CN109113395B

CN109113395B - Vehicle cover for engineering machinery

Info

Publication number: CN109113395B
Application number: CN201810974729.7A
Authority: CN
Inventors: 陆志伟; 邹武; 孙娟; 王俊峰; 宋晓玲; 田丽萍; 王长昕
Original assignee: Luoyang Institute of Science and Technology
Current assignee: Luoyang Institute of Science and Technology
Priority date: 2018-08-24
Filing date: 2018-08-24
Publication date: 2020-04-07
Anticipated expiration: 2038-08-24
Also published as: CN109113395A

Abstract

The invention relates to a vehicle cover for engineering machinery, wherein a support plate is fixed in the middle of cover cloth, the cover cloth is provided with a plurality of air pipes and pull ropes, the air pipes extend from the middle to the periphery, and the air pipes are connected with an inflation mechanism; the rope winding mechanism comprises a first motor, a winding coil and a transmission device, the first motor drives a driving gear, the driving gear is meshed with a first driven gear, and the first driven gear is also meshed with one or two second driven gears; the first driven gear is connected with one or two rotating shafts, each rotating shaft is provided with at least one winding coil, the baffle plates at two ends of each winding coil are provided with annular grooves, and each winding coil corresponds to one transmission device; the transmission device comprises a lead screw and a support rod which are connected to the second driven gear; a nut is meshed on the screw rod, the upper part of the nut penetrates through the supporting rod, and the bottom of the nut is fixedly connected with the sliding block; the sliding block is arranged on the sliding shaft, connecting rods are arranged at two ends of the sliding shaft, and the connecting rods are inserted into the annular grooves at two ends of the winding coil; one end of the pull rope is fixed on the winding ring, and the other end is fixed on the edge of the cover cloth.

Description

Vehicle cover for engineering machinery

Technical Field

The invention belongs to the technical field of auxiliary tools for vehicle protection, and particularly relates to a vehicle cover for engineering machinery, 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 cover with a novel structure for engineering machinery, which can be automatically unfolded when needed and automatically retracted after being used and received, and is convenient and quick and high in practicability.

The purpose of the invention and the technical problem to be solved are realized by adopting the following technical scheme. The vehicle cover for the engineering machinery comprises a shell, a first fixing device and a second fixing device, wherein the shell is internally provided with a rope winding mechanism, an inflating 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 mechanism, the lifting mechanism is connected with a support plate, 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, a winding coil and a transmission device, wherein the first motor drives a driving gear, the driving gear is meshed with a first driven gear, and the first driven gear is also meshed with one or two second driven gears; the first driven gear is connected with one or two rotating shafts, each rotating shaft is provided with at least one winding coil, the baffle plates at two ends of each winding coil are provided with annular grooves, and each winding coil corresponds to one transmission device; the transmission device comprises a lead screw connected to the second driven gear and a support rod fixed on the support plate; the screw rod is engaged with a nut, the upper part of the nut also penetrates through the support rod in a sliding manner, and the bottom of the nut is fixedly connected with the sliding block through a connecting rod; the sliding block is slidably arranged on the sliding shaft in a penetrating manner, connecting rods are arranged at two ends of the sliding shaft, and the connecting rods are inserted into annular grooves at two ends of the winding coil; one end of the pull rope penetrates through the fence around the support plate and is fixed on the winding ring, and the other end of the pull rope is fixed on the edge of the cover cloth.

The object of the present invention and the technical problems solved thereby can be further achieved by the following technical measures.

In the vehicle cover for engineering machinery, the sliding shaft is further provided with a groove, a magnetic block is placed in the groove, and the distance between the sliding block and the sliding shaft is smaller than the thickness of the magnetic block; and a second electromagnet is arranged in the sliding block and at a position corresponding to the groove on the sliding shaft.

The car cover for the engineering machinery 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, a first electromagnet is fixed to the bottom of each round hole, a compression spring is fixed to each first electromagnet, an iron block is fixedly connected to the tail end of each compression spring, the bottom of each iron block is fixedly connected with a non-magnetic cylindrical shaft pin, and the diameter of each cylindrical shaft pin is not larger than that of each pin hole.

The vehicle cover for the engineering machinery is provided with a chamfer at the bottom of the cylindrical shaft pin.

In the vehicle cover for engineering machinery, 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 nut is fixed on the support plate, and the screw rod is meshed with the nut and is driven by the second motor to transmit.

In the cover for a vehicle for an engineering machine, 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.

The vehicle cover for the engineering machinery 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 valves 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.

In the vehicle cover for engineering machinery, the air chamber is provided with the plurality of exhaust electromagnetic valves, the exhaust electromagnetic valves penetrate through the outer side cover cloth, and the electromagnetic valve control line is positioned between the inner layer cover cloth and the outer layer cover cloth.

In the above vehicle cover for construction machinery, each winding coil is further provided with a counter for recording the number of turns of the winding coil.

In the vehicle cover for engineering machinery, the tail end of the pull rope is further provided with the small ball, and the pull rope through hole on the support plate fence is provided with the pressure sensor.

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 movable and rotatable rope winding mechanism is arranged on the vehicle cover for the engineering machinery, the rope is wound uniformly, the rope can be wound and unwound accurately and stably, and is not wound or knotted and can be wound smoothly; 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 structure of a vehicle hood for an engineering machine according to the present invention;

FIG. 2 is a schematic structural diagram of a hood lifting device for an engineering machine according to the present invention;

FIG. 3 is a schematic view of the top gas path structure of the vehicle cover of the present invention;

FIG. 4 is a schematic structural view of a cover rope winding mechanism for an engineering machine according to the present invention;

FIG. 5 is a cross-sectional view A-A of FIG. 4;

FIG. 6 is an enlarged view of a portion of FIG. 4;

FIG. 7 is a schematic view showing a state in which a winding coil of a cover cord-winding mechanism for an engineering machine is coupled to a rotating shaft;

FIG. 8 is a schematic diagram illustrating a state where a winding coil of a cover cord winding mechanism for an engineering machine is separated from a rotating shaft;

FIG. 9 is a schematic view showing a state where the cover for construction machine of the present invention is unfolded;

fig. 10 is a schematic view showing another developed state of the cover for construction machine according to the present invention.

[ description of main element symbols ]

1: supporting plate

101: fence

2: cover cloth

3: trachea

31: gas cabin

32: air valve

33: air chamber

4: pull rope

5: lantern ring

6: air tap

7: electromagnetic valve

71: solenoid valve control 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

191: small ball

192: rope piercing

20: driving gear

21: first driven gear

22: second driven gear

23: screw rod

24: support rod

25: nut

26: sliding block

27: sliding shaft

28: second electromagnet

29: magnetic block

30: rotating shaft

40: pin hole

41 first electromagnet

42 compression spring

43 iron block

44: cylindrical axle pin

45: annular groove

46: connecting rod

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, steps, structures, features and effects of the cover for engineering machinery according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.

Please refer to fig. 1-10, which are schematic structural diagrams of various parts of the vehicle cover for engineering machinery of the present invention, the vehicle cover for engineering machinery includes a housing that can be opened and closed up and down, the housing includes a base 13 with an adsorption device at the bottom, a liftable supporting plate 1 disposed above the base 13, and a top cover 17 covering 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 housing.

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 tap 6 fixed on the outer peripheral surface of the support plate and corresponding to the air pipe 3, an air path 81 is further arranged between the air pump 8 and the air tap 6, and the air path 81 penetrates through a fence 101 around the support plate 1 and is connected with the air tap 6.

The rope winding mechanism is fixed on the support plate and comprises a first motor 9, a winding coil 10 and a transmission device. Wherein the first motor 9 drives a driving gear 20, the driving gear 20 is engaged with a first driven gear 21, and the first driven gear 21 is also engaged with one or two second driven gears 22. The first driven gear 21 is connected with one or two rotating shafts 30, each rotating shaft 30 is provided with at least one winding coil 10, the baffle plates at two ends of each winding coil 10 are provided with annular grooves 45, and each winding coil corresponds to one transmission device.

The transmission device comprises a lead screw 23 connected to the second driven gear 22 and a support rod 24 fixed on the support plate 1, wherein a nut 25 is engaged on the lead screw 23, and the upper part of the nut 25 also slides through the support rod 24. The bottom of the nut 25 is fixedly connected with the sliding block 26 through a connecting rod. The sliding block 26 is slidably arranged on the sliding shaft 27 in a penetrating way, connecting rods 46 are arranged at two ends of the sliding shaft 27, and the connecting rods 46 are inserted into annular grooves 45 at two ends of the winding coil. Preferably, a groove is further formed in the sliding shaft 27, a magnetic block 29 is placed in the groove, and the distance between the sliding block 26 and the sliding shaft 27 is smaller than the thickness of the magnetic block 29. A second electromagnet 28 is arranged in the slide block 26 at a position corresponding to the groove on the slide shaft 27, when the second electromagnet 28 is powered and the slide block 26 slides to the groove on the slide shaft, the magnetic block 29 is attracted by the second electromagnet 28, and when the slide block drives the second electromagnet to move continuously, the magnetic block 29 pushes the slide shaft 27 to move together, and the slide shaft 27 pushes the coil to move. When the second electromagnet 28 is de-energized, the magnetic block 29 is separated from the second electromagnet 28, and the slide block moves freely on the slide shaft.

The rotating shaft 30 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, a first electromagnet 41 is fixed to the bottom of each round hole, a compression spring 42 is fixed to the first 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 first 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 first electromagnet 41 is energized, the first 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, a counter for recording the number of turns of the winding coil is further disposed on the winding coil 10, when the counter detects that the winding coil turns to a set number of turns, the first electromagnet attracts an iron block with electricity, and the winding coil stops combining with the rotating shaft; meanwhile, the second electromagnet is powered off, the magnetic block is separated from the second electromagnet, and the sliding block freely moves, so that the winding coil stops rotating and moves, and the winding coil is prevented from continuously rotating and moving after the pull rope 4 is completely withdrawn.

In the embodiment of the invention, the tail end of the pull rope 4 is also provided with a small ball 191, a pull rope through 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 pull rope through hole to press the pressure sensor at the pull rope through hole, when the pressure sensor detects that the pressure reaches a set value, the first electromagnet is electrified to adsorb an iron block, and the winding coil is combined with the rotating shaft; meanwhile, the second electromagnet is powered off, the magnetic block is separated from the second electromagnet, and the sliding block freely moves, so that the winding coil stops rotating and moves, and the winding coil is prevented from continuously rotating and moving after the pull rope 4 is completely withdrawn. So that the rotation and movement of the coil are stopped to prevent the coil from continuing to rotate and move after the withdrawal of the withdrawal string 4 is completed.

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 chambers 31 positioned in the air chamber 2 in the circumferential direction, the air chambers 31 are provided with air nozzles 6 on the side contacting with the outer peripheral surface of the support plate, and a plurality of air valves 32 are arranged on the surface positioned in the air chamber 2. 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 valve 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 exhaust solenoid valves 71 are arranged on the air chamber 2, the exhaust solenoid valves 7 penetrate through the outer cover cloth, and the solenoid valve control line 71 is positioned between the inner cover cloth and the outer cover cloth. When the vehicle cover is folded, the exhaust 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.

Claims

1. A car cover for engineering machinery is characterized in that: comprises a shell, the interior of which is provided with a rope winding mechanism, an inflating 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 mechanism, the lifting mechanism is connected with a support plate, 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 is fixed on the support plate and comprises a first motor, a winding coil and a transmission device, wherein the first motor drives a driving gear which is meshed with a first driven gear, and the first driven gear is also meshed with one or two second driven gears;

the first driven gear is connected with one or two rotating shafts, each rotating shaft is provided with at least one winding coil, the baffle plates at two ends of each winding coil are provided with annular grooves, and each winding coil corresponds to one transmission device;

the transmission device comprises a lead screw connected to the second driven gear and a support rod fixed on the support plate;

the screw rod is engaged with a nut, the upper part of the nut also penetrates through the support rod in a sliding manner, and the bottom of the nut is fixedly connected with the sliding block through a connecting rod;

the sliding block is slidably arranged on the sliding shaft in a penetrating manner, connecting rods are arranged at two ends of the sliding shaft, and the connecting rods are inserted into annular grooves at two ends of the winding coil;

the sliding shaft is also provided with a groove, a magnetic block is placed in the groove, and the distance between the sliding block and the sliding shaft is smaller than the thickness of the magnetic block;

a second electromagnet is arranged in the sliding block and at a position corresponding to the groove on the sliding shaft;

one end of the pull rope penetrates through the fence around the support plate and is fixed on the winding ring, and the other end of the pull rope is fixed on the edge of the cover cloth.

2. The cover according to claim 1, 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, a first electromagnet is fixed to the bottom of each round hole, a compression spring is fixed to the first electromagnet, an iron block is fixedly connected to the tail end of the compression spring, the bottom of the iron block is fixedly connected with the non-magnetic cylindrical shaft pin, and the diameter of the cylindrical shaft pin is not larger than that of the pin holes.

3. The cover according to claim 2, characterized in that: wherein the bottom of the cylindrical pin is chamfered.

4. The cover according to claim 1, characterized in that: the supporting 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 nut is fixed on the support plate, and the screw rod is meshed with the nut and is driven by the second motor to transmit.

5. The cover according to claim 4, wherein: wherein, the base is also fixed with an anti-rotation rod which passes through the nut and provides support for the screw rod.

6. The cover according to claim 1, characterized in that: the cover cloth comprises an inner layer and an outer layer, the inner layer forms a closed air chamber, a plurality of air bins communicated with the inflating mechanism are arranged in the air chamber along the circumferential direction of the support plate, and air valves 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.

7. The cover according to claim 6, wherein: the air chamber is provided with a plurality of exhaust electromagnetic valves which penetrate through the outer side cover cloth, and an electromagnetic valve control line is positioned between the inner layer cover cloth and the outer layer cover cloth.

8. The cover according to claim 1, characterized in that: and each winding coil is also provided with a counter for recording the number of turns of the winding coil.

9. The cover according to claim 1, characterized in that: the tail end of the pull rope is also provided with a small ball, and a pressure sensor is arranged at the through hole of the pull rope on the support plate fence.