaning device thereof |
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| CN (1) | CN109868733B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114319094A (en) * | 2022-01-07 | 2022-04-12 | 河北宝力工程装备股份有限公司 | Anti-tilting cleaning-free comb plate expansion device |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2895571Y (en) * | 2005-06-07 | 2007-05-02 | 刘相雷 | Telescopic-seam-lid for building engineering |
| CN201137038Y (en) * | 2007-12-28 | 2008-10-22 | 吴国庆 | Multidirectional location-changing bridge telescoping device |
| CN201520950U (en) * | 2009-10-28 | 2010-07-07 | 上海神舟汽车设计开发有限公司 | Dual type main dust collection port of road sweeper |
| DE102012219238A1 (en) * | 2012-08-31 | 2014-03-06 | Protektorwerk Florenz Maisch Gmbh & Co. Kg | joint profile |
| CN203498763U (en) * | 2013-04-11 | 2014-03-26 | 济南市公路管理局 | Bridge expansion joint cleaning device |
| CN103255736B (en) * | 2013-04-11 | 2015-09-30 | 济南市公路管理局 | A kind of bridge expansion joint cleaner |
| KR101630347B1 (en) * | 2014-05-22 | 2016-06-14 | 포인텍이앤씨(주) | Expansion jointing apparatus for a bridge with balance bar |
| CN204982644U (en) * | 2015-09-18 | 2016-01-20 | 河北省高速公路京沪管理处 | Power bridge expansion joint cleaning device |
| CN205857022U (en) * | 2016-08-08 | 2017-01-04 | 唐福军 | A kind of novel bridge expansion gap device |
| CN206477246U (en) * | 2017-01-20 | 2017-09-08 | 杨凌职业技术学院 | A kind of band cleaning comb-tooth-type bridge extension joint |
| KR101795337B1 (en) * | 2017-01-25 | 2017-11-08 | 주식회사 케이이테크 | Finger joint with a bridging cover plate |
| CN206829046U (en) * | 2017-06-12 | 2018-01-02 | 江苏四通路桥工程有限公司 | A kind of bridge beam gap cleaning equipment |
| CN206887859U (en) * | 2017-07-11 | 2018-01-16 | 河北省高速公路石安管理处 | Expansion joint descaling machine |
| CN207073095U (en) * | 2017-07-18 | 2018-03-06 | 赵占成 | A kind of bridge beam gap residue remove device with dust exhaust apparatus |
| CN207582291U (en) * | 2017-11-07 | 2018-07-06 | 河北宝力工程装备股份有限公司 | Bridge cantilever water proof and dust proof telescopic device |
| CN107974935A (en) * | 2017-12-11 | 2018-05-01 | 中国水利水电第十工程局有限公司 | A kind of SF combs flute profile telescopic device and its construction method of installation |
| CN207739204U (en) * | 2018-01-18 | 2018-08-17 | 中国重汽集团青岛重工有限公司 | A kind of double suction mouth Acetabula device of sweeping machine |
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2019
- 2019-03-18 CN CN201910205437.1A patent/CN109868733B/en not_active Expired - Fee Related
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Granted publication date: 20201120 |