CN214003960U

CN214003960U - Forklift truck

Info

Publication number: CN214003960U
Application number: CN202022322592.2U
Authority: CN
Inventors: 王庆良
Original assignee: Weichai Power Co Ltd
Current assignee: Weichai Power Co Ltd
Priority date: 2020-10-16
Filing date: 2020-10-16
Publication date: 2021-08-20
Anticipated expiration: 2030-10-16

Abstract

The utility model relates to a haulage vehicle field discloses a fork truck, include: the device comprises a pallet fork, a detection piece and an elastic trigger piece; the detection part and the elastic trigger part are both arranged on the fork, the elastic trigger part is connected with the detection part, and the elastic trigger part extends out of the front end of the fork and is used for generating elastic deformation when contacting with an obstacle; the detection piece is used for detecting the deformation amount of the elastic trigger piece so as to judge the distance between the fork and the obstacle. The distance between the forklift and the front object is judged according to the deformation amount of the elastic trigger when the forklift moves forward, the constraint of personal experience of a forklift driver is avoided, the distance between the forklift and the front object is judged without assistance of other people, and the independent operation is guaranteed.

Description

Forklift truck

Technical Field

The utility model relates to a haulage vehicle technical field, in particular to fork truck.

Background

Fork truck is when loading the operation, and the driver's sight can be sheltered from to the material of place ahead fork pile up neatly, leads to the driver to have the potential safety hazard in the accurate not enough when judging the interval of transporting material and place ahead barrier, touches the place ahead goods easily. Especially use fork truck when transporting goods in storage storehouse, high-order goods district's etc. narrow and small regions in space, need the accurate safe interval who judges fork front end and barrier around, prevent to appear touching and lead to the accident to take place. Old-fashioned fork either needs many people collaborative work when using, or relies on driver's experience to carry out the distance judgement completely, because the driver is especially obvious in this kind of condition in the below when lifting and placing the goods, has the potential safety hazard.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a fork truck for the safe interval of accurate judgement fork front end and barrier on every side.

In order to achieve the above purpose, the utility model provides the following technical scheme:

a forklift, comprising: the device comprises a pallet fork, a detection piece and an elastic trigger piece;

the detection piece and the elastic trigger piece are both arranged on the fork, the elastic trigger piece is connected with the detection piece, and the elastic trigger piece extends out of the front end of the fork and is used for generating elastic deformation when contacting with an obstacle; the detection piece is used for detecting the deformation amount of the elastic trigger piece so as to judge the distance between the fork and the obstacle.

Above-mentioned fork truck sets up elastic trigger spare and detection piece on the fork, and when fork truck visited the elastic trigger spare of fork front end earlier and touched the barrier at the in-process that traveles, elastic trigger spare takes place elastic deformation under the effect of fork truck and barrier, and the deformation volume of detection piece detection elastic trigger spare to judge the distance between fork and the barrier according to the size of this deformation volume. The distance between the forklift and the front object is judged according to the deformation amount of the elastic trigger when the forklift moves forward, the constraint of personal experience of a forklift driver is avoided, the distance between the forklift and the front object is judged without assistance of other people, and the independent operation is guaranteed.

Optionally, the elastic trigger member includes a first elastic member and a trigger structure, and the trigger structure protrudes out of the front end of the fork;

the detection piece is used for acquiring the deformation quantity of the first elastic piece.

Optionally, the first elastic member is a spring.

Optionally, the trigger structure is a rod-like structure.

Optionally, the elastic trigger includes a second elastic member, and the detecting member is configured to acquire a deformation amount of the second elastic member.

Optionally, the second elastic member is made of rubber.

Optionally, the detecting member includes a strain gauge for detecting a deformation amount of the second elastic member.

Optionally, the elastic trigger is a telescopic rod.

Optionally, the resilient trigger extends out of the fork by a distance in the range of 20cm to 30 cm.

Optionally, the forklift further comprises an alarm device, wherein the alarm device is in signal connection with the detection piece and is used for giving an alarm when the detection piece detects that the distance between the pallet fork and the obstacle is smaller than a preset range.

Drawings

Fig. 1 is a schematic structural diagram of a forklift truck according to an embodiment of the present invention;

FIG. 2 is a schematic view of the structure of the resilient trigger of FIG. 1;

fig. 3 is a schematic structural diagram of another forklift truck according to an embodiment of the present invention;

fig. 4 is a schematic structural view of another forklift truck according to an embodiment of the present invention undergoing elastic deformation;

fig. 5 is a schematic diagram of a forklift provided by an embodiment of the present invention.

Icon: 1-a pallet fork; 2-a detection member; 3-an elastic trigger; 4-an alarm device; 31-a first elastic member; 32-a trigger structure; 33-second elastic element.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 to 5, an embodiment of the present invention provides a forklift, including: the device comprises a pallet fork 1, a detection piece 2 and an elastic trigger piece 3;

the detection piece 2 and the elastic trigger piece 3 are both arranged on the pallet fork 1, the elastic trigger piece 3 is connected with the detection piece 2, and the elastic trigger piece 3 extends out of the front end of the pallet fork 1 and is used for generating elastic deformation when contacting with an obstacle; the detecting member 2 is used for detecting the deformation amount of the elastic triggering member 3 to judge the distance between the fork 1 and an obstacle.

Above-mentioned fork truck sets up elastic trigger spare 3 and detection piece 2 on fork 1, and when fork truck visited elastic trigger spare 3 of 1 front end of fork earlier and touched the barrier at the in-process that traveles, elastic trigger spare 3 takes place elastic deformation under the effect of fork truck and barrier, and detection piece 2 detects the deformation volume of elastic trigger spare 3 to judge the distance between fork 1 and the barrier according to the size of this deformation volume. The distance between the forklift and the front object is judged according to the deformation quantity of the elastic trigger 3 when the forklift moves forward, the constraint of personal experience of a forklift driver is avoided, the distance between the forklift and the front object of the pallet fork 1 is not required to be judged by others in an auxiliary mode, and the safety is guaranteed during independent operation.

Optionally, the elastic trigger member 3 comprises a first elastic member 31 and a trigger structure 32, and the trigger structure 32 protrudes out of the front end of the fork 1;

the detecting member 2 is used for acquiring the deformation amount of the first elastic member 31.

In a possible implementation manner, as shown in fig. 1 and 2, a mounting groove is formed in the front portion of the fork 1, the mounting groove opens toward the front end of the fork 1, the first elastic member 31 and the triggering structure 32 are mounted in the mounting groove, and the triggering structure 32 protrudes out of the front end of the fork 1. The forklift stretches out the trigger structure 32 at the front end of the fork 1 to touch the obstacle firstly in the running process, the forklift continues running, the obstacle pushes the trigger structure 32 towards the forklift, the trigger structure 32 extrudes the first elastic piece 31, the first elastic piece 31 generates elastic deformation, the detection piece 2 detects the deformation amount of the first elastic piece 31, and the distance between the fork 1 and the obstacle is judged according to the deformation amount. The detecting member 2 may be specifically, but not limited to, a distance sensor.

Optionally, the first elastic member 31 is a spring. One end of the spring is connected with the inner wall of the mounting groove, and the other end of the spring is connected with the triggering structure 32.

Optionally, in this manner, the trigger structure 32 is a rod-like structure. The trigger structure 32 may be embodied as a trigger lever.

Optionally, the elastic triggering member 3 comprises a second elastic member 33, and the detecting member 2 is used for acquiring the deformation amount of the second elastic member 33.

In another possible implementation manner, as shown in fig. 3 and 4, a mounting groove is formed in the front portion of the fork 1, the mounting groove opens toward the front end of the fork 1, the second elastic member 33 is mounted in the mounting groove, and the second elastic member 33 protrudes out of the front end of the fork 1. The second elastic part 33 of the forklift, which stretches out of the front end of the fork 1 in the running process, touches the obstacle first, the forklift continues to run, the obstacle pushes the second elastic part 33 towards the forklift, the second elastic part 33 elastically deforms, the detection part 2 detects the deformation amount of the second elastic part 33, and the distance between the fork 1 and the obstacle is judged according to the deformation amount.

In this embodiment, the second elastic member 33 may be made of rubber.

In this embodiment, the detecting member 2 may optionally include a strain gauge, and the strain gauge is installed in the second elastic member 33 and is used for detecting the deformation amount of the second elastic member 33.

Optionally, the elastic trigger 3 is a telescopic rod.

In the present embodiment, when the forklift steers, the second elastic member 33 is deformed when touching the obstacle, and the second elastic member 33 is bent by the obstacle, as shown in fig. 4. The strain gauge inside the second elastic part 33 which deforms starts, and the strain gauge judges the distance between the forklift fork 1 and the obstacle according to the deformation amount, so that whether the steering requirement of the forklift is met or not is met.

Alternatively, in the above two embodiments, the distance from the elastic trigger 3 to the fork 1 is in the range of 20cm to 30cm, and specifically may be 20cm, 21cm, 22cm, 23cm, 24cm, 25cm, 26cm, 27cm, 28cm, 29cm, or 30 cm.

Optionally, in the two embodiments, as shown in fig. 5, the forklift further comprises a warning device 4, and the warning device 4 is in signal connection with the detecting member 2 and is used for giving an alarm when the detecting member 2 detects that the distance between the pallet fork 1 and the obstacle is smaller than the preset range.

It should be noted that, elastic trigger 3 and detection piece 2 have been installed additional on fork 1, detection piece 2 judges the interval of fork 1 and the place ahead barrier according to the elastic deformation degree of elastic trigger 3 when fork truck gos forward, detection piece 2 judges the interval of fork 1 front end and barrier all around according to the elastic deformation degree of elastic trigger 3 when fork truck turns to, when the interval of fork 1 front end and barrier is less than preset scope, alarm device 4 reports to the police, can cut off the fork truck power when the compression distance of elastic trigger 3 or bending deformation degree is serious and guarantee driving safety. The alarm device 4 may be embodied as an audible alarm.

It will be apparent to those skilled in the art that various changes and modifications may be made to the embodiments of the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A forklift, comprising: the device comprises a pallet fork, a detection piece and an elastic trigger piece;

2. The lift truck of claim 1, wherein said resilient trigger comprises a first resilient member and a trigger structure, said trigger structure protruding out of said fork front end;

3. The lift truck of claim 2, wherein said first resilient member is a spring.

4. The lift truck of claim 2, wherein the trigger structure is a rod-like structure.

5. The lift truck of claim 1, wherein said resilient trigger comprises a second resilient member, said detector being adapted to detect the amount of deformation of said second resilient member.

6. The lift truck of claim 5, wherein the second resilient member is rubber.

7. The lift truck of claim 5, wherein said sensing member includes a strain gauge for sensing an amount of deformation of said second resilient member.

8. The lift truck of claim 1, wherein the resilient trigger is a telescoping rod.

9. The lift truck of claim 1, wherein said resilient trigger extends out of said forks a distance in the range of 20cm to 30 cm.

10. The lift truck of claim 1, further comprising an alarm device in signal communication with said detection member for sounding an alarm when said detection member detects that the distance between said forks and said obstacle is less than a preset range.