CN215402893U

CN215402893U - Forklift truck

Info

Publication number: CN215402893U
Application number: CN202120589317.9U
Authority: CN
Inventors: 李陆洋; 方牧; 杨建辉; 李扬添
Original assignee: Visionnav Robotics Shenzhen Co Ltd
Current assignee: Visionnav Robotics Shenzhen Co Ltd
Priority date: 2021-03-23
Filing date: 2021-03-23
Publication date: 2022-01-04
Anticipated expiration: 2031-03-23

Abstract

The utility model discloses a forklift, which comprises a forklift body, a pallet fork assembly and a control assembly, wherein the forklift body is provided with a portal; the fork assembly comprises a mounting frame, a first fork arm and a second fork arm, the mounting frame is movably connected with the portal frame, one end of the first fork arm is movably connected with the mounting frame, and one end of the second fork arm is connected with the mounting frame and arranged at intervals with the first fork arm; the control assembly comprises a controller, a first driving piece and a second driving piece, and the first driving piece and the second driving piece are electrically connected with the controller. Under the control of the controller, the second driving piece drives the first fork arm to move towards the direction of the second fork arm, so that the first fork arm and the second fork arm are folded and the action of clamping the article to be forked is carried out, and after the clamping is in place, the first driving piece drives the fork assembly to lift and lower so as to lift the article to be forked. So set up to the fork of getting and the transport operation of thing are got to the fork of the quilt fork of realizing not having the chassis.

Description

Forklift truck

Technical Field

The utility model relates to the technical field of carrying equipment, in particular to a forklift.

Background

The forklift is a common automatic warehousing and carrying tool, which is called as an industrial vehicle by international organization for standardization ISO/TC110, and is often used for transporting large warehoused objects, and is driven by an oil-fired engine or a battery. The forklift can stack the goods to the shelves of the warehouse under the direction of the computer or take the goods off the shelves and transport the goods to a designated position.

Although the conventional forklift has a function of forking the goods, the goods are difficult to be forked and transported to the forked goods without the chassis, so that the forking requirement under the condition cannot be met.

SUMMERY OF THE UTILITY MODEL

On this basis, there is a need for a forklift; this fork truck can realize getting the centre gripping or loosening of thing to being forked through drawing in or separating of first prong and second prong to satisfy the fork that does not have the chassis and get the demand by the fork of thing.

The technical scheme is as follows:

one embodiment provides a forklift comprising:

the vehicle body is provided with a door frame;

the fork assembly comprises a mounting frame, a first fork arm and a second fork arm, the mounting frame is movably connected with the portal frame, one end of the first fork arm is movably connected with the mounting frame, and one end of the second fork arm is connected with the mounting frame and arranged at intervals with the first fork arm; and

the control assembly comprises a controller, a first driving piece and a second driving piece, the first driving piece and the second driving piece are electrically connected with the controller, the first driving piece is used for driving the fork assembly to lift and move on the portal, and the second driving piece is used for driving the first fork arm to reciprocate on the mounting frame towards the direction of the second fork arm, so that the first fork arm and the second fork arm are folded or separated.

According to the forklift, under the control of the controller, the second driving piece drives the first fork arm to move towards the direction of the second fork arm, so that the first fork arm and the second fork arm are folded and the action of clamping the object to be forked is carried out, and after the object to be forked is clamped in place, the first driving piece drives the fork assembly to lift and lower so as to lift the object to be forked. So set up to the fork of getting and the transport operation of thing are got to the fork of the quilt fork of realizing not having the chassis.

The technical solution is further explained below:

in one embodiment, the control assembly further includes a first sensor and a first reflection plate, the first sensor is disposed on the mounting frame and electrically connected to the controller, the first reflection plate is disposed on the first yoke, and the first sensor is engaged with the first reflection plate and configured to detect a moving distance of the first yoke.

In one embodiment, one end of the second prong is movably connected to the mounting frame, the control assembly further includes a third driving element electrically connected to the controller, and the third driving element is configured to drive the second prong to move back and forth on the mounting frame in a direction toward the first prong, so as to fold or separate the first prong and the second prong;

the control assembly further comprises a second sensor and a second reflection plate, the second sensor is arranged on the mounting frame and electrically connected with the controller, the second reflection plate is arranged on the second fork arm, and the second sensor is matched with the second reflection plate and used for detecting the moving distance of the second fork arm.

In one embodiment, the second driving member and the third driving member are both a hydraulic push rod, a pneumatic push rod or an electric push rod fixed on the mounting frame, and the second driving member and the third driving member are arranged at an upper and lower interval.

In one embodiment, the first prong and the second prong are each disposed in a plate shape, and the first prong and the second prong are each disposed in a longitudinal direction.

In one embodiment, the portal is in sliding fit with the truck body, the mounting bracket is in sliding fit with the portal, the fork assembly further comprises a rotating wheel and a transmission belt, the rotating wheel is rotatably arranged on the upper portion of the portal, one end of the transmission belt is fixed to the truck body, the other end of the transmission belt bypasses the rotating wheel and is fixed to the mounting bracket, and the first driving piece is fixed to the truck body and used for driving the portal to move up and down on the truck body so that the mounting bracket moves up and down on the portal.

In one embodiment, the control assembly further comprises a third sensor, the third sensor is arranged on the mounting frame, and the third sensor is used for detecting the lifting height of the fork assembly.

In one embodiment, the vehicle body is provided with a charging module, the charging module is provided with a charging port, and the charging module is electrically connected with the controller.

In one embodiment, the control assembly further comprises a positioning module, wherein the positioning module is arranged at the top of the vehicle body and is electrically connected with the controller;

the control assembly further comprises a 5G communication module, and the 5G communication module is electrically connected with the controller.

In one embodiment, the control assembly further comprises at least two obstacle avoidance sensors, and at least one obstacle avoidance sensor is arranged on each of the front side and the rear side of the vehicle body.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model.

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Furthermore, the drawings are not drawn to a 1:1 scale, and the relative sizes of the various elements in the drawings are drawn only by way of example, and not necessarily to true scale.

FIG. 1 is a schematic diagram of the overall structure of a forklift in one embodiment;

fig. 2 is a schematic top view of the forklift in the embodiment of fig. 1.

Reference is made to the accompanying drawings in which:

100. a vehicle body; 110. a gantry; 120. a charging module; 210. a first yoke; 220. a second prong; 230. a mounting frame; 240. a rotating wheel; 250. a transmission belt; 310. a first driving member; 320. a positioning module; 330. 5G communication module; 341. a first sensor; 342. a first reflection plate; 351. a second sensor; 352. a second reflection plate; 360. a third sensor; 370. keep away barrier sensor.

Detailed Description

Embodiments of the present invention are described in detail below with reference to the accompanying drawings:

in order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

Referring to fig. 1 and 2, one embodiment provides a lift truck including a truck body 100, a fork assembly, and a control assembly. Wherein:

referring to fig. 1 and 2, the vehicle body 100 is provided with a mast 110.

Referring to fig. 1 and 2, the fork assembly includes a mounting bracket 230, a first fork arm 210 and a second fork arm 220, the mounting bracket 230 is movably connected to the mast 110, one end of the first fork arm 210 is movably connected to the mounting bracket 230, and one end of the second fork arm 220 is connected to the mounting bracket 230 and spaced apart from the first fork arm 210.

Referring to fig. 1 and 2, the control assembly includes a controller, a first driving member 310 and a second driving member, the first driving member 310 and the second driving member are electrically connected to the controller, the first driving member 310 is used for driving the fork assembly to move up and down on the mast 110, and the second driving member is used for driving the first fork arm 210 to move back and forth on the mounting rack 230 toward the second fork arm 220, so as to fold or separate the first fork arm 210 and the second fork arm 220.

In operation, under the control of the controller, the second driving member drives the first fork arm 210 to move towards the second fork arm 220, so that the first fork arm 210 and the second fork arm 220 are folded and the object to be picked is picked up, and after the object to be picked is picked up and picked, the first driving member 310 drives the fork assembly to lift and lower, so as to lift the object to be picked. So set up to the fork of getting and the transport operation of thing are got to the fork of the quilt fork of realizing not having the chassis.

In the embodiment shown in fig. 1, the fork arms are provided with two fork arms, at least one fork arm can move towards the other fork arm to fold or separate, so that the clamped or released object to be forked can be clamped or released, and the problem of carrying the object to be forked without a chassis can be solved.

It should be noted that: the first drive member 310 may directly drive the fork assembly for elevating movement on the mast 110 or may indirectly drive the fork assembly for elevating movement on the mast 110.

In one embodiment, referring to fig. 1, the control assembly further includes a first sensor 341 and a first reflective plate 342, the first sensor 341 is disposed on the mounting frame 230 and electrically connected to the controller, the first reflective plate 342 is disposed on the first yoke 210, and the first sensor 341 is matched with the first reflective plate 342 and is used for detecting a moving distance of the first yoke 210.

Optionally, the first sensor 341 is a laser sensor, and detects the moving distance of the first yoke 210 by emitting laser light to cooperate with the first reflection plate 342, so as to determine the distance between the first yoke 210 and the second yoke 220 to match the volume of the object to be forked.

In one embodiment, referring to fig. 1, one end of the second prong 220 is movably connected to the mounting rack 230, and the control assembly further includes a third driving element electrically connected to the controller, and the third driving element is used for driving the second prong 220 to move back and forth on the mounting rack 230 toward the first prong 210, so as to fold or separate the first prong 210 and the second prong 220.

In this embodiment, the second prong 220 is also movably connected to the mounting frame 230, that is, both the first prong 210 and the second prong 220 can move, and at this time, when the object to be clamped needs to be clamped, under the control of the controller, the second driving element drives the first prong 210 to move toward one side of the second prong 220, and the third driving element drives the second prong 220 to move toward one side of the first prong 210, so that the first prong 210 and the second prong 220 are folded to clamp the object to be clamped.

Of course, in this case, the control assembly further includes a second sensor 351 and a second reflection plate 352, the second sensor 351 is disposed on the mounting frame 230 and electrically connected to the controller, the second reflection plate 352 is disposed on the second fork arm 220, and the second sensor 351 is matched with the second reflection plate 352 and used for detecting the moving distance of the second fork arm 220.

Similarly, the second sensor 351 can be a laser sensor, so as to cooperate with the second reflection plate 352 to detect the moving distance of the second fork arm 220, which is not described in detail.

In one embodiment, the second driving member and the third driving member are both a hydraulic push rod, a pneumatic push rod, or an electric push rod fixed on the mounting frame 230, and the second driving member and the third driving member are spaced up and down.

Optionally, the second driving member and the third driving member are both of a cylinder driving push rod structure which is arranged on the mounting frame 230 at an interval from top to bottom. Of course, those skilled in the art need to arrange the guide structure for the movement of the first fork arm 210 and the second fork arm 220 in the actual arrangement, and the description is omitted here.

In one embodiment, referring to fig. 1 and 2, the first prong 210 and the second prong 220 are both disposed in a plate shape, and the first prong 210 and the second prong 220 are both disposed in a longitudinal direction.

In one embodiment, referring to fig. 1, the mast 110 is slidably engaged with the body 100, the mounting frame 230 is slidably engaged with the mast 110, the fork assembly further includes a rotating wheel 240 and a belt 250, the rotating wheel 240 is rotatably disposed on an upper portion of the mast 110, one end of the belt 250 is fixed to the body 100, the other end of the belt 250 passes around the rotating wheel 240 and is fixed to the mounting frame 230, and the first driving member 310 is fixed to the body 100 and is configured to drive the mast 110 to move up and down on the body 100, so that the mounting frame 230 moves up and down on the mast 110.

In the embodiment shown in FIG. 1, the mast 110 is capable of being slidably moved up and down on the vehicle body 100, and the first drive member 310 may be a hydraulic ram or a pneumatic ram to move the mast 110 up and down. In the process of ascending and descending the gantry 110, the rotating wheel 240 is rotatably disposed on the upper portion of the gantry 110, and at this time, the rotating wheel 240 also ascends and descends synchronously, so as to pull the transmission belt 250 to move, so that the mounting frame 230 at the other end of the transmission belt 250 ascends and descends synchronously, and further the first fork arm 210 and the second fork arm 220 ascend and descend synchronously, which is not described in detail again.

Optionally, the transmission belt 250 is a transmission chain, and of course, the transmission belt 250 may also be other flexible members capable of transmitting with the rotating wheel 240, which will not be described in detail.

In one embodiment, referring to fig. 1, the control assembly further includes a third sensor 360, the third sensor 360 is disposed on the mounting frame 230, and the third sensor 360 is used for detecting the lifting height of the fork assembly.

The third sensor 360 is disposed on the mounting bracket 230, and when the mounting bracket 230 is lifted, the third sensor 360 can measure the lifting height of the mounting bracket 230, that is, the lifting height of the fork assembly, in a non-contact manner, which is not described again.

In one embodiment, referring to fig. 1, the vehicle body 100 is provided with a charging module 120, the charging module 120 has a charging port, and the charging module 120 is electrically connected to the controller.

The charging module 120 is electrically connected to the controller, and when the battery capacity is insufficient, the controller can issue a prompt or alarm to prompt charging as soon as possible and stop the current operation of the forklift.

In one embodiment, referring to fig. 1, the control assembly further includes a positioning module 320, and the positioning module 320 is disposed on the top of the vehicle body 100 and electrically connected to the controller.

In one embodiment, referring to fig. 1, the control assembly further includes a 5G communication module 330, and the 5G communication module 330 is electrically connected to the controller.

The arrangement of the positioning module 320 and the 5G communication module 330 enables the vehicle body 100 to form an AGV system, which has an autonomous walking function, and when the electric quantity is insufficient, the forklift stops the current work, so that the forklift automatically goes to charge according to a set program; after the full charge, the robot can perform autonomous operation based on background settings, teaching programs, and the like, depending on the position of the object to be forked and the like.

Of course, the forklift may also be provided with a manual operation module, and a corresponding switching module is configured to switch the autonomous working mode and the manual working mode of the forklift, which is not described in detail.

In one embodiment, the control assembly further includes at least two obstacle avoidance sensors 370, and at least one obstacle avoidance sensor 370 is disposed on each of the front side and the rear side of the vehicle body 100.

Optionally, the obstacle avoidance sensor 370 is an infrared sensor provided at each of the front and rear sides of the vehicle body 100 to detect whether there is an obstacle in front and rear, thereby achieving safe operation.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A forklift, comprising:

the vehicle body is provided with a door frame;

2. The lift truck of claim 1, wherein the control assembly further comprises a first sensor disposed on the mounting bracket and electrically connected to the controller, and a first reflective plate disposed on the first yoke, the first sensor cooperating with the first reflective plate and configured to detect a travel distance of the first yoke.

3. The lift truck of claim 2, wherein one end of the second boom is movably connected to the mounting frame, the control assembly further comprising a third driving member electrically connected to the controller, the third driving member being configured to drive the second boom to reciprocate on the mounting frame in a direction toward the first boom to draw the first boom in and draw the second boom out;

4. The forklift as recited in claim 3, wherein the second driving member and the third driving member are both a hydraulic push rod, a pneumatic push rod or an electric push rod fixed on the mounting frame, and the second driving member and the third driving member are arranged at an interval from top to bottom.

5. The lift truck of claim 3, wherein the first and second forks are each disposed in a plate-like manner and the first and second forks are each disposed longitudinally.

6. The lift truck of any one of claims 1 to 5, wherein the mast is slidably engaged with the truck body, the mounting bracket is slidably engaged with the mast, the fork assembly further includes a rotatable wheel rotatably disposed on an upper portion of the mast, and a belt having one end secured to the truck body and another end secured to the mounting bracket, the first drive member being secured to the truck body and configured to drive the mast for lifting movement on the truck body to cause the mounting bracket to be lifted and lowered on the mast.

7. The lift truck of claim 6, wherein the control assembly further comprises a third sensor disposed on the mounting bracket, the third sensor for detecting a lift height of the fork assembly.

8. The lift truck of claim 6, wherein the truck body is provided with a charging module having a charging port, the charging module being electrically connected to the controller.

9. The lift truck of claim 6, wherein the control assembly further comprises a positioning module disposed on top of the truck body and electrically connected to the controller;

10. The forklift of claim 6, wherein the control assembly further comprises at least two obstacle avoidance sensors, and at least one obstacle avoidance sensor is provided on each of the front side and the rear side of the forklift body.