CN116163208A - Bridge detection operation vehicle - Google Patents
Bridge detection operation vehicle Download PDFInfo
- Publication number
- CN116163208A CN116163208A CN202310460259.3A CN202310460259A CN116163208A CN 116163208 A CN116163208 A CN 116163208A CN 202310460259 A CN202310460259 A CN 202310460259A CN 116163208 A CN116163208 A CN 116163208A
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- gear
- fixedly connected
- vertical beam
- bridge inspection
- work vehicle
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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
- E01D19/10—Railings; Protectors against smoke or gases, e.g. of locomotives; Maintenance travellers; Fastening of pipes or cables to bridges
- E01D19/106—Movable inspection or maintenance platforms, e.g. travelling scaffolding or vehicles specially designed to provide access to the undersides of bridges
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a bridge detection operation vehicle, which belongs to the field of bridge detection and comprises an operation vehicle, wherein a main beam is installed on the operation vehicle, a vertical beam is installed at the right end of the main beam, two groups of first motors are installed in the vertical beam at positions close to the upper end, the output shaft of each first motor is fixedly connected with a second gear, the upper end of each second gear is in meshed connection with a first gear, the right side surface of each first gear is fixedly connected with a connecting column, the right end of each connecting column is fixedly connected with a rotating disc, the right side surface of each rotating disc is connected with a sleeve rod through a hinge, a third hydraulic rod is installed between each rotating disc and each sleeve rod, and the first hydraulic rod is installed in each sleeve rod. The loop bars and the movable rods on the left side and the right side of the vertical beam can be unfolded, and then the vertical beam is supported obliquely upwards, so that the stability of the main beam and the vertical beam can be greatly improved, the swinging amplitude of the hanging basket in wind is reduced, and the normal operation of operators in windy weather is ensured.
Description
Technical Field
The invention relates to the field of bridge detection, in particular to a bridge detection operation vehicle.
Background
The bridge detection vehicle is mainly used for a special vehicle for bridge detection, has three functions of lifting, lifting and stretching, is multipurpose, can quickly form an operation platform in a space which cannot be reached by the bottom surface of a bridge, provides detection space for detection personnel, enables the detection, maintenance and repair of the bridge to become easy and efficient, facilitates the safety walking of the operation personnel on the operation platform during the maintenance, and does not influence traffic when the bridge detection is operated.
The applicant finds that the following problems exist in the operation of the bridge inspection vehicle:
if the bridge detects the operation car and runs into windy weather during operation, the support arm that the operation car stretches out can take place the swing, and the support arm swing can lead to stretching to the hanging flower basket of bridge bottom to appear the swing, can influence the operation personnel who stands in the hanging flower basket and detect and maintenance work, can lead to the operation personnel unable to carry out operation work when serious, has increased the potential safety hazard for the operation personnel when the swing in addition.
For this purpose, a bridge inspection work vehicle is proposed.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide the bridge detection operation vehicle, which can be unfolded through the loop bars and the moving bars at the left side and the right side of the vertical beam and then support the vertical beam obliquely upwards, so that the stability of the main beam and the vertical beam can be greatly improved, and the swinging amplitude of a hanging basket in wind is reduced, thereby ensuring that operators can normally operate in windy weather.
In order to solve the problems, the invention adopts the following technical scheme.
The utility model provides a bridge detects operation car, includes the operation car, install the girder on the operation car, the right-hand member of girder is installed and is erected the roof beam, the inside of erecting the roof beam is close to upper end position and installs two sets of first motors, the output shaft fixedly connected with second gear of first motor, the upper end meshing of second gear is connected with first gear, the right flank fixedly connected with spliced pole of first gear, the right-hand member fixedly connected with rolling disc of spliced pole, the right flank of rolling disc has the loop bar through hinged joint, install the third hydraulic stem between rolling disc and the loop bar, the internally mounted of loop bar has first hydraulic stem, the lower extreme of first hydraulic stem is provided with the movable rod.
Further, the inside of movable rod is close to upper end position and is provided with the extrusion dish, the upper surface and the first hydraulic rod fixed connection of extrusion dish, the below of extrusion dish is provided with pressure sensor, pressure sensor's lower extreme and the inside fixed connection of movable rod, the inside of movable rod is located around pressure sensor installs the rubber ring.
Further, an alarm is installed in the working vehicle, and the alarm is electrically connected with the pressure sensor.
Further, the right end of the movable rod is connected with a control rod through a hinge, the right end of the control rod is fixedly connected with a supporting plate, and a second hydraulic rod is installed between the supporting plate and the movable rod.
Further, the inside of backup pad is provided with evenly distributed's spacing dish, the upper end fixedly connected with of spacing dish grabs the pole, the side surface that grabs the pole has cup jointed the spring near the lower extreme position, the upper end that grabs the pole slides and runs through the backup pad and extends to the outside.
Further, the movable cavity is formed in the position, located at the first gear and the second gear, of the vertical beam, and the connecting column penetrates through the movable cavity to extend to the outside.
Further, the cavity is formed in the vertical beam, a traction rope is fixedly connected to the inner wall of the upper end of the cavity, and a counterweight ball is fixedly connected to the lower end of the traction rope.
Further, damping fluid is injected into the cavity.
Further, the diameter ratio between the first gear and the second gear is 3:1.
Further, a rubber pad is fixedly connected to the left side face of the supporting plate.
Compared with the prior art, the invention has the beneficial effects that:
(1) According to the scheme, the loop bars and the movable bars on the left side and the right side of the vertical beam are unfolded, and then the vertical beam is supported obliquely upwards, so that the stability of the main beam and the vertical beam can be greatly improved, the swinging amplitude of the hanging basket in wind is reduced, and therefore, operators can work normally in windy weather.
(2) According to the scheme, the swing amplitude of the vertical beams is monitored through the two groups of first pressure sensors when wind exists, then the swing vertical beams are continuously righted in the wind through the two groups of first hydraulic rods, the swing amplitude of the main beams and the vertical beams in the wind can be greatly reduced, the stability of the main beams and the vertical beams in the wind is improved well, and further, operators can work normally in the wind.
(3) According to the scheme, the stretching amount of each group of grabbing rods is controlled to be different, so that the grabbing rods can grab a plane bridge and an arched bridge, the grabbing rods are ensured to be in good contact with the bridge deck, the stability of the supporting point is ensured, and the stability of the supporting frame body is further ensured.
(4) When this scheme was through erecting the roof beam side-to-side swing, counter weight ball reverse pulling haulage rope to realize the wobbling power of decay roof beam side-to-side, thereby the wobbling range of roof beam is erected in the significantly reduced, and then improves girder and the stability of roof beam, guarantees that the operation personnel can normally carry out operation work.
Drawings
FIG. 1 is an overall exterior view of the present invention;
FIG. 2 is an expanded view of the loop bars on both sides of the vertical beam of the present invention;
FIG. 3 is a perspective view of the first and second gears and the connecting member of the present invention;
FIG. 4 is a perspective view of the loop bar and the travel bar and connecting element of the present invention;
FIG. 5 is a cross-sectional view of the interior of the loop bar of the present invention
FIG. 6 is an enlarged view of the point A of FIG. 5 in accordance with the present invention;
FIG. 7 is an illustration of a side view of a bridge of the present invention;
FIG. 8 is a cross-sectional view of the interior of the support plate of the present invention;
fig. 9 is a cross-sectional view of the interior of the inventive vertical beam.
The reference numerals in the figures illustrate:
1. a work vehicle; 2. a main beam; 3. a vertical beam; 4. a loop bar; 5. a moving rod; 6. a first gear; 7. a second gear; 8. a first motor; 9. a first hydraulic lever; 10. an extrusion plate; 11. a pressure sensor; 12. a rubber ring; 13. a control lever; 14. a second hydraulic lever; 15. a movable cavity; 16. a support plate; 17. a grab bar; 18. a spring; 19. a limiting disc; 20. a connecting column; 21. a rotating disc; 22. a rubber pad; 23. a cavity; 24. a traction rope; 25. a weight ball; 26. damping fluid; 27. and a third hydraulic rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present invention are within the protection scope of the present invention.
Referring to fig. 1 to 5 and 7, a bridge inspection operation vehicle comprises an operation vehicle 1, wherein a main beam 2 is installed on the operation vehicle 1, a vertical beam 3 is installed at the right end of the main beam 2, two groups of first motors 8 are installed inside the vertical beam 3 near the upper end, an output shaft of each first motor 8 is fixedly connected with a second gear 7, the upper end of each second gear 7 is in meshed connection with a first gear 6, the right side surface of each first gear 6 is fixedly connected with a connecting column 20, the right end of each connecting column 20 is fixedly connected with a rotating disc 21, the right side surface of each rotating disc 21 is connected with a loop bar 4 through a hinge, a third hydraulic rod 27 is installed between each rotating disc 21 and each loop bar 4, a first hydraulic rod 9 is installed inside each loop bar 4, and a movable rod 5 is arranged at the lower end of each first hydraulic rod 9.
When the working vehicle 1 works on a bridge, the main beam 2 and the vertical beam 3 are unfolded firstly, then the first motor 8 drives the second gear 7 to rotate, the second gear 7 can drive the first gear 6 to rotate when rotating, the first gear 6 can synchronously drive the connecting post 20 and the rotating disc 21 to rotate when rotating, the rotating disc 21 can drive the sleeve rod 4 to be gradually lifted and lifted to a proper position when rotating, then the third hydraulic rod 27 pushes the sleeve rod 4 to move, so that the two groups of sleeve rods 4 are gradually outwards unfolded, the first hydraulic rod 9 is controlled to push the moving rod 5 when being unfolded to a proper position, and finally the moving rod 5 can be propped against the side face of the bridge.
As shown in fig. 6, a squeeze plate 10 is disposed in the interior of the movable rod 5 near the upper end, the upper surface of the squeeze plate 10 is fixedly connected with the first hydraulic rod 9, a pressure sensor 11 is disposed below the squeeze plate 10, the lower end of the pressure sensor 11 is fixedly connected with the interior of the movable rod 5, and a rubber ring 12 is mounted around the pressure sensor 11 in the interior of the movable rod 5.
When the movable rod 5 is propped against the side surface of the bridge, the first hydraulic rod 9 can drive the extrusion plate 10 to extrude the first pressure sensor 11, the pressure of the movable rod 5 extruding the bridge is monitored through the first pressure sensor 11, the problem that the bridge is damaged due to overlarge extrusion force is avoided, in addition, when the vertical beams 3 swing in windy weather, the pressure values detected by the two groups of first pressure sensors 11 are different, the numerical value detected by the first pressure sensor 11 on the right side is increased when the vertical beams 3 swing to the right side, the numerical value detected by the first pressure sensor 11 on the left side is decreased, at the moment, the first hydraulic rod 9 on the right side extends to push the vertical beams 3 to be corrected until the numerical values detected by the first pressure sensors 11 on the left side and the right side are the same, when the vertical beam 3 swings leftwards, the left first hydraulic rods 9 extend to push the vertical beam 3 to be corrected until the values detected by the left and right first pressure sensors 11 are the same, and the two groups of first hydraulic rods 9 continuously straighten the swinging vertical beam 3 in the wind, so that the swinging amplitude of the main beam 2 and the vertical beam 3 in the wind can be greatly reduced, the stability of the main beam 2 and the vertical beam 3 in the wind can be well improved, and further, the operators can work normally in the wind, and the rubber ring 12 plays a role of protecting the first pressure sensors 11, so that the first pressure sensors 11 can be uniformly subjected to the pressure of the extruding disc 10.
As shown in fig. 1 and 6, an alarm is installed in the working vehicle 1, and the alarm is electrically connected to the pressure sensor 11.
The alarm can be a buzzer, when the pressure value monitored by the pressure sensor 11 is larger than the normal value set by a worker, the alarm gives an alarm and reminds the worker, the alarm represents overlarge wind force, the side force of the movable rod 5 extruding the bridge is overlarge, the bridge is easy to damage, the worker works in the overlarge wind force, and the worker is reminded to stop working.
As shown in fig. 4 and 7, the right end of the moving rod 5 is connected with a control rod 13 through a hinge, the right end of the control rod 13 is connected with a support plate 16, and a second hydraulic rod 14 is installed between the support plate 16 and the moving rod 5.
When the movable rod 5 is in quick contact with the bridge, the second hydraulic rod 14 pushes the support plate 16, so that the support plate 16 is controlled to be parallel to the side surface of the bridge, then the movable rod 5 continues to move, the support plate 16 is propped between the movable rod 5 and the side surface of the bridge, the contact area with the side surface of the bridge is increased, the friction force is increased, the stable support of the vertical beam 3 is ensured, and the problem that the side surface of the bridge is hurt by overlarge extrusion force of the movable rod 5 can be avoided.
As shown in fig. 8, a uniformly distributed limiting disc 19 is arranged in the supporting plate 16, the upper end of the limiting disc 19 is fixedly connected with a grabbing rod 17, a spring 18 is sleeved on the side surface of the grabbing rod 17 close to the lower end, and the upper end of the grabbing rod 17 penetrates through the supporting plate 16 in a sliding mode and extends to the outside.
When the supporting plate 16 is propped against the side surface of the bridge, the grabbing rods 17 grab the joint of the upper surface and the side surface of the bridge, so that the downward movement of the loop rod 4 and the moving rod 5 due to the gravity of the loop rod can be avoided, meanwhile, the working pressure of the first motor 8 can be reduced, when the grabbing rods 17 grab an arched bridge deck, the supporting plate 16 is controlled to move downwards for a certain distance through the first motor 8, at the moment, the lengths of each group of grabbing rods 17 stretching out from the supporting plate 16 are different, the grabbing rods 17 can be ensured to be in good contact with the arched bridge deck, and the stability of supporting points is ensured.
As shown in fig. 3, the vertical beam 3 is provided with a movable cavity 15 at the first gear 6 and the second gear 7, and the connecting post 20 extends to the outside through the movable cavity 15.
If the first motor 8 is directly connected with the rotating disc 21, the first motor 8 can drive the rotating disc 21 to move, but the gravity of the sleeve rod 4 and the connecting part is too large, the downward pressure of the output shaft of the first motor 8 can be increased, so that the first motor 8 is easy to damage after being used for a period of time.
As shown in fig. 9, a cavity 23 is formed in the vertical beam 3, a hauling rope 24 is fixedly connected to the inner wall of the upper end of the cavity 23, and a counterweight ball 25 is fixedly connected to the lower end of the hauling rope 24.
When the vertical beam 3 swings right, the counterweight ball 25 swings left relative to the vertical beam 3 due to inertia, meanwhile, the counterweight ball 25 pulls the traction rope 24 left, left force is applied to the vertical beam 3, right force is attenuated through the vertical beam 3, accordingly, the right swing amplitude of the vertical beam 3 is reduced, the counterweight ball 25 swings left relative to the vertical beam 3 due to inertia, the traction rope 24 is pulled right relative to the vertical beam 3, the left swing amplitude of the vertical beam 3 is greatly reduced through the attenuation of the right swing force of the vertical beam 3, and stability of the main beam 2 and the vertical beam 3 is improved.
As shown in fig. 9, the damping liquid 26 is filled in the cavity 23, and the damping liquid 26 may be a relatively viscous liquid, so that the movement speed of the weight ball 25 is slowed down while the weight ball 25 moves left and right to pull the traction rope 24, thereby reducing the force of the weight ball 25 hitting the inner wall of the cavity 23.
As shown in fig. 3, the diameter ratio between the first gear 6 and the second gear 7 is 3:1.
According to the invention, the pinion drives the large gear, so that the torque to the rotating disc 21 is improved, and the load of the first motor 8 is lightened, so that the service life of the first motor 8 is ensured, and meanwhile, the first motor 8 is convenient to drive the rotating disc 21 to rotate.
As shown in fig. 4, the rubber pad 22 is fixedly connected to the left side surface of the support plate 16, so that the contact area between the support plate 16 and the side surface of the bridge is increased, the friction force is increased, the problem that the support point slips is avoided, the rubber pad 22 can also play a role in protecting the support point, and the problem that the support point is damaged due to overlarge extrusion force is avoided.
Working principle: after the main beam 2 and the vertical beam 3 are unfolded, the first motor 8 drives the rotating disc 21 to rotate, the rotating disc 21 can drive the loop bars 4 to gradually lift and lift to a proper position when rotating, then the third hydraulic rod 27 pushes the loop bars 4 to move, so that the two groups of loop bars 4 gradually expand outwards, when the loop bars expand to a proper position, the first hydraulic rod 9 is controlled to push the moving rod 5, and finally the moving rod 5 can prop against the side surface of a bridge, the stability of the main beam 2 and the vertical beam 3 can be greatly improved through left and right supporting of the vertical beam 3, the swinging amplitude of a hanging basket in wind is reduced, and the normal operation of operators in windy weather is ensured;
when the vertical beams 3 swing in windy weather, the pressure values detected by the two groups of first pressure sensors 11 are different, for example, when the vertical beams 3 swing to the right, the value detected by the first pressure sensor 11 on the right side is increased, the value detected by the first pressure sensor 11 on the left side is decreased, at the moment, the first hydraulic rods 9 on the right side extend to push the vertical beams 3 to return until the values detected by the first pressure sensors 11 on the left side are the same, and when the vertical beams 3 swing to the left side, the first hydraulic rods 9 on the left side extend to push the vertical beams 3 to return until the values detected by the first pressure sensors 11 on the left side and the right side are the same, and the swinging vertical beams 3 are continuously righted in the wind by the two groups of first hydraulic rods 9, so that the swinging amplitude of the main beams 2 and the vertical beams 3 in the wind can be greatly reduced, the stability of the main beams 2 and the vertical beams 3 in the wind can be well improved, and the normal operation work of operators in the wind can be guaranteed;
when the vertical beam 3 swings right, the counterweight ball 25 swings left relative to the vertical beam 3 due to inertia, meanwhile, the counterweight ball 25 pulls the traction rope 24 left, left force is applied to the vertical beam 3, right force is attenuated through the vertical beam 3, accordingly, the right swing amplitude of the vertical beam 3 is reduced, the counterweight ball 25 swings left relative to the vertical beam 3 due to inertia, the traction rope 24 is pulled right relative to the vertical beam 3, the left swing amplitude of the vertical beam 3 is greatly reduced through the attenuation of the right swing force of the vertical beam 3, and stability of the main beam 2 and the vertical beam 3 is improved.
The above is only a preferred embodiment of the present invention; the scope of the invention is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present invention, and the technical solution and the improvement thereof are all covered by the protection scope of the present invention.
Claims (10)
1. Bridge inspection operation car, including operation car (1), its characterized in that: install girder (2) on operation car (1), perpendicular roof beam (3) are installed to the right-hand member of girder (2), two sets of first motors (8) are installed near upper end position to the inside of perpendicular roof beam (3), the output shaft fixedly connected with second gear (7) of first motor (8), the upper end meshing of second gear (7) is connected with first gear (6), the right flank fixedly connected with spliced pole (20) of first gear (6), the right-hand member fixedly connected with rolling disc (21) of spliced pole (20), the right flank of rolling disc (21) is through hinged joint having loop bar (4), install third hydraulic stem (27) between rolling disc (21) and loop bar (4), the internally mounted of loop bar (4) has first hydraulic stem (9), the lower extreme of first hydraulic stem (9) is provided with movable rod (5).
2. The bridge inspection work vehicle of claim 1, wherein: the inside of movable rod (5) is close to upper end position and is provided with extrusion disk (10), the upper surface and the first hydraulic stem (9) fixed connection of extrusion disk (10), the below of extrusion disk (10) is provided with pressure sensor (11), the inside fixed connection of lower extreme and movable rod (5) of pressure sensor (11), rubber ring (12) are installed around the inside of movable rod (5) is located pressure sensor (11).
3. The bridge inspection work vehicle of claim 2, wherein: an alarm is arranged in the working vehicle (1), and the alarm is electrically connected with the pressure sensor (11).
4. The bridge inspection work vehicle of claim 1, wherein: the right-hand member of movable rod (5) is through hinged joint having control lever (13), the right-hand member fixedly connected with backup pad (16) of control lever (13), install second hydraulic stem (14) between backup pad (16) and movable rod (5).
5. The bridge inspection work vehicle of claim 4, wherein: the inside of backup pad (16) is provided with evenly distributed's spacing dish (19), the upper end fixedly connected with of spacing dish (19) grabs pole (17), the side surface of grabbing pole (17) has cup jointed spring (18) near the lower extreme position, the upper end of grabbing pole (17) slides and runs through backup pad (16) and extends to the outside.
6. The bridge inspection work vehicle of claim 1, wherein: the inside of the vertical beam (3) is provided with a movable cavity (15) at the positions of the first gear (6) and the second gear (7), and the connecting column (20) penetrates through the movable cavity (15) to extend to the outside.
7. The bridge inspection work vehicle of claim 1, wherein: the inside of vertical beam (3) has seted up cavity (23), the upper end inner wall fixedly connected with haulage rope (24) of cavity (23), the lower extreme fixedly connected with counter weight ball (25) of haulage rope (24).
8. The bridge inspection work vehicle of claim 7, wherein: the interior of the cavity (23) is filled with damping fluid (26).
9. The bridge inspection work vehicle of claim 1, wherein: the diameter ratio between the first gear (6) and the second gear (7) is 3:1.
10. The bridge inspection work vehicle of claim 4, wherein: the left side face of the supporting plate (16) is fixedly connected with a rubber pad (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310460259.3A CN116163208B (en) | 2023-04-26 | 2023-04-26 | Bridge detection operation vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310460259.3A CN116163208B (en) | 2023-04-26 | 2023-04-26 | Bridge detection operation vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN116163208A true CN116163208A (en) | 2023-05-26 |
| CN116163208B CN116163208B (en) | 2023-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310460259.3A Active CN116163208B (en) | 2023-04-26 | 2023-04-26 | Bridge detection operation vehicle |
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| CN (1) | CN116163208B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH677198A5 (en) * | 1989-12-13 | 1991-04-30 | Luciano Bezzola | Permanently mounted facade cleaning apparatus - has jib on roof for cabin cleaning suspension and guiding cables, also frames with suction cups |
| EP2148956A1 (en) * | 2007-04-27 | 2010-02-03 | Destia Oy | Scaffold arrangement and method for repairing the edge structure of a concrete bridge |
| CN205123190U (en) * | 2015-11-19 | 2016-03-30 | 成都大学 | Overhead transmission line split conductor antihunting device |
| CN210529584U (en) * | 2019-06-27 | 2020-05-15 | 关宏图 | Road and bridge belt cleaning device |
| CN216275220U (en) * | 2021-10-25 | 2022-04-12 | 云南省公路科学技术研究院 | Bridge structures self stabilization detection device |
| CN218406905U (en) * | 2022-10-23 | 2023-01-31 | 中铁十八局集团第二工程有限公司 | Wind shield device for high pier construction of wind area bridge |
| CN115680264A (en) * | 2021-07-27 | 2023-02-03 | 中建八局西南建设工程有限公司 | Anti-shaking device for hanging basket operation |
| CN115748447A (en) * | 2022-11-16 | 2023-03-07 | 中交第二公路工程局有限公司 | Bridge outer side construction platform for highway bridge construction and working method thereof |
-
2023
- 2023-04-26 CN CN202310460259.3A patent/CN116163208B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH677198A5 (en) * | 1989-12-13 | 1991-04-30 | Luciano Bezzola | Permanently mounted facade cleaning apparatus - has jib on roof for cabin cleaning suspension and guiding cables, also frames with suction cups |
| EP2148956A1 (en) * | 2007-04-27 | 2010-02-03 | Destia Oy | Scaffold arrangement and method for repairing the edge structure of a concrete bridge |
| CN205123190U (en) * | 2015-11-19 | 2016-03-30 | 成都大学 | Overhead transmission line split conductor antihunting device |
| CN210529584U (en) * | 2019-06-27 | 2020-05-15 | 关宏图 | Road and bridge belt cleaning device |
| CN115680264A (en) * | 2021-07-27 | 2023-02-03 | 中建八局西南建设工程有限公司 | Anti-shaking device for hanging basket operation |
| CN216275220U (en) * | 2021-10-25 | 2022-04-12 | 云南省公路科学技术研究院 | Bridge structures self stabilization detection device |
| CN218406905U (en) * | 2022-10-23 | 2023-01-31 | 中铁十八局集团第二工程有限公司 | Wind shield device for high pier construction of wind area bridge |
| CN115748447A (en) * | 2022-11-16 | 2023-03-07 | 中交第二公路工程局有限公司 | Bridge outer side construction platform for highway bridge construction and working method thereof |
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| CN116163208B (en) | 2023-08-01 |
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