CN113611108B

CN113611108B - Traffic information acquisition system

Info

Publication number: CN113611108B
Application number: CN202110836572.3A
Authority: CN
Inventors: 周峰琦; 李俊炜; 朱汉兵
Original assignee: Shandong Luke Highway Information Consulting Co ltd
Current assignee: Shandong Luke Highway Information Consulting Co ltd
Priority date: 2021-07-23
Filing date: 2021-07-23
Publication date: 2022-10-25
Anticipated expiration: 2041-07-23
Also published as: CN113611108A

Abstract

The invention discloses a traffic information acquisition system, which structurally comprises a protection device, a protective cover, an installation frame, a connecting rod, an angle adjusting piece, a main body and a camera lens.

Description

Traffic information acquisition system

Technical Field

The invention relates to the technical field of information acquisition and processing, in particular to a traffic information acquisition system.

Background

Along with motor vehicles develops rapidly in recent years, bring huge collision gravity for urban traffic, for improving traffic order, alleviate traffic congestion, install traffic camera on the road, traffic camera can conveniently adjust each intersection vehicle flow, ensure that the traffic is unobstructed, can also carry out accurate reduction to vehicle driving and traffic accident scene, protect traffic camera through protection component, traffic camera is when gathering traffic information, needs the place of improvement:

when gathering traffic information, install the traffic camera on the road, survey the road surface condition through the traffic camera, the camera is when gathering information, the most direct mount of traffic camera is in open air, when hitting hail weather, the hail can directly pound on the camera guard shield, can lead to the guard shield of camera to appear damaging, and because the weight and the striking of hail, make the inside spare part of camera receive the dislocation damage that appears after the striking, direct influence the collection of traffic camera to traffic information.

Disclosure of Invention

Aiming at the defects in the prior art, the invention is realized by the following technical scheme: the utility model provides a traffic information acquisition system, its structure includes protection device, protection casing, mounting bracket, connecting rod, angle transfer piece, main part, camera lens, protection device installs on the protection casing, the protection casing is connected in the main part, the main part is even as an organic whole with camera lens, the main part bottom is equipped with the angle that meets with it and transfers the piece, the angle is transferred piece and connecting rod swing joint, connecting rod and mounting bracket fixed connection.

As a further optimization of the invention, the protection device comprises a connecting piece, a cushioning component, a bent arc elastic piece, a crushing component and a conducting plate, wherein the connecting piece is connected to the bottom of the cushioning component, one end of the cushioning component, which is far away from the connecting piece, is connected with the conducting plate, the conducting plate is provided with the bent arc elastic piece and the crushing component, the two sides of the bent arc elastic piece are respectively provided with the crushing component connected with the bent arc elastic piece, and the connecting piece is connected to the protective cover.

As a further optimization of the invention, the crushing assembly comprises a collision element, an auxiliary guide piece and a limiting buffer plate, wherein the limiting buffer plate is embedded and fixed in the collision element, the auxiliary guide piece is arranged on each of two sides of the top of the limiting buffer plate, the auxiliary guide piece is connected to the collision element in a penetrating mode, the bottom of the collision element is connected to the conducting plate, and the bent-arc elastic pieces connected with the collision element are arranged on each of two sides of the collision element.

The collision element comprises a shell, a connecting piece, a crushing tip and connecting holes, wherein the three connecting holes are formed in the two sides of the shell, the connecting piece sleeved with the shell is arranged on the shell, the crushing tip is installed on the connecting piece, a limiting buffer plate embedded and fixed with the shell is arranged in the shell, the connecting holes are connected with an auxiliary guide piece, the bottom of the shell is connected to a conducting plate, and bent elastic pieces connected with the shell are arranged on the two sides of the shell.

As the further optimization of the invention, the crushing tip comprises a convex block, blades and through holes, wherein the convex block is provided with three blades which are connected on the convex block in an annular manner at equal intervals, the blades are provided with a plurality of through holes, and the convex block is arranged on the connecting piece.

As the further optimization of the invention, the cushioning component comprises two buckling blocks, two cushioning pieces, guide plates, a limiting and cushioning piece, a movable seat, a buckling block and an elastic rod, wherein the two buckling blocks are arranged on two sides of the limiting and cushioning piece, the middle position of the limiting and cushioning piece is provided with the buckling block connected with the limiting and cushioning piece, the limiting and cushioning piece is provided with two guide plates connected with the limiting and cushioning piece, one end of the limiting and cushioning piece, which is far away from the guide plates, is connected with the movable seat, the middle position of the movable seat is provided with the elastic rod, the elastic rod is connected to the bottom of the buckling block, the cushioning piece is connected between the two guide plates, the movable seat is connected with a connecting piece, and the buckling block is connected with the conducting plate in a sliding manner.

The buffer piece comprises an elastic ball, a contact plate, an air bag and a cavity, wherein the elastic ball is arranged in the cavity, the cavity is provided with the contact plate connected with the cavity, the contact plate is contacted with the elastic ball through the cavity, the air bag is arranged in the contact plate, and the cavity is connected between the two guide plates.

The elastic ball comprises two traction parts, elastic parts, joints and a ball body, wherein the two traction parts form a cross and are connected among the four elastic parts, the four elastic parts are respectively inserted and embedded into the four joints, one ends of the four joints, far away from the joints, are tightly attached to the inner wall of the ball body, and the ball body is in contact with a contact plate through a cavity.

As a further optimization of the invention, three elastic balls are arranged and stacked in the cavity.

Advantageous effects

The traffic information acquisition system has the following beneficial effects:

1. according to the invention, through the combined arrangement of the curved arc elastic piece and the crushing assembly, the hail can be directly hit on the crushing assembly when falling downwards, the top of the crushing assembly is in a sharp-angled state, the hail can be vertically impacted on the crushing assembly to be crushed and split, part of the hail can fall on the curved arc elastic piece, the curved arc elastic piece has certain elasticity, and can generate resilience force to pop the hail outwards after receiving the impact force of the hail, so that the protective cover can be effectively protected, and the protective cover can stably protect a main body.

2. According to the invention, through the combined arrangement of the bump, the blades and the through hole, the hail falls to impact on the three blades, and is crushed and split by the three blades, so that the size of the hail is effectively reduced, the split hail falls downwards on the bump and the blades due to inertia, the bump is in a convex state, the hail slides out from the side wall of the bump, the hail falling on the blades can be melted, and the melted water flows out through the through hole, so that the hail cannot directly impact on the protective cover.

3. According to the invention, through the combined arrangement of the buckling block, the buffer part, the guide plate, the limiting buffer part, the movable seat, the buckling block and the elastic rod, the impact force applied to the crushing assembly can be downwards transmitted to the buffer part by the conducting plate, the guide plate can be inwards extruded by the stress of the buffer part, the force can be transmitted to the limiting buffer part by the extruding guide plate, the limiting buffer part can be outwards opened under the action of the buckling block, the force applied to the crushing assembly is relieved and absorbed by the buffer part matched with the elastic rod, so that the weight of falling hail cannot be directly transmitted to the main body, and the parts in the main body are effectively protected.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic diagram of a traffic information collection system according to the present invention;

fig. 2 is a schematic structural diagram of the interior of the protection device of the present invention.

Fig. 3 is an enlarged schematic view of a in fig. 2.

Fig. 4 is a schematic view of the internal structure of the impact element of the present invention.

Fig. 5 is a schematic top view of the inventive crushing tip.

FIG. 6 is a cross-sectional view of a shock absorption assembly of the present invention.

Fig. 7 is a schematic view of the internal structure of the buffer member of the present invention.

Fig. 8 is an enlarged structural diagram of B in fig. 7.

In the figure: the protection device comprises a protection device 1, a protective cover 2, a mounting frame 3, a connecting rod 4, an angle adjusting piece 5, a main body 6, a camera lens 7, a connecting piece 11, a shock absorption component 12, a bent arc elastic piece 13, a crushing component 14, a conduction plate 15, an impact element 141, an auxiliary guide piece 142, a limiting buffer plate 143, a shell 411, a connecting piece 412, a crushing tip 413, a connecting hole 414, a bump E1, a blade E2, a through hole E3, a buckling block 121, a buffer piece 122, a guide plate 123, a limiting buffer piece 124, a movable seat 125, a buckling block 126, an elastic rod 127, an elastic ball 221, a contact plate 222, an air bag 223, a cavity 224, a traction piece F1, an elastic piece F2, a joint F3 and a ball F4.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Example one

Referring to fig. 1, the present invention provides a technical solution: the utility model provides a traffic information acquisition system, its structure includes that protection device 1, protection casing 2, mounting bracket 3, connecting rod 4, angle transfer 5, main part 6, camera lens 7, protection device 1 installs on protection casing 2, protection casing 2 is connected in main part 6, main part 6 links as an organic wholely with camera lens 7, 6 bottoms of main part are equipped with the angle that meets with it and transfer 5, piece 5 and the 4 swing joint of connecting rod are transferred to the angle, connecting rod 4 and 3 fixed connection of mounting bracket.

Referring to fig. 2, the protection device 1 includes a connection piece 11, a damping component 12, a curved spring 13, a crushing component 14, and a conducting plate 15, the connection piece 11 is connected to the bottom of the damping component 12, one end of the damping component 12 away from the connection piece 11 is connected to the conducting plate 15, the conducting plate 15 is provided with the curved spring 13 and the crushing component 14, the two sides of the curved spring 13 are both provided with the crushing component 14 connected thereto, and the connection piece 11 is connected to the protection cover 2.

The cushioning component 12 is used for matching with the conducting plate 15, the plurality of cushioning components 12 are connected between the conducting plate 15 and the connecting piece 11 in an equidistant arc mode, the conducting plate 15 can be conveyed to the cushioning component 12 after the received downward collision gravity of the crushing component 14, and the plurality of cushioning components 12 can be matched with the conducting plate 15 to uniformly support and cushion.

Referring to fig. 3, the crushing assembly 14 includes a collision element 141, an auxiliary guide 142, and a limiting buffer plate 143, the limiting buffer plate 143 is embedded in the collision element 141, the auxiliary guide 142 is disposed on both sides of the top of the limiting buffer plate 143, the auxiliary guide 142 is connected to the collision element 141 in a penetrating manner, the bottom of the collision element 141 is connected to the conductive plate 15, and the curved spring 13 connected to the collision element 141 is disposed on both sides of the collision element 141.

The auxiliary guide piece 142 is used for matching with the collision element 141, hailstones collide with the collision element 141, crushing and splitting are caused by overlarge impact force, the split hailstones can become ice blocks with small volume, the ice blocks can fall down onto the auxiliary guide piece 142, and the three auxiliary guide pieces 142c are in a step state, so that the hailstones with small hailstones can slide down onto the bent arc elastic pieces 13 in a step shape after the auxiliary guide pieces 142.

Referring to fig. 4, the collision element 141 includes a housing 411, a connecting member 412, a breaking tip 413, and connecting holes 414, wherein three connecting holes 414 are formed on both sides of the housing 411, the housing 411 is provided with the connecting member 412 engaged therewith, the connecting member 412 is provided with the breaking tip 413, the housing 411 is provided with a limiting buffer plate 143 embedded therein, the connecting holes 414 are connected with the auxiliary guide member 142, the bottom of the housing 411 is connected to the conductive plate 15, and both sides of the housing 411 are provided with the bent arc resilient pieces 13 connected thereto.

Referring to fig. 5, the crushing tip 413 includes a protrusion E1, a blade E2, and a through hole E3, the protrusion E1 is provided with three blades E2, the three blades E2 are annularly connected to the protrusion E1 at equal intervals, the blade E2 is provided with a plurality of through holes E3, and the protrusion E1 is mounted on the connecting member 412.

Foretell through-hole E3 is used for cooperating blade E2, and the hail drops and can become the hail because the too big crushing of atress becomes on the closed angle of blade E2, and the hail can be through blade E2 landing to lug E1 downwards on, and the hail can produce at the landing in-process and melt, outwards derives the water after melting the hail through-hole E3.

Example two

Referring to fig. 1, the present invention provides a technical solution: the utility model provides a traffic information collection system, its structure includes that protection device 1, protection casing 2, mounting bracket 3, connecting rod 4, angle transfer 5, main part 6, camera lens 7, protection device 1 installs on protection casing 2, protection casing 2 is connected in main part 6, main part 6 links as an organic wholely with camera lens 7, 6 bottoms of main part are equipped with the angle that meets with it and transfer 5, 5 and 4 swing joint of connecting rod are transferred to the angle, connecting rod 4 and 3 fixed connection of mounting bracket.

The shock absorption components 12 are used for being matched with the conduction plate 15, the shock absorption components 12 are connected between the conduction plate 15 and the connecting pieces 11 in an arc shape with equal intervals, the conduction plate 15 can be transmitted to the shock absorption components 12 after the received downward collision gravity of the crushing components 14, and the shock absorption components 12 can be matched with the conduction plate 15 to uniformly support and buffer.

Referring to fig. 6, the shock absorbing assembly 12 includes two buckling blocks 121, two buffering members 122, two guiding plates 123, two limiting and buffering members 124, a movable seat 125, a buckling block 126, and an elastic rod 127, where the two buckling blocks 121 are installed at two sides of the limiting and buffering member 124, the buckling block 126 connected to the limiting and buffering member 124 is installed in the middle of the limiting and buffering member 124, the two guiding plates 123 connected to the limiting and buffering member are installed on the limiting and buffering member 124, one end of the limiting and buffering member 124, which is far away from the guiding plates 123, is connected to the movable seat 125, the elastic rod 127 is installed in the middle of the movable seat 125, the elastic rod 127 is connected to the bottom of the buckling block 126, the buffering member 122 is connected between the two guiding plates 123, the movable seat 125 is connected to the connecting plate 11, and the buckling block 121 is connected to the conductive plate 15 in a sliding manner.

The elastic rod 127 is used for being matched with the buffer piece 122, the limiting buffer piece 124 is guided to the movable seat 125 and the elastic rod 127 after being downwards transmitted to collision force by the guide plate 123, and the elastic rod 127 has the buffering effect of a spring and can effectively match with the buffer piece 122 to play a buffering effect.

Referring to fig. 7, the buffer 122 includes a resilient ball 221, a contact plate 222, an air bag 223, and a cavity 224, the resilient ball 221 is installed inside the cavity 224, the contact plate 222 connected to the cavity 224 is disposed on the cavity 224, the contact plate 222 contacts with the resilient ball 221 through the cavity 224, the air bag 223 is disposed inside the contact plate 222, and the cavity 224 is connected between the two guide plates 123.

Referring to fig. 7, three elastic balls 221 are provided, and the three elastic balls 221 are stacked inside the cavity 224.

The air bag 223 is used for being matched with the contact plate 222, the contact plate 222 retracts inwards to extrude the air bag 223 after receiving the collision gravity transmitted downwards by the transmission plate 15, the interior of the air bag 223 is in a closed state, after the top of the air bag 223 is weighted, the air in the air bag 223 transmits downwards to extrude the elastic ball 221, and the collision gravity transmitted by the transmission plate 15 is absorbed and buffered through the elastic ball 221.

Referring to fig. 8, the elastic ball 221 includes two pulling members F1, two elastic members F2, two joints F3, and a ball F4, the two pulling members F1 form a cross and are connected between the four elastic members F2, the four elastic members F2 are respectively inserted and embedded in the four joints F3, one ends of the four joints F3 far away from the joints F3 are tightly attached to the inner wall of the ball F4, and the ball F4 is in contact with the contact plate 222 through the cavity 224.

Foretell tractive spare F1 is used for cooperating elastic component F2, and after spheroid F4 pressurized, joint F3 can extrude elastic component F2 downwards, and elastic component F2 has the cushioning effect of spring, can inwards retract after the pressurized and carry out the energy-absorbing, and reuse tractive spare F1 pins elastic component F2, prevents to appear deformation in the elastic component F2 pressurized.

The working principle of the above technical solution is explained as follows:

when the invention is used, the main body 6 is fixedly arranged on a used position through the mounting frame 3, the angle direction of the main body 6 is adjusted through the angle adjusting piece 5, so that the camera lens 7 can stably and accurately survey a road, the protection device 1 is fixedly arranged on the top of the protection cover 2 through the connecting piece 11, when the hail weather is met, the hail can fall downwards and impact on the tool tips of the three blades E2, due to the principle that the contact area is small and the pressure is large, the hail can be rapidly broken and split after contacting the tool tips of the blades E2 to become the hail, the hail can fall downwards onto the lug E1 through the blades E2 due to inertia, the hail can melt in the falling process of the blades E2, water after the hail melts can flow onto the through hole E3, and the water after the hail melts can be led out through the through hole E3, the hail after the complete melting can drop on lug E1, lug E1 is protruding state, make the hail drop can pass through the lateral wall landing owing to inertia behind lug E1, the hail of landing downwards can follow the hole landing between two blade E2 to connecting piece 412, the lateral wall of connecting piece 412 is smooth state, make the hail with the water after melting can pass through connecting piece 412 and landing downwards to auxiliary guide piece 142, auxiliary guide piece 142 is the ladder state, make the hail with the water after melting can be the stable downward flow of echelonment to camber shell fragment 13, camber shell fragment 13 is the camber form, make hail and water that the landing was to camber shell fragment 13 can be because inertia flows outwards, effectively handle the separation to the hail, prevent that the hail whereabouts from directly striking on protection casing 2, effectively protect protection casing 2.

The hailstones fall to impact on the collision element 141 and the arc-bending shrapnel 13, the collision gravity of the hailstones on the collision element 141 can retract inwards to extrude the limited buffer plate 143, the limited buffer plate 143 is in a solid state and is not easy to deform after being pressed, the collision element 141 can be effectively supported, the limited buffer plate 143 can transmit the collision gravity of the collision element 141 downwards to the conduction plate 15, the collision gravity of the hailstones on the arc-bending shrapnel 13 can be transmitted to the conduction plate 15, the transmission plate 15 can simultaneously receive the heavy collision gravity of the arc-bending shrapnel 13 and the limited buffer plate 143, the conduction plate 15 is directly contacted with the contact plate 222, the collision gravity can be transmitted to the contact plate 222 after the conduction plate 15 is stressed, the contact plate 222 and the air bag 223 can be simultaneously stressed, the air bag 223 is in a closed state, and the air in the air bag 223 can downwards movably extrude a sphere F4 under the stressed condition, three spheres F4 are stacked together to form a triangular structure, the air bag 223 can simultaneously extrude two spheres F4 at the top after being pressed, the pressed spheres F4 can downwards guide the collision gravity to the spheres F4 at the bottom, so that the three spheres F4 can be simultaneously stressed, the spheres F4 can deform to a certain degree after being pressed, the collision gravity borne by the spheres F4 is transmitted to the elastic part F2 through the joint F3, the elastic part F2 has the buffering function of a spring, the force borne by the elastic part F2 is dispersed by the pulling part F1, so that the four elastic parts F2 can be simultaneously stressed, the collision gravity borne by the spheres F4 can be effectively absorbed and relieved, after the spheres F4 are stressed, the pressure can be transmitted downwards to the limiting and buffering part 124 through the guide plate 123 through the cavity 224, the limiting and buffering part 124 can guide the pressure to the movable seat 125 and the elastic rod 127, the position of the limiting and buffering part 124 is positioned through the movable seat 125, prevent to appear shifting behind spacing buffer 124 atress, carry out the buffering through impact of bouncing rod 127 cooperation bouncing ball 221 to hail whereabouts production for on the impact of hail whereabouts can not the direct transfer main part 6, effectively protect the inside spare part of main part 6, make main part 6 and camera lens 7 can cooperate the collection of stability to traffic information to survey.

In summary, the invention adopts a protection device, a protection cover, a mounting rack, a connecting rod, an angle adjusting piece, a main body and a camera lens to form a new traffic information acquisition system, when traffic information is acquired, hail falls to directly impact on a bent arc elastic sheet and a crushing assembly, hail colliding on the crushing assembly can be instantly crushed and split, the hail is separated through the bent arc elastic sheet and the crushing assembly, the hail is prevented from being directly hit on the protection cover, the hail falls to generate pressure impact force on the bent arc elastic sheet and the crushing assembly, the impact force is transmitted to a plurality of cushioning assemblies through a conduction plate, the cushioning assemblies perform energy absorption and buffering treatment on the impact force, so that the impact force of the hail falling cannot be directly transmitted to the main body, and parts in the main body are effectively protected, and the camera lens can stably acquire the traffic information.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a traffic information collection system, its structure includes protection device (1), protection casing (2), mounting bracket (3), connecting rod (4), angle modulation piece (5), main part (6), camera lens (7), its characterized in that: the protection device (1) is installed on the protection cover (2), the protection cover (2) is connected to the main body (6), the main body (6) is connected with the camera lens (7) into a whole, the main body (6) is connected with the angle adjusting piece (5), the angle adjusting piece (5) is movably connected with the connecting rod (4), and the connecting rod (4) is fixedly connected with the installation frame (3);

the protection device (1) comprises a connection piece (11), a cushioning component (12), a bent arc elastic sheet (13), a crushing component (14) and a conduction plate (15), wherein the connection piece (11) is connected to the cushioning component (12), the cushioning component (12) is connected with the conduction plate (15), the conduction plate (15) is provided with the bent arc elastic sheet (13) and the crushing component (14), and the connection piece (11) is connected to the protection cover (2);

the crushing assembly (14) comprises a collision element (141), an auxiliary guide piece (142) and a limiting buffer plate (143), the collision element (141) and the limiting buffer plate (143) are embedded and fixed, the limiting buffer plate (143) is provided with the auxiliary guide piece (142), the auxiliary guide piece (142) is connected to the collision element (141) in a penetrating mode, the collision element (141) is connected to the conducting plate (15), and two sides of the collision element (141) are provided with bent-arc elastic pieces (13);

the collision element (141) comprises a shell (411), a connecting piece (412), a crushing tip (413) and connecting holes (414), the connecting holes (414) are formed in the two sides of the shell (411), the shell (411) is sleeved with the connecting piece (412), the crushing tip (413) is installed on the connecting piece (412), the shell (411) is fixedly embedded with a limiting buffer plate (143), the connecting holes (414) are connected with an auxiliary guide piece (142), the shell (411) is connected to a conducting plate (15), and arc-bending elastic pieces (13) are arranged on the two sides of the shell (411);

the crushing tip (413) comprises a convex block (E1), a blade (E2) and a through hole (E3), the blade (E2) is arranged on the convex block (E1), the through hole (E3) is arranged on the blade (E2), and the convex block (E1) is installed on the connecting piece (412);

the shock absorption assembly (12) comprises a buckling block (121), a buffer piece (122), a guide plate (123), a limiting buffering piece (124), a movable seat (125), a buckling block (126) and an elastic rod (127), wherein the buckling block (121) is installed on the limiting buffering piece (124), the limiting buffering piece (124) is connected with the buckling block (126), the guide plate (123) is arranged on the limiting buffering piece (124), the limiting buffering piece (124) is connected with the movable seat (125), the elastic rod (127) is arranged on the movable seat (125), the elastic rod (127) is connected to the buckling block (126), the buffer piece (122) is connected between the two guide plates (123), the movable seat (125) is connected to a connecting piece (11), and the buckling block (121) is in sliding connection with a conducting plate (15);

the buffer piece (122) comprises an elastic ball (221), a contact plate (222), an air bag (223) and a cavity (224), the elastic ball (221) is installed on the cavity (224), the contact plate (222) connected with the cavity (224) is arranged on the cavity (224), the air bag (223) is arranged on the contact plate (222), and the cavity (224) is connected to the guide plate (123);

the elastic balls (221) comprise a drawing part (F1), elastic parts (F2), joints (F3) and balls (F4), the drawing part (F1) is connected to the elastic parts (F2), the elastic parts (F2) are inserted and embedded in the joints (F3), the joints (F3) are tightly attached to the balls (F4), the balls (F4) are in contact with the contact plate (222) through cavities (224), the number of the elastic balls (221) is three, and the three elastic balls (221) are stacked inside the cavities (224);

the main body (6) is fixedly installed on a using position through the installation frame (3), the angle direction of the main body (6) is adjusted through the angle adjusting piece (5), the camera lens (7) can stably and accurately survey a road, the protection device (1) is fixedly installed at the top of the protection cover (2) through the connecting piece (11), when hail weather is met, hail can fall downwards and impact on the tool tips of three blades (E2), due to the principle that the contact area is small and the pressure is large, hail can be rapidly broken and split after contacting the tool tips of the blades (E2) and becomes small hail, the small hail can fall downwards onto the lug (E1) through the blade (E2) due to inertia, the small hail can melt in the sliding process of the blades (E2), water after hail melting can flow onto the through hole (E3), water after the hail is melted through the through hole (E3) is led out, water after the hail is not melted is not completely melted onto the lug (E1) and can fall into a small hail flow through the connecting piece (E3), the connecting piece can assist the hail to fall onto the side wall of the connecting piece (E2) in the state, the hail can fall through the connecting piece (142), the connecting piece (412), the connecting piece (142), the connecting piece (412) and the connecting piece can fall off the connecting piece (E) and can be in the state of the hail, the connecting piece (E) and can fall down, the hail can be in the hail can fall, the hail can be in the state, the hailstones and the melted water can stably flow downwards to the curved arc elastic pieces (13) in a step shape, the curved arc elastic pieces (13) are in a curved arc shape, so that the hailstones and the water sliding down to the curved arc elastic pieces (13) can outwards flow out due to inertia, the hailstones are effectively treated and blocked, the hailstones are prevented from directly impacting on the protective cover (2), and the protective cover (2) is effectively protected; the hailstones fall to impact on the collision element (141) and the curved-arc elastic sheet (13), the collision gravity of the collision element (141) subjected to hailstones can retract inwards to extrude the limited buffer plate (143), the limited buffer plate (143) is in a solid state, the deformation is not easy to occur after being pressed, the collision element (141) can be effectively supported, the limited buffer plate (143) can downwards transmit the collision gravity of the collision element (141) to the conduction plate (15), the curved-arc elastic sheet (13) can also transmit the collision gravity of the hailstones to the conduction plate (15), the transmission plate (15) can simultaneously receive the heavy collision gravity of the curved-arc elastic sheet (13) and the limited buffer plate (143), the conduction plate (15) is directly contacted with the contact plate (222), the collision gravity can be transmitted to the conduction plate (222) after the conduction plate (15) is stressed, the contact plate (222) and the air bag (223) can simultaneously receive the stress, the air bag (223) is in a closed state, the air bag can push the movable gas downwards to extrude the three spheres (4) to form a triangular sphere structure, the three spheres (4) which can be simultaneously when being pressed, the three spheres (4) are stacked together, the impact gravity that receives spheroid (F4) through joint (F3) conveys elastic component (F2) on, elastic component (F2) has the cushioning effect of spring, reuse tractive spare (F1) disperses the power that elastic component (F2) received, make four elastic component (F2) can atress simultaneously, can be effectively with carrying out the energy-absorbing of the impact gravity that spheroid (F4) received and alleviate the processing, spheroid (F4) atress back, can pass through cavity (224) with pressure through baffle (123) downwardly conveying spacing buffer (124), spacing buffer (124) can lead pressure to movable seat (125) and elastic rod (127), fix a position spacing buffer (124) position through movable seat (125), prevent displacement from appearing after spacing buffer (124) atress, through elastic rod (127) cooperation elastic ball (221) impact that hail whereabouts produced cushion, make the impact that hail whereabouts can not directly convey main part (6) on, effectively protect main part (6) inside and make the main part of making a video recording and survey the stable survey the traffic of camera lens (7) and can be gathered.