Lightweight logistics trolley

Abstract

The application discloses a light-weighted logistics trolley and relates to the technical field of logistics transportation; the trolley comprises a trolley body, the trolley body comprises a base, two rotating arms are arranged above the base in a rotating mode, a feeding mechanism is fixedly installed at the middle part of one side of the base, the feeding mechanism comprises a rotating shaft, a plurality of curved arms are arranged on the rotating shaft in a rotating mode, arc-shaped supporting arms are fixedly installed at the ends of the curved arms away from the base, the side, on which the curved arms are provided with the arc-shaped supporting arms, of the base is fixedly installed with a bottom plate, a driving mechanism is fixedly installed at the center of the top end of the base, the driving mechanism comprises a moving seat and a plurality of sliding rails, a clamping mechanism is arranged outside the driving mechanism, the clamping mechanism comprises two clamping plates, the curved arms and the arc-shaped supporting arms can be deflected around the rotating shaft, the goods on the arc-shaped supporting arms are transported, the two clamping plates moving towards each other are used for clamping and fixing the goods, the goods are prevented from falling in the transportation process, the goods are safely unloaded on the ground through the deflection of the rotating arms.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of logistics transportation, in particular to a lightweight logistics trolley. BACKGROUND

[0002] The logistics trolley is a unit mobile assembly device for conveying and storing materials, which is commonly used for logistics distribution in large supermarkets or logistics turnover between processes in factories.

[0003] The existing logistics trolley is usually assembled by steel material, which makes the trolley heavy. Therefore, lightweight metal is used for manufacturing. When transporting large items, the items need to be manually carried onto the trolley for transportation, and then manually unloaded. It is inconvenient to manually carry some heavy or large items, and the carrier is easily injured by the items, which is dangerous to the carrier. Therefore, a lightweight logistics trolley is needed to automatically transport heavy or large items onto the trolley, clamp and limit the items, prevent the items from falling due to shaking during transportation, and automatically unload the items. To solve the above problems, the present application provides a lightweight logistics trolley. SUMMARY

[0004] In order to solve the problems that it is inconvenient to manually carry some heavy or large items, the carrier is easily injured by the items, which is dangerous to the carrier, and the transported items need to be clamped and limited to prevent the items from falling due to shaking during transportation, the present application provides a lightweight logistics trolley.

[0005] To solve the above technical problems, the present application adopts the following technical scheme: a light logistics trolley, comprising a trolley body, the trolley body comprises a base, and the base is concave, two first supporting plates and a second supporting plate are arranged above the base, and the second supporting plate is located between the two first supporting plates, and a rotating arm is rotatably arranged between the first supporting plate and the second supporting plate; a feeding mechanism is fixedly installed on the middle part of one side of the concave base, the feeding mechanism comprises a plurality of fixed seats arranged in a straight line, a rotating shaft is rotatably arranged on each fixed seat, a plurality of curved arms are rotatably arranged on the rotating shaft, a roller is rotatably arranged on one end of the curved arm close to the base, an arc-shaped supporting arm is fixedly installed on the end of the curved arm away from the base, a bottom plate is fixedly installed on one side of each curved arm provided with the arc-shaped supporting arm, and a second spring is arranged on each side of the bottom plate perpendicular to the two sides of the curved arm arranged in a straight line; a driving mechanism is fixedly installed at the center of the top end of the base, the driving mechanism comprises three first supporting plates arranged in a straight line, a threaded sleeve is rotatably arranged on each first supporting plate arranged in a straight line, a first screw is threadedly arranged in the threaded sleeve, a moving seat is fixedly installed on one end of the first screw close to the feeding mechanism, and a plurality of sliding rails arranged in a straight line are fixedly installed in the moving seat; a clamping mechanism is arranged on the outer side of the driving mechanism, the clamping mechanism comprises four second supporting plates arranged in a straight line, a second screw is rotatably arranged on each second supporting plate, two moving plates are threadedly arranged on the second screw, a plurality of Z-shaped blocks arranged in a straight line are fixedly installed on the top end of each moving plate, a rectangular plate is fixedly installed on the top end of each Z-shaped block, a plurality of third springs arranged in a rectangular shape are fixedly installed on one side of the rectangular plate close to the base, and a clamping plate is fixedly installed on one side of each third spring away from the rectangular plate.

[0006] Preferably, a concave surrounding plate is fixedly installed on the outer circle of the base, and the concave surrounding plate is located on the same side as the feeding mechanism, and the first supporting plate and the second supporting plate are fixedly connected with the concave surrounding plate.

[0007] Preferably, a rotating rod is rotatably arranged on one end of the rotating arm close to the feeding mechanism, and the rotating rod is fixedly installed on the first supporting plate and the second supporting plate on the side surface of the rotating arm, a plurality of rollers arranged in a rectangular shape are rotatably arranged on the top end of the rotating arm, and first hinged seats are rotatably arranged on the bottom end and the telescopic end of the electric cylinder, and the two first hinged seats are fixedly connected with the bottom end of the rotating arm above and the top end of the base, respectively.

[0008] Preferably, a plurality of said fixing bases are fixedly installed on one side of the base in a concave shape, a plurality of first springs in a rectangular distribution are fixedly installed on one end of the bottom plate away from the base, a plurality of said first springs are fixedly installed on one end of the buffer plate away from the bottom plate, and the buffer plate is slidably arranged on a plurality of curved arms, a first limiting cylinder is slidably arranged in the first spring, and the bottom end of the first limiting cylinder is fixedly connected with the bottom plate, a first limiting rod is slidably arranged in the first limiting cylinder, and the top end of the first limiting rod is fixedly connected with the bottom end of the buffer plate, a first limiting groove is formed in the outer circle of the first limiting rod, and a first limiting block is fixedly installed on the inner circle of the first limiting cylinder and can slide in the first limiting groove.

[0009] Preferably, a second limiting cylinder is slidably arranged in the second spring, and the second limiting cylinder is fixedly connected with one connecting arm, a second limiting rod is slidably arranged in the second limiting cylinder, and the second limiting rod is fixedly connected with the other connecting arm, a second limiting block is fixedly installed on the outer circle of the second limiting rod, a second limiting groove is formed in the inner circle of the second limiting cylinder, and the second limiting block is slidably arranged in the second limiting groove, a connecting column is fixedly installed between the two second supporting plates on one side, and the connecting arms at both ends of the second spring are respectively rotatably connected with the connecting column and the fixed column.

[0010] Preferably, the bottom end and the top end of each of the three first supporting plates are fixedly connected with the top end of the base and the bottom ends of the first supporting plate and the second supporting plate, respectively, a drive shaft is rotatably arranged on each of two first supporting plates that are away from the feeding mechanism among the three first supporting plates, a first motor is fixedly installed on the bottom end of the second supporting plate, and the output end of the first motor is fixedly connected with one end of the drive shaft, a first gear is fixedly installed on the outer circle of the threaded sleeve, and the two first gears are meshed with each other, a second gear is fixedly installed on the drive shaft, and the second gear is meshed with one of the two first gears.

[0011] Preferably, four third limiting cylinders in a rectangular distribution are fixedly installed on each of the three first supporting plates, a third limiting rod is slidably arranged in each of the third limiting cylinders, one end of the third limiting rod close to the feeding mechanism is fixedly connected with the moving seat, a third limiting block is fixedly installed on the outer circle of the third limiting rod, a third limiting groove is formed in the inner circle of the third limiting cylinder, and the third limiting block is slidably arranged in the third limiting groove, and a plurality of said rollers can slide on the side of the corresponding slide rail close to the first supporting plate.

[0012] Preferably, the bottom end and the top end of the four second supporting plates are fixedly connected with the top end of the base and the bottom end of the first supporting plate and the second supporting plate respectively, the thread on the second screw is a bidirectional thread, a third gear is fixedly installed on the second screw, a second motor is fixedly installed on the top end of the base, a fourth gear is fixedly installed on the output end of the second motor, and the fourth gear is engaged with the third gear.

[0013] Preferably, the two moving plates are respectively located between two second supporting plates on the same side, the two groups of Z-shaped blocks are slidingly arranged on the two first supporting plates respectively, the two rectangular plates are respectively located above the two first supporting plates and between the two second supporting plates on one side, a plurality of guide rods are fixedly installed between the two second supporting plates, and the moving plate between the two second supporting plates is slidingly arranged on the plurality of guide rods.

[0014] Preferably, two second hinge seats are fixedly installed on one side of the rectangular plate close to the base, two swing arms are hingedly connected to the second hinge seats, a moving column is rotatably arranged at the end of each swing arm away from the second hinge seat, two groups of connecting blocks are fixedly installed on one side of the clamping plate close to the rectangular plate, a sliding rod is fixedly installed on one connecting block, and the two moving columns connected to the second hinge seat are slidingly sleeved on the outer circle of the sliding rod on the clamping plate on one side of the rectangular plate.

[0015] Compared with the prior art, the present application has the following beneficial effects:

[0016] 1. The present application utilizes the rotation of the threaded sleeve to drive the moving seat and the sliding rail to move, the side of the sliding rail contacts the roller on the curved arm, the downward movement of the roller drives the curved arm and the arc-shaped supporting arm to deflect around the rotating shaft, the articles on the arc-shaped supporting arm are transported, and finally can slide off the inclined buffer plate to the top of the two rotating arms, completing the process of transporting larger or heavier articles to the trolley;

[0017] 2. The present application utilizes the rotation of the second screw to drive the two rectangular plates to move towards each other, the movement of the rectangular plates drives the clamping plate connected to the third spring on one side of the rectangular plate to move, the two clamping plates moving towards each other and the compression of the third spring clamp and fix the articles, preventing the articles from falling during transportation;

[0018] 3. The present application utilizes the electric cylinder to drive the rotating arm to deflect around the rotating rod, so that the articles on the rotating arm can re-contact the arc-shaped supporting arm, and then utilizes the reverse movement of the moving seat and the elastic force of the second spring to transport the articles on the arc-shaped supporting arm, so that the articles can finally slide off the arc-shaped supporting arm and be safely unloaded on the ground;

[0019] 4. The metal parts contained in the trolley body, the feeding mechanism and the clamping mechanism in the present application are all made of aluminum alloy, which can reduce the overall weight of the logistics trolley and facilitate personnel to push. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. 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 creative effort.

[0021] Figure 1 This is a schematic diagram of the overall structure of the present invention.

[0022] Figure 2 This is a schematic diagram of the overall cross-sectional structure of the present invention.

[0023] Figure 3 This is a schematic diagram of the material feeding state structure of the present invention.

[0024] Figure 4 This is a schematic diagram of the vehicle body structure of the present invention.

[0025] Figure 5 This is a schematic diagram of the feeding mechanism of the present invention.

[0026] Figure 6 This is a schematic cross-sectional view of the drive mechanism of the present invention.

[0027] Figure 7 This is a schematic diagram of the clamping mechanism of the present invention.

[0028] Figure 8 For the present invention Figure 2 Enlarged schematic diagram of the structure at point A in the middle.

[0029] Figure 9 For the present invention Figure 2 Enlarged schematic diagram of the structure at point B.

[0030] Figure 10 For the present invention Figure 2 Enlarged schematic diagram of the structure at point C.

[0031] Figure 11 For the present invention Figure 4 Enlarged schematic diagram of the structure at point D.

[0032] Figure 12 For the present invention Figure 6 Enlarged schematic diagram of the structure at point E in the middle.

[0033] Figure 13 For the present invention Figure 7 Enlarged schematic diagram of the structure at point F.

[0034] In the figure: 1, vehicle body; 101, base; 102, concave coaming; 103, first supporting plate; 104, second supporting plate; 105, rotating arm; 106, rotating rod; 107, ball; 108, electric cylinder; 109, first hinged seat; 2, feeding mechanism; 201, fixed seat; 202, rotating shaft; 203, curved arm; 204, arc-shaped supporting arm; 205, bottom plate; 206, first spring; 207, first limiting cylinder; 208, first limiting rod; 209, buffer plate; 210, fixed column; 211, connecting arm; 212, second limiting cylinder; 213, second limiting rod; 214, second spring; 215, roller; 3, driving mechanism; 301, first supporting plate; 302, third limiting cylinder; 303, third limiting rod; 304, threaded sleeve; 305, first screw rod; 306, first gear; 307, driving shaft; 308, second gear; 309, first motor; 310, moving seat; 311, slide rail; 4, clamping mechanism; 401, second supporting plate; 402, second screw rod; 403, third gear; 404, fourth gear; 405, second motor; 406, guide rod; 407, moving plate; 408, Z-shaped block; 409, rectangular plate; 410, second hinged seat; 411, swing arm; 412, moving column; 413, slide rod; 414, connecting block; 415, third spring; 416, clamping plate; 417, connecting column. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0036] Embodiment: as Figures 1-13As shown, the present application provides a lightweight logistics trolley, including a trolley body 1, the trolley body 1 includes a base 101, and the base 101 is concave, the top of the base 101 is provided with two first supporting plates 103 and a second supporting plate 104, and the second supporting plate 104 is located between the two first supporting plates 103, and a rotating arm 105 is rotatably arranged between the first supporting plate 103 and the second supporting plate 104; the middle of one side of the concave base 101 is fixedly installed with a feeding mechanism 2, the feeding mechanism 2 includes a plurality of fixed seats 201 arranged in a straight line, a rotating shaft 202 is rotatably arranged on each fixed seat 201, a plurality of curved arms 203 are rotatably arranged on the rotating shaft 202, a roller 215 is rotatably arranged on one end of the curved arm 203 close to the base 101, an arc-shaped supporting arm 204 is fixedly installed on one end of the curved arm 203 away from the base 101, a bottom plate 205 is fixedly installed on one side of the curved arm 203 provided with the arc-shaped supporting arm 204, and a second spring 214 is arranged on both sides of the bottom plate 205 perpendicular to the curved arm 203 arranged in a straight line; a driving mechanism 3 is fixedly installed at the center of the top end of the base 101, the driving mechanism 3 includes three first supporting plates 301 arranged in a straight line, a threaded sleeve 304 is rotatably arranged on each first supporting plate 301 arranged in a straight line, a first screw 305 is threadedly arranged in the threaded sleeve 304, a moving seat 310 is fixedly installed on one end of the first screw 305 close to the feeding mechanism 2, and a plurality of sliding rails 311 arranged in a straight line are fixedly installed in the moving seat 310; a clamping mechanism 4 is arranged on the outer side of the driving mechanism 3, the clamping mechanism 4 includes four second supporting plates 401 arranged in a straight line, a second screw 402 is rotatably arranged on each second supporting plate 401, two moving plates 407 are threadedly arranged on the second screw 402, a plurality of Z-shaped blocks 408 arranged in a straight line are fixedly installed on the top end of each moving plate 407, a rectangular plate 409 is fixedly installed on the top end of each Z-shaped block 408, a plurality of third springs 415 arranged in a rectangular shape are fixedly installed on one side of the rectangular plate 409 close to the base 101, and a clamping plate 416 is fixedly installed on one side of each third spring 415 away from the rectangular plate 409, the metal parts included in the trolley body 1, the feeding mechanism 2 and the clamping mechanism 4 in the present application are all made of aluminum alloy.

[0037] The outer ring of the base 101 is fixedly installed with a concave surrounding plate 102, and the concave side of the concave surrounding plate 102 is located on the same side as the feeding mechanism 2, and the first supporting plate 103 and the second supporting plate 104 are fixedly connected with the concave surrounding plate 102.

[0038] By adopting the above technical scheme, the concave surrounding plate 102 can support and protect the articles on the trolley.

[0039] The rotating arm 105 is rotatably provided with a rotating rod 106 at one end close to the feeding mechanism 2, and the rotating rod 106 is fixedly installed on the first supporting plate 103 and the second supporting plate 104 on the side of the rotating arm 105, the top end of the rotating arm 105 is rotatably provided with a plurality of balls 107 distributed in a rectangular shape, and the bottom end and the telescopic end of the electric cylinder 108 are rotatably provided with first hinged seats 109, and the two first hinged seats 109 are respectively fixedly connected with the bottom end of the rotating arm 105 and the top end of the base 101 above them.

[0040] By adopting the above technical scheme, the rotating arm 105 can deflect around the rotating rod 106.

[0041] A plurality of fixed seats 201 are fixedly installed on one side of the base 101 in a concave shape, a plurality of first springs 206 distributed in a rectangular shape are fixedly installed on one end of the bottom plate 205 away from the base 101, a plurality of buffer plates 209 are fixedly installed on one end of the first spring 206 away from the bottom plate 205, and the buffer plate 209 is slidably arranged on the plurality of curved arms 203, a first limiting cylinder 207 is slidably arranged in the first spring 206, and the bottom end of the first limiting cylinder 207 is fixedly connected with the bottom plate 205, a first limiting rod 208 is slidably arranged in the first limiting cylinder 207, and the top end of the first limiting rod 208 is fixedly connected with the bottom end of the buffer plate 209, a first limiting groove is formed in the outer circle of the first limiting rod 208, and a first limiting block is fixedly installed on the inner circle of the first limiting cylinder 207, and the first limiting block can slide in the first limiting groove.

[0042] By adopting the above technical scheme, the arc-shaped plate 209 can compress the first spring 206 to buffer the transported articles.

[0043] The second spring 214 is fixedly installed with a connecting arm 211 at both ends, a second limiting cylinder 212 is slidably arranged in the second spring 214, and the second limiting cylinder 212 is fixedly connected with one connecting arm 211, a second limiting rod 213 is slidably arranged in the second limiting cylinder 212, and the second limiting rod 213 is fixedly connected with the other connecting arm 211, a second limiting block is fixedly installed on the outer circle of the second limiting rod 213, a second limiting groove is formed in the inner circle of the second limiting cylinder 212, and the second limiting block is slidably arranged in the second limiting groove, a connecting column 417 is fixedly installed between the two second supporting plates 401 on one side, and the connecting arms 211 at both ends of the second spring 214 are respectively rotatably connected with the connecting column 417 and the fixed column 210.

[0044] By adopting the above technical scheme, the arc-shaped supporting arm 204 can be reset by the elastic force of the second spring 214.

[0045] The bottom end and the top end of the three first support plates 301 are fixedly connected with the top end of the base 101 and the bottom end of the first supporting plate 103 and the second supporting plate 104, respectively, two first support plates 301 of the three first support plates 301 away from the feeding mechanism 2 are provided with a driving shaft 307 rotatingly arranged thereon, the bottom end of the second supporting plate 104 is fixedly installed with a first motor 309, and the output end of the first motor 309 is fixedly connected with one end of the driving shaft 307, the outer ring of the threaded sleeve 304 is fixedly installed with a first gear 306, and the two first gears 306 are meshed with each other, the driving shaft 307 is fixedly installed with a second gear 308, and the second gear 308 is meshed with one of the two first gears 306.

[0046] By adopting the above technical scheme, the driving shaft 307 is rotated to drive the movement of the moving seat 310.

[0047] The three first support plates 301 are fixedly installed with four third limiting cylinders 302 distributed in a rectangular shape, the third limiting cylinders 302 are slidably provided with third limiting rods 303 inside, one end of the third limiting rod 303 close to the feeding mechanism 2 is fixedly connected with the moving seat 310, the outer ring of the third limiting rod 303 is fixedly installed with a third limiting block, the inner ring of the third limiting cylinder 302 is provided with a third limiting groove, and the third limiting block is slidably arranged inside the third limiting groove, and the plurality of rollers 215 can slide on the side of the corresponding slide rail 311 close to the first support plate 301.

[0048] By adopting the above technical scheme, the third limiting cylinder 302 can limit the third limiting rod 303 connected with the moving seat 310.

[0049] The bottom end and the top end of the four second support plates 401 are fixedly connected with the top end of the base 101 and the bottom end of the first supporting plate 103 and the second supporting plate 104, respectively, the threads on the second screw rod 402 are bidirectional threads, the second screw rod 402 is fixedly installed with a third gear 403, the top end of the base 101 is fixedly installed with a second motor 405, the output end of the second motor 405 is fixedly installed with a fourth gear 404, and the fourth gear 404 is meshed with the third gear 403.

[0050] By adopting the above technical scheme, the second motor 405 can drive the second screw rod 402 to rotate.

[0051] Two mobile plates 407 are respectively located between two second support plates 401 on the same side, two groups of Z-shaped blocks 408 are respectively slidably arranged on two first support plates 103, two rectangular plates 409 are respectively located above two first support plates 103 and between two second support plates 401 on one side, and a plurality of guide rods 406 are fixedly arranged between two second support plates 401, and the mobile plate 407 between two second support plates 401 is slidably arranged on the plurality of guide rods 406.

[0052] By adopting the above technical scheme, the two mobile plates 407 can move towards each other.

[0053] The side of the rectangular plate 409 close to the base 101 is fixedly provided with two second hinge seats 410, the two second hinge seats 410 are hingedly connected with two swing arms 411, the ends of the two swing arms 411 away from the second hinge seats 410 are rotatably provided with mobile columns 412, the side of the clamping plate 416 close to the rectangular plate 409 is fixedly provided with two groups of connecting blocks 414, one group of the connecting blocks 414 is fixedly provided with a sliding rod 413, and the two mobile columns 412 connected with the second hinge seats 410 are slidably arranged outside the outer ring of the sliding rod 413 on the clamping plate 416 on one side.

[0054] By adopting the above technical scheme, the rectangular plate 409 can support the clamping plate 416.

[0055] Working principle: when the trolley is used, the trolley is pushed to the larger or heavier object, then the trolley is in the loading state, the object is pushed to the arc-shaped supporting arm 204, then the first motor 309 drives the driving shaft 307 to rotate, the driving shaft 307 drives the second gear 308 to rotate, the second gear 308 is engaged with a first gear 306, and the first gears 306 on the two threaded sleeves 304 are engaged with each other, so that the driving shaft 307 can drive the two threaded sleeves 304 to rotate, when the threaded sleeve 304 rotates, the third limiting rod 303 on the moving seat 310 connected with the first screw rod 305 arranged with threads in the threaded sleeve 304 can slide in the third limiting cylinder 302, so that the rotation of the threaded sleeve 304 can drive the moving seat 310 to move, the moving of the moving seat 310 drives the sliding rail 311 to move, one side of the sliding rail 311 is in contact with the roller 215 on the curved arm 203, so that the roller 215 can roll on the sliding rail 311 and move downward, the downward movement of the roller 215 drives the curved arm 203 to deflect around the rotating shaft 202, the deflection of the curved arm 203 drives the arc-shaped supporting arm 204 to deflect, the object on the arc-shaped supporting arm 204 is transported, and the second spring 214 connected with the bottom plate 205 is compressed in the deflection process, with the deflection of the arc-shaped supporting arm 204, the object on it slides thereon and contacts the buffer plate 209, and the first spring 206 can be compressed, the object is buffered, when the moving seat 310 moves to contact the first supporting plate 301 closest to it, the object on the arc-shaped supporting arm 204 slides from the inclined buffer plate 209 to the upper side of the two rotating arms 105, completing the process of carrying the larger or heavier object to the trolley;

[0056] Then the second motor 405 drives the fourth gear 404 to rotate, the fourth gear 404 drives the third gear 403 and the second screw rod 402 at the center thereof to rotate, the second screw rod 402 drives the two moving plates 407 thereon to move towards each other, the moving of the moving plate 407 drives the Z-shaped block 408 and the rectangular plate 409 connected therewith to move, the movement of the rectangular plate 409 drives the clamping plate 416 connected with the third spring 415 on one side thereof to move, the two clamping plates 416 move towards each other and compress the third spring 415, so as to clamp and fix the object, preventing the object from falling during transportation;

[0057] When the object needs to be unloaded, the rotating arm 105 is deflected around the rotating rod 106 by the electric cylinder 108, so that the object thereon can re-contact the arc-shaped supporting arm 204, then the reverse movement of the moving seat 310 is utilized, and the elastic force of the second spring 214 is utilized to make the arc-shaped supporting arm 204 transport the object thereon, so that the object can finally slide down from the arc-shaped supporting arm 204 and be safely unloaded on the ground.

[0058] Obviously, many modifications and variations of the present application are possible in light of the above teachings. It is, therefore, to be understood that within the scope of the appended claims and their equivalents, the application can be practiced otherwise than as specifically described.

Claims

1. A lightweight logistics trolley comprising a trolley body (1), characterized in that: The vehicle body (1) includes a base (101), and the base (101) is concave, two first supporting plates (103) and a second supporting plate (104) are arranged above the base (101), the second supporting plate (104) is located between the two first supporting plates (103), and a rotating arm (105) is rotatably arranged between the first supporting plate (103) and the second supporting plate (104); a feeding mechanism (2) is fixedly installed at the middle of one side of the base (101), the feeding mechanism (2) includes a plurality of fixed seats (201) arranged in a straight line, a rotating shaft (202) is rotatably arranged on each fixed seat (201), a plurality of curved arms (203) are rotatably arranged on the rotating shaft (202), a roller (215) is rotatably arranged at one end of the curved arm (203) close to the base (101), an arc-shaped supporting arm (204) is fixedly installed at one end of the curved arm (203) away from the base (101), a bottom plate (205) is fixedly installed on one side of the curved arm (203) provided with the arc-shaped supporting arm (204), and the bottom plate (205) is provided with a second spring (214) on each side perpendicular to the curved arms (203) arranged in a straight line; a driving mechanism (3) is fixedly installed at the center of the top end of the base (101), the driving mechanism (3) includes three first supporting plates (301) arranged in a straight line, a threaded sleeve (304) is rotatably arranged on each first supporting plate (301) arranged in a straight line, a first screw rod (305) is threadedly arranged in the threaded sleeve (304), a moving seat (310) is fixedly installed at one end of the first screw rod (305) close to the feeding mechanism (2), and a plurality of sliding rails (311) arranged in a straight line are fixedly installed in the moving seat (310); a clamping mechanism (4) is arranged outside the driving mechanism (3), the clamping mechanism (4) includes four second supporting plates (401) arranged in a straight line, a second screw rod (402) is rotatably arranged on each second supporting plate (401), two moving plates (407) are threadedly arranged on the second screw rod (402), a plurality of Z-shaped blocks (408) arranged in a straight line are fixedly installed at the top end of each moving plate (407), a rectangular plate (409) is fixedly installed at the top end of each Z-shaped block (408), a plurality of third springs (415) arranged in a rectangular shape are fixedly installed on one side of the rectangular plate (409) close to the base (101), and a clamping plate (416) is fixedly installed on one side of each third spring (415) away from the rectangular plate (409); The rotating arm (105) is rotatably provided with a rotating rod (106) at one end close to the feeding mechanism (2), and the rotating rod (106) is fixedly installed on the first supporting plate (103) and the second supporting plate (104) on the side of the rotating arm (105), the top end of the rotating arm (105) is rotatably provided with a plurality of balls (107) in a rectangular distribution, the bottom end and the telescopic end of the electric cylinder (108) are rotatably provided with first hinge seats (109), and the two first hinge seats (109) are respectively fixedly connected with the bottom end of the rotating arm (105) and the top end of the base (101) above them; The second spring (214) is fixedly installed with a connecting arm (211) at both ends, a second limiting barrel (212) is slidably arranged in the second spring (214), and the second limiting barrel (212) is fixedly connected with one connecting arm (211); a second limiting rod (213) is slidably arranged in the second limiting barrel (212), and the second limiting rod (213) is fixedly connected with the other connecting arm (211); a second limiting block is fixedly installed on the outer circle of the second limiting rod (213); a second limiting groove is formed in the inner circle of the second limiting barrel (212), and the second limiting block is slidably arranged in the second limiting groove; a connecting column (417) is fixedly installed between the two second supporting plates (401) on one side; and the connecting arms (211) at both ends of the second spring (214) are rotatably connected with the connecting column (417) and the fixed column (210) respectively. The bottom end and the top end of each of the three first supporting plates (301) are fixedly connected with the top end of the base (101) and the bottom end of the first supporting plate (103) and the second supporting plate (104); two first supporting plates (301) away from the feeding mechanism (2) are rotatably provided with a drive shaft (307) thereon; the bottom end of the second supporting plate (104) is fixedly installed with a first motor (309), and the output end of the first motor (309) is fixedly connected with one end of the drive shaft (307); a first gear (306) is fixedly installed on the outer circle of the threaded sleeve (304), and the two first gears (306) are meshed with each other; a second gear (308) is fixedly installed on the drive shaft (307), and the second gear (308) is meshed with one of the two first gears (306); Four third limiting barrels (302) in a rectangular distribution are fixedly installed on the three first supporting plates (301); a third limiting rod (303) is slidably arranged in each third limiting barrel (302), and one end of the third limiting rod (303) close to the feeding mechanism (2) is fixedly connected with a moving seat (310); a third limiting block is fixedly installed on the outer circle of the third limiting rod (303); a third limiting groove is formed in the inner circle of the third limiting barrel (302), and the third limiting block is slidably arranged in the third limiting groove; and a plurality of the rollers (215) can slide on the side of the corresponding slide rail (311) close to the first supporting plate (301). The bottom end and the top end of the four second supporting plates (401) are fixedly connected with the top end of the base (101) and the bottom end of the first supporting plate (103) and the second supporting plate (104), the thread on the second screw rod (402) is a bidirectional thread, the third gear (403) is fixedly installed on the second screw rod (402), the second motor (405) is fixedly installed at the top end of the base (101), the fourth gear (404) is fixedly installed at the output end of the second motor (405), and the fourth gear (404) is engaged with the third gear (403); The two moving plates (407) are located between two second supporting plates (401) on the same side, the two groups of Z-shaped blocks (408) are slidingly arranged on the two first supporting plates (103), the two rectangular plates (409) are located above the two first supporting plates (103), and the moving plate (407) located between the two second supporting plates (401) is slidingly arranged on the guide rods (406).

2. The lightweight logistics cart of claim 1, wherein, The concave surrounding plate (102) is fixedly installed at the outer ring of the base (101), and the concave side of the concave surrounding plate (102) is located on the same side as the feeding mechanism (2).

3. The lightweight logistics cart of claim 1, wherein, The fixing seats (201) are fixedly installed on the concave side of the base (101), the bottom plate (205) is fixedly installed with the first springs (206) in a rectangular distribution at the end away from the base (101), the first springs (206) are fixedly installed with the buffer plates (209) at the end away from the bottom plate (205), the buffer plates (209) are slidingly arranged on the curved arms (203), the first springs (206) are slidingly provided with the first limiting cylinders (207) inside, the bottom end of the first limiting cylinder (207) is fixedly connected with the bottom plate (205), the first limiting cylinder (207) is slidingly provided with the first limiting rods (208) inside, the top end of the first limiting rod (208) is fixedly connected with the bottom end of the buffer plate (209), the first limiting rod (208) is provided with the first limiting grooves at the outer ring, the first limiting cylinder (207) is fixedly installed with the first limiting blocks at the inner ring, and the first limiting blocks can slide in the first limiting grooves.

4. The lightweight logistics cart of claim 1, wherein, The rectangular plate (409) is fixedly installed with two second hinge seats (410) on one side close to the base (101), the second hinge seats (410) are hingedly connected with two swing arms (411), the two swing arms (411) are rotatably provided with moving columns (412) on the ends away from the second hinge seats (410), the clamping plates (416) are fixedly installed with two groups of connecting blocks (414) on one side close to the rectangular plate (409), one group of the connecting blocks (414) is fixedly installed with a sliding rod (413), and the two moving columns (412) connected with the second hinge seats (410) are slidingly sleeved on the outer rings of the sliding rods (413) on the clamping plates (416) on one side.

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