Carrying device
By designing a carrier device including a main frame, a moving roller and a handling device, the efficiency and safety problems of loading and unloading larger and longer materials are solved, and efficient and safe material handling and loading and unloading trucks are realized.
Patent Information
- Application Number
- CN202420936544.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-30
- Publication Date
- 2025-05-13
- Estimated Expiration
- 2034-04-30
AI Technical Summary
The prior art is time-consuming and labor-intensive when loading and unloading larger and long-type materials, with high costs and safety hazards, making it difficult to effectively solve the safety and efficiency problems of material loading and unloading trucks.
A carrier device is designed, including a main frame, a moving roller and a handling device. The main frame is used to hold long-shaped materials, and the moving roller is arranged along the length direction of the main frame to roll inside and outside the car. The handling device includes a handling rack, a handling roller, a torsion spring and a rocker mechanism, through which these components enable efficient loading and unloading of materials.
Through the design of the carrier device, efficient and safe handling and loading and unloading trucks of larger whole materials are achieved, cost reduction and loading and unloading efficiency and safety are improved.
Smart Images
Figure CN222860326U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of logistics tools, and specifically relates to a transport device. Background Art
[0002] When loading and unloading long and large materials, using a crane to lift them is time-consuming, labor-intensive and costly. In addition, using a crane to lift materials poses safety hazards to both workers and materials, and a slight lack of attention may cause significant economic losses or casualties. Therefore, the problem of safe loading and unloading of long and large materials needs to be solved urgently. Summary of the invention
[0003] The utility model provides a transport device which integrates the handling and loading and unloading of relatively large whole materials, thereby improving the efficiency and safety of the handling and loading and unloading of relatively large whole materials and reducing the cost.
[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:
[0005] A transport device comprises a main frame, a plurality of movable rollers, and a plurality of transport devices;
[0006] The main frame is long and is used to hold long materials;
[0007] Each of the movable rollers is arranged in multiple rows along the length direction of the main frame and in multiple rows along the width direction of the main frame, and is rotatably connected to the main frame respectively, and the rotating shaft is parallel to the ground and has the same height, and is used for rolling into the carriage when loading and rolling out of the carriage when unloading;
[0008] Each of the transport devices is evenly arranged along the length direction of the main frame, including a transport frame, a plurality of transport rollers, at least one first torsion spring, at least one rocker mechanism and a second torsion spring; the transport frame has a length and a width, one end of the length direction is rotatably mounted under the main frame through the first torsion spring, and a plurality of transport rollers are arranged in the width direction of the other end, which are rotatably connected to the transport frame respectively, and the rotating shaft is along the width direction of the transport frame; the rocker mechanism includes a translation arm and a rocking arm; the rocking arm is rotatably connected to the main frame through the second torsion spring, and one end is formed with a guide rail along its length direction; one end of the translation arm is provided with a slidable contact with the guide rail A slider is movably installed and slidably installed with the guide rail, and is slidably connected to the main frame along the length direction of the main frame; when the first torsion spring and the second torsion spring are in a reset state, the transport frame is connected to the translation arm; the transport frame tends to be perpendicular to the ground and can be used to walk on the ground; when moving into the carriage, the rocking arm overcomes the torsion force of the second torsion spring and rotates backward, driving the translation arm to disconnect from the transport frame; the transport frame overcomes the torsion force of the first torsion spring and rotates backward; when moving out of the carriage, the transport frame is first reset under the action of the first torsion spring; the translation arm is reset under the action of the second torsion spring and resumes the connection with the transport frame.
[0009] In some specific embodiments, a plurality of first grooves for accommodating the transport rollers are formed on the lower side of the main frame; when the transport rollers are moved into the carriage, each of the transport rollers is partially located in each of the first grooves.
[0010] In some specific embodiments, a second groove for accommodating the transport rack and the rocker mechanism is formed on the lower side of the main frame, which has a length along the length direction of the main frame and an opening facing downward;
[0011] The transport frame includes a first cross beam, a second cross beam, and two longitudinal beams, which are fixedly connected head to tail to form a square; one end of the longitudinal beam is located in the second groove and is rotatably connected to the main frame; the translation arm is located in the second groove; one end of the rocking arm is located in the second groove and is rotatably connected to the main frame.
[0012] In some specific embodiments, the transport device includes a plurality of first torsion springs and two transport rollers; the first torsion springs are evenly arranged along the first beam; and the two transport rollers are respectively arranged at two ends of the second beam.
[0013] In some specific embodiments, the transport device includes two rocker mechanisms, which are respectively arranged corresponding to the longitudinal beams; the second grooves are respectively arranged corresponding to the rocker mechanisms;
[0014] A first right-angle structure is formed at one end of each longitudinal beam, which includes a first right-angle side and a second right-angle side; the first right-angle side is along the length direction of the longitudinal beam; the second right-angle side faces the translation arm;
[0015] A second right-angle structure facing the transport frame is formed at one end of the translation arm close to the transport frame, and includes a third right-angle side and a fourth right-angle side; the third right-angle side is along the length direction of the translation arm; when the first torsion spring and the second torsion spring are reset, the first right-angle structure is connected to the second right-angle structure, and the third right-angle side is located below the second right-angle side.
[0016] In some specific embodiments, a long through hole is formed at one end of the rocking arm along its length direction; the sliding block is installed in the long through hole and can slide along the length direction of the long through hole.
[0017] In some specific embodiments, a U-shaped third groove is formed at one end of the rocking arm, which includes a first groove wall and a second groove wall; the corresponding long through holes are formed on the first groove wall and the second groove wall respectively; the end of the translation arm away from the transport frame is located between the first groove wall and the second groove wall;
[0018] The sliding block is a sliding shaft with an axis perpendicular to the length direction of the translation arm. It passes through the long through hole and its two ends are respectively located outside the long through hole and are respectively connected to nuts.
[0019] In some specific embodiments, a plurality of limiting rollers are further included, which are arranged in multiple rows along the length direction of the main frame and in multiple rows along the width direction of the main frame, are located below the main frame, are rotatably connected to the main frame respectively, and the rotating shaft is perpendicular to the ground area for lateral limiting.
[0020] In some specific embodiments, it also includes at least one handle, which is formed as a handle with an annular structure or a partial annular structure; the handle is fixedly arranged at one end of the main frame facing the outside of the vehicle compartment; the plane where the annular structure of the handle is located is parallel to the length direction of the main frame.
[0021] In some specific embodiments, a fixing device is also included, which is a snap-on structure and is arranged on the upper side of the main frame to fix the long material.
[0022] Compared with the prior art, the advantages and positive effects of the utility model are as follows: the carrying device of the utility model realizes time-saving, labor-saving and safe rolling on the ground through the carrying rollers of the carrying device; when loading and transporting the cargo from the ground, the height of the carrying frame adapts to the height of the vehicle, and the carrying frame is unlocked by the rotation of the rocker mechanism while the moving rollers roll in the car, so that the carrying frame rotates toward the main frame when reaching the car, thereby reducing the overall height of the car and cargo; when moving from the car to the ground, the carrying frame first moves out of the car and rotates to be perpendicular to the ground under the restoring force of the first torsion spring; then, the rocking arm rotates under the restoring force of the second torsion spring, driving the translation arm to move to connect with the carrying frame, thereby achieving the height of the long materials not being changed when the car and cargo are unloaded, thereby improving the safety and efficiency of unloading. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, a brief introduction will be given below to the drawings required for use in the embodiments. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0024] Figure 1 It is a structural schematic diagram of an embodiment of a carrier device proposed by the utility model;
[0025] Figure 2 It is a longitudinal cross-sectional structural schematic diagram of an embodiment of a carrier device proposed by the utility model;
[0026] Figure 3 It is a longitudinal structural schematic diagram of an embodiment of a transport device proposed by the utility model being moved into a carriage;
[0027] Figure 4 It is a longitudinal structural schematic diagram of a part of an embodiment of a transport device proposed by the utility model being moved out of a carriage;
[0028] Figure 5 yes Figure 2 A local enlarged structural diagram of the part;
[0029] Figure 6 yes Figure 3 A schematic diagram of the local enlarged structure at B in FIG.
[0030] Figure 7 yes Figure 4 Schematic diagram of the local enlarged structure at point C in the figure.
[0031] In the figure,
[0032] 1. Main frame; 2. Moving roller; 3. Transport device; 4. Limiting roller; 5. Handle; 6. Fixing device; 11. First groove; 12. Second groove; 31. Transport frame; 32. Transport roller; 33. First torsion spring; 34. Rocker mechanism; 35. Second torsion spring; 51. Handle; 311. First crossbeam; 312. Second crossbeam; 313. Longitudinal beam; 314. First right-angle structure; 315. Second right-angle side; 316. First right-angle side; 341. Rocking arm; 342. Translation arm; 343. Guide rail; 344. Third groove; 345. First groove wall; 346. Second groove wall; 347. Slider; 348. Second right-angle structure; 349. Third right-angle side; 340. Fourth right-angle side. DETAILED DESCRIPTION
[0033] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.
[0034] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 The utility model discloses a transport device, including a main frame 1, a plurality of movable rollers 2, and a plurality of transport devices 3.
[0035] The main frame 1 is long and is used to hold long materials; the long materials are integral parts and cannot be disassembled for handling and transportation.
[0036] The movable rollers 2 are arranged in multiple rows along the length direction of the main frame 1 and in multiple rows along the width direction of the main frame 1 under the main frame 1, and are rotatably connected to the main frame 1 respectively, and the rotating shafts are parallel to the ground and have the same height. They are used for rolling into the car when loading and rolling out of the car when unloading.
[0037] That is, the movable rollers 2 are arranged in multiple rows along the length direction of the main frame 1, each row includes at least two movable rollers 2, and the movable rollers 2 at the same position in each row are arranged correspondingly so that they are on the same straight line along the length direction of the main frame 1, so that the movable rollers 2 located on the same straight line roll on the same track when the matching track is set on the transport vehicle.
[0038] Each transport device 3 is evenly arranged along the length direction of the main frame 1, including a transport frame 31, a plurality of transport rollers 32, at least one first torsion spring 33, at least one rocker mechanism 34 and a second torsion spring 35; the transport frame 31 has a length and a width, one end in the length direction is rotatably mounted under the main frame 1 through the first torsion spring 33, and a plurality of transport rollers 32 are arranged in the width direction of the other end, which are rotatably connected to the transport frame 31 respectively, and the rotating shaft is along the width direction of the transport frame 31; that is, the width direction of the transport frame 31 conforms to the width direction of the main frame 1; that is, the width direction of the transport frame 31 is in the width direction of the main frame 1.
[0039] The rocker mechanism 34 includes a translation arm 342 and a rocking arm 341; the rocking arm 341 is rotatably connected to the main frame 1 through a second torsion spring 35, and a guide rail 343 is formed at one end along its length direction; a slider 347 is provided at one end of the translation arm 342, which is slidably mounted on the guide rail 343 and slidably mounted on the guide rail 343; the translation arm 342 is slidably connected to the main frame 1 along the length direction of the main frame 1.
[0040] When the first torsion spring 33 and the second torsion spring 35 are in the reset state, the rocking arm 341 protrudes downward from the frame body, and the transport frame 31 is connected to the translation arm 342, so that the plane where the transport frame 31 is located tends to be perpendicular to the ground and cannot rotate, and can be used for walking on the ground; when moving into the car, the moving roller 2 is rollingly connected to the car, driving the rocking arm 341 extending out of the main frame 1 and lower than the moving rollers 2 to overcome the torque of the second torsion spring 35 and rotate backward, driving the translation arm 342 to move forward and thus disconnect from the transport frame 31; when the transport frame 31 moves into the car, it overcomes the torque of the first torsion spring 33 and rotates backward; when moving out of the car, the transport frame 31 is first reset under the action of the first torsion spring 33; the translation arm 342 is reset under the reset force of the second torsion spring 35, and the connection with the transport frame 31 is restored.
[0041] The carrying device of the utility model can realize time-saving, labor-saving and safe transportation on the ground through the transport rollers 32 of the transport device 3; when loading and transporting the cargo from the ground, the height of the transport frame 31 adapts to the height of the vehicle, enters the car from one end of the main frame, and rolls in the car by moving the rollers 2 while using the rotation of the rocker mechanism 34 to unlock the transport frame 31, so that the transport frame 31 rotates toward the main frame 1 when reaching the car, thereby reducing the overall height of the car and cargo; when moving out of the car to the ground, the transport frame 31 first moves out of the car and rotates to be perpendicular to the ground under the restoring force of the first torsion spring 33; then, the rocking arm 341 rotates under the restoring force of the second torsion spring 35, driving the translation arm 342 to move to connect with the transport frame 31, thereby achieving the height of the long materials not being changed when the car and cargo are unloaded, thereby improving the safety and efficiency of unloading.
[0042] The specific structure and principle of the carrier of the present utility model are described in detail below through specific embodiments.
[0043] In some specific embodiments, reference Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 A plurality of first grooves 11 for accommodating the transport rollers 32 are formed on the lower side of the main frame 1 ; when the transport rollers 32 are moved into the carriage, each transport roller 32 is partially located in each first groove 11 .
[0044] The carrier of this embodiment prevents the transport roller 32 from participating in the movement in the carriage, causing the moving roller 2 to deviate from the track and affect the efficiency and accuracy of the carrier's movement in the carriage, thereby improving the efficiency and quality of loading the carrier.
[0045] In some specific embodiments, reference Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 A second groove 12 for accommodating the transport frame 31 and the rocker mechanism 34 is formed on the lower side of the main frame body 1. The second groove 12 has a length along the length direction of the main frame body 1 and an opening facing downward.
[0046] The transport frame 31 includes a first cross beam 311, a second cross beam 312, and two longitudinal beams 313, which are fixedly connected head to tail to form a square; one end of the longitudinal beam 313 is located in the second groove 12, and is rotatably connected to the main frame body 1, and the rotating shaft is the first cross beam 311; the translation arm 342 is located in the second groove 12; one end of the rocking arm 341 is located in the second groove 12, and is rotatably connected to the main frame body 1.
[0047] The carrier device of this embodiment accommodates the transport frame 31 and the swing arm 341 when loading.
[0048] In some specific embodiments, reference Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 The first groove 11 and the second groove 12 are commonly referred to as the second groove 12 .
[0049] In some specific embodiments, reference Figure 1 , Figure 2 , Figure 3 , Figure 4, Figure 5 , Figure 6 , Figure 7 The transport device 3 includes a plurality of first torsion springs 33 and two transport rollers 32; each first torsion spring 33 is evenly arranged along the first beam 311, and the two arms of the first torsion spring 33 are respectively connected to the main frame 1 and the second beam 312; the two transport rollers 32 are respectively arranged at both ends of the second beam 312.
[0050] In some specific embodiments, reference Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 The handling device 3 includes two rocker mechanisms 34 , which are respectively arranged corresponding to the longitudinal beams 313 ; the second grooves 12 are respectively arranged corresponding to the rocker mechanisms 34 .
[0051] A first right-angle structure 314 is formed at one end of each longitudinal beam 313 , and includes a first right-angle side 316 and a second right-angle side 315 . The first right-angle side 316 is along the length direction of the longitudinal beam 313 ; and the second right-angle side 315 faces the translation arm 342 .
[0052] A second right-angle structure 348 is formed at one end of the translation arm 342 close to the transport rack 31 and facing the transport rack 31, which includes a third right-angle side 349 and a fourth right-angle side 340; the third right-angle side 349 is along the length direction of the translation arm 342; when the first torsion spring 33 and the second torsion spring 35 are reset, the first right-angle structure 314 is connected to the second right-angle structure 348, and the third right-angle side 349 is located below the second right-angle side 315; the first right-angle side 316 is located on the outside of the end of the translation arm 342 to prevent the transport rack 31 from rotating left and right.
[0053] The transport device of this embodiment is provided with two rocker mechanisms 34 for locking both ends of the transport frame 31 in the width direction, so that the transport frame 31 is more stable when the transport device 3 performs the transport function, thereby improving the stability and safety of the transport.
[0054] In some specific embodiments, reference Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 The guide rail 343 is a long through hole formed at one end of the rocking arm 341 along its length direction; the slider 347 is installed in the long through hole and can slide along the length direction of the long through hole.
[0055] In some specific embodiments, reference Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 A U-shaped third groove 344 is formed at one end of the rocking arm 341, and includes a first groove wall 345 and a second groove wall 346; corresponding long through holes are formed on the first groove wall 345 and the second groove wall 346 respectively; an end of the translation arm 342 away from the transport frame 31 is located between the first groove wall 345 and the second groove wall 346;
[0056] The slider 347 is a sliding shaft with an axis perpendicular to the length direction of the translation arm 342. Threads are formed at both ends of the slider. After passing through the long through holes on the first groove wall 345 and the second groove wall 346, the slider 347 is located outside the two long through holes and connected to nuts respectively.
[0057] The carrier device of this embodiment is installed in the third groove 344 through one end of the translation arm 342, so as to improve the balance of force on the translation arm 342 and prevent uneven wear and jamming.
[0058] In some specific embodiments, reference Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , and also includes a plurality of limiting rollers 4, which are arranged in multiple rows along the length direction of the main frame 1 and in multiple rows along the width direction of the main frame 1, are located below the main frame 1, and are rotatably connected to the main frame 1 respectively, and the rotating shaft is perpendicular to the ground, and is used for lateral limiting.
[0059] That is, the limiting rollers 4 are arranged in multiple rows along the length direction of the main frame 1, each row includes two limiting rollers 4, and are located on the same straight line in the length direction of the main frame 1, and are used to roll with the side of the track set in the car to limit the movement of the transport device in the car.
[0060] The carrier device of this embodiment improves the safety, reliability and efficiency of loading and unloading, and prevents jamming and dislocation.
[0061] In some specific embodiments, reference Figure 1 , Figure 2 , Figure 3 , Figure 4 The carrying device also includes at least one handle 5, which is formed with a handle 51 of an annular structure or a partial annular structure; the handle 5 is fixedly arranged at one end of the main frame 1 facing outside the vehicle; the plane where the annular structure of the handle 51 is located is parallel to the length direction of the main frame 1.
[0062] The transport device of this embodiment facilitates human-assisted loading, unloading and transportation, thereby improving loading efficiency, unloading efficiency and transportation efficiency.
[0063] In some specific embodiments, reference Figure 1 , Figure 2 , Figure 3 , Figure 4 The transport device also includes a fixing device 6, which is a snap-on structure and is arranged on the upper side of the main frame 1 for fixing long materials.
[0064] The carrier of this embodiment improves the fixation and removal of the long material on the carrier through the fixing device 6 of the buckle-type structure.
[0065] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are 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 direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.
[0066] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.
[0067] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection 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 specific circumstances.
[0068] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.
[0069] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.
[0070] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.
Claims
1. A carrier, characterized in that: include: The main frame is long and is used to hold long materials; A plurality of movable rollers are arranged in multiple rows along the length direction of the main frame and in multiple rows along the width direction of the main frame below the main frame, are rotatably connected to the main frame respectively, and have rotating shafts parallel to the ground and at the same height, and are used for rolling into the carriage when loading and rolling out of the carriage when unloading; A plurality of transport devices are evenly arranged along the length direction of the main frame, including a transport frame, a plurality of transport rollers, at least one first torsion spring, at least one rocker mechanism and a second torsion spring; the transport frame has a length and a width, one end of the length direction is rotatably mounted under the main frame through the first torsion spring, and a plurality of transport rollers are arranged in the width direction of the other end, which are rotatably connected to the transport frame respectively, and the rotating shaft is along the width direction of the transport frame; the rocker mechanism includes a translation arm and a rocking arm; the rocking arm is rotatably connected to the main frame through the second torsion spring, and one end of the rocking arm is formed with a guide rail along its length direction; one end of the translation arm is provided with a guide rail rotatable with the guide rail A slider is slidably installed and slidably installed with the guide rail, and is slidably connected to the main frame along the length direction of the main frame; when the first torsion spring and the second torsion spring are in a reset state, the transport frame is connected to the translation arm; the transport frame tends to be perpendicular to the ground and can be used to walk on the ground; when moving into the carriage, the rocking arm overcomes the torsion force of the second torsion spring and rotates backward, driving the translation arm to disconnect from the transport frame; the transport frame overcomes the torsion force of the first torsion spring and rotates backward; when moving out of the carriage, the transport frame is first reset under the action of the first torsion spring; the translation arm is reset under the action of the second torsion spring and restores the connection with the transport frame.
2. The carrier according to claim 1, characterized in that: A plurality of first grooves for accommodating the transport rollers are formed on the lower side of the main frame; when the transport rollers are moved into the carriage, each of the transport rollers is partially located in each of the first grooves.
3. The carrier according to claim 1, characterized in that: A second groove for accommodating the transport frame and the rocker mechanism is formed on the lower side of the main frame, the second groove has a length along the length direction of the main frame and an opening facing downward; The transport frame includes a first cross beam, a second cross beam, and two longitudinal beams, which are fixedly connected head to tail to form a square; one end of the longitudinal beam is located in the second groove and is rotatably connected to the main frame; the translation arm is located in the second groove; one end of the rocking arm is located in the second groove and is rotatably connected to the main frame.
4. The carrier according to claim 3, characterized in that The transport device comprises a plurality of first torsion springs and two transport rollers; the first torsion springs are evenly arranged along the first cross beam; and the two transport rollers are respectively arranged at two ends of the second cross beam.
5. The carrier according to claim 3, characterized in that: The handling device comprises two rocker mechanisms, which are respectively arranged corresponding to the longitudinal beams; the second grooves are respectively arranged corresponding to the rocker mechanisms; A first right-angle structure is formed at one end of each longitudinal beam, which includes a first right-angle side and a second right-angle side; the first right-angle side is along the length direction of the longitudinal beam; the second right-angle side faces the translation arm; A second right-angle structure facing the transport frame is formed at one end of the translation arm close to the transport frame, and includes a third right-angle side and a fourth right-angle side; the third right-angle side is along the length direction of the translation arm; when the first torsion spring and the second torsion spring are reset, the first right-angle structure is connected to the second right-angle structure, and the third right-angle side is located below the second right-angle side.
6. The carrier according to claim 5, characterized in that One end of the swing arm is formed with a long through hole along its length direction; the sliding block is installed in the long through hole and can slide along the length direction of the long through hole.
7. The carrier according to claim 6, characterized in that A U-shaped third groove is formed at one end of the rocking arm, and includes a first groove wall and a second groove wall; the corresponding long through holes are formed on the first groove wall and the second groove wall respectively; an end of the translation arm away from the transport frame is located between the first groove wall and the second groove wall; The sliding block is a sliding shaft with an axis perpendicular to the length direction of the translation arm. It passes through the long through hole and its two ends are respectively located outside the long through hole and are respectively connected to nuts.
8. The carrier according to any one of claims 1 to 7, characterized in that: It also includes a plurality of limiting rollers, which are arranged in multiple rows along the length direction of the main frame and in multiple rows along the width direction of the main frame, are located below the main frame, are rotatably connected to the main frame respectively, and the rotating shaft is perpendicular to the ground area for lateral limiting.
9. The carrier according to any one of claims 1 to 7, characterized in that: It also includes at least one handle, which is formed into a handle with an annular structure or a partial annular structure; the handle is fixedly arranged at one end of the main frame facing the outside of the carriage; the plane where the annular structure of the handle is located is parallel to the length direction of the main frame.
10. The carrier according to any one of claims 1 to 7, characterized in that: It also includes a fixing device, which is a snap-on structure and is arranged on the upper side of the main frame for fixing the long material.