CN116651797A - Precast box girder surface cleaning machine - Google Patents
Precast box girder surface cleaning machine Download PDFInfo
- Publication number
- CN116651797A CN116651797A CN202310906975.XA CN202310906975A CN116651797A CN 116651797 A CN116651797 A CN 116651797A CN 202310906975 A CN202310906975 A CN 202310906975A CN 116651797 A CN116651797 A CN 116651797A
- Authority
- CN
- China
- Prior art keywords
- plate
- workbench
- hanging
- rotating shaft
- rod
- 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.)
- Granted
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 76
- 238000007790 scraping Methods 0.000 claims abstract description 25
- 230000000903 blocking effect Effects 0.000 claims description 8
- 239000000725 suspension Substances 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- B08B1/165—
-
- B08B1/12—
-
- B08B1/30—
-
- B08B1/32—
Abstract
The invention relates to the technical field of cleaning, and discloses a prefabricated box girder surface cleaning machine which comprises a workbench, a rotary cleaning mechanism and a scraping mechanism; the rotary cleaning mechanism comprises a first rotating shaft which is rotatably connected with the middle part of the workbench, and a cleaning head which synchronously rotates with the first rotating shaft is arranged on one side of the first rotating shaft, which is close to the ground; the scraping mechanism comprises a push plate which is connected to the end part of the workbench in a sliding manner, a sliding rod is connected to the middle part of the push plate in a sliding manner, one end of the sliding rod, which is far away from the workbench, is fixedly connected with a hanging plate, one side, which is far away from the workbench, of the hanging plate is provided with a rotating seat, and the rotating seat is rotationally connected with one side, which is far away from the ground, of the scraping plate. The invention is suitable for a prefabricated box girder surface cleaning machine, the cleaning machine can effectively clean the surface of the prefabricated box girder, and the scraping plate can avoid hard bulges which cannot be treated, so that the damage of the cleaning machine is avoided.
Description
Technical Field
The invention relates to the technical field of cleaning, in particular to a prefabricated box girder surface cleaning machine.
Background
The box girder of the reinforced concrete structure is divided into a prefabricated box girder and a cast-in-situ box girder. The box girder combined bridge girder erection machine prefabricated on the independent site can be erected after the lower engineering is completed, so that the engineering progress can be accelerated, and the construction period can be saved. However, the prefabricated box girder is stored outdoors after the prefabricated box girder is manufactured, and the long-time storage can cause that pollutants are attached to the surface of the prefabricated box girder and the prefabricated box girder needs to be cleaned.
The prefabricated box girder is bigger, so cleaning machines are needed to clean, some cleaning machines can only clean floating ash on the ground, and the conventional cleaning machines have poor cleaning effect on pollutants with larger adhesive force, so that the cleaning machines need to be improved.
Disclosure of Invention
The invention provides a prefabricated box girder surface cleaning machine, which solves the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a prefabricated box girder surface cleaning machine comprises a workbench, a rotary cleaning mechanism and a scraping mechanism;
the rotary cleaning mechanism comprises a first rotating shaft which is rotatably connected with the middle part of the workbench, and a cleaning head which synchronously rotates with the first rotating shaft is arranged on one side of the first rotating shaft, which is close to the ground;
the scraping mechanism comprises a push plate which is connected to the end part of a workbench in a sliding manner, a sliding rod is connected to the middle part of the push plate in a sliding manner, one end of the sliding rod, which is far away from the workbench, is fixedly connected with a hanging plate, one side, which is far away from the workbench, of the hanging plate is provided with a rotating seat, one side, which is far away from the ground, of a scraping plate is connected with a limiting rod in a sliding manner, one end of the limiting rod is provided with a locking plate which keeps the scraping plate in a vertical state, a tension spring which drives the locking plate to move towards the hanging plate is arranged between the locking plate and the hanging plate, a triangular jacking block which drives the locking plate to move towards the hanging plate is arranged on the push plate, one side, which is far away from the ground, of the scraping plate is provided with a guide inclined plane matched with the locking plate, a reciprocating driving assembly which drives the push plate to move is arranged on the workbench, the end part of the second rotating shaft is provided with a rotating disc, the outer edge of the rotating disc is connected with one end of a supporting rod in a rotating manner, and the other end of the supporting rod is connected with the push plate in a rotating manner.
As a preferable technical scheme of the invention, one end of the workbench, which is close to the hanging plate, is provided with a blocking block matched with the scraping plate.
As a preferable technical scheme of the invention, the first rotating shaft is provided with a driving gear which is meshed with a driven gear, and the driven gear is fixedly connected with the second rotating shaft.
As a preferable technical scheme of the invention, one end of the first rotating shaft, which is close to the ground, is provided with a fixed disc, the outer edge of the fixed disc is provided with a hanging frame, one side, which is close to the ground, of the hanging frame is fixedly connected with the outer wall of a limiting ring, the inside of the limiting ring is connected with a hanging rod in a penetrating way, one end, which is close to the ground, of the hanging rod is connected with a cleaning head, one end, which is far away from the ground, of the hanging rod is fixedly connected with a baffle rod, and the baffle rod is arranged between two adjacent hanging frames.
As a preferable technical scheme of the invention, the inside of the limiting ring is of a conical structure, and the middle part of the hanging rod is provided with a ball joint matched with the inner wall of the limiting ring.
As a preferable technical scheme of the invention, the workbench is provided with a driving motor, an output shaft of the driving motor is fixedly connected with a first bevel gear, the first bevel gear is in meshed connection with a second bevel gear, and the second bevel gear is fixedly connected with the end part of the first rotating shaft.
The invention has the following advantages:
the invention is suitable for a prefabricated box girder surface cleaning machine, and the scraper blade can rotate to avoid after encountering hard protrusions through the cooperation of the scraper blade rotating left and right and the locking plate moving up and down, so that the cleaning machine can effectively clean the surface of the prefabricated box girder, and the scraper blade can avoid hard protrusions which cannot be treated, thereby avoiding the damage of the cleaning machine.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a prefabricated box girder surface cleaning machine.
Fig. 2 is an elevation view of a precast box girder surface cleaning machine.
Fig. 3 is a schematic structural view of a rotary cleaning mechanism in a precast box girder surface cleaning machine.
Fig. 4 is a schematic structural view of a scraping mechanism in a precast box girder surface cleaning machine.
Fig. 5 is an elevation view of a scraping mechanism in a precast box girder surface cleaning machine.
Fig. 6 is a schematic view of the cooperation of the scraper and the locking plate in the prefabricated box girder surface cleaning machine.
Fig. 7 is a front view of fig. 6.
In the figure: 1. a work table; 2. support legs; 3. a pull rod; 4. a rotary cleaning mechanism; 5. a scraping mechanism; 6. a first rotating shaft; 7. a fixed plate; 8. a hanging frame; 9. a limiting ring; 10. a ball joint; 11. a gear lever; 12. a hanging rod; 13. a cleaning head; 14. a driving motor; 15. a second bevel gear; 16. a first bevel gear; 17. a second rotating shaft; 18. a rotating disc; 19. a support rod; 20. a scraper; 21. a hanging plate; 22. a guide rod; 23. a fixing plate; 24. a slide bar; 25. a spring; 26. a reciprocating drive assembly; 27. a drive gear; 28. a driven gear; 29. a push plate; 30. a chute; 31. triangular ejector blocks; 32. a limit rod; 33. a tension spring; 34. a locking plate; 35. a guide slope; 36. a blocking piece; 37. and a rotating seat.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In one embodiment, referring to fig. 1-7, a prefabricated box girder surface cleaning machine comprises a workbench 1, wherein the workbench 1 is horizontally arranged, supporting legs 2 are arranged at four corners of the lower surface of the workbench 1, casters are arranged at the lower ends of the supporting legs 2, the workbench 1 can be supported by the supporting legs 2, a pull rod 3 is arranged at the right end of the workbench 1, and the whole cleaning machine is driven to move by the pull rod 3, and the cleaning machine further comprises a rotary cleaning mechanism 4 and a scraping mechanism 5;
the rotary cleaning mechanism 4 comprises a first rotating shaft 6 which is rotatably connected to the middle part of the workbench 1, the first rotating shaft 6 is vertically arranged at the center of the workbench 1, a cleaning head 13 which rotates synchronously with the first rotating shaft 6 is arranged below the first rotating shaft 6, and bristles are arranged on the lower surface of the cleaning head 13, so that the cleaning head 13 can clean the surface of the prefabricated box girder through the bristles in the rotating process;
the scraping mechanism 5 comprises a push plate 29 which is connected to the left end of the workbench 1 in a sliding way, a left-right oriented chute 30 is arranged in the middle of the left side of the workbench 1, the chute 30 is connected with the push plate 29 in a sliding way, the push plate 29 can slide left and right in the chute 30, the middle of the push plate 29 is connected with the middle of a left-right oriented sliding rod 24 in a sliding way, the left end of the sliding rod 24 is fixedly connected with a vertically arranged suspension plate 21, the left side of the suspension plate 21 is provided with a rotating seat 37, the rotating seat 37 is rotationally connected with the upper right side of the scraping plate 20, when the supporting leg 2 below the workbench 1 is contacted with the ground, the lower end of the scraping plate 20 is just slightly higher than the upper surface of a prefabricated box girder, therefore, when the whole cleaner moves, scraping cleaning can be realized by the scraping plate 20 after encountering a bulge, the front side and the rear side above the suspension plate 21 are connected with vertically arranged limiting rods 32 in a sliding way, the upper end of the limit lever 32 is fixedly connected to the front and rear sides of the lower surface of the locking plate 34, a tension spring 33 is provided between the locking plate 34 and the hanging plate 21, the tension spring 33 pulls the locking plate 34 to move downward, so that when the left side of the locking plate 34 is attached to the upper surface of the scraper 20, the scraper 20 is in a vertical state, the scraper 20 rotates around the rotating seat 37 only after the locking plate 34 is detached from the scraper 20, a triangular top block 31 is provided on the left side of the upper end of the push plate 29, the upper left side of the triangular top block 31 is inclined, so that when the hanging plate 21 moves to the rightmost side, the right end of the locking plate 34 above the hanging plate 21 contacts with the inclined surface of the triangular top block 31, and at this time, the locking plate 34 moves upward along with the triangular top block 31, so that the locking plate 34 is detached from the scraper 20, that is, when the hanging plate 21 moves to a state close to the push plate 29, the scraper 20 can rotate freely, and a guide slope 35 is provided on the right side of the upper end of the blade 20, that is, when the blade 20 rotates clockwise, the guide slope 35 on the blade 20 contacts the left end of the locking plate 34, so that the locking plate 34 is lifted, and when the blade 20 rotates clockwise to a vertical state, the locking plate 34 falls on the upper end of the blade 20, thereby realizing the effect of locking the angle of the blade 20.
In one case of this embodiment, the blocking blocks 36 are disposed on the front and rear sides of the left end of the lower surface of the table 1, the blocking blocks 36 have an L-shaped structure, and when the suspension board 21 drives the scraper 20 to move rightward, the lower right side of the scraper 20 contacts with the left end of the blocking blocks 36, so that the scraper 20 is pushed to rotate clockwise by the blocking blocks 36, so that the scraper 20 can be restored to a vertical state. And fixed plates 23 are arranged at the front and rear ends of the upper surface of the workbench 1, the middle part of the fixed plate 23 is connected with a left-right oriented guide rod 22 in a sliding manner, and the left end of the guide rod 22 is fixedly connected with the front and rear ends of the right side of the hanging plate 21.
In one case of the present embodiment, the table 1 is provided with a reciprocating drive assembly 26 for driving the push plate 29 to move left and right. The reciprocating driving assembly 26 comprises a second rotating shaft 17 vertically arranged on the right side of the workbench 1, the second rotating shaft 17 can rotate relative to the workbench 1, the upper end of the second rotating shaft 17 is fixedly connected with a rotating disc 18, the upper outer edge of the rotating disc 18 is connected with the right end of a supporting rod 19 in a rotating mode, the left end of the supporting rod 19 is connected with the right side of a push plate 29 in a rotating mode, and therefore the rotating disc 18 can push the push plate 29 to move left and right through the supporting rod 19 when the rotating disc 18 rotates. The driving gear 27 is arranged below the first rotating shaft 6, the driving gear 27 is in meshed connection with the driven gear 28, the driven gear 28 is fixedly connected with the second rotating shaft 17, that is to say, the first rotating shaft 6 and the second rotating shaft 17 can synchronously rotate, the driving motor 14 is arranged at the rear side of the upper surface of the workbench 1, an output shaft of the driving motor 14 is fixedly connected with the first bevel gear 16, the first bevel gear 16 is in meshed connection with the second bevel gear 15, and the second bevel gear 15 is fixedly connected with the upper end of the first rotating shaft 6.
In one case of this embodiment, the lower end of the first rotating shaft 6 is fixedly connected with a fixing disc 7 which is horizontally arranged, the outer side of the fixing disc 7 is fixedly connected with the upper end of a hanging frame 8, the lower end of the hanging frame 8 is fixedly connected with the outer wall of a limiting ring 9, the limiting ring 9 is in a ring structure, the inside of the limiting ring 9 is in a conical structure, a hanging rod 12 which faces up and down is arranged in the inside of the limiting ring 9, the lower end of the hanging rod 12 is fixedly connected with a cleaning head 13, the upper end of the hanging rod 12 is fixedly connected with the middle parts of two baffle rods 11 which are arranged in a mutually crossing way, that is to say, the upper end of the hanging rod 12 is fixedly connected with the middle parts of the two baffle rods 11 in a crossing way, four hanging frames 8 are arranged in the middle part of the cleaning machine, the hanging frames 8 are uniformly distributed relative to the center of the fixing disc 7, and the baffle rod 11 is arranged between two adjacent hanging frames 8, so when the first rotating shaft 6 rotates, the hanging frames 8 can drive the baffle rod 11 to rotate, so that the cleaning head 13 below synchronously rotates, and as the middle part of the limiting ring 9 is in a hollow state, the hanging rod 12 can move up and down and can incline, that is, the cleaning head 13 can be stuck to the surface of the prefabricated box girder under the action of gravity to perform cleaning treatment, after the cleaning head 13 encounters the bulge of the prefabricated box girder, the cleaning head 13 can be lifted upwards to avoid, and in order to enable the hanging rod 12 to better skew, a ball joint 10 can be arranged in the middle part of the hanging rod 12, and the ball joint 10 can roll on the conical surface inside the limiting ring 9, so that the cleaning head 13 can better incline to avoid the bulge.
In the implementation process, after the prefabricated box girder is transported to a construction site, the surface of the prefabricated box girder needs to be cleaned, at the moment, the cleaning machine is hoisted to the surface of the prefabricated box girder, the driving motor 14 is started, the driving motor 14 drives the first rotating shaft 6 to rotate through the first bevel gear 16 and the second bevel gear 15 which are in meshed connection, the first rotating shaft 6 enables the cleaning head 13 below to rotate, and an operator holds the pull rod 3 to drive the cleaning machine to move on the surface of the prefabricated box girder to perform cleaning treatment.
When the cleaning machine works, the cleaning machine moves leftwards, the first rotating shaft 6 rotates the second rotating shaft 17 through the cooperation of the driving gear 27 and the driven gear 28, the second rotating shaft 17 pulls the push plate 29 to move leftwards and rightwards through the rotating disc 18 and the supporting rod 19, firstly, when the push plate 29 moves leftwards, the push plate 29 can meet the surface bulge of the prefabricated box girder, if the bulge of sundries is poor in adhesion force, the sundries can be scraped off when the scraper 20 moves leftwards along with the push plate 29, after the hard bulges such as some reinforcing steel bars on the surface of the prefabricated box girder are met, the scraper 20 stops moving after meeting the bulges, the push plate 29 continuously moves leftwards, the spring 25 is compressed, the distance between the scraper 20 and the push plate 29 is gradually reduced, when the triangular ejector block 31 at the left end of the push plate 29 is contacted with the locking plate 34, the locking plate 34 is lifted, the scraper 20 rotates anticlockwise, so that the lower end of the scraper 20 is tilted to pass the protrusions, when the push plate 29 moves rightwards, the push plate 29 drives the scraper 20 to move rightwards, at this time, the scraper 20 is in an inclined state, when the lower right side of the scraper 20 is contacted with the blocking block 36, the scraper 20 rotates clockwise due to the continuous rightwards movement of the scraper 20, the guide inclined surface 35 at the upper end of the scraper 20 is contacted with the locking plate 34, the locking plate 34 is pushed upwards again, after the clockwise rotating rod of the scraper 20 is in a vertical state, the locking plate 34 is restored to be pressed against the upper end of the scraper 20, at this time, the scraper 20 is restored to an initial state, therefore, the left and right movement of the push plate 29 can drive the scraper 20 to move leftwards and rightwards, when the protrusions of sundries are encountered, the scraper 20 can directly scrape the sundries, when the protrusions of the hard objects are encountered, the scraper 20 can incline to avoid, and with the movement of the cleaner, the cleaning head 13 at the middle part of the cleaning machine can be in contact with the surface of the prefabricated box girder, the cleaning head 13 rotating at a high speed can clean the prefabricated box girder, and after encountering some hard protrusions, the cleaning head 13 can be directly lifted to avoid the hard protrusions, sundries originally attached to the surface of the prefabricated box girder are cleaned into a floating ash state, and then the sundries can be blown away through clear water or high-pressure gas, so that the whole cleaning work is completed.
The invention is suitable for a prefabricated box girder surface cleaning machine, and the scraper 20 can rotate to avoid after encountering hard protrusions through the cooperation of the scraper 20 rotating left and right and the locking plate 34 moving up and down, so that the cleaning machine can effectively clean the surface of the prefabricated box girder, the scraper 20 can avoid hard protrusions which cannot be treated, and the damage of the cleaning machine is avoided.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in 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.
Claims (6)
1. The prefabricated box girder surface cleaning machine is characterized by comprising a workbench, a rotary cleaning mechanism and a scraping mechanism;
the rotary cleaning mechanism comprises a first rotating shaft which is rotatably connected with the middle part of the workbench, and a cleaning head which synchronously rotates with the first rotating shaft is arranged on one side of the first rotating shaft, which is close to the ground;
the scraping mechanism comprises a push plate which is connected to the end part of a workbench in a sliding manner, a sliding rod is connected to the middle part of the push plate in a sliding manner, one end of the sliding rod, which is far away from the workbench, is fixedly connected with a hanging plate, one side, which is far away from the workbench, of the hanging plate is provided with a rotating seat, one side, which is far away from the ground, of a scraping plate is connected with a limiting rod in a sliding manner, one end of the limiting rod is provided with a locking plate which keeps the scraping plate in a vertical state, a tension spring which drives the locking plate to move towards the hanging plate is arranged between the locking plate and the hanging plate, a triangular jacking block which drives the locking plate to move towards the hanging plate is arranged on the push plate, one side, which is far away from the ground, of the scraping plate is provided with a guide inclined plane matched with the locking plate, a reciprocating driving assembly which drives the push plate to move is arranged on the workbench, the end part of the second rotating shaft is provided with a rotating disc, the outer edge of the rotating disc is connected with one end of a supporting rod in a rotating manner, and the other end of the supporting rod is connected with the push plate in a rotating manner.
2. The precast box girder surface cleaning machine of claim 1, wherein the end of the work table near the suspension plate is provided with a blocking block matched with the scraping plate.
3. The precast beam surface cleaning machine according to claim 1, wherein the first rotating shaft is provided with a driving gear, the driving gear is engaged with a driven gear, and the driven gear is fixedly connected with the second rotating shaft.
4. The precast box girder surface cleaning machine according to claim 1, wherein one end of the first rotating shaft, which is close to the ground, is provided with a fixed disc, the outer edge of the fixed disc is provided with a hanging frame, one side, which is close to the ground, of the hanging frame is fixedly connected with the outer wall of a limiting ring, the inside of the limiting ring is connected with a hanging rod in a penetrating manner, one end, which is close to the ground, of the hanging rod is connected with a cleaning head, one end, which is far away from the ground, of the hanging rod is fixedly connected with a baffle rod, and the baffle rod is arranged between two adjacent hanging frames.
5. The precast box girder surface cleaning machine according to claim 4, wherein the inside of the limit ring is of a conical structure, and a ball joint matched with the inner wall of the limit ring is arranged in the middle of the suspension rod.
6. The precast box girder surface cleaning machine according to claim 1, wherein a driving motor is arranged on the workbench, an output shaft of the driving motor is fixedly connected with a first bevel gear, the first bevel gear is in meshed connection with a second bevel gear, and the second bevel gear is fixedly connected with the end part of the first rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310906975.XA CN116651797B (en) | 2023-07-24 | 2023-07-24 | Precast box girder surface cleaning machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310906975.XA CN116651797B (en) | 2023-07-24 | 2023-07-24 | Precast box girder surface cleaning machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116651797A true CN116651797A (en) | 2023-08-29 |
| CN116651797B CN116651797B (en) | 2023-10-03 |
Family
ID=87717308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310906975.XA Active CN116651797B (en) | 2023-07-24 | 2023-07-24 | Precast box girder surface cleaning machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116651797B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001055684A (en) * | 1999-08-17 | 2001-02-27 | Daiwabo Co Ltd | Scraper device for beltlike material |
| CN112030841A (en) * | 2020-08-26 | 2020-12-04 | 安徽远上建筑工程有限公司 | New forms of energy road cleaning equipment is used in municipal administration |
| CN113089550A (en) * | 2021-04-19 | 2021-07-09 | 李黔 | Electric cleaning vehicle |
| CN115041438A (en) * | 2022-08-12 | 2022-09-13 | 山东高强紧固件有限公司 | Bridge bolt surface cleaning equipment |
| CN116289720A (en) * | 2023-02-20 | 2023-06-23 | 山东省路桥集团有限公司 | Bridge expansion joint cleaning machine |
| CN116446324A (en) * | 2023-05-26 | 2023-07-18 | 承德石油高等专科学校 | Building site road silt clearance car |
-
2023
- 2023-07-24 CN CN202310906975.XA patent/CN116651797B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001055684A (en) * | 1999-08-17 | 2001-02-27 | Daiwabo Co Ltd | Scraper device for beltlike material |
| CN112030841A (en) * | 2020-08-26 | 2020-12-04 | 安徽远上建筑工程有限公司 | New forms of energy road cleaning equipment is used in municipal administration |
| CN113089550A (en) * | 2021-04-19 | 2021-07-09 | 李黔 | Electric cleaning vehicle |
| CN115041438A (en) * | 2022-08-12 | 2022-09-13 | 山东高强紧固件有限公司 | Bridge bolt surface cleaning equipment |
| CN116289720A (en) * | 2023-02-20 | 2023-06-23 | 山东省路桥集团有限公司 | Bridge expansion joint cleaning machine |
| CN116446324A (en) * | 2023-05-26 | 2023-07-18 | 承德石油高等专科学校 | Building site road silt clearance car |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116651797B (en) | 2023-10-03 |
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