CN110552280A - Cleaning equipment for repairing bridge construction expansion joint with miscellaneous and clear inner joint pointing - Google Patents
Cleaning equipment for repairing bridge construction expansion joint with miscellaneous and clear inner joint pointing Download PDFInfo
- Publication number
- CN110552280A CN110552280A CN201910910079.4A CN201910910079A CN110552280A CN 110552280 A CN110552280 A CN 110552280A CN 201910910079 A CN201910910079 A CN 201910910079A CN 110552280 A CN110552280 A CN 110552280A
- Authority
- CN
- China
- Prior art keywords
- expansion joint
- joint
- pointing
- scraper
- bridge construction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
- E01C23/08—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for roughening or patterning; for removing the surface down to a predetermined depth high spots or material bonded to the surface, e.g. markings; for maintaining earth roads, clay courts or like surfaces by means of surface working tools, e.g. scarifiers, levelling blades
- E01C23/085—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for roughening or patterning; for removing the surface down to a predetermined depth high spots or material bonded to the surface, e.g. markings; for maintaining earth roads, clay courts or like surfaces by means of surface working tools, e.g. scarifiers, levelling blades using power-driven tools, e.g. vibratory tools
- E01C23/088—Rotary tools, e.g. milling drums
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
- E01H1/08—Pneumatically dislodging or taking-up undesirable matter or small objects; Drying by heat only or by streams of gas; Cleaning by projecting abrasive particles
- E01H1/0809—Loosening or dislodging by blowing ; Drying by means of gas streams
- E01H1/0818—Loosening or dislodging by blowing ; Drying by means of gas streams in apparatus with mechanical loosening or feeding instruments, e.g. brushes, scrapers
Abstract
The invention discloses cleaning equipment for repairing a bridge construction expansion joint with miscellaneous inner joint pointing. Has the advantages that: the invention utilizes the stroking structure to realize that operators can adjust the length of the pipeline according to the independent desire, so that operators with different heights can clean the expansion joint, the agglomerates of the expansion joint are cleaned in a scraping way under the action of the triangular cone through rotation, the scraped dust is blown and overturned outwards under the action of blowing, the extension scraper moves outwards under the centrifugal action of rotation, and the extensible space around the cleaned position moves outwards, so that the dust at the innermost position of the expansion joint is scraped, and the scraped dust is adsorbed by the adsorption airflow, and the triangular cone is of a magnetic structure, so that the adsorption treatment on a larger metal piece mixed in the inner part is carried out, and the innermost clean treatment of the expansion joint is ensured.
Description
Technical Field
The invention relates to the field of cleaning equipment, in particular to cleaning equipment for repairing a bridge construction expansion joint with a miscellaneous and clear inner joint pointing.
Background
It is required in order to satisfy the bridge floor deformation that the bridge expansion joint is its, the expansion joint that sets up between two beam ends, because of it is the structure comparatively complicated, it installs between two beam ends and when putting into use, often there are stone and dust to cover inside the expansion joint, and under long-time pile up the effect, it is full of impurity to lead to the expansion joint inner space to be filling, thereby it makes this bridge expansion joint work appear unusually to lead to the unable normal use of this expansion joint, so need do the cleanness of unscheduled to it through cleaning equipment, in order to ensure the normal use of this expansion joint.
However, because the filler is mainly sprayed out under the action of strong air flow through air spraying under the action of traditional cleaning equipment, the dust in the innermost part of the expansion joint cannot be treated to a greater extent due to the complex structure and narrow gap of the expansion joint of the bridge under the action of air spraying, and the metal part is easily mixed with the filler in the expansion joint under the action of external force factors when the filler is positioned in the inner part of the expansion joint, so that the metal part in the expansion joint can jump under the action of touch vibration when a vehicle passes through the expansion joint, and the expansion joint is polished.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a cleaning device for repairing a bridge construction expansion joint with a sharp inner joint, which aims to solve the defect that in the prior art, under the action of the traditional cleaning device, the filler is mainly sprayed out under the action of strong air flow through air spraying, and under the action of air spraying, the filler positioned at the innermost part of the expansion joint is easy to be mixed with metal parts under the action of external force factors at the inner part of the expansion joint due to the complex structure and narrow gap of the bridge expansion joint, so that the dust at the innermost part cannot be treated to a greater extent, and the metal parts in the expansion joint can bounce under the action of the vibration of touch when a vehicle passes through the expansion joint, thereby polishing the expansion joint.
In order to achieve the purpose, the invention is realized by the following technical scheme:
A cleaning device for repairing an expansion joint in bridge construction with inner joint pointing impurity cleaning structurally comprises a vehicle bottom plate, moving wheels, a pushing handle, a transmission case, a driving motor, a double-air case and a joint pointing cleaning device, the four moving wheels are respectively arranged at four corners of the lower surface of the vehicle bottom plate, the pushing handle is arranged at the left side of the vehicle bottom plate and is connected with the vehicle bottom plate through electric welding, the transmission case is connected with the driving motor and is arranged on the upper surface of the vehicle bottom plate, the double-air case is connected with the driving motor, the pointing cleaning device is connected with the double air tanks and comprises a telescopic knotting pipe, a stroking structure, a pointing mechanism and a rotary sleeve, the stroking structure is arranged on the outer surface of the telescopic tube and connected with the outer surface of the telescopic tube in a sleeved mode, the stitching mechanism is arranged on the lower surface of the telescopic tube and located on the lower surface of the stroking structure, and the rotary sleeve is arranged in the middle of the stitching mechanism and connected with the stitching mechanism in a sleeved mode.
As a further scheme of the invention, the telescopic joint pipe is internally provided with a double-pipe structure, the air flow in one pipe is in an air blowing state, and the air flow in the other pipe is in an adsorption structure, so that different treatments on sundries on the inner side of the expansion joint can be realized.
As a further scheme of the invention, the stroking structure comprises a buckle frame, a limiting spring and a pushing handle, wherein the buckle frame is connected with the telescopic tube through gluing, the limiting spring is arranged on the upper surface of the buckle frame and is connected through electric welding, and the pushing handle is symmetrically arranged on the outer surface of the buckle frame and is connected through electric welding, so that the length of the telescopic tube can be automatically adjusted by an operator.
According to a further scheme of the invention, the seam cleaning mechanism comprises scraping plates, rectangular frames, grooves, limiting rods, extension scraping plates, matching blocks and solid balls, wherein the rectangular frames are provided with five parts which are respectively installed in the middle of the scraping plates in a uniform and equidistant manner and connected with a rotating sleeve, the grooves are oppositely arranged on the inner and outer edges of the rectangular frames, the limiting rods are provided with five parts which are respectively installed in the rectangular frames and connected with the extension scraping plates, the matching blocks are arranged in groups in pairs and respectively installed on the left sides of the extension scraping plates and connected through electric welding, and the solid balls are arranged in groups of four and are respectively installed in gaps between the rectangular frames and the extension scraping plates, so that the innermost gaps of the hooked seams can be cleaned.
As a further scheme of the invention, the mesh grooves are formed at the connecting part of the rotating sleeve and the rectangular frame, which is favorable for realizing the circulation of air flow.
As a further scheme of the invention, the lower surfaces of the scraper and the extension scraper are respectively provided with a triangular cone, the lower bottoms of the triangular cones are hollowed out, airflow in the scraper is blown out outwards, and airflow in the extension scraper is in an adsorption state, so that the impurities in the expansion joint can be further cleaned.
As a further scheme of the invention, the triangular cone arranged at the lower bottom of the extension scraper is of a magnetic structure, which is beneficial to realizing the adsorption of metal parts and part of dust and stones.
Advantageous effects of the invention
Compared with the traditional cleaning equipment for repairing the expansion joint in bridge construction, the invention has the following beneficial effects:
The invention utilizes the stroking structure to realize that operators can adjust the length of the pipeline according to the autonomous will, so that the operators with different heights can clean the expansion joint conveniently.
The invention utilizes the arranged seam cleaning mechanism to scrape and clean the caking part of the expansion joint under the action of the triangular cone through rotation, and simultaneously blows and turns over scraped dust to the outside under the action of blowing so as to prevent the dust from scattering at the inner side of the expansion joint again.
The invention uses the extending scraper to move outwards under the action of rotating centrifugation and move outwards to the extensible space around the cleaned position, so as to scrape the dust at the innermost position of the expansion joint, and meanwhile, the scraped dust is further adsorbed under the action of the adsorption air flow, and the triangular cone is of a magnetic structure, so that the adsorption treatment is carried out on the larger metal piece mixed in the inner part, and the clean treatment of the innermost side of the expansion joint is ensured.
Drawings
Other features, objects and advantages of the invention will become more apparent from a reading of the detailed description of non-limiting embodiments with reference to the attached drawings.
In the drawings:
Fig. 1 is a schematic structural view of the cleaning equipment for repairing the bridge construction expansion joint with miscellaneous and clear inner joint pointing.
FIG. 2 is a schematic view of a front view of a cross-section of the pointing cleaning device of the present invention.
Fig. 3 is a front view structural schematic diagram of the stroking structure of the invention.
FIG. 4 is a schematic view of the interior of the suturing mechanism of the present invention from above.
fig. 5 is an enlarged view of a structure in fig. 4.
FIG. 6 is a left side view of the rectangular frame of the present invention.
in the figure: the device comprises a vehicle bottom plate-1, moving wheels-2, a pushing handle-3, a transmission case-4, a driving motor-5, a double air box-6, a pointing cleaning device-7, a telescopic connecting pipe-7 a, a stroking structure-7 b, a stitching mechanism-7 c, a rotary sleeve-7 d, a buckling frame-7 b1, a limiting spring-7 b2, a pushing handle-7 b3, a scraping plate-7 c1, a rectangular frame-7 c2, a groove-7 c3, a limiting rod-7 c4, a delaying scraping plate-7 c5, a matching block-7 c6, a solid ball-7 c7, a grid groove-x and a triangular cone-e.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 6, the present invention provides a technical solution of a cleaning device for repairing a bridge construction expansion joint with a miscellaneous inner pointing:
As shown in fig. 2-4, the cleaning device for repairing the bridge construction expansion joint with the inner and outer joints cleaned comprises a vehicle bottom plate 1, a moving wheel 2, a pushing handle 3, a transmission case 4, a driving motor 5, two air tanks 6 and a joint cleaning device 7, wherein the moving wheel 2 is provided with four wheels which are respectively arranged at four corners of the lower surface of the vehicle bottom plate 1, the pushing handle 3 is arranged at the left side of the vehicle bottom plate 1 and connected through electric welding, the transmission case 4 is connected with the driving motor 5 and arranged at the upper surface of the vehicle bottom plate 1, the two air tanks 6 are connected with the driving motor 5, the joint cleaning device 7 is connected with the two air tanks 6, the joint cleaning device 7 comprises a telescopic pipe 7a, a joint cleaning structure 7b, a sewing mechanism 7c and a rotary sleeve 7d, the joint cleaning structure 7b is arranged at the outer surface of the telescopic pipe 7a and is arranged at the lower surface of the telescopic pipe 7a and at the lower surface of the joint cleaning structure 7b, the rotary sleeve 7d is arranged in the middle of the inside of the stitching mechanism 7c and is connected with the stitching mechanism.
As shown in fig. 2-4, the telescopic connecting pipe 7a is a double-pipe structure, and the airflow in one pipe is in a blowing shape, and the airflow in the other pipe is in an adsorption structure, so that the sundries at the inner side of the expansion joint can be treated differently.
As shown in fig. 2-3, the stroking structure 7b includes a buckle frame 7b1, a limit spring 7b2, and a pushing handle 7b3, the buckle frame 7b1 is connected with the telescopic tube 7a by gluing, the limit spring 7b2 is arranged on the upper surface of the buckle frame 7b1 and is connected by electric welding, and the pushing handle 7b3 is symmetrically arranged on the outer surface of the buckle frame 7b1 and is connected by electric welding, which is beneficial for an operator to automatically adjust the length of the telescopic tube 7 a.
As shown in fig. 4-6, the clearance mechanism 7c includes a scraper 7c1, a rectangular frame 7c2, grooves 7c3, a limiting rod 7c4, an extension scraper 7c5, a matching block 7c6, and solid balls 7c7, five rectangular frames 7c2 are provided and are respectively mounted in the middle of the scraper 7c1 in a uniform and equidistant manner and connected with the rotary sleeve 7d, grooves 7c3 are provided in the opposite manner at the inner and outer edges of the rectangular frame 7c2, five limiting rods 7c4 are provided and are respectively mounted in the rectangular frame 7c2 and connected with the extension scraper 7c5, the matching blocks 7c6 are in a group of two and are respectively mounted on the left side of the extension scraper 7c5 and connected by electric welding, four solid balls 7c7 are respectively mounted between the rectangular frame 7c2 and the extension scraper 7c5, which is favorable for cleaning the innermost clearance of the hooked seams.
As shown in fig. 6, a grid groove x is formed at the connection position of the rotating sleeve 7d and the rectangular frame 7c2, which is beneficial to realizing the circulation of air flow.
As shown in fig. 6, the lower surfaces of the scraper 7c1 and the extension scraper 7c5 are both provided with triangular cones e, the bottoms of the triangular cones e are hollowed out, the air flow inside the scraper 7c1 blows out outwards, and the air flow inside the extension scraper 7c5 is in an adsorption state, so that the impurities inside the expansion joint can be further cleaned.
As shown in fig. 6, the triangular pyramid e arranged at the bottom of the extension scraper 7c5 is of a magnetic structure, which is beneficial to realizing the adsorption of metal parts and part of dust and stones.
In conclusion, the autonomous adjustment of the telescopic tube 7a by the stroking structure 7b avoids the transition fatigue of the waist of an operator during cleaning, the sewing mechanism 7c rotates under the action of the rotating sleeve 7d, so that agglomerated dust is scraped under the action of the triangular cone e and the interaction of the blowing air flow, loose dust is blown out, the extension plate 7c5 is thrown out under the centrifugal action of rotation when the surface environment has a moving space, so that dust at the innermost part of the expansion joint is scraped and loosened and sucked under the action of the adsorption air flow, and the triangular cone e arranged on the lower surface of the extension plate 7c5 is of a magnetic structure, so that larger metal parts at the innermost part of the expansion joint are adsorbed by magnetic attraction.
The specific realization principle is as follows: when using, remove equipment to bridge expansion joint department, carry out the filler of bridge expansion joint department and do and clear away, nevertheless because of it is under traditional cleaning device effect, mainly for spouting this filler under the effect of strong air current outward through the jet-propelled, and the filler that lies in the innermost inside of expansion joint is under the jet-propelled effect, because the complex construction and the clearance of this bridge expansion joint are narrower, its most inside dust then can not obtain the processing of great degree, and in the inside of this expansion joint simultaneously under the effect of external irresistible force factor, it easily is mingled with the metalwork, thereby make the vehicle when through this expansion joint, its inside metalwork then can have the effect of beating under the vibrations effect of touching, thereby polish the expansion joint.
Therefore, when the cleaning equipment is used, an operator holds the push handle 7b3 with two hands and adjusts the use length of the telescopic connecting pipe 7a according to self conditions, so that the cleaning mechanism 7c moves to the expansion joint filled with dust, the rotary sleeve 7d rotates under the power-on action of the equipment so as to drive the cleaning mechanism 7c to synchronously rotate, the filler on the surface of the expansion joint is rubbed downwards by the triangular cone e arranged on the lower surface of the scraper 7c1 under the rotation action, the agglomerated dust is loosened under the action of the rotating mechanism, and the loosened dust is blown by strong airflow under the interaction of the airflow of one pipe of the telescopic connecting pipe 7a, so that the dust is turned outwards to prevent the loosened dust from scattering in the expansion joint again.
Meanwhile, the solid ball 7c7 is in centrifugal motion and expands outwards under the action of the rotation of the scraper 7c1, so that the extension scraper 7c5 is pushed to throw out outwards, the triangular cone e arranged on the lower surface of the extension scraper 7c5 is used for further expanding and scraping dust at the inner part of the expansion joint, the lower surface of the extension scraper 7c5 is hollow, the airflow in the extension scraper 7c5 is in adsorption effect, the loosened dust is scraped in adsorption effect, the loose dust is prevented from directly staying at the innermost part of the expansion joint and cannot be further processed, the triangular cone e arranged on the lower surface of the extension scraper 7c5 is in a magnetic structure, the metal piece moving to the innermost part is adsorbed and taken out, and the metal piece inside is prevented from having the conventional jumping effect under the action of touch vibration, so that the expansion joint is polished.
The invention solves the problems that in the prior art, under the action of the traditional cleaning equipment, the filler is mainly sprayed out under the action of strong air flow by air injection, and under the action of the air injection, the filler positioned at the innermost part of an expansion joint of a bridge is easy to be mixed with metal parts under the action of external irresistible force factors at the inner part of the expansion joint because of the complex structure and narrow gap of the expansion joint of the bridge, so that the dust at the innermost part cannot be treated to a large extent, and the metal parts in the expansion joint of the bridge can easily bounce under the action of the collision vibration when a vehicle passes through the expansion joint, thereby polishing the expansion joint. The invention utilizes the seam cleaning mechanism to scrape and clean the caking part of the expansion joint under the action of the triangular cone through rotation, and simultaneously blows and turns the scraped dust outwards under the action of air blowing so as to prevent the dust from scattering at the inner side of the expansion joint again.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (4)
1. The utility model provides a miscellaneous clear bridge construction expansion joint maintenance of interior joint pointing uses cleaning equipment, its structure includes vehicle bottom board (1), removes wheel (2), pushing hands (3), transmission case (4), driving motor (5), two gas tanks (6), joint pointing cleaning device (7), its characterized in that: remove wheel (2) and be equipped with four altogether and install respectively in vehicle bottom board (1) lower surface four corners, pushing hands (3) are installed in vehicle bottom board (1) left side and are connected through the electric welding, transmission case (4) are connected and are installed in vehicle bottom board (1) upper surface with driving motor (5), two gas tanks (6) are connected in driving motor (5), pointing cleaning device (7) are connected with two gas tanks (6).
2. the cleaning equipment for repairing the bridge construction expansion joint with the miscellaneous clear inner joint pointing according to claim 1, characterized in that: pointing cleaning device (7) including stretch out and draw back binding pipe (7 a), smooth out structure (7 b), the clear mechanism of seam (7 c), rotatory cover (7 d), smooth out structure (7 b) and locate stretch out and draw back binding pipe (7 a) surface and be connected through the registrate, the clear mechanism of seam (7 c) are installed in stretch out and draw back binding pipe (7 a) lower surface and are located and smooth out and draw back structure (7 b) lower surface, rotatory cover (7 d) are located and are sewed up the interior middle part of mechanism (7 c) and rather than being connected through the registrate, stretch out and draw back binding pipe (7 a) inside be double-barrelled structure and the inside air current of the form of blowing of an air current and be adsorption structure.
3. The cleaning equipment for repairing the bridge construction expansion joint with the miscellaneous clear inner joint pointing according to claim 2, characterized in that: the stroking structure (7 b) comprises a buckling frame (7 b 1), a limiting spring (7 b 2) and a pushing handle (7 b 3), wherein the buckling frame (7 b 1) is connected with the telescopic knot tube (7 a) through gluing, the limiting spring (7 b 2) is arranged on the upper surface of the buckling frame (7 b 1) and is connected through electric welding, and the pushing handle (7 b 3) is symmetrically arranged on the outer surface of the buckling frame (7 b 1) and is connected through electric welding.
4. The cleaning equipment for repairing the bridge construction expansion joint with the miscellaneous clear inner joint pointing according to claim 2, characterized in that: the sewing and cleaning mechanism (7 c) comprises a scraper (7 c 1), a rectangular frame (7 c 2), a groove (7 c 3), a limiting rod (7 c 4), a delay scraper (7 c 5), a matching block (7 c 6) and a solid ball (7 c 7), wherein the rectangular frame (7 c 2) is provided with five parts which are respectively arranged in the middle of the scraper (7 c 1) in a uniform and equidistant manner and are connected with a rotating sleeve (7 d), the inner edge and the outer edge of the rectangular frame (7 c 2) are oppositely provided with grooves (7 c 3), the limiting rods (7 c 4) are provided with five limiting rods which are respectively arranged in the rectangular frame (7 c 2) and connected with the extension scraper (7 c 5), the matching blocks (7 c 6) are in a group of two and are respectively arranged at the left side of the extension scraper (7 c 5) and are connected by electric welding, the solid balls (7 c 7) are in a group of four and are respectively arranged in a gap between the rectangular frame (7 c 2) and the extension scraper (7 c 5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910910079.4A CN110552280B (en) | 2019-09-25 | 2019-09-25 | Cleaning equipment for repairing bridge construction expansion joint with miscellaneous and clear inner joint pointing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910910079.4A CN110552280B (en) | 2019-09-25 | 2019-09-25 | Cleaning equipment for repairing bridge construction expansion joint with miscellaneous and clear inner joint pointing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110552280A true CN110552280A (en) | 2019-12-10 |
| CN110552280B CN110552280B (en) | 2021-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910910079.4A Active CN110552280B (en) | 2019-09-25 | 2019-09-25 | Cleaning equipment for repairing bridge construction expansion joint with miscellaneous and clear inner joint pointing |
Country Status (1)
| Country | Link |
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| CN (1) | CN110552280B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111251472A (en) * | 2020-03-25 | 2020-06-09 | 何海南 | Novel track cutting concrete equipment |
| CN111501643A (en) * | 2020-04-17 | 2020-08-07 | 广东中林建筑园林工程有限公司 | Bridge construction is with clean equipment with joint pointing clearance structure |
| CN112885029A (en) * | 2021-01-25 | 2021-06-01 | 杨娟 | Alarm device for power grid equipment |
| CN112942745A (en) * | 2020-01-10 | 2021-06-11 | 鲁开龙 | Wall surface painting system and operation method thereof |
| CN115162245A (en) * | 2022-03-18 | 2022-10-11 | 宁波市政工程建设集团股份有限公司 | Road and bridge expansion joint self-propelled cleaning device for municipal works |
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| EP3101177A1 (en) * | 2015-06-04 | 2016-12-07 | Pave Tech, Inc. | Pneumatic pavement joint cleaning system and method of cleaning a surface area |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112942745A (en) * | 2020-01-10 | 2021-06-11 | 鲁开龙 | Wall surface painting system and operation method thereof |
| CN111251472A (en) * | 2020-03-25 | 2020-06-09 | 何海南 | Novel track cutting concrete equipment |
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| CN111501643A (en) * | 2020-04-17 | 2020-08-07 | 广东中林建筑园林工程有限公司 | Bridge construction is with clean equipment with joint pointing clearance structure |
| CN111501643B (en) * | 2020-04-17 | 2021-12-07 | 广东中林建筑园林工程有限公司 | Cleaning equipment with joint pointing clearance structure for bridge construction |
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| CN115162245A (en) * | 2022-03-18 | 2022-10-11 | 宁波市政工程建设集团股份有限公司 | Road and bridge expansion joint self-propelled cleaning device for municipal works |
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|---|---|
| CN110552280B (en) | 2021-06-08 |
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