Acousto-optic early warning device of electric forklift

Abstract

The utility model relates to the technical field of cigarette aroma raw material processing, and discloses an acousto-optic early warning device of an electric forklift, which comprises a forklift body and a frame fixed at the top of the forklift body, and is characterized in that a mounting component is arranged on the frame and comprises a first connecting plate, a second connecting plate and a connecting pipe, one end of the first connecting plate is installed on the side wall of the frame and is adjustable in vertical position, the other end of the first connecting plate is connected with the second connecting plate, one end of the connecting pipe is rotationally connected with the second connecting plate, a boundary lamp is installed at the other end of the connecting pipe, and a locking assembly used for locking the relative position of the connecting pipe and the second connecting plate is arranged between the connecting pipe and the second connecting plate. The warning device has the effects that a driver is reminded to drive in a specified channel marking line, and production safety accidents are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of cigarette production equipment, in particular to an acoustic and optical early warning device for an electric forklift. Background Art

[0002] Electric forklifts are mainly used for loading, unloading and transporting tobacco leaves or tobacco stems in cigarette production enterprises. Since there is a certain distance between the storage location of batch materials and the production equipment, forklifts are needed to shuttle back and forth between the feeding site and the production equipment for repeated feeding. There are people feeding at the feeding site at fixed times every day, which leads to the problem of cross-operation between vehicles and personnel, posing certain safety hazards.

[0003] To solve the above problems, the prior art usually adopts the method of installing an audible and visual alarm device on an electric forklift. The installation of the audible and visual alarm lights on the existing forklifts is relatively fixed, which means that the area around the vehicle body where the alarm lights sound an alarm is fixed. However, when transporting relatively large volumes of goods, the alarm area of ​​the alarm lights needs to be increased, which is difficult to achieve with current alarm lights. Utility Model Content

[0004] In view of this, the purpose of the utility model is to provide an electric forklift sound and light warning device to solve the problem that the installation of the sound and light alarm lights on the existing forklifts is relatively fixed, which means that the area around the vehicle body where the alarm lights sound an alarm is fixed. However, when transporting relatively large volumes of goods, the alarm area of ​​the alarm lights needs to be increased, which is difficult to achieve with current alarm lights.

[0005] The utility model solves the above technical problems through the following technical means:

[0006] A sound and light warning device for an electric forklift, comprising a forklift body and a frame fixed on the top of the forklift body, wherein the frame is provided with a mounting assembly, wherein the mounting assembly comprises a first connecting plate, a second connecting plate and a connecting pipe, wherein one end of the first connecting plate is mounted on a side wall of the frame and can be adjusted up and down, and the other end is connected to the second connecting plate, one end of the connecting pipe is rotatably connected to the second connecting plate, and the other end is provided with a boundary light, and a locking assembly for locking the relative position of the connecting pipe and the second connecting plate is provided between the connecting pipe and the second connecting plate.

[0007] Furthermore, a fixing piece is provided between the first connecting plate and the frame, and a long strip groove is provided on the first connecting plate in the vertical direction for the fixing piece to pass through, and the fixing piece passes through the long strip groove and is fixedly connected to the side wall of the frame.

[0008] Furthermore, the cross-section of the second connecting plate is U-shaped, and the second connecting plate is fixedly connected to the first connecting plate with its opening facing away from the first connecting plate. One end of the connecting tube is inserted into the opening of the second connecting plate and is rotatably connected to the second connecting plate. The locking assembly includes a first locking assembly and a second locking assembly that are axially spaced apart along the connecting tube.

[0009] Further, the first locking assembly includes a locking bolt and a first locking nut, the second locking assembly includes a locking screw and a second locking nut, the middle parts of the two wing plates of the second connecting plate are symmetrically provided with connecting holes for the locking bolt to pass through, the two wing plates of the second connecting plate are symmetrically provided with arc grooves for the locking screw to pass through and the fixing position of the locking screw is adjustable near the edges, the connecting pipe is radially penetrated by a first through hole for the locking bolt to pass through and a second through hole for the locking screw to pass through, one end of the locking bolt passes through the connecting hole and the first through hole in turn, and then cooperates with the first locking nut, the locking screw passes through the arc groove and the second through hole in turn, and the two ends of the locking screw respectively cooperate with the second locking nut.

[0010] Furthermore, the first locking nut is a large and small head structure, the outer wall of the small head end of the first locking nut is provided with an external thread, the connecting hole on the wing plate of the second connecting plate close to the first locking nut is a threaded hole, the small head end of the first locking nut is threadedly connected to the threaded hole and passes through the threaded hole to abut against the surface of the connecting pipe.

[0011] Furthermore, a gasket is provided between the wing plate of the second connecting plate away from the first locking nut and the connecting pipe.

[0012] Furthermore, a reversing radar is provided at the rear end of the forklift body.

[0013] Furthermore, a spotlight is arranged on the vehicle frame.

[0014] Furthermore, a speaker is arranged on the vehicle frame.

[0015] The beneficial effects of the utility model are as follows: when in use, the electric forklift sound and light warning device uses a boundary light to illuminate the periphery of the forklift body, forming a light beam surrounding the forklift, thereby warning other personnel; the illumination angle of the boundary light can be adjusted by adjusting the locking assembly, thereby changing the range of the light beam, thereby achieving the effect of changing the size of the warning area; and the maximum / minimum illumination range of the boundary light can be adjusted by adjusting the vertical height of the first connecting plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of an electric forklift sound and light warning device of the utility model;

[0017] Figure 2 yes Figure 1A schematic diagram of the enlarged structure at A in the middle;

[0018] Figure 3 It is a structural schematic diagram of the installation components in the utility model;

[0019] Figure 4 It is a cross-sectional view of the installation assembly in the utility model.

[0020] in,

[0021] 1. Forklift body; 2. Frame; 3. Boundary light; 4. Reversing radar; 5. Spotlight; 6. Speaker; 7. Main unit box; 8. Aviation wiring harness; 9. Support plate; 10. Fixing piece; 11. First connecting plate; 12. Second connecting plate; 13. Connecting pipe; 14. Long strip groove; 15. Arc groove; 16. Locking bolt; 17. First locking nut; 18. Locking screw; 19. Second locking nut; 20. Washer; 21. Mounting sheet. DETAILED DESCRIPTION

[0022] The following describes the implementation of the present invention through specific embodiments. Those skilled in the art can understand the advantages and effects of the present invention from the contents disclosed in this specification. It should be noted that the illustrations provided in the following embodiments are only for exemplary descriptions, and they are only schematic diagrams, not physical diagrams, and cannot be understood as limitations on the present invention. In order to better illustrate the embodiments of the present invention, some parts in the figures may be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the figures may be omitted.

[0023] The same or similar numbers in the figures of the embodiments of the present invention correspond to the same or similar parts. In the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "front", "back", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the figures, they are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the terms describing the positional relationship in the figures are only used for illustrative purposes and cannot be understood as limitations on the present invention. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0024] like Figure 1-4As shown, the utility model is an electric forklift sound and light warning device, including a forklift body 1 and a frame 2 welded and fixed to the top of the forklift body 1, a mounting assembly is arranged on the frame 2, the mounting assembly is used to install a boundary light 3, the mounting assembly includes a first connecting plate 11, a second connecting plate 12 and a connecting pipe 13, one end of the first connecting plate 11 is mounted on the side wall of the frame 2 and the upper and lower positions are adjustable, and the other end is connected to the second connecting plate 12, one end of the connecting pipe 13 is rotatably connected to the second connecting plate 12, and the other end is detachably fixedly installed with the boundary light 3, and a locking assembly for locking the relative position of the connecting pipe 13 and the second connecting plate 12 is arranged between the connecting pipe 13 and the second connecting plate 12.

[0025] In this embodiment, mounting components are respectively arranged on the left, right and rear directions of the top of the frame 2, and a boundary light 3 is installed on each mounting component, wherein the left and right directions are linear warning boundary lights 3, and the rear is a linear warning boundary light 3 or a U-shaped boundary light 3, so that the lights of the three boundary lights 3 surround the forklift body 1 and shine on the ground, forming an early warning.

[0026] A fixing part 10 is arranged between the first connecting plate 11 and the frame 2. A long strip groove 14 is arranged on the first connecting plate 11 in the vertical direction for the fixing part 10 to pass through. The fixing part 10 passes through the long strip groove 14 and is fixedly connected to the side wall of the frame 2. In this embodiment, three support plates 9 are fixedly arranged on the side wall of the frame 2 at the positions of the three mounting components, and two fixing parts 10 are arranged at intervals in the vertical direction. The fixing part 10 includes a screw and a nut. The two screws are respectively fixed on the side wall of the frame 2 and the surface of the support plate 9. The screw passes through the long strip groove 14 and cooperates with the nut to lock and fix the first connecting plate 11 and the side wall of the frame 2.

[0027] The cross-section of the second connecting plate 12 is U-shaped, and the second connecting plate 12 is fixedly connected to the first connecting plate 11 with its opening facing away from the first connecting plate 11. One end of the connecting tube 13 is inserted into the opening of the second connecting plate 12 and is rotatably connected to the second connecting plate 12, and the other end of the connecting tube 13 extends out of the second connecting plate 12 to form a suspended end. In this embodiment, the first connecting plate 11 is L-shaped, and the vertical section of the first connecting plate 11 is attached to the side wall of the frame 2 and is provided with a long strip groove 14. The horizontal section of the first connecting plate 11 extends away from the frame 2 to form a suspended end, and the web of the second connecting plate 12 is fixedly connected to the end of the horizontal section of the first connecting plate 11.

[0028] In fact, the locking assembly can be a bolt. A threaded hole is opened on the wing plate of the second connecting plate 12. The bolt passes through the threaded hole and the two are threadedly matched. One end of the connecting pipe 13 is fixed on the bolt. By turning the bolt, the angle of the connecting pipe 13 can be adjusted. In this embodiment, the locking assembly includes a first locking assembly and a second locking assembly arranged at intervals along the axial direction of the connecting pipe 13. The first locking assembly includes a locking bolt 16 and a first locking nut 17. The second locking assembly includes a locking screw 18 and a second locking nut 19. The middle part of the two wing plates of the second connecting plate 12 is symmetrically provided with connecting holes for the locking bolt 16 to pass through. The two wing plates are symmetrically provided with arc grooves 15 near the edges for the locking screws 18 to pass through and the fixing position of the locking screws 18 is adjustable. The connecting tube 13 is radially penetrated with a first through hole for the locking bolts 16 to pass through and a second through hole for the locking screws 18 to pass through. After one end of the locking bolt 16 passes through the connecting hole and the first through hole in turn, it cooperates with the first locking nut 17 to lock and fix the second connecting plate 12 and the connecting tube 13. The locking screw 18 passes through the arc groove 15 and the second through hole in turn, and the two ends of the locking screw 18 cooperate with the second locking nuts 19 respectively to lock and fix the second connecting plate 12 and the connecting tube 13. Through the cooperation of the locking bolt 16 and the first locking nut 17, not only can the rotation of the connecting pipe 13 be realized, but also the connecting pipe 13 can be positioned and locked. Through the cooperation of the locking screw 18, the second locking nut 19 and the arc groove 15, the rotation of the connecting pipe 13 can be guided and the position after rotation can be locked. With this structural design, the connecting pipe 13 is securely connected, easy to install, easy to maintain and replace, and easy to rotate and adjust.

[0029] The first locking nut 17 is a large and small head structure, and the outer wall of the small head end of the first locking nut 17 is provided with an external thread. The connection hole on the wing plate of the second connecting plate 12 close to the first locking nut 17 is a threaded hole. The small head end of the first locking nut 17 is threadedly connected to the threaded hole and passes through the threaded hole to abut against the surface of the connecting pipe 13. By tightening or loosening the first locking nut 17, the connecting pipe 13 can be positioned and locked. A gasket 20 is provided between the wing plate of the second connecting plate 12 away from the first locking nut 17 and the connecting pipe 13. The gasket 20 is fixedly connected to the wing plate of the second connecting plate 12. If the method of gluing is adopted, the gasket 20 can make the first locking nut 17 be screwed a short distance to clamp and fix the connecting pipe 13, which is convenient for locking.

[0030] In the above embodiment, the arc groove 15 is a 1 / 4 segment arc groove 15, and is located on the side of the wing plate of the second connecting plate 12 away from the web. The center of the arc groove 15 coincides with the center of the connecting hole, so that the axis of the connecting pipe 13 is just perpendicular or parallel to the web of the second connecting plate 12 when the maximum adjustment range is reached. By tightening the first locking nut 17, the small end of the first locking nut 17 contacts the surface of the connecting pipe 13, and the first locking nut 17, the gasket 20 and the wing plate of the second connecting plate 12 cooperate to clamp and position the connecting pipe 13. By tightening the second locking nut 19, the second connecting plate 12 will no longer slide along the arc groove 15 after the position is adjusted. By loosening the first locking nut 17 and the second locking nut 19 at the same time, the connecting pipe 13 is rotated around the locking bolt 16 to a suitable angle. At this time, the locking screw 18 moves a corresponding distance in the arc groove 15, and then the first locking nut 17 and the second locking nut 19 are tightened, so that the angle of the connecting pipe 13 can be adjusted. It is worth noting that the connecting pipe 13 does not contact the web of the second connecting plate 12 , so that the connecting pipe 13 will not interfere with the web of the second connecting plate 12 when rotating around the locking bolt 16 .

[0031] In the above embodiment, the suspended end of the connecting tube 13 is symmetrically integrally formed with a mounting plate 21 along the left and right sides of the connecting tube 13, and a mounting hole is provided on the mounting plate 21. The boundary light 3 is detachably fixed to the mounting plate 21 by bolts. When the boundary light 3 needs to be inspected and maintained, the bolts can be unscrewed to remove the boundary light 3 for inspection and maintenance.

[0032] A reversing radar 4 is arranged at the rear end of the forklift body 1, and a spotlight and a speaker 6 are arranged on the frame 2. In this embodiment, on the basis of not changing the original structure of the electric forklift, a reversing radar 4 is respectively installed on the left and right sides of the rear of the electric forklift body, and a spotlight 5 is installed in front of the upper end of the frame 2 to achieve long-range warning of lights when reversing / driving, and to warn pedestrians and other vehicles, especially in the blind spots of turning corners of indoor and production site passages; boundary lights 3 are respectively installed in the rear, left and right directions of the top of the frame 2 to form a projection warning area, so that when reversing / driving, the lights warn at the boundary of the safe area around the vehicle body, reminding the driver to drive within the specified channel markings, and pedestrians should pay attention to avoid standing outside the line to ensure personal safety.

[0033] In this embodiment, a main box 7 is further provided at the rear end of the top of the frame 2, and the original battery of the electric forklift is used to provide power for the reversing radar 4 and the sound and light alarm device. The special aviation harness 8 is used to connect the fuse board outside the electric forklift battery. When the vehicle is started, the device is powered on and activated; the reversing radar 4 is installed at an angle of 70 degrees at the rear of the vehicle body to form a left and right flat fan-shaped detection range; a blue spotlight 5 is installed in front of the top of the frame 2, and warning boundary lights 3 are installed in the left, right and rear directions respectively. The light illuminates the ground, and the projection warning line on the ground can be adjusted by adjusting the locking assembly. The straight-line distance from the vehicle body is generally about 1.3-1.5 meters, and it can also be adjusted according to actual needs. At the same time, a gourd-shaped speaker 6 is installed on the top of the frame 2. To provide artificial voice broadcast of the distance or to issue a phoenix-ming prompt sound according to the distance; the reversing radar 4, the boundary warning light, the gourd-shaped speaker 6, and the main box 7 are respectively connected with the aviation wiring harness 8 to form an integrated detection and warning device; without changing the original structure of the electric forklift, a radar detection and sound and light alarm device is installed to detect whether there are obstacles or personnel during the vehicle's driving process, especially during the reversing process. When the radar detects that the distance of the obstacle or personnel exceeds the safe range set by the device, the detection radar converts the voltage signal into an sound and light signal, so that the warning boundary light 3 flashes continuously and the voice prompt sounds continuously, so as to remind the vehicle holding driver and other staff to actively avoid it and avoid the occurrence of production safety accidents.

[0034] The above embodiments are only used to illustrate the technical solution of the utility model and are not intended to limit it. Although the utility model is described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model. The technology, shape, and structure that are not described in detail in the utility model are all well-known technologies.

Claims

1. An electric forklift sound and light warning device, comprising a forklift body and a frame fixed on the top of the forklift body, characterized in that: The frame is provided with an installation component, which includes a first connecting plate, a second connecting plate and a connecting pipe. One end of the first connecting plate is installed on the side wall of the frame and can be adjusted up and down, and the other end is connected to the second connecting plate. One end of the connecting pipe is rotatably connected to the second connecting plate, and the other end is equipped with a boundary light. A locking component for locking the relative position of the connecting pipe and the second connecting plate is provided between the connecting pipe and the second connecting plate.

2. The electric forklift sound and light warning device according to claim 1, characterized in that: A fixing piece is arranged between the first connecting plate and the frame. The first connecting plate is provided with a long strip groove in the vertical direction for the fixing piece to pass through. The fixing piece passes through the long strip groove and is fixedly connected to the side wall of the frame.

3. The electric forklift sound and light warning device according to claim 1, characterized in that: The cross-section of the second connecting plate is U-shaped, and the second connecting plate is fixedly connected to the first connecting plate with its opening facing away from the first connecting plate. One end of the connecting tube is inserted into the opening of the second connecting plate and is rotatably connected to the second connecting plate. The locking assembly includes a first locking assembly and a second locking assembly that are axially spaced apart along the connecting tube.

4. The electric forklift sound and light warning device according to claim 3, characterized in that: The first locking assembly includes a locking bolt and a first locking nut, the second locking assembly includes a locking screw and a second locking nut, the middle parts of the two wing plates of the second connecting plate are symmetrically provided with connecting holes for the locking bolt to pass through, the two wing plates of the second connecting plate are symmetrically provided with arc grooves for the locking screw to pass through near the edges, and the fixing position of the locking screw is adjustable, the connecting pipe is radially penetrated by a first through hole for the locking bolt to pass through and a second through hole for the locking screw to pass through, one end of the locking bolt passes through the connecting hole and the first through hole in turn, and then cooperates with the first locking nut, the locking screw passes through the arc groove and the second through hole in turn, and the two ends of the locking screw respectively cooperate with the second locking nut.

5. The electric forklift sound and light warning device according to claim 4, characterized in that: The first locking nut is a large and small head structure, the outer wall of the small head end of the first locking nut is provided with an external thread, the connecting hole on the wing plate of the second connecting plate close to the first locking nut is a threaded hole, the small head end of the first locking nut is threadedly connected to the threaded hole and passes through the threaded hole to abut against the surface of the connecting pipe.

6. The electric forklift sound and light warning device according to claim 5, characterized in that: A gasket is arranged between the wing plate of the second connecting plate away from the first locking nut and the connecting pipe.

7. The electric forklift sound and light warning device according to claim 1, characterized in that: A reversing radar is arranged at the rear end of the forklift body.

8. The electric forklift sound and light warning device according to claim 1, characterized in that: A spotlight is arranged on the frame.

9. The electric forklift sound and light warning device according to claim 1, characterized in that: A horn is arranged on the frame.

Images