CN209721259U - Dumbwaiter - Google Patents

Abstract

The utility model discloses a small elevator, comprising a lifting frame, a counterweight mechanism, a lifting driving mechanism, a lifting car and a control mechanism; the lifting driving mechanism is composed of a lifting motor, a gear transmission assembly and a chain; the lifting car includes a car frame, an electric roller conveyor line And the electric drive mechanism; the electric roller conveyor line is installed horizontally in the frame of the trolley, and the electric drive mechanism is arranged outside the frame of the trolley and linked with the conveyor line of the electric roller; the front and rear ends of the side of the trolley frame are equipped with a The position sensor of the storage box; the lifting frame corresponds to each floor to open a door, and a position sensor for detecting the lifting trolley is set at the position of each door on the lifting frame, the lifting motor, the electric drive mechanism and each position sensor Both are electrically connected with the control mechanism. The utility model realizes automatic lifting, improves the efficiency of cargo handling between different floors, and saves labor costs.

Description

small lift

technical field

The utility model relates to the technical field of lifting equipment, in particular to a small lift.

Background technique

The handling of warehouse material boxes in existing warehouses and workshops is still manually operated. Generally, workers push the trolleys for loading. The function of the elevator is the same as that of the conventional elevator. Therefore, the goods still need to be manually moved into the freight elevator, and the person selects the floor, and then manually pushes it out from the freight elevator after reaching the designated floor. High, but there are also defects such as fragile goods and inconvenient management.

In order to overcome the above shortcomings, the inventor specially developed a small elevator to improve the handling efficiency, save labor and better protect the product, and this case arose from this.

Utility model content

The purpose of the utility model is to provide a small elevator, which realizes automatic lifting, improves the efficiency of cargo handling between different floors, and saves labor costs.

In order to achieve the above object, the technical scheme of the utility model is as follows:

Small lifts, including lifting frame, counterweight mechanism, lifting drive mechanism, lifting trolley and control mechanism;

The lifting drive mechanism is composed of a lifting motor, a gear transmission component and a chain. The lifting motor and the gear transmission component are arranged on the top of the lifting frame, and the chain is linked with the lifting motor through the gear transmission component; The top of the frame penetrates downward into the inner side of the lifting frame, and the counterweight mechanism can be moved up and down in the lifting frame and connected to one end of the chain;

The lifting trolley is arranged in the lifting frame, and the lifting trolley includes a trolley frame, an electric roller conveying line and an electric drive mechanism; the electric roller conveying line is installed horizontally in the trolley frame, and the electric driving mechanism is arranged outside the trolley frame and Linked connection with the electric drum conveyor line; the front and rear ends of the side of the trolley frame are equipped with a position sensor for detecting the warehouse material box, the left and right sides of the trolley frame are formed with baffles, and the middle of the outer sides of the baffles are installed respectively. Two chutes, slide rails are installed on the left and right sides of the lifting frame corresponding to the chute, a connecting plate is installed on the bottom of the trolley frame, and the other end of the chain is connected to the connecting plate. The cooperation of rails can move linearly up and down along the lifting frame;

The lifting frame corresponds to each floor to provide a door, and a position sensor for detecting the lifting trolley is set at the position of each door on the lifting frame. The lifting motor, the electric drive mechanism and each position sensor are all connected with the control Mechanism electrical connections.

Further, the gear transmission assembly includes a pair of driving gears with a larger diameter and a pair of driven gears with a smaller diameter. The driving gears are connected to the output shaft of the motor in linkage. On the driving gear and a driven gear, a connecting plate is respectively installed on the front and rear ends of the trolley frame bottom corresponding to the double chains.

Further, a motor mounting base is fixed on the top of the lifting frame, the lifting motor is fixed on the motor mounting base, and the two driving gears are respectively pivoted on both sides of the lifting motor.

Further, the lifting frame is equipped with fences around the positions of the exit doors of each floor.

Further, a beam is set up between the tops of the left and right baffles of the lifting trolley.

After adopting the above scheme, the process of transporting goods in the utility model is as follows:

First of all, the material box containing the goods is sent to the door of the corresponding floor by manual or AGV trolley, the AGV controller of the AGV trolley sends the corresponding signal to the control mechanism, and the control mechanism sends the control signal to the lifting motor of the lifting drive mechanism, The lifting motor runs and drives the chain to move through the gear transmission assembly. The chain pulls the lifting car to make it rise or fall along the middle slide rail. When the lifting car reaches the position of the door of the delivery floor, the position sensor there sends a detection signal to the control Mechanism, the control mechanism feeds back to the AGV controller, and the AGV controller drives its electric roller conveyor line to send the material box into the lifting trolley after receiving the signal, and the position sensor on the side of the lifting trolley detects the material box and sends the signal to the control mechanism , the control mechanism sends a control signal to the lifting motor of the lifting drive mechanism again, the lifting motor runs and drives the chain to move through the gear transmission assembly, the chain pulls the lifting trolley up or down, and the lifting trolley is delivered to the door position of the target floor. The position sensor sends a detection signal to the control mechanism, and the control mechanism controls the lifting motor to stop running. At this time, the door is opened and the control mechanism controls the electric drive mechanism of the lifting trolley to output power to the electric roller conveyor line. Through the electric roller conveyor line, the material box Delivered to the AGV trolley on the target floor, take out the material box to complete the lifting and transportation of the goods. During the up-and-down process of the above-mentioned lifting trolley, the counterweight mechanism improves the effect of auxiliary pulling or slowing down.

The beneficial effects of the utility model are: the utility model builds a lift trolley in the elevator, and the trolley automatically completes the transportation of goods between different floors without manual participation, greatly improving the handling efficiency, and cooperates with the AGV trolley in the warehouse to work , the control mechanism can obtain the movement position information of the lifting trolley and the material box from each position sensor, and can share the information with the AGV trolley to realize the linkage between the two, which can completely save manual work and save labor costs. In addition, this The utility model small price raising machine occupies a small space, can be placed in the corner of each floor, runs stably, the goods are not easy to be damaged, and is convenient for cargo handling and management.

Special instructions are required: the control mechanism adopted in the utility model adopts the existing control chip, and the control mechanism issues control instructions to the motor, so that the specific lifting action is controlled by the motor, which belongs to the mature control method in the field, and the control mechanism The installation position is not the key point of this utility model. The key of this utility model is to install a set of lifting drive mechanism on the top of the lifting frame, and use the chain to pull the lifting trolley for vertical lifting, and all processes from loading and unloading of the material box to lifting have position detection. It is detected by the machine, so as to realize fully automatic lifting and handling, saving labor costs.

Description of drawings

Fig. 1 is the general assembly drawing of the present utility model;

Fig. 2 is the lower end partial structural diagram of the utility model;

Fig. 3 is a partial structural diagram of the middle end of the utility model;

Fig. 4 is the structural representation of the lift trolley of the present utility model;

Fig. 5 is the structural representation of the AGV trolley of the present utility model;

Fig. 6 is a schematic diagram of the installation of the lifting drive mechanism of the present invention;

Fig. 7 is a structural diagram of the magazine of the utility model.

Label description

Lifting frame 1, access door 11, slide rail 12, motor mounting base 13, fence 14, lifting drive mechanism 2, motor 21, gear transmission assembly 22, driving gear 221, driven gear 222, chain 23, lifting trolley 3, trolley Frame 31, electric drum conveyor line 32, electric drive mechanism 33, chute 34, connecting plate 35, baffle plate 36, beam 37, material box 4, AGV trolley 5, wheels 51, electric drum conveyor line 52, AGV controller 53 .

Detailed ways

As shown in Figures 1-7, the small elevator disclosed by the utility model includes a lifting frame 1, a counterweight mechanism (not shown in the figure), a lifting drive mechanism 2, a lifting trolley 3 and a control mechanism (not shown in the figure) ;

The lifting drive mechanism 2 is composed of a lifting motor 21, a gear transmission assembly 22 and a chain 23. The lifting motor 21 and the gear transmission assembly 22 are arranged on the top of the lifting frame 1, and the lifting motor 21 and the gear transmission assembly 22 are arranged on the top to avoid The part of the lifting drive mechanism 2 except the chain occupies the space of the lifting frame, and the chain 23 is linked with the lifting motor 21 through the gear transmission assembly 22; , the counterweight mechanism can move up and down in the lifting frame 1 and is connected to one end of the chain 23 and connected to the other end of the chain 23;

This lifting trolley 3 is also located in the lifting frame 1, referring to Fig. 5, said lifting trolley 3 comprises a trolley frame 31, an electric roller conveying line 32 and an electric drive mechanism 33; Inside, the electric driving mechanism 33 is arranged on the outside of the trolley frame 31 and is linked with the electric roller conveying line 32. The electric driving mechanism 33 can adopt a servo motor, and the power output mode of the servo motor of the electric driving mechanism 33 can be a gear or a chain. To drive all the rollers of the electric roller conveying line 32, of course the electric drive mechanism 33 also needs to be connected with the control mechanism to obtain its control instructions. Its structure is simple and easy to install. More importantly, the motorized roller conveyor line 32 is composed of multiple side-by-side rollers, which can ensure that the material box has sufficient power all the time during the moving process, especially when the goods in the material box 4 are placed unevenly. Still keep moving, avoiding the situation that material box 4 is out of service, guarantee that elevator continues to work normally; The left and right sides of this trolley frame 31 forms baffle plate 36, also installs upper and lower two chute 34 respectively in the middle of baffle plate 36, described elevating frame 1 The slide rail 12 is installed on the left and right sides of the interior corresponding to the chute, a connecting plate 35 at the bottom of the trolley frame 31, and the other end of the chain 23 is connected to the connecting plate 35. The cooperation of 12 can move linearly up and down along lifting frame 1. The cooperation of the chute 24 and the slide rail 12 limits the lifting trolley 3 to a straight line for lifting movement, which not only improves the stability of the lifting trolley 3, but also improves its running speed; the front and rear ends of the side of the trolley frame 31 All are provided with a position sensor (not shown) for detecting magazine 4,

Described elevating frame 1 is provided with an access door 11 corresponding to each floor, and a position sensor (not shown) for detecting elevating trolley 3 is set at the position of each access door 11 on elevating frame 1, and described elevating The motor 21, the electric drive mechanism 33 and each position sensor are all electrically connected with the control mechanism, and the control mechanism is used to obtain the detection signal of the position sensor, and send control instructions to the lifting motor 21 and the electric drive mechanism 33 according to the detection signal.

Referring to Figures 2, 3, and 5, the bottom of the AGV trolley 5 described in this embodiment has wheels 51, an AGV controller 53 is installed on the side, and a set of electric roller conveyor lines is also installed in the middle, and the AGV trolley 5 is used for delivery Under normal circumstances, the AGV controller 53 controls its wheel 51 to rotate, only needs its self-guiding door 1, the AGV controller 53 controls the operation of the electric drum conveying line 52, and the material box 4 can be transported to the In the lifting trolley 3, the electric drum conveying line 32 of the lifting trolley 3 runs at the same time to receive the material box 4. After the position sensors at the front end and the rear end of the lifting trolley 3 detect that the material box 3 reaches the inside of the lifting trolley 3, the lifting trolley 3 The electric roller conveying line 32 stops running, and then enters the lifting operation stage, so the AGV trolley 5 can perform information interaction with the control mechanism of the present invention, further saving labor costs and improving handling efficiency.

When the utility model is working, firstly, the material box 4 containing the goods is sent to the door 11 of the corresponding floor by manual or AGV trolley 5, and the AGV controller 53 of the AGV trolley 5 sends a corresponding signal to the control mechanism, and the control mechanism sends a control Signal to the lifting motor 21 of the lifting drive mechanism 2, the lifting motor 21 runs and drives the chain 23 to move through the gear transmission assembly 22, the chain 23 pulls the lifting car 31 to make it rise or fall along the middle slide rail 12, and the lifting car 3 arrives At the position of the door 11 on the delivery floor, the position sensor there sends a detection signal to the control mechanism, and the control mechanism feeds back to the AGV controller 53. After receiving the signal, the AGV controller 53 drives its electric roller conveyor line 52 to send the material box 4 In the lifting trolley 3, the position sensor on the side of the lifting trolley 3 detects the material box 4 and sends the signal to the control mechanism, and the control mechanism sends the control signal again to the lifting motor 21 of the lifting drive mechanism 2, and the lifting motor 21 runs and passes the gear. The transmission component 22 drives the chain 23 to move, and the chain 23 pulls the lifting trolley up or down, and delivers the lifting trolley 3 to the door 11 of the target floor. The position sensor at the door 11 sends a detection signal to the control mechanism, and the control mechanism controls the lifting motor 21 Stop running, open the door 11 at this time, and the control mechanism controls the electric drive mechanism 33 of the lifting trolley 3 to output power to the electric roller conveying line 32, and through the electric roller conveying line 32, the material box is transported to the AGV trolley 5 on the target floor , take out the material box 4 to complete the lifting and transportation of the goods. During the up-and-down process of the above-mentioned lifting trolley 3, the counterweight mechanism improves the effect of auxiliary pulling or slowing down.

As shown in FIG. 6, the gear transmission assembly 22 includes a pair of driving gears 221 with a larger diameter and a pair of driven gears 222 with a smaller diameter. The driving gears 221 are linked to the output shaft of the lifting motor 21. Chain 23 is a double chain, and each chain 23 is engaged on a driving gear 221 and a driven gear 222 respectively, and the side front end rear end of the dolly frame 31 corresponds to installing a connecting plate 35 respectively for the double chains.

Further, the top 1 of the lifting frame is fixed with a motor mounting base 13 , the lifting motor 21 is fixed on the motor mounting base 13 , and the two driving gears 221 are pivotally arranged on both sides of the lifting motor 21 .

In order to prevent the goods in the magazine 4 from falling, it is preferable to install a fence 14 around the position of the door of each floor corresponding to the lifting frame 1 .

Preferably, a beam 37 for stabilizing the structure is erected between the tops of the left and right baffles 36 of the lifting trolley 3 .

Wherein, the above-mentioned control mechanism is an existing PLC controller, for example, it can be a PLC controller with a model of CPU226XM, and the counterweight mechanism also adopts an existing counterweight mechanism, such as the counterweight mechanism for elevators proposed by CN205471483U, which is composed of Connecting seat, sprocket wheel, the first chain, counterweight lead weight and the second chain form, and what the counterweight mechanism that this paper proposes is identical, the effect of the counterweight mechanism of the present utility model is also the self gravity of balancing lifting trolley 3 , to ensure that the lifting trolley 3 performs the lifting movement stably, and this mechanism is a common component in the field of lifting equipment.

The above are only specific embodiments of the present utility model, and are not intended to limit the protection scope of the present utility model. All equivalent changes made according to the design idea of this case fall within the scope of protection of this case.

Claims (5)

1. A small elevator, characterized in that it includes a lifting frame, a counterweight mechanism, a lifting drive mechanism, a lifting trolley and a control mechanism; The lifting drive mechanism is composed of a lifting motor, a gear transmission component and a chain. The lifting motor and the gear transmission component are arranged on the top of the lifting frame, and the chain is linked with the lifting motor through the gear transmission component; The top of the frame penetrates downward into the inner side of the lifting frame, and the counterweight mechanism can be moved up and down in the lifting frame and connected to one end of the chain; The lifting trolley is arranged in the lifting frame, and the lifting trolley includes a trolley frame, an electric roller conveying line and an electric drive mechanism; the electric roller conveying line is installed horizontally in the trolley frame, and the electric driving mechanism is arranged outside the trolley frame and Linked connection with the electric drum conveyor line; the front and rear ends of the side of the trolley frame are equipped with a position sensor for detecting the warehouse material box, the left and right sides of the trolley frame are formed with baffles, and the middle of the outer sides of the baffles are installed respectively. Two chutes, slide rails are installed on the left and right sides of the lifting frame corresponding to the chute, a connecting plate is installed on the bottom of the trolley frame, and the other end of the chain is connected to the connecting plate. The cooperation of rails can move linearly up and down along the lifting frame; The lifting frame corresponds to each floor to provide a door, and a position sensor for detecting the lifting trolley is set at the position of each door on the lifting frame. The lifting motor, the electric drive mechanism and each position sensor are all connected with the control Mechanism electrical connections. 2. The small elevator according to claim 1, wherein the gear transmission assembly includes a pair of driving gears with a larger diameter and a pair of driven gears with a smaller diameter, and the driving gears are linked to the output shaft of the motor , the chains are double chains, and each chain is meshed with a driving gear and a driven gear respectively, and a connecting plate is respectively installed on the front and rear ends of the bottom of the trolley frame corresponding to the double chains. 3. The small elevator as claimed in claim 2, characterized in that: a motor mounting seat is fixed on the top of the lifting frame, the lifting motor is fixed on the motor mounting seat, and the two driving gears are respectively pivoted on the lifting motor on both sides. 4. The small elevator according to claim 1, characterized in that: said lifting frame is equipped with a fence around the position of the exit door of each floor. 5. The small elevator according to claim 1, characterized in that: a beam is erected between the tops of the left and right baffles of the lifting trolley.