CN219584230U - Novel workpiece transfer trolley - Google Patents

Abstract

A novel workpiece transfer trolley comprises a storage battery, an electric wheel, a lower support plate, a carriage plate and an electric telescopic rod, wherein a hand push rod is arranged at the rear side end of the lower support plate, and the novel workpiece transfer trolley further comprises a wireless receiving circuit, a wireless transmitting circuit, an inclination control circuit and a detection circuit; the motor speed reducing mechanisms of the plurality of sets of electric wheels are respectively arranged at the lower ends of the lower supporting plates; the lower ends of the plurality of sets of electric telescopic rods are respectively arranged around the upper end of the lower supporting plate, and the upper ends of the plurality of sets of electric telescopic rods are respectively hinged to the lower end of the carriage plate; the storage battery is arranged on the carriage board, and the wireless receiving circuit, the inclination control circuit and the detection circuit are arranged in the element box and are electrically connected. The utility model discloses but non-contact wireless control whole equipment motion, manual promotion motion to keep the carriage board as balanced as possible, can stop the motion in the very first time when the article of transporting drops, can also adjust the height of carriage board, all bring convenience for loading and unloading, improved work efficiency. Based on the above, the novel method has good application prospect.

Description

Novel workpiece transfer trolley

Technical Field

The utility model relates to the technical field of transfer equipment, in particular to a novel workpiece transfer trolley.

Background

In the fields of production, logistics and the like, a transfer trolley is widely used equipment and is mainly used for transferring objects in a corresponding area to another area.

Along with the progress of industrial technology, the function of the transfer trolley is also more and more perfected, for example, patent numbers 201420821066.2 in China and the patent name of the patent entitled "transfer trolley", the content of which is recorded as "when equipment to be loaded is loaded into the transfer trolley, the equipment slides onto the hanger plate from the front end of the hanger plate by using the wheels of the equipment so as to transfer the equipment, improve the loading efficiency and protect the use precision of the equipment in the transfer process". The above-mentioned patent makes it possible to handle objects to a certain extent, but it is subject to structural limitations, as is the case with other transfer trolleys in the field, and more or less has technical problems, the specific drawbacks being represented below. The method comprises the following steps: the manual force is needed to push forward, so that when the weight of the transported article is large, inconvenience is brought to staff, and the improvement of the working efficiency is not facilitated. And two,: without the inclination detection control function, when the ground is not flat in movement, articles placed on the carriage plate can fall on the ground due to overlarge inclination, so that the articles are damaged. Based on the above, it is particularly necessary to provide a transfer vehicle which can bring convenience to staff and prevent articles from falling as much as possible.

Disclosure of Invention

In order to overcome the defects of the prior transfer trolley, which are caused by the limited structure and the background, the utility model provides a novel workpiece transfer trolley which is based on a trolley body, can be used for realizing non-contact wireless control of the movement direction of the trolley body by workers in practical application, can be manually pushed when required, can automatically adjust the levelness of a carriage plate in transfer, and reduces the falling probability of articles on the carriage plate to the ground, thereby bringing convenience to the workers, improving the working efficiency and reducing the damage probability of the articles.

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

the novel workpiece transfer trolley comprises a storage battery, an electric wheel, a lower support plate, a carriage plate and an electric telescopic rod, wherein a hand push rod is arranged at the rear side end of the lower support plate; the electric wheels and the electric telescopic rods are respectively provided with a plurality of sets, each set of electric wheels comprises a motor speed reducing mechanism, a one-way device and wheels, a power output shaft of the motor speed reducing mechanism is arranged on the inner side of an inner ring of the one-way device, the wheels are arranged on the outer side of an outer ring of the one-way device, and the motor speed reducing mechanisms of the plurality of sets of electric wheels are respectively arranged on the periphery of the lower end of the lower supporting plate; the lower ends of the plurality of sets of electric telescopic rods are respectively arranged around the upper end of the lower supporting plate, and the upper ends of the plurality of sets of electric telescopic rods are respectively hinged around the lower end of the carriage plate; the storage battery is arranged at the upper end of the carriage plate, the wireless receiving circuit, the inclination control circuit and the detection circuit are arranged in an element box, and the element box is arranged on the hand push rod; the power output end of the detection circuit is electrically connected with the power input ends of the wireless receiving circuit and the inclination control circuit, and the power output end of the wireless receiving circuit is electrically connected with the power input ends of the motor speed reducing mechanisms respectively; the power output end of the inclination control circuit is electrically connected with the power input end of the electric telescopic rod at one side end of the carriage plate respectively.

Further, the motor reduction mechanism is a coaxial motor gear reducer; the electric telescopic rod is a reciprocating electric telescopic rod.

Further, the wireless receiving circuit comprises an electric connection wireless receiving circuit module and a relay, wherein two paths of power output ends of the wireless receiving circuit module are respectively connected with positive power input ends of the two relays, the power input ends of the wireless receiving circuit module and the positive control power input ends of the two relays are connected, and the negative power input ends of the wireless receiving circuit module are connected with the negative power input ends of the two relays and the negative control power input ends of the two relays.

Further, the inclination control circuit comprises two mercury switches and a relay which are electrically connected, and the two mercury switches are respectively arranged at two sides of the upper end of the lower supporting plate; one end of each mercury switch is connected with the positive electrode control power supply input end of each relay, the negative electrode power supply input end of each relay is connected with the negative electrode control power supply input end of each relay, and the other end of each mercury switch is connected with the positive electrode power supply input end of each relay.

Further, the detection circuit comprises an electrically connected photoelectric switch and a relay, wherein a power output end of the photoelectric switch, a negative power input end of the photoelectric switch and two power input ends of the relay are respectively connected, and a relay control power input end of the photoelectric switch is connected with a positive power input end of the photoelectric switch.

The utility model has the beneficial effects that: the novel wireless transmitting circuit and the wireless receiving circuit which are carried by the staff can respectively control the whole equipment to advance and turn left and right in a non-contact wireless manner, and due to the isolator, the staff can manually push the whole equipment to move when necessary, so that the novel wireless transmitting circuit and the wireless receiving circuit are more flexible to use and bring convenience to the staff; in the transportation process, when the difference of the left inclination and the right inclination of the whole body is large, the inclination control circuit can respectively control the electric telescopic rod to drive the carriage plate to keep balance as much as possible, so that the probability of dropping and damaging transported articles is reduced; the movement can be stopped at the first time when the transported articles fall under the extreme condition, so that the articles can be conveniently transferred to the carriage plate again by the staff; and when articles are loaded and unloaded, the height of the carriage plate can be adjusted, convenience is brought to loading and unloading, and the working efficiency is correspondingly improved. Based on the above-mentioned advantages of the present utility model, the novel structure has better application prospect.

Drawings

The utility model is further described below with reference to the drawings and examples.

FIG. 1 is an enlarged schematic view of the overall structure and part of the present utility model;

fig. 2 is a circuit diagram of the present utility model.

Detailed Description

The novel workpiece transfer trolley shown in fig. 1 and 2 comprises a storage battery G1, a charging socket CZ (a jack is positioned outside a fifth opening at the upper end of an element box), a power switch, an electric wheel 1, a lower support plate 2, a carriage plate 3, electric telescopic rods M3 and M4, wherein a hand push rod 4 is welded at the left side and the right side of the rear side end of the lower support plate 2, and the novel workpiece transfer trolley also comprises a wireless receiving circuit 5, a wireless transmitting circuit 6, an inclination control circuit 7 and a detection circuit 8; four sets of electric wheels 1 and four sets of electric telescopic rods are respectively arranged, each set of electric wheels comprises a motor speed reducing mechanism M1 (M2), a one-way device 8 and wheels 9, a power output shaft of each motor speed reducing mechanism M1 (M2) is tightly sleeved on the inner side of an inner ring of each one-way device 8, each wheel 9 is tightly sleeved on the outer side of an outer ring of each one-way device 8, each motor speed reducing mechanism M1 (M2) of each set of electric wheels is respectively arranged on the periphery of the lower end of the lower support plate 2 through screw nuts, and each four wheels 9 are respectively positioned on the periphery outer side ends of the lower support plate 2; the lower ends of the cylinders of the four sets of electric telescopic rods M3 and M4 are respectively and vertically arranged around the upper end of the lower supporting plate 2 through screw nuts, and the upper ends of the movable columns of the four sets of electric telescopic rods M3 and M4 are respectively and hingably arranged around the lower end of the carriage plate 3; the storage battery G1 is arranged in the shell 10, the shell 10 (lower than the carriage plate) is arranged in the middle of the upper end of the carriage plate 3, the charging socket CZ, the power switch, the wireless receiving circuit 5, the inclination control circuit 6 and the detection circuit 7 are arranged on a circuit board in the element box 11, and the element box 11 is arranged on the connecting plate 12 between the upper parts of the two hand push rods.

As shown in fig. 1 and 2, the storage battery G1 is a storage battery with the model of 24V/50Ah, and the charging socket CZ is a coaxial power socket (the jack is positioned outside the fifth opening at the upper end of the element box); the power switch is a toggle power switch (the handles of the five power switches are respectively positioned outside the five openings at the upper end of the element box); the motor speed reducing mechanism M1 (M2) is a finished product of a coaxial motor gear reducer with working voltage of 24V and power of 110W, and the rotating speed of a power output shaft is 120 revolutions per minute; the electric telescopic rods M3 and M4 are finished products of reciprocating electric telescopic rods with working voltage of 24V and power of 50W. The wireless receiving circuit comprises a power switch S2 and a wireless receiving circuit module A1 which are connected through circuit board wiring, two power output ends 2 and 3 pins of the power switch S2, two power output ends 3 and 4 pins of the wireless receiving circuit module A1 and positive power input ends of the two relays K1 and K2 are respectively connected, a power input end 1 pin of the power switch S2 is connected with a positive power input end 1 pin of the wireless receiving circuit module A1, positive control power input ends of the two relays K1 and K2, and a negative power input end 2 pin of the wireless receiving circuit module A1 is connected with negative power input ends and negative control power input ends of the two relays K1 and K2; the wireless transmitting circuit A3 is a finished product of a wireless transmitting circuit module (carried by staff). The tilt control circuit comprises two unidirectional mercury switches D1 and D2 and relays K3 and K3 which are connected through wiring of a circuit board, a power switch S3, two mercury switches D1 and D2 are respectively and vertically arranged in two shells A, the mercury liquid level is positioned at the upper end of two contacts at the lower end of the mercury switch, the two shells A are respectively arranged at the middle parts of two sides of the upper end of a lower support plate 2 by screw nuts, and when the lower support plate 2 is respectively tilted to the right or the left to be close to 3 degrees, the mercury liquid level of the right mercury switch D2 submerges the two contacts or the mercury liquid level of the left mercury switch D1 submerges the two contacts; one end of each of the two mercury switches D1 and D2 is connected with the positive control power input end of each of the two relays K3 and K4 and one end of the power switch S3, the negative power input end of each of the two relays K3 and K4 is connected with the negative control power input end, and the other end of each of the two mercury switches D1 and D2 is connected with the positive power input end of each of the two relays K3 and K4. The detection circuit comprises a photoelectric switch A4 and a relay K5 which are connected through wiring of a circuit board, wherein a power output end 3 pin of the photoelectric switch A4, a negative power input end 2 pin of the photoelectric switch A4 and two power input ends of the relay K4 are respectively connected, the relay K5 controls the power input end to be connected with a positive power input end 1 pin of the photoelectric switch A4, the photoelectric switch A4 is installed in a hole in the middle of the upper end of a carriage plate, and the height of an upper end detection head is lower than that of the upper end of the carriage plate.

As shown in fig. 1 and 2, the two poles of the battery G1 and the two ends of the charging socket CZ are connected by wires respectively (when the battery G is not powered, an external 24V power charger plug can be inserted into the charging socket CZ to charge the battery G). The positive electrode of the storage battery G is connected with one end of the first power switch S1 through a wire, the other end of the first power switch S1, the negative electrode of the storage battery G1 and the pins 1 and 2 of the power input end photoelectric switch A4 of the detection circuit, the pins 1 and 2 of the power input end of the second power switch S4 and the pins 1 and 2 of the power input end of the third power switch S5 are respectively connected through wires. The normally open contact end and the negative electrode power input end of the relay K5 at the power output end of the detection circuit are respectively connected with pins 1 and 2 of the power input end wireless receiving circuit module A1 of the wireless receiving circuit, the other end of the power switch S3 at the power input end of the inclination control circuit and the negative electrode power input end of the relay K3 through wires. The two normally open contact ends of the relay K1 at the power output end of the wireless receiving circuit, the two normally open contact ends of the relay K2, the two motor speed reducing mechanisms M1 at the left lower end of the carriage plate and the positive and negative power input ends of the two motor speed reducing mechanisms M2 at the right lower end of the carriage plate are respectively connected through wires. The power output ends 3 and 4 pins, 5 and 6 pins of the second power switch S4 and the third power switch S5 and the positive and negative power input ends of the four sets of electric telescopic rods M3 and M4 are respectively connected through wires. The power supply input ends of the positive and negative poles of the two normally open contact ends of the relays K3 and K4 at the power output end of the inclination control circuit and the two sets of electric telescopic rods M4 at the left side end of the carriage plate are respectively connected through wires.

Fig. 1 and 2 show, the utility model discloses a four sets of electric wheels have isolator 8 respectively, can manual formula pushing equipment bulk motion (close switch S1), and specifically, four sets of electric wheels 'S wheel and isolator' S outer lane rotate when pushing, and isolator inner circle does not rotate, and whole equipment just can straight line or turn about like this. After the power switch S1 is turned on, the whole circuit is powered on. The staff toggles the handles of the power switches S4 and S5 leftwards or rightwards (turns off the power switch S3), and the 1 and 2 pins and 3 and 4 pins or 5 and 6 pins of the power switch S4 or S5 are respectively communicated, so that the positive and negative or positive electrode power input ends of the four sets of electric telescopic rods M3 and M4 can be powered. The positive and negative electrode power supply input ends of the four sets of electric telescopic rods M3 and M4 are powered on, the movable rods of the four sets of electric telescopic rods can push the carriage plate to ascend and lift up, the negative and positive electrode power supply input ends of the four sets of electric telescopic rods M3 and M4 are powered on, and the movable rods of the four sets of electric telescopic rods can drive the carriage plate to descend and lower the height, so that convenience is brought to loading and unloading goods on the carriage plate (for example, the loading and unloading goods on the ground or the upper end of a machine tool are needed, and the descending or ascending height of the carriage plate can be controlled respectively). After the goods (articles) are placed on the carriage plate 3 by a worker, when the handle of the power switch S2 is manually shifted leftwards or rightwards (manually pushed, in order to realize labor saving and integral advancing of the equipment through electric control), the 1 and 2 or 3 feet of the power switch S2 are respectively communicated, thus, two sets of motor speed reducing mechanisms M1 at the left side end or two sets of motor speed reducing mechanisms M2 at the right side end of the lower support plate 2 can work in an electric mode, after four sets of motor speed reducing mechanisms are electrified, the power output shafts of the motor speed reducing mechanisms drive wheels to rotate anticlockwise through the isolator, the integral equipment linearly advances, the two sets of motor speed reducing mechanisms M1 at the left end are electrified independently, the integral equipment turns rightwards, and the motor speed reducing mechanisms M2 at the right end are electrified, and the integral equipment turns leftwards. When a worker needs to carry the wireless transmitting circuit A3 by pressing the first button F1 or the second button F2, the wireless receiving circuit module A1 outputs a high level to enter the positive power input end of the relay K1 or K2 after receiving the signal, the relay K1 or K2 is electrified to attract the control power input end and the normally open contact end to be closed, so that the two motor decelerating mechanisms M1 at the left end or the two motor decelerating mechanisms M2 at the right end of the lower supporting plate 2 can work electrically, the power output shafts of the two motor decelerating mechanisms at the left end and the two motor decelerating mechanisms at the right end drive the vehicle to rotate anticlockwise, the whole device moves linearly, the whole device turns right when the two motor decelerating mechanisms M1 at the left end are electrified independently, the whole device turns left (after the finger leaves the button F1 or F2, the wireless transmitting circuit A3 stops transmitting wireless signals, and the whole device does not move any more). In this novel, after goods are put on carriage board 3, the goods can shelter from photoelectric switch A4's emitter (do not transport the goods, but when needing to remove whole equipment, can put a piece of paper or other article on the emitter, like this, photoelectric switch A4's 3 foot output high level, equipment whole can normally work), photoelectric switch A4's 3 foot output high level gets into relay K5 positive pole power input, relay K5 gets the electricity actuation its control power input and normally open contact end and close, then, wireless receiving circuit, incline control circuit etc. can normally work, equipment whole can normally displacement. In the transportation, after goods drop from the carriage plate 3 due to various reasons, the 3 feet of the detection head of the photoelectric switch A3 are not shielded, so that the relay K5 is not powered on any more, and all circuits are powered off and do not work any more.

As shown in fig. 1 and 2, when the height of the left end or the right end of the ground changes during transportation, when the lower support plate 2 is inclined to the right or the left to be close to 3 degrees respectively, the mercury liquid level of the right mercury switch D2 submerges two contacts or the mercury liquid level of the left mercury switch D1 submerges two contacts, after the contact of the left mercury switch D1 (the height of the end is low) is closed, the relay K3 can be electrified to close the control power supply input end and the normally open contact end of the relay K3, so that the positive electrode power supply input end and the negative electrode power supply input end of the two sets of electric telescopic rods M3 at the left side end of the carriage plate are electrified, the movable column of the electric telescopic rods M3 pushes the left side end of the carriage plate 3 to move upwards, the height of the carriage plate 3 becomes gradually higher, when the carriage plate is inclined to be less than 3 degrees, the internal contact of the mercury switch D1 is not submerged by the mercury liquid level, so that the relay K3 loses electricity, and the electric telescopic rods M3 are not electrified. After the contact of the right mercury switch D2 is closed (the height of the end is low), the relay K4 is electrically attracted to the control power input end of the relay K4 and the normally open contact end of the relay K4, so that the two sets of electric telescopic rods M3 at the left side end of the carriage plate are powered on, the movable column of the electric telescopic rods M3 drives the left side end of the carriage plate 3 to move downwards, the height of the carriage plate 3 is gradually lowered, when the inclination of the carriage plate is less than 3 degrees, the internal contact of the mercury switch D2 is not submerged by mercury liquid level, and therefore, the relay K4 is powered off, and the electric telescopic rods M3 are not powered on. Through the above, the novel device can be used for controlling the whole equipment to move forwards and turn left and right in a non-contact wireless manner respectively, and can be used for manually pushing the whole equipment to move when necessary, so that the novel device is more flexible to use and brings convenience to staff; the carriage plates can be controlled to be balanced as far as possible, so that the probability of dropping and damaging transported articles is reduced; the movement can be stopped at the first time when the transported articles fall under the extreme condition, so that the articles can be conveniently transferred to the carriage plate again by the staff; and when articles are loaded and unloaded, the height of the carriage plate can be adjusted, convenience is brought to loading and unloading, and the working efficiency is correspondingly improved. In fig. 2, relays K1, K2, K3, K4, K5 are DC24V relays; the mercury switches D1 and D2 are unidirectional mercury switches; the wireless transmitting circuit module A3 and the wireless receiving circuit module A1 are finished products of wireless emitting electrode receiving assemblies of model SF 50; the photoelectric switch A4 is a PNP infrared reflection photoelectric switch finished product of the model E3K100-60, the working voltage is 24V, the photoelectric switch A4 is provided with three connecting wires, two pins 1 and 2 are power input wires, the other pin 3 is a signal output wire, the upper end of the photoelectric switch is provided with a detection head, when the photoelectric switch A is in operation, the emission head of the detection head emits infrared light beams, when the infrared light beams emitted by the detection head are received by receiving heads which are parallel through the detection heads within the range of 60 cm at the most, the pin 3 of the signal output wire outputs high level, when no article is blocked, the pin 3 of the signal output wire does not output high level, an adjusting knob is arranged outside the front lower end of a shell of the photoelectric switch, the detecting distance of the detecting head of the adjusting knob is adjusted to the left, and when the detecting distance of the detecting head is adjusted to the right, the detecting distance of the detecting head is further (the embodiment is adjusted to 5 cm).

It should be noted that while the above describes and illustrates embodiments of the present utility model, it is not intended that the embodiments include only a single embodiment, but that this description is made for the sake of clarity only, and it will be appreciated by one skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the utility model, and other embodiments will be understood by those skilled in the art, and accordingly, the scope of the utility model is defined by the appended claims and their equivalents.

Claims (5)

1. The novel workpiece transfer trolley comprises a storage battery, an electric wheel, a lower support plate, a carriage plate and an electric telescopic rod, wherein a hand push rod is arranged at the rear side end of the lower support plate; the electric wheels and the electric telescopic rods are respectively provided with a plurality of sets, each set of electric wheels comprises a motor speed reducing mechanism, a one-way device and wheels, a power output shaft of the motor speed reducing mechanism is arranged on the inner side of an inner ring of the one-way device, the wheels are arranged on the outer side of an outer ring of the one-way device, and the motor speed reducing mechanisms of the plurality of sets of electric wheels are respectively arranged on the periphery of the lower end of the lower supporting plate; the lower ends of the plurality of sets of electric telescopic rods are respectively arranged around the upper end of the lower supporting plate, and the upper ends of the plurality of sets of electric telescopic rods are respectively hinged around the lower end of the carriage plate; the storage battery is arranged at the upper end of the carriage plate, the wireless receiving circuit, the inclination control circuit and the detection circuit are arranged in an element box, and the element box is arranged on the hand push rod; the power output end of the detection circuit is electrically connected with the power input ends of the wireless receiving circuit and the inclination control circuit, and the power output end of the wireless receiving circuit is electrically connected with the power input ends of the motor speed reducing mechanisms respectively; the power output end of the inclination control circuit is electrically connected with the power input end of the electric telescopic rod at one side end of the carriage plate respectively.

2. The novel workpiece transfer cart of claim 1, wherein the motor reduction mechanism is a coaxial motor gear reducer; the electric telescopic rod is a reciprocating electric telescopic rod.

3. The novel workpiece transfer cart of claim 1, wherein the wireless receiving circuit comprises an electrically connected wireless receiving circuit module and a relay, two power output ends of the wireless receiving circuit module are respectively connected with positive power input ends of the two relays, the power input ends of the wireless receiving circuit module and the positive control power input ends of the two relays are connected, and the negative power input ends of the wireless receiving circuit module are connected with the negative power input ends and the negative control power input ends of the two relays.

4. The novel workpiece transfer truck as recited in claim 1, wherein the tilt control circuit comprises two mercury switches and a relay which are electrically connected, and the two mercury switches are respectively arranged at two sides of the upper end of the lower support plate; one end of each mercury switch is connected with the positive electrode control power supply input end of each relay, the negative electrode power supply input end of each relay is connected with the negative electrode control power supply input end of each relay, and the other end of each mercury switch is connected with the positive electrode power supply input end of each relay.

5. The novel workpiece transfer cart of claim 1, wherein the detection circuit comprises an electrically connected photoelectric switch and a relay, wherein a power output end and a negative power input end of the photoelectric switch are respectively connected with two power input ends of the relay, and a relay control power input end is connected with a positive power input end of the photoelectric switch.