Logistics transportation unloading auxiliary device

Abstract

The utility model discloses a logistics transportation unloading auxiliary device, relates to the technical field of logistics loading and unloading equipment, and aims to solve the technical problem that the lap joint stability and balance of a current fixed dock leveler and a truck are poor, the logistics transportation unloading auxiliary device comprises the fixed dock leveler, and limiting structures are arranged on the left side and the right side of the fixed dock leveler. The limiting structures are arranged on the left side and the right side of the fixed dock leveler, so that the rectangular plate, the first fan-shaped plate, the second fan-shaped plate and the third fan-shaped plate can rotate along with the top plate of the fixed dock leveler; a rectangular plate, a first fan-shaped plate, a second fan-shaped plate and a third fan-shaped plate can horizontally limit the two side edges of the fixed type dock leveler top plate, and the phenomenon that the fixed type dock leveler top plate is in lap joint with a truck, and when a forklift walks on the fixed type dock leveler top plate, the fixed type dock leveler top plate deflects left and right is avoided; therefore, the stability and the balance of the fixed dock leveler top plate can be improved, and the driving safety is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to logistics loading and unloading equipment technical field more specifically, relate to a logistics transportation unloading auxiliary device. BACKGROUND

[0002] In the process of loading and unloading of logistics goods, the height of the truck carriage and the loading and unloading platform often have a certain height difference, which brings many inconveniences to the loading and unloading of goods. In view of this situation, a logistics transportation unloading auxiliary device, namely a fixed loading ramp, is needed, which is used to connect with the truck and facilitate the forklift to directly enter the truck to unload the goods.

[0003] The top plate of the existing fixed loading ramp is usually supported and driven by one or two electric hydraulic push rods. Although it can achieve the effect of connecting with the truck, the connecting plate on the top plate is not fixedly connected with the truck, so the top plate of the fixed loading ramp is prone to deflection, which affects the stability and balance of the connection between the top plate of the fixed loading ramp and the truck, thereby affecting the driving safety. In view of this, we propose a logistics transportation unloading auxiliary device. SUMMARY

[0004] The utility model aims at overcoming the shortcomings of the prior art, adapting to the actual needs, and providing a logistics transportation unloading auxiliary device to solve the technical problem of poor stability and balance of the connection between the current fixed loading ramp and the truck.

[0005] To solve the above technical problems, the utility model provides the following technical scheme: a logistics transportation unloading auxiliary device, comprising a fixed loading ramp, the left and right sides of the fixed loading ramp are arranged with a limiting structure, the limiting structure comprises a rectangular plate, a first sector plate, a second sector plate and a third sector plate, the rectangular plate, the first sector plate, the second sector plate and the third sector plate are arranged from outside to inside at one time, the front side of the first sector plate, the second sector plate and the third sector plate is provided with an arc-shaped groove, the top of the inner side of the rectangular plate, the first sector plate and the second sector plate is arranged with a connecting column, and the connecting column is located in the corresponding arc-shaped groove;

[0006] The arc-shaped groove is movably arranged with an arc-shaped positioning rod, the connecting column is provided with a positioning through hole, and the arc-shaped positioning rod penetrates through the positioning through hole, and the top of the front end of the outer side of the first sector plate, the second sector plate and the third sector plate is arranged with a driving structure.

[0007] The utility model discloses a fixed loading bridge left and right sides are provided with limiting structure, and limiting structure is through rectangular plate, first sector plate, second sector plate and third sector plate composition, rectangular plate is fixed on the fixed loading bridge bottom support, and third sector plate is fixed on the fixed loading bridge's top plate, and the tail end of rectangular plate, first sector plate, second sector plate and third sector plate all rotate and connect, and the front end of first sector plate, second sector plate and third sector plate all are provided with arc groove, and the connecting column is set up on rectangular plate, first sector plate and second sector plate, and the connecting column is located in corresponding arc groove, therefore, rectangular plate, first sector plate, second sector plate and third sector plate can rotate with the fixed loading bridge top plate together, and rectangular plate, first sector plate, second sector plate and third sector plate can carry out horizontal limiting to the both sides of fixed loading bridge top plate, avoid the fixed loading bridge top plate lap joint on the truck, and when forklift walks on the fixed loading bridge top plate, causes the fixed loading bridge top plate to appear left and right deflection phenomenon, and further can improve the stability and balance of fixed loading bridge top plate, guarantee the traffic safety, the arc groove inside the utility model discloses the arc locating rod is arranged, and the locating through -hole is arranged in the connecting column, so when first sector plate, second sector plate and third sector plate stretch, and the connecting column slides displacement in arc groove, the locating through -hole of connecting column will move on arc locating rod synchronously, when the fixed loading bridge top plate is lap jointed with the truck, personnel can drive arc locating rod to displace through the drive structure, make the locating snap tooth of locating through -hole and the locating tooth groove of arc locating rod snap together, thereby realize the fixed of rectangular plate, first sector plate, second sector plate and third sector plate, that is, the limiting structure of rectangular plate, first sector plate, second sector plate and third sector plate has the effect of auxiliary support to the left and right sides of fixed loading bridge top plate, thereby can further improve the stability and balance of fixed loading bridge top plate and truck lap joint.

[0008] Preferably, the third sector plate is arranged on the fixed loading bridge top plate, the first sector plate is arranged on the fixed loading bridge chassis, the third sector plate and the second sector plate are rotationally connected at the tail ends, the second sector plate is rotationally connected at the tail end of the first sector plate, and the first sector plate is rotationally connected at the tail end of the rectangular plate.

[0009] Preferably, the arc groove is arranged in an arc shape, and the arc groove and the rear side of the fixed loading bridge top plate have a same center.

[0010] Preferably, the arc groove has a flared opening on the inner side, the connecting column has a limiting disc arranged at one end, the diameter of the connecting column matches the diameter of the arc groove, and the diameter of the limiting disc matches the diameter of the flared opening.

[0011] Preferably, the locating through -hole has a locating snap tooth arranged at one side, and the arc locating rod has a locating tooth groove arranged at the side facing the locating snap tooth.

[0012] Preferably, the arc-shaped slot is provided with an L-shaped extension hole at the top, and the L-shaped top end of the arc-shaped positioning rod is located in the extension hole, and the bottom end of the arc-shaped slot is provided with a limiting slot, and the bottom end of the arc-shaped positioning rod is provided with a limiting end, and the limiting end is located in the limiting slot.

[0013] Preferably, the driving structure comprises a mounting frame and an adjusting screw, the mounting frame is arranged at the opening of the extension hole corresponding to the first, second and third fan-shaped plates, and the adjusting screw is rotatably arranged on the mounting frame and screwed into the L-shaped end of the arc-shaped positioning rod.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1、The utility model discloses a limiting structure is arranged on the left and right sides of the fixed boarding bridge, and the limiting structure is composed of a rectangular plate, a first fan-shaped plate, a second fan-shaped plate and a third fan-shaped plate, the rectangular plate is fixed on the bottom support of the fixed boarding bridge, the third fan-shaped plate is fixed on the top plate of the fixed boarding bridge, the tail ends of the rectangular plate, the first fan-shaped plate, the second fan-shaped plate and the third fan-shaped plate are rotatably connected, the first fan-shaped plate, the second fan-shaped plate and the third fan-shaped plate are provided with arc-shaped slots at the front ends, the rectangular plate, the first fan-shaped plate and the second fan-shaped plate are provided with connecting columns, and the connecting columns are located in the corresponding arc-shaped slots.

[0016] 2, The arc-shaped groove is internally provided with an arc-shaped positioning rod, and the connecting column is internally provided with a positioning through hole, so that when the first sector plate, the second sector plate and the third sector plate are stretched and the connecting column is slidingly displaced in the arc-shaped groove, the positioning through hole of the connecting column will be synchronously moved on the arc-shaped positioning rod, when the fixed boarding bridge top plate is overlapped with the truck, personnel can drive the arc-shaped positioning rod to displace through the driving structure, so that the positioning clamping teeth of the positioning through hole are clamped with the positioning tooth grooves of the arc-shaped positioning rod, so that the rectangular plate, the first sector plate, the second sector plate and the third sector plate are fixed, that is, the limiting structure composed of the rectangular plate, the first sector plate, the second sector plate and the third sector plate has the effect of assisting the left and right sides of the fixed boarding bridge top plate, so that the stability and balance of the fixed boarding bridge top plate overlapped with the truck can be further improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the first structure of the limiting structure of the utility model;

[0019] Figure 3 It is a schematic diagram of the second structure of the limiting structure of the utility model;

[0020] Figure 4 It is a schematic diagram of the internal structure of the arc-shaped groove of the utility model;

[0021] Figure 5 It is a schematic diagram of the connecting column and the arc-shaped positioning rod structure of the utility model;

[0022] Figure 6 It is a schematic diagram of the third sector plate local section structure of the utility model.

[0023] Explanation of reference numerals in the drawing:

[0024] 1, Fixed boarding bridge; 2, Limiting structure; 3, Rectangular plate; 4, First sector plate; 5, Second sector plate; 6, Third sector plate; 7, Arc-shaped groove; 701, Flared portion; 8, Connecting column; 801, Limiting disc; 802, Positioning through hole; 803, Positioning clamping tooth; 804, Limiting groove; 805, Extension hole; 9, Arc-shaped positioning rod; 901, Positioning tooth groove; 902, Limiting end; 10, Driving structure; 1001, Mounting bracket; 1002, Adjusting screw. DETAILED DESCRIPTION

[0025] As Figures 1 to 6The utility model relates to a kind of logistics transportation unloading auxiliary devices shown, including fixed loading bridge 1, the left and right sides of fixed loading bridge 1 are arranged with limiting structure 2, limiting structure 2 includes rectangular plate 3, first sector plate 4, second sector plate 5 and third sector plate 6, rectangular plate 3, first sector plate 4, second sector plate 5 and third sector plate 6 are arranged from outside to inside once, first sector plate 4, second sector plate 5 and third sector plate 6 front side are provided with arc groove 7, the top of the inner side of rectangular plate 3, first sector plate 4 and second sector plate 5 is arranged with connecting column 8, and connecting column 8 is located in corresponding arc groove 7 inside;Third sector plate 6 is arranged on the top plate of fixed loading bridge 1, first sector plate 4 is arranged on the chassis of fixed loading bridge 1, third sector plate 6 and second sector plate 5 tail end rotation connection, second sector plate 5 and first sector plate 4 tail end rotation connection, first sector plate 4 and rectangular plate 3 tail end rotation connection;Arc groove 7 is arranged in arc, and arc groove 7 and the rear side rotation shaft of the top plate of fixed loading bridge 1 are concentric;

[0026] Rectangular plate 3, first sector plate 4, second sector plate 5 and third sector plate 6 can be rotated with the top plate of fixed loading bridge 1, and when first sector plate 4, second sector plate 5 and third sector plate 6 rotate, connecting column 8 will be synchronously slid displacement in arc groove 7, so that rectangular plate 3, first sector plate 4, second sector plate 5 and third sector plate 6 can always keep mutual adhesion, therefore, rectangular plate 3, first sector plate 4, second sector plate 5 and third sector plate 6 can be used to limit the both sides of the top plate of fixed loading bridge 1 horizontally, avoid the top plate of fixed loading bridge 1 to be overlapped on truck, when forklift travels on the top plate of fixed loading bridge, the left and right deflection phenomenon of the top plate of fixed loading bridge 1 occurs, to improve the stability and balance of the top plate of fixed loading bridge 1, ensure driving safety.

[0027] Specifically, the inner side of arc groove 7 is provided with flared portion 701, one end of connecting column 8 is arranged with limiting disc 801, the diameter of connecting column 8 matches the caliber of arc groove 7, the diameter of limiting disc 801 matches the caliber of flared portion 701, under the cooperation of limiting disc 801 and flared portion 701, connecting column 8 is conveniently stabilized in arc groove 7 and slid displacement.

[0028] In the embodiment of the utility model, the arc -shaped groove 7 inside movable arrangement has arc -shaped locating rod 9, and the connecting column 8 is set up with the locating through -hole 802, and arc -shaped locating rod 9 penetrates the locating through -hole 802, and the top of the front end of the outer side of first sector plate 4, second sector plate 5 and third sector plate 6 is arranged with drive structure 10;The locating through -hole 802 one side is arranged with the locating pawl 803, and the one side towards locating pawl 803 of arc -shaped locating rod 9 is arranged with the locating tooth groove 901;Arc -shaped groove 7 top is set up with L type extension hole 805, and extension hole 805 top end extends to the outside, and the L type top end of arc -shaped locating rod 9 is located in extension hole 805, and the bottom end of arc -shaped groove 7 is set up with the limiting groove 804, and the bottom end of arc -shaped locating rod 9 is arranged with the limiting end 902, and limiting end 902 is located in the limiting groove 804 inside;Drive structure 10 includes mounting bracket 1001 and adjusting screw 1002, and mounting bracket 1001 is arranged on the opening of the extension hole 805 of corresponding first sector plate 4, second sector plate 5 and third sector plate 6, and adjusting screw 1002 is rotatably arranged on mounting bracket 1001, and adjusting screw 1002 is screwed into the L type end of arc -shaped locating rod 9;

[0029] When first sector plate 4, second sector plate 5 and third sector plate 6 stretch, and the connecting column 8 slides displacement in the arc -shaped groove 7, the locating through -hole 802 of connecting column 8 will move on arc -shaped locating rod 9 synchronously, when the fixed loading bridge 1 top plate is overlapped with the truck, personnel can drive adjusting screw 1002, thereby drive arc -shaped locating rod 9 to displace, make the locating pawl 803 of locating through -hole 802 and the locating tooth groove 901 of arc -shaped locating rod 9 engage, thereby realize the fixing of rectangular plate 3, first sector plate 4, second sector plate 5 and third sector plate 6, that is, the limiting structure 2 formed by rectangular plate 3, first sector plate 4, second sector plate 5 and third sector plate 6 has the effect of auxiliary support to the left and right sides of the fixed loading bridge 1 top plate, thereby can further improve the stability and balance of the fixed loading bridge 1 top plate and truck overlap.

[0030] Working principle: the embodiment provides a kind of logistics transportation unloading auxiliary device, first, rectangular plate 3, first sector plate 4, second sector plate 5 and third sector plate 6 can be rotated with the fixed loading bridge 1 top plate, and when first sector plate 4, second sector plate 5 and third sector plate 6 rotate, connecting column 8 will slide displacement in arc -shaped groove 7 inside synchronously, to can make rectangular plate 3, first sector plate 4, second sector plate 5 and third sector plate 6 always keep mutual adhesion, therefore, rectangular plate 3, first sector plate 4, second sector plate 5 and third sector plate 6 can be horizontally limited to the two sides of the fixed loading bridge 1 top plate, avoid the fixed loading bridge 1 top plate and overlap on truck, when forklift walks on the fixed loading bridge top plate 1, cause the fixed loading bridge 1 top plate to appear left and right skew phenomenon occurs, to can improve the stability and balance of the fixed loading bridge 1 top plate, guarantee driving safety.

[0031] Second, in the first sector plate 4, the second sector plate 5 and the third sector plate 6 stretch, the connecting column 8 is in the arc-shaped slot 7 sliding displacement time, the positioning hole 802 of connecting column 8 will be synchronized in the arc-shaped positioning rod 9 movement, when the fixed boarding bridge 1 roof and truck lap, personnel can be through the screwing of adjusting screw 1002, thereby drive the arc-shaped positioning rod 9 to carry out displacement, make the positioning catch 803 of positioning hole 802 and the positioning tooth groove 901 of arc-shaped positioning rod 9 carry out the engagement of card, thereby realize to the rectangular plate 3, the first sector plate 4, the second sector plate 5 and the third sector plate 6 are fixed, namely the limiting structure 2 that the rectangular plate 3, the first sector plate 4, the second sector plate 5 and the third sector plate 6 are formed with the effect of the left and right sides of fixed boarding bridge 1 roof are assisted to support, thereby can further improve the stability and balance of fixed boarding bridge 1 roof and truck lap.

[0032] The embodiments of the utility model discloses the better embodiment, but is not limited to this, the ordinary skill of the art, the spirit of the utility model is appreciated to the above-mentioned embodiment, and different extension and change are made, but as long as do not depart from the spirit of the utility model, are in the protection scope of the utility model.

Claims

1. A logistics transport unloading assisting device characterized by, The utility model provides a fixed boarding bridge (1), both sides of the fixed boarding bridge (1) are arranged with limiting structure (2), the limiting structure (2) includes rectangular plate (3), first sector plate (4), second sector plate (5) and third sector plate (6), the rectangular plate (3), first sector plate (4), second sector plate (5) and third sector plate (6) are arranged from outside to inside once, the first sector plate (4), second sector plate (5) and third sector plate (6) front side are provided with arc slot (7), the rectangular plate (3), first sector plate (4) and second sector plate (5) inner side top are arranged with connecting column (8), and connecting column (8) is located inside corresponding arc slot (7). Arc-shaped locating rod (9) is movably arranged in the arc slot (7), locating through hole (802) is formed in the connecting column (8), and the arc-shaped locating rod (9) penetrates the locating through hole (802), and the top of the front end of the outer side of the first sector plate (4), the second sector plate (5) and the third sector plate (6) is arranged with the driving structure (10).

2. The logistics transportation unloading auxiliary device according to claim 1, characterized in that, The third sector plate (6) is arranged on the top plate of the fixed boarding bridge (1), the first sector plate (4) is arranged on the chassis of the fixed boarding bridge (1), the tail end of the third sector plate (6) is rotatably connected with the second sector plate (5), the tail end of the second sector plate (5) is rotatably connected with the first sector plate (4), and the tail end of the first sector plate (4) is rotatably connected with the rectangular plate (3).

3. The logistics transportation unloading auxiliary device according to claim 1, characterized in that, The arc slot (7) is arranged in an arc shape, and the arc slot (7) and the rear pivot of the top plate of the fixed boarding bridge (1) have the same center.

4. The logistics transportation unloading auxiliary device according to claim 1, characterized in that, The inner side of the arc slot (7) is provided with a flared portion (701), one end of the connecting column (8) is arranged with a limiting disc (801), the diameter of the connecting column (8) matches the caliber of the arc slot (7), and the diameter of the limiting disc (801) matches the caliber of the flared portion (701).

5. The logistics transportation unloading auxiliary device according to claim 1, characterized in that, One side of the locating through hole (802) is arranged with a locating ratchet (803), and one side of the arc-shaped locating rod (9) is arranged with a locating tooth groove (901) facing the locating ratchet (803).

6. The logistics transportation unloading auxiliary device according to claim 1, characterized in that, An L-shaped extension hole (805) is formed in the top of the arc slot (7), and the top end of the extension hole (805) extends to the outside, the L-shaped top end of the arc-shaped locating rod (9) is located in the extension hole (805), and a limiting groove (804) is formed in the bottom end of the arc slot (7), and a limiting end (902) is arranged at the bottom end of the arc-shaped locating rod (9), and the limiting end (902) is located in the limiting groove (804).

7. The logistics transportation unloading auxiliary device according to claim 5, characterized in that, The driving structure (10) comprises a mounting frame (1001) and an adjusting screw (1002), the mounting frame (1001) is arranged at the opening of the extension hole (805) of the corresponding first sector plate (4), second sector plate (5) and third sector plate (6), the adjusting screw (1002) is rotatably arranged on the mounting frame (1001), and the adjusting screw (1002) is screwed into the L-shaped end of the arc-shaped locating rod (9).

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