CN216072918U - Lifting unit and logistics elevator - Google Patents

Abstract

The utility model provides a lifting unit and a logistics lifter, relates to the technical field of logistics equipment, and aims to solve the problem that the existing logistics lifter is difficult to accurately control the lifting height. The lifting unit comprises a base, a lifting oil cylinder and a lifting platform, wherein the lifting platform comprises a lifting body and a horizontal transmission unit arranged on the lifting body; one of a cylinder body and a piston rod of the lifting oil cylinder is connected with the base, and the other is connected with the lifting body; the horizontal transmission unit is configured to carry the cargo and drive the cargo to move in a first horizontal direction. The logistics elevator comprises the lifting unit. The utility model can accurately control the jacking height, and can provide a power source for horizontal movement of goods to realize the horizontal movement of the goods.

Description

Lifting unit and logistics elevator

Technical Field

The utility model relates to the technical field of logistics equipment, in particular to a lifting unit and a logistics lifter.

Background

At present, a plurality of lifting type operation devices are available on the market, most of the lifting type operation devices are scissor type lifting structures, and compared with other lifting structures, the scissor type lifting devices are more complex in structure, larger in size and more in occupied space under the condition that the loads are the same.

For example, in a related art, a ball hydraulic lifting work platform is provided, in which a hydraulic cylinder is used to drive a scissor-type frame to achieve a lifting effect, wherein balls are embedded in the lifting work platform, and horizontal movement of goods is achieved through the balls. However, the scissor-fork structure is difficult to accurately control the jacking height, the balls do not have a power source, extra power needs to be provided for goods to enable the goods to move on the balls, and the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

The first purpose of the present invention is to provide a lifting unit, so as to solve the technical problem that the existing logistics elevator is difficult to achieve precise control of the jacking height.

The utility model provides a lifting unit, which comprises a base, a lifting oil cylinder and a lifting platform, wherein the lifting platform comprises a lifting body and a horizontal transmission unit arranged on the lifting body; one of a cylinder body and a piston rod of the lifting oil cylinder is connected with the base, and the other is connected with the lifting body; the horizontal transmission unit is configured to carry cargo and drive the cargo to move in a first horizontal direction.

Further, the horizontal transmission unit comprises a driving motor and a plurality of transmission wheels arranged along the first horizontal direction, the driving motor is mounted on the lifting body, and the plurality of transmission wheels are rotatably arranged on the lifting body, wherein the driving motor is in transmission connection with the plurality of transmission wheels and is used for driving the plurality of transmission wheels to rotate; the drive wheel is configured to carry the goods.

Furthermore, the horizontal transmission unit further comprises a driving chain wheel, a driven chain wheel and a plurality of transmission chains, wherein the driven chain wheel is coaxially fixed on each transmission wheel, and any two adjacent driven chain wheels are in transmission connection through the transmission chains; the driving chain wheel is fixedly sleeved on a motor shaft of the driving motor, and the driving chain wheel is in transmission connection with at least one driven chain wheel through the transmission chain.

Further, one of the lifting body and the base is fixedly connected with a balance rod, the other is fixedly provided with a sleeve, and the balance rod is in sliding fit with the sleeve.

Further, the base is provided with an upper limiting element and a lower limiting element at intervals along the vertical direction, the lifting body is fixedly provided with a stopper, and the upper limiting element and the lower limiting element are configured to limit the lifting stroke of the lifting body.

Further, the lifting body is provided with a first detection element, and the first detection element is configured to detect whether the goods enter the lifting platform.

Furthermore, a first locking device and a second locking device are respectively installed at two ends of the lifting body along the first horizontal direction, wherein the first locking device and the second locking device are respectively provided with a locking position extending into the horizontal moving path of the goods and an unlocking position exiting from the horizontal moving path of the goods; the first locking device or the second locking device is provided with a second detection element configured to detect whether the cargo is completely carried on the horizontal transmission unit.

The lifting unit of the utility model has the following beneficial effects:

the lifting unit mainly comprises a base, a lifting oil cylinder and a lifting platform, wherein the lifting unit comprises a lifting body and a horizontal transmission unit, and the horizontal transmission unit is arranged on the lifting body and used for bearing goods and driving the goods to move along a first horizontal direction; the cylinder body of the lifting oil cylinder is connected with the base, and the piston rod is connected with the lifting body, or the cylinder body of the lifting oil cylinder is connected with the lifting body, and the piston rod is connected with the base.

The above-mentioned lifting unit is applied to a logistics elevator as an example, wherein, during the use of the logistics elevator, the goods flow in the first horizontal direction. When goods are to be transferred to the position of the logistics elevator, the horizontal transmission unit drives the goods to move along a first horizontal direction; when the goods move horizontally to the right position, the lifting oil cylinder can work to drive the goods to ascend or descend, so that the goods are positioned at the position with the same height as the next station, and then the horizontal transmission unit continues to act to enable the goods to flow to the next station.

This lift unit utilizes lift cylinder drive lift body to go up and down, utilizes lift cylinder can bear the characteristic of heavy load, guarantees to realize the heavy load and goes up and down under simple structure's the condition, and in addition, lift cylinder's lift stroke direct reflection is the height that the goods rises and descends to can realize the accurate control to the jacking height. In addition, through setting up horizontal drive unit at the lift body, can also provide horizontal migration's power supply for the goods, realize the horizontal migration of goods, make this lift unit possess the function of automatic circulation, the circulation of the goods of being convenient for at the commodity circulation production line is particularly useful for the automatic circulation of goods between the co-altitude station of difference.

The second purpose of the present invention is to provide a logistics elevator, so as to solve the technical problem that the existing logistics elevator is difficult to accurately control the jacking height.

The logistics elevator comprises a hydraulic system and the lifting units, wherein the plurality of lifting units are dispersedly distributed along a second horizontal direction, and driving wheels of the plurality of lifting units bear cargos together, wherein the hydraulic system is configured to control lifting oil cylinders of the lifting units; the second horizontal direction is at an angle to the first horizontal direction.

Further, the number of the lifting units is two, the driving wheel comprises a wheel body and flanges arranged along the circumferential direction of the wheel body, an accommodating part is formed between the flanges of the driving wheel of the two lifting units, the goods are located in the accommodating part, and the flanges are configured to prevent the goods from being separated from the logistics elevator along the second horizontal direction.

Furthermore, the hydraulic system, the driving motor of the lifting unit, the upper limit element, the lower limit element, the first detection element, the second detection element, the power element of the first locking device and the power element of the second locking device are all electrically connected with the controller of the logistics elevator.

The logistics elevator has the beneficial effects that:

by arranging the lifting unit in the logistics elevator, the logistics elevator has all the advantages of the lifting unit, and therefore, the details are not repeated.

In addition, through set up two above-mentioned lift units in the commodity circulation lift to the while realizes bearing and transporting to the goods, on the one hand, can guarantee the equilibrium of goods both sides atress, thereby guarantee horizontal migration's stability, on the other hand can also utilize two lift units to all carry the gravity of goods, avoids because of unilateral lift unit load is great. And the hydraulic system can also realize the control of the lifting cylinders of the two lifting units.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a logistics elevator provided in an embodiment of the utility model;

fig. 2 is a schematic view of a logistics elevator provided by an embodiment of the utility model when loaded with goods;

fig. 3 is a schematic structural diagram of a lifting unit according to an embodiment of the present invention;

FIG. 4 is an enlarged view of a portion of the structure at A in FIG. 3;

fig. 5 is a schematic structural diagram of a first locking device of a lifting unit according to an embodiment of the present invention.

Description of reference numerals:

010-a lifting unit; 020-goods shelf; 030-hydraulic system;

100-a base; 200-a lifting oil cylinder; 300-a lifting platform;

110-a sleeve; 120-an upper limiting element; 130-a lower limit element;

310-a lifting body; 320-a horizontal transmission unit; 330-balance bar; 340-a first locking means; 350-a second locking device; 360-a second detection element;

321-a drive motor; 322-a transmission wheel; 323-a drive sprocket; 324-a driven sprocket; 325-active chain; 326-a driven chain;

3221-wheel body; 3222-a raised edge;

341-cylinder; 342-a rotating arm; 343-a stop; 344-a stop lever; 345-a bump; 346-stop bolt.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Fig. 1 is a schematic structural diagram of the logistics elevator provided in this embodiment, and fig. 2 is a schematic structural diagram of the logistics elevator provided in this embodiment when a cargo is loaded on the logistics elevator. As shown in fig. 1 and 2, the present embodiment provides a logistics elevator, which includes a hydraulic system 030 and two lifting units 010. Wherein the goods are goods shelves 020.

Fig. 3 is a schematic structural diagram of the lifting unit 010 provided in this embodiment. Referring to fig. 1 and fig. 2 in combination with fig. 3, specifically, the lifting unit 010 includes a base 100, a lifting cylinder 200, and a lifting platform 300, wherein the lifting platform 300 includes a lifting body 310 and a horizontal transmission unit 320 disposed on the lifting body 310; the cylinder body of the lifting cylinder 200 is connected with the base 100, and the piston rod is connected with the lifting body 310; the horizontal transfer unit 320 is configured to carry the pallet 020 and drive the pallet 020 to move in the first horizontal direction.

With reference to fig. 1 and fig. 2, in the logistics elevator, the two lifting units 010 are distributed along the second horizontal direction, and the driving wheels 322 of the two lifting units 010 jointly carry the goods shelf 020; the hydraulic system 030 is configured to control the lift cylinders 200 of the respective lift units 010; the second horizontal direction is perpendicular to the first horizontal direction. In the figure, the direction indicated by the arrow ab is a first horizontal direction, and the direction indicated by the arrow cd is a second horizontal direction.

During the use process of the logistics elevator, the goods shelf 020 circulates along the first horizontal direction. When the shelf 020 is about to flow to the position of the logistics elevator, the horizontal transmission unit 320 drives the shelf 020 to move along the first horizontal direction; after the goods shelf 020 moves horizontally to the right position, the lifting oil cylinder 200 can work to drive the goods shelf 020 to ascend or descend, so that the goods shelf 020 is located at the position which is as high as the next station, and then the horizontal transmission unit 320 continues to act, so that the goods shelf 020 is transferred to the next station.

This lifting unit 010 utilizes lift cylinder 200 drive lift body 310 to go up and down, utilizes the characteristic that lift cylinder 200 can bear the heavy load, guarantees to realize heavy load and goes up and down under simple structure's the circumstances, and in addition, lift stroke direct reflection of lift cylinder 200 is for the height that goods shelves 020 rises and descends to can realize the accurate control to the jacking height. In addition, through setting up horizontal transmission unit 320 at lift body 310, can also realize goods shelves 020' horizontal migration for goods shelves 020 provides the power supply of horizontal migration, make this lift unit 010 possess the function of automatic circulation, the circulation of goods shelves 020 in the commodity circulation production line of being convenient for is particularly useful for the automatic circulation of goods shelves 020 between the co-altitude station.

By providing the lifting unit 010 in the logistics elevator, the logistics elevator has all the advantages of the lifting unit 010, and therefore, the details are not repeated herein.

In addition, through set up two above-mentioned lift units 010 in the commodity circulation lift to realize bearing and transporting of goods shelves 020 simultaneously, on the one hand, can guarantee the equilibrium of goods shelves 020 both sides atress, thereby guarantee horizontal migration's stability, on the other hand can also utilize two lift units 010 to all carry the gravity of goods shelves 020, avoids because of unilateral lift unit 010 load is great. In addition, the hydraulic system 030 can control the lift cylinders 200 of the two lift units 010.

In other embodiments, the lifting units 010 in the logistics elevator can be in other numbers, as long as the logistics elevator can realize horizontal transmission and lifting of the goods shelf 020. Also, the second horizontal direction may be at other angles to the first horizontal direction.

It should be noted that the present embodiment is only exemplified by using goods as the goods shelf 020, and it is understood that the goods may also be other goods, such as: the cargo box and the like are described herein with the goods shelf 020 being used as an example, and should not be construed as limiting the present invention.

It should be noted that, in the present embodiment, the cylinder body of the lift cylinder 200 may be connected to the base 100, and the piston rod may be connected to the lift body 310, but the present invention is not limited thereto, and other arrangements may also be adopted, such as: the lifting cylinder 200 having a cylinder body connected to the lifting body 310 and a piston rod connected to the base 100 is provided in an inverted arrangement, which can also perform the lifting and lowering of the lifting body 310.

Referring to fig. 3, in the present embodiment, the horizontal transmission unit 320 may include a driving motor 321 and a plurality of transmission wheels 322 arranged along the first horizontal direction, specifically, the driving motor 321 is installed on the lifting body 310, and the plurality of transmission wheels 322 are rotatably disposed on the lifting body 310, wherein the driving motor 321 is in transmission connection with the plurality of transmission wheels 322 and is used for driving the plurality of transmission wheels 322 to rotate; the drive wheel 322 is configured to carry a shelf 020.

When the goods shelf 020 is about to flow to the position of the logistics elevator, the driving motor 321 is started to drive the plurality of driving wheels 322 to rotate; when the goods shelf 020 is circulated to the driving wheel 322 and supported by the driving wheel 322, the driving wheel 322 drives the goods shelf 020 to move along the first horizontal direction, and the automatic circulation of the goods shelf 020 is realized. The arrangement form of the horizontal transmission unit 320 is not only simple in structure, but also can realize the smooth movement of the goods shelf 020.

With reference to fig. 3, the horizontal transmission unit 320 may further include a driving sprocket 323, a driven sprocket 324 and a plurality of transmission chains, wherein each transmission wheel 322 is coaxially fixed with the driven sprocket 324, and any two adjacent driven sprockets 324 are in transmission connection through the transmission chains; the driving sprocket 323 is fixedly sleeved on a motor shaft of the driving motor 321, and the driving sprocket 323 is in transmission connection with at least one driven sprocket 324 through a transmission chain.

Specifically, in this embodiment, the plurality of transmission chains include a driving chain 325 and a plurality of driven chains 326, each transmission wheel 322 is coaxially fixed with a plurality of driven sprockets 324, wherein the driving chain 325 is sleeved on two adjacent driven sprockets 324; any adjacent two of the other driven chain wheels 324 are in transmission connection through a driven chain 326; the driving sprocket 323 is in meshing transmission with the driving chain 325.

When the driving motor 321 is started, the driving sprocket 323 fixedly sleeved on the motor shaft is driven to rotate, the driving sprocket 323 transmits power to the driving chain 325 meshed with the driving sprocket 323, and the driving chain 325 drives the driven sprocket 324 meshed with the driving sprocket to rotate, so that the driving wheel 322 corresponding to the driven sprocket 324 rotates; meanwhile, the driven chain wheel 324 coaxially fixed with the driving wheel 322 transmits power to other driving wheels 322 through the driven chain 326, so that the rotation of all the driving wheels 322 is realized, and the driving of the goods shelf 020 is realized.

The arrangement form of the horizontal transmission unit 320 can realize simultaneous driving of the plurality of transmission wheels 322 by using one driving motor 321, thereby not only reducing the cost of the horizontal transmission unit 320, but also ensuring the rotation synchronism of the transmission wheels 322 and further ensuring the stability of the goods shelf 020 in the circulation process. In addition, the sprocket meshes with the chain to realize the driven form, can bear great load to the bearing capacity of this embodiment lifting unit 010 has been improved.

In other embodiments, the sprocket and chain transmission may also be a belt pulley and synchronous belt transmission, and the working principle thereof is similar to the above sprocket and chain transmission, so that the details are not repeated by the characters and the drawings.

Fig. 4 is an enlarged view of a portion of a structure shown in fig. 3. With continuing reference to fig. 2 and fig. 3, and with reference to fig. 4, in the present embodiment, the driving wheel 322 includes a wheel body 3221 and ribs 3222 disposed along a circumferential direction of the wheel body 3221, a receiving portion is formed between the ribs 3222 of the driving wheel 322 of the two lifting units 010, the goods shelf 020 is located in the receiving portion, and the ribs 3222 are configured to prevent the goods shelf 020 from falling off the logistics elevator in the second horizontal direction.

Through setting up flange 3222 in wheel body 3221's of drive wheel 322 circumference for drive wheel 322 is unilateral rim structure, in goods shelves 020's transportation process, this kind of unilateral rim structure can prevent goods shelves 020 on the one hand and break away from the commodity circulation lift along the second horizontal direction, guarantee the stability in goods shelves 020 transmission process, on the other hand, can also lead for goods shelves 020's transportation process, guarantee goods shelves 020's horizontal movement, thereby guarantee the reliability of goods shelves 020 next station circulation.

It should be noted that the retaining edge 3222 may be continuously arranged along the circumferential direction of the wheel body 3221 as shown in fig. 4, and may of course be discontinuously arranged along the circumferential direction of the wheel body 3221.

Referring to fig. 3, in the present embodiment, the balance bar 330 is fixedly connected to the lifting body 310, and the sleeve 110 is fixedly disposed on the base 100, wherein the balance bar 330 is slidably engaged with the sleeve 110.

So set up, not only can realize the direction to the lift body 310 rise with the decline in-process, guarantee the smooth and easy nature that lift body 310 rises and descends, moreover, can also play the balanced action to lift body 310, prevent that the part of lift body 310 from upwarping and sinking to the level when guaranteeing that lift body 310 bears goods shelves 020.

In other embodiments, the balance bar 330 may be fixedly connected to the base 100, and the sleeve 110 may be fixedly connected to the lifting body 310.

Referring to fig. 3, in the present embodiment, the upper limit element 120 and the lower limit element 130 are installed on the base 100 at intervals along the vertical direction, and the lifting body 310 is fixedly installed with a stopper, wherein the upper limit element 120 and the lower limit element 130 are configured to limit the lifting stroke of the lifting body 310.

So set up, can realize the restriction to the lift stroke of lift body 310 to avoid because of the lift body 310 rises too high or descends the situation that the unable smooth circulation of goods shelves 020 that leads to excessively low.

Specifically, in the present embodiment, a first detection element may be installed on the lifting body 310, wherein the first detection element is configured to detect whether the shelf 020 enters the lifting platform 300.

Through setting up first detecting element, can realize getting into lift platform 300's real-time detection to goods shelves 020 for just getting into lift platform 300 back at goods shelves 020, alright control driving motor 321 starts with drive goods shelves 020 horizontal motion, thereby has improved goods shelves 020's circulation speed.

In this embodiment, the first detection element may be an infrared sensor.

Referring to fig. 3, in the present embodiment, the first locking device 340 and the second locking device 350 are respectively installed at two ends of the lifting body 310 along the first horizontal direction, and specifically, the first locking device 340 and the second locking device 350 both have a locking position extending into the horizontal moving path of the rack 020 and an unlocking position exiting from the horizontal moving path of the rack 020, wherein the first locking device 340 or the second locking device 350 is provided with the second detecting element 360, and the second detecting element 360 is configured to detect whether the rack 020 is completely carried on the horizontal transmission unit 320.

In this embodiment, the second locking device 350 is located downstream of the first locking device 340 in the circulation direction of the shelf 020; the second detecting element 360 is disposed on the second locking device 350.

During the horizontal movement of the shelf 020, for example, during the horizontal movement of the shelf 020 from arrow a to arrow b (from left to right in the figure), the first locking device 340 may be first in the unlocking position and the second locking device 350 may be in the locking position; when the goods shelf 020 moves horizontally to the second locking position and is blocked by the second locking device 350, the goods shelf 020 moves in place; then, the first locking device 340 is in a locking position, so that the goods shelf 020 is limited between the first locking device 340 and the second locking device 350; in the process, after the second detection element 360 detects that the goods shelf 020 moves in place, the lifting oil cylinder 200 can act to drive the goods shelf 020 to ascend and descend.

Through setting up first locking device 340 and second locking device 350, can realize the spacing locking to goods shelves 020 along first horizontal direction, prevent that goods shelves 020 from breaking away from lift platform 300 along first horizontal direction in rising or decline process.

Fig. 5 is a schematic structural diagram of the first locking device 340 of the lifting unit 010 according to this embodiment. As shown in fig. 5, the first locking device 340 includes a cylinder 341, a rotating arm 342, and a stopper 343, wherein a cylinder body of the cylinder 341 is mounted on the lifting body 310, and a piston rod of the cylinder 341 is in transmission connection with the rotating arm 342 for driving the rotating arm 342 to swing; the stopper 343 is fixedly connected to the rotating arm 342.

When the first locking device 340 needs to be in the locking position, the piston rod of the air cylinder 341 can be extended to drive the rotating arm 342 to swing, so that the stopper 343 is in a position capable of blocking the movement of the shelf 020, and the switching from the first locking device 340 to the locking position is realized; conversely, when the first locking device 340 needs to be in the unlocking position, the piston rod of the air cylinder 341 can be retracted to drive the rotating arm 342 to swing reversely, so that the stop 343 is in a position where it does not block the movement of the shelf 020, and the switching of the first locking device 340 to the unlocking position is realized.

The way how the piston rod of the cylinder 341 is in transmission connection with the rotating arm 342 to achieve the swing driving of the rotating arm 342 is well known in the prior art, and this embodiment does not improve this technology, so further description is omitted.

Referring to fig. 5, in the present embodiment, the first locking device 340 may further include a limiting rod 344, a protrusion 345 and a limiting bolt 346, wherein the limiting rod 344 is fixedly connected to the rotating arm 342; the protrusion 345 is fixedly disposed opposite to the elevating body 310; the stopper bolt 346 is mounted to the stopper rod 344.

When the cylinder 341 drives the rotating arm 342 to swing by a set angle, the limiting bolt 346 will abut against the protrusion 345, and at this time, the rotating arm 342 swings in place and does not swing any more. So set up, realized the restriction to the swing stroke of rotating arm 342 to avoided the interference that rotating arm 342 caused goods shelves 020. In this embodiment, the setting angle may be 90 °.

It should be noted that in this embodiment, the structure and the operation principle of the second locking device 350 are the same as those of the first locking device 340, and therefore, the detailed description thereof is omitted.

In this embodiment, both the upper limit element 120 and the lower limit element 130 may be proximity switches, and the second detecting element 360 may be a proximity switch. Of course, in other embodiments, the upper limit element 120 and the lower limit element 130 may also be mechanical limit structures.

In this embodiment, the hydraulic system 030, the driving motor 321, the upper limit component 120, the lower limit component 130, the first detection element, the second detection element 360, the cylinder 341 of the first locking device 340, and the cylinder 341 of the second locking device 350 are all electrically connected to the controller of the material flow elevator.

The logistics elevator works as follows.

A horizontal transmission stage: when goods shelf 020 passes through the assembly line transmission to the left side of commodity circulation lift, detect goods shelf 020 through first detecting element, first detecting element exports corresponding detected signal to the controller, control driving motor 321 by the controller and start, drive the drive sprocket 323 that overlaps with the motor shaft fixing of driving motor 321 and rotate, drive sprocket 323 will rotate transmission to driven sprocket 324 through drive chain 325, and then drive the transmission wheel 322 rotation of coaxial fixed with it by driven sprocket 324, and simultaneously, above-mentioned driven sprocket 324 drives other driven sprockets 324 through driven chain 326 and rotates, thereby drive unilateral transmission wheel 322 and rotate together, realize the removal of goods shelf 020 on transmission wheel 322. In the above process, the first locking device 340 is in the unlocked position and the second locking device 350 is in the locked position.

When the goods shelf 020 is moved to the right side of the logistics elevator, the second detection element 360 arranged on the second locking device 350 detects that the goods shelf 020 is moved in place, and outputs a signal to the controller, so that the controller controls the driving motor 321 to stop working, and meanwhile, the controller controls the air cylinders 341 of the first locking devices 340 of the two lifting units 010 to act so as to drive the corresponding rotating arms 342 to swing upwards by 90 degrees, so that the two first locking devices 340 are in the locking positions, and the locking of the goods shelf 020 is completed by the matching of the two first locking devices 340 and the two second locking devices 350.

Lifting: after the actions are completed, the controller sends a control signal to the hydraulic system 030 to drive the piston rods of the hydraulic cylinders on the two sides to extend out to drive the lifting platform 300 to ascend or descend, and in the process, the balance rod 330 is matched with the sleeve 110 to ensure the balance of the lifting platform 300; when the stopper of the lifting platform 300 is in contact with the upper limit position element 120/the lower limit position element 130, the controller receives a stop signal, and feeds back the stop signal to the hydraulic system 030, so that the hydraulic oil cylinder is controlled to stop ascending/descending, at the moment, the lifting platform 300 is lifted in place, the second locking device 350 releases the limitation on the goods shelf 020, the driving motor 321 is started, the horizontal transmission unit 320 is used for driving the goods shelf 020 to move, the goods shelf 020 is separated from the logistics elevator, and circulation of the goods shelf 020 is realized.

This commodity circulation lift can realize the automatic circulation of goods shelves 020 in the assembly line, and degree of automation is higher.

It should be noted that how to output the corresponding signal to the controller and utilize the controller to perform feedback adjustment on the corresponding component is a prior art well known to those skilled in the art, and this embodiment does not improve this, and therefore, the details are not described again.

Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the utility model as defined in the appended claims.

Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

In the above embodiments, descriptions of orientations such as "up", "down", "left", "right", and the like are based on the drawings.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A lifting unit is characterized by comprising a base (100), a lifting oil cylinder (200) and a lifting platform (300), wherein the lifting platform (300) comprises a lifting body (310) and a horizontal transmission unit (320) arranged on the lifting body (310); one of a cylinder body and a piston rod of the lifting oil cylinder (200) is connected with the base (100), and the other is connected with the lifting body (310); the horizontal transmission unit (320) is configured to carry cargo and drive the cargo to move in a first horizontal direction.

2. The lifting unit according to claim 1, wherein the horizontal transmission unit (320) comprises a driving motor (321) and a plurality of transmission wheels (322) arranged along the first horizontal direction, the driving motor (321) is mounted on the lifting body (310), the plurality of transmission wheels (322) are rotatably disposed on the lifting body (310), wherein the driving motor (321) is in transmission connection with the plurality of transmission wheels (322) for driving the plurality of transmission wheels (322) to rotate; the drive wheel (322) is configured to carry the goods.

3. The lifting unit according to claim 2, wherein the horizontal transmission unit (320) further comprises a driving sprocket (323), a driven sprocket (324) and a plurality of transmission chains, wherein each transmission wheel (322) is coaxially fixed with the driven sprocket (324), and any two adjacent driven sprockets (324) are in transmission connection through the transmission chains; the driving chain wheel (323) is fixedly sleeved on a motor shaft of the driving motor (321), and the driving chain wheel (323) is in transmission connection with at least one driven chain wheel (324) through the transmission chain.

4. Lifting unit according to any of claims 1-3, characterized in that a balancing bar (330) is fixedly connected to one of the lifting body (310) and the base (100), and a sleeve (110) is fixedly arranged on the other, the balancing bar (330) being in sliding fit with the sleeve (110).

5. The elevating unit according to any one of claims 1 to 3, wherein the base (100) is installed with an upper limit position element (120) and a lower limit position element (130) at an interval in a vertical direction, the elevating body (310) is fixedly installed with a stopper, and the upper limit position element (120) and the lower limit position element (130) are configured to limit an elevating stroke of the elevating body (310).

6. Lifting unit according to any of claims 1-3, characterized in that the lifting body (310) is fitted with a first detection element configured to detect whether the goods enter the lifting platform (300).

7. The lifting unit according to any of claims 1-3, characterized in that the lifting body (310) is provided with a first locking device (340) and a second locking device (350) at both ends in the first horizontal direction, respectively, wherein the first locking device (340) and the second locking device (350) each have a locked position protruding into the horizontal movement path of the load and an unlocked position exiting the horizontal movement path of the load; the first locking device (340) or the second locking device (350) is provided with a second detection element (360), the second detection element (360) being configured to detect whether the cargo is completely carried on the horizontal transfer unit (320).

8. A logistics elevator, characterized by comprising a hydraulic system (030) and a plurality of the lifting units of any of claims 1-7, the plurality of lifting units being distributed along the second horizontal direction, the drive wheels (322) of the plurality of lifting units carrying cargo together, wherein the hydraulic system (030) is configured to control the lift cylinders (200) of each of the lifting units; the second horizontal direction is at an angle to the first horizontal direction.

9. The logistics elevator of claim 8, wherein the number of the lifting units is two, the driving wheel (322) comprises a wheel body (3221) and a rib (3222) arranged along the circumferential direction of the wheel body (3221), a receiving portion is formed between the ribs (3222) of the driving wheel (322) of the two lifting units, the goods is located in the receiving portion, and the rib (3222) is configured to prevent the goods from leaving the logistics elevator along the second horizontal direction.

10. The logistics elevator of claim 8, wherein the hydraulic system (030) and the drive motor (321), the upper limit element (120), the lower limit element (130), the first detection element, the second detection element (360), the power element of the first locking device (340), and the power element of the second locking device (350) of the elevator unit are electrically connected with a controller of the logistics elevator.

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