CN217808605U - Anti-collision forklift based on millimeter wave technology - Google Patents
Anti-collision forklift based on millimeter wave technology Download PDFInfo
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- CN217808605U CN217808605U CN202221857280.4U CN202221857280U CN217808605U CN 217808605 U CN217808605 U CN 217808605U CN 202221857280 U CN202221857280 U CN 202221857280U CN 217808605 U CN217808605 U CN 217808605U
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Abstract
The utility model discloses an anticollision fork truck based on millimeter wave technique, including the automobile body, set up the drive arrangement in the automobile body bottom, set up the driver's cabin at automobile body top and set up the crane in the automobile body front side, the drive arrangement includes running gear, is used for driving the driver that the running gear walked and is used for carrying out the braking system to the running gear; the top of the lifting frame is provided with a first millimeter wave radar, two sides of the vehicle body are respectively provided with a second millimeter wave radar, and the tail of the vehicle body is provided with a third millimeter wave radar; the cab is provided with an alarm unit; an auxiliary brake for performing auxiliary braking on the travelling mechanism is arranged at the bottom of the vehicle body; the first millimeter wave radar, the second millimeter wave radar, the third millimeter wave radar and the brake system are respectively connected with the input end of the controller, and the alarm unit and the auxiliary brake are respectively connected with the output end of the controller.
Description
Technical Field
The utility model relates to an anticollision fork truck based on millimeter wave technique.
Background
Fork truck is by wide application in transportation hub, factory workshop, warehouse, circulation center and distribution center etc. is almost the indispensable transport means in all workshops, simple and convenient while, and the incident is the frequent emergence yet. In recent years, the accident rate of global forklifts is rising linearly, and how to ensure the safe operation of the forklifts is the first task of each production enterprise.
The existing forklift anti-collision technology mainly comprises a wireless pulse ranging technology and a UWB-based technology.
The wireless pulse distance measurement technology is adopted, a host is installed on the vehicle, personnel wear the tag, the real-time distance between the vehicle and the personnel can be accurately measured while the real-time distance between the vehicle and the personnel is accurately measured, real-time and all-around safety distance measurement protection is achieved, and the precision is 10 cm.
A set of safe range finding system based on UWB technique is independently developed, and the precision can reach 10cm, can effectively prevent the fork truck occurence of failure through accurate range finding early warning, can fix a position the accurate position of personnel, vehicle in real time simultaneously. The system also has the characteristics of large capacity, strong multipath resistance, low power consumption and the like. There are two main types of devices in the system, one is a ranging base station and the other is a ranging tag. In specific application, the distances between the base station and between the base station and the label represent the distances between vehicles and between the vehicles and personnel, and when the distance is smaller than a set minimum value, the alarm and the label connected with the base station send alarm real-time reminding to prevent collision accidents of the forklift.
However, the two technologies can only be used in specific scenes, and a label needs to be equipped on a person or an obstacle, so that the two technologies are low in daily use convenience, not strong in environment applicability such as environment and a mobile center where the obstacle is flexible and changeable, and the forklift anti-collision technology does not have an automatic auxiliary brake function.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an anticollision fork truck based on millimeter wave technique to it is not high to solve present fork truck range finding mode suitability. And does not have the auxiliary brake function.
In order to solve the technical problem, the utility model provides an anti-collision forklift based on millimeter wave technology, which comprises a forklift body, a driving device arranged at the bottom of the forklift body, a cab arranged at the top of the forklift body and a lifting frame arranged at the front side of the forklift body, wherein the driving device comprises a travelling mechanism, a driver for driving the travelling mechanism to travel and a brake system for braking the travelling mechanism; the top of the lifting frame is provided with a first millimeter wave radar, two sides of the vehicle body are respectively provided with a second millimeter wave radar, and the tail of the vehicle body is provided with a third millimeter wave radar; the cab is provided with an alarm unit; an auxiliary brake for performing auxiliary braking on the travelling mechanism is arranged at the bottom of the vehicle body; the first millimeter wave radar, the second millimeter wave radar, the third millimeter wave radar and the brake system are respectively connected with the input end of the controller, and the alarm unit and the auxiliary brake are respectively connected with the output end of the controller.
Further, first millimeter wave radar passes through the mount pad to be fixed at the top of crane, and first millimeter wave radar passes through the lifter to be installed on the mount pad, and the bottom and the mount pad of lifter are connected, and first millimeter wave radar is installed on the top of lifter.
Furthermore, the mounting seat is an inverted U-shaped mounting frame and comprises two vertical plates which are oppositely arranged to form a clamping effect and a transverse plate connected between the two vertical plates; two vertical plates of the mounting seat are clamped on a cross beam at the top of the lifting frame, first mounting holes are formed in the two vertical plates, and second mounting holes matched with the first mounting holes are formed in the cross beam of the lifting frame; the bottom end of the lifting rod is fixedly installed on one side, away from the vertical plate, of the transverse plate.
Further, the alarm unit comprises a voice alarm arranged in the cab and an audible and visual alarm arranged on the side wall of the cab.
Furthermore, the auxiliary brake comprises a brake block, the brake block is arranged on the rack through a telescopic mechanism, and when the telescopic mechanism extends, the auxiliary brake is used for pressing the brake block on the travelling mechanism for braking; when the telescopic mechanism is contracted, the brake block is taken away from the running mechanism to release braking.
Further, the telescopic mechanism comprises an electric hydraulic telescopic rod.
Further, the controller adopts an ARM microcontroller.
The utility model has the advantages that: by adopting the millimeter wave radar, the direction and the distance of the barrier can be accurately judged, so that the movement direction of an operator can be changed conveniently, and the collision can be avoided. The millimeter wave radars are arranged on the front, the back, the left and the right of the forklift, so that not only can obstacles on a straight line be monitored, but also corner anti-collision early warning can be conveniently performed when the forklift turns; by arranging the alarm, an alarm signal can be sent out to give an early warning when the distance between the obstacle and the forklift is monitored to be smaller than a threshold value; through setting up auxiliary brake, can be through controller braking system's brake signal after collision early warning, if the driver does not carry out effective brake, then steerable auxiliary brake is to the automatic auxiliary brake of fork truck.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic view of an installation structure of a first millimeter wave radar according to an embodiment of the present invention.
Wherein: 1. a vehicle body; 11. a drive mechanism; 2. a cab; 3. a lifting frame; 31. a pallet fork; 4. a first millimeter wave radar; 41. a second millimeter wave radar; 42. a third millimeter wave radar; 5. an audible and visual alarm; 6. a voice alarm; 7. a mounting seat; 71. a lifting rod; 8. a brake block.
Detailed Description
As shown in fig. 1, the anti-collision forklift based on the millimeter wave technology comprises a forklift body 1, a driving device arranged at the bottom of the forklift body 1, a cab 2 arranged at the top of the forklift body 1, and a lifting frame 3 arranged at the front side of the forklift body 1, wherein the driving device comprises a traveling mechanism, a driver for driving the traveling mechanism to travel and a brake system for braking the traveling mechanism, a first millimeter wave radar 4 is installed at the top of the lifting frame 3, second millimeter wave radars 41 are respectively arranged at two sides of the forklift body 1, and a third millimeter wave radar 42 is arranged at the tail of the forklift body 1; the cab 2 is provided with an alarm unit; an auxiliary brake 8 for performing auxiliary braking on the travelling mechanism is arranged at the bottom of the vehicle body 1; the first millimeter wave radar 4, the second millimeter wave radar 41, the third millimeter wave radar 42 and the brake system are respectively connected with the input end of the controller, the alarm unit and the auxiliary brake 8 are respectively connected with the output end of the controller, and the controller can adopt an ARM microcontroller.
The utility model discloses an adopt the millimeter wave radar, can accurately judge barrier direction and distance, the operating personnel of being convenient for changes the direction of motion, avoids the collision. The millimeter wave radars are arranged on the front, the back, the left and the right of the forklift, so that not only can obstacles on a straight line be monitored, but also corner anti-collision early warning can be conveniently carried out when the forklift turns; by arranging the alarm, an alarm signal can be sent out to give an early warning when the distance between the obstacle and the forklift is monitored to be smaller than a threshold value; through setting up auxiliary brake 8, can be through controller braking system's brake signal after the collision early warning, if the driver does not effectively brake, then control auxiliary brake 8 to the automatic auxiliary brake of fork truck.
As shown in fig. 2, the first millimeter wave radar 4 is fixed on the top of the crane 3 through the mounting base 7, the first millimeter wave radar 4 is installed on the mounting base 7 through the lifting rod 71, the bottom end of the lifting rod 71 is connected with the mounting base 7, and the first millimeter wave radar 4 is installed on the top end of the lifting rod 71. In the operation process, the height of the first millimeter wave radar 4 can be adjusted according to the height of the fork-transported goods and the passing limit height; not only prevent to form sheltering from first millimeter wave radar 4 when higher goods of fork fortune, still can prevent to influence current because of first millimeter wave radar 4 sets up too high when passing through limited high place.
The mounting seat 7 is a U-shaped mounting frame arranged in an inverted manner and comprises two vertical plates which are oppositely arranged to form a clamping effect and a transverse plate connected between the two vertical plates; two vertical plates of the mounting seat 7 are clamped on a cross beam at the top of the lifting frame 3, first mounting holes are formed in the two vertical plates, and second mounting holes matched with the first mounting holes are formed in the cross beam of the lifting frame 3; the bottom end of the lifting rod 71 is fixedly arranged on one side of the transverse plate far away from the vertical plate. This mount pad 7 simple structure, the installation of being convenient for, and only need on the crossbeam of crane 3 beat the mounting hole can, need not carry out too much change to the crossbeam of crane 3.
The alarm unit comprises a voice alarm 6 arranged in the cab 2 and an audible and visual alarm 5 arranged on the side wall of the cab 2. The voice alarm 6 can be used for carrying out voice alarm prompt on the driving of the vehicle, and the audible and visual alarm 5 can be used for simultaneously carrying out audible and visual prompt on the driver of the vehicle and reminding external personnel. Or different alarm thresholds can be set, and then the voice alarm 6 and the audible and visual alarm 5 are used for respectively alarming different alarm levels.
The auxiliary brake comprises a brake block 8, the brake block is arranged on a rack at the bottom of the vehicle body 1 through a telescopic mechanism, and the telescopic mechanism presses the brake block to the traveling mechanism for braking when extending; when the telescopic mechanism is contracted, the brake block is taken away from the travelling mechanism to release braking; the telescopic mechanism can adopt an electric hydraulic telescopic rod. In the actual application process, the load capacity of the forklift can be weighed by arranging the weighing sensor on the fork of the forklift, and then the automatic brake reserved distance is judged or the alarm level is determined according to the load capacity of the forklift.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (7)
1. An anti-collision forklift based on a millimeter wave technology comprises a forklift body, a driving device arranged at the bottom of the forklift body, a cab arranged at the top of the forklift body and a lifting frame arranged on the front side of the forklift body, wherein the driving device comprises a travelling mechanism, a driver used for driving the travelling mechanism to travel and a brake system used for braking the travelling mechanism; the cab is provided with an alarm unit; an auxiliary brake for performing auxiliary braking on the travelling mechanism is arranged at the bottom of the vehicle body; the first millimeter wave radar, the second millimeter wave radar, the third millimeter wave radar and the brake system are respectively connected with the input end of the controller, and the alarm unit and the auxiliary brake are respectively connected with the output end of the controller.
2. The millimeter wave technology-based anti-collision forklift according to claim 1, wherein the first millimeter wave radar is fixed to the top of the lifting frame through a mounting base, the first millimeter wave radar is mounted on the mounting base through a lifting rod, the bottom end of the lifting rod is connected with the mounting base, and the first millimeter wave radar is mounted on the top end of the lifting rod.
3. The millimeter wave technology-based anti-collision forklift truck according to claim 2, wherein the mounting seat is an inverted U-shaped mounting frame, and comprises two vertical plates which are oppositely arranged to form a clamping effect, and a transverse plate connected between the two vertical plates; two vertical plates of the mounting seat are clamped on a cross beam at the top of the lifting frame, first mounting holes corresponding to each other are formed in the two vertical plates, and second mounting holes matched with the first mounting holes are formed in the cross beam of the lifting frame; the bottom end of the lifting rod is fixedly installed on one side, away from the vertical plate, of the transverse plate.
4. The millimeter wave technology-based anti-collision forklift truck according to claim 1, wherein the alarm unit comprises a voice alarm provided in the cab and an audible and visual alarm mounted on a side wall of the cab.
5. The millimeter wave technology-based anti-collision forklift according to claim 1, wherein the auxiliary brake comprises a brake block, the brake block is mounted on the frame through a telescopic mechanism, and when the telescopic mechanism is extended, the telescopic mechanism is used for pressing the brake block against the traveling mechanism for braking; when the telescopic mechanism is contracted, the brake block is taken away from the running mechanism to release braking.
6. The millimeter wave technology-based collision-proof forklift truck of claim 5, wherein the telescoping mechanism comprises an electro-hydraulic telescoping rod.
7. The millimeter wave technology based collision avoidance forklift of claim 1, wherein the controller is an ARM microcontroller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221857280.4U CN217808605U (en) | 2022-07-19 | 2022-07-19 | Anti-collision forklift based on millimeter wave technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221857280.4U CN217808605U (en) | 2022-07-19 | 2022-07-19 | Anti-collision forklift based on millimeter wave technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217808605U true CN217808605U (en) | 2022-11-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221857280.4U Active CN217808605U (en) | 2022-07-19 | 2022-07-19 | Anti-collision forklift based on millimeter wave technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217808605U (en) |
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2022
- 2022-07-19 CN CN202221857280.4U patent/CN217808605U/en active Active
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