CN215952455U - Minimum turning diameter measuring device for vehicle - Google Patents
Minimum turning diameter measuring device for vehicle Download PDFInfo
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- CN215952455U CN215952455U CN202121608829.1U CN202121608829U CN215952455U CN 215952455 U CN215952455 U CN 215952455U CN 202121608829 U CN202121608829 U CN 202121608829U CN 215952455 U CN215952455 U CN 215952455U
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- connecting rod
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Abstract
The utility model provides a vehicle minimum turning diameter measuring device which comprises a first connecting plate, wherein the top and the bottom of the first connecting plate are respectively and fixedly connected with a first connecting rod and a second connecting rod which are transversely arranged, one end of the first connecting rod is fixedly connected with a strong magnetic base, one end of the second connecting rod is rotatably connected with one side of the second connecting plate, the other side of the second connecting plate is rotatably connected with a rotating shaft, two ends of the rotating shaft are rotatably connected with rollers, a counter is arranged on the rotating shaft and electrically connected with a turn number display, a pressure spring is fixedly connected to the position, close to the rotating shaft, of the second connecting plate, and the other end of the pressure spring is fixedly connected with the second connecting rod. The utility model uses the counter to calculate the number of turns of the roller, and can directly obtain the minimum turning diameter of the vehicle through calculation, thereby achieving the purpose of measuring the minimum turning diameter of the vehicle automatically, with high precision and high efficiency.
Description
Technical Field
The utility model relates to a device for measuring the minimum turning diameter of a vehicle, belonging to the technical field of measurement of the minimum turning diameter of a heavy truck.
Background
According to the technical condition maneuverability parameters of GB/T12540 vehicles, a whole vehicle main engine plant needs to measure the minimum turning diameter of each produced vehicle so as to ensure that the value is in a specified range, thereby ensuring the maneuverability and the running safety of the vehicle. However, the current measurement of the minimum turning diameter of each main engine plant adopts the traditional way of sprinkling water or marking a track to obtain the track and then measures the diameter of the track. The traditional measuring method is backward, large in measuring result error and high in labor cost, and cannot be used for measurement in rainy days with large weather influence.
SUMMERY OF THE UTILITY MODEL
In order to solve the above technical problems, an object of the present invention is to provide a device for measuring a minimum turning diameter of a vehicle, which has the following specific technical scheme:
the utility model provides a vehicle minimum turning diameter measuring device, includes first connecting plate, the top and the horizontal head rod and the second connecting rod that set up of bottom difference fixed connection of first connecting plate, the strong magnetic base of one end fixed connection of head rod, the one end of second connecting rod is rotated with one side of second connecting plate and is connected, the opposite side of second connecting plate is rotated and is connected the pivot, the both ends of pivot are rotated and are connected the gyro wheel, install the counter in the pivot, counter and number of turns display electric connection, fixed connection pressure spring in the position that the second connecting plate is close to the pivot, pressure spring's the other end and second connecting rod fixed connection.
Preferably, the top and the bottom of first connecting plate are equipped with the through-hole that is used for installing head rod and second connecting rod respectively, the top and the bottom of first connecting plate are equipped with and correspond the logical groove of through-hole intercommunication, the both sides that lead to the groove all are equipped with the screw hole, threaded hole installation screw rod, the screw rod is equipped with screw thread section and non-screw section, the tip fixed connection adjustment handle of non-screw section.
Preferably, one side of the second connecting plate is fixedly connected with a sleeve, and one end of the second connecting rod penetrates through the sleeve to be rotatably connected with the second connecting plate; the position of the second connecting plate, which is close to the rotating shaft, is in threaded connection with a first bolt, the bottom of the sleeve is in threaded connection with a second bolt, two ends of the pressure spring are fixedly connected with the first bolt and the second bolt respectively, and the first bolt is located above the second bolt in an inclined mode.
Preferably, the device also comprises a laser sensor, the laser sensor is electrically connected with the pulse relay, one end of a normally open contact of the pulse relay is connected with a power supply, the other end of the normally open contact of the pulse relay is respectively electrically connected with a conversion relay and a coil of the normally open relay, two conversion contacts of the conversion relay are respectively connected with a pause counting indicator and an automatic counting indicator and then are electrically connected with a turn number display through a second switch of a manual counting starting switch, and a common contact of the conversion relay is electrically connected with the turn number display; one end of a normally open contact of the normally open relay is electrically connected with the turn number display, the other end of the normally open contact of the normally open relay is electrically connected with the turn number display after passing through a first switch of a manual counting starting switch, and two ends of a third switch of the manual counting starting switch are respectively electrically connected with a power supply and a manual counting indicating lamp; the number of turns display still with counter and constant voltage power supply electric connection, constant voltage power supply and power indicator parallel connection.
The utility model uses the counter to calculate the number of turns of the roller, and can directly obtain the minimum turning diameter of the vehicle through calculation, thereby achieving the purpose of measuring the minimum turning diameter of the vehicle automatically, with high precision and high efficiency.
Drawings
Fig. 1 is a schematic structural view of a minimum turning diameter measuring apparatus for a vehicle according to the present invention.
Fig. 2 is a circuit connection diagram of a minimum turning diameter measuring apparatus for a vehicle according to the present invention.
In the figure: 1. a first connecting plate; 2. a first connecting rod; 3. a second connecting rod; 4. a strong magnetic base; 5. a second connecting plate; 6. a rotating shaft; 7. a roller; 8. a counter; 9. a pressure spring; 10. a through groove; 11. a threaded hole; 12. a screw; 13. an adjusting handle; 14. a sleeve; 15. a first bolt; 16. a second bolt; k1, pulse relay; k2, a transfer relay; k3, normally open relay; b1, laser sensor; b2, a pulse generator; s1, a manual counting starting switch; p1, lap number display; t1, regulated power supply; h1, power indicator light; h2, auto-count indicator light; h3, pause count indicator light; h4, manual count indicator light.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, a vehicle minimum turning diameter measuring device comprises a first connecting plate 1, wherein the top and the bottom of the first connecting plate 1 are respectively fixedly connected with a first connecting rod 2 and a second connecting rod 3 which are transversely arranged, one end of the first connecting rod 2 is fixedly connected with a strong magnetic base 4, one end of the second connecting rod 3 is rotatably connected with one side of the second connecting plate 5, the other side of the second connecting plate 5 is rotatably connected with a rotating shaft 6, two ends of the rotating shaft 6 are rotatably connected with rollers 7, a counter 8 is mounted on the rotating shaft 6, the counter 8 is electrically connected with a turn number display P1, the second connecting plate 5 is fixedly connected with a pressure spring 9 at a position close to the rotating shaft 6, and the other end of the pressure spring 9 is fixedly connected with the second connecting rod 3.
The top and the bottom of first connecting plate 1 are equipped with the through-hole that is used for installing head rod 2 and second connecting rod 3 respectively, the top and the bottom of first connecting plate 1 are equipped with and correspond logical groove 10 of through-hole intercommunication, the both sides that lead to groove 10 all are equipped with screw hole 11, installation screw rod 12 in the screw hole 11, screw rod 12 is equipped with screw thread section and non-screw section, the end fixing of non-screw section connects adjustment handle 13. By rotating the adjusting handle 13, the threaded section of the screw 12 is connected with the threaded hole 11 until the threaded hole 11 on one side of the through groove 10 is completely contacted with the non-threaded section of the screw 12, and the adjusting handle 13 is continuously rotated, so that the purpose of fixing the first connecting rod 2 and the second connecting rod 3 is achieved.
One side of the second connecting plate 5 is fixedly connected with a sleeve 14, and one end of the second connecting rod 3 penetrates through the sleeve 14 to be rotatably connected with the second connecting plate 5; the second connecting plate 5 is close to the position of the rotating shaft 6 and is in threaded connection with a first bolt 15, the bottom of the sleeve 14 is in threaded connection with a second bolt 16, two ends of the pressure spring 9 are fixedly connected with the first bolt 15 and the second bolt 16 respectively, and the first bolt 15 is located on the position, obliquely above the second bolt 16.
As shown in fig. 2, the device further comprises a laser sensor B1, the laser sensor B1 is electrically connected with a pulse relay K1, one end of a normally open contact of the pulse relay K1 is connected with a power supply, the other end of the normally open contact is electrically connected with coils of a transfer relay K2 and a normally open relay K3, two transfer contacts of the transfer relay K2 are electrically connected with a turn number display P1 through a second switch of a manual counting starting switch S1 after being connected with a pause counting indicator light H3 and an automatic counting indicator light H2, and a common contact of the transfer relay K2 is electrically connected with the turn number display P1; one end of a normally open contact of the normally open relay K3 is electrically connected with a turn number display P1, the other end of the normally open contact of the normally open relay K2 is electrically connected with the turn number display P1 after passing through a first switch of a manual counting starting switch S1, and two ends of a third switch of the manual counting starting switch S1 are electrically connected with a power supply and a manual counting indicator lamp H4 respectively; the number of turns display P1 still with pulse generator B2 and constant voltage power supply T1 electric connection in the counter 8, constant voltage power supply T1 and power supply electric connection, constant voltage power supply T1 and power indicator H1 parallel connection.
The working principle of the utility model is as follows:
the strong magnetic seat 4 is attracted below the cab, the roller 7 is lapped on the wheel of the vehicle, and the pressure spring 9 is in a tensioning state, so that the roller 7 and the wheel are always ensured to be in a contact state in the advancing process of the wheel. The laser sensor B1 was mounted on the side of the cab and marked on the ground at the vertical projection of the laser sensor B1.
When the counter 8 is used for automatic counting, the vehicle is started and operated to move in a full-rudder state of a steering wheel, the wheels rotate to drive the roller 7 to rotate, the automatic counting indicator lamp H2 is lightened at the moment to prompt a user that the device is in an automatic counting state, and the circle number display P1 receives a pulse signal sent by the pulse generator B2 in the counter 8 and converts the pulse signal into the number of circles to be displayed on the circle number display P1. The marked position is provided with a reflector, when a vehicle runs for one circle, a laser sensor B1 scans the reflector, and then sends a signal to a pulse relay K1, a coil of the pulse relay K1 is electrified, a normally open contact is closed, a power supply supplies power to coils of a transfer relay K2 and a normally open relay K3 respectively, after coils of a transfer relay K2 and a normally open relay K3 are electrified, the transfer switch of the transfer relay K2 acts, a pause counting indicator lamp H3 is lightened, a user is prompted, the device is in a counting stop state, the normally open contact of the normally open relay K3 is closed, a circle number display P1 generates a short circuit signal, and the circle number display P1 is controlled to stop counting.
When the counter 8 is used for manual counting, the laser sensor B1 is not in effect, the manual counting starting switch S1 is pressed, the second switch and the third switch of the manual counting starting switch S1 are conducted, the automatic counting indicator lamp H2 is lightened to prompt a user that the device is in an automatic counting state, and the circle number display P1 receives a pulse signal sent by the pulse generator B2 in the counter 8 and converts the pulse signal into the number of circles to be displayed on the circle number display P1. And meanwhile, the manual counting indicator lamp H4 is lightened to remind a user that the device is in a manual operation state, when the vehicle runs for one circle to reach the initial position, the running is stopped, and the data displayed by the circle number display P1 is the rolling circle number of the roller 7 corresponding to the vehicle running circle counter 8.
The turning diameter of the vehicle can be calculated according to the rolling circle number of the roller 7 and the diameter of the roller 7, and the minimum turning diameter phi is calculated according to the following derivation formula2。
Ф1＝2πR×N
Ф2＝Ф1÷π
Ф1Perimeter of vehicle travel, phi2Minimum turning diameter, R roller radius, N number of rolling turns
The vehicle minimum turning diameter measuring device is suitable for military heavy trucks and civil heavy trucks. The whole vehicle main engine plant automatically and efficiently measures the minimum turning diameter of the vehicle through the vehicle minimum turning diameter measuring device so as to ensure that the value is in a specified range, ensure the maneuverability and the running safety of the vehicle and change the traditional measuring mode for displaying the track of the tire.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.
Claims (4)
1. A vehicle minimum turning diameter measuring device characterized in that: including first connecting plate, the top and the bottom of first connecting plate are head rod and the second connecting rod that fixed connection transversely set up respectively, the strong magnetic base of one end fixed connection of head rod, the one end of second connecting rod is rotated with one side of second connecting plate and is connected, the opposite side of second connecting plate is rotated and is connected the pivot, the both ends of pivot are rotated and are connected the gyro wheel, install the counter in the pivot, counter and number of turns display electric connection, fixed connection pressure spring on the position that the second connecting plate is close to the pivot, pressure spring's the other end and second connecting rod fixed connection.
2. A vehicle minimum turning diameter measuring device according to claim 1, characterized in that: the top and the bottom of first connecting plate are equipped with the through-hole that is used for installing first connecting rod and second connecting rod respectively, the top and the bottom of first connecting plate are equipped with and correspond the logical groove of through-hole intercommunication, the both sides that lead to the groove all are equipped with the screw hole, threaded hole installation screw rod, the screw rod is equipped with screw thread section and non-screw section, the tip fixed connection adjustment handle of non-screw section.
3. A vehicle minimum turning diameter measuring device according to claim 1, characterized in that: one side of the second connecting plate is fixedly connected with a sleeve, and one end of the second connecting rod penetrates through the sleeve to be rotatably connected with the second connecting plate; the position of the second connecting plate, which is close to the rotating shaft, is in threaded connection with a first bolt, the bottom of the sleeve is in threaded connection with a second bolt, two ends of the pressure spring are fixedly connected with the first bolt and the second bolt respectively, and the first bolt is located above the second bolt in an inclined mode.
4. A vehicle minimum turning diameter measuring device according to claim 1, characterized in that: the device also comprises a laser sensor, wherein the laser sensor is electrically connected with the pulse relay, one end of a normally open contact of the pulse relay is connected with a power supply, the other end of the normally open contact of the pulse relay is respectively electrically connected with a conversion relay and a coil of the normally open relay, two conversion contacts of the conversion relay are respectively connected with a pause counting indicator and an automatic counting indicator and then are electrically connected with a turn number display through a second switch of the manual counting starting switch, and a common contact of the conversion relay is electrically connected with the turn number display; one end of a normally open contact of the normally open relay is electrically connected with the turn number display, the other end of the normally open contact of the normally open relay is electrically connected with the turn number display after passing through a first switch of a manual counting starting switch, and two ends of a third switch of the manual counting starting switch are respectively electrically connected with a power supply and a manual counting indicating lamp; the number of turns display still with counter and constant voltage power supply electric connection, constant voltage power supply and power indicator parallel connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121608829.1U CN215952455U (en) | 2021-07-15 | 2021-07-15 | Minimum turning diameter measuring device for vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121608829.1U CN215952455U (en) | 2021-07-15 | 2021-07-15 | Minimum turning diameter measuring device for vehicle |
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| CN215952455U true CN215952455U (en) | 2022-03-04 |
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| CN202121608829.1U Active CN215952455U (en) | 2021-07-15 | 2021-07-15 | Minimum turning diameter measuring device for vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115077337A (en) * | 2022-07-01 | 2022-09-20 | 宜春市山腾电子有限公司 | High-precision roller type metering device |
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2021
- 2021-07-15 CN CN202121608829.1U patent/CN215952455U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115077337A (en) * | 2022-07-01 | 2022-09-20 | 宜春市山腾电子有限公司 | High-precision roller type metering device |
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