Parcel unloading auxiliary device for express transportation

Abstract

The utility model discloses a parcel unloading auxiliary device for express transportation, which relates to the field of express unloading auxiliary devices and comprises a vehicle body, hydraulic splatches are arranged on two sides of the vehicle body, an unloading plate is arranged above the vehicle body, and the bottom of the unloading plate is movably connected with the top of the vehicle body through a rotating shaft. A buffering device is arranged on the rear side of the unloading plate, and a worm gear lead screw device is arranged on the front side of the rotating shaft. By means of the universal wheels arranged below the vehicle body, workers can conveniently and rapidly move the device to the needed position in the using process, the workers only need to place parcels on the top of the unloading plate in the unloading process, the parcels can automatically slide down along the unloading plate, the labor intensity of the workers is greatly reduced, and the working efficiency is improved. The unloading height of the unloading plate can be adjusted through the worm gear lead screw device at the bottom, the parcels slide to the bottom along the unloading plate to collide with the buffer device, so that impact force is relieved to protect the parcels, and the force of the spring can be adjusted when the parcels with different weight specifications face the parcels.

Description

Technical Field

[0001] The utility model relates to an auxiliary device for unloading a courier, in particular to an auxiliary device for unloading a package for express transportation. Background Art

[0002] Express delivery, also known as courier or express transportation, refers to a new mode of transportation in which logistics companies use their own independent networks or joint ventures to quickly and safely deliver documents or parcels entrusted by users from the sender to the recipient's door-to-door. With the rapid growth of the economy and people's daily needs, the demand for express delivery is also increasing rapidly.

[0003] At present, there are still some defects and deficiencies in the use of express unloading auxiliary devices. The specific areas that need to be improved are as follows:

[0004] Currently, the mainstream method of unloading express delivery is mainly manual unloading. Occasionally, express delivery unloading auxiliary devices are used, but most of them are just simple carts that cannot achieve lifting functions. Packages still need to be manually carried. The unloading efficiency is very low and the labor intensity is too high. When there are too many packages, some employees will even throw the packages directly out of the vehicle for convenience, which can easily cause damage to the express delivery. Utility Model Content

[0005] The purpose of the utility model is to provide a parcel unloading auxiliary device for express delivery, so as to solve the problem of express delivery damage proposed in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a parcel unloading auxiliary device for express transportation, comprising a vehicle body, hydraulic hoes are provided on both sides of the vehicle body, an unloading plate is provided on the top of the vehicle body, the bottom of the unloading plate is movably connected to the top of the vehicle body through a rotating shaft, a buffer device is provided on the rear side of the unloading plate, a worm gear screw device is provided on the front side of the rotating shaft, the top of the vehicle body is fixedly connected to the bottom of the worm gear screw device, and the top of the worm gear screw device is movably connected to the bottom of the unloading plate.

[0007] As a preferred technical solution of the utility model, universal wheels are arranged at the four corners of the bottom of the vehicle body, and the top of the vehicle body is movably connected to the rotating shaft through a bearing seat.

[0008] As a preferred technical solution of the utility model, baffles are provided on both sides of the unloading plate, and the bottom of the unloading plate is fixedly connected to the two ends of the rotating shaft through a connecting rod.

[0009] As an optimal technical solution of the utility model, the worm gear screw device includes two protective shells, the bottoms of the two protective shells are fixedly connected to the top of the vehicle body, the two protective shells are movably connected to the worm through two bearings, the two ends of the worm are respectively meshed with the outer gear teeth of the two ball worm wheels, the two ball worm wheels are respectively movably connected to the two protective shells through two thrust bearings, the two ball worm wheels are screwed to the two screws through the inner ball threads, the tops of the two screws are respectively fixedly connected to the two ends of the sliding rod, the two ends of the sliding rod are respectively movably connected to the two sliding plates, the two sliding plates are both fixedly connected to the bottom of the unloading plate, and a handle is provided at the right end of the worm.

[0010] As a preferred technical solution of the utility model, the buffer device includes a shell, the bottom of the shell is fixedly connected to the top of the unloading plate, three rectangular buffer cavities are arranged inside the shell, the three buffer cavities are movably connected to one end of the buffer rod, the other ends of the three buffer rods are fixedly connected to the buffer plate, the surface of the buffer plate is covered with a soft sponge layer, the buffer rod is provided with a limiting plate at one end inside the buffer cavity, the buffer rod is fixedly connected to one end of the spring through the limiting plate, the other end of the spring is fixedly connected to a rectangular spring seat, the spring seat is threaded with one end of the bolt, the other end of the bolt passes through the shell and is fixedly connected to the main gear, the bolt is movably connected to the shell through a bearing, the three main gears are meshed and connected to two sub-gears, the sub-gears are movably connected to the shell through another bearing, and the main gear in the middle is connected with a handle passing through the shell.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The utility model provides a universal wheel under the vehicle body, which is convenient for employees to quickly move the device to a desired position when in use. The hydraulic hoes on both sides of the vehicle body can be lowered when unloading packages to fix the entire device on the ground. When unloading the vehicle, employees only need to put the packages on the top of the unloading plate, and the packages will slide down along the unloading plate by themselves, without manual handling and unloading, which greatly reduces the labor intensity of employees and prevents employees from throwing packages off the vehicle out of laziness. The baffles arranged on both sides of the unloading plate can effectively prevent the packages from sliding out of the unloading plate when sliding down, and the unloading plate can be adjusted to the unloading height by the worm gear screw device at the bottom, which can be used for different models and different The high transport vehicles assist in unloading. The packages slide along the unloading plate to the bottom and collide with the buffer device. The buffer device shrinks after the impact, thereby alleviating the impact force and protecting the packages. The soft sponge layer on the surface of the buffer plate has a good energy absorption effect. When facing packages of different weight specifications, the handle can be turned. The handle drives the bolt in the buffer cavity to rotate through the cooperation of the main gear and the driven wheel. The spring seat moves forward or backward under the action of the bolt, thereby squeezing or stretching the length of the spring, making its outward elastic force larger or smaller, thereby achieving the process of adjusting the buffer force, further ensuring the safety of the package and improving the overall work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the utility model in a front view;

[0014] Figure 2 It is a schematic diagram of the structure of the utility model from the side;

[0015] Figure 3 It is a cross-sectional structural schematic diagram of the worm gear screw device of the utility model from the side view;

[0016] Figure 4 It is a schematic diagram of the cross-sectional structure of the buffer device of the utility model when viewed from above.

[0017] In the figure: 1. vehicle body; 2. hydraulic stop hoe; 3. rotating shaft; 4. unloading plate; 5. worm screw device; 51. protective shell; 52. worm; 53. ball worm; 54. thrust bearing; 55. screw; 56. slide rod; 57. sliding plate; 6. buffer device; 61. housing; 62. buffer rod; 63. buffer chamber; 64. buffer plate; 65. spring seat; 66. bolt; 67. main gear; 68. sub gear; 69. spring. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] like Figure 1-4 As shown, the utility model provides a technical solution: a parcel unloading auxiliary device for express transportation, including a vehicle body 1, hydraulic hoes 2 are arranged on both sides of the vehicle body 1, an unloading plate 4 is arranged above the vehicle body 1, the bottom of the unloading plate 4 is movably connected to the top of the vehicle body 1 through a rotating shaft 3, a buffer device 6 is arranged on the rear side of the unloading plate 4, a worm gear screw device 5 is arranged on the front side of the rotating shaft 3, the top of the vehicle body 1 is fixedly connected to the bottom of the worm gear screw device 5, and the top of the worm gear screw device 5 is movably connected to the bottom of the unloading plate 4. Universal wheels are provided at the four corners of the bottom of the vehicle body 1, and the top of the vehicle body 1 is movably connected to the rotating shaft 3 through a bearing seat. Baffles are provided on both sides of the unloading plate 4, and the bottom of the unloading plate 4 is fixedly connected to the two ends of the rotating shaft 3 through a connecting rod. By setting universal wheels under the vehicle body 1, it is convenient for employees to quickly move the device to the required position when in use. The hydraulic hoe 2 on both sides of the vehicle body 1 can be lowered when unloading packages to fix the entire device on the ground. The unloading plate 4 is tilted at the front end with the rotating shaft 3 as the center to form an inclined plane until the required slope is reached. When unloading the vehicle, employees only need to place the package on the top of the unloading plate 4, and the package will slide down along the unloading plate 4 by itself. The baffles set on both sides of the unloading plate 4 can effectively prevent the package from sliding out of the unloading plate 4 when sliding down. There is no need for manual handling to unload the vehicle, which greatly reduces the labor intensity of employees and avoids employees from being lazy and throwing packages off the vehicle.

[0020] The worm gear screw device 5 includes two protective shells 51, the bottoms of the two protective shells 51 are fixedly connected to the top of the vehicle body 1, the two protective shells 51 are movably connected to the worm 52 through two bearings, the two ends of the worm 52 are respectively meshed with the outer gear teeth of the two ball worm wheels 53, the two ball worm wheels 53 are respectively movably connected to the two protective shells 51 through two thrust bearings 54, the two ball worm wheels 53 are screwed to the two screws 55 through the inner ball threads, the tops of the two screws 55 are respectively fixedly connected to the two ends of the sliding rod 56, and the two ends of the sliding rod 56 are respectively movably connected to the two sliding plates 57 Then, the two sliding plates 57 are fixedly connected to the bottom of the unloading plate 4. A handle is provided at the right end of the worm 52. By shaking the handle on the worm gear screw device 5, the worm 52 is driven to rotate, so that the ball worm wheel 53 meshing with it rotates together, and the screw rod 55 screwed therewith is pushed up. The screw rod 55 cooperates with the sliding plate 57 to push the unloading plate 4 through the sliding rod 56. The initial position of the unloading plate 4 is set to be tilted upward at the rear end to achieve smooth pushing. The unloading plate 4 can be adjusted to the unloading height through the worm gear screw device 5 at the bottom, and can assist in unloading of transport vehicles of different models and heights.

[0021] The buffer device 6 includes a shell 61, the bottom of the shell 61 is fixedly connected to the top of the unloading plate 4, three rectangular buffer chambers 63 are arranged inside the shell 61, the three buffer chambers 63 are movably connected to one end of the buffer rod 62, the other ends of the three buffer rods 62 are fixedly connected to the buffer plate 64, the surface of the buffer plate 64 is covered with a soft sponge layer, the buffer rod 62 is provided with a limiting piece at one end inside the buffer chamber 63, the buffer rod 62 is fixedly connected to one end of the spring 69 through the limiting piece, the other end of the spring 69 is fixedly connected to the rectangular spring seat 65, the spring seat 65 is screwed to one end of the bolt 66, the other end of the bolt 66 passes through the shell 61 and is fixedly connected to the main gear 67, the bolt 66 is movably connected to the shell 61 through a bearing, the three main gears 67 are meshed and connected to the two sub gears 68, and the sub gear 68 is connected to the shell 6 through another bearing. 1 is movably connected, and the middle main gear 67 is connected with a handle passing through the housing 61. The package slides along the unloading plate 4 to the bottom and collides with the buffer plate 64. The buffer plate 64 retracts after being impacted, and the spring 69 in the buffer cavity 63 is compressed by force, thereby alleviating the impact force and protecting the package. The soft sponge layer on the surface of the buffer plate 64 has a good energy absorption effect, which further ensures the safety of the package. In addition, when facing packages of different weight specifications, the strength of the spring 69 can be adjusted. The middle main gear 67 is driven to rotate by shaking the handle. The middle main gear 67 drives the other two main gears 67 to rotate synchronously through the sub-gear 68. The bolt 66 connected to the main gear 67 rotates in the same direction, so that the spring seat 65 screwed thereto moves forward, compresses the length of the spring 69, and increases its outward tension, thereby increasing the strength of the buffer. The strength of the buffer can be reduced by rotating the handle in the opposite direction.

[0022] The operating steps of the utility model are:

[0023] The vehicle body 1 is pushed to the desired position, and the hydraulic hoe 2 is lowered to stabilize the entire device. The handle on the worm screw device 5 is shaken to drive the worm 52 to rotate, so that the ball worm 53 meshing with it rotates together, and the screw rod 55 screwed thereto is pushed up. The screw rod 55 cooperates with the sliding plate 57 through the sliding rod 56 to push the unloading plate 4. The unloading plate 4 is tilted at the front end with the rotating shaft 3 as the center to form an inclined surface until the required slope is reached. The package to be unloaded is pushed onto the unloading plate 4, and the package slides down along the inclined surface. The baffles on both sides prevent the package from sliding out of the inclined surface. The package slides to the bottom and collides with the buffer plate 64. The buffer plate 64 retracts after being impacted, and the spring 6 in the buffer cavity 63 9 The force-bearing length is compressed, thereby alleviating the impact force and protecting the package. The soft sponge layer on the surface of the buffer plate 64 has a good energy absorption effect, which further ensures the safety of the package. When facing packages of different weight specifications, the strength of the spring 69 can be adjusted. The middle main gear 67 is driven to rotate by shaking the handle. The middle main gear 67 drives the other two main gears 67 to rotate synchronously through the sub-gear 68. The bolt 66 connected to the main gear 67 rotates in the same direction, so that the spring seat 65 screwed thereto moves forward, compressing the length of the spring 69 and increasing its outward tension, thereby increasing the buffering force. The buffering force can be reduced by rotating the handle in the opposite direction.

[0024] In the description of the present invention, it is necessary to understand that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0025] In the present invention, unless otherwise clearly stipulated and limited, for example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, for ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A parcel unloading auxiliary device for express delivery, comprising a vehicle body (1), characterized in that: Hydraulic hoes (2) are provided on both sides of the vehicle body (1); a discharge plate (4) is provided above the vehicle body (1); the bottom of the discharge plate (4) is movably connected to the top of the vehicle body (1) via a rotating shaft (3); a buffer device (6) is provided on the rear side of the discharge plate (4); a worm gear screw device (5) is provided on the front side of the rotating shaft (3); the top of the vehicle body (1) is fixedly connected to the bottom of the worm gear screw device (5); and the top of the worm gear screw device (5) is movably connected to the bottom of the discharge plate (4).

2. The parcel unloading auxiliary device for express delivery according to claim 1, characterized in that: Universal wheels are arranged at the four corners of the bottom of the vehicle body (1), and the top of the vehicle body (1) is movably connected to the rotating shaft (3) via a bearing seat.

3. The parcel unloading auxiliary device for express delivery according to claim 1, characterized in that: Baffles are provided on both sides of the unloading plate (4), and the bottom of the unloading plate (4) is fixedly connected to the two ends of the rotating shaft (3) via a connecting rod.

4. The parcel unloading auxiliary device for express delivery according to claim 1, characterized in that: The worm gear screw device (5) comprises two protective shells (51), the bottoms of the two protective shells (51) are fixedly connected to the top of the vehicle body (1), the two protective shells (51) are movably connected to the worm (52) through two bearings, the two ends of the worm (52) are respectively meshed with the outer gear teeth of two ball worm wheels (53), the two ball worm wheels (53) are respectively movably connected to the two protective shells (51) through two thrust bearings (54), the two ball worm wheels (53) are screwed to the two screws (55) through the ball threads on the inside, the tops of the two screws (55) are respectively fixedly connected to the two ends of the sliding rod (56), the two ends of the sliding rod (56) are respectively movably connected to the two sliding plates (57), the two sliding plates (57) are both fixedly connected to the bottom of the unloading plate (4), and a handle is provided at the right end of the worm (52).

5. The parcel unloading auxiliary device for express delivery according to claim 1, characterized in that: The buffer device (6) comprises a shell (61), the bottom of which is fixedly connected to the top of the unloading plate (4), and three rectangular buffer chambers (63) are arranged inside the shell (61). The three buffer chambers (63) are movably connected to one end of a buffer rod (62), and the other ends of the three buffer rods (62) are fixedly connected to a buffer plate (64). The surface of the buffer plate (64) is covered with a soft sponge layer. A limiting plate is arranged at one end of the buffer rod (62) inside the buffer chamber (63), and the buffer rod (62) is connected to a spring through the limiting plate. One end of the spring (69) is fixedly connected, the other end of the spring (69) is fixedly connected to a rectangular spring seat (65), the spring seat (65) is threadedly connected to one end of a bolt (66), the other end of the bolt (66) passes through the housing (61) and is fixedly connected to a main gear (67), the bolt (66) is movably connected to the housing (61) through a bearing, the three main gears (67) are meshedly connected to two sub-gears (68), the sub-gears (68) are movably connected to the housing (61) through another bearing, and the main gear (67) is connected to a handle passing through the housing (61).

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