阅读说明：本技术 栈板位置自动识别叉车 (Pallet position automatic identification forklift ) 是由 路威 穆方波 于 2019-11-04 设计创作，主要内容包括：本发明涉及叉车技术领域,公开了一种栈板位置自动识别叉车,该栈板位置自动识别叉车包括车身及货叉组件,货叉组件包括立板以及货叉,还包括第一传感器组件；第一传感器组件位于立板背离货叉的一侧；当货叉组件相对于车身处于升起状态时,立板与车身之间形成检测间隙,第一传感器组件位于检测间隙处以用于检测栈板的位置信息；当货叉组件相对于车身处于落下状态时,立板与车身配合以封堵第一传感器组件的检测路径。这种叉车,当货叉组件处于落下状态时检测路径被封堵,避免了叉取栈板时触发第一传感器组件导致取货失败的情况发生；在判断栈板与货叉之间的相对位置的同时,也能够判断出栈板与车体之间的相对位置,提高了叉取栈板的准确性。(The invention relates to the technical field of forklifts, and discloses a pallet position automatic identification forklift which comprises a forklift body, a pallet fork assembly and a first sensor assembly, wherein the pallet fork assembly comprises a vertical plate, a pallet fork and a first sensor assembly; the first sensor assembly is positioned on one side of the vertical plate, which is far away from the pallet fork; when the fork assembly is in a lifting state relative to the vehicle body, a detection gap is formed between the vertical plate and the vehicle body, and the first sensor assembly is located at the detection gap and used for detecting the position information of the pallet; when the fork assembly is in the state of falling for the automobile body, the riser cooperates with the automobile body in order to shutoff first sensor assembly's detection route. According to the forklift, when the pallet fork assembly is in a falling state, the detection path is blocked, and the situation that goods taking fails due to the fact that the first sensor assembly is triggered when the pallet is taken by forking is avoided; when judging the relative position between pallet and the fork, also can judge the relative position between pallet and the automobile body, improved the accuracy that the pallet was got to the fork.)

1. A pallet position automatic identification forklift comprises a forklift body and a pallet fork assembly, wherein the pallet fork assembly comprises a vertical plate and a pallet fork arranged on one side of the vertical plate, and the pallet position automatic identification forklift is characterized by further comprising a first sensor assembly;

the first sensor assembly is positioned on one side, away from the fork, of the vertical plate, and the first sensor assembly can be movably mounted on the vertical plate along the vertical direction relative to the vertical plate so as to be switched between a detection state and a retraction state;

when the pallet fork assembly is in a lifting state relative to the truck body and the first sensor assembly is in a detection state, a detection gap is formed between the vertical plate and the truck body, and the first sensor assembly is located at the detection gap and used for detecting relative position information between the pallet and the forklift;

when the fork assembly is in a falling state relative to the vehicle body and the first sensor assembly is in a retracted state, the vertical plate is matched with the vehicle body to block a detection path of the first sensor assembly.

2. The pallet position automatic identification fork truck of claim 1 wherein said first sensor assembly comprises:

the guide rail is arranged on the vertical plate and the extending direction of the guide rail is the vertical direction;

a connecting plate movably mounted to the rail in an extending direction of the rail;

and the laser sensor is fixedly connected with the connecting plate.

3. The pallet position automatic identification fork lift truck of claim 2 wherein said first sensor assembly further comprises a slider;

the slider is connected with the guide rail, and the slider can slide along the extending direction of guide rail for the guide rail, the connecting plate with slider fixed connection.

4. The pallet position automatic identification fork lift truck of claim 3 wherein said connector boards comprise connector portions and retainer portions;

the connecting part is fixedly connected with the sliding block;

the fixed part is fixedly connected with the laser sensor.

5. The pallet position automatic identification fork truck of claim 3 wherein said guide track is provided with a first stop,

the first limiting part is arranged at a first end of the guide rail, and the first end is the end of the guide rail close to the vehicle body;

the first limiting piece is used for preventing the sliding block from being separated from the guide rail from the first end when the fork assembly is lifted relative to the vehicle body.

6. The pallet position automatic identification fork truck of claim 3 wherein said guide track is provided with a second stop,

the second limiting piece is arranged at a second end of the guide rail, and the second end is the end of the guide rail far away from the vehicle body;

the second limiting piece is used for preventing the sliding block from being separated from the guide rail from the second end when the fork assembly falls relative to the vehicle body.

7. The pallet position automatic identification fork lift truck of claim 2 further comprising an adapter plate;

the adapter plate is fixedly connected with the vertical plate, and the guide rail is detachably arranged on the adapter plate.

8. The pallet position automatic identification fork truck of claim 4 wherein said fixed portion is formed with a mounting slot;

the laser sensor is detachably mounted in the mounting groove.

9. The pallet position automatic identification fork truck of claim 8 wherein said mounting slot is provided with a shock absorbing plate proximate an end of said truck body.

10. The pallet position automatic identification fork lift truck of any of claims 1-9 further comprising a second sensor assembly;

the second sensor assembly is mounted to a head portion of the vehicle body, and the second sensor assembly is used to detect an obstacle around the head portion.

11. A method of picking a pallet for use with a pallet position automatic identification fork lift truck according to any of claims 1 to 10 comprising the steps of:

when detecting, the first sensor assembly detects the relative position information between the pallet and the forklift through the detection path;

during alignment, adjusting the position of the forklift according to the relative position information to align the pallet;

when the fork is taken, the detection path is blocked, the first sensor assembly is closed, and the fork is driven to move in the horizontal direction so as to take the pallet.

Technical Field

The invention relates to the technical field of forklifts, in particular to a pallet position automatic identification forklift.

Background

With the development of industrial automation and intelligence, Automatic Guided Vehicles (AGVs) are increasingly widely used in the field of logistics transportation. The AGV can be controlled by the platform control system to realize actions such as automatic driving, loading, transporting, unloading, obstacle avoidance and the like without manual intervention.

Disclosure of Invention

The invention provides a pallet position automatic identification forklift, which is characterized in that a detection path is blocked when a pallet fork assembly is in a falling state, so that the condition that goods taking fails due to the fact that a first sensor assembly is triggered when a pallet is taken by forking is avoided; in addition, first sensor subassembly sets up the one side that deviates from the fork at the riser, when judging the relative position between pallet and the fork, also can judge the relative position between pallet and the automobile body, has further improved the accuracy that the pallet was got to the fork.

In order to achieve the purpose, the invention provides the following technical scheme:

a pallet position automatic identification forklift comprises a forklift body and a pallet fork assembly, wherein the pallet fork assembly comprises a vertical plate and a pallet fork arranged on one side of the vertical plate, and further comprises a first sensor assembly; the first sensor assembly is positioned on one side, away from the fork, of the vertical plate, and can be movably installed on the vertical plate along the vertical direction relative to the vertical plate so as to be switched between a detection state and a retraction state; when the pallet fork assembly is in a lifting state relative to the truck body and the first sensor assembly is in a detection state, a detection gap is formed between the vertical plate and the truck body, and the first sensor assembly is located at the detection gap and used for detecting relative position information between the pallet and the forklift; when the fork assembly is in a falling state relative to the vehicle body and the first sensor assembly is in a retracting state, the vertical plate is matched with the vehicle body to block a detection path of the first sensor assembly.

According to the pallet position automatic identification forklift, when the forklift works, the pallet fork assembly rises to a rising state, at the moment, the first sensor assembly moves to the detection gap position relative to the vertical plate and is in a detection state, and the first sensor assembly detects the relative position information between the pallet and the forklift through the detection path, so that the position of the forklift is adjusted; after the relative position of fork and pallet has been adjusted, the fork subassembly descends to the state that falls, and riser and automobile body cooperation will detect the route shutoff this moment, and first sensor subassembly is in the state of withdrawing, then the fork moves in the horizontal direction and gets the pallet with the fork.

By the arrangement mode, when the pallet fork assembly is in a falling state, the detection path is blocked, so that the situation that goods taking fails due to the fact that the first sensor assembly is triggered when the pallet is forked is avoided; in addition, first sensor subassembly sets up the one side that deviates from the fork at the riser, when judging the relative position between pallet and the fork, also can judge the relative position between pallet and the automobile body, has further improved the accuracy that the pallet was got to the fork.

Preferably, the first sensor assembly comprises a guide rail which is arranged on the vertical plate and has a vertical extending direction; a connecting plate movably mounted on the guide rail along the extending direction of the guide rail; and the laser sensor is fixedly connected with the connecting plate.

Preferably, the first sensor assembly further comprises a slider; the slider is connected with the guide rail, and the slider can slide along the extending direction of guide rail for the guide rail, and the connecting plate is fixed connection with the slider.

Preferably, the connection plate includes a connection part and a fixing part; the connecting part is fixedly connected with the sliding block; the fixed part is fixedly connected with the laser sensor.

Preferably, the guide rail is provided with a first limiting part, the first limiting part is arranged at a first end of the guide rail, and the first end is the end of the guide rail close to the vehicle body; the first limiting part is used for preventing the sliding block from being separated from the guide rail from the first end when the fork assembly is lifted relative to the vehicle body.

Preferably, the guide rail is provided with a second limiting piece, the second limiting piece is arranged at a second end of the guide rail, and the second end is the end of the guide rail far away from the vehicle body; the second limiting piece is used for preventing the sliding block from being separated from the guide rail from the second end when the fork assembly falls relative to the vehicle body.

Preferably, the pallet position automatic identification forklift further comprises an adapter plate; the keysets and riser fixed connection, and guide rail detachably installs in the keysets.

Preferably, the fixing part is formed with a mounting groove; the laser sensor is detachably mounted in the mounting groove.

Preferably, one end of the mounting groove close to the vehicle body is provided with a damping plate.

Preferably, the pallet position automatic identification forklift further comprises a second sensor assembly; the second sensor assembly is mounted to a head portion of the vehicle body, and the second sensor assembly is used to detect an obstacle around the head portion.

A pallet forking method applied to a forklift with automatic pallet position identification comprises the following steps:

during detection, the first sensor assembly detects the relative position information between the pallet and the forklift through a detection path;

during alignment, adjusting the position of the forklift according to the relative position information to align the pallet;

when the pallet is forked, the detection path is blocked, the first sensor assembly is closed, and the pallet is driven to move in the horizontal direction to fork the pallet.

Drawings

Fig. 1 is a schematic structural diagram of a pallet position automatic identification forklift provided in an embodiment of the invention;

FIG. 2 is a schematic structural view of a fork assembly provided in accordance with an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a first sensor assembly according to an embodiment of the present invention;

FIG. 4 is an exploded view of a first sensor assembly provided by an embodiment of the present invention;

fig. 5 is a pallet forking method according to an embodiment of the present invention.

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.

Fig. 1 is a schematic structural view of a pallet position automatic identification forklift provided in an embodiment of the present invention, and fig. 2 is a schematic structural view of a pallet fork assembly provided in an embodiment of the present invention, as shown in fig. 1 and fig. 2, the pallet position automatic identification forklift provided in an embodiment of the present invention includes a body 1 and a pallet fork assembly 2, and the pallet fork assembly 2 includes a vertical plate 3, a pallet fork 4 disposed on one side of the vertical plate 3, and a first sensor assembly 5; the first sensor assembly 5 is positioned on one side of the vertical plate 3, which is far away from the fork 4, and the first sensor assembly 5 is movably mounted on the vertical plate 3 along the vertical direction relative to the vertical plate 3 so as to be switched between a detection state and a retraction state; when the pallet fork assembly 2 is in a lifting state relative to the vehicle body 1 and the first sensor assembly 5 is in a detection state, a detection gap is formed between the vertical plate 3 and the vehicle body 1, and the first sensor assembly 5 is located at the detection gap and used for detecting relative position information between the pallet and the forklift; when the fork assembly 2 is in a falling state relative to the vehicle body 1 and the first sensor assembly 5 is in a retracted state, the vertical plate 3 cooperates with the vehicle body 1 to close off the detection path 6 of the first sensor assembly 5.

In the pallet position automatic identification forklift provided by the embodiment, when the forklift works, the pallet fork assembly 2 rises to a rising state, at the moment, the first sensor assembly 5 moves to the detection gap position relative to the vertical plate 3 and is in a detection state, and the first sensor assembly 5 detects the relative position information between the pallet and the forklift through the detection path 6, so that the position of the forklift is adjusted; after the relative position of the fork 4 and the pallet is adjusted, the fork assembly 2 is lowered to a falling state, the vertical plate 3 and the vehicle body 1 are matched to block the detection path 6, the first sensor assembly 5 is in a withdrawing state, and then the fork 4 moves in the horizontal direction to fork the pallet.

In such an arrangement, the detection path 6 is blocked when the pallet fork assembly 2 is in a falling state, thereby avoiding the occurrence of failure in goods taking caused by triggering the first sensor assembly 5 when the pallet is forked; in addition, first sensor assembly 5 sets up the one side that deviates from fork 4 at riser 3, when judging the relative position between pallet and the fork 4, also can judge the relative position between pallet and the automobile body, has further improved the accuracy that the pallet was got to the fork.

Fig. 3 is a schematic structural diagram of a first sensor assembly provided in an embodiment of the present invention, and fig. 4 is an exploded view of the first sensor assembly provided in an embodiment of the present invention, as shown in fig. 3 and 4, preferably, the first sensor assembly 5 includes a guide rail 7 disposed on the vertical plate 3 and extending in a vertical direction; a connecting plate 8 movably attached to the rail 7 in the extending direction of the rail 7; and the laser sensor 9 is fixedly connected with the connecting plate 8.

The first sensor assembly 5 further comprises a slider 10; the slider 10 is connected with the guide rail 7, the slider 10 can slide relative to the guide rail 7 along the extending direction of the guide rail 7, and the connecting plate 8 is fixedly connected with the slider 10.

The connecting plate 8 comprises a connecting part 11 and a fixing part 12; the connecting part 11 is fixedly connected with the slide block 10; the fixing portion 12 is fixedly connected to the laser sensor 9.

A first limiting piece 13 is arranged on the guide rail 7, the first limiting piece 13 is arranged at a first end of the guide rail 7, and the first end is the end of the guide rail 7 close to the vehicle body 1; the first stopper 13 is used to prevent the slider 10 from being disengaged from the guide rail 7 from the first end when the fork assembly 2 is raised relative to the vehicle body 1.

A second limiting piece 14 is arranged on the guide rail 7, the second limiting piece 14 is arranged at a second end of the guide rail 7, and the second end is the end of the guide rail 7 far away from the vehicle body 1; the second stopper 14 is used to prevent the slider 10 from being disengaged from the guide rail 7 from the second end when the fork assembly 2 is dropped relative to the vehicle body 1.

The laser sensor 9 may be a TIM320 type sensor. The working principle is as follows: the laser sensor 9 emits a horizontal plane laser beam along the detection path 6, after the position of the pallet is detected, the laser beam is reflected to the receiving area of the laser sensor 9, then the angle and the distance of the pallet relative to the pallet fork assembly 2 are measured, then the position of the pallet fork assembly 2 is adjusted by adjusting the left driving wheel and the right driving wheel of the pallet fork assembly 2 through the control system, the center line of the pallet fork assembly 2 is known to be coincident with the center line of the pallet, and then the alignment is finished.

In this embodiment, when the fork assembly 2 is lifted, the guide rail 7 is lifted along with the vertical plate 3, the slider 10 and the connecting plate 8 fall along the extending direction of the guide rail 7 due to self gravity, when the fork assembly 2 is in a lifted state, the fixing part 12 and the laser sensor 9 are located at the detection gap, and at this time, the laser sensor 9 detects the relative position information between the pallet and the forklift through the detection path 6, so as to adjust the position of the forklift; after the relative position of the fork 4 and the pallet is adjusted, the fork assembly 2 falls to a falling state, the vertical plate 3 also falls at the moment, the connecting plate 8 and the laser sensor 9 rise to the vertical plate 3 along the extending direction of the guide rail 7 under the supporting force of the vehicle body 1 to block the detection path 6 of the laser sensor 9, the laser sensor 9 is in a withdrawing state, and then the fork 4 moves in the horizontal direction to fork the pallet.

The arrangement mode is simple in structure and convenient to operate, the first limiting part 13 and the second limiting part 14 are arranged to prevent the sliding block 10 from being separated from the guide rail 7, and the accuracy and the safety of work are guaranteed.

As shown in fig. 3 and 4, the pallet position automatic identification fork truck preferably further comprises an adapter plate 15; the adapter plate 15 is fixedly connected with the vertical plate 3, and the guide rail 7 is detachably mounted on the adapter plate 15.

Wherein, all can be provided with the screw hole on guide rail 7 and the keysets 15, guide rail 7 passes through the bolt detachable connection with keysets 15.

In this embodiment, guide rail 7 and adapter plate 15 can dismantle the setting of being connected, and when guide rail 7 live time overlength, the separation is dismantled with guide rail 7 and adapter plate 15 to the convenience, the maintenance and the change of the guide rail 7 of being convenient for.

As shown in fig. 3 and 4, preferably, the fixing portion 12 is formed with a mounting groove 16; the laser sensor 9 is detachably mounted to the mounting groove 16.

The mounting groove 16 is provided with a damper plate 17 at an end thereof adjacent to the vehicle body 1.

In this embodiment, the laser sensor 9 and the mounting groove 16 are detachably connected, so that the laser sensor 9 can be conveniently detached and replaced; in addition, when the fork assembly 2 falls, the shock absorption plate 17 can effectively relieve the collision between the laser sensor 9 in the installation groove 16 and the vehicle body 1, and further protect the laser sensor 9.

Preferably, the pallet position automatic identification forklift further comprises a second sensor assembly; the second sensor assembly is mounted to the head portion of the vehicle body 1, and the second sensor assembly is used to detect an obstacle around the head portion.

In this embodiment, second sensor subassembly detectable locomotive bow portion is the obstacle on every side, prevents that fork truck from touching the obstacle in the course of the work locomotive bow portion one side and leading to the accident, has further improved the rate of accuracy and the security of forking.

Fig. 5 is a pallet forking method provided by an embodiment of the present invention, and as shown in fig. 5, the embodiment of the present invention further provides a pallet forking method applied to a pallet position automatic identification forklift, which includes the following steps:

step S101, during detection, the first sensor assembly 5 detects the relative position information between the pallet and the forklift through the detection path 6;

step S102, during alignment, adjusting the position of the forklift according to the relative position information to align the pallet;

in step S103, during forking, the detection path 6 is blocked, the first sensor assembly 5 is turned off, and the fork 4 is driven to move in the horizontal direction to fork the pallet.

In this embodiment, the technical effect brought by the method for forking the pallet is the same as the technical effect brought by the pallet position automatic identification forklift, and is not repeated.

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