CN109610399B - Bridge stay cable deicing device - Google Patents
Bridge stay cable deicing device Download PDFInfo
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- CN109610399B CN109610399B CN201811488227.XA CN201811488227A CN109610399B CN 109610399 B CN109610399 B CN 109610399B CN 201811488227 A CN201811488227 A CN 201811488227A CN 109610399 B CN109610399 B CN 109610399B
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- 230000007246 mechanism Effects 0.000 claims abstract description 138
- 230000033001 locomotion Effects 0.000 claims abstract description 20
- 230000009471 action Effects 0.000 claims abstract description 7
- 230000009194 climbing Effects 0.000 claims abstract description 4
- 230000003068 static effect Effects 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 claims description 17
- 239000002131 composite material Substances 0.000 claims description 8
- 238000003466 welding Methods 0.000 claims description 6
- 239000000725 suspension Substances 0.000 claims 1
- 238000005265 energy consumption Methods 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 25
- 238000000034 method Methods 0.000 description 6
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 239000010410 layer Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H5/00—Removing snow or ice from roads or like surfaces; Grading or roughening snow or ice
- E01H5/12—Apparatus or implements specially adapted for breaking, disintegrating, or loosening layers of ice or hard snow with or without clearing or removing ; Roughening ice or hard snow by means of tools
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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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The bridge stay cable deicing device comprises a deicing head, a fixed outer frame, a first travelling mechanism and a second travelling mechanism, wherein the deicing head, the first travelling mechanism and the second travelling mechanism are sequentially arranged on the fixed outer frame from top to bottom, and a buffer mechanism is arranged between the first travelling mechanism and the deicing head; an electric push rod is arranged between the fixed outer frames where the first travelling mechanism and the second travelling mechanism are located, and the electric push rod stretches out and retracts to drive the first travelling mechanism and the second travelling mechanism to climb along the fixed outer frames; the climbing movement of the first travelling mechanism and the second travelling mechanism on the fixed outer frame drives the deicing head to ascend along the single stay cable to perform deicing, and when the deicing head performs deicing action, the first travelling mechanism and the second travelling mechanism are respectively in a relatively static state with the fixed outer frame. The ice-removing device can remove ice perfectly under the working condition of different ice thicknesses, has enough force to break ice, can remove thin ice blocks adhered to the surface of the inhaul cable, and has low energy consumption.
Description
Technical Field
The invention relates to a deicing device, in particular to a bridge stay cable deicing device.
Background
With the maturation of bridge construction technology, a plurality of cross-river and cross-sea bridges are built in succession in China and worldwide. For example, the center span of the Russian island bridge is up to 1100 meters, the length of the stay cable is up to 580 meters, and the highest point of the stay cable is close to 100 meters from the ground; 2470 m of the Chinese Jinjiang big bridge tower, 134 m of the main bridge tower. In such a high-altitude environment, when the weather conditions of severe cold, rain and snow and high humidity are met, water vapor and small water drops in the air are easily condensed and accumulated on the surface of the bridge stay cable to form ice cubes. More specifically, in some extremely cold weather areas, the freezing speed is higher. In addition, in order to reduce the erosion and corrosion of wind and rain to the stay cable in the high-altitude environment, some building companies can add a layer of wind resistance material on the surface of the stay cable, and the layer of material can enable the surface of the stay cable to be more prone to forming ice cubes.
At present, domestic research on deicing of stay cables has almost just begun. In the first month of 2018, the middle-iron bridge scientific institute company limited invented a cable-stayed bridge zipper intelligent dehumidification deicing system and method (application number: 201810073182.3), and provided a method for utilizing heated air in the interior of a stayed cable to achieve the purpose of deicing, but the method has extremely high energy consumption, and the system still works automatically even if the outside is not frozen but the temperature is low. Foreign to the world, victor f. Petrenko, charles r. Sullivan, valeri Kozlyuk, fedor v. Petrenko, victor veerashamy et al have proposed a Pulse electrothermal de-icer (PETD) in 2011, but this method is only applicable to bridge superstructure, but not very good removal of ice cubes on the stay cables.
Therefore, aiming at the problems of ice cubes and snow on the outer part of the bridge stay cable, it is highly desirable to design a deicing device which meets the above complex working environment and can solve the above problems.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a bridge stay cable deicing device which can be used for perfectly deicing under the working condition of different ice thicknesses, has enough force to break ice cubes, can remove thin ice blocks adhered to the surface of a stay cable, and has low energy consumption.
In order to solve the technical problems, the technical scheme provided by the invention is as follows: the bridge stay cable deicing device comprises a deicing head, a fixed outer frame, a first travelling mechanism and a second travelling mechanism, wherein the deicing head, the first travelling mechanism and the second travelling mechanism are sequentially arranged on the fixed outer frame from top to bottom, and a buffer mechanism is arranged between the first travelling mechanism and the deicing head; an electric push rod is arranged between the fixed outer frames where the first travelling mechanism and the second travelling mechanism are located, the electric push rod is also arranged on the fixed outer frames, and the electric push rod stretches out and retracts to drive the first travelling mechanism and the second travelling mechanism to climb along the fixed outer frames; the climbing motion of the first travelling mechanism and the second travelling mechanism on the fixed outer frame drives the deicing head to ascend along the single stay cable to perform deicing, and when the deicing head performs deicing motion, the first travelling mechanism and the second travelling mechanism are respectively in a relative static state with the fixed outer frame.
As a further improvement of the above technical scheme: the first travelling mechanism comprises a first rotating shell, a second rotating shell, a composite material bushing, a motor A, a transmission shaft A and a spherical nut, wherein one side connecting edge of the first rotating shell and one side connecting edge of the second rotating shell are connected through a positioning pin shaft fixed on a fixed outer frame, the other side connecting edge of the first rotating shell and the second rotating shell are connected through the transmission shaft A, one end of the transmission shaft A is connected with the motor A through a coupler A, the other end of the transmission shaft A penetrates through the spherical nut and can rotate in the spherical nut, the spherical nut is installed in a spherical nut end cover, the spherical nut end cover is installed on the first rotating shell, and the motor A is installed on the second rotating shell; the first rotating shell and the second rotating shell are tightly held and the stay cable is loosened by means of rotation of the transmission shaft A in the spherical nut; the composite material bushing is respectively connected and fixed on the inner walls of the first rotating shell and the second rotating shell through interference fit, and the ends of the first rotating shell and the second rotating shell are fixed together with the fixed outer frame through cylindrical pins.
Further, the first rotating housing and the second rotating housing are provided with a connecting spring A at the opening and closing side.
Further, the first travelling mechanism and the second travelling mechanism are identical in structure.
Further, the deicing head comprises a first semicircular deicing head, a second semicircular deicing head, a high-speed vibrator, cams, a motor B and a coupler B, wherein the first semicircular deicing head is connected with the second semicircular deicing head through bolts, the number of the high-speed vibrators is two, the high-speed vibrators are respectively fixed on the inner walls of the first semicircular deicing head and the second semicircular deicing head in a welding mode, the motor B is connected with a rotating shaft of the cams through the coupler B, the first semicircular deicing head and the second semicircular deicing head are respectively arranged on a sleeve A for being connected with a fixed outer frame, the number of the cams is two, and the two cams are respectively in one-to-one contact with the first semicircular deicing head and the second semicircular deicing head; because the invention is applied to the stay cable of the bridge, and the stay cable is generally long, if the deicing head is made into a whole, the deicing head is split into a semicircular deicing head and a second semicircular deicing head.
Furthermore, the deicing ends of the first semicircular deicing head and the second semicircular deicing head are of zigzag structures, a connecting spring B is arranged between the first semicircular deicing head and the mounting plate of the buffer mechanism, and the first semicircular deicing head and the second semicircular deicing head are always in contact with the cam under the action of the connecting spring B.
Further, the fixed outer frame comprises a bottom plate, a guide rail, a first running mechanism mounting plate, a second running mechanism mounting plate, a buffer mechanism mounting plate, a sleeve B and a positioning pin shaft, wherein the bottom plate, the second running mechanism mounting plate, the first running mechanism mounting plate and the buffer mechanism mounting plate are sequentially arranged in parallel from bottom to top, two ends of the electric push rod are respectively connected with the bottom plate and the second running mechanism mounting plate through bolts, the sleeve B is vertically arranged on four guide holes of the first running mechanism mounting plate and the buffer mechanism mounting plate, and the outer circular surface of the sleeve B is respectively connected with the first running mechanism mounting plate and the buffer mechanism mounting plate in a welding mode; the number of the positioning pins is two, and the positioning pins are vertically welded on the bottom plate and the second travelling mechanism mounting plate respectively; the bottom of the guide rail is connected with the bottom plate through threads, and the guide rail and the sleeve B are on the same straight line.
Further, buffer gear includes buffer spring and spring direction telescopic link, buffer spring cover is in the spring direction telescopic link outside, spring direction telescopic link includes flexible interior pole and flexible outer pole, flexible interior pole welded connection is on the buffer gear mounting panel, flexible outer pole welded connection is on first running gear mounting panel.
Further, the number of the sleeves B and the number of the guide rails are four, one sleeve B is matched with one guide rail to form a straight line side, and the four straight line sides are arranged in a square or parallelogram.
Further, the bottom plate, the first travelling mechanism mounting plate, the second travelling mechanism mounting plate and the buffer mechanism mounting plate are all of a transverse U-shaped structure.
Compared with the prior art, the invention has the advantages that:
1. the ice removing principle of the invention is that the ice removing head is driven to strike the ice cubes by the movement of the cam, and the ice removing head is made of metal materials with hardness much greater than that of the ice cubes, so that the ice cubes can be removed no matter how thick or large, and the ice cubes cannot be damaged or the service life of the bridge stayed cable is influenced in the ice removing process;
2. as the ice cubes and the outer surface of the inhaul cable form a coating layer, the invention has enough force to break the ice cubes; the ice removing device has the advantages that the ice removing device can remove thin ice blocks adhered to the surface of the stay cable in the ice removing process, the high-speed vibrators are arranged in the two semicircular deicing heads, the hammering force of the high-speed vibrators is not large, but the vibration frequency is high, and when the ice removing device makes ascending motion, the high-speed vibrators can continuously work to remove the thin ice layer coated on the surface of the stay cable;
3. the invention can automatically return after deicing reaches the top of the zipper, and has lower energy consumption.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of a partial structure of a deicing head according to the present invention;
FIG. 3 is a schematic view of a first travel mechanism of the present invention;
FIG. 4 is a schematic view of the ball nut of the first travel mechanism of the present invention;
FIG. 5 is a schematic view of the ball nut end cap of the first travel mechanism of the present invention;
fig. 6 is a schematic structural view of the fixed outer frame in the present invention.
Legend description:
1. deicing the head; 11. a first semicircular deicing head; 12. a second semicircular deicing head; 13. a high-speed vibrator; 14. a cam; 15. a motor B; 16. a coupling B; 17. a sleeve A; 18. a connecting spring B; 2. fixing the outer frame; 21. positioning pin shafts; 22. a bottom plate; 23. a guide rail; 24. a first travel mechanism mounting plate; 25. a second running gear mounting plate; 26. a buffer mechanism mounting plate; 27. a sleeve B; 3. a first travel mechanism; 31. a first rotating housing; 32. a second rotary housing; 33. a composite bushing; 34. a motor A; 35. a transmission shaft A; 36. a ball nut; 37. a coupling A; 38. a ball nut end cap; 39. a cylindrical pin; 4. a second travelling mechanism; 5. a buffer mechanism; 51. a buffer spring; 52. a spring-guided telescopic rod; 521. a telescopic inner rod; 522. a telescoping outer rod; 6. an electric push rod; 7. and a connecting spring A.
Detailed Description
The present invention will be described more fully hereinafter with reference to the accompanying drawings, in which preferred embodiments are shown, for the purpose of illustrating the invention, but the scope of the invention is not limited to the specific embodiments shown.
As shown in fig. 1 to 6, a bridge stay cable deicing device comprises a deicing head 1, a fixed outer frame 2, a first travelling mechanism 3 and a second travelling mechanism 4, wherein the deicing head 1, the first travelling mechanism 3 and the second travelling mechanism 4 are sequentially arranged on the fixed outer frame 2 from top to bottom, and a buffer mechanism 5 is arranged between the first travelling mechanism 3 and the deicing head 1; an electric push rod 6 is arranged between the fixed outer frames 2 where the first travelling mechanism 3 and the second travelling mechanism 4 are positioned, the electric push rod 6 is also arranged on the fixed outer frames 2, and the electric push rod 6 stretches out and retracts to drive the first travelling mechanism 3 and the second travelling mechanism 4 to climb along the fixed outer frames 2; the climbing movement of the first travelling mechanism 3 and the second travelling mechanism 4 on the fixed outer frame 2 drives the deicing head 1 to ascend along a single stay cable to perform deicing, and when the deicing head 1 performs deicing action, the first travelling mechanism 3 and the second travelling mechanism 4 are respectively in a relatively static state with the fixed outer frame 2.
In this embodiment, the first travelling mechanism 3 includes a first rotating housing 31, a second rotating housing 32, a composite bushing 33, a motor a34, a transmission shaft a35 and a ball nut 36, one side connecting edge of the first rotating housing 31 and the second rotating housing 32 is connected through a positioning pin 21 fixed on the fixed outer frame 2, the other side connecting edge is connected through the transmission shaft a35, one end of the transmission shaft a35 is connected with the motor a34 through a coupling a37, the other end passes through the ball nut 36 and can rotate in the ball nut 36, the ball nut 36 is installed in a ball nut end cover 38, the ball nut end cover 38 is installed on the first rotating housing 31, and the motor a34 is installed on the second rotating housing 32; the first rotating shell 31 and the second rotating shell 32 are held tightly and the stay cable is loosened by the rotation of the transmission shaft A35 in the spherical nut 36; the composite material bushing 33 is fixed on the inner walls of the first rotating shell 31 and the second rotating shell 32 through interference fit connection respectively, and the ends of the first rotating shell 31 and the second rotating shell 32 are fixed with the fixed outer frame 2 through cylindrical pins 39.
In this embodiment, a protruding cylinder is provided on the outer surface of the ball nut 36 to form a clearance fit with the ball nut end cap 38 and the semicircular hole on the first rotating housing 31.
In the present embodiment, the first and second rotary housings 31 and 32 are provided with a connection spring A7 on the opening and closing side.
In the present embodiment, the first running mechanism 3 and the second running mechanism 4 have the same structure.
In this embodiment, the deicing head 1 includes a first semicircular deicing head 11, a second semicircular deicing head 12, a high-speed vibrator 13, a cam 14, a motor B15 and a coupling B16, where the first semicircular deicing head 11 and the second semicircular deicing head 12 are connected by bolts, the high-speed vibrator 13 is two in number and fixed on the inner walls of the first semicircular deicing head 11 and the second semicircular deicing head 12 by welding respectively, the motor B15 is connected with the rotating shaft of the cam 14 by the coupling B16, the first semicircular deicing head 11 and the second semicircular deicing head 12 are both provided with a sleeve a17 for connecting with the fixed outer frame 2, the cam 14 is two in number, and the two cams 14 are always in one-to-one contact with the first semicircular deicing head 11 and the second semicircular deicing head 12 respectively.
In this embodiment, the deicing ends of the first semicircular deicing head 11 and the second semicircular deicing head 12 are in zigzag structure, a connecting spring B18 is disposed between the first semicircular deicing head 11 and the mounting plate of the second semicircular deicing head 12 and the mounting plate of the buffer mechanism 5, and the first semicircular deicing head 11 and the second semicircular deicing head 12 are always in contact with the cam 14 under the action of the connecting spring B18.
In this embodiment, the fixed outer frame 2 includes a bottom plate 22, a guide rail 23, a first running mechanism mounting plate 24, a second running mechanism mounting plate 25, a buffer mechanism mounting plate 26, a sleeve B27 and a positioning pin 21, where the bottom plate 22, the second running mechanism mounting plate 25, the first running mechanism mounting plate 24 and the buffer mechanism mounting plate 26 are sequentially arranged in parallel from bottom to top, two ends of the electric push rod 6 are respectively connected with the bottom plate 22 and the second running mechanism mounting plate 25 through bolts, the sleeve B27 is vertically arranged on four guide holes of the first running mechanism mounting plate 24 and the buffer mechanism mounting plate 26, and the outer circular surface of the sleeve B27 is respectively connected with the first running mechanism mounting plate 24 and the buffer mechanism mounting plate 26 through welding; the number of the positioning pins 21 is two, and the positioning pins are vertically welded on the bottom plate 22 and the second travelling mechanism mounting plate 25 respectively; the bottom of the guide rail 23 is connected with the bottom plate 22 through threads, and the guide rail 23 and the sleeve B27 are on the same straight line; the sleeve B27 is used for protecting the mounting plates when the mounting plates move up and down on the four guide rails 23, and simultaneously ensures that the mounting plates can slide relative to each other; the sleeve B27 is installed between the above-mentioned several mounting plates and the guide rail 23, the above-mentioned several mounting plates and the sleeve B27 are fixedly connected, they can move up and down along the guide rail 23, and the sleeve B27 functions: if only the mounting plates are in direct contact with the guide rail 23, firstly the mounting plates are thin and damaged, and secondly the sleeve B27 can increase the contact area during sliding to ensure high motion stability.
In this embodiment, the buffer mechanism 5 includes a buffer spring 51 and a spring guiding telescopic rod 52, the buffer spring 51 is sleeved outside the spring guiding telescopic rod 52, the spring guiding telescopic rod 52 has a certain telescopic stroke, the spring guiding telescopic rod 52 includes a telescopic inner rod 521 and a telescopic outer rod 522, the telescopic inner rod 521 is welded on the buffer mechanism mounting plate 26, and the telescopic outer rod 522 is welded on the first travelling mechanism mounting plate 24.
In this embodiment, the number of the sleeves B27 and the guide rails 23 is four, one sleeve B27 is matched with one guide rail 23 to form a straight line side, the four straight line sides are arranged in a square or parallelogram, the whole fixed outer frame 2 can be said to be oriented and supported by four guide rails 23, and four guide rails are made to be symmetrical, so that the symmetrical parts are stressed uniformly during movement.
In this embodiment, the bottom plate 22, the first running mechanism mounting plate 24, the second running mechanism mounting plate 25, and the buffer mechanism mounting plate 26 are all in a transverse U-shaped structure.
The working principle of this embodiment is as follows: the motion of the bridge stay cable deicing device of the embodiment is mainly divided into two parts, namely, the whole motion and deicing motion along the stay cable. The lifting movement of the whole bridge stay cable deicing device is completed by the coordination and the matching of the second travelling mechanism 4 and the first travelling mechanism 3, and the lifting movement is represented by a stepping lifting mode. At rest, the first 31 and second 32 rotary housings of the second running gear 4, the first 31 and second 32 rotary housings of the first running gear 3 clamp the stay cable such that the friction between the composite bushing 33 inside the stay cable and the stay cable increases enough to support the weight of the whole device and other external forces. When the lifting movement is started, the motor A34 of the first travelling mechanism 3 drives the transmission shaft A35 to rotate, at the moment, the spherical nut 36 can not rotate along with the transmission shaft A35, so that the first rotating shell 31 and the second rotating shell 32 of the first travelling mechanism 3 rotate around the positioning pin shaft 21 to enable the first rotating shell and the second rotating shell not to clamp the stay cable, and at the moment, the push rod of the electric push rod 6 starts to extend to push the second travelling mechanism 4 and the deicing head 1 to perform lifting movement along the guide rail 23; when the electric push rod 6 rises to a certain distance, the motor A34 of the first travelling mechanism 3 works to enable the first rotary shell 31 and the second rotary shell 32 to clamp the stay cable again, then the motor A34 of the second travelling mechanism 4 works to enable the first rotary shell 31 and the second rotary shell 32 to rotate around the positioning pin shaft 21 so as to enable the first rotary shell 31 and the second rotary shell 32 not to clamp the stay cable again, at the moment, the electric push rod 6 starts to execute return motion, namely, the push rod contracts to drive the fixed outer frame 2 and the first travelling mechanism 3 on the fixed outer frame 2 to do rising motion, and after the electric push rod 6 returns to an initial state, the motor A34 in the second travelling mechanism 4 works to enable the first rotary shell 31 and the second rotary shell 32 to rotate around the positioning pin shaft 21 so as to clamp the stay cable again. So far, the whole device completes the action of one-step rising movement. In the deicing operation of this embodiment, the motor B15 drives the cam 14 to rotate, so as to push the first semicircular deicing head 11 to move up and down to implement impact deicing. When the deicing operation is performed, the second travelling mechanism 4 and the first travelling mechanism 3 are stationary and keep their respective first rotating housing 31 and second rotating housing 32 in a clamped stay cable state.
Claims (4)
1. The utility model provides a bridge suspension cable defroster which characterized in that: the deicing device comprises a deicing head (1), a fixed outer frame (2), a first travelling mechanism (3) and a second travelling mechanism (4), wherein the deicing head, the first travelling mechanism (3) and the second travelling mechanism (4) are sequentially arranged on the fixed outer frame (2) from top to bottom, and a buffer mechanism (5) is arranged between the first travelling mechanism (3) and the deicing head (1); an electric push rod (6) is arranged between the fixed outer frames (2) where the first travelling mechanism (3) and the second travelling mechanism (4) are located, the electric push rod (6) is also arranged on the fixed outer frames (2), and the electric push rod (6) stretches out and retracts to drive the first travelling mechanism (3) and the second travelling mechanism (4) to climb along the fixed outer frames (2); the climbing motion of the first travelling mechanism (3) and the second travelling mechanism (4) on the fixed outer frame (2) drives the deicing head (1) to ascend along a single stay cable to deicing, and when the deicing head (1) performs deicing action, the first travelling mechanism (3) and the second travelling mechanism (4) are respectively in a relatively static state with the fixed outer frame (2);
the deicing head (1) comprises a first semicircular deicing head (11), a second semicircular deicing head (12), a high-speed vibrator (13), a cam (14), a motor B (15) and a coupler B (16), wherein the deicing ends of the first semicircular deicing head (11) and the second semicircular deicing head (12) are of zigzag structures, the first semicircular deicing head (11) and the second semicircular deicing head (12) are connected through bolts to form a whole circular structure, a connecting spring B (18) is arranged between the first semicircular deicing head (11) and the mounting plate of the second semicircular deicing head (12) and the buffer mechanism (5), the first semicircular deicing head (11) and the second semicircular deicing head (12) are always in contact with the cam (14) under the action of the connecting spring B (18), the high-speed vibrator (13) drives the ice blocks to be in quantity of two through the movement of the cam (14), the motor B (15) are fixed on the inner walls of the first semicircular deicing head (11) and the second semicircular head (12) through welding modes respectively, the first semicircular deicing head (12) and the second semicircular head (12) are connected with the rotary shaft (17) through the cam (14) and the rotary shaft (17) to be fixed on the rotary shaft (2), the number of the cams (14) is two, and the two cams (14) are respectively contacted with the first semicircular deicing head part (11) and the second semicircular deicing head part (12) one to one;
the fixed outer frame (2) comprises a bottom plate (22), a guide rail (23), a first traveling mechanism mounting plate (24), a second traveling mechanism mounting plate (25), a buffer mechanism mounting plate (26), a sleeve B (27) and a positioning pin shaft (21), wherein the bottom plate (22), the second traveling mechanism mounting plate (25), the first traveling mechanism mounting plate (24) and the buffer mechanism mounting plate (26) are sequentially arranged in parallel from bottom to top, two ends of the electric push rod (6) are respectively connected with the bottom plate (22) and the second traveling mechanism mounting plate (25) through bolts, the sleeve B (27) is vertically arranged on four guide holes of the first traveling mechanism mounting plate (24) and the buffer mechanism mounting plate (26), the outer circular surface of the sleeve B (27) is respectively connected with the first traveling mechanism mounting plate (24) and the buffer mechanism mounting plate (26) through welding, the number of the positioning pin shafts (21) is two, the bottoms of the guide rail (23) are respectively and vertically welded on the bottom plate (22) and the second traveling mechanism mounting plate (25), the bottoms of the guide rail (23) are connected with the bottom plate (22) through threads, and the sleeve B (27) are on the same straight line;
the structure of the first travelling mechanism (3) is the same as that of the second travelling mechanism (4), the first travelling mechanism (3) comprises a first rotary shell (31), a second rotary shell (32), a composite material bushing (33), a motor A (34), a transmission shaft A (35) and a spherical nut (36), the first rotary shell (31) and the second rotary shell (32) are provided with a connecting spring A (7) at the opening and closing side, one side connecting edge of the first rotary shell (31) and one side connecting edge of the second rotary shell (32) are connected through a positioning pin shaft (21) fixed on a fixed outer frame (2), the other side connecting edge is connected through the transmission shaft A (35), one end of the transmission shaft A (35) is connected with the motor A (34) through a coupler A (37), the other end of the transmission shaft A (35) penetrates through the spherical nut (36) and can rotate in the spherical nut (36), the spherical nut (36) is arranged in the spherical nut end cover (38), the spherical nut (38) is arranged on the first rotary shell (31), and the motor A (34) is arranged on the second rotary shell (32). The first rotating shell (31) and the second rotating shell (32) are held tightly and the stay cable is loosened by means of rotation of the transmission shaft A (35) in the spherical nut (36); the composite material bushing (33) is respectively connected and fixed on the inner walls of the first rotating shell (31) and the second rotating shell (32) through interference fit, and the ends of the first rotating shell (31) and the second rotating shell (32) are fixed together with the fixed outer frame (2) through cylindrical pins (39).
2. The bridge stay cable de-icing device of claim 1, wherein: the buffer mechanism (5) comprises a buffer spring (51) and a spring guiding telescopic rod (52), the buffer spring (51) is sleeved outside the spring guiding telescopic rod (52), the spring guiding telescopic rod (52) comprises a telescopic inner rod (521) and a telescopic outer rod (522), the telescopic inner rod (521) is welded on the buffer mechanism mounting plate (26), and the telescopic outer rod (522) is welded on the first travelling mechanism mounting plate (24).
3. The bridge stay cable de-icing device of claim 1, wherein: the number of the sleeves B (27) and the guide rails (23) is four, one sleeve B (27) is matched with one guide rail (23) to form a straight line side, and the four straight line sides are arranged in a square or parallelogram.
4. The bridge stay cable de-icing device of claim 1, wherein: the bottom plate (22), the first travelling mechanism mounting plate (24), the second travelling mechanism mounting plate (25) and the buffer mechanism mounting plate (26) are all of transverse U-shaped structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811488227.XA CN109610399B (en) | 2018-12-06 | 2018-12-06 | Bridge stay cable deicing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811488227.XA CN109610399B (en) | 2018-12-06 | 2018-12-06 | Bridge stay cable deicing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109610399A CN109610399A (en) | 2019-04-12 |
| CN109610399B true CN109610399B (en) | 2024-01-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811488227.XA Active CN109610399B (en) | 2018-12-06 | 2018-12-06 | Bridge stay cable deicing device |
Country Status (1)
| Country | Link |
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| CN110396929A (en) * | 2019-07-26 | 2019-11-01 | 中铁武汉勘察设计研究院有限公司 | A kind of anti-freeze method and system of cable-stayed bridge cable casing |
| CN113319026B (en) * | 2021-06-30 | 2023-10-03 | 张培振 | Traction type bridge stay cable cleaning device |
| CN113262998B (en) * | 2021-06-30 | 2023-10-03 | 张培振 | Bridge stay cable cleaning device |
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