CN111921930A

CN111921930A - Cable-stayed/sling surface cleaning device

Info

Publication number: CN111921930A
Application number: CN202010731119.1A
Authority: CN
Inventors: 王兴松; 田梦倩; 尹晨阳
Original assignee: Southeast University
Current assignee: Southeast University
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2020-11-13
Anticipated expiration: 2040-07-27
Also published as: CN111921930B

Abstract

The invention discloses a diagonal cable/sling surface cleaning device which comprises an arc rotating platform, wherein a cleaning module is installed on the arc rotating platform through a telescopic mechanism, the cleaning module comprises a cleaning motor support, a cleaning motor is installed on the cleaning motor support, an output shaft of the cleaning motor is connected with an eccentric wheel, a linear guide rail is further installed on the cleaning motor support, a support sliding block is installed in the linear guide rail, a swinging support is installed on the support sliding block, a groove is formed in the other side of the swinging support and located within the rotating stroke range of the eccentric wheel, and the swinging support is connected with a cleaning brush.

Description

Cable-stayed/sling surface cleaning device

Technical Field

The invention provides a cable-stayed/sling surface cleaning device, and belongs to the field of robots.

Background

With the growth of economy and the rapid development of traffic industry, the development of large-span bridges is faster and faster, and cable-stayed bridges are widely applied in the world as new types of modern bridges due to wide adaptability and economy. The safety performance of a cable-stayed bridge cable as an important stressed component of the cable-stayed bridge is generally regarded as important. However, after the cable-stayed bridge is built, a cable-stayed/suspension cable, one of the main stress components, is exposed to the air for a long time, and the Polyethylene (PE) protective layer on the surface of the cable is subjected to damage phenomena such as hardening and aging to different degrees, and is also subjected to corrosion phenomena caused by moisture and other acidic substances in the air, so that the strength of the cable is damaged, and the safety of the bridge is endangered.

Disclosure of Invention

The invention aims to provide a device for cleaning the surface of a cable-stayed sling/sling aiming at the surface damage condition of the cable-stayed sling/sling, which can be used for preparing for further repair work by performing preliminary maintenance on the paint spraying and glue spraying treatment on a rusted part on the surface, thereby prolonging the service life of the cable/sling and reducing the cost of the project.

The above purpose is realized by the following technical scheme:

the utility model provides a draw/hoist cable surface cleaning device to one side, includes that the circular arc rotates the platform, the circular arc rotates and installs clearance module through telescopic machanism on the platform, clearance module is including clearance motor support, install the clearance motor on the clearance motor support, connect the eccentric wheel on the output shaft of clearance motor, still install a linear guide on the clearance motor support, linear guide the inside installing support slider, install the swing support on the support slider, the opposite side of swing support is provided with the rotation stroke range that a recess is located the eccentric wheel, the swing support connection clearance brush.

Draw/hoist cable surface cleaning device to one side, the circular arc rotates the platform and includes the circular arc guide rail, the outside of circular arc guide rail be provided with be used for with draw/hoist cable inspection robot erection joint's support frame to one side, the inboard of circular arc guide rail is provided with the internal gear circular arc, install the circumference slider on the circular arc guide rail, install on the circumference slider with internal gear circular arc meshing's gear, gear connection gear driving motor, the circumference slider on be fixed with the connection board that has backup pad and motor bottom suspension fagging on being used for installing gear driving motor's the motor, connection board is used for connecting telescopic machanism.

The inclined pull/sling surface cleaning device comprises a telescopic mechanism and a lifting mechanism, wherein the telescopic mechanism comprises a base, one end of the base is provided with a guide rail, and a straight slide block is arranged on the guide rail; the cleaning device is characterized in that a telescopic support is installed at the other end of the base, a lead screw perpendicular to the guide rail is installed on the telescopic support, the lead screw is connected with a lead screw driving motor, the lead screw is connected with a short hinge support through a square nut, a long hinge support is fixedly installed on the telescopic support, the long hinge support and the short hinge support are hinged with a scissor fork connecting rod mechanism, the free end of the scissor fork connecting rod mechanism is connected with a thrust support, and the straight-moving sliding block and the thrust support are provided with the cleaning module.

Has the advantages that: compared with the prior art, the invention has the following advantages:

1. according to the device, the arc rotating platform enables the arc guide rail to be closed into a complete circle in a mode of splicing two arcs, so that the device can polish the surface of the stay cable by 360 degrees.

2. The telescopic mechanism adopts a scissor-fork connecting rod mechanism, has good flexibility, and enables the cleaning brush to be close to and far away from the surface of the pull (sling). The mechanism moves forwards and backwards through the slide block guide rail, and the friction resistance is small.

3. The device can adapt to the pulling (hanging) cable with a larger range of diameter, because the platform and the base of the telescopic mechanism are in a sliding clearance fit connection mode, manual rough adjustment can be carried out through the sliding of the platform and the base when the device is installed, the device is close to the surface of the pulling (hanging) cable, and fine adjustment is carried out through the telescopic mechanism during working.

Drawings

FIG. 1 is an overall schematic view of the present invention;

FIG. 2 is a schematic view of a circular arc rotary platform of the present invention, wherein FIG. 2 (a) is a front view of the circular arc rotary platform and FIG. 2 (b) is a top view of the circular arc rotary platform;

FIG. 3 is a schematic view of the telescoping mechanism of the present invention, wherein FIG. 3 (a) is a front view of the telescoping mechanism and FIG. 3 (b) is a top view of the telescoping mechanism;

FIG. 4 is a schematic view of a cleaning module of the present invention, wherein FIG. 4 (a) is a front view of the cleaning module and FIG. 4 (b) is a top view of the cleaning module;

FIG. 5 is a schematic view of the operation of the present invention, wherein FIG. 5 (a) is a perspective view of the cleaning brush away from the cord surface, and FIG. 5 (b) is a perspective view of the cleaning brush contacting the cord surface;

in the figure: 1. a circular arc rotating platform; 2. a telescoping mechanism; 3. a cleaning module; 100. a circular arc guide rail; 101. an inner gear is circular arc; 102. a connector tile; 103. a circumferential slider; 104. an upper support plate of the motor; 105. a gear; 106. a motor lower support plate; 107. a gear drive motor; 108. a support frame; 201. a base; 202. a platform; 203. a guide rail; 204. a straight slide block; 205. a thrust bracket; 206. a scissor linkage mechanism; 207. a hinge short bracket; 208. a square nut; 209. a hinged long support; 210. a lead screw; 211. a telescopic bracket; 212. a lead screw drive motor; 301. cleaning the motor bracket; 302. cleaning the motor; 303. an eccentric wheel; 304. a linear guide rail; 305. a bracket slider; 306. a swing bracket; 307. and cleaning the brush.

Detailed Description

The invention is further described with reference to the following examples and the accompanying drawings.

As shown in fig. 1-5, the inclined pull/sling surface cleaning device of this example includes an arc rotating platform 1, a cleaning module 3 is installed on the arc rotating platform through a telescopic mechanism 2, the cleaning module 3 includes a cleaning motor support 301, a cleaning motor 302 is installed on the cleaning motor support 301, an eccentric wheel 303 is connected on an output shaft of the cleaning motor 302, a linear guide rail 304 is further installed on the cleaning motor support 301, a support sliding block 305 is installed inside the linear guide rail 304, a swinging support 306 is installed on the support sliding block 305, the other side of the swinging support 306 is provided with a groove located in a rotating stroke range of the eccentric wheel 303, and the swinging support 306 is connected with a cleaning brush 307.

Draw/hoist cable surface cleaning device to one side, circular arc rotating platform 1 includes circular arc guide rail 100, the outside of circular arc guide rail 100 be provided with for with draw/hoist cable inspection robot erection joint's support frame 108 to one side, the inboard of circular arc guide rail 100 is provided with internal gear circular arc 101, install circumference slider 103 on the circular arc guide rail 100, install on the circumference slider 103 with gear 105 of internal gear circular arc 101 meshing, gear 105 connects gear drive motor 107, circumference slider 103 on be fixed with the connection board 102 that is used for installing backup pad 104 and motor bottom suspension fagging 106 on the motor of gear drive motor 107, connection board 102 is used for connecting telescopic machanism 2.

In the inclined pull/sling surface cleaning device, the telescopic mechanism 2 comprises a base 201, one end of the base 201 is provided with a guide rail 203 through a platform 202, and the guide rail 203 is provided with a straight slide block 204; the utility model discloses a cleaning module, including base 201, telescopic bracket 211, guide rail 203, lead screw drive motor 212, lead screw 210, short support 207 of hinge is connected through square nut 208 on the lead screw 210, telescopic bracket 211 goes up one with lead screw 210 that guide rail 203 is perpendicular, lead screw 210 connects lead screw drive motor 212, connect the short support 207 of hinge through square nut 208, telescopic bracket 211 is last still long support 209 of fixed mounting, long support 209 of hinge with a scissors link mechanism 206 is articulated on the short support 207 of hinge, the free end of scissors link mechanism 206 connects thrust bracket 205, craspedodrome slider 204 with install on the thrust bracket 205 cleaning module 3.

The working process is as follows:

after the scheme is adopted, the working process of the invention is as follows: the base 201 and the platform 202 are in sliding clearance fit, the side face of the base 202 is provided with a plurality of threaded holes, the base 201 is tightly pressed through bolts, so that the base 201 and the platform 202 cannot move relatively, and in order to adapt to the diameter change of the pull/sling, the relative position of the platform 202 and the base 201 can be adjusted in advance during installation, so that the distance between the cleaning module and the surface of the pull/sling is adjusted, and the cleaning module is locked by the bolts. The gear driving motor 107 is started to drive the gear 105 to rotate, and the gear 105 makes a circular motion in the internal gear arc due to the meshing of the gear 105 and the internal gear arc 101, so that the whole circular slide block 103 unit is driven to rotate around the pulling/lifting rope. Meanwhile, the cleaning motor 302 is started to drive the eccentric wheel 303 to rotate, and the swinging support 305 is driven to circularly reciprocate to finish the cleaning work.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the embodiments described herein, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.

Claims

1. A diagonal tension/sling surface cleaning device is characterized in that the device comprises an arc rotating platform (1), a cleaning module (3) is arranged on the arc rotating platform through a telescopic mechanism (2), the cleaning module (3) comprises a cleaning motor bracket (301), a cleaning motor (302) is arranged on the cleaning motor bracket (301), an output shaft of the cleaning motor (302) is connected with an eccentric wheel (303), a linear guide rail (304) is also arranged on the cleaning motor bracket (301), a bracket sliding block (305) is arranged in the linear guide rail (304), a swinging bracket (306) is arranged on the bracket sliding block (305), the other side of the swing bracket (306) is provided with a groove which is positioned in the rotating stroke range of the eccentric wheel (303), and the swing bracket (306) is connected with a cleaning brush (307).

2. The cable-stayed/sling surface cleaning apparatus as defined in claim 1, the arc rotating platform (1) comprises an arc guide rail (100), a support frame (108) used for being installed and connected with the cable-stayed/sling detection robot is arranged on the outer side of the arc guide rail (100), an inner gear arc (101) is arranged on the inner side of the arc guide rail (100), a circumferential slide block (103) is arranged on the arc guide rail (100), a gear (105) meshed with the inner gear arc (101) is arranged on the circumferential sliding block (103), the gear (105) is connected with a gear driving motor (107), the circumferential sliding block (103) is fixedly provided with a connecting plate (102) which is used for installing a motor upper supporting plate (104) and a motor lower supporting plate (106) of the gear driving motor (107), and the connecting plate (102) is used for connecting the telescopic mechanism (2).

3. The cable-stayed/sling surface cleaning device according to claim 1, wherein the telescopic mechanism (2) comprises a base (201), one end of the base (201) is provided with a guide rail (203) through a platform (202), and the guide rail (203) is provided with a straight slide block (204); base (201) other end installation telescopic bracket (211), on telescopic bracket (211) install one with guide rail (203) vertically lead screw (210), lead screw driving motor (212) is connected in lead screw (210), connect short support of hinge (207) through square nut (208) on lead screw (210), still long support of hinge (209) of fixed mounting on telescopic bracket (211), long support of hinge (209) with short support of hinge (207) go up articulated one and cut fork link mechanism (206), the free end of cutting fork link mechanism (206) is connected thrust bracket (205), craspedodrome slider (204) with thrust bracket (205) on install clearance module (3).