CN220311095U - Ejection type stay cable snow removing device - Google Patents

Abstract

The utility model relates to an ejection type stay cable snow removing device, which comprises an annular device and an ejection device matched with the annular device, wherein the annular device comprises an annular fixing frame sleeved on a stay cable and a plurality of threaded sleeves arranged along the annular fixing frame; the ejection device comprises a base and an ejection channel rotatably connected with the base, a booster matched with the annular device is arranged on the outer side of the ejection channel, a transmission mechanism for driving the booster is arranged on the inner side of the ejection channel, and a telescopic rod for adjusting the inclination angle of the ejection channel is arranged between the ejection channel and the base. When the snow removing device is used, the driving wheel rotates at a high speed to drive the follower to move at a high speed on the gear, so that the booster pushes the snow removing device, then the buffer is used for stopping pushing, the snow removing device obtains a large initial speed, then moves to a designated working position to finish primary snow removing, then falls under the action of gravity to finish secondary snow removing, and the snow removing device is high in snow removing efficiency and convenient to use. Meanwhile, the device has the advantages of simple overall design structure and convenient installation.

Description

Ejection type stay cable snow removing device

Technical Field

The utility model relates to the technical field of snow removing devices, in particular to an ejection type stay cable snow removing device, and especially relates to an ejection type stay cable snow removing device for a stay cable bridge.

Background

The cable-stayed bridge has the advantages of large spanning capacity, attractive appearance and the like, and is one of main bridge types of large-span bridges in China, wherein the cable-stayed cable is a main bearing and force transmission member of the cable-stayed bridge.

In the operation and maintenance process of the cable-stayed bridge, certain rain and snow can be reserved on the inhaul cable after rainy and snowy days, and ice can be formed when the temperature is lower than 0 ℃. The cable surface icing can lead to the fact the influence to the atress of cable, and the ice-cube that condenses on the cable can receive the influence of external factors such as temperature rise, wind blows or the normal vibration of cable simultaneously and lead to the ice-cube to drop from the cable, can lead to the fact great potential safety hazard to the vehicle of normally traveling on the bridge floor.

At present, the research on stay cable snow removal is not perfect, and the common solution thinking is divided into two types. One is to pull the snow removing device to a designated working position through power equipment such as a winch and the like, and slide the snow removing device under the action of gravity. The method has the advantages of simple installation, small snow removing device and low manufacturing cost. The disadvantage is that the snow removing effect is poor, repeated traction is required if the snow removing effect is enhanced by repeated snow removing, and the operation is complicated. Another idea is that the snow removing device is provided with a power device and drives the snow removing device to reach a designated working position. Such as retrofitting unmanned aerial vehicles, jet snow removal devices, etc., the method has the advantage that the device is controllable to remove snow. The device has the defects of complex structure, high manufacturing cost and complex post maintenance work.

Disclosure of Invention

The utility model aims to provide an improved ejection type stay cable snow removing device, which can remove snow secondarily through the ejection force and the gravity effect by improving the structure, and has the advantages of high snow removing efficiency, light weight and low use cost.

In order to achieve the above object, the technical scheme of the present utility model is as follows: the utility model provides an ejection formula suspension cable snow removing device, snow removing device sets up on the bridge floor and cooperates its characterized in that with suspension cable on the bridge floor: the snow removing device comprises an annular device and an ejection device matched with the annular device, wherein the annular device comprises an annular fixing frame sleeved on the stay cable and a plurality of threaded sleeves arranged along the annular fixing frame; the ejection device comprises a base and an ejection channel rotatably connected with the base, a booster matched with the annular device is arranged on the outer side of the ejection channel, a transmission mechanism for driving the booster is arranged on the inner side of the ejection channel, and a telescopic rod for adjusting the inclination angle of the ejection channel is arranged between the ejection channel and the base.

Preferably, 6-12 threaded sleeves are arranged along the circumference of the annular fixing frame, the threaded sleeves are connected with the annular fixing frame through threaded rods, one ends of the threaded rods are connected with travelling wheels or snow removing sheets through connecting rods, and the travelling wheels and the snow removing sheets are attached to the outer diameter of the stay cable.

Further, the transmission mechanism comprises a motor, a driving wheel and a follower, the motor is connected with the driving wheel through a fastening device, a tooth path is arranged on the inner side of the ejection path, and the driving wheel and the follower which are matched with the tooth path are arranged on the tooth path.

Further, one end of the telescopic rod is fixedly connected with the base, and the other end of the telescopic rod is connected with the ejection channel through the hinge ball.

Furthermore, the ejection channel and the stay cable are arranged in parallel, one end of the ejection channel is hinged with the base through the rotating shaft, and the other end of the ejection channel is provided with a buffer for blocking the booster.

Compared with the prior art, the technical scheme of the utility model comprises a plurality of improvements in detail besides the improvement of the whole technical scheme, and particularly has the following beneficial effects:

1. according to the improved scheme, the snow removing device comprises the annular device and the ejection device matched with the annular device, and the snow removing device obtains very high initial speed through ejection force, so that the snow removing device can quickly reach a designated working position to finish primary snow removing, then falls under the action of gravity to finish secondary snow removing, and the snow removing device is high in snow removing efficiency and convenient to use;

2. according to the technical scheme, the annular device comprises the annular fixing frame sleeved on the stay cable and a plurality of threaded sleeves arranged along the annular fixing frame, the matching degree of the snow removing component on the annular device and the stay cable is good, the snow can be removed rapidly and efficiently in the moving process, and the snow removing component is not easy to block a shell;

3. in the structure of the utility model, the transmission mechanism for driving the booster is arranged on the inner side of the ejection channel, the telescopic rod for adjusting the inclination angle of the ejection channel is arranged between the ejection channel and the base, and the angle of the ejection channel can be adjusted according to the position of the stay cable, so that the annular device is ejected effectively and at high speed, and the snow removing effect is ensured;

4. the utility model has the advantages of small size, simplicity, reasonable structural arrangement, lower production cost, convenient use and convenient popularization and utilization.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic structural view of the ring-shaped fixing frame of the present utility model.

FIG. 3 is a schematic diagram of calculation in an embodiment of the present utility model.

Reference numerals:

a stay cable 1, a snow removing device 2, a catapulting device 3 and a bridge deck 4;

21 annular fixing frames, 22 threaded rods, 23 threaded sleeves, 24 traveling wheels, 25 snow removing sheets and 26 connecting rods;

301 booster, 302 ejection channel, 303 buffer, 304 gear channel, 305 hinged ball, 306 telescopic rod, 307 base, 308 moving wheel, 309 motor, 310 fastening device, 311 driving wheel, 312 follower wheel, 313 rotation axis.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides an ejection type stay cable snow removing device, which is arranged on a bridge deck and matched with a stay cable on the bridge deck, and particularly referring to fig. 1, the ejection type stay cable snow removing device is different from the prior art in that: the snow removing device comprises an annular device 2 and an ejection device 3 matched with the annular device, the annular device can reciprocate along the stay cable under the ejection drive of the ejection device, and then the purpose of rapid snow removing is achieved, specifically, the annular device comprises an annular fixing frame 21 sleeved on the stay cable and a plurality of threaded sleeves 23 arranged along the annular fixing frame; the ejection device comprises a base 307 and an ejection channel 302 which is rotatably connected with the base, wherein a booster 301 matched with the annular device is arranged on the outer side of the ejection channel, a transmission mechanism for driving the booster is arranged on the inner side of the ejection channel, and a telescopic rod 306 for adjusting the inclination angle of the ejection channel is arranged between the ejection channel and the base.

When the snow removing device is used, the driving wheel rotates at a high speed to drive the follower to move at a high speed on the gear way, so that the booster pushes the snow removing device, then the buffer is pushed, the annular device obtains a large initial speed and moves to a designated working position to perform a first snow removing operation, then the whole annular device slides downwards along the stay cable under the action of gravity, thus the second snow removing operation is completed, and after the twice snow removing operation, the snow removing rate of snow on the stay cable reaches more than 96 percent.

Example 1

The snow removing device comprises an annular device and an ejection device matched with the annular device, wherein the annular device comprises an annular fixing frame sleeved on a stay cable and a plurality of threaded sleeves arranged along the annular fixing frame, and a snow removing component connected with the stay cable is driven through the threaded sleeves, so that the purpose of rapid and efficient snow removing is achieved. The ejector device comprises a base and an ejector channel which is rotatably connected with the base, the snow removing device can be suitable for different stay cables by adjusting an included angle between the ejector channel and the base, an booster matched with the annular device is arranged on the outer side of the ejector channel and used for pushing the annular device to move on the stay cable, a transmission mechanism used for driving the booster is arranged on the inner side of the ejector channel, and a telescopic rod used for adjusting the inclination angle of the ejector channel is arranged between the ejector channel and the base.

Specifically, 6-12 threaded sleeves are arranged along the circumference of the annular fixing frame, the threaded sleeves are connected with the annular fixing frame through threaded rods, one ends of the threaded rods are connected with travelling wheels or snow removing sheets through connecting rods, and the travelling wheels and the snow removing sheets are attached to the outer diameter of the stay cable. The travelling wheel or the snow removing sheet are arranged around the stay cable at intervals, namely, one ends of adjacent threaded rods are different through connectors of the connecting rods, so that the advancing speed can be guaranteed, the snow removing effect can be guaranteed, the adopted snow removing sheet is of a T shape, the arc-shaped surface of the stay cable can be attached to the greatest extent, the windward area is reduced, the influence of air resistance is reduced, and the snow removing effect is achieved optimally.

Further, 6-12 threaded sleeves are uniformly distributed or unevenly distributed along the circumference of the annular fixing frame, and when the annular fixing frame is unevenly distributed, the density of the threaded sleeves arranged on the upper half circumference of the annular fixing frame is greater than that of the threaded sleeves arranged on the lower half circumference. For example, the total number of the threaded sleeves is 8, the upper half circumference is uniformly distributed with 5, and the lower half circumference is uniformly distributed with 3.

The transmission mechanism comprises a motor, a driving wheel and a follower wheel, the motor is connected with the driving wheel through a fastening device, a tooth path is arranged on the inner side of the ejection path, and the driving wheel and the follower wheel which are matched with the tooth path are arranged on the tooth path. The booster is L-shaped, and can effectively push the annular fixing frame to move along the stay cable. One end of the telescopic rod is fixedly connected with the base, the other end of the telescopic rod is connected with the ejection channel through the hinged ball, and the included angle between the ejection channel and the base can be adjusted through the telescopic rod, so that the ejection channel can be suitable for stay cables with different structures and angles. The ejection channel is arranged in parallel with the stay cable, one end of the ejection channel is hinged with the base through a rotating shaft, and the other end of the ejection channel is provided with a buffer for blocking the booster. Two groups of movable wheels are arranged below the base, so that the ejection device can slide along the bridge deck to help the ejection device to reach a working position.

The device of the utility model has the following advantages when in use:

(1) The novel ejector is used for providing power, so that the snow removing device can quickly reach a designated working position.

(2) The novel snow removing device is composed of the spiral sleeve and the spiral rod, and can be suitable for stay cables with different thicknesses.

(3) The novel catapulting device is designed, the inclination degree of the catapulting channel can be adjusted through the telescopic rod and the hinged ball, and the novel catapulting device is suitable for stay cables with different inclination angles.

(4) The novel snow removing sheet with the T-shaped section can reduce the windward area to the greatest extent, thereby reducing the influence of air resistance.

Example 2

The snow removing device of the utility model only needs to adopt one-time boosting, which not only can effectively remove snow, but also can realize rolling friction between the snow removing device and the stay cable, and can be neglected, and meanwhile, the influence of air resistance is not considered temporarily (the calculation diagram is shown in figure 3). The mass of the snow removing device is marked as m, the initial speed is marked as v, the tower height is marked as H, and the inclined angle of the stay cable is marked as theta.

According to the law of conservation of mechanical energy:

E _{initially, the method comprises} ＝E _{Powder (D)} (1)

The bridge deck is selected as a zero potential energy surface, and the initial state is that the device is positioned at the bridge deck. The last state is considered to be the critical state, i.e. the velocity is exactly 0 when the device reaches the top of the column. At this time (2)

Simplifying and obtaining

Further consider the influence of friction loss and air resistance, initial velocity

Specifically, the snow removing device of the present utility model comprises an annular device and an ejector device matched with the annular device, referring to fig. 2, the annular device comprises an annular fixing frame 21, and a plurality of steel threaded sleeves 23 fixed on the annular fixing frame, the steel threaded sleeves are connected with an internal threaded rod 22, and the other ends of the threaded sleeves 23 are connected with a travelling wheel 24 or a snow removing sheet 25 through connecting rods 26.

Referring to fig. 1, the ejection device includes a booster 301, a buffer 303, an ejection path 302, a hinge ball 305, a telescopic rod 306, a base 307, a moving wheel 308, a motor 309, a gear path 304, a follower wheel 312, a driving wheel 311, a fastening device 310, and a rotation shaft 313. The booster 301 is installed on the stay cable 1, the ejector channel 302 is installed below the booster 301, and the buffer 303 is installed at the tail end of the ejector channel 302. The inner side of the bottom of the ejection channel 302 is provided with a tooth channel 304. A follower wheel 312 and a drive wheel 311 are mounted on the track 304. A motor 309 is mounted on the underside of the exterior of the track 304. A fastening device 310 is arranged between the motor 309 and the driving wheel 311. The device can be moved on the deck 4 at will by the moving wheel 308.

When the snow removing device is used for mounting snow, the annular fixing frame 21 is firstly dismounted left and right, and the snow removing device 2 is mounted on the stay cable 1. The travelling wheel 24 and the snow removing blade 25 are adjusted by rotating the threaded rod 22 to adapt to the size of the stay cable 1. The booster 301 is mounted on the stay cable 1 in close proximity to the snow removing device 2. The inclination angle of the ejection channel 302 is adjusted through the hinged ball 305 and the telescopic rod 306, so that the ejection channel 302 is tightly attached to the bottom of the booster 301 and is kept parallel to the stay cable 1. The end of the ejection channel 302 is provided with a buffer 303 which plays a role in stopping the booster 301. The track 304 is parallel to the ejection track 302, and the follower wheel 312 and the drive wheel 311 are mounted on the track. The drive wheel 311 is kept connected to the motor 309 by means of the fastening means 310, and the drive wheel 311 and the motor 310 can be loosened or connected by means of the fastening means 310. The motor 310 and follower wheel 312 remain connected at all times. The movable wheels 308 at the lower part of the chassis 307 are placed on the bridge deck 4, so that the device is convenient to move, and the stability of the whole ejection device is ensured.

When the device starts to work, firstly, the motor 309 is started, when the specified output power is reached, the fastening device 310 is connected, the driving wheel 311 is driven to rotate at a high speed, the driving wheel 311 moves along the gear path 304, the follower wheel 312 is driven to move along the gear path 304, the follower wheel 312 drives the booster 301 to move at a high speed along the ejection path 302, and the snow removing device 2 is driven to move along the stay cable 1. When the device moves to the tail end of the ejection channel 302, the booster 301 collides with the buffer 303, the booster 301 is quickly stopped, the snow removing device 2 continues to rise to the working height along the stay cable 1, and the ejection device 3 completes the task.

The snow removing device 2 is moved forward by the turning of the travelling wheel 24, while the snow removing blade 25 removes snow against the stay cable 1. Then, under the action of self weight, the snow removing device 2 descends, secondary snow removing is performed when the snow removing device descends, and then the snow removing device returns to the ejection path 302, and the snow removing operation is completed.

The foregoing is a further detailed description of the utility model in connection with the preferred embodiments, and it is not intended that the utility model be limited to the specific embodiments described above. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the utility model, and these should be considered to be within the scope of the utility model.

Claims (8)

1. The utility model provides an ejection formula suspension cable snow removing device, snow removing device sets up on the bridge floor and cooperates its characterized in that with suspension cable on the bridge floor: the snow removing device comprises an annular device and an ejection device matched with the annular device, wherein the annular device comprises an annular fixing frame sleeved on the stay cable and a plurality of threaded sleeves arranged along the annular fixing frame; the ejection device comprises a base and an ejection channel rotatably connected with the base, a booster matched with the annular device is arranged on the outer side of the ejection channel, a transmission mechanism for driving the booster is arranged on the inner side of the ejection channel, and a telescopic rod for adjusting the inclination angle of the ejection channel is arranged between the ejection channel and the base.

2. An ejector type stay cable snow removing apparatus as claimed in claim 1, wherein: and 6-12 threaded sleeves are arranged along the circumference of the annular fixing frame, the threaded sleeves are connected with the annular fixing frame through threaded rods, one ends of the threaded rods are connected with travelling wheels or snow removing sheets through connecting rods, and the travelling wheels and the snow removing sheets are attached to the outer diameter of the stay cable.

3. An ejector type stay cable snow removing apparatus as claimed in claim 2, wherein: the snow removing sheet is T-shaped.

4. An ejector type stay cable snow removing apparatus as claimed in claim 1, wherein: the transmission mechanism comprises a motor, a driving wheel and a follower wheel, the motor is connected with the driving wheel through a fastening device, a tooth path is arranged on the inner side of the ejection path, and the driving wheel and the follower wheel which are matched with the tooth path are arranged on the tooth path.

5. An ejector type stay cable snow removing apparatus as claimed in claim 1, wherein: the booster is L-shaped.

6. An ejector type stay cable snow removing apparatus as claimed in claim 1, wherein: one end of the telescopic rod is fixedly connected with the base, and the other end of the telescopic rod is connected with the ejection channel through a hinged ball.

7. An ejector type stay cable snow removing apparatus as claimed in claim 1, wherein: the ejection channel is arranged in parallel with the stay cable, one end of the ejection channel is hinged with the base through a rotating shaft, and the other end of the ejection channel is provided with a buffer for blocking the booster.

8. An ejector type stay cable snow removing apparatus as claimed in claim 1, wherein: two groups of moving wheels are arranged below the base.