CN216036960U - Intelligent logistics vehicle - Google Patents

Abstract

An intelligent logistics vehicle comprises an electric driving trolley body, an electric linear sliding table, an electric telescopic rod, a power switch, a voltage-stabilized power supply and a control mechanism; the control mechanism comprises a photoelectric switch and a relay, and the relay, a power switch and a stabilized voltage supply are arranged in the element box; the photoelectric switches are arranged at the front end and the rear end of the carriage; the electric linear sliding table is arranged at the upper end of the carriage, the upper end of the electric telescopic rod is arranged at the left side and the right side of the carriage, and the lower end of the electric telescopic rod is provided with a limiting plate; two output ends of the power switch are electrically connected with control power input ends of the two relays respectively, and normally closed contact ends of the first relay and the second relay are electrically connected with one end of a capacitor and the other end of the capacitor of the electrically-driven trolley body respectively. This novel dolly body operation can automatic stop work after targetting in place, stability when can increasing this novel goods in the loading and unloading article frame can also make the article frame can be close loading and unloading goods station more, has brought the facility for staff's goods handling to work efficiency has been improved.

Description

Intelligent logistics vehicle

Technical Field

The utility model relates to the technical field of logistics equipment, in particular to an intelligent logistics vehicle.

Background

In the express logistics industry and the like, packages or other objects and the like are often required to be transferred from a previous process to a next process (such as from a discharge process to a sorting process and the like, regardless) through an electrically driven trolley. The existing electric driving trolley is generally controlled by a main control circuit board to be guided along a guide rail or directly run on the ground according to different structures.

The electric driving trolley brings convenience to the logistics industry, but is limited by the structure and still has certain problems. One is as follows: when two processes such as parcel have enough to meet the need in front and back, receive other process equipment structure influences, can not effectively guarantee its equipment location with two processes around and be close, like this, electrically drive the dolly in front and back two processes loading and unloading parcel wait (a plurality of parcels are located the parcel incasement, and the parcel case is located and moves the station on electrically driving the dolly), because both intervals are too big, artifical loading and unloading parcel case wait in coordination, can bring inconvenience for the staff, and be unfavorable for improving work efficiency. The second step is as follows: the main control circuit board for controlling the front and back movement of the electrically-driven trolley is based on a Programmable Logic Controller (PLC), the PLC has the defect of high cost, and the operation mode of the electrically-driven trolley can be effectively controlled only by programming of professional technicians, so that the professional can recover the operation after the follow-up fault occurs, and the defect of inconvenient maintenance is relatively existed. In conclusion, the intelligent logistics vehicle has the function of a common electric driving trolley, can horizontally move left and right when goods are loaded and unloaded, is convenient for workers to load and unload the goods, and does not adopt a PLC software programming control working mode.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects that the electric driving trolley used in the prior logistics industry and the like can not realize the left and right displacement of a packing box and the like due to the structural limitation, more or less inconvenience is brought to workers for loading and unloading goods, the work efficiency is not improved, and the relative use and maintenance cost of the main control circuit board is high, the utility model provides an electric driving trolley body, the trolley body adopts a photoelectric switch and other working modes for controlling the front and back movement, wherein the photoelectric switch has low cost, reliable work and no need of programming, and can automatically stop working when meeting people or other obstacles in motion, thereby preventing self or other objects from being damaged and preventing workers from being hurt by collision, and when the parcel box is loaded and unloaded in the front and rear processes, the left and right transverse displacement of the parcel box can be conveniently controlled by a power switch, the intelligent logistics vehicle brings convenience for workers to load and unload goods, improves the working efficiency, and relatively reduces the use and maintenance cost.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

an intelligent logistics vehicle comprises an electric driving trolley body, an electric linear sliding table, an electric telescopic rod, a power switch and a voltage-stabilized power supply, and is characterized by further comprising a control mechanism; the control mechanism comprises at least two photoelectric switches and two relays, and the relays, the power switch and the stabilized voltage supply are arranged in the element box; the two photoelectric switches are respectively arranged at the front end and the rear end of the carriage of the electrically-driven trolley body; the electric linear sliding table is arranged at the upper end of the carriage, and a supporting plate is arranged at the upper end of a sliding block of the electric linear sliding table; the upper ends of the plurality of electric telescopic rods are respectively and vertically arranged on the left side and the right side of the carriage, and the lower end of each electric telescopic rod is provided with a limiting plate; the power switch has three, and two output terminals of a power switch are respectively with the control power input end electric connection of two relays, and two relay normally closed contact ends are respectively with electric drive dolly body's electric capacity one end, electric capacity other end electric connection.

Further, the capacitor operation type motor speed reducing mechanism of the electric driving trolley body is a coaxial motor gear speed reducer.

Further, the electric telescopic rod is a reciprocating electric push rod.

Furthermore, the photoelectric switch of the control mechanism is a PNP type infrared reflection photoelectric switch, the two photoelectric switches are electrically connected with the relays, positive power supply input ends and negative power supply input ends of the two photoelectric switches are respectively connected, power supply output ends of the two photoelectric switches are respectively connected with positive power supply input ends of the two relays, and negative power supply input ends of the photoelectric switches are connected with negative power supply input ends of the relays.

Further, the outer diameter of the limiting plate is larger than the left width and the right width of the guide rail in the production area, the limiting plate is located on a vertical plane with the rail from top to bottom, and the limiting plate is spaced from the upper end of the rail.

Furthermore, the front end and the rear end of the track are respectively provided with a baffle plate with the height higher than that of the photoelectric switch detection head.

The utility model has the beneficial effects that: according to the utility model, when the empty goods frame for transferring the package is placed on the supporting plate, the empty package is placed in the goods frame, and the goods frame is filled with the package and needs to be transferred in a front process and a back process, workers in the front process and the back process can conveniently control the trolley body to move to the back process or the front process through the third power switch, and the trolley body can automatically stop working after moving in place under the action of the photoelectric switch and the like. This novel back staff that targets in place can control four limiting plate contact track upper ends, increase this stability (including loading and unloading whole article frame) when novel loading and unloading goods in the article frame through switch, and the staff can also be through displacement about switch control article frame, and the article frame can be close loading and unloading goods station more like this, has brought the facility for staff's goods handling, has improved work efficiency. This novel drive dolly body based on electricity, the dolly body adopts low cost, reliable operation, does not need the control seesaw working method such as photoelectric switch of programming, and can automatic shutdown work when meetting people or other barriers in the motion, prevents to bump self or other article and injure the staff, and has reduced use and maintenance cost relatively. Based on the above, the utility model has good application prospect.

Drawings

The utility model is further illustrated below with reference to the figures and examples.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a circuit diagram of the present invention.

Detailed Description

As shown in fig. 1 and 2, an intelligent logistics vehicle comprises an electrically-driven trolley body 2 with four sets of wheels 1 driven by a capacitor operation type motor reducing mechanism M at the lower end, an electrically-driven linear sliding table M1, an electrically-driven telescopic rod M2, power switches S, S1 and S2, and a stabilized voltage power supply a1, wherein two U-shaped guide rails 3 which are parallel to each other are installed between two production processes before and after a production area, and the four wheels 1 of the electrically-driven trolley body are respectively positioned in the two rails 3 and are also provided with a control mechanism; the control mechanism comprises two photoelectric switches A2 and A3 and relays K1 and K2, the relays, the power switch and the stabilized voltage power supply A1 are installed in the element box 4, and the element box 4 is installed in the middle of the upper left end of the carriage 21 of the electrically-driven trolley body through screw nuts; the two photoelectric switches A2 and A3 are respectively fixedly arranged in the middle of the front end and the rear end of the carriage 21 through nuts by external threads of a shell of the photoelectric switches A2 and A3, and detection heads of the two photoelectric switches A2 and A3 are respectively positioned at the front outer end and the rear outer end of the carriage 21; the two sets of electric linear sliding tables M1 are longitudinally arranged on the front side and the rear side of the upper end of the carriage 21 through screw nuts at a certain distance from front to back respectively, the two sets of electric linear sliding tables M1 are respectively provided with two sliding blocks at a certain distance from left to right, and the upper ends of the four sliding blocks of the two sets of electric linear sliding tables are fixedly provided with a supporting plate 8 of which the upper end is of an open structure and the periphery is provided with a limiting plate through the screw nuts; the electric telescopic rods M2 are provided with four sets of the same electric telescopic rods, wherein the barrels of two sets of the electric telescopic rods M2 and the barrels of the other two sets of the electric telescopic rods M2 are vertically arranged at the front and rear ends of the lower part of the left and right outer ends of the carriage 21 at certain intervals, and the lower end of the piston rod of each set of the electric telescopic rods M2 is provided with a circular limiting plate 6 through a screw nut.

As shown in fig. 1 and 2, the motor reduction mechanism M is a finished coaxial motor gear reducer with power of 500W, and the power output shaft of the motor reduction mechanism M rotates at 20 revolutions per minute. The electric linear sliding table M1 is a finished product of an electric linear sliding table with model GX80 and working voltage direct current 48V and has power of 200W, and the left and right travel of the sliding block is 50 cm. The electric telescopic rod M2 is a reciprocating electric push rod finished product of model LYX, the working voltage is 48V, the power is 100W, the stroke of a piston rod of the electric telescopic rod is 60 cm, a limit switch is arranged at the upper end and the lower end in a cylinder body of the electric telescopic rod, after the piston rod moves to an upper dead point or a lower dead point, the electric telescopic rod M1 stops moving, and only a reverse input power supply is electrified to work again; the first power switch S1 and the second power switch S2 have two power inputs and two power outputs, and the third power switch S has one power input and one power output. The stabilized voltage supply A1 is a finished product of a 220V/48V AC-to-DC 48V switching power supply module with the output power of 3 KW. Photoelectric switches A2 and A3 of the control mechanism are PNP type infrared reflection photoelectric switch finished products of types E3K100-50, the working voltage direct current is 48V, the photoelectric switches are provided with three connecting wires, wherein two pins 1 and 2 are power supply input wires, the other pin 3 is a signal output wire, the front end of each photoelectric switch is provided with a detecting head, an emitting head of each detecting head can emit infrared beams during working, when the infrared beams emitted by the detecting heads are blocked by objects within a range of 50 cm furthest, after the infrared beams are received by receiving heads parallel to the detecting heads, the 3 pins of the signal output wires can output high level, when the infrared beams are not blocked by the objects, the 3 pins of the signal output wires do not output high level, the rear end of a shell of each photoelectric switch is provided with an adjusting knob, the adjusting knob adjusts the detecting distance of the detecting heads to the left to become shorter, and adjusts the detecting distance of the detecting heads to the right to become farther; the two photoelectric switches A2 and A3 are connected with the relays K1 and K2 through leads, the pins 1 of the positive power supply input ends and the pins 2 of the negative power supply input ends of the two photoelectric switches A2 and A3 are respectively connected, the pins 3 of the power supply output ends of the two photoelectric switches A2 and A3 are respectively connected with the positive power supply input ends of the two relays K1 and K2, and the pins 2 of the negative power supply input ends of the photoelectric switches A2 and A3 are connected with the negative power supply input ends of the relays K1 and K2.

As shown in fig. 1 and 2, the outer diameter of the limiting plate 6 is larger than the left and right width of each track 3, and the limiting plate 6 is located on a vertical plane with the tracks 3 from top to bottom and spaced from the upper ends of the tracks 3 by a certain distance. And the middle dead points of the front end and the rear end of the two rails 3 are respectively and vertically provided with a baffle 7 with the height higher than that of the photoelectric switch probe. A power supply input end 1 of a stabilized power supply A1 and a 2-pin alternating current 220V power supply are connected with a flexible lead with certain strength (the requirement of ensuring the traveling length of an electric driving trolley body between a front working procedure and a rear working procedure) through flexible leads with certain length, a power supply output end 3 and a power supply output end 4 of a stabilized power supply A1, power supply switches S1(1 and 2 pins), a power supply input end S2(1 and 2 pins), a power supply input end photoelectric switch A2 of a control mechanism, two power supply output ends 3 and 4 pins, 5 and 6 pins, two electric linear sliding tables M1 and positive and negative and positive power supply input ends of four sets of electric telescopic rods M2 are respectively connected through leads. Two output ends 2 and 3 of a third power switch S are respectively connected with control power supply input ends of two relays K1 and K2 through leads, and a negative power supply output end 4 of a stabilized voltage power supply A1 is connected with negative power supply input ends of two relays K1 and K2 through leads. Normally closed contact ends of a first relay K1 and a second relay K2 are respectively connected with one end of a capacitor C of the four sets of capacitor operation type motor reducing mechanisms M and the other end of the capacitor C of the four sets of capacitor operation type motor reducing mechanisms through leads; the power input end of the capacitor operation type motor reducing mechanism M is connected with the other pole of the 220V alternating current power supply through a lead, and the pin 1 of the power input end of the power switch S is connected with one pole of the 220V power supply through a lead.

As shown in fig. 1 and 2, after a 220V ac power supply enters a power supply input terminal of a regulated power supply a1, a regulated power supply a1 outputs a stable dc48V power supply through pins 3 and 4 under the action of its internal circuit, enters power switches S1 and S2, and enters power supply input terminals of two photoelectric switches a2 and A3. Before the utility model is used, an empty article frame 5 for transferring and wrapping is placed on the supporting plate 8, the empty article is placed in the article frame 5, when the article frame 5 is fully wrapped and needs to be transferred in a front process and a back process, a worker in the front process or the back process can conveniently pull the handle of the power switch S to be opened leftwards or rightwards, so that the pins 1 and 2 or 1 and 3 of the power switch S are respectively communicated, when the pins 1 and 2 of the power switch S are communicated, one pole of the 220V alternating current power supply can control the power input end and the normally closed contact end to enter one end of a capacitor C of the four sets of capacitor operation type motor speed reducing mechanisms M through the relay K1, and because the power input end of the four sets of capacitor operation type motor speed reducing mechanisms M is connected with the other pole of the 220V alternating current power supply through a lead, the power output shaft of the four sets of capacitor operation type motor speed reducing mechanisms M can rotate, and further drives the four wheels 21 to move forwards along the track 3 to move forwards in a downward process anticlockwise (after the power switch S is closed, The carriage body 2 stops moving). When the 1 and 3 feet of the power switch S are communicated, one pole of the 220V alternating current power supply can enter the other end of the capacitor C of the four sets of capacitor operation type motor reducing mechanisms M through the relay K1 control power input end and the normally closed contact end, because the power input end of the four sets of capacitor operation type motor reducing mechanisms M is connected with the other pole of the 220V alternating current power supply through a lead, the power output shaft of the four sets of capacitor operation type motor reducing mechanisms M rotates clockwise at the moment, and then the four wheels 21 are driven to move forward to the previous process along the track 3 (after the power switch S is closed, the trolley body 2 stops moving). In the novel electric driving trolley, when the electric driving trolley body 2 moves backwards or forwards to the front of a rail stop point (or meets a front end or rear end obstacle and a worker), the photoelectric switch a2 or A3 at the front end and the rear end of the electric driving trolley body 2 can approach a baffle (or approach the front end or rear end obstacle and the worker), because the infrared beam emitted by the front end of the detecting head of the photoelectric switch a2 or A3 is blocked, 3 pins of the photoelectric switch a2 or A3 can output high level to enter the positive power input end of the relay K1 or K2, then the relay K1 or K2 is electrified to attract the control power input end and the normally closed contact end to be opened, then, one pole of the 220V alternating current power supply cannot enter one end or the other end of the capacitor C, the four-set capacitor running motor speed reducing mechanism M no longer drives wheels to move when losing electricity, and the trolley body 2 stops moving. If a person blocks the detecting head of the photoelectric switch A2 or A3, when the person leaves the photoelectric switch A2 or A3 before and after detection, the 3 feet of the person stop outputting high level, the relay K1 or K2 is electrified and loses power and does not attract the input end of the control power supply and the normally closed contact end to be closed, then one pole of the 220V alternating-current power supply enters one end or the other end of the capacitor C again, the four sets of capacitor operation type motor reducing mechanisms M are electrified again to work to drive the trolley body to move towards the next procedure or the previous procedure, and the trolley body 2 cannot stop moving until the baffle of the next procedure or the previous procedure is approached, so that the intelligent control purpose is achieved (after the trolley body 2 moves to the next procedure or the previous procedure to stop moving, a worker of the next procedure or the previous procedure only needs to reversely adjust the handle of the power switch S, and the trolley body 2 can reversely move to the other procedure).

Fig. 1, 2 shows, dolly body 2 automatic operation targets in place the back, when needing left or right sideslip article frame 5 to do benefit to loading and unloading parcel, the staff stirs left to toggle the toggle handle of switch S2, then switch S2 ' S1, 2 feet and 3, 4 feet communicate respectively, thus, four sets of electric telescopic handle M2 ' S positive and negative poles power input end is electrified simultaneously, four sets of electric telescopic handle M2 ' S piston rod promotes limiting plate 6 downstream in step, close switch S2 after two tracks 3 upper ends of four limiting plate 6 lower extreme contacts, like this because four limiting plate 6 contact track 3 upper ends, increased this novel holistic stability, do benefit to subsequent loading and unloading goods. After loading and unloading goods finish, the staff to toggle the toggle handle of switch S2 right, then switch S2 1, 2 feet and 5, 6 feet communicate respectively, like this, four sets of electric telescopic handle M2 'S negative and positive two poles of the earth power input end is electrified simultaneously, four sets of electric telescopic handle M2' S piston rod drives limiting plate 6 upward movement in step, close switch S2 after pulling the interval open as four limiting plate 6 upper ends and two track 3 upper ends, just so can conveniently control the motion of dolly body 2. After the four limiting plates 6 contact the upper end of the track 3, a worker can shift the shifting handle of the power switch S1 leftwards or rightwards according to the cargo loading and unloading requirements, so that the 1, 2 and 3, 4 pins of the power switch S1, or the 1, 2 and 5, 6 pins are respectively communicated, in this way, the positive and negative two-pole power input ends or the negative and positive two-pole power input ends of the two sets of electric linear sliding tables M1 are respectively powered on simultaneously, the sliding blocks of the two sets of electric linear sliding tables M1 respectively drive the supporting plate 8 to move left or right in place and then close the power switch S1, and therefore the object frame 5 can be closer to the left end station or the right end station, namely the object frame 5 can be closer to the cargo loading and unloading station, convenience is brought to the worker for loading and unloading cargos, and the working efficiency is improved. This novel dolly body adopts low cost, reliable operation, does not need the photoelectric switch of programming etc. to control seesaw working method, and can automatic shutdown work when meetting people or other barriers in the motion, prevents to bump self or other article and injure non-staff, and has reduced use and maintenance cost relatively. Relays K1, K2 are DC48V relays; the capacitance C is 10 muF/400V.

While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description refers to embodiments, the embodiments do not include only one independent technical solution, and such description is only for clarity, and those skilled in the art should take the description as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims (6)

1. An intelligent logistics vehicle comprises an electric driving trolley body, an electric linear sliding table, an electric telescopic rod, a power switch and a voltage-stabilized power supply, and is characterized by further comprising a control mechanism; the control mechanism comprises at least two photoelectric switches and two relays, and the relays, the power switch and the stabilized voltage supply are arranged in the element box; the two photoelectric switches are respectively arranged at the front end and the rear end of the carriage of the electrically-driven trolley body; the electric linear sliding table is arranged at the upper end of the carriage, and a supporting plate is arranged at the upper end of a sliding block of the electric linear sliding table; the upper ends of the plurality of electric telescopic rods are respectively and vertically arranged on the left side and the right side of the carriage, and the lower end of each electric telescopic rod is provided with a limiting plate; the power switch has three, and two output terminals of a power switch are respectively with the control power input end electric connection of two relays, and two relay normally closed contact ends are respectively with electric drive dolly body's electric capacity one end, electric capacity other end electric connection.

2. The intelligent logistics vehicle of claim 1, wherein the capacitor-operated motor reduction mechanism of the electrically driven vehicle body is a coaxial motor gear reducer.

3. The intelligent logistics vehicle of claim 1, wherein the electric telescopic rod is a reciprocating electric push rod.

4. An intelligent logistics vehicle as claimed in claim 1, wherein the photoelectric switch of the control mechanism is a PNP type infrared reflection photoelectric switch, the two photoelectric switches and the relay are electrically connected, positive power input ends and negative power input ends of the two photoelectric switches are respectively connected, power output ends of the two photoelectric switches are respectively connected with positive power input ends of the two relays, and negative power input ends of the photoelectric switches are connected with negative power input ends of the relays.

5. The intelligent logistics vehicle of claim 1, wherein the outer diameter of the limiting plate is larger than the left and right width of the guide rail in the production area, and the limiting plate is positioned on a vertical plane with the rail from top to bottom and is spaced from the upper end of the rail.

6. The intelligent logistics vehicle of claim 5, wherein the front end and the rear end of the track are respectively provided with a baffle plate with a height higher than that of the photoelectric switch detection head.

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