Disclosure of Invention
The invention aims to provide a speed bump device with a gradient degree changing according to speed change, which is used for overcoming the defects in the prior art.
The speed reducer device capable of changing the gradient degree according to the speed change comprises a speed reducer body, wherein a communicating groove with an upward opening is formed in the speed reducer body, a speed reducer is arranged in the communicating groove, the speed reducer comprises sliding blocks which are bilaterally symmetrical and slidably connected in the communicating groove, a sliding groove is formed in each sliding block, a transmission shaft is rotatably connected to the rear wall of each sliding groove, the speed reducer is fixedly connected to the outside of the sliding groove after the transmission shaft axially extends backwards, a butting spring is connected between each sliding block and the wall body of the communicating groove, a sliding groove is formed in the lower side of the communicating groove, a thread block is slidably connected in each sliding groove, a connecting rod is connected between each thread block and the speed reducer, a sliding groove is formed in the right side of the communicating groove, an extrusion rack is slidably connected in each sliding groove, and a pressing spring is connected between each extrusion rack and the bottom wall of each sliding groove, the front and rear wheels of the automobile pass through the extrusion racks as a judgment standard, if the time interval between the extrusion racks is longer when the front and rear wheels press down the extrusion racks, the deceleration strip on the left and right sides becomes gentler, if the time interval is shorter, the deceleration strip changes little, the deceleration strip on the left and right sides becomes steeper, the lower end on the left side of the communication groove is communicated with the connection groove, a duty setting device is arranged in the connection groove, the duty setting device comprises a translation block in sliding connection with the connection groove on the bottom wall, a connection block is fixedly connected between the translation block and the sliding block, an extension shaft is rotatably matched with the rear wall of the connection groove, the extension shaft is fixedly connected in the connection groove, a translation rack meshed with the transmission gear is arranged in the translation block, and the extension shaft is fixedly connected with a cam positioned on the rear side of the transmission gear, the fixed rod is fixedly connected to the side wall body on the connecting groove, the fixed rod upwards extends to the shooting device fixedly connected to the outside of the speed reducer body, a sliding groove is formed in the fixed rod, the sliding groove is connected with a cam abutting rod abutted to the cam in a sliding mode, a moving block is connected to the moving groove in a sliding mode, a conducting block is fixedly connected to the lower side of the moving block, if the speed of an automobile is too high, the cam abutting rod is abutted to the conducting block for a long time, the shooting device can start to record videos, and if accidents happen, responsivity is determined through the videos.
On the basis of the technical scheme, the speed reducer further comprises a sliding connection groove arranged on the left side, a rotating shaft is arranged on the left wall of the sliding connection groove in a rotating fit mode, a one-way shaft is arranged on the right wall of the sliding connection groove in a rotating fit mode, the rotating shaft and the one-way shaft are connected through a one-way coupling, a matching shaft is mainly arranged on the rear wall of the sliding connection groove in a rotating fit mode, the matching shaft is located on the inner fixedly connected sliding connection block, the one-way shaft is located on a transmission bevel gear which is fixedly connected with the inner fixedly connected with the sliding connection block and is meshed with the sliding connection block, the matching shaft is located on a rotating wheel which is fixedly connected with the inner fixedly connected with the front side of the sliding connection block, a limiting groove is arranged in the inner fixedly connected with the limiting groove, a sliding pin which is fixedly connected with the rotating wheel is connected with the limiting groove in a, a bevel gear transmission groove is formed in the lower side of the sliding groove, a spline shaft is rotatably matched with a wall body between the bevel gear transmission groove and the sliding groove, the spline shaft is positioned in the sliding groove and is in threaded connection with the thread block, the spline shaft is positioned in the bevel gear transmission groove, a spline bevel gear is connected in a spline mode, the spline bevel gear is provided with a ring groove, the top wall of the bevel gear transmission groove is fixedly provided with the vertical side of the oil pipe, a piston push rod which is in driving connection with the ring groove is connected in the oil pipe in a sliding mode, a motor shaft is rotatably matched with the right wall of the bevel gear transmission groove, the motor shaft is positioned in the bevel gear transmission groove and is fixedly connected with a connecting bevel gear which can be meshed with the spline bevel gear, the motor shaft extends right, the connecting spring is connected between the spline shaft and the spline bevel gear, the rotating shaft is positioned in the sliding groove and fixedly connected with a rotating gear meshed with the extruding rack, the transmission shaft is positioned in the sliding groove and fixedly connected with a ratchet wheel, the rear wall of the sliding groove and the transmission shaft are connected with a butt torsion spring, the bottom wall of the sliding block is provided with a horizontal part on the other side of the oil pipe, the oil pipe is internally and slidably connected with a pawl matched with the ratchet wheel and the ratchet wheel, and the pawl and the wall body of the sliding groove are connected with a fixing spring.
On the basis of the technical scheme, the responsibility determination device further comprises a connecting torsion spring connected between the extension shaft and the rear wall of the connecting groove, and a butting groove is connected between the moving block and the top wall of the moving groove.
The invention has the beneficial effects that: the time of rack is successively extruded through the front and back wheel to judge the speed that the car went, the speed that the car went is fast more, and the deceleration strip will be precipitous more, and the car slows down more, and the deceleration strip can be gentle, thereby the car can reach the effect of slowing down, can reach the effect of bradyseism again, if the speed of going of car is too fast, the car video recording that the shooting device can go overspeed, if the accident takes place, can take out this video recording and decide the liabilities of evidence.
Detailed Description
The invention will now be described in detail with reference to fig. 1-4, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
Referring to fig. 1-4, a speed reducer device for changing the steepness according to the speed change according to the embodiment of the invention includes a speed reducer body 53, a communication groove 14 with an upward opening is provided in the speed reducer body 53, a speed reducer is provided in the communication groove 14, the speed reducer includes sliding blocks 15 which are located in the communication groove 14 and are bilaterally symmetrical and slidably connected, a sliding groove 16 is provided in the sliding block 15, a transmission shaft 21 is rotatably connected to a rear wall of the sliding groove 16, a speed reducer 18 is fixedly connected to the outside of the sliding groove 16 after the transmission shaft 21 extends backwards, an abutting spring 13 is connected between the sliding block 15 and a wall body of the communication groove 14, a sliding groove 39 is provided at the lower side of the communication groove 14, a threaded block 38 is slidably connected in the sliding groove 39, and a connecting rod 17 is connected between the threaded block 38 and the speed reducer 18, a sliding connection groove 51 is formed on the right side of the communication groove 14, the extrusion rack 10 is slidably connected in the sliding connection groove 51, a pressing spring 52 is connected between the extrusion rack 10 and the bottom wall of the sliding connection groove 51, a front wheel and a rear wheel of an automobile pass through the extrusion rack 10 as a judgment standard, if the interval between the front wheel and the rear wheel and the extrusion rack 10 is longer, the speed is lower, the deceleration strips 18 on the left and the right become gentler, if the interval is shorter, the automobile speed is too fast, the amount of change deformation of the deceleration strips 18 is small, the deceleration strips 18 on the left and the right become steeper, the lower end of the left side of the communication groove 14 is communicated with a connection groove 24, a duty determination device is arranged in the connection groove 24, the duty device comprises a translation block 36 slidably connected with the bottom wall of the connection groove 24, and a connecting block 23 is fixedly connected between the translation block 36 and the sliding block 15, an extension shaft 35 is rotatably matched on the rear wall of the connecting groove 24, the extension shaft 35 is positioned in the connecting groove 24 and fixedly connected with an extension shaft 35, a translation rack 37 meshed with the transmission gear 33 is arranged in the translation block 36, the extension shaft 35 is positioned in the connecting groove 24 and fixedly connected with a cam 34 positioned at the rear side of the transmission gear 33, a fixed rod 27 is fixedly connected on the upper side wall body of the connecting groove 24, the fixed rod 27 extends upwards to the outside of the speed reducer body 53 and is fixedly connected with a shooting device 26, a sliding groove 31 is arranged in the fixed rod 27, a cam abutting rod 32 abutted against the cam 34 is slidably connected in the sliding groove 31, a moving block 29 is slidably connected in the moving groove 28, a conductive block 30 is fixedly connected on the lower side of the moving block 29, and if the speed of the automobile is too fast, the cam abutting rod 32, the camera 26 will start recording and, if an accident occurs, take a video to determine responsibility.
In addition, in one embodiment, the reduction gear further comprises a 67 arranged on the left side of the sliding connection groove 51, the left wall of the sliding connection groove 51 is rotatably matched with a rotating shaft 11, the right wall of the 67 is rotatably matched with a one-way shaft 12, the rotating shaft 11 is connected with the one-way shaft 12 by a one-way coupling, the rear wall of the 67 is mainly rotatably matched with a matching shaft 64, the matching shaft 64 is positioned in the 67 and fixedly connected with a sliding connection block 63, the one-way shaft 12 is positioned in the 67 and fixedly connected with a transmission bevel gear 60 engaged with the sliding connection block 63, the matching shaft 64 is positioned in the 67 and fixedly connected with a rotating wheel 62 positioned in front of the sliding connection block 63, the 67 is internally connected with a 58 in a sliding manner, a limiting groove 59 is arranged in the 58, a sliding pin 61 fixedly connected with the rotating wheel 62 is slidably connected in the limiting groove 59, the left side wall of the 67 is communicated with one side of the horizontal direction, a fixed piston rod 56 fixedly connected with the left side of the oil pipe 58 is connected in a sliding manner in the oil pipe 55, a bevel gear transmission groove 44 is formed in the lower side of the sliding groove 39, a spline shaft 43 is rotationally matched on a wall body between the bevel gear transmission groove 44 and the sliding groove 39, the spline shaft 43 is positioned in the sliding groove 39 and is in threaded connection with the thread block 38, the spline shaft 43 is positioned in the bevel gear transmission groove 44, a spline bevel gear 42 is connected in a spline manner, the spline bevel gear 42 is provided with a ring groove 47, the top wall of the bevel gear transmission groove 44 is fixedly provided with the vertical side of the oil pipe 55, a piston push rod 41 which is in driving connection with the ring groove 47 is connected in the oil pipe 55 in a sliding manner, a motor shaft 45 is rotationally matched on the right wall of the bevel gear transmission groove 44, and a connecting bevel gear 70, the motor shaft 45 extends rightwards to the tail end of the right side of the bevel gear transmission groove 44, a power motor 46 embedded in the speed reducer body 53 is in power connection with the tail end of the right side of the bevel gear transmission groove 44, a connecting spring 48 is connected between the spline shaft 43 and the spline bevel gear 42, the rotating shaft 11 is positioned in the sliding connection groove 51 and is fixedly connected with a rotating gear 54 meshed with the extrusion rack 10, the transmission shaft 21 is positioned in the sliding groove 16 and is fixedly connected with a ratchet wheel 20, a butting torsion spring 65 is connected between the rear wall of the sliding groove 16 and the transmission shaft 21, the bottom wall of the sliding block 15 is provided with a horizontal part on the other side of the oil pipe 55, a pawl 22 which can be matched with the ratchet wheel 20 in a pawl manner is slidably connected in the oil pipe 55, a fixed spring 71 is connected between the pawl 22 and the wall body of the sliding groove 16, when the, the oil pressure in the oil pipe 55 is increased, so that the connecting bevel gear 70 is meshed with the spline bevel gear 42, the screw block 38 is lowered, and the lower the automobile speed is, the more gentle the left and right speed reducing belts 18 are.
In addition, in one embodiment, the responsibility determination device further includes a connecting torsion spring 66 connected between the extending shaft 35 and the rear wall of the connecting groove 24, and an abutting groove 25 is connected between the moving block 29 and the top wall of the moving groove 28, when the vehicle speed is too fast, the moving distance of the sliding block 15 is small, the connecting block 23 drives the translation block 36 to move for a small distance, and the translation rack 37 drives the transmission gear 33 to rotate, so that the gesture cam abutting rod 32 can abut against the conductive block 30.
In the initial state, the abutment spring 13 is in a relaxed state, the spline bevel gear 42 is not engaged with the coupling bevel gear 70, the abutment torsion spring 65 is in a relaxed state, the coupling torsion spring 66 is in a relaxed state, and the hold-down spring 52 is in a relaxed state.
When the deceleration work is needed, the power motor 46 is started, the vehicle owner opens the right side of the deceleration strip 18, sees that the deceleration strip 18 is opened for deceleration, firstly, the front wheel drives the extrusion rack 10 to move downwards through the extrusion rack 10, so that the rotating gear 54 rotates, and the rotating shaft 11 can be driven to rotate, at this time, the rotating shaft 11 can drive the one-way shaft 12 to rotate, and then drives the slip-connection block 63 to rotate, so that the 58 moves to the maximum degree leftwards, so that the fixed piston rod 56 is fixed leftwards, the oil pressure in the oil pipe 55 is increased, at this time, the connecting bevel gear 70 is meshed with the spline bevel gear 42, so that the motor shaft 45 drives the spline shaft 43 to rotate, so that the thread block 38 moves downwards, so that the deceleration strip 18 is slowed, at the same time, the pawl 22 is fixed leftwards and is disengaged from the ratchet 20, and then the rear, 58 move rightwards again and reset, the oil pressure in the oil pipe 55 is reduced, so that the connecting bevel gear 70 is disengaged from the spline bevel gear 42, at the moment, if the time that the front and rear wheels of the automobile pass through the extrusion rack 10 is longer, the descending degree of the thread block 38 is larger, the left and right speed reducing belts 18 are slower, the pawl 22 is matched with the ratchet wheel 20, the speed reducing belts 18 cannot reset, at the moment, the automobile passes through the deformed speed reducing belts 18, when the next automobile is driven, the extrusion rack 10 is pressed downwards to reset the abutting torsion spring 65, then the power motor 46 is started, when the automobile passes through the speed reducing belts 18, the translation rack 37 moves leftwards to drive the cam 34 to rotate, the cam abutting rod 32 is enabled to abut against the sliding groove 31 for a long time, the shooting device 26 starts to record the running process of the automobile, and if an accident occurs, the video can be taken as evidence.
The invention has the beneficial effects that: the time of rack is successively extruded through the front and back wheel to judge the speed that the car went, the speed that the car went is fast more, and the deceleration strip will be precipitous more, and the car slows down more, and the deceleration strip can be gentle, thereby the car can reach the effect of slowing down, can reach the effect of bradyseism again, if the speed of going of car is too fast, the car video recording that the shooting device can go overspeed, if the accident takes place, can take out this video recording and decide the liabilities of evidence.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and scope of the present invention are intended to be included therein.