CN210140170U - A rack and cargo cage transfer shuttle - Google Patents

Abstract

The utility model relates to a rack and cargo cage transfer shuttle, comprising a chassis, wheels and a lifting platform; at least one wheel is mounted on the bottom of the chassis through a driving steering mechanism, the chassis is provided with a lifting mechanism, and the lifting mechanism is connected with the lifting platform. The jacking mechanism includes a fixed base plate, a motor, a transmission shaft, a guide rod and a guide rod slider; the four guide rods are respectively matched and connected with the four guide rod sliders, and a rack is arranged on one side of the guide rod, and each transmission shaft is on the A large gear and two pinions are arranged, the pinions are meshed with the rack, the output shaft of the motor is provided with a motor gear, and the motor gear is meshed with the large gear. The utility model can meet the storage requirements of the automatic three-dimensional warehouse, can realize the overall displacement of the shelves in the three-dimensional warehouse, replaces the working mode of the traditional stacker, does not need to reserve the working channel of the stacker, and the shelves and cargo cages are densely stored , which improves the space utilization rate of the warehouse, and the efficiency of goods in and out of the warehouse is also greatly improved.

Description

A rack and cargo cage transfer shuttle

technical field

The utility model relates to a rack and cargo cage transfer shuttle, which belongs to the technical field of logistics and storage.

Background technique

Logistics and transportation play an important role in today's society, and logistics are everywhere in people's lives. Whether it is express delivery or storage and transportation of various industrial and agricultural products, an efficient logistics system is inseparable. With the development of the logistics industry, the equipment and operation modes of the logistics system are constantly updated and changed. For example, in order to improve the space utilization rate of the warehouse, an automated three-dimensional warehouse is designed. machine etc. The update of logistics equipment and management mode has greatly improved the efficiency of the logistics system, enabling the modern logistics system to meet the needs of people's production and life. However, with the development of the economy and the continuous increase in demand, more and more industries are served by the logistics system, and the pressure will also increase. Therefore, it has become very important to update the logistics equipment to improve the efficiency of the logistics system. .

The use of automated three-dimensional warehouses has greatly improved the efficiency of the warehousing link and the service capabilities of the logistics system, but it also has its own shortcomings. In the traditional automated three-dimensional warehouse, in order to store and retrieve the goods, it is necessary to use forklifts and roadway stackers to transport the goods to the designated shelves or to take out the goods from the designated shelves. Since the operation channel for the roadway stacker to access the goods is reserved, The space utilization rate of the warehouse is greatly reduced, the storage system has shortcomings such as large floor space and chaotic management, and the work efficiency of the entire system is reduced.

This topic proposes a design of a rack and cage transfer shuttle, which is used to schedule racks and cages, transport the required racks and cages to the work area, and complete the storage and retrieval of goods in the work area. , Flexible deployment of cargo cages. Since there is no need to reserve the working channel of the stacker, the shelves and cargo cages are densely stored, which greatly improves the space utilization rate of the warehouse, and the work efficiency of goods in and out of the warehouse is also improved.

Utility model content

Aiming at the deficiencies of the prior art, the utility model provides a rack and cargo cage transfer shuttle.

The technical scheme of the present utility model is as follows:

The utility model relates to a rack-cargo cage transfer shuttle, which includes a chassis, wheels and a lifting platform; at least one wheel is installed on the bottom of the chassis through a driving steering mechanism, a jacking mechanism is arranged on the chassis, and the jacking mechanism is connected with the lifting platform.

Preferably, four wheels are installed on the bottom of the chassis, two of which are driving wheels, and the other two are driven wheels. The driving wheels are mounted on the bottom of the chassis through a driving steering mechanism, and the driven wheels are mounted on the chassis through a wheel holder. bottom.

Preferably, the driven wheel is a universal wheel.

Preferably, the jacking mechanism includes a fixed base plate, a motor, a transmission shaft, a guide rod and a guide rod slider; the fixed base plate is provided with four guide rod sliders, two motors and two transmission shafts, four guide rods They are respectively connected with four guide rod sliders, and one side of the guide rod is provided with a rack, each transmission shaft is provided with a large gear and two pinions, the pinions are meshed with the rack, and the output shaft of the motor is provided with There are motor gears, which mesh with the large gears.

Preferably, the guide rod and the guide rod slider are cooperatively connected through a concave-convex structure, and the top end of the guide rod is fixedly connected with the bottom of the lifting platform. The advantage of this design is that the guide rod slider is provided with a vertical groove, and the guide rod is provided with a protrusion. After the concave and convex are matched and connected, the guide rod can slide up and down in the guide rod slider.

Preferably, the motor and the guide rod slider are mounted on the fixed base plate through bolts.

Preferably, the two ends of the transmission shaft are connected with bearings, and the bearings are mounted on the bearing seats on the fixed base plate.

Preferably, limit switches are arranged on the upper surface of the guide rod slider and the bottom of the fixed base plate, and an upper limit block and a lower limit block are arranged on the guide rod. The advantage of this design is that through the cooperation of the upper limit block, the lower limit block and the limit switch, the disengagement of the pinion and the rack or the occurrence of kinematic interference is avoided.

Preferably, the fixed bottom plate and the upper surface of the chassis are connected by bolts, and the chassis is provided with a concave cavity for the guide rod to move downward.

Preferably, the chassis is further provided with a support seat, and when the lift table falls down, the lift table falls on the support seat. The advantage of this design is that when there is cargo on the lift table, the lift table falls on the support seat, and the support seat can play a load-bearing role and share the load-bearing of the guide rod.

Preferably, the drive steering mechanism includes a drive motor, a worm gear, and a half shaft, the drive motor is connected to the half shaft through the worm gear and the worm gear, and the half shaft is connected to the wheel.

Preferably, a bearing is connected through the half shaft, and the bearing is connected to the bottom of the chassis through a fixing frame.

Preferably, a gravity sensor is arranged on the lifting platform, a controller is installed on the chassis, and the limit switch, the gravity sensor, the motor, and the driving motor are respectively connected to the controller. The advantage of this design is that the automatic operation of the shuttle is realized through the controller. The gravity sensor can know whether the weight of the carrying rack exceeds the preset range, and the walking, steering, jacking and landing of the shuttle can be realized through the preset program of the controller. .

The beneficial effects of the present utility model are:

The utility model of the rack and cargo cage transfer shuttle can meet the storage requirements of an automated three-dimensional warehouse, can realize the overall displacement of the shelves in the three-dimensional warehouse, replace the working mode of the traditional stacker, and does not need to reserve the work of the stacker. Channels, shelves, and cargo cages are densely stored, which greatly improves the space utilization rate of the warehouse, and at the same time, the work efficiency of goods in and out of the warehouse is also greatly improved.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the utility model transfer shuttle;

Fig. 2 is the structural representation of the jacking mechanism in the utility model;

Fig. 3 is the front view of the jacking mechanism in the utility model;

Fig. 4 is the top view of the jacking mechanism in the utility model;

5 is a perspective view of a chassis in the utility model;

Fig. 6 is the side view of the chassis in the utility model;

Fig. 7 is the bottom view of the chassis in the utility model;

Among them: 1-guide rod, 2-rack, 3-guide rod slider, 4-fixed base plate, 5-transmission shaft, 6-big gear, 7-bearing, 8-motor, 9-motor bolt, 10-bolt , 11- Bearing end cover, 12- Motor spacer, 13- Pinion gear, 14- Motor gear, 20- Chassis, 21- Half shaft, 22- Worm gear, 23- Drive motor, 24- Universal wheel, 25- Rear wheel, 26-bearing, 27-bearing end cap.

Detailed ways

The present utility model will be further described below by means of embodiments and in conjunction with the accompanying drawings, but not limited thereto.

Example 1:

As shown in FIG. 1 to FIG. 7 , the present embodiment provides a rack-carriage transfer shuttle, including a chassis 20, wheels and a lifting platform; at least one wheel is installed at the bottom of the chassis through a driving steering mechanism, and a jacking-up platform is provided on the chassis. mechanism, the jacking mechanism is connected with the lifting platform.

Specifically, four wheels are installed on the bottom of the chassis, two of which are driving wheels, and the other two are driven wheels. The driving wheels are mounted on the bottom of the chassis 20 through the driving steering mechanism, and the driven wheels are mounted on the chassis through the wheel cage. bottom. The driven wheel is a universal wheel, which can realize the steering of the shuttle.

The driving steering mechanism includes a driving motor 23, a worm gear 22, and a half shaft 21. The driving motor 23 is fixedly mounted on the bottom of the chassis 20 by bolts, and the output shaft of the driving motor 23 is directly connected to the worm. 26 is connected to the bottom of the chassis through the fixing frame to support and fix the half shaft, one end of the half shaft 21 is connected with the wheel, and the other end is connected with the worm gear. During operation, the output power of the driving motor 23 is transmitted to the wheel through the worm gear 22 and the half shaft 21 to make the wheel rotate. The two driving wheels are independent of each other and are driven by the two driving motors respectively. The specific structure can be seen in FIG. 5 to FIG. 7 .

The jacking mechanism includes a fixed base plate 4, a motor 8, a transmission shaft 5, a guide rod 1 and a guide rod slider 3; the fixed base plate 4 is provided with four guide rod sliders 3, two motors 8 and two transmission shafts 5, The four guide rods 1 are respectively connected with the four guide rod sliders 3, and a rack 2 is arranged on one side of the guide rod 1, and two transmission shafts 5 are installed side by side on the fixed base plate 4, and each transmission shaft 5 is provided with a A large gear 6 and two pinions 13, the pinion 13 meshes with the rack 2, the output shaft of the motor 8 is provided with a motor gear 14, and the motor gear 14 meshes with the large gear 6.

The four guide rod sliders 3 are located on the four corners of the rectangle, so the arrangement can balance the force and force. A groove is provided on one side of the guide rod 1. After the concave and convex are matched and connected, the guide rod 1 can slide up and down in the guide rod slider 3, and the other side of the guide rod 1 is fixed and installed with the rack 2 by screws.

The motor 8 and the guide rod slider 3 are fixed and installed on the fixed base plate 4 by bolts. The two motors 8 are located between the two transmission shafts 5. The two ends of the transmission shaft 5 are connected with bearings 7, and the bearings 7 are installed on the fixed base plate 4. bearing seat. The bearing seat and the bearing 7 play the role of fixedly supporting the transmission shaft 5. The large gear 6 and the pinion 13 are fixed on the transmission shaft 15 through pins. The large gear 6 is located at the center of the transmission shaft 5, and the two pinions 13 are located in Both sides of the large gear 6.

There is a concave cavity in the middle of the chassis 20. After the fixed bottom plate 4 and the upper surface of the chassis are fixedly connected by bolts, the bottom of the guide rod 1 is located in the concave cavity, so that the guide rod 1 moves up and down along the guide rod slider 3. space, the top of the guide rod 1 is directly connected with the bottom of the lifting platform by bolts.

A gravity sensor is arranged on the lifting platform, a controller is installed on the chassis, and the gravity sensor, the motor 8 and the driving motor 23 are respectively connected with the controller. The automatic operation of the shuttle is realized through the controller. The gravity sensor can know whether the weight of the carrying rack exceeds the preset range, and the walking, steering, jacking and landing of the shuttle can be realized through the preset program of the controller.

Example 2:

A rack and cargo cage transfer shuttle, the structure is as described in Embodiment 1, the difference is: limit switches are installed on the upper surface of the guide rod slider 3 and the bottom of the fixed bottom plate 4, and limit blocks are installed on the guide rod 1 and lower limit block. Through the cooperation of the upper limit block, the lower limit block and the limit switch, the disengagement of the pinion and the rack or the occurrence of kinematic interference is avoided.

The limit switch used in this embodiment is a circuit limit switch. The limit switch is connected to the controller. When the upper limit block and the lower limit block trigger the limit switch, the controller will receive the limit switch trigger signal to control the motor. Stop work to avoid excessive rise and fall of the rack.

Example 3:

A rack and cargo cage transfer shuttle, the structure is as described in Embodiment 1, the difference is that: the chassis 20 is also installed with a support seat, the support seat can be directly welded on the chassis, or can be a part of the chassis, when When the lift table falls, the lift table falls on the support base. When there is goods on the lift table, the lift table falls on the support seat, and the support seat can play a load-bearing role and share the load-bearing of the guide rod.

Example 4:

A working method for transferring a rack and cargo cage to a shuttle car, using the shuttle car described in Embodiment 1, the shuttle car is placed in a warehouse, and the specific operation includes the following steps:

(1) When starting the operation, the lift platform of the shuttle car is in a falling state, the drive motor 23 is started, and the shuttle car drives into the underside of the shelf to be moved according to the preset program;

(2) After the shuttle reaches the designated shelf, the drive motor 23 temporarily stops working, the motor 8 in the jacking mechanism starts to work, and the guide rod 1 is lifted through the transmission shaft 5, the pinion 13 and the rack 2, thereby lifting the The lifting platform rises, and the lifting platform lifts the rack; if the total amount of racks exceeds the preset value range at this time, the controller will control the motor to stop the operation and give up the lifting operation;

(3) After the lifting platform lifts the shelf, the controller controls the drive motor 23 to start again, and the shuttle starts to move. When steering is required, the controller controls one of the driving wheels to stop the operation to realize steering;

(4) After the steering is completed, the shuttle continues to move forward;

(5) When the destination is reached, the controller controls the drive motor 23 to stop the operation, the shuttle stops moving, and then the controller controls the motor 8 to start again, and the guide rod is dropped through the transmission shaft 5, the pinion 13, and the rack 2, and then Drive the lifting platform down and put the shelf down.

The shuttle car can complete the displacement of multiple shelves according to the above process. For the weight of the shelves in different warehouses, the shuttle car has a designed load-bearing range, and a suitable shuttle car can be selected for different working environments. In addition, the computer program can be entered or erased in the shuttle car controller in advance, so that the shuttle car can meet different usage requirements.

Claims (8)

1. The utility model provides a goods shelves cage moves and carries shuttle which characterized in that: comprises a chassis, wheels and a lifting platform; at least one wheel is arranged at the bottom of the chassis through a driving steering mechanism, a jacking mechanism is arranged on the chassis, and the jacking mechanism is connected with the lifting platform;

the jacking mechanism comprises a fixed bottom plate, a motor, a transmission shaft, a guide rod and a guide rod sliding block; four guide rod sliding blocks, two motors and two transmission shafts are arranged on the fixed bottom plate, the four guide rods are respectively matched and connected with the four guide rod sliding blocks, racks are arranged on one sides of the guide rods, a large gear and two small gears are arranged on each transmission shaft, the small gears are meshed with the racks, motor gears are arranged on output shafts of the motors, and the motor gears are meshed with the large gears.

2. The shelf cage transfer shuttle of claim 1 wherein: the four wheels are arranged at the bottom of the chassis, two of the wheels are driving wheels, the other two wheels are driven wheels, the driving wheels are arranged at the bottom of the chassis through a driving steering mechanism, and the driven wheels are arranged at the bottom of the chassis through a wheel retainer.

3. The shelf cage transfer shuttle of claim 1 wherein: the guide rod is connected with the guide rod sliding block in a matched mode through a concave-convex structure, and the top end of the guide rod is fixedly connected with the bottom of the lifting platform.

4. The shelf cage transfer shuttle of claim 1 wherein: two ends of the transmission shaft are connected with bearings which are arranged on bearing seats on the fixed bottom plate; the upper surface of the guide rod sliding block and the bottom of the fixed bottom plate are provided with limit switches, and the guide rod is provided with an upper limit block and a lower limit block.

5. The shelf cage transfer shuttle of claim 1 wherein: the fixed bottom plate is connected with the upper surface of the chassis through bolts, and the chassis is provided with a concave cavity for the guide rod to move downwards.

6. The rack cage transfer shuttle of claim 4 wherein: the driving steering mechanism comprises a driving motor, a worm gear and a half shaft, the driving motor is in transmission connection with the half shaft through the worm gear and the worm, and the half shaft is connected with wheels.

7. The shelf cage transfer shuttle of claim 6 wherein: the semi-axis through connection has the bearing, and the bearing passes through the mount to be connected in the chassis bottom.

8. The shelf cage transfer shuttle of claim 6 wherein: the elevating platform is provided with a gravity sensor, the chassis is provided with a controller, and the limit switch, the gravity sensor, the motor and the driving motor are respectively connected with the controller.

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