Loading and unloading device for cargo transportation

Abstract

The utility model discloses a loading and unloading device for cargo transportation, which comprises a main body unit, the main body unit comprises two groups of support plates, the lower ends of the two groups of support plates are fixedly connected with mounting plates, a top plate is fixedly connected between the two groups of support plates, and the surfaces of the two groups of support plates are provided with two groups of lifting grooves. The telescopic motor is started to drive the worm to rotate, the worm gear connected with the worm in a meshed mode drives the rotating rod to rotate, the rotating rod drives the gear to rotate synchronously, then the rack plate connected with the gear in a meshed mode drives the telescopic plate to move towards the outside of the compartment, goods clamped by the clamping plates are moved out of the compartment, and the lifting motor is controlled to enable the first threaded rod to rotate. The threaded sleeve in threaded connection with the first threaded rod drives the lifting rod to move downwards, the goods are placed at the designated position, the goods on the outer side edge of the compartment can be loaded and unloaded, the goods in the compartment can also be normally loaded and unloaded, and the loading and unloading efficiency is improved.

Description

Technical Field

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

[0002] Logistics refers to the physical flow of goods from the supply point to the receiving point. It includes multiple basic functions such as transportation, storage, handling, packaging, circulation processing, distribution, and information processing. The handling and loading and unloading of large items usually requires special forklifts or lifting machinery for loading and unloading.

[0003] The existing patent number CN215047109U discloses a cargo loading and unloading device used for road cargo transportation; the utility model includes an outer frame and a mounting base, and the inner wall surface of the outer frame is installed with bearings A and bearings B, and one side surface of the bearing A is fixedly connected to a screw A, and one side surface of the bearing B is fixedly connected to a screw B. One end of the screw A is fixedly connected to the screw B through a gear B, and a motor is installed on the top surface of the outer frame, and the power output end of the motor is connected to the power input end of the rotating shaft, and the rotating shaft is fixedly connected with a gear A, and the bottom of the gear A passes through the outer frame and engages with the gear B. The height of the cargo loading and unloading device and the different distances between the clamping block A and the clamping block B can be adjusted according to the size of the cargo, which can meet the loading and unloading needs of cargo of different specifications and sizes, can meet the loading and unloading needs of a variety of cargo, and can meet the usage needs in a variety of situations.

[0004] The existing technology uses clamping blocks A and B to clamp and load and unload goods, which can only be used to transport and load large goods moved to the edge of the carriage. Large goods inside the carriage cannot be transported and loaded, affecting normal loading and unloading work. Utility Model Content

[0005] The purpose of this section is to summarize some aspects of the embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract and title of the utility model to avoid obscuring the purpose of this section, the abstract and the title of the utility model, and such simplifications or omissions shall not be used to limit the scope of the present invention.

[0006] In view of the above problems existing in the existing loading and unloading device for cargo transportation, the present utility model is proposed.

[0007] Therefore, the purpose of the present utility model is to provide a loading and unloading device for cargo transportation, which is designed to solve the problem that "the existing technology uses clamping blocks A and B to clamp and load and unload cargo, and can only transport and load large cargo moved to the edge of the carriage. It cannot transport and load large cargo inside the carriage, affecting normal loading and unloading work."

[0008] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0009] A loading and unloading device for cargo transportation, comprising:

[0010] The main unit includes two sets of support plates, the lower ends of the two sets of support plates are fixedly connected to the mounting plates, a top plate is fixedly connected between the two sets of support plates, and the surfaces of the two sets of support plates are provided with two sets of lifting slots;

[0011] The loading and unloading unit includes a threaded rod 1 that is rotatably connected to the two groups of support plates, and the surface of the threaded rod 1 is threadedly connected to a threaded sleeve, the upper surface of the top plate is fixedly connected to two groups of lifting motors, and the output ends of the lifting motors are fixedly connected to the threaded rod 1, the adjacent sides of the two groups of threaded sleeves are fixedly connected to the lifting rods, and one side surface of the lifting rods is slidably connected to the support plates, the upper sides of the two groups of lifting rods are fixedly connected to the lifting plates, and a connecting plate is fixedly connected between the lifting plates, the lower surface of the connecting plate is provided with a telescopic assembly, the adjacent side surfaces of the two groups of lifting plates are slidably connected to the telescopic plates, and a clamping assembly is provided between the telescopic plates.

[0012] As a preferred solution of the cargo transportation loading and unloading device described in the utility model, the telescopic assembly includes a telescopic motor fixedly connected to the lower surface of the connecting plate, and the output end of the telescopic motor is fixedly connected to a worm, the surface of the worm is rotatably connected to two groups of lower fixed plates, and the lower fixed plates are both fixedly connected to the connecting plate, the lower surface of the worm is meshed with a worm wheel, and the inside of the worm wheel is fixedly connected to a rotating rod, both ends of the rotating rod are fixedly connected to gears, and the lower surface of the gears are meshed with rack plates, the surface of the rotating rod is rotatably connected to the two groups of lifting plates, and the lower surfaces of the two groups of rack plates are both fixedly connected to the telescopic plate.

[0013] As a preferred solution of the cargo transportation loading and unloading device described in the utility model, the clamping assembly includes a connecting frame that is slidably connected to the telescopic plate, and the internal rotation of the connecting frame is connected to a bidirectional threaded rod, the internal part of the connecting frame is fixedly connected to a fixed motor, and the output end of the fixed motor is fixedly connected to the bidirectional threaded rod, both ends of the bidirectional threaded rod are threadedly connected to a splint, and the surface of the splint is slidably connected to the inner wall surface of the connecting frame.

[0014] As a preferred solution of the cargo transportation loading and unloading device described in the utility model, wherein: a slide groove is opened inside the two groups of telescopic plates, and the inner wall surface of the slide groove is slidably connected to the connecting frame, the surface of one group of telescopic plates is fixedly connected to the positioning motor, and the output end of the positioning motor is fixedly connected to the second threaded rod, the surface of the second threaded rod is rotatably connected to one group of telescopic plates, the surface of the second threaded rod is threadedly connected to one end of the connecting frame, and the other end of the connecting frame is slidably connected to a sliding rod, and the sliding rod is slidably connected to the inner wall surface of the other slide groove.

[0015] As a preferred solution of the cargo transportation loading and unloading device described in the utility model, the lower surfaces of the two groups of telescopic plates are both installed with ball bearings, the upper surfaces of the two lifting rods are both provided with rolling grooves, and the inner wall surfaces of the rolling grooves are both movably connected to the ball bearings.

[0016] As a preferred solution of the cargo transportation loading and unloading device described in the utility model, the surfaces of the two groups of lifting rods on the opposite sides are fixedly connected with a stabilizing sleeve, and the inside of the stabilizing sleeve is slidably connected with a stabilizing rod, and the two ends of the two groups of stabilizing rods are fixedly connected to the inner wall surface of the lifting groove.

[0017] Beneficial effects of the utility model:

[0018] The lifting motor is started by power supply to drive the threaded rod one to rotate, and the threaded sleeve threadedly connected to the threaded rod two slides up and down inside the lifting slot, driving the lifting rod fixedly connected to the threaded sleeve to move up and down on the surface of the support plate, and then the positioning motor is started to drive the threaded rod two to rotate, and the connecting frame threadedly connected to the threaded rod two moves horizontally under the limiting effect of the sliding rod, driving the splint to move into the carriage, and then the fixing motor is started to drive the bidirectional threaded rod to rotate, so that the splint threadedly connected to the bidirectional threaded rod can clamp and fix the cargo, and then the lifting motor is started to drive the threaded rod one to rotate in the opposite direction, so that the lifting rod can drive the splint and the clamped cargo to move upward. , then start the positioning motor to rotate the threaded rod 2, so that the connecting frame drives the cargo to move to the edge of the carriage, and finally start the telescopic motor to drive the worm to rotate, and the worm gear engaged with the worm drives the rotating rod to rotate, so that the rotating rod drives the gear to rotate synchronously, and then the rack plate engaged with the gear drives the telescopic plate to move outside the carriage, and the cargo clamped by the splint is moved out of the carriage, and the lifting motor is controlled to rotate the threaded rod 1, and the threaded sleeve threadedly connected to the threaded rod 1 drives the lifting rod to move downward, placing the cargo in the designated position, which can not only load and unload the cargo at the outer edge of the carriage, but also load and unload the cargo inside the carriage normally, thereby improving the loading and unloading efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without inventive work. Among them:

[0020] Figure 1 is a schematic diagram of the three-dimensional structure of a loading and unloading device for cargo transportation proposed by the present invention;

[0021] Figure 2 It is a schematic diagram of the three-dimensional structure of the loading and unloading unit;

[0022] Figure 3 for Figure 1 A bottom-up schematic diagram of the three-dimensional structure;

[0023] Figure 4 for Figure 3 A magnified schematic diagram of the structure in the middle.

[0024] In the figure: 100, main unit; 101, support plate; 102, mounting plate; 103, top plate; 104, lifting slot; 200, loading and unloading unit; 201, lifting motor; 202, threaded rod 1; 203, threaded sleeve; 204, lifting rod; 205, lifting plate; 206, connecting plate; 207, telescopic assembly; 207a, telescopic motor; 207b, worm; 207c, worm gear; 20 7d, rotating rod; 207e, gear; 207f, rack plate; 208, telescopic plate; 209, clamping assembly; 209a, connecting frame; 209b, bidirectional threaded rod; 209c, fixed motor; 209d, clamping plate; 210, positioning motor; 211, slide groove; 212, threaded rod 2; 213, slide rod; 214, ball bearing; 215, rolling groove; 216, stabilizing sleeve; 217, stabilizing rod. DETAILED DESCRIPTION

[0025] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0026] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0027] Secondly, the term "one embodiment" or "embodiment" herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in various places throughout this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0028] Furthermore, the present invention is described in detail with reference to schematic diagrams. For ease of illustration, when describing embodiments of the present invention, cross-sectional views of device structures may be partially enlarged and not to scale. Furthermore, the schematic diagrams are merely illustrative and should not limit the scope of protection of the present invention. Furthermore, in actual production, three-dimensional dimensions, including length, width, and depth, should be included.

[0029] Reference Figure 1 -4. The present invention provides a cargo transportation loading and unloading device, comprising:

[0030] The main unit 100 includes two sets of support plates 101. The lower ends of the two sets of support plates 101 are fixedly connected to the mounting plate 102 for mounting with the vehicle body. A top plate 103 is fixedly connected between the two sets of support plates 101. The surfaces of the two sets of support plates 101 are provided with two sets of lifting slots 104.

[0031] The loading and unloading unit 200 includes a threaded rod 202 rotatably connected to the two groups of support plates 101, and the surface of the threaded rod 202 is threadedly connected to a threaded sleeve 203, the upper surface of the top plate 103 is fixedly connected to the two groups of lifting motors 201, and the output end shafts of the lifting motors 201 are fixedly connected to the threaded rod 202, the surface of the threaded sleeve 203 is slidably connected to the inner wall surface of the lifting groove 104, and has a limiting function, the side close to the two groups of threaded sleeves 203 are fixedly connected to the lifting rod 204, and one side surface of the lifting rod 204 is slidably connected to the support plate 101, the upper side surfaces of the two groups of lifting rods 204 are fixedly connected to the lifting plate 205, and a connecting plate 206 is fixedly connected between the lifting plates 205, and a telescopic component 207 is provided on the lower surface of the connecting plate 206, and the side surface close to the two groups of lifting plates 205 are slidably connected to the telescopic plate 208, and a clamping component 209 is provided between the telescopic plates 208.

[0032] Among them, the telescopic assembly 207 includes a telescopic motor 207a fixedly connected to the lower surface of the connecting plate 206, and the output end shaft of the telescopic motor 207a is fixedly connected to a worm 207b, the surface of the worm 207b is rotatably connected to two sets of lower fixed plates, and the lower fixed plates are all fixedly connected to the connecting plate 206, the lower surface of the worm 207b is meshed with a worm wheel 207c, and the inside of the worm wheel 207c is fixedly connected to a rotating rod 207d, both ends of the rotating rod 207d are fixedly connected to a gear 207e, and the lower surface of the gear 207e is meshed with a rack plate 207f, the surface of the rotating rod 207d is rotatably connected to the two sets of lifting plates 205, and the lower surfaces of the two sets of rack plates 207f are fixedly connected to the telescopic plate 208, which can control the movement of the telescopic plate 208, extend and retract the telescopic plate 208 from the inside of the two sets of support plates 101, and move the cargo out of the car compartment.

[0033] Furthermore, the clamping assembly 209 includes a connecting frame 209a that is slidingly connected to the telescopic plate 208, and the internal rotation of the connecting frame 209a is connected to a bidirectional threaded rod 209b, the internal of the connecting frame 209a is fixedly connected to a fixed motor 209c, and the output end shaft of the fixed motor 209c is fixedly connected to the bidirectional threaded rod 209b, and both ends of the bidirectional threaded rod 209b are threadedly connected to a splint 209d, and the surface of the splint 209d is slidably connected to the inner wall surface of the connecting frame 209a, and the rotation of the worm 207b drives the splint 209d to move horizontally to clamp and transport the goods.

[0034] Furthermore, both groups of telescopic plates 208 are provided with a slide groove 211 inside, and the inner wall surface of the slide groove 211 is slidingly connected to the connecting frame 209a, the surface of one group of telescopic plates 208 is fixedly connected to the positioning motor 210, and the output end shaft of the positioning motor 210 is fixedly connected to the threaded rod 212, the surface of the threaded rod 212 is rotatably connected to a group of telescopic plates 208, the surface of the threaded rod 212 is threadedly connected to one end of the connecting frame 209a, and the other end of the connecting frame 209a is slidably connected to the slide rod 213, and the slide rod 213 is slidably connected to the inner wall surface of the other slide groove 211, the rotation of the slide groove 211 can drive the connecting frame 209a to flexibly translate between the telescopic plates 208, so that the goods inside the car can be clamped and transported.

[0035] Furthermore, the lower surfaces of the two sets of telescopic plates 208 are both installed with ball bearings 214, and the upper surfaces of the two lifting rods 204 are both provided with rolling grooves 215, and the inner wall surfaces of the rolling grooves 215 are movably connected to the ball bearings 214, which can improve the flexibility of the telescopic plates 208 sliding on the surface of the lifting rods 204.

[0036] Furthermore, the surfaces of the two sets of lifting rods 204 on the opposite sides are fixedly connected with stabilizing sleeves 216, and the interior of the stabilizing sleeves 216 is slidably connected with stabilizing rods 217. Both ends of the two sets of stabilizing rods 217 are fixedly connected to the inner wall surface of the lifting groove 104, supporting the lifting rods 204 so that the lifting rods 204 can move up and down stably.

[0037] During use, the lifting motor 201 is started by power supply to drive the threaded rod 1 202 to rotate, and the threaded sleeve 203 threadedly connected to the threaded rod 212 slides up and down inside the lifting groove 104, driving the lifting rod 204 fixedly connected to the threaded sleeve 203 to move up and down on the surface of the support plate 101, and then the positioning motor 210 is started to drive the threaded rod 212 to rotate, and the connecting frame 209a threadedly connected to the threaded rod 212 is translated under the limiting effect of the sliding rod 213, driving the splint 209d to move into the carriage, and then the fixing motor 209c is started to drive the bidirectional threaded rod 209b to rotate, so that the splint 209d threadedly connected to the bidirectional threaded rod 209b can clamp and fix the cargo, and then the lifting motor 201 is started to drive the threaded rod 1 202 to rotate in the opposite direction, so that the lifting rod 204 can drive the splint 209d and the clamped cargo. The cargo moves upward, and the positioning motor 210 is started to rotate the threaded rod 212, so that the connecting frame 209a drives the cargo to move to the edge of the carriage, and finally the telescopic motor 207a is started to drive the worm 207b to rotate, and the worm wheel 207c engaged with the worm 207b drives the rotating rod 207d to rotate, so that the rotating rod 207d drives the gear 207e to rotate synchronously, and then the rack plate 207f engaged with the gear 207e drives the telescopic plate 208 to move outside the carriage, and the cargo clamped by the splint 209d is moved out of the carriage, and the lifting motor 201 is controlled to rotate the threaded rod 1 202, and the threaded sleeve 203 threadedly connected to the threaded rod 1 202 drives the lifting rod 204 to move downward, placing the cargo in the designated position, which can not only load and unload the cargo at the outer edge of the carriage, but also load and unload the cargo inside the carriage normally, thereby improving the loading and unloading efficiency.

[0038] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit 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 solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, and all of these should be included in the scope of the claims of the present invention.

Claims

1. A cargo transport loading and unloading device, characterized in that: include: The main unit (100) comprises two groups of support plates (101), the lower ends of the two groups of support plates (101) are fixedly connected to a mounting plate (102), a top plate (103) is fixedly connected between the two groups of support plates (101), and two groups of lifting grooves (104) are opened on the surfaces of the two groups of support plates (101); The loading and unloading unit (200) comprises a threaded rod (202) rotatably connected to two groups of support plates (101), and the surface of the threaded rod (202) is threadedly connected to a threaded sleeve (203), the upper surface of the top plate (103) is fixedly connected to two groups of lifting motors (201), and the output ends of the lifting motors (201) are fixedly connected to the threaded rod (202), and the sides of the two groups of threaded sleeves (203) close to each other are fixedly connected to the lifting rod (204), and the lifting rod (204) is fixedly connected to the lifting rod (204). 04) are slidably connected to the support plate (101), the upper surfaces of the two groups of lifting rods (204) are fixedly connected to the lifting plates (205), and the lifting plates (205) are fixedly connected with a connecting plate (206), the lower surface of the connecting plate (206) is provided with a telescopic component (207), the adjacent side surfaces of the two groups of lifting plates (205) are slidably connected to the telescopic plate (208), and a clamping component (209) is provided between the telescopic plates (208).

2. A cargo transport loading and unloading device according to claim 1, characterized in that: The telescopic assembly (207) includes a telescopic motor (207a) fixedly connected to the lower surface of the connecting plate (206), and the output end of the telescopic motor (207a) is fixedly connected to a worm (207b), the surface of the worm (207b) is rotatably connected to two groups of lower fixed plates, and the lower fixed plates are both fixedly connected to the connecting plate (206), the lower surface of the worm (207b) is meshedly connected to a worm wheel (207c), and the inside of the worm wheel (207c) is fixedly connected to a rotating rod (207d), both ends of the rotating rod (207d) are fixedly connected to a gear (207e), and the lower surface of the gear (207e) is meshedly connected to a rack plate (207f), the surface of the rotating rod (207d) is rotatably connected to the two groups of lifting plates (205), and the lower surfaces of the two groups of rack plates (207f) are both fixedly connected to the telescopic plate (208).

3. A cargo transport loading and unloading device according to claim 2, characterized in that: The clamping assembly (209) includes a connecting frame (209a) slidably connected to the telescopic plate (208), and the connecting frame (209a) is internally rotatably connected to a bidirectional threaded rod (209b), the connecting frame (209a) is internally fixedly connected to a fixed motor (209c), and the output end of the fixed motor (209c) is fixedly connected to the bidirectional threaded rod (209b), and both ends of the bidirectional threaded rod (209b) are threadedly connected to a clamping plate (209d), and the surface of the clamping plate (209d) is slidably connected to the inner wall surface of the connecting frame (209a).

4. A cargo transport loading and unloading device according to claim 3, characterized in that: The insides of the two groups of telescopic plates (208) are both provided with a slide groove (211), and the inner wall surface of the slide groove (211) is slidably connected to the connecting frame (209a), the surface of one group of telescopic plates (208) is fixedly connected to the positioning motor (210), and the output end of the positioning motor (210) is fixedly connected to the second threaded rod (212), the surface of the second threaded rod (212) is rotatably connected to the one group of telescopic plates (208), the surface of the second threaded rod (212) is threadedly connected to one end of the connecting frame (209a), and the other end of the connecting frame (209a) is slidably connected to the slide rod (213), and the slide rod (213) is slidably connected to the inner wall surface of the other slide groove (211).

5. The cargo transport loading and unloading device according to claim 4, characterized in that: The lower surfaces of the two sets of telescopic plates (208) are both installed with balls (214), the upper surfaces of the two lifting rods (204) are both provided with rolling grooves (215), and the inner wall surfaces of the rolling grooves (215) are both movably connected to the balls (214).

6. The cargo transport loading and unloading device according to claim 5, characterized in that: The surfaces of the two groups of lifting rods (204) on the opposite sides are fixedly connected with stabilizing sleeves (216), and the interior of the stabilizing sleeves (216) is slidably connected with stabilizing rods (217), and both ends of the two groups of stabilizing rods (217) are fixedly connected to the inner wall surface of the lifting groove (104).

Images