CN216512694U - Fork truck goods detection device that targets in place - Google Patents

Abstract

The utility model discloses a forklift goods in-place detection device, wherein a contact plate is in point contact with the rear end of a limit switch by using a vertical limit switch, the front end of the contact plate is displaced greatly, the contact position of the contact plate is displaced slightly, so that the trigger stroke is lengthened, the feedback time of equipment is increased, the goods are in place to be forked by a forklift, the feedback time of the forklift for stopping is lengthened, and the running safety of an unmanned forklift is ensured. This scheme is through using perpendicular limit switch, and goods detection device that targets in place arranges to extend to the vertical direction, saves horizontal space, changes in fork truck's structural arrangement.

Description

Fork truck goods detection device that targets in place

Technical Field

The utility model relates to the technical field of logistics robots, in particular to a forklift goods in-place detection device.

Background

The AGV (automatic Guided Vehicles) is also called an unmanned transport vehicle, an automatic navigation vehicle and a laser navigation vehicle, and has the remarkable characteristics of unmanned driving and automatic realization of intelligent transportation of logistics. The AGV is provided with an automatic guiding system, so that the system can be ensured to automatically run along a preset route without manual navigation, and goods or materials are automatically conveyed to a destination from a starting point. Another characteristic of AGVs is that the flexibility is good, degree of automation is high and the level of intellectuality is high, and the route of travel of AGVs can change and nimble the change according to storage goods position requirement, production technology flow etc. to the expense that the route of travel changed compares very cheaply with traditional conveyer belt and rigid transmission line.

When present AGV fork truck fork got the goods, conventional goods detection switch that targets in place uses vertical limit switch, and limit switch goes out first direct contact goods, because limit switch's trigger displacement is shorter, therefore the used contact plate stroke of detection switch is less, and sensitivity is lower in the use, and feedback action can not in time be made to equipment. The transverse space of the root of the fork tooth of the forklift is small, and a conventional goods in-place detection device usually needs a large transverse space and is difficult to arrange.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention has been developed to provide an AGV omnidirectional forklift load-in-position detection apparatus that overcomes or at least partially solves the above-mentioned problems.

According to one aspect of the utility model, a forklift goods in-place detection device is provided, which comprises:

the limiting switch, the contact plate bracket, the contact plate connecting piece and the hinge shaft are arranged on the contact plate;

the limit switch is fixedly connected with the contact plate bracket, the contact plate is fixedly connected with the contact plate connecting piece, and the contact plate connecting piece is connected with the contact plate bracket through a hinge shaft, so that the contact plate has rotational freedom; the rear point of the contact plate is in contact with the limit switch and can move to trigger the limit switch.

The device is fixedly arranged in the middle of the inner door frame.

After the fork gets the goods, the goods touches and triggers limit switch behind the contact plate makes fork truck obtain the signal that the goods targets in place, stops fork truck and continues to advance.

The contact plate is in an inverted L shape, and the shorter end of the contact plate is in contact with the limit switch to amplify the stroke of the limit switch.

The shorter end of the contact plate is connected to the contact plate connection member so that the contact plate can have a rotational degree of freedom along the hinge shaft.

The limit switch is longitudinally and fixedly connected to the contact plate support through a bolt, and one switch control end of the limit switch is upwards contacted with the contact plate.

The contact plate is fixedly connected to the contact plate connecting piece through a bolt.

The rear point of the contact plate is contacted with the limit switch through the self gravity of the contact plate.

The contact plate can trigger the limit switch after contacting with goods.

The limit switch is a vertical limit switch.

According to one or more of the above technical solutions of the present invention, there is provided a forklift goods in-position detecting apparatus, wherein a vertical limit switch is fastened to a contact plate bracket, and a contact plate is connected to the contact plate bracket through a hinge, so that the contact plate has a rotational degree of freedom, and a rear point of the contact plate is in contact with the limit switch. After the front end of the contact plate is contacted with goods, the contact of the vertical limit switch can be compressed, so that the goods in-place detection function of the device is caused.

The structure provided by the utility model is smaller in transverse space, so that the structural arrangement of the device in the design process of the unmanned forklift is easier. The use of this scheme makes unmanned fork truck have higher safety in utilization.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

FIG. 1 is a schematic structural diagram of a forklift goods in-place detection device in the embodiment;

FIG. 2 is a schematic exploded view of the forklift goods in-place detection device in the embodiment;

fig. 3 shows a schematic structural diagram of the whole installation structure of the forklift goods in-place detection device and the inner door frame in the embodiment.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

The scheme of the utility model aims to solve the problem that the safety of the forklift is reduced due to insufficient feedback time after the conventional limit switch is triggered. Simultaneously, the forklift has smaller transverse space, so that the structure layout of the forklift is changed.

Fig. 1 shows a schematic structural diagram of a forklift goods in-place detection device in this embodiment, fig. 2 shows a schematic structural diagram of a part of the forklift goods in-place detection device and an inner door frame in this embodiment, and fig. 3 shows a schematic structural diagram of the whole forklift goods in-place detection device and the inner door frame in this embodiment. Referring to fig. 1 to 3, the forklift goods in-position detection device may include:

the limit switch 4 is fixedly connected with a contact plate bracket 6, the contact plate 3 is fixedly connected with a contact plate connecting piece 7, and the contact plate connecting piece 7 is connected with the contact plate bracket 6 through a hinge shaft 5, so that the contact plate 3 has rotational freedom; the rear point of the contact plate 3 is contacted with the limit switch 4 and can move to trigger the limit switch 4.

The device is fixedly arranged in the middle of the inner door frame 1.

After the fork 2 forks the goods, the goods touch the contact plate 3 and then trigger the limit switch 4 to enable the forklift to obtain a signal that the goods are in place, and the forklift is stopped to continue to advance.

The contact plate 3 is in an inverted L shape, and the shorter end of the contact plate is in contact with the limit switch 4 to amplify the stroke of the limit switch 4.

The shorter end of the contact plate 3 is connected to the contact plate connector 7 so that the contact plate 3 can have a rotational degree of freedom along the hinge shaft 5.

The limit switch 4 is longitudinally and fixedly connected to the contact plate bracket 6 through a bolt, and one switch control end of the limit switch is upwards contacted with the contact plate 3.

The contact plate 3 is fixedly connected to the contact plate connection 7 by means of bolts.

The rear point of the contact plate 3 is contacted with the limit switch 4 by the self gravity of the contact plate 3.

The contact plate 3 can trigger the limit switch 4 after contacting with goods.

The limit switch 4 is a vertical limit switch.

The main scheme of the embodiment is that the vertical limit switch is fastened on a contact plate support, and the contact plate is connected with the contact plate support through a hinge joint, so that the contact plate has rotational freedom, and the rear point of the contact plate is contacted with the limit switch. After the front end of the contact plate is contacted with goods, the contact of the vertical limit switch can be compressed, so that the goods in-place detection function of the device is caused.

The goods detection device that targets in place that this embodiment designed arranges in the middle of interior door frame 1, and behind the prong 2 fork get the goods, the goods triggers limit switch 4 through bumping touch contact plate 3 after and makes fork truck obtain the signal that the goods targets in place, stops fork truck and continues to advance.

In this embodiment, limit switch 4 is connected to contact plate support 6 through bolt, contact plate 3 is connected to contact plate connecting piece 7 through bolt, contact plate connecting piece 7 is connected to contact plate support 6 through articulated shaft 5 to make contact plate 3 have the rotational degree of freedom, make contact plate 3 back point and limit switch 4 contact through the gravity of contact plate 3 self, after contact plate 3 and goods take place to contact, back point contact position triggers limit switch 4.

In this embodiment, the contact plate 3 has the stroke of the limit switch 4 enlarged at the front end through the lever effect due to the contact between the rear end and the limit switch 4, so that after the contact of the goods, the forklift has more abundant feedback time, and the use safety of the forklift is ensured.

According to the embodiment of the utility model, the transverse space is smaller, so that the structural arrangement of the device in the design process of the unmanned forklift is easier. The use of this scheme makes unmanned fork truck have higher safety in utilization.

The utility model uses the vertical limit switch, has the advantages of saving the transverse space of the device and being easy to structurally arrange.

The contact plate is in point contact with the rear point of the vertical limit switch, the trigger displacement of the travel switch is amplified through a lever effect, the increase of the trigger displacement of the contact position is realized, the feedback time of the unmanned forklift is increased, and the use safety of the unmanned forklift is improved.

In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the utility model may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

Similarly, it should be appreciated that in the foregoing description of exemplary embodiments of the utility model, various features of the utility model are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure and aiding in the understanding of one or more of the various inventive aspects. However, the disclosed method should not be interpreted as reflecting an intention that: that the utility model as claimed requires more features than are expressly recited in each claim. Rather, as the following claims reflect, inventive aspects lie in less than all features of a single foregoing disclosed embodiment. Thus, the claims following the detailed description are hereby expressly incorporated into this detailed description, with each claim standing on its own as a separate embodiment of this invention.

Those skilled in the art will appreciate that the modules in the device in an embodiment may be adaptively changed and disposed in one or more devices different from the embodiment. The modules or units or components of the embodiments may be combined into one module or unit or component, and furthermore they may be divided into a plurality of sub-modules or sub-units or sub-components. All of the features disclosed in this specification (including any accompanying claims, abstract and drawings), and all of the processes or elements of any method or apparatus so disclosed, may be combined in any combination, except combinations where at least some of such features and/or processes or elements are mutually exclusive. Each feature disclosed in this specification (including any accompanying claims, abstract and drawings) may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise.

Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the utility model and form different embodiments. For example, any of the embodiments claimed in the claims can be used in any combination.

The various component embodiments of the utility model may be implemented in hardware, or in software modules running on one or more processors, or in a combination thereof. The present invention may also be embodied as apparatus or device programs (e.g., computer programs and computer program products) for performing a portion or all of the methods described herein. Such programs implementing the present invention may be stored on computer-readable media or may be in the form of one or more signals. Such a signal may be downloaded from an internet website or provided on a carrier signal or in any other form.

It should be noted that the above-mentioned embodiments illustrate rather than limit the utility model, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The utility model may be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware.

While the foregoing is directed to embodiments of the present invention, it will be appreciated that various modifications, alterations, and adaptations of the utility model may be made by those skilled in the art without departing from the spirit of the utility model, and that such modifications, alterations, and adaptations are intended to be within the scope of the present application.

Claims (10)

1. The utility model provides a fork truck goods detection device that targets in place which characterized in that includes:

the limiting switch, the contact plate bracket, the contact plate connecting piece and the hinge shaft are arranged on the contact plate;

the limit switch is fixedly connected with the contact plate bracket, the contact plate is fixedly connected with the contact plate connecting piece, and the contact plate connecting piece is connected with the contact plate bracket through the hinge shaft, so that the contact plate has rotational freedom; the rear point of the contact plate is in contact with the limit switch and can move to trigger the limit switch.

2. The forklift cargo position detection device of claim 1, wherein the device is fixedly disposed at a middle position of the inner door frame.

3. The forklift goods in-place detection device as claimed in claim 2, wherein after the fork tines pick up the goods, the goods touch the contact plate and then trigger the limit switch, so that the forklift obtains a goods in-place signal and stops the forklift from continuing to advance.

4. The forklift goods in-place detection device of claim 1, wherein the contact plate is in an inverted "L" shape, and the shorter end of the contact plate is in contact with the limit switch to amplify the stroke of the limit switch.

5. The forklift load in position detection device of claim 4, wherein the shorter end of said contact plate is connected to said contact plate connector so that said contact plate has a rotational degree of freedom along said hinge axis.

6. The forklift load in-place detection device as recited in claim 1, wherein said limit switch is fixedly connected to said contact plate bracket longitudinally by means of a bolt, and a switch-controlled end thereof is upwardly contacted to said contact plate.

7. The forklift load in position detection device of claim 1 or 6, wherein the contact plate is fixedly connected to the contact plate connection member by a bolt.

8. The forklift goods in-position detecting device as claimed in claim 1, wherein the contact plate rear point is in contact with the limit switch by the self-gravity of the contact plate.

9. The forklift goods in-position detecting device as claimed in claim 1 or 8, wherein the limit switch can be triggered after the contact plate contacts with the goods.

10. The forklift goods in-place detection device of claim 1, wherein the limit switch is a vertical limit switch.

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