Cargo fixing device for logistics transport vehicle

Abstract

The invention belongs to the technical field of cargo fixing, and particularly relates to a cargo fixing device for a logistics transport vehicle, which comprises lifting blocks, a pair of lifting blocks driven by a lead screw motor is slidably connected to each of the front and rear sides of a carriage, a cross rod is connected between each pair of lifting blocks, and a plurality of sliding sleeves sliding left and right are arranged on the cross rod on the front side. A plurality of sliding guide rails sliding left and right are arranged on the rear wall in the compartment, the number of the sliding guide rails is consistent with that of the sliding sleeves, and lifting sleeves sliding up and down are arranged on the sliding guide rails. A sliding guide rail and a sliding sleeve are pushed to move left and right, the position of a downward pressing rod in the front-back direction is adjusted, a lead screw motor is controlled to enable a lifting block, a transverse rod, the sliding sleeve, the downward pressing rod, a lifting sleeve and a winding wheel to descend, a conical block is inserted into a bandage, the downward pressing rod presses the bandage downwards, and under the cooperation of a volute spiral spring and the winding wheel, the bandage binds goods and is tightly attached to the surface of the goods. The cargo fixing device can adapt to the shapes of cargos, avoids displacement of cargos on the lower layer, is easy and convenient to operate and effectively improves the cargo fixing effect.

Description

Technical Field

[0001] The invention belongs to the technical field of cargo fixing, and in particular relates to a cargo fixing device for a logistics transport vehicle. Background Art

[0002] In the process of transporting goods by logistics transport vehicles, the fixation of goods is an important part of ensuring transportation safety. Cargo fixing devices usually use straps for fixation, but there are many problems in practical applications: (1) Different goods have different widths and shapes. After the goods are placed in the carriage, there is a certain distance between the goods and the front and rear walls of the carriage. The straps are difficult to adapt to the surface shape of the goods. The straps are not in close contact with the surface of the goods. The lower layer of goods is prone to displacement, and the cargo fixing effect is poor. (2) In order to improve space utilization, goods are stacked in multiple layers. The straps need to be passed through the gap between the top of the goods and the top of the compartment. The straps also need to be pulled out of the gap when unloading. The operating space is limited and the operation is difficult.

[0003] Therefore, there is an urgent need to develop a cargo securing device for a logistics transport vehicle that can effectively solve the above problems and improve the cargo securing effect and the convenience of operation. Summary of the invention

[0004] In view of this, the present invention provides a cargo securing device for a logistics transport vehicle.

[0005] The technical solution of the present invention is: a cargo fixing device for a logistics transport vehicle, including a lifting block, a pair of lifting blocks driven by a screw motor are slidably connected to the front and rear sides of the car body, a cross bar is connected between each pair of lifting blocks, a plurality of sliding sleeves that slide left and right are provided on the front cross bar, a plurality of sliding guide rails that slide left and right are provided on the rear wall of the car body, the number of the sliding guide rails and the sliding sleeves are the same, the sliding guide rails are provided with lifting sleeves that slide up and down, the lifting sleeves slide left and right on the rear cross bar, the lifting sleeves are rotatably connected with a winding wheel, a vortex spring is provided between the winding wheel and the lifting sleeve, a binding strap is wrapped around the winding wheel, the free end of the binding strap is detachably connected to the sliding sleeve, a connecting rod is connected between the left ends of the two cross bars and between the right ends of the two cross bars, two downward pressing rods that slide back and forth are provided between the two connecting rods, and the position of the downward pressing rod is higher than the position of the binding strap.

[0006] Furthermore, the cargo fixing device used in the logistics transport vehicle also includes an insertion rod and a return spring. A row of insertion holes are evenly spaced at the bottom of the carriage. The bottom of the sliding guide rail is provided with an insertion rod that slides up and down. A return spring is connected between the insertion rod and the sliding guide rail. The insertion rod slides downward and is inserted into one of the insertion holes.

[0007] Furthermore, the cargo fixing device used in the logistics transport vehicle also includes a fixing block and a roller. The upper end of the insertion rod is connected to the fixing block, and the fixing block is rotatably connected to a roller that contacts the inner wall of the vehicle compartment. The fixing blocks all have a contact portion. When the lifting sleeve slides down to the bottom on the sliding guide rail, the lifting sleeve will squeeze the contact portion to allow the insertion rod to be inserted into the socket.

[0008] Furthermore, the cargo securing device for the logistics transport vehicle also includes a buckle and a connecting ring, the free ends of the straps are connected with buckles, the sliding sleeves are connected with connecting rings, and the buckles are buckled on the connecting rings.

[0009] Furthermore, the cargo fixing device for the logistics transport vehicle also includes a mounting block and a conical block. The bottom end of the sliding guide rail is connected to the mounting block, and multiple conical blocks are connected to the mounting block. When the lifting sleeve and the winding wheel are lowered, the conical block will be inserted into the binding strap.

[0010] Furthermore, the cargo fixing device for the logistics transport vehicle also includes bolts and handles. Both ends of the lower pressure rod have sliding parts that slide back and forth on the connecting rod. Bolts are threadedly connected to the sliding parts. The bolts are in close contact with the surface of the connecting rod to limit the position of the lower pressure rod. Handles are connected to the bolts.

[0011] Furthermore, the cargo fixing device used in the logistics transport vehicle also includes a rotating rod, a compartment door, a connecting block, a translation block and a hinged plate. The rotating rod is rotatably connected to the compartment, the rotating rod is connected to the compartment door, the outer side of the compartment door is connected to the connecting block, the top of the compartment is connected to an electric push rod, the telescopic rod of the electric push rod is connected to the translation block, and a hinged plate is rotatably connected between the translation block and the connecting block.

[0012] Furthermore, the cargo fixing device used in the logistics transport vehicle also includes guide rods, limit plates and screws. Multiple guide rods are slidably connected to the compartment door. Limit plates for limiting the cargo are commonly connected between the bottom ends of the guide rods. Screws are threadedly connected to the compartment door, and the ends of the screws are rotatably connected to the limit plates.

[0013] The beneficial effects are: 1. Push the sliding guide rail and the sliding sleeve to move left and right, adjust the position of the lower pressure rod in the front and rear directions, control the screw motor to make the lifting block, cross bar, sliding sleeve, lower pressure rod, lifting sleeve and winding wheel descend, insert the tapered block into the strap, and the lower pressure rod presses down the strap. With the cooperation of the spiral spring and the winding wheel, the strap tightens the goods and sticks to the surface of the goods. It can adapt to the shape of the goods and avoid displacement of the lower layer of goods. It is easy to operate and effectively improves the effect of fixing the goods.

[0014] 2. Control the electric push rod to move the translation block to the right. Under the action of the hinged plate, the compartment door rotates downward with the rotating rod as the axis and closes. Then rotate the screw to move the limit plate into the compartment until the limit plate contacts the cargo. The limit plate is used to limit the left side of the cargo. The limit plate is flexible to adjust and can adapt to the specific position of the cargo, further improving the effect of fixing the cargo. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the carriage and the present invention.

[0016] Figure 2 for Figure 1 Schematic diagram of the structure after the middle carriage is cut open.

[0017] Figure 3 For the present invention Figure 2 Schematic diagram of the structure inside the middle carriage.

[0018] Figure 4 The present invention is based on Figure 3 Top view of the .

[0019] Figure 5 It is a schematic structural diagram of the lifting block, cross bar, sliding sleeve, sliding guide rail and binding belt of the present invention.

[0020] Figure 6 For the present invention Figure 5 Schematic diagram of the structure after the middle lifting block and cross bar are hidden.

[0021] Figure 7 For the present invention Figure 6 Schematic diagram of the local structure in the upper middle part.

[0022] Figure 8 For the present invention Figure 3 Enlarged view of point B in .

[0023] Fig. 9 For the present invention Figure 2 Enlarged view of point A in .

[0024] Fig.10 The figure is a schematic diagram of the connection relationship among the rotating rod, the compartment door, the translation block, the hinge plate and the limiting mechanism of the present invention, wherein the compartment door is cut open.

[0025] Fig.11 It is a front view of the rotating rod, the compartment door, the connecting block, the translation block, the hinge plate and the limiting mechanism of the present invention.

[0026] Fig.12 For the present invention Fig.11 Schematic diagram after the middle compartment door is closed.

[0027] In the accompanying drawings: 1-carriage, 2-lifting block, 3-cross bar, 4-sliding sleeve, 5-sliding guide rail, 50-jack, 51-insertion rod, 52-reset spring, 53-fixed block, 54-contact portion, 55-roller, 6-lifting sleeve, 7-winding wheel, 8-binding strap, 81-buckle, 82-connecting ring, 83-mounting block, 84-tapered block, 9-connecting rod, 10-down pressure rod, 101-sliding portion, 102-bolt, 103-handle, 111-rotating rod, 112-carriage door, 113-connecting block, 114-translation block, 115-hinge plate, 121-guide rod, 122-limiting plate, 123-screw. DETAILED DESCRIPTION

[0028] Embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0029] Embodiment 1: A cargo securing device for a logistics transport vehicle, referring to Figure 1-Figure 7 , including a lifting block 2, a cross bar 3, a sliding sleeve 4, a sliding guide rail 5, a lifting sleeve 6, a winding wheel 7, a strap 8, a connecting rod 9 and a pressing rod 10. The logistics transport vehicle has a carriage 1, and a pair of lifting blocks 2 are slidably connected on both sides of the carriage 1. A pair of screw motors are installed on both sides of the carriage 1. The lifting blocks 2 are installed on the screw motors. A cross bar 3 is fixedly connected between each pair of lifting blocks 2. Three sliding sleeves 4 that slide left and right are arranged on the front cross bar 3. Three sliding guide rails 5 that slide left and right are arranged on the rear wall of the carriage 1. The sliding guide rails 5 are provided The lifting sleeves 6 slide up and down, and the lifting sleeves 6 slide left and right on the rear cross bar 3. The lifting sleeves 6 are rotatably connected with a winding wheel 7, and a spiral spring (not shown in the figure) is connected between the winding wheel 7 and the lifting sleeve 6. A strap 8 is wrapped around the winding wheel 7. The free ends of the three straps 8 are detachably connected to the three sliding sleeves 4 respectively. A connecting rod 9 is fixedly connected between the left ends of the two cross bars 3 and between the right ends of the two cross bars 3. Two downward pressing rods 10 that slide back and forth are arranged between the two connecting rods 9, and the position of the downward pressing rod 10 is higher than the position of the strap 8.

[0030] refer to Fig. 9 The cargo fixing device for the logistics transport vehicle also includes an insertion rod 51 and a return spring 52. A row of insertion holes 50 are evenly spaced at the rear side of the bottom of the carriage 1. The bottom end of the sliding guide rail 5 is provided with an insertion rod 51 that slides up and down. A return spring 52 is fixedly connected between the insertion rod 51 and the sliding guide rail 5. The insertion rod 51 slides downward and is inserted into one of the insertion holes 50.

[0031] refer to Figure 6 and Fig. 9The cargo fixing device for the logistics transport vehicle also includes a fixing block 53 and a roller 55. The upper end of the insertion rod 51 is fixedly connected to the fixing block 53, and the fixing block 53 is rotatably connected to the roller 55 that contacts the rear wall of the carriage 1. The top of the fixing block 53 has a contact portion 54. When the lifting sleeve 6 slides downward to the bottom on the sliding guide rail 5, the lifting sleeve 6 will squeeze the contact portion 54 to allow the insertion rod 51 to be inserted into the socket 50.

[0032] refer to Figure 7 The cargo fixing device for the logistics transport vehicle also includes a buckle 81 and a connecting ring 82. The free ends of the straps 8 are connected with the buckles 81, and the tops of the sliding sleeves 4 are fixedly connected with the connecting rings 82. The buckles 81 are prior art, and the buckles 81 are buckled on the connecting rings 82.

[0033] refer to Figure 6 and Fig. 9 The cargo fixing device for the logistics transport vehicle also includes a mounting block 83 and a conical block 84. The bottom end of the sliding guide rail 5 is fixedly connected with a mounting block 83, and the top of the mounting block 83 is fixedly connected with multiple conical blocks 84. When the lifting sleeve 6 and the winding wheel 7 are lowered, the conical block 84 will be inserted into the binding belt 8.

[0034] refer to Figure 3 and Figure 8 The cargo fixing device for the logistics transport vehicle also includes a bolt 102 and a handle 103. The left and right ends of the lower pressure rod 10 have sliding parts 101 that slide back and forth on the connecting rod 9. The two sliding parts 101 on the left are threadedly connected with bolts 102. The right ends of the bolts 102 are in close contact with the surface of the connecting rod 9 on the left, and the left ends of the bolts 102 are connected with handles 103.

[0035] Initially, the buckle 81 is buckled on the connecting ring 82, the binding belt 8 is in a pulled-out state, and the spiral spring is in a deformed state.

[0036] In the first step, the goods to be transported are stacked in the carriage 1, and the sliding guide rail 5 is manually pushed to move the sliding guide rail 5, the lifting sleeve 6, the winding wheel 7, the insertion rod 51, the fixing block 53 and the roller 55 as a whole in the left and right direction. The roller 55 plays a role in reducing the friction force, and then the sliding sleeve 4 is pushed to slide left and right on the cross bar 3. The position of the sliding sleeve 4 and the position of the sliding guide rail 5 correspond one by one in the front and rear directions. The specific position of the sliding guide rail 5 and the sliding sleeve 4 is determined according to the position where the goods need to be bound, and the insertion rod 51 is aligned with one of the sockets 50 up and down.

[0037] In the second step, the handle 103 is manually turned to drive the bolt 102 to rotate and loosen the connecting rod 9, and the sliding part 101 is pushed to drive the lower pressure rod 10 to slide back and forth, so that the lower pressure rod 10 on the front side is aligned with the front side of the cargo in the up and down direction, and the lower pressure rod 10 on the rear side is aligned with the rear side of the cargo in the up and down direction. Then, the handle 103 is reversed to drive the bolt 102 to reverse and make close contact with the surface of the connecting rod 9, so that the positions of the lower pressure rod 10 and the connecting rod 9 are relatively fixed.

[0038] The third step is to control the screw motor to drive the lifting block 2 to descend, driving the cross bar 3, sliding sleeve 4, connecting rod 9, lower pressure rod 10, lifting sleeve 6 and winding wheel 7 to descend together, the lower pressure rod 10 presses down the strap 8, the winding wheel 7 rotates to loosen the strap 8, the spiral spring is deformed, and the spiral spring has sufficient elastic force to make the strap 8 tightly bind the goods; the descending lifting sleeve 6 will push the contact part 54 to make the fixed block 53 and the insertion rod 51 move downward, the insertion rod 51 is inserted into the insertion hole 50, and the reset spring 52 is compressed, thereby automatically fixing the position of the sliding guide rail 5 in the left and right directions to avoid displacement of the sliding guide rail 5 during subsequent transportation; as the winding wheel 7 descends, the conical block 84 is inserted into the strap 8 to limit the strap 8. At this time, under the action of the lower pressure rod 10, the strap 8 is close to the surface of the goods and can adapt to the shape of the goods.

[0039] The fourth step, when the goods are transported to the destination, the control screw motor drives the lifting block 2 to rise and reset, driving the cross bar 3, sliding sleeve 4, connecting rod 9, lower pressure rod 10, lifting sleeve 6 and winding wheel 7 to rise and reset together, the conical block 84 is separated from the binding belt 8, and the winding wheel 7 gradually rewinds the binding belt 8 under the action of the volute spring, the lifting sleeve 6 is separated from the contact part 54, the reset spring 52 is restored, and the insertion rod 51 is driven to move up to leave the insertion hole 50. At this time, unloading can be carried out, and the operation is simple.

[0040] In this way, the cargo is tightly tied by the strap 8 under the cooperation of the spiral spring and the conical block 84, and the strap 8 is pressed down by the downward pressure rod 10. The binding and unloading operations are simple and easy, and the strap 8 can also adapt to the surface of the cargo to avoid displacement of the lower layer of cargo during transportation, thereby effectively improving the effect of fixing the cargo.

[0041] Example 2: Based on Example 1, refer to Figure 1 , Figure 2 , Fig.10 , Fig.11 and Fig.12The cargo fixing device for the logistics transport vehicle also includes a rotating rod 111, a compartment door 112, a connecting block 113, a translation block 114 and a hinged plate 115. The rotating rod 111 is rotatably connected above the left opening of the compartment 1, the compartment door 112 is fixedly connected to the rotating rod 111, the outer side of the compartment door 112 is welded with a connecting block 113, an electric push rod is bolted to the top of the compartment 1, the telescopic rod of the electric push rod is connected to a translation block 114, and a hinged plate 115 is rotatably connected between the translation block 114 and the connecting block 113.

[0042] refer to Figure 1 , Figure 2 , Fig.10 , Fig.11 and Fig.12 The cargo fixing device for the logistics transport vehicle also includes a guide rod 121, a limit plate 122 and a screw 123. Four guide rods 121 are slidably connected to the compartment door 112. The bottom ends of the four guide rods 121 are fixedly connected to the limit plate 122. The middle part of the compartment door 112 is threadedly connected with a screw 123, and the bottom end of the screw 123 is rotatably connected to the limit plate 122.

[0043] When the cargo is placed and the door 112 needs to be closed, the telescopic rod of the electric push rod is controlled to shorten, so that the translation block 114 is translated to the right, and the door 112 is rotated downward with the rotating rod 111 as the axis under the transmission action of the hinge plate 115 to close. Fig.12 As shown, the screw rod 123 is then manually rotated, and under the action of the threaded connection, the screw rod 123 moves to the right relative to the door 112 at the same time, driving the limit plate 122 to move into the interior of the compartment 1, and the guide rod 121 plays a guiding role until the limit plate 122 contacts the cargo, thereby limiting the left side of the cargo through the limit plate 122, further improving the effect of fixing the cargo, and the limit plate 122 can adapt to the specific position of the cargo and is flexible to adjust.

[0044] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit the scope of protection of the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the present invention.

Claims

1. A cargo fixing device for a logistics transport vehicle, comprising a lifting block (2), characterized in that: A pair of lifting blocks (2) driven by a screw motor are slidably connected to the front and rear sides of the carriage (1), and a cross bar (3) is connected between each pair of lifting blocks (2). The front cross bar (3) is provided with a plurality of sliding sleeves (4) that slide left and right. The rear wall of the carriage (1) is provided with a plurality of sliding guide rails (5) that slide left and right. The number of the sliding guide rails (5) and the sliding sleeves (4) is the same. The sliding guide rails (5) are provided with lifting sleeves (6) that slide up and down. The lifting sleeves (6) slide left and right on the rear cross bar (3). The lifting sleeve (6) is rotatably connected to a winding wheel (7), a spiral spring is provided between the winding wheel (7) and the lifting sleeve (6), a binding belt (8) is wound around the winding wheel (7), the free end of the binding belt (8) is detachably connected to the sliding sleeve (4), a connecting rod (9) is connected between the left ends of the two cross bars (3) and between the right ends of the two cross bars (3), two downward pressing rods (10) that slide forward and backward are provided between the two connecting rods (9), and the position of the downward pressing rod (10) is higher than the position of the binding belt (8).

2. A cargo securing device for a logistics transport vehicle according to claim 1, characterized in that: The cargo fixing device for the logistics transport vehicle also includes an insertion rod (51) and a return spring (52). A row of insertion holes (50) are evenly spaced at the bottom of the carriage (1). The bottom end of the sliding guide rail (5) is provided with an insertion rod (51) that slides up and down. A return spring (52) is connected between the insertion rod (51) and the sliding guide rail (5). When the insertion rod (51) slides downward, it will be inserted into one of the insertion holes (50).

3. A cargo securing device for a logistics transport vehicle according to claim 2, characterized in that: The cargo fixing device for the logistics transport vehicle also includes a fixing block (53) and a roller (55), wherein the upper end of the insertion rod (51) is connected to the fixing block (53), and the fixing block (53) is rotatably connected to the roller (55) that contacts the inner wall of the carriage (1), and the fixing blocks (53) each have a contact portion (54), and when the lifting sleeve (6) slides downward on the sliding guide rail (5) to the bottom end, the lifting sleeve (6) will press the contact portion (54) to allow the insertion rod (51) to be inserted into the insertion hole (50).

4. A cargo securing device for a logistics transport vehicle according to claim 3, characterized in that: The cargo securing device for the logistics transport vehicle further comprises a buckle (81) and a connecting ring (82), the free ends of the binding straps (8) are connected to the buckles (81), the sliding sleeves (4) are connected to the connecting rings (82), and the buckles (81) are buckled onto the connecting rings (82).

5. A cargo securing device for a logistics transport vehicle according to claim 4, characterized in that: The cargo fixing device for the logistics transport vehicle also includes a mounting block (83) and a conical block (84). The bottom end of the sliding guide rail (5) is connected to the mounting block (83), and a plurality of conical blocks (84) are connected to the mounting block (83). When the lifting sleeve (6) and the winding wheel (7) are lowered, the conical blocks (84) are inserted into the binding belt (8).

6. A cargo securing device for a logistics transport vehicle according to claim 5, characterized in that: The cargo fixing device for the logistics transport vehicle also includes a bolt (102) and a handle (103). Both ends of the push rod (10) have a sliding portion (101) that slides back and forth on the connecting rod (9). The sliding portion (101) is threadedly connected with a bolt (102). The bolt (102) is in close contact with the surface of the connecting rod (9) to limit the position of the push rod (10). The bolt (102) is connected to a handle (103).

7. A cargo securing device for a logistics transport vehicle according to claim 6, characterized in that: The cargo fixing device for a logistics transport vehicle further comprises a rotating rod (111), a compartment door (112), a connecting block (113), a translation block (114) and a hinged plate (115); the rotating rod (111) is rotatably connected to the compartment (1); the compartment door (112) is connected to the rotating rod (111); the outer side of the compartment door (112) is connected to the connecting block (113); the top of the compartment (1) is connected to an electric push rod; the telescopic rod of the electric push rod is connected to the translation block (114); and the hinged plate (115) is rotatably connected between the translation block (114) and the connecting block (113).

8. A cargo securing device for a logistics transport vehicle according to claim 7, characterized in that: The cargo fixing device for a logistics transport vehicle further comprises a guide rod (121), a limit plate (122) and a screw rod (123); a plurality of guide rods (121) are slidably connected to the compartment door (112); the bottom ends of the guide rods (121) are commonly connected to a limit plate (122) for limiting the position of cargo; the compartment door (112) is threadedly connected to a screw rod (123); the end of the screw rod (123) is rotatably connected to the limit plate (122).

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