Radio wave speed measuring device with multi-position detection function
1. A multiple-position-detection radio wave speed measuring device comprising a radio wave transmitter (1), characterized in that: the radio wave transmitter (1) comprises a framework (101), a speed measuring unit (102), a detecting unit (103) and a storage battery (104) are arranged in the framework (101), a first connecting frame (105) is arranged below the framework (101), a first position adjusting mechanism (2) is arranged below the first connecting frame (105), the first position adjusting mechanism (2) is positioned in a first shell (8), a connecting shaft (9) is arranged below the first shell (8), the connecting shaft (9) is connected with a second position adjusting mechanism (10), the second position adjusting mechanism (10) comprises a first bevel gear (1001), a second bevel gear (1002) and a third bevel gear (1003), the second position adjusting mechanism (10) is positioned in a second shell (11), and a third position adjusting mechanism (12) is connected below the second shell (11), the third position adjusting mechanism (12) comprises a screw mechanism (13) and a mounting frame (14).
2. A multi-position detection radio wave velocity measuring device according to claim 1, wherein: the first position adjusting mechanism (2) comprises a first gear (3), a rack (4), a first connecting rod (5), a second connecting rod (6) and a second connecting frame (7), the other end of the second connecting rod (6) is connected with the second connecting frame (7), the second connecting frame (7) is fixed on the first shell (8), a Y-shaped groove is arranged on the first connecting rod (5), one end of the second connecting rod (6) is arranged in the Y-shaped groove, one end of the first connecting rod (5) is fixedly connected with the first connecting frame (105), the other end of the first connecting rod (5) is connected with the first gear (3) through a first rotating shaft (15), the first gear (3) is meshed with the rack (4), the rack (4) is fixed on the first shell (8), and the first rotating shaft (15) is driven by a first motor (16), the first motor (16) is installed on the sliding trolley (17), a through hole is formed in the sliding trolley (17), a guide rod (18) is arranged in the through hole, and two ends of the guide rod (18) are fixed on the first shell (8).
3. A multi-position detection radio wave velocity measuring device according to claim 2, wherein: the second shell (11) is provided with three bearing holes (1101), a first bearing (19) is arranged in each bearing hole (1101), a second rotating shaft (1102) and a third rotating shaft (1103) are installed in the first bearing (19), the second rotation axis (1102) is perpendicular to the connection axis (9) and the third rotation axis (1103), the axes of the connecting shaft (9), the second rotating shaft (1102) and the third rotating shaft (1103) are positioned in the same plane, the first bevel gear (1001) is arranged on the connecting shaft (9), the second bevel gear (1002) is arranged on the second rotating shaft (1102), the third bevel gear (1003) is mounted on the third rotating shaft (1103), the second motor (20) is connected to the second rotating shaft (1102), and the second motor (20) is fixed on the second shell (11).
4. A multi-position detection radio wave velocity measuring device according to claim 1, wherein: the second shell (11) is provided with a connecting block (1104) in a downward placing mode, and a square hole is formed in the connecting block (1104).
5. A multi-position detection radio wave velocity measuring device according to claim 3, wherein: the mounting rack (14) is provided with a sliding groove (1401) and a first mounting hole, a second bearing is mounted in the first mounting hole, the mounting rack (14) is connected with an end cover (21), the second bearing is mounted in the end cover (21), two fixing frames (22) are arranged below the mounting rack (14), threaded holes are formed in the fixing frames (22), screws (23) are arranged in the threaded holes, and nuts (24) are mounted on the screws (23).
6. A multi-position detection radio wave velocity measuring device according to claim 1, wherein: the screw mechanism (13) comprises a first screw rod (1301) and a sliding block (1302), a square bump (1312) is arranged on the sliding block (1302), two ends of the first screw rod (1301) are installed in a second bearing, and the first screw rod (1301) is driven by a third motor (25).
7. A multi-position detection radio wave velocity measuring device according to claim 1, wherein: the first position adjusting mechanism (2) comprises a second gear (26), the second gear (26) is fixedly connected with the first connecting frame (105), a third gear (27) meshed with the second gear (26) is arranged below the second gear (26), a limiting hole (2701) is formed in the third gear (27), the limiting hole (2701) is connected with a limiting mechanism (29), the third gear (27) is driven by a fourth motor (28), the fourth motor (28) is fixed on the first shell (8), and a third connecting frame (30) is arranged above the first shell (8).
8. A multi-position detection radio wave velocity measuring device according to claim 7, wherein: the limiting mechanism (29) comprises a moving rod (2901), the moving rod (2901) is located on the fixed frame, one end of the moving rod (2901) is located in the limiting hole (2701), a spring (2902) is arranged on the moving rod (2901), the other end of the moving rod (2901) is connected with an eccentric wheel (2903), and the eccentric wheel (2903) is driven by a fifth motor (2904).
9. A multi-position detection radio wave velocity measuring device according to claim 1, wherein: first position adjustment mechanism (2) include push rod (31), push rod (31) are connected with head rod (32), be provided with fourth link (33) on first casing (8), head rod (32) run through with first link (105) with fourth link (33), be provided with in fourth link (33) and remove slide rail (3301), push rod (31) are connected with second screw rod (34), second screw rod (34) with push rod (31) are located fender rod (35), be provided with second connecting rod (36) on fender rod (35), second connecting rod (36) are installed in first casing (8).
10. A multi-position detection radio wave velocity measuring device according to claim 9, wherein: the second screw rod (34) is connected with a sixth motor (37), the sixth motor (37) is located on a fixing block (38), a guide groove is formed in the fixing block (38), and the fixing block (38) is installed on the protection rod (35).
Background
The operating principle adopted by radio wave velocity measurement is the doppler effect, when a continuous wave signal is transmitted to a target at a fixed frequency, if the target moves (approaches or moves away) relative to a radio wave transmitter, the frequency of the reflected wave received by the radio wave transmitter will change, and the faster the relative movement speed, the greater the change of the receiving frequency relative to the transmitting frequency.
At present, radio wave speed measurement is almost everywhere visible, and especially street accident easily takes place, and radio wave speed measurement detects whether passing vehicle is overspeed, and present radio wave speed measurement device can only measure in a position, but has the dead angle to the road of multilane unavoidably, if know by some drivers who do not obey traffic rules, large-scale traffic accident appears very easily, is unfavorable for building harmonious beautiful society.
Disclosure of Invention
The invention provides a radio wave speed measuring device for multi-position detection, and aims to solve the problem that a traditional radio wave speed measuring device has a measuring blind area.
The invention is realized in such a way that a multi-position detection radio wave speed measuring device comprises a radio wave transmitter, wherein the radio wave transmitter comprises a framework, a speed measuring unit, a detection unit and a storage battery are arranged in the framework, a first connecting frame is arranged below the framework, a first position adjusting mechanism is arranged below the first connecting frame and is positioned in a first shell, a connecting shaft is arranged below the first shell and is connected with a second position adjusting mechanism, the second position adjusting mechanism comprises a first bevel gear, a second bevel gear and a third bevel gear, the second position adjusting mechanism is positioned in a second shell, a third position adjusting mechanism is connected below the second shell and comprises a spiral mechanism and a mounting frame.
Furthermore, the first position adjusting mechanism comprises a first gear, a rack, a first connecting rod, a second connecting rod and a second connecting frame, the other end of the second connecting rod is connected with the second connecting frame which is fixed on the first shell, the first connecting rod is provided with a Y-shaped groove, one end of the second connecting rod is arranged in the Y-shaped groove, one end of the first connecting rod is fixedly connected with the first connecting frame, the other end of the first connecting rod is connected with the first gear through a first rotating shaft, the first gear is meshed with the rack, the rack is fixed on the first shell, the first rotating shaft is driven by a first motor, the first motor is arranged on the sliding vehicle, the sliding trolley is provided with a through hole, a guide rod is arranged in the through hole, and two ends of the guide rod are fixed on the first shell.
Furthermore, the second housing is provided with three bearing holes, a first bearing is installed in each bearing hole, a second rotating shaft and a third rotating shaft are installed in each first bearing, the second rotating shaft is perpendicular to the connecting shaft and the third rotating shaft, the axes of the connecting shaft, the second rotating shaft and the third rotating shaft are located in the same plane, the first bevel gear is installed on the connecting shaft, the second bevel gear is installed on the second rotating shaft, the third bevel gear is installed on the third rotating shaft, the second rotating shaft is provided with a second motor, and the second motor is fixed on the second housing.
Furthermore, a connecting block is arranged below the second shell, and a square hole is formed in the connecting block.
Furthermore, the mounting frame is provided with a sliding groove and a first mounting hole, a second bearing is mounted in the first mounting hole, the mounting frame is connected with an end cover, the second bearing is mounted in the end cover, two fixing frames are arranged below the mounting frame, threaded holes are formed in the fixing frames, screws are arranged in the threaded holes, and nuts are mounted on the screws.
Furthermore, the screw mechanism comprises a first screw and a sliding block, a square bump is arranged on the sliding block, two ends of the first screw are arranged in the second bearing, and the first screw is driven by a third motor.
Furthermore, the first position adjusting mechanism comprises a second gear, the second gear is fixedly connected with the first connecting frame, a third gear meshed with the second gear is arranged below the second gear, a limiting hole is formed in the third gear, the limiting hole is connected with a limiting mechanism, the third gear is driven by a fourth motor, the fourth motor is fixed on the first shell, and a third connecting frame is arranged above the first shell.
Furthermore, the limiting mechanism comprises a moving rod, the moving rod is located on the fixing frame, one end of the moving rod is located in the limiting hole, a spring is arranged on the moving rod, the other end of the moving rod is connected with an eccentric wheel, and the eccentric wheel is driven by a fifth motor.
Furthermore, first position adjustment mechanism includes the push rod, the push rod is connected with the head rod, be provided with the fourth link on the first casing, the head rod run through with the head rod with the fourth link, be provided with the movable slide rail in the fourth link, the push rod is connected with the second screw rod, the second screw rod with the push rod is located the fender rod, be provided with the second connecting rod on the fender rod, the second connecting rod is installed in the first casing.
Furthermore, the second screw rod is connected with a sixth motor, the sixth motor is located on the fixed block, a guide groove is formed in the fixed block, and the fixed block is installed on the protection rod.
The beneficial technical effects related to the implementation of the invention are as follows: the first position adjusting mechanism, the second position adjusting mechanism and the third position adjusting mechanism are arranged, so that the adjustment of vertical angle, horizontal angle and horizontal displacement is realized, the radio wave emitter can be in different positions, the detection range of the radio wave emitter can be enlarged through the cooperation of the first position adjusting mechanism, the second position adjusting mechanism and the third position adjusting mechanism, and the problem that a traditional radio wave speed measuring device has a blind area can be solved.
Drawings
FIG. 1 is an overall structural view of the present invention;
fig. 2 is a structural view of a radio wave transmitter of the present invention;
FIG. 3 is a structural view of a second position adjustment mechanism of the present invention;
FIG. 4 is a schematic view of the screw mechanism of the present invention;
FIG. 5 is a cross-sectional view of a first position adjustment mechanism in accordance with a first embodiment of the present invention;
FIG. 6 is a structural view of a first position adjustment mechanism in accordance with a first embodiment of the present invention;
FIG. 7 is a sectional view of the first position adjustment mechanism in the second embodiment of the present invention;
FIG. 8 is a structural view of a first position adjustment mechanism in the second embodiment of the present invention;
FIG. 9 is a sectional view of the first position adjustment mechanism in the third embodiment of the invention;
fig. 10 is a structural view of the first position adjustment mechanism in the third embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example one
Referring to fig. 1-6, the present invention is a multi-position detection radio wave speed measuring device, including a radio wave transmitter 1, the radio wave transmitter 1 includes a frame 101, a speed measuring unit 102, a detecting unit 103 and a storage battery 104 are disposed inside the frame 101, a first connecting frame 105 is disposed below the frame 101, a first position adjusting mechanism 2 is disposed below the first connecting frame 105, the first position adjusting mechanism 2 is disposed inside a first housing 8, a connecting shaft 9 is disposed below the first housing 8, the connecting shaft 9 is connected to a second position adjusting mechanism 10, the second position adjusting mechanism 10 includes a first bevel gear 1001, the second position adjusting mechanism 10 is located in the second casing 11, a third position adjusting mechanism 12 is connected below the second casing 11, and the third position adjusting mechanism 12 comprises a screw mechanism 13 and a mounting frame 14.
The first position adjusting mechanism 2 comprises a first gear 3, a rack 4, a first connecting rod 5, a second connecting rod 6 and a second connecting frame 7, the other end of the second connecting rod 6 is connected with the second connecting frame 7, the second connecting frame 7 is fixed on a first shell 8, a Y-shaped groove is arranged on the first connecting rod 5, one end of the second connecting rod 6 is arranged in the Y-shaped groove, one end of the first connecting rod 5 is fixedly connected with a first connecting frame 105, the other end of the first connecting rod 5 is connected with the first gear 3 through a first rotating shaft 15, the first gear 3 is meshed with the rack 4, the rack 4 is fixed on the first shell 8, the first rotating shaft 15 is driven by a first motor 16, the first motor 16 is arranged on a sliding vehicle 17, a through hole is arranged on the sliding vehicle 17, a guide rod 18 is arranged in the through hole, two ends of the guide rod 18 are fixed on the first shell 8, the first gear 3 is meshed with the rack 4 to drive the first connecting rod 5 to rotate, the first gear 3 rotates and translates simultaneously, under the action of the second connecting rod 6, the first connecting rod 5 rotates around the axis of the first rotating shaft 15, the adjustment of the up-down angle position is realized, because the first motor 16 is connected with the first motor through the first rotating shaft 15, the first motor 16 can translate along with the first gear 3, and the resistance in the movement can be reduced by arranging the sliding trolley 17.
Three bearing holes 1101 are formed in the second housing 11, a first bearing 19 is installed in each bearing hole 1101, a second rotating shaft 1102 and a third rotating shaft 1103 are installed in each first bearing 19, the second rotating shaft 1102 is perpendicular to the connecting shaft 9 and the third rotating shaft 1103, the axes of the connecting shaft 9, the second rotating shaft 1102 and the third rotating shaft 1103 are located in the same plane, a first bevel gear 1001 is installed on the connecting shaft 9, a second bevel gear 1002 is installed on the second rotating shaft 1102, a third bevel gear 1003 is installed on the third rotating shaft 1103, a second motor 20 is connected to each second rotating shaft 1102, the second motor 20 is fixed to the second housing 11, and rotation of the second bevel gear 1002, the third bevel gear 1003 and the first bevel gear 1001 are made to rotate around the axes thereof, so that the adjustment of the angle in the left-right direction of the radio wave transmitter 1 is achieved, and the provision of the two second bevel gears 1002 and the third bevel gear 1003 can improve the bearing capacity of the second position adjustment mechanism 10.
The second shell 11 is placed and is provided with the connecting block 1104, a square hole is formed in the connecting block 1104, the connecting block 1104 can be connected with the sliding block 1302 through the square hole, and random shaking cannot occur in the working process.
Be provided with sliding tray 1401 and first mounting hole on the mounting bracket 14, install the second bearing in the first mounting hole, the mounting bracket 14 is connected with end cover 21, the second bearing is equipped with in the end cover 21, mounting bracket 14 below is provided with two mounts 22, be provided with the screw hole on the mount 22, be provided with screw 23 in the screw hole, nut 24 is equipped with on the screw 23, can be fixed this device installation through mount 22, simultaneously through screw 23 and nut 24's threaded connection, can make the installation fasten more, the security performance and the convenience of device have been improved.
The screw mechanism 13 comprises a first screw 1301 and a sliding block 1302, a square bump 1312 is arranged on the sliding block 1302, two ends of the first screw 1301 are mounted in second bearings, the first screw 1301 is driven by a third motor 25, the screw mechanism 13 converts the rotary motion of the first screw 1301 into the movement of the sliding block 1302, the left and right displacement of the device can be achieved through the screw mechanism 13, and the detection of blind areas can be increased.
Example two
Referring to fig. 7 to 8, in the second embodiment, other structures are not changed, the present invention provides another structural form of the first position adjustment mechanism, the first position adjustment mechanism 2 includes a second gear 26, the second gear 26 is fixedly connected to the first connecting frame 105, a third gear 27 engaged with the second gear 26 is disposed below the second gear 26, a limiting hole 2701 is disposed on the third gear 27, a limiting mechanism 29 is connected to the limiting hole 2701, the third gear 27 is driven by a fourth motor 28, the fourth motor 28 is fixed to the first housing 8, a third connecting frame 30 is disposed above the first housing 8, since the second gear 26 is fixedly connected to the first connecting frame 105, the adjustment of the up-down angle of the radio wave transmitter 1 can be realized by the rotation of the second gear 26, the control of the angle of the third gear 27 can be realized by the rotation of the fourth motor 28, and the control of the angle of the second gear 26 can be further realized, thereby achieving control of the angle of the radio wave transmitter 1.
The limiting mechanism 29 includes a moving rod 2901, the moving rod 2901 is located on the fixed frame, one end of the moving rod 2901 is located in the limiting hole 2701, a spring 2902 is arranged on the moving rod 2901, the other end of the moving rod 2901 is connected with an eccentric wheel 2903, the eccentric wheel 2903 is driven by a fifth motor 2904, the fourth motor 28 has limited torque, the limiting mechanism 29 can reduce damage to the fourth motor 28 and control the angle of the first adjusting mechanism, the eccentric wheel 2903 is driven to rotate by rotation of the fifth motor 2904, the moving rod 2901 can be attached to the eccentric wheel 2903 under the elastic force of the spring 2902, and meanwhile, the moving rod 2901 can be inserted into the limiting hole 2701 by the reaction force of the eccentric wheel 2903.
EXAMPLE III
Referring to fig. 9-10, in the third embodiment, other structures are not changed, the present invention provides another structural form of the first position adjustment mechanism, the first position adjustment mechanism 2 includes a push rod 31, the push rod 31 is connected to a first connecting rod 32, a fourth connecting frame 33 is provided on the first housing 8, the first connecting rod 32 penetrates through the first connecting frame 105 and the fourth connecting frame 33, a movable slide rail 3301 is provided in the fourth connecting frame 33, the push rod 31 is connected to a second screw 34, the second screw 34 and the push rod 31 are located in a guard bar 35, a second connecting rod 36 is provided on the guard bar 35, the second connecting rod 36 is installed in the first housing 8, the second screw 34 and the guard bar 35 form a screw mechanism, the movement of the guard bar 35 is realized by the rotation of the second screw 34, as the push rod 31 is in contact with the second screw 34, the second screw 34 and the guard bar 35 generate relative movement, relative movement is also generated between the guard bar 35 and the push bar 31, so that the second connecting bar 36 rotates relative to the first housing 8, and as the guard bar 35 rotates, the push bar 31 moves along the track of the moving slide 3301, and finally the radio wave emitter 1 rotates.
The second screw 34 is connected with a sixth motor 37, the sixth motor 37 is located on a fixed block 38, a guide groove is formed in the fixed block 38, the fixed block 38 is installed on the protection rod 35, the protection rod 35 can only rotate relative to the protective shell 1, the second screw 34 can move in a translation mode relative to the protection rod 35, and the sixth motor 37 is directly connected with the second screw 34, so that the sixth motor 37 can move in a translation mode along with the second screw 34, and the sixth motor 37 can move along the guide groove in the fixed block 38.
The working principle of the invention is as follows: when the invention is used, the motor in the first position adjusting mechanism 2 is started to enable the radio wave emitter 1 to realize the adjustment of the vertical angle, the motors in the second position adjusting mechanism 10 and the third position adjusting mechanism 12 are started simultaneously, the second motor 20 drives the second bevel gear 1002 to rotate so as to drive the first bevel gear 1001 to rotate, the first shell 8 rotates relative to the second shell 11 due to the first bevel gear 1001 mounted on the connecting shaft 9 in the first shell 8, and further enables the radio wave emitter 1 to rotate in the left-right direction, the third motor 25 drives the screw mechanism 13 so as to realize the movement of the movable slider 1302, and the connecting block 1104 in the second shell 11 is connected with the movable slider 1302 so as to realize the left-right movement of the second shell 11, and further realizes the left-right movement of the first shell 8, and further realizes the left-right movement of the radio wave emitter 1, and the first position adjusting mechanism 2 is used for realizing the left-right movement of the radio wave emitter 1, The second position adjustment mechanism 10 and the third position adjustment mechanism 12 enable multi-position speed measurement of the radio wave transmitter 1.
The beneficial technical effects related to the implementation of the invention are as follows: owing to set up first position adjustment mechanism 2, second position adjustment mechanism 10 and third position adjustment mechanism 12, realized the adjustment of upper and lower angle, control the angle and control the displacement about respectively for radio wave transmitter 1 can be in different positions, and cooperation through first position adjustment mechanism 2, second position adjustment mechanism 10 and third position adjustment mechanism 12 can make radio wave transmitter 1's detection range grow, so can solve the problem that traditional radio wave speed sensor exists the blind area.
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 and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
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