Multifunctional logistics transportation loading and unloading device

Abstract

The utility model discloses a multifunctional logistics transportation loading and unloading device, which belongs to the technical field of loading and unloading equipment, and comprises a first cart, two lifting components and a second cart, the first cart comprises a first bottom plate and a plurality of trundles, each lifting component comprises a first support plate, a lifting rod and a lifting plate, a first track is arranged on the lifting plate, and a second track is arranged on the second support plate. The second cart comprises a second bottom plate, a second side plate and a side batten, and first rolling wheels are arranged on the lower surface of the side batten. According to the utility model, the carrying and unloading transportation work combining vertical displacement and horizontal displacement of the whole cart is realized, the flexibility of the cart is increased, the investment of labor cost is reduced, the transportation efficiency is improved, and the transportation cost of goods is saved; the safety of the cart in the transportation process can be greatly improved through the anti-tilting device; whether the remaining space reserved in the first cart is used after the second cart is lifted or not can be determined according to the cargo transportation amount.

Description

Technical Field

[0001] The utility model belongs to the technical field of loading and unloading equipment, and in particular relates to a multifunctional logistics transportation loading and unloading device. Background Art

[0002] During the transportation of goods, goods often need to be loaded and unloaded. Loading and unloading is one of the main modes of logistics transportation and a key step in determining whether the logistics transportation proceeds smoothly. Loading and unloading usually includes two forms of movement: vertical displacement and horizontal displacement, among which vertical displacement is the main one.

[0003] Trolleys are currently one of the primary tools used in logistics and distribution for loading and unloading. They are relatively simple in structure and have a single function. They can generally only be used flat on the ground to move goods horizontally, making them inflexible. For loading and unloading that primarily requires vertical movement, manual labor is often required to move the goods, making them inconvenient. Utility Model Content

[0004] The technical problem solved by the utility model is to provide a multifunctional logistics transportation loading and unloading device to realize vertical displacement and horizontal displacement of goods on a cart.

[0005] Technical solution: In order to solve the above technical problems, the technical solution adopted by this utility model is as follows:

[0006] A multifunctional logistics transportation and loading and unloading device includes a first cart, two lifting assemblies symmetrically arranged on the first cart, and a second cart movably connected to the lifting assemblies, the first cart includes a first base plate and a plurality of casters for supporting the first base plate, the lifting assembly includes a first support plate arranged on the first base plate, a lifting rod arranged on the first support plate, and a lifting plate connected to the lifting rod, a first track is provided on the lifting plate, the second cart includes a second base plate, a second side plate arranged on the second base plate, and a side strip arranged on the second side plate, and the lower surface of the side strip is provided with a first roller corresponding to the first track.

[0007] Furthermore, the first cart also includes a first box body arranged on the first bottom plate, the first box body includes three first fixed side panels and a first movable side panel movably connected to the first fixed side panel, the lower end of the first movable side panel is rotatably connected to the first fixed side panel via a first rotating shaft, the first fixed side panel and the first movable side panel are provided with a latch assembly for preventing the first movable side panel from rotating, the latch assembly includes a latch rod rotatably connected to the first fixed side panel and a first L-shaped block arranged on the first movable side panel and corresponding to the latch rod.

[0008] Furthermore, a second track is provided on the first bottom plate, a second roller corresponding to the second track is provided on the second bottom plate, and a third track corresponding to the second track is provided on the first movable side plate.

[0009] Furthermore, a locking assembly is provided on the lifting plate, and the locking assembly includes a stopper and an electromagnet provided on the stopper.

[0010] Furthermore, a control box is provided on the first box body, and the lifting rod and the electromagnet are electrically connected to the control box.

[0011] Furthermore, the side strip is provided with a limiting push handle assembly, which includes a push handle rod movably connected to the side strip and a second L-shaped block arranged on the side strip and corresponding to the push handle rod, and the lifting plate is provided with a limiting hole corresponding to the push handle rod.

[0012] Furthermore, the side strip is provided with a limiting bolt, the push handle rod is provided with an adjustment slot corresponding to the limiting bolt, and the limiting bolt passes through the adjustment slot.

[0013] Furthermore, an anti-tilt assembly is provided on the first base plate, and the anti-tilt assembly includes an anti-tilt sensor provided on the lower surface of the first base plate and a telescopic leg electrically connected to the anti-tilt sensor.

[0014] Furthermore, the telescopic leg includes a telescopic rod and a channel steel block.

[0015] Beneficial effects: Compared with the prior art, the utility model has the following advantages:

[0016] 1. Through the first trolley, the second trolley and the lifting assembly, the lifting assembly lifts the second trolley on the first trolley according to different handling height requirements to achieve vertical displacement of the goods. The second trolley can be pushed out and in on the first trolley by using the tracks provided on the lifting plate and the first bottom plate in conjunction with the rollers on the second trolley, thus achieving the loading and unloading transportation work of combining the vertical and horizontal displacements of the entire trolley, increasing the flexibility of the trolley, reducing the investment in labor costs, improving transportation efficiency, and saving the transportation costs of goods;

[0017] 2. The anti-tilt device can greatly increase the safety of the cart during transportation and prevent the cart from overturning due to improper placement of goods during transportation and loading and unloading. The locking component and the limit push handle component can stabilize the second cart. The rubber anti-collision pad and rubber protective pad can effectively reduce the shaking of the second cart, avoiding the shaking of the cart during movement and causing damage to the goods, thereby improving the safety and stability during transportation.

[0018] 3. The lifting assembly can also be used to decide whether to use the remaining space in the first cart after the second cart is lifted according to the cargo transportation volume. The use of the lifting assembly and the second cart can also be decided based on whether there is vertical displacement transportation. This increases the flexibility of the cart according to actual usage and improves the efficiency of cargo loading and unloading. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic structural diagram of a first trolley and a lifting assembly according to an embodiment of the present utility model;

[0020] Figure 2 A schematic diagram of the telescopic leg structure of an embodiment;

[0021] Figure 3 Schematic diagram of the external structure of the embodiment;

[0022] Figure 4 for Figure 1 Enlarged view of point A in the middle;

[0023] Figure 5 for Figure 1 Enlarged view of point B in the middle;

[0024] Figure 6 A schematic diagram of a lifting assembly according to an embodiment;

[0025] Figure 7 This is a schematic structural diagram of a locking assembly according to an embodiment;

[0026] Figure 8 is a schematic structural diagram of a second cart in the embodiment;

[0027] Figure 9 Schematic diagram of the structure of the limit push handle assembly of the embodiment. DETAILED DESCRIPTION

[0028] The present invention will be further illustrated below with reference to specific embodiments. The embodiments are implemented based on the technical solutions of the present invention. It should be understood that these embodiments are only used to illustrate the present invention and are not used to limit the scope of the present invention.

[0029] like Figure 1 、 Figure 3 、 Figure 4 and Figure 8As shown, a multifunctional logistics transport and loading and unloading device includes a first cart, a lifting assembly 10 and a second cart 11. The first cart includes a first base plate 1, a first box body and four casters 2. The first base plate 1 is a rectangular plate. The four casters 2 are arranged at the four corners of the lower surface of the first base plate 1. The four casters 2 are used to support the first base plate 1 and facilitate the horizontal movement of the entire first cart. The first box body is arranged on the upper surface of the first base plate 1. The first box body includes three first fixed side panels 4 and a first movable side panel 5. Two of the three first fixed side panels 4 are symmetrically arranged as The first box body has a left and right side panel, and another first fixed side panel 4 is connected between the left and right side panels to serve as the back panel of the first box body. The first movable side panel 5 serves as the panel of the first box body. The lower ends of the two symmetrically arranged first fixed side panels 4 are respectively provided with first rotating shafts 401. The first movable side panels 5 are respectively provided with rotating shaft holes corresponding to the first rotating shafts 401 on both sides. The first rotating shafts 401 are inserted into the rotating shaft holes, so that the lower ends of the first movable side panels 5 are rotatably connected to the two first fixed side panels 4 via the first rotating shafts 401. The first movable side panel 5 can be opened by rotating downward. The first fixed side panel 4, which serves as the back panel of the first box body, is connected to a handle 6 to facilitate people to push the first cart.

[0030] like Figure 1 and Figure 5 As shown, two symmetrically arranged first fixed side panels 4 and first movable side panels 5 are provided with a latch assembly that prevents the first movable side panel 5 from rotating. The latch assembly includes a latch rod 402 and a first L-shaped block 501. The latch rod 402 is rotatably connected to the first fixed side panel 4. The first L-shaped block 501 is arranged on the first movable side panel 5 and its position corresponds to the latch rod 402. A receiving groove is formed between the first L-shaped block 501 and the front of the first movable side panel 5. A latch plate 403 is provided on the latch rod 402. When the latch rod 402 rotates in the direction of the first movable side panel 5, the latch plate 403 moves to the receiving groove formed by the first L-shaped block 501, and the latch rod 402 blocks the rotation of the first movable side panel 5. Two latch assemblies are provided, and the two latch assemblies limit the first movable side panel 5 to a vertical position when working.

[0031] like Figure 1 and Figure 6As shown, two lifting assemblies 10 are symmetrically arranged on the first base plate 1. The lifting assembly 10 includes a first support plate 101, three lifting rods 102 and a lifting plate 103. The first support plate 101 is a rectangular plate. The first support plate 101 is arranged on the first base plate 1 and extends from the back plate of the first box body to the panel direction. The three lifting rods 102 are equidistantly arranged on the first support plate 101. The lifting rods 102 use existing electric cylinders. The bottom of the fixed cylinder of the lifting rods 102 is connected to the first support plate 101. The piston rod of the lifting rod 102 moves up and down. The shape of the lifting plate 103 is the same as that of the first support plate 101. The shape of a support plate 101 corresponds to that of the first support plate 101. The first support plate 101 is connected to the top of the three piston rods. When the six lifting rods 102 of the two lifting assemblies 10 move up and down, the two first support plates 101 are driven to move up and down synchronously. An intermediate rod 107 is connected between the two first support plates 101. The intermediate rod 107 can enhance the overall stability of the two first support plates 101. Two support columns 9 are provided on the first fixed side plate 4, which serves as the back plate of the first box. The bottom of the support columns 9 is connected to the first bottom plate 1. When the lifting assembly 10 is not working, the two support columns 9 can support the intermediate rods 107. A first track 104 is provided on the lifting plate 103. The first track 104 is a rectangular groove and is arranged along the length of the lifting plate 103.

[0032] like Figure 3 and Figure 8As shown, the second trolley 11 is accommodated in the first trolley and the second trolley 11 is movably connected to the lifting assembly 10. The second trolley 11 includes a second bottom plate 111, two second side plates 112, a second back plate and side strips 113. The second bottom plate 111 is a rectangular plate. The two second side plates 112 are arranged on both sides of the upper surface of the second bottom plate 111. The second back plate is arranged on the second bottom plate 111 and is located between the two second side plates 112, so that the second trolley 11 forms a rectangular box with an open front. The side strips 113 are connected to the top side edges of the second side plates 112. The side strips 113 extend along the length direction of the second side plates 112. The lower surface of the slat 113 is provided with a first roller 114 corresponding to the first track 104, and multiple first rollers 114 are arranged at equal distances in the length direction of the side slat 113. When the second cart 11 is placed in the first cart, the side slat 113 is located directly above the lifting plate 103, and the first roller 114 is on the first track 104 and can roll along the first track 104. When the two lifting assemblies 10 are working, the piston rod of the lifting rod 102 moves up and down to drive the second cart 11 to move up and down as a whole, so that the goods in the second cart 11 can be vertically displaced, and the space in the first cart below the second cart 11 can continue to be loaded with goods. Two symmetrically arranged second rails 8 are provided on the first base plate 1, and the second rails 8 extend along the length direction of the first base plate 1 so that the second rails 8 are parallel to the first rails 104. A plurality of second rollers 116 corresponding to the second rails 8 are provided on the lower surface of the second base plate 111. The plurality of second rollers 116 are located corresponding to the second rails 8 to form two rows. The second rail 8 is a rectangular groove, and the second rollers 116 roll in the second rails 8. The second trolley 11 can move through the plurality of first rollers 114 and the plurality of second rollers 116. Under the restriction of the first rails 104 and the second rails 8, the second trolley 11 moves horizontally in the first trolley. Two third rails 12 corresponding to the second rails 8 are provided on the first movable side panel 5. When the first movable side panel 5 is rotated outward and opened, the first movable side panel 5 is inclined, and the third rail 12 and the second rail 8 are in the same straight line. The second trolley 11 moves downward on the slope through the third rail 12. Through the two track designs, the sliding direction of the second cart 11 is limited, the sliding stability of the second cart 11 is ensured, and the collision and shaking of the goods inside the second cart 11 during the pushing process are reduced to avoid unnecessary damage.

[0033] like Figure 6 and Figure 7As shown, a locking assembly 105 is provided on one end of the lifting plate 103 close to the back plate of the first box body. The locking assembly 105 includes a stopper 1051 and an electromagnet 1052. The electromagnet 1052 is arranged on the stopper 1051 and the height of the electromagnet 1052 is at the same height as the side strip 113. The electromagnet 1052 is a suction cup electromagnet, and the side strip 113 is made of magnetic metal. When the electromagnet 1052 is energized, the electromagnet 1052 generates magnetic attraction to the side strip 113 to fix the second cart 11. Rubber anti-collision pads 1053 are respectively provided on both sides of the electromagnet 1052 on the stopper 1051. The rubber anti-collision pads 1053 are used to reduce the impact force caused by the adsorption force of the electromagnet 1052 on the second cart 11 after power is turned on.

[0034] like Figure 3 、 Figure 6 and Figure 7 As shown, a control box 7 is provided on the first box body, the control box 7 is connected to the external power line, and an existing PLC controller is provided inside. The lifting rod 102 and the electromagnet 1052 are both electrically connected to the control box 7. Three control switches 701 are provided on the control box 7. One control switch 701 includes two buttons, namely, raising and lowering, which are used to be electrically connected to the lifting rod 102. The lifting and lowering buttons control the operation of the lifting rod 102, thereby controlling the lifting and lowering of the second trolley 11. One control switch 701 includes two buttons, namely, starting and stopping, which are used to be electrically connected to the electromagnet 1052 to control the on and off and power-off of the electromagnet 1052.

[0035] like Figure 3 、 Figure 8 and Figure 9As shown, a limiting push handle assembly 115 is provided on the end of the side strip 113 away from the second back plate, and the limiting push handle assembly 115 includes a push handle rod 1151, a limiting bolt 1152 and a second L-shaped block 1153. The limiting bolt 1152 is connected to the front end surface of the side strip 113, and the push handle rod 1151 is provided with an adjustment slot corresponding to the limiting bolt 1152. The limiting bolt 1152 passes through the adjustment slot. The head of the limiting bolt 1152 is hexagonal and has a diameter greater than the width of the adjustment slot. The push handle rod 1151 can move up and down or rotate through the adjustment slot. The push handle rod 1151 is movably connected to the side strip 113 through the limiting bolt 1152. A limiting hole 106 corresponding to the push handle rod 1151 is provided on the lifting plate 103. When the push handle rod 1151 is inserted vertically downward When the push handle rod 1151 enters the limiting hole 106, the push handle rod 1151 can prevent the second cart 11 from moving outward. When the push handle rod 1151 moves upward so that the lower end of the push handle rod 1151 moves out of the limiting hole 106, the push handle rod 1151 no longer blocks the movement of the second cart 11. A second L-shaped block 1153 corresponding to the push handle rod 1151 is provided on the front end surface of the side strip 113. The push handle rod 1151 is rotated so that the push handle rod 1151 is stuck on the second L-shaped block 1153. The lower end of the adjustment slot is provided with a hexagonal hole corresponding to the head of the limiting bolt 1152. After the push handle rod 1151 is rotated and laid flat, the push handle rod 1151 is slid toward the second L-shaped block 1153 so that the head of the limiting bolt 1152 is located in the hexagonal hole. At this time, pulling the push handle rod 1151 can drive the second cart 11 to move outward as a whole. Rubber protective pads 1154 are provided on the limiting bolt 1152 and the second L-shaped block 1153 to prevent loosening between the push handle rod 1151 and the second cart 11 during the process of controlling the displacement of the second cart 11, thereby ensuring safety and stability when moving the goods.

[0036] like Figure 1 、 Figure 2 and Figure 3As shown, an anti-tilt component 3 is provided on the first base plate 1, and the anti-tilt component 3 is electrically connected to the control box 7. The control box 7 is used to provide power to the anti-tilt component 3. An existing PLC controller is provided in the control box 7. A control switch 701 of the control box 7 is connected to the power cord of the anti-tilt component 3 to control the power on and off of the anti-tilt component 3. The anti-tilt component 3 includes an anti-tilt sensor 301 and four telescopic legs 302. The anti-tilt sensor 301 and the four telescopic legs 302 are electrically connected to the PLC controller. The anti-tilt sensor 301 adopts an existing tilt sensor. The anti-tilt sensor 301 detects the tilt angle of the first base plate 1 in real time. When the tilt angle reaches the set limit, the alarm switch inside the anti-tilt sensor 301 will be triggered to close, thereby sounding an alarm, and automatically opening the four telescopic legs 302 according to the degree of tilt. The four telescopic legs 302 are arranged at the four corners of the first base plate 1 and their positions correspond one-to-one to the positions of the four casters 2. The telescopic leg 302 includes a telescopic rod 3021 and a channel steel block 3022. The upper end of the telescopic rod 3021 is connected to the first base plate 1, and the lower end of the telescopic rod 3021 is connected to the channel steel block 3022. A rubber anti-slip pad 3023 is installed on the lower surface of the channel steel block 3022. When the telescopic leg 302 is opened, the telescopic rod 3021 begins to extend, causing the rubber anti-slip pad 3023 to touch the ground. Thereafter, the telescopic rod 3021 pushes the first base plate 1 upward, greatly improving the safety of the transportation and loading and unloading process.

[0037] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. A multifunctional logistics transport loading and unloading device, characterized in that: The invention relates to a trolley comprising a first trolley, two lifting assemblies (10) symmetrically arranged on the first trolley, and a second trolley (11) movably connected to the lifting assemblies (10), wherein the first trolley comprises a first base plate (1) and a plurality of casters (2) for supporting the first base plate (1), the lifting assembly (10) comprises a first support plate (101) arranged on the first base plate (1), a lifting rod (102) arranged on the first support plate (101), and a lifting plate (103) connected to the lifting rod (102), wherein the lifting plate (103) is provided with a first track (104), and the second trolley (11) comprises a second base plate (111), a second side plate (112) arranged on the second base plate (111), and a side strip plate (113) arranged on the second side plate (112), wherein the lower surface of the side strip plate (113) is provided with a first roller (114) corresponding to the first track (104).

2. The multifunctional logistics transport and loading and unloading device according to claim 1 is characterized in that: The first cart further comprises a first box body arranged on the first bottom plate (1), the first box body comprising three first fixed side plates (4) and a first movable side plate (5) movably connected to the first fixed side plates (4), the lower end of the first movable side plate (5) being rotatably connected to the first fixed side plate (4) via a first rotating shaft (401), a latch assembly for preventing the first movable side plate (5) from rotating is provided on the first fixed side plate (4) and the first movable side plate (5), the latch assembly comprising a latch rod (402) rotatably connected to the first fixed side plate (4) and a first L-shaped block (501) arranged on the first movable side plate (5) and corresponding to the latch rod (402).

3. The multifunctional logistics transport and loading and unloading device according to claim 2 is characterized in that: A second track (8) is provided on the first bottom plate (1), a second roller (116) corresponding to the second track (8) is provided on the second bottom plate (111), and a third track (12) corresponding to the second track (8) is provided on the first movable side plate (5).

4. The multifunctional logistics transport and loading and unloading device according to claim 2 is characterized in that: A locking assembly (105) is provided on the lifting plate (103), and the locking assembly (105) comprises a stopper (1051) and an electromagnet (1052) provided on the stopper (1051).

5. The multifunctional logistics transport and loading and unloading device according to claim 4 is characterized in that: A control box (7) is provided on the first box body, and the lifting rod (102) and the electromagnet (1052) are both electrically connected to the control box (7).

6. The multifunctional logistics transport and loading and unloading device according to claim 1 is characterized in that: The side strip (113) is provided with a limit push handle assembly (115), and the limit push handle assembly (115) includes a push handle rod (1151) movably connected to the side strip (113) and a second L-shaped block (1153) arranged on the side strip (113) and corresponding to the push handle rod (1151), and the lifting plate (103) is provided with a limit hole (106) corresponding to the push handle rod (1151).

7. The multifunctional logistics transport and loading and unloading device according to claim 6 is characterized in that: The side strip (113) is provided with a limiting bolt (1152), and the push handle rod (1151) is provided with an adjustment slot corresponding to the limiting bolt (1152), and the limiting bolt (1152) passes through the adjustment slot.

8. The multifunctional logistics transport and loading and unloading device according to claim 1 is characterized in that: An anti-tilt assembly (3) is provided on the first base plate (1), and the anti-tilt assembly (3) comprises an anti-tilt sensor (301) arranged on the lower surface of the first base plate (1) and a telescopic leg (302) electrically connected to the anti-tilt sensor (301).

9. The multifunctional logistics transport and loading and unloading device according to claim 8, characterized in that: The telescopic leg (302) comprises a telescopic rod (3021) and a channel steel block (3022).

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