Vehicle protective cover for road roller
Technical Field
The invention belongs to the technical field of vehicle protection auxiliary tools, and particularly relates to a vehicle protection cover for a road roller, which protects a vehicle body shell.
Background
As is well known, when a vehicle is parked and parked in the parking lot, the temperature in the vehicle can rise rapidly due to the fact that the vehicle body is closed under the action of burning sun, on one hand, people feel difficult to endure and uncomfortable when sitting in the vehicle, and generally can reduce the temperature by turning on an air conditioner to the maximum extent for a long time, so that oil is wasted, and the environment is polluted; on the other hand, in such a severe case, parts in the automobile are more likely to be deteriorated, and thus the service life of the automobile is shortened. In addition, when the vehicle is parked outdoors, the vehicle is easy to scratch, and when the vehicle encounters hail, the vehicle can be injured by a crashing object, so that troubles are brought to the vehicle owner. In order to solve the problems, the car cover is produced by transportation, but the existing car cover has the defects of troublesome folding and unfolding, inconvenient use and the like.
Disclosure of Invention
The invention aims to provide a vehicle protection cover with a novel structure for a road roller, which can be automatically unfolded when needed and automatically retracted after being used and received, is convenient and quick and has strong practicability.
The purpose of the invention and the technical problem to be solved are realized by adopting the following technical scheme. The vehicle protection cover for the road roller comprises a shell, a first protection cover and a second protection cover, wherein the shell is internally provided with a rope winding mechanism, an inflation mechanism and cover cloth; the bottom of the shell base is provided with an adsorption device, the upper part of the shell base is provided with a lifting device, a support plate is fixed on the lifting device, and a top cover is arranged above the support plate; the support plate is fixed in the middle of the cover cloth, and the cover cloth is provided with a plurality of air pipes and pull ropes extending from the middle to the periphery, and the air pipes are connected with the inflating mechanism; the rope winding mechanism comprises a first motor, two bevel gear sets, a driving gear, two driven gears, four winding coils and four cam mechanisms; the rope winding mechanism comprises a first motor and at least 4 winding coils, an output shaft of the first motor is connected with a driving bevel gear, the driving bevel gear is meshed with two driven bevel gears, each driven bevel gear is fixedly connected with a rotating shaft, at least two winding coils penetrate through the rotating shaft, and the winding coils on the same rotating shaft are connected through a movable linkage device; the driving bevel gear is also connected with a cam through a connecting shaft, two opposite sides of the cam are respectively in direct contact with a top rod, and the other end of each top rod is connected with a baffle fixed on the winding coil; (ii) a One end of the pull rope is fixed on the edge of the cover cloth, and the other end of the pull rope penetrates through the fence around the support plate and is fixed on the winding ring.
The object of the present invention and the technical problems solved thereby can be further achieved by the following technical measures.
The vehicle protection cover for the road roller comprises a hollow shaft and 4 axial check rings, wherein the hollow shaft is sleeved with the rotating shaft, the hollow shaft is fastened on the hollow shaft, two adjacent winding coils are connected together by the hollow shaft, and every two axial check rings are in a pair and clamped on the inner side and the outer side of one winding coil check ring, so that the adjacent winding coils synchronously move.
The vehicle protection cover for the road roller is characterized in that the rotating shaft is made of a non-magnetic material, a plurality of round pin holes with chamfers are machined in the rotating shaft, round holes are machined in the winding ring, electromagnets are fixed to the bottoms of the round holes, compression springs are fixed to the electromagnets, iron blocks are fixedly connected to the tail ends of the compression springs, the bottoms of the iron blocks are fixedly connected with the non-magnetic cylindrical shaft pins, and the diameters of the cylindrical shaft pins are not larger than the diameters of the pin holes.
The vehicle protection cover for the road roller is characterized in that the bottom of the cylindrical shaft pin is provided with a chamfer.
In the vehicle protection cover for the road roller, the support plate is arranged above the base through at least two sets of lifting devices, and each lifting device comprises a second motor, a screw and a nut; the second motor is fixed on the base, the upper nut seat is fixed on the support plate, the lower nut seat is fixed on the support rod of the top cover, and the screw rod is meshed with the nut and driven by the second motor to perform transmission.
In the vehicle protection cover for the road roller, the base is further fixed with an anti-rotation rod, and the anti-rotation rod penetrates through the nut and provides support for the screw rod.
The vehicle protection cover for the road roller comprises an inner layer and an outer layer, wherein the inner layer forms a closed air chamber, a plurality of air bins communicated with an inflating mechanism are arranged in the air chamber along the circumferential direction of a support plate, and air nozzles are arranged on the air bins; the outer layer of the cover cloth is provided with a plurality of pull ropes extending outwards along the middle part.
The vehicle protection cover for the road roller is characterized in that the air chamber is provided with a plurality of air bleeding electromagnetic valves, the air bleeding electromagnetic valves penetrate through the outer side cover cloth, and the distribution lines of the electromagnetic valves are located between the inner layer cover cloth and the outer layer cover cloth.
The vehicle protection cover for the road roller is characterized in that each winding coil is further provided with a counter for recording the number of rotation turns of the winding coil.
According to the vehicle protection cover for the road roller, the tail end of the pull rope is further provided with the small ball, and the rope penetrating hole at the supporting plate fence is provided with the pressure sensor for detecting the pressure of the small ball.
Compared with the prior art, the invention has obvious advantages and beneficial effects. By means of the technical scheme, the invention can achieve considerable technical progress and practicability, has wide industrial utilization value and at least has the following advantages:
the vehicle protection cover for the road roller is provided with the movable and rotatable rope winding mechanism, the rope is uniformly wound, the rope can be accurately and stably wound and unwound, and the rope is not wound or knotted and can be smoothly wound and unwound; the lifting support plate is arranged, so that the extension and the contraction of the car cover are facilitated, the extension and the contraction of the car cover are finished when the car cover leaves the car roof, and the car cover is not influenced by the space of the car roof; when the car cover is folded, the inner surface and the outer surface cannot be contacted with each other, so that dust on the outer surface cannot be adhered to the inner surface, and the next use is not influenced; the car cover is inflated, so that the car body can be prevented from being broken by external force. Namely, the vehicle cover integrates convenience and practicability and has good market prospect.
Drawings
FIG. 1 is a schematic view of the overall construction of a vehicle protective cover for a road roller according to the invention;
FIG. 2 is a schematic structural view of a vehicle protective cover lifting device for a road roller according to the present invention;
FIG. 3 is a schematic view of a top gas path structure of a vehicle protective cover according to the present invention;
FIG. 4 is a schematic structural view of a vehicle protective cover rope winding mechanism for a road roller according to the present invention;
FIG. 5 is a schematic diagram of a moving linkage mechanism of a vehicle protective cover rope winding mechanism for a full-automatic road roller for engineering machinery according to the present invention;
FIG. 6 is a schematic view of the state of the combination of the winding coil and the rotating shaft of the vehicle protecting cover rope winding mechanism for the road roller of the present invention;
FIG. 7 is a schematic view of a state in which a wire winding coil of a vehicle protection cover wire winding mechanism for a road roller is separated from a rotating shaft according to the present invention;
FIG. 8 is a schematic view of a road roller vehicle with a vehicle cover in an expanded condition in accordance with the present invention;
FIG. 9 is a schematic view of a vehicle protective cover for a road roller according to the invention in an alternative, expanded condition.
[ description of main element symbols ]
1: supporting plate
2: cover cloth
3: trachea
31: gas cabin
32: air tap
33: air chamber
4: pull rope
5: lantern ring
6: air tap
7: electromagnetic valve
71: solenoid valve distribution line
8: air pump
81: gas circuit
9: first electric machine
10: winding coil
11: second electric machine
12: vacuum chuck
13: base seat
14: screw rod
15: nut
16: anti-rotation rod
17: top cover
18: counter with a memory
19: sensor with a sensor element
20: driving bevel gear
21: driven bevel gear
22: movable linkage device
23: hollow shaft
24: axial retainer ring
25: check ring
26: rotating shaft
27: cam wheel
28: clutch device
29: baffle plate
30: top rod
40: pin hole
41 electromagnet
42 compression spring
43 iron block
44: cylindrical axle pin
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the intended purpose, the following detailed description of the embodiments, steps, structures, features and effects of the vehicle protection cover for road roller according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
Please refer to fig. 1-9, which are schematic structural diagrams of various parts of the vehicle protection cover for a road roller according to the present invention, the vehicle protection cover for a road roller includes a casing capable of opening and closing up and down, the casing includes a base 13 having an adsorption device at the bottom, a liftable supporting plate 1 disposed above the base 13, and a top cover 17 supported above the supporting plate 1, and a plurality of rope winding mechanisms, a plurality of inflation mechanisms, and a cover cloth 2 are disposed in the casing.
The support plate 1 is arranged above the base 13 through at least two sets of lifting devices, each lifting device comprises a second motor 11, a screw 14 and a nut 15, the second motor 11 is fixed on the base 13, the nuts 15 are fixed on the support plate 1, and the screw 14 is meshed with the nuts 15 and driven by the second motor 11 to perform transmission. Preferably, an anti-rotation rod 16 is further fixed on the base 13, and the anti-rotation rod 16 passes through the nut 15 and provides support for the screw 14, but is not limited thereto.
The support plate 1 is fixed in the middle of the cover cloth 2, the cover cloth 2 is provided with a plurality of air pipes 3 and pull ropes 4 extending from the middle to the periphery, and the pull ropes 4 penetrate through a plurality of lantern rings 5 fixed on the cover cloth 2. One end of the pull rope 4 penetrates through the fence 101 around the support plate 1 and is fixed on the rope rolling mechanism, and the other end of the pull rope is fixed on the edge of the cover cloth 2.
The inflation mechanism comprises an air pump 8 fixed on the support plate 1 and an air nozzle 6 fixed on the peripheral surface of the support plate and corresponding to the air pipe 3, and an air path 81 is also arranged between the air pump 8 and the air nozzle 6.
The rope winding mechanism comprises a first motor 9, at least 4 winding coils 10, a bevel gear set and a cam mechanism, wherein the bevel gear set comprises a driving bevel gear 20 and two driven bevel gears 21. The output shaft of the first motor 9 is connected to the drive bevel gear 20, the drive bevel gear 20 is further connected to a cam 27 through a connecting shaft, two opposite sides of the cam 27 are respectively in direct contact with a top bar 30, and the other end of each top bar 30 is in direct contact with a baffle 29 fixed to the winding coil 10.
Each driven bevel gear 21 is fixedly connected with a rotating shaft 26, at least two winding coils 10 penetrate through the rotating shaft 26, and the winding coils on the same rotating shaft 26 are connected through a movable linkage 22.
The moving linkage 22 comprises a hollow shaft 23 and 4 axial check rings 24, wherein the hollow shaft 23 is sleeved on a rotating shaft 26 and connects two adjacent winding coils 10 together, the four axial check rings 24 are fastened on the hollow shaft 23, and every two axial check rings 24 are a pair and clamped on the inner side and the outer side of a check ring 25 of one winding coil 10, so that the adjacent winding coils synchronously move.
The rotating shaft 26 is made of a non-magnetic material, a plurality of round pin holes 40 with chamfers are machined in the rotating shaft, round holes are machined in the winding coil 10, an electromagnet 41 is fixed to the bottom of each round hole, a compression spring 42 is fixed to the electromagnet 41, an iron block 43 is fixedly connected to the tail end of the compression spring 42, the bottom of the iron block 43 is fixedly connected with a non-magnetic cylindrical shaft pin 44, and the diameter of the cylindrical shaft pin 44 is not larger than that of the pin holes 40. Preferably, the bottom of the cylinder pin 44 is chamfered, but not limited thereto. When the electromagnet 41 is de-energized, the cylindrical pin 44 is in circumferential contact with the rotating shaft 26 under the action of the compression spring 42, and when encountering the pin hole 40, enters the pin hole 40 under the action of the spring 42 to be engaged. When the electromagnet 41 is energized, the electromagnet 41 attracts the iron piece 43 so that the shaft pin 44 is separated from the pin hole away from the rotating shaft surface.
In the embodiment of the present invention, the winding coil 10 is further provided with a counter 18 for recording the number of turns of the winding coil, when the counter 18 detects that the winding coil 10 turns to a set number of turns, the electromagnet is electrified, so that the iron block drives the shaft pin to separate from the rotating shaft, and the winding coil stops rotating, so as to prevent the winding coil from continuing to rotate after the pull rope 4 is completely retracted.
In the embodiment of the invention, the tail end of the pull rope 4 is further provided with a small ball 191, a rope penetrating hole 192 on the support plate fence 101 is provided with a pressure sensor 19, when the pull rope is completely contracted, the small ball is clamped at the rope penetrating hole to press the pressure sensor at the rope penetrating hole of the pull rope, when the pressure sensor detects that the pressure reaches a set value, the electromagnet is electrified, so that the iron block drives the shaft pin to be separated from the rotating shaft, the winding coil stops rotating, and the winding coil is prevented from continuously rotating to contract the pull rope after the pull rope 4 is completely contracted.
In another embodiment of the invention, the cover cloth 2 comprises an inner layer and an outer layer, the inner layer forms a closed air chamber 2, the support plate 1 is provided with a plurality of air bins 31 positioned in the air chamber 2 in the circumferential direction, the side of the air bins 31 contacting with the outer circumferential surface of the support plate is provided with air nozzles 6, and the surface positioned in the air chamber 2 is provided with a plurality of air nozzles 32. The air pump 8 inflates the air chamber 31 through the air nozzle 6, and the air in the air chamber 31 flows to the air chamber 2 through the air nozzle 32. The outer layer of the cover cloth is provided with a plurality of pull ropes 4 extending outwards along the middle part, and the pull ropes 4 penetrate through a lantern ring 5 fixed on the cover cloth or a rope penetrating pipe arranged on the cover cloth.
Preferably, a plurality of air discharge electromagnetic valves 71 are arranged on the air chamber 2, the air discharge electromagnetic valves 7 penetrate through the outer cover cloth, and the electromagnetic valve distribution line 71 is located between the inner cover cloth and the outer cover cloth. When the vehicle cover is folded, the abandon electromagnetic valve is opened to quickly deflate.
When the automobile seat support is used, the base is adsorbed on the automobile roof by the adsorption device, the support plate is driven upwards by the screw rod driven by the forward rotation of the second motor, and the second motor stops acting after the support plate rises to a proper position. The first motor rotates reversely to drive the winding coil to release the pull rope, and meanwhile, the air pump acts to inflate the air nozzle. When the cover cloth is completely unfolded, the first motor and the air pump stop acting, the second motor rotates reversely, the screw rod drives the support plate to descend, and the vehicle cover covers the vehicle.
When the car cover needs to be retracted, the second motor rotates positively to drive the screw rod to drive the support plate upwards, and the second motor stops acting after the support plate rises to a proper position. The first motor rotates positively to drive the winding coil to withdraw the pull rope, and the air pump acts to pump air from the air nozzle. When the cover cloth is completely contracted, the first motor and the air pump stop acting, the second motor rotates reversely, the screw rod drives the support plate to descend, and the vehicle cover is retracted on the vehicle.
When the rope winding mechanism is used for winding or unwinding, after one winding coil finishes working, the pin in the winding coil is separated from the pin hole in the rotating shaft, so that the winding coil stops rotating.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.