CN113123257A - Old bridge hollow slab cuts with concrete chisel and removes cleaning device - Google Patents
Old bridge hollow slab cuts with concrete chisel and removes cleaning device Download PDFInfo
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- CN113123257A CN113123257A CN202110460825.1A CN202110460825A CN113123257A CN 113123257 A CN113123257 A CN 113123257A CN 202110460825 A CN202110460825 A CN 202110460825A CN 113123257 A CN113123257 A CN 113123257A
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- plate
- cleaning
- hinge joint
- old bridge
- inclined plane
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
- E01D19/125—Grating or flooring for bridges
Abstract
The invention provides a concrete chiseling and cleaning device for a hinge joint of a hollow plate of an old bridge, which comprises a moving vehicle, a first inclined plane cleaning mechanism and a second inclined plane cleaning mechanism, wherein the first inclined plane cleaning mechanism and the second inclined plane cleaning mechanism are used for cleaning the inner side surface of the hinge joint of the hollow plate of the old bridge; the movable trolley is arranged on a bridge of an old bridge, and the first inclined plane cleaning mechanism and the second inclined plane cleaning mechanism are respectively arranged at the upper end and the lower end of the movable trolley. The concrete chiseling and cleaning device for the hinge joint of the old bridge hollow plate provided by the invention can be used for performing an efficient chiseling and cleaning process on concrete, aiming at the special structure of the hinge joint position of the old bridge and considering the installation position of a steel bar, the efficient cleaning of the inner side surface of the hinge joint is realized through the first inclined surface cleaning mechanism and the second inclined surface cleaning mechanism, the influence of the steel bar is avoided ingeniously, the working efficiency is greatly improved, and the cost is saved.
Description
Technical Field
The invention belongs to the technical field of bridge reconstruction, and particularly relates to a concrete chiseling and cleaning device for a hinge joint of a hollow plate of an old bridge.
Background
The concrete bridge is used as an important component of land traffic, and is widely applied due to obvious advantages, but along with the increase of the service period of the concrete bridge, the bearing capacity of the bridge is reduced due to the influence of factors such as environment, heavy-duty vehicle action and concrete deterioration on a large number of concrete bridges, so that the concrete bridge cannot meet the normal use function. Therefore, old bridges are reinforced, and the bearing capacity of the old bridges is restored and improved, so that the old bridges continue to serve modern transportation, and huge social benefits and economic benefits can be brought to the country.
In the normal construction process, because the lateral part of old bridge in the past is provided with the hollow slab, implants the reinforcing bar on the hollow slab to concreting makes it form a whole. Therefore, the concrete is subjected to fatigue load, so that the reinforcing steel bars are loosened, the bearing capacity and safety of the bridge are affected, and the durability and the design requirement are difficult to meet. Therefore, on the basis of original concrete, need chisel to remove the clearance, make it become a plane, the subsequent construction of being convenient for, this scheme is just to how to carry out this technical problem of efficient chisel removal clearance process to the concrete and solve.
Disclosure of Invention
The invention aims to provide a concrete chiseling and cleaning device for an old bridge hollow plate hinge joint, which solves the technical problem of how to carry out an efficient chiseling and cleaning process on concrete.
A concrete chiseling and cleaning device for an old bridge hollow plate hinge joint comprises a moving vehicle, a first inclined plane cleaning mechanism and a second inclined plane cleaning mechanism, wherein the first inclined plane cleaning mechanism and the second inclined plane cleaning mechanism are used for cleaning the inner side surface of the old bridge hollow plate hinge joint; the trolley is arranged on a bridge of an old bridge, and the first inclined plane cleaning mechanism and the second inclined plane cleaning mechanism are respectively arranged at the upper end and the lower end of the trolley.
The first inclined plane cleaning mechanism comprises a cleaning roller which is obliquely placed, an upper positioning seat which is hinged with the top end of the cleaning roller, a lower positioning seat which is hinged with the side part of the cleaning roller, a bidirectional air cylinder which is connected with the lower positioning seat and a rotary power mechanism which is connected with the top end of the cleaning roller, wherein the rotary power mechanism is arranged on the upper positioning seat, and the cleaning roller is contacted with the inner side surface of the hinge joint of the old bridge hollow plate;
the upper positioning seat is hinged to the lifting frame, the bidirectional cylinder is arranged on the lifting frame, the lifting frame is connected with the lifting cylinder, and the lifting cylinder is arranged on the moving vehicle.
The two inclined plane cleaning mechanisms are respectively arranged on two sides of the lifting frame;
the two ends of the two-way cylinder are respectively connected with the two lower positioning seats, the top end portions of the two cleaning rollers are connected through a flexible shaft, and an adjusting assembly used for adjusting the curvature of the flexible shaft is arranged on the lifting frame.
The adjusting assembly comprises a lifting column, a stud, a spring and a nut, the lifting column is horizontally arranged, the stud vertically penetrates through the lifting column, the spring and the nut are arranged on the stud, the nut and the spring are respectively arranged on the upper side and the lower side of the lifting column, the stud penetrates through a through hole in the lifting column, and the flexible shaft penetrates through the lifting column.
The rotating power mechanism comprises a driven gear arranged at the top end of the cleaning roller, a driving gear meshed with the driven gear and a first motor coaxially connected with the center of the driving gear, and the first motor is arranged on the upper positioning seat.
The second inclined plane cleaning mechanism comprises a horizontal plate arranged at the bottom end of the lifting frame, two driven bevel gears respectively hinged to two ends of the horizontal plate through a vertical shaft, a driving bevel gear connected with the driven bevel gears, and a circular table coaxially connected with the driven bevel gears, wherein the two driving bevel gears are coaxially connected through a transverse shaft, the transverse shaft penetrates through the lower end of the lifting frame, and the transverse shaft is connected with a second motor arranged on the lifting frame through a belt;
the round platform is arranged at the lower end of the horizontal plate, the vertical shaft vertically penetrates through the horizontal plate, and the side face of the round platform is in contact with the inner side face of the hinge joint of the old bridge hollow plate.
The material blocking assembly comprises a baffle plate which is vertically arranged, a bottom plate which is horizontally arranged at the bottom end of the baffle plate and a top plate which is horizontally and fixedly arranged on the lifting frame, the top plate is arranged above the baffle plate, the top plate is connected with the top end face of the baffle plate through an adjusting screw rod which is vertically arranged, and a steel bar seam through which a steel bar passes is further arranged on the baffle plate; the two round tables are arranged close to the bottom plate.
The lifting frame comprises a horizontal plate and a vertical plate, the horizontal plate is horizontally arranged, the vertical plate is vertically arranged at the bottom end of the horizontal plate, the upper positioning seat is hinged to the horizontal plate, the horizontal plate is connected with a lifting cylinder, the bidirectional cylinder is arranged on the vertical plate, and the horizontal plate is arranged at the bottom end of the vertical plate.
The top end of the moving vehicle is provided with a fastening screw rod, and the fastening screw rod is detachably connected with the transverse plate.
The invention achieves the following remarkable effects:
(1) the inclined plane cleaning mechanism I is arranged, the cleaning rollers are in contact with concrete at the hinge joint position, defects on the concrete can be smoothed through the rotating motion of the cleaning rollers, and the two cleaning rollers are arranged through the action of the flexible shaft, so that the inclined plane cleaning efficiency is greatly improved; the bidirectional cylinder is arranged, so that the adjustment can be performed according to the gradient of the concrete slope, and the adaptability is higher;
(2) the outer side surface of the round platform is in contact with concrete, the friction of the rotating round platform is beneficial to floating the concrete, in addition, a gap is formed between the round platform and the cleaning roller, and when the cleaning roller works, reinforcing steel bars on the concrete penetrate through the gap, so that the influence of the reinforcing steel bars is avoided, the whole process can be continuously carried out, and the working efficiency is greatly improved;
in addition, the rotating circular truncated cone also has the function of driving the fallen concrete particles to the material blocking assembly;
(3) the material blocking assembly is arranged, so that on one hand, the concrete particles can be prevented from having larger sprinkling area, the cleaning difficulty is increased, on the other hand, the concrete particles can be driven to move forward, and the effect of instant cleaning is realized;
(4) be provided with adjusting part, can adjust the camber of flexible axle according to the actual angle of inclination of cleaning roller for the rotation of two cleaning rollers is more smooth-going, helps protecting the flexible axle, increases the life of device.
Drawings
Figure 1 is a front view of a chiseling cleaning device in an embodiment of the present invention.
FIG. 2 is a first structural diagram of a bevel cleaning mechanism according to an embodiment of the present invention.
FIG. 3 is a view showing a connecting structure of the cleaning roller in the embodiment of the present invention.
FIG. 4 is a structural diagram of a second bevel cleaning mechanism in an embodiment of the invention.
FIG. 5 is a structural diagram of a circular truncated cone according to an embodiment of the present invention.
Fig. 6 is a structural diagram of a material blocking assembly in the embodiment of the invention.
Fig. 7 is a view showing a position structure of the cleaning roller, the reinforcing bars, and the driven bevel gear according to the embodiment of the present invention.
Wherein the reference numerals are: 1. a bridge; 2. reinforcing steel bars; 3. a circular truncated cone; 4. a driven bevel gear; 5. a drive bevel gear; 6. a baffle plate; 61. a base plate; 62. steel bar seams; 63. a top plate; 64. adjusting the screw rod; 7. a first inclined plane cleaning mechanism; 71. cleaning the roller; 72. a bidirectional cylinder; 73. a lower positioning seat; 74. an upper positioning seat; 741. a first motor; 75. a flexible shaft; 76. a stud; 761. a nut; 77. a lifting column; 78. a spring; 79. a driven gear; 710. a driving gear; 8. a lifting cylinder; 9. fastening a screw rod; 10. a mobile vehicle; 11. a transverse plate; 111. a vertical plate; 112. a second motor; 113. a horizontal axis; 114. a horizontal plate.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is described below by way of specific embodiments.
Referring to fig. 1, the concrete chiseling and cleaning device for the hinge joint of the hollow plate of the old bridge comprises a moving vehicle 10, a first inclined plane cleaning mechanism 7 and a second inclined plane cleaning mechanism, wherein the first inclined plane cleaning mechanism 7 and the second inclined plane cleaning mechanism are used for cleaning the inner side face of the hinge joint of the hollow plate of the old bridge; the movable trolley 10 is arranged on the bridge 1 of the old bridge, and the first inclined plane cleaning mechanism 7 and the second inclined plane cleaning mechanism are respectively arranged at the upper end and the lower end of the movable trolley 10.
Because the hinge joint medial surface of the hollow slab of old bridge is the inclined plane, consequently, when clearing up the concrete, need set up inclined plane clearance mechanism one 7 and inclined plane clearance mechanism two, realize carrying out comprehensive clearance to the inclined plane of concrete, utilize simultaneously to keep off the material subassembly, assemble the concrete blanking, realize the collection process to the concrete.
Referring to fig. 2 and 3, the first inclined plane cleaning mechanism 7 comprises a cleaning roller 71 which is obliquely arranged, an upper positioning seat 74 which is hinged with the top end of the cleaning roller 71, a lower positioning seat 73 which is hinged with the side part of the cleaning roller 71, a bidirectional air cylinder 72 which is connected with the lower positioning seat 73 and a rotary power mechanism which is connected with the top end of the cleaning roller 71, wherein the rotary power mechanism is arranged on the upper positioning seat 74, and the cleaning roller 71 is contacted with the inner side surface of the hinge joint of the old bridge hollow plate;
the upper positioning seat 74 is hinged to the lifting frame, the bidirectional cylinder 72 is arranged on the lifting frame, the lifting frame is connected with the lifting cylinder 8, and the lifting cylinder 8 is arranged on the movable trolley 10.
The cleaning roller 71 is rotated at a high speed by the rotation power mechanism to rub against the concrete, thereby leveling the concrete.
The two inclined plane cleaning mechanisms are respectively arranged at the two sides of the lifting frame;
two ends of the bidirectional cylinder 72 are respectively connected with the two lower positioning seats 73, the top end parts of the two cleaning rollers 71 are connected through a flexible shaft 75, and the lifting frame is provided with an adjusting assembly for adjusting the curvature of the flexible shaft 75.
The adjusting assembly comprises a lifting column 77 which is horizontally arranged, a stud 76 which vertically penetrates through the lifting column 77, a spring 78 and a nut 761 which are arranged on the stud 76, wherein the nut 761 and the spring 78 are respectively arranged at the upper side and the lower side of the lifting column 77, the stud 76 penetrates through a through hole in the lifting column 77, and a flexible shaft 75 penetrates through the lifting column 77.
When the inclination of adjustment cleaning roller 71, the camber of flexible axle 75 must change, through the height of adjusting lift post 77, rotate nut 761 promptly, under the effect of spring 78, lift post 77 up-and-down motion realizes the effect of adjusting flexible axle 75 camber, increases the crooked radius of flexible axle 75, reduces the camber, helps increasing the rotatory stationarity of cleaning roller 71.
The rotating power mechanism comprises a driven gear 79 arranged at the top end of the cleaning roller 71, a driving gear 710 meshed with the driven gear 79 and a first motor 741 coaxially connected with the center of the driving gear 710, wherein the first motor 741 is arranged on the upper positioning seat 74.
Referring to fig. 4, the second inclined plane cleaning mechanism comprises a horizontal plate 114 arranged at the bottom end of the lifting frame, two driven bevel gears 4 respectively hinged to two ends of the horizontal plate 114 through vertical shafts, a driving bevel gear 5 connected with the driven bevel gears 4, and a circular truncated cone 3 coaxially connected with the driven bevel gears 4, wherein the two driving bevel gears 5 are coaxially connected through a cross shaft 113, the cross shaft 113 penetrates through the lower end of the lifting frame, and the cross shaft 113 is connected with a second motor 112 arranged on the lifting frame through a belt;
referring to fig. 5, the circular truncated cone 3 is arranged at the lower end of the horizontal plate 114, the vertical shaft vertically penetrates through the horizontal plate 114, and the side surface of the circular truncated cone 3 is in contact with the inner side surface of the hinge joint of the hollow plate of the old bridge.
And a second motor 112 is started, and under the action of the driving bevel gear 5 and the driven bevel gear 4, the circular truncated cone 3 is driven to rotate, so that the circular truncated cone 3 is rubbed with concrete, the descending of concrete particles is facilitated, and in addition, the rotation of the circular truncated cone 3 is also facilitated to ensure that scattered concrete particles enter the material blocking assembly.
Referring to fig. 6, the material blocking assembly comprises a baffle 6 which is vertically arranged, a bottom plate 61 which is horizontally arranged at the bottom end of the baffle 6, and a top plate 63 which is horizontally and fixedly arranged on the lifting frame, wherein the top plate 63 is arranged above the baffle 6, the top plate 63 is connected with the top end surface of the baffle 6 through an adjusting screw 64 which is vertically arranged, and a steel bar seam 62 for the steel bar 2 to pass through is further arranged on the baffle 6; the two round tables 3 are arranged close to the bottom plate 61.
The crane includes horizontal plate 11, the vertical riser 111 that sets up in horizontal plate 11 bottom that the level set up, goes up positioning seat 74 and articulates the setting on horizontal plate 11, and horizontal plate 11 is connected with lift cylinder 8, and two-way cylinder 72 sets up on riser 111, and horizontal plate 114 sets up the bottom at riser 111.
The top end of the moving vehicle 10 is provided with a fastening screw 9, and the fastening screw 9 is detachably connected with the transverse plate 11.
Referring to fig. 7, a gap is formed between the circular truncated cone 3 and the cleaning roller 71, when the cleaning roller works, the reinforcing steel bars 2 on the concrete penetrate through the gap, so that the influence of the reinforcing steel bars 2 is avoided, the whole process can be continuously carried out, and the working efficiency is greatly improved.
Note: in order to increase the friction force between the cleaning roller 71 and the circular truncated cone 3 and the concrete slope, long grooves can be arranged on the side surfaces of the cleaning roller 71 and the circular truncated cone 3 so as to increase the roughness and the friction coefficient, and in addition, any similar scheme can be adopted as long as the roughness can be increased, and the detailed description is omitted.
The technical features of the present invention which are not described in the above embodiments may be implemented by or using the prior art, and are not described herein again, of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and variations, modifications, additions or substitutions which may be made by those skilled in the art within the spirit and scope of the present invention should also fall within the protection scope of the present invention.
Claims (9)
1. A concrete chiseling and cleaning device for a hinge joint of a hollow plate of an old bridge is characterized by comprising a moving vehicle (10), a first inclined plane cleaning mechanism (7) and a second inclined plane cleaning mechanism, wherein the first inclined plane cleaning mechanism (7) and the second inclined plane cleaning mechanism are used for cleaning the inner side surface of the hinge joint of the hollow plate of the old bridge, the first inclined plane cleaning mechanism (7) and the second inclined plane cleaning mechanism are both arranged on a lifting frame, the lifting frame is arranged on the moving vehicle (10) in a vertically sliding mode, and a material blocking assembly is further arranged on the lifting frame; the movable trolley (10) is arranged on a bridge (1) of an old bridge, and the first inclined plane cleaning mechanism (7) and the second inclined plane cleaning mechanism are respectively arranged at the upper end and the lower end of the movable trolley (10).
2. The concrete chiseling and cleaning device for the hinge joint of the old bridge hollow plate as claimed in claim 1, wherein the first inclined surface cleaning mechanism (7) comprises a cleaning roller (71) which is obliquely placed, an upper positioning seat (74) which is hinged to the top end of the cleaning roller (71), a lower positioning seat (73) which is hinged to the side portion of the cleaning roller (71), a bidirectional cylinder (72) which is connected to the lower positioning seat (73) and a rotary power mechanism which is connected to the top end of the cleaning roller (71), wherein the rotary power mechanism is arranged on the upper positioning seat (74), and the cleaning roller (71) is in contact with the inner side surface of the hinge joint of the old bridge hollow plate;
go up positioning seat (74) articulated setting on the crane, two-way cylinder (72) set up on the crane, the crane is connected with lift cylinder (8), lift cylinder (8) set up on locomotive (10).
3. The concrete chiseling and cleaning device for the hinge joint of the old bridge hollow plate as claimed in claim 2, wherein two bevel cleaning mechanisms are arranged on two sides of the lifting frame respectively;
the two ends of the two-way cylinder (72) are respectively connected with the two lower positioning seats (73), the top end parts of the two cleaning rollers (71) are connected through a flexible shaft (75), and the lifting frame is provided with an adjusting assembly for adjusting the curvature of the flexible shaft (75).
4. The concrete chiseling and cleaning device for the hinge joint of the old bridge hollow plate as claimed in claim 3, wherein the adjusting assembly comprises a lifting column (77) horizontally placed, a stud (76) vertically passing through the lifting column (77), a spring (78) and a nut (761) arranged on the stud (76), the nut (761) and the spring (78) are respectively arranged at the upper side and the lower side of the lifting column (77), the stud (76) passes through a through hole on the lifting column (77), and the flexible shaft (75) passes through the lifting column (77).
5. The concrete chiseling and cleaning device for the hinge joint of the old bridge hollow plate according to any one of claim 4, wherein the rotary power mechanism comprises a driven gear (79) arranged at the top end of the cleaning roller (71), a driving gear (710) meshed with the driven gear (79), and a first motor (741) coaxially connected with the center of the driving gear (710), and the first motor (741) is arranged on the upper positioning seat (74).
6. The concrete chiseling and cleaning device for the hinge joint of the old bridge hollow plate as claimed in claim 5, wherein the second inclined plane cleaning mechanism comprises a horizontal plate (114) arranged at the bottom end of the lifting frame, two driven bevel gears (4) respectively hinged to two ends of the horizontal plate (114) through vertical shafts, a driving bevel gear (5) connected with the driven bevel gears (4), and a circular truncated cone (3) coaxially connected with the driven bevel gears (4), the two driving bevel gears (5) are coaxially connected through a transverse shaft (113), the transverse shaft (113) penetrates through the lower end of the lifting frame, and the transverse shaft (113) is connected with a second motor (112) arranged on the lifting frame through a belt;
the round platform (3) is arranged at the lower end of the horizontal plate (114), the vertical shaft vertically penetrates through the horizontal plate (114), and the side face of the round platform (3) is in contact with the inner side face of the hinge joint of the old bridge hollow plate.
7. The concrete chiseling and cleaning device for the hinge joint of the hollow plate of the old bridge according to claim 6, wherein the material blocking assembly comprises a baffle plate (6) which is vertically placed, a bottom plate (61) which is horizontally arranged at the bottom end of the baffle plate (6) and a top plate (63) which is horizontally and fixedly arranged on the lifting frame, the top plate (63) is arranged above the baffle plate (6), the top plate (63) is connected with the top end face of the baffle plate (6) through an adjusting screw rod (64) which is vertically placed, and a steel bar seam (62) for a steel bar (2) to pass through is further arranged on the baffle plate (6); the two round tables (3) are arranged close to the bottom plate (61).
8. The concrete chiseling and cleaning device for the hinge joint of the old bridge hollow plate as claimed in claim 7, wherein the lifting frame comprises a horizontal plate (11) which is horizontally arranged and a vertical plate (111) which is vertically arranged at the bottom end of the horizontal plate (11), the upper positioning seat (74) is hinged to the horizontal plate (11), the horizontal plate (11) is connected with a lifting cylinder (8), the bidirectional cylinder (72) is arranged on the vertical plate (111), and the horizontal plate (114) is arranged at the bottom end of the vertical plate (111).
9. The concrete chiseling and cleaning device for the hinge joint of the hollow slab of the old bridge as claimed in claim 8, wherein a fastening screw (9) is arranged at the top end of the moving vehicle (10), and the fastening screw (9) is detachably connected with the transverse slab (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110460825.1A CN113123257B (en) | 2021-04-27 | 2021-04-27 | Old bridge hollow slab cuts with concrete chisel and removes cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110460825.1A CN113123257B (en) | 2021-04-27 | 2021-04-27 | Old bridge hollow slab cuts with concrete chisel and removes cleaning device |
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| Publication Number | Publication Date |
|---|---|
| CN113123257A true CN113123257A (en) | 2021-07-16 |
| CN113123257B CN113123257B (en) | 2022-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110460825.1A Active CN113123257B (en) | 2021-04-27 | 2021-04-27 | Old bridge hollow slab cuts with concrete chisel and removes cleaning device |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4618395A (en) * | 1984-05-19 | 1986-10-21 | Hermann Breucha | Cutting implement for removing plastic sealing strips from joints between reinforced concrete elements |
| CN207672434U (en) * | 2017-12-11 | 2018-07-31 | 杜思鼎 | A kind of wet seam construction robot of prestressed concrete automating dabbing fluting |
| CN208763098U (en) * | 2018-07-26 | 2019-04-19 | 广东德浩建设有限公司 | A kind of municipal administration bridge gutter cleaning plant |
| CN211587828U (en) * | 2019-12-20 | 2020-09-29 | 成渝钒钛科技有限公司 | Surface cleaning device for hopper under furnace trough |
| CN112227169A (en) * | 2020-10-30 | 2021-01-15 | 资义国 | A crack cleaning device for highway bridge maintenance |
| CN112411549A (en) * | 2020-11-06 | 2021-02-26 | 中国港湾工程有限责任公司 | Cast-in-place pile steel casing hole sweeping equipment |
| CN212742242U (en) * | 2020-06-24 | 2021-03-19 | 浙江水利水电学院 | Pier wall clearance electronic brush that floats |
-
2021
- 2021-04-27 CN CN202110460825.1A patent/CN113123257B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4618395A (en) * | 1984-05-19 | 1986-10-21 | Hermann Breucha | Cutting implement for removing plastic sealing strips from joints between reinforced concrete elements |
| CN207672434U (en) * | 2017-12-11 | 2018-07-31 | 杜思鼎 | A kind of wet seam construction robot of prestressed concrete automating dabbing fluting |
| CN208763098U (en) * | 2018-07-26 | 2019-04-19 | 广东德浩建设有限公司 | A kind of municipal administration bridge gutter cleaning plant |
| CN211587828U (en) * | 2019-12-20 | 2020-09-29 | 成渝钒钛科技有限公司 | Surface cleaning device for hopper under furnace trough |
| CN212742242U (en) * | 2020-06-24 | 2021-03-19 | 浙江水利水电学院 | Pier wall clearance electronic brush that floats |
| CN112227169A (en) * | 2020-10-30 | 2021-01-15 | 资义国 | A crack cleaning device for highway bridge maintenance |
| CN112411549A (en) * | 2020-11-06 | 2021-02-26 | 中国港湾工程有限责任公司 | Cast-in-place pile steel casing hole sweeping equipment |
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| CN113123257B (en) | 2022-10-21 |
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