Automatic bulk cargo hoisting and carrying trolley

Abstract

The invention discloses an automatic bulk material hoisting and carrying trolley which comprises a frame, a centering mechanism, a translation mechanism, a rhombic frame, a modified woven bag and a lifting hook, a Mecanum wheel moving mechanism is mounted at the bottom of the frame, and a rotating mechanism, a control system and an ultrasonic sensor are mounted on the frame; the centering mechanism comprises two symmetrically-arranged supporting frames, the two supporting frames are rotationally connected to the two sides of the vehicle frame, and telescopic driving assemblies are installed between the vehicle frame and the supporting frames. The translation mechanism is mounted on the rotating mechanism through a hydraulic lifting arm; the rhombus frame is mounted at the moving end of the translation mechanism, and a first electric push rod and a pressure sensor are mounted on the rhombus frame; the modified woven bag comprises a woven bag body and a hoisting supporting structure, and the hoisting supporting structure is installed at the top of the outer side of the woven bag body. According to the invention, the function of automatically hoisting and carrying bulk materials in a set direction and a set distance can be realized, the intervention of people in the production process is reduced, the production safety is improved, the production danger is reduced, and the production efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of material transportation, and in particular to an automatic bulk material lifting and transporting trolley. Background Art

[0002] Bulk material lifting is widely used in industrial production, industrial product transportation, material transportation, etc. After the bulk materials are produced, they need to be packaged uniformly. Secondly, manual cooperation is required during the lifting and transportation process. However, the bulk material lifting on the market has not yet achieved process automation, and the production efficiency is low.

[0003] People participating in bulk material lifting pose a huge threat to their safety. Bulk materials may cause injuries during the handling process, causing production hazards. In addition, bulk materials floating in the air also have a certain impact on the human respiratory system.

[0004] Therefore, an automated bulk material lifting and handling trolley is proposed. Summary of the invention

[0005] The purpose of the present invention is to provide an automated bulk material lifting and handling trolley, aiming to solve or improve at least one of the above-mentioned technical problems.

[0006] To achieve the above object, the present invention provides the following solution: The present invention provides an automated bulk material lifting and handling trolley, comprising:

[0007] A frame, a Mecanum wheel moving mechanism is installed at the bottom of the frame, and a rotating mechanism, a control system and an ultrasonic sensor are installed on the frame;

[0008] A centering mechanism, the centering mechanism comprising two symmetrically arranged support frames, the two support frames are rotatably connected to the two sides of the frame, and a telescopic drive assembly is installed between the frame and the support frames;

[0009] A translation mechanism, wherein the translation mechanism is mounted on the rotation mechanism via a hydraulic lifting arm, and the hydraulic lifting arm is used to drive the translation mechanism to rise and fall;

[0010] A diamond frame, the diamond frame is installed at the moving end of the translation mechanism, a first electric push rod and a pressure sensor are installed on the diamond frame, and the first electric push rod is used to drive the diamond frame to extend and retract;

[0011] A modified woven bag, the modified woven bag comprising a woven bag body and a hoisting support structure, the hoisting support structure being installed on the outer top of the woven bag body;

[0012] A hook, which is mounted at the bottom of the diamond frame and drives the hook to adapt to the shape of the lifting support structure;

[0013] Wherein, the Mecanum wheel moving mechanism, the rotating mechanism, the ultrasonic sensor, the translation mechanism, the hydraulic lifting arm, the telescopic driving assembly, the first electric push rod and the pressure sensor are all electrically connected to the control system.

[0014] According to an automated bulk material lifting and handling trolley provided by the present invention, the rotating mechanism comprises:

[0015] A rotating base, the rotating base is rotatably connected to the frame, and an inner gear ring is provided on the inner side wall of the rotating base; the hydraulic lifting arm is installed on the top surface of the rotating base;

[0016] A drive motor, the drive motor is mounted on the frame, and the drive motor is electrically connected to the control system;

[0017] A driving wheel is mounted on the output shaft of the driving motor, and the driving wheel is meshed with the inner gear ring for transmission.

[0018] According to an automated bulk material lifting and handling trolley provided by the present invention, the hydraulic lifting arm comprises:

[0019] A lifting bracket, wherein the lifting bracket is fixedly mounted on the top surface of the rotating base;

[0020] A short connecting rod, one end of which is rotatably connected to the lifting bracket;

[0021] A long connecting rod, one end of which is rotatably connected to an end of the short connecting rod away from the lifting bracket;

[0022] A second electric push rod, the second electric push rod is hinged between the lifting bracket and the long connecting rod;

[0023] Wherein, the translation mechanism is transversely mounted on the bottom surface of the long connecting rod, and the second electric push rod is electrically connected to the control system.

[0024] According to an automated bulk material lifting and handling trolley provided by the present invention, the translation mechanism comprises:

[0025] A stepper motor, the stepper motor is mounted on the bottom surface of the long connecting rod, and the stepper motor is electrically connected to the control system;

[0026] A screw rod, the screw rod is transversely mounted on the bottom surface of the long connecting rod, and one end of the screw rod is mounted on the output shaft of the stepping motor through a coupling;

[0027] A translation sleeve, wherein the translation sleeve is arranged on the screw rod, and the diamond frame is installed on the translation sleeve.

[0028] According to an automated bulk material lifting and handling trolley provided by the present invention, a slide rail is installed at the bottom of the long connecting rod, the slide rail is arranged horizontally, the stepper motor is installed on the slide rail, a slider is installed on the translation sleeve, and the slider is slidably connected to the slide rail.

[0029] According to an automated bulk material lifting and handling trolley provided by the present invention, the telescopic drive assembly includes a third electric push rod and a torsion spring, two third electric push rods arranged side by side are hinged between the frame and the support frame, the torsion spring is installed between the frame and the support frame, and the third electric push rod is electrically connected to the control system.

[0030] According to an automated bulk material lifting and handling trolley provided by the present invention, the lifting support structure includes an iron ring and a support frame, the support frame is fixedly mounted on the outer top of the woven bag body, the iron ring is fixedly mounted on the top of the support frame, and the lifting hook is a fan-shaped hook.

[0031] According to an automated bulk material lifting and handling trolley provided by the present invention, the Mecanum wheel moving mechanism includes a plurality of servos electrically connected to the control system, the plurality of servos are installed at the four corners of the bottom surface of the frame, and a Mecanum wheel body is installed on the output shaft of the servos.

[0032] According to an automated bulk material lifting and handling trolley provided by the present invention, the support frame includes an inclined bracket and a retaining frame, the retaining frame is fixedly mounted on the top surface of the inclined bracket, the two inclined brackets are symmetrically arranged, the two retaining frames are symmetrically arranged, the two inclined brackets are rotatably connected to the two sides of the frame, two third electric push rods arranged side by side are hinged between the frame and the inclined bracket, and the torsion spring is installed between the frame and the inclined bracket.

[0033] The present invention discloses the following technical effects:

[0034] The pressure sensor of the present invention is used to measure the mass of bulk materials and detect whether the weight of the goods meets the lifting requirements; the height and shape of the diamond frame are changed by the first electric push rod, thereby driving the hook to cooperate with the lifting support structure to lift or separate, thereby achieving the purpose of automatic loading and unloading of bulk materials. The ultrasonic sensor is used to measure whether the modified woven bag is centered, so that the automatic lifting of bulk materials can be achieved, reducing human intervention in the production process, improving production safety, reducing production risks, and improving production efficiency at the same time;

[0035] The present invention can change the rotation direction through the rotating mechanism, adjust the position and angle of the modified woven bag, adjust the height of the modified woven bag through the hydraulic lifting arm, and adjust the horizontal position of the modified woven bag through the translation mechanism, so as to realize the function of lifting and transporting bulk materials in a predetermined direction and a predetermined distance, thereby improving the economy and stability of bulk material lifting and transporting.

[0036] A Mecanum wheel moving mechanism is installed at the bottom of the vehicle frame of the present invention, which reduces the turning radius and is more convenient and flexible to use; the support frame is connected to the vehicle frame, which can share the force of the Mecanum wheel moving mechanism and can also be used to anchor the modified woven bag, so as to facilitate the lifting operation;

[0037] The present invention drives the two support frames to rotate through a telescopic driving assembly. When the support frames rotate to contact the ground, the transport trolley can be firmly positioned. When the support frames rotate to the other side, the two support frames can anchor the modified woven bag, adjust the distance between the modified woven bag and the trolley, and perform centering. During hoisting, the Mecanum wheel moving mechanism is driven to start the hoisting operation. The two support frames align the anchored modified woven bag. At this time, the rotating mechanism rotates to a suitable angle, drives the translation mechanism and the hydraulic lifting arm to determine the position of the modified woven bag and then lowers the hook. After the hook is nested with the hoisting support structure, the telescopic driving assembly drives the two support frames to rotate, so that the support frames are unfolded to support the ground, the hydraulic lifting arm is lifted upward, and finally the support frames on both sides are retracted. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0039] Figure 1 is an axonometric view of the present invention;

[0040] Figure 2 for Figure 1 A partial enlarged view of middle A;

[0041] Figure 3 It is a front view of the present invention;

[0042] Figure 4 for Figure 3 Sectional view of AA in the middle;

[0043] Figure 5 for Figure 3 Cross-sectional view of BB.

[0044] Among them, 1. frame; 2. support frame; 3. diamond frame; 4. first electric push rod; 5. hook; 6. rotating base; 7. inner ring gear; 8. lifting bracket; 9. short connecting rod; 10. long connecting rod; 11. second electric push rod; 12. stepping motor; 13. lead screw; 14. translation sleeve; 15. slide rail; 16. third electric push rod; 17. torsion spring; 18. servo; 19. Mecanum wheel body. DETAILED DESCRIPTION

[0045] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0046] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0047] Reference Figure 1-Figure 5 The present invention provides an automated bulk material lifting and handling trolley, comprising:

[0048] A frame 1, a Mecanum wheel moving mechanism is installed at the bottom of the frame 1, and a rotating mechanism, a control system and an ultrasonic sensor are installed on the frame 1;

[0049] A centering mechanism, the centering mechanism comprises two symmetrically arranged support frames 2, the two support frames 2 are rotatably connected to both sides of the frame 1, and a telescopic drive assembly is installed between the frame 1 and the support frames 2;

[0050] A translation mechanism, wherein the translation mechanism is mounted on the rotation mechanism through a hydraulic lifting arm, and the hydraulic lifting arm is used to drive the translation mechanism to rise and fall;

[0051] The diamond frame 3 is installed at the moving end of the translation mechanism. The diamond frame 3 is installed with a first electric push rod 4 and a pressure sensor. The first electric push rod 4 is used to drive the diamond frame 3 to extend and retract.

[0052] Modified woven bag, the modified woven bag includes a woven bag body and a lifting support structure, and the lifting support structure is installed on the outer top of the woven bag body;

[0053] A hook 5, which is mounted at the bottom of the diamond frame 3, and drives the hook 5 to adapt to the shape of the lifting support structure;

[0054] Among them, the Mecanum wheel moving mechanism, the rotating mechanism, the ultrasonic sensor, the translation mechanism, the hydraulic lifting arm, the telescopic driving assembly, the first electric push rod 4 and the pressure sensor are all electrically connected to the control system;

[0055] With such arrangement, the pressure sensor of the present invention is used to measure the mass of bulk materials and detect whether the weight of the goods meets the lifting requirements; the height and shape of the diamond frame 3 are changed by the first electric push rod 4, thereby driving the hook 5 to cooperate with the lifting support structure to lift or separate, thereby achieving the purpose of automatic loading and unloading of bulk materials; and the ultrasonic sensor is used to measure whether the modified woven bag is centered, thereby realizing the automatic lifting of bulk materials, reducing human intervention in the production process, improving production safety, reducing production risks, and improving production efficiency at the same time;

[0056] The present invention can change the rotation direction through the rotating mechanism, adjust the position and angle of the modified woven bag, adjust the height of the modified woven bag through the hydraulic lifting arm, and adjust the horizontal position of the modified woven bag through the translation mechanism, so as to realize the function of lifting and transporting bulk materials in a predetermined direction and a predetermined distance, thereby improving the economy and stability of bulk material lifting and transporting.

[0057] A Mecanum wheel moving mechanism is installed at the bottom of the vehicle frame 1 of the present invention, which reduces the turning radius and is more convenient and flexible to use; the support frame 2 is connected to the vehicle frame 1, which can share the force of the Mecanum wheel moving mechanism and can also be used to anchor the modified woven bag to facilitate the lifting operation;

[0058] The present invention drives the two support frames 2 to rotate through a telescopic driving assembly. When the support frames 2 rotate to contact the ground, the transport trolley can be firmly positioned. When the support frames 2 rotate to the other side, the two support frames 2 can anchor the modified woven bag, adjust the distance between the modified woven bag and the trolley, and perform centering. During hoisting, the Mecanum wheel moving mechanism is driven to start the hoisting operation. The two support frames 2 are centered on the anchored modified woven bag. At this time, the rotating mechanism rotates to a suitable angle, drives the translation mechanism and the hydraulic lifting arm to determine the position of the modified woven bag and then lowers the hook. After the hook is nested with the hoisting support structure, the telescopic driving assembly drives the two support frames 2 to rotate, so that the support frames 2 are unfolded to support the ground, the hydraulic lifting arm is lifted upward, and finally the support frames 2 on both sides are retracted.

[0059] Further optimization scheme, the rotating mechanism includes:

[0060] A rotating base 6 is rotatably connected to the vehicle frame 1, and an inner gear ring 7 is provided on the inner side wall of the rotating base 6; a hydraulic lifting arm is installed on the top surface of the rotating base 6;

[0061] A driving motor, which is mounted on the vehicle frame 1 and is electrically connected to the control system;

[0062] A driving wheel, which is mounted on the output shaft of the driving motor and meshes with the inner gear ring 7 for transmission;

[0063] When the driving motor is started, the inner gear ring 7 and the rotating base 6 are driven to rotate through the driving wheel, thereby realizing the rotation of the entire rotating mechanism relative to the frame 1.

[0064] To further optimize the solution, the hydraulic lifting arm includes:

[0065] A lifting bracket 8 is fixedly mounted on the top surface of the rotating base 6;

[0066] A short connecting rod 9, one end of which is rotatably connected to the lifting bracket 8;

[0067] A long connecting rod 10, one end of which is rotatably connected to an end of the short connecting rod 9 away from the lifting bracket 8;

[0068] A second electric push rod 11, which is hinged between the lifting bracket 8 and the long connecting rod 10;

[0069] The translation mechanism is laterally mounted on the bottom surface of the long connecting rod 10, and the second electric push rod 11 is electrically connected to the control system;

[0070] The second electric push rod 11 is extended and retracted to push or pull the long connecting rod 10, thereby realizing the lifting and lowering of the translation mechanism.

[0071] Further optimization scheme, the translation mechanism includes:

[0072] A stepper motor 12, which is mounted on the bottom surface of the long connecting rod 10 and is electrically connected to the control system;

[0073] A screw rod 13, the screw rod 13 is transversely mounted on the bottom surface of the long connecting rod 10, and one end of the screw rod 13 is mounted on the output shaft of the stepping motor 12 through a coupling;

[0074] The translation sleeve 14 is arranged on the screw rod 13, and the diamond frame 3 is installed on the translation sleeve 14;

[0075] The stepper motor 12 drives the lead screw 13 to rotate through the coupling, thereby driving the translation sleeve 14 to translate.

[0076] A further optimized solution is that a slide rail 15 is installed at the bottom of the long connecting rod 10, the slide rail 15 is arranged horizontally, the stepper motor 12 is installed on the slide rail 15, and a slider is installed on the translation sleeve 14, and the slider is slidably connected to the slide rail 15; the setting of the slide rail 15 and the slider further enhances the stability and accuracy of the movement of the translation sleeve 14, ensuring the smooth operation of the translation mechanism.

[0077] Further optimized solution, the telescopic drive assembly includes a third electric push rod 16 and a torsion spring 17, two third electric push rods 16 arranged side by side are hinged between the frame 1 and the support frame 2, a torsion spring 17 is installed between the frame 1 and the support frame 2, and the third electric push rod 16 is electrically connected to the control system;

[0078] When the third electric push rod 16 is extended or retracted, it will push or pull the support frame 2 to rotate around the hinge point between it and the frame 1, and the torsion spring 17 provides a certain resilience to assist the support frame 2 to support the ground.

[0079] To further optimize the solution, the lifting support structure includes an iron ring and a support frame. The support frame is fixedly installed on the outer top of the woven bag body, the iron ring is fixedly installed on the top of the support frame, and the hook 5 adopts a fan-shaped hook; the fan-shaped hook is convenient for quick and stable docking with the iron ring.

[0080] A further optimized solution is that the Mecanum wheel moving mechanism includes a plurality of servos 18 electrically connected to the control system, and the plurality of servos 18 are installed at the four corners of the bottom surface of the frame 1, and a Mecanum wheel body 19 is installed on the output shaft of the servos 18; the Mecanum wheel allows it to achieve lateral movement and in-situ rotation while rolling, thereby improving the flexibility and maneuverability of the vehicle.

[0081] A further optimized solution is that the support frame 2 includes a tilting bracket and a retaining frame, the retaining frame is fixedly mounted on the top surface of the tilting bracket, the two tilting brackets are symmetrically arranged, the two retaining frames are symmetrically arranged, the two tilting brackets are rotatably connected to both sides of the frame 1, two third electric push rods 16 arranged side by side are hinged between the frame 1 and the tilting bracket, and a torsion spring 17 is installed between the frame 1 and the tilting bracket.

[0082] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0083] Obviously, the above embodiments of the present invention are merely examples for clearly explaining the present invention, and are not intended to limit the implementation methods of the present invention. For ordinary technical users in the relevant field, other different forms of changes or modifications can be made on the basis of the above description. It is not necessary and impossible to list all the implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. An automated bulk material lifting and handling trolley, characterized in that: include: A vehicle frame (1), wherein a Mecanum wheel moving mechanism is installed at the bottom of the vehicle frame (1), and a rotating mechanism, a control system and an ultrasonic sensor are installed on the vehicle frame (1); A centering mechanism, the centering mechanism comprising two symmetrically arranged support frames (2), the two support frames (2) being rotatably connected to two sides of the vehicle frame (1), and a telescopic drive assembly being installed between the vehicle frame (1) and the support frames (2); A translation mechanism, wherein the translation mechanism is mounted on the rotation mechanism via a hydraulic lifting arm, and the hydraulic lifting arm is used to drive the translation mechanism to rise and fall; A diamond frame (3), the diamond frame (3) being mounted on the moving end of the translation mechanism, a first electric push rod (4) and a pressure sensor being mounted on the diamond frame (3), the first electric push rod (4) being used to drive the diamond frame (3) to extend and retract; A modified woven bag, the modified woven bag comprising a woven bag body and a hoisting support structure, the hoisting support structure being installed on the outer top of the woven bag body; A hook (5), the hook (5) being mounted at the bottom of the diamond-shaped frame (3) to drive the hook (5) to adapt to the shape of the lifting support structure; The Mecanum wheel moving mechanism, the rotating mechanism, the ultrasonic sensor, the translation mechanism, the hydraulic lifting arm, the telescopic driving assembly, the first electric push rod (4) and the pressure sensor are all electrically connected to the control system.

2. The automated bulk material lifting and handling vehicle according to claim 1 is characterized in that: The rotating mechanism comprises: A rotating base (6), the rotating base (6) is rotatably connected to the vehicle frame (1), and an inner gear ring (7) is provided on the inner side wall of the rotating base (6); the hydraulic lifting arm is installed on the top surface of the rotating base (6); A drive motor, the drive motor being mounted on the vehicle frame (1) and being electrically connected to the control system; A driving wheel is mounted on the output shaft of the driving motor, and the driving wheel is meshed with the inner gear ring (7) for transmission.

3. The automated bulk material lifting and handling vehicle according to claim 2 is characterized in that: The hydraulic lifting arm comprises: A lifting bracket (8), wherein the lifting bracket (8) is fixedly mounted on the top surface of the rotating base (6); A short connecting rod (9), one end of which is rotatably connected to the lifting bracket (8); A long connecting rod (10), one end of which is rotatably connected to an end of the short connecting rod (9) away from the lifting bracket (8); A second electric push rod (11), wherein the second electric push rod (11) is hinged between the lifting bracket (8) and the long connecting rod (10); Wherein, the translation mechanism is transversely mounted on the bottom surface of the long connecting rod (10), and the second electric push rod (11) is electrically connected to the control system.

4. The automated bulk material lifting and handling vehicle according to claim 3 is characterized in that: The translation mechanism comprises: A stepper motor (12), wherein the stepper motor (12) is mounted on the bottom surface of the long connecting rod (10), and the stepper motor (12) is electrically connected to the control system; A screw rod (13), wherein the screw rod (13) is transversely mounted on the bottom surface of the long connecting rod (10), and one end of the screw rod (13) is mounted on the output shaft of the stepping motor (12) through a coupling; A translation sleeve (14), wherein the translation sleeve (14) is slidably mounted on the screw rod (13), and the diamond frame (3) is mounted on the translation sleeve (14).

5. The automated bulk material lifting and handling vehicle according to claim 4 is characterized in that: A slide rail (15) is installed at the bottom of the long connecting rod (10), the slide rail (15) is arranged horizontally, the stepping motor (12) is installed on the slide rail (15), and a slider is installed on the translation sleeve (14), and the slider is slidably connected to the slide rail (15).

6. The automated bulk material lifting and handling vehicle according to claim 1 is characterized in that: The telescopic drive assembly comprises a third electric push rod (16) and a torsion spring (17); two third electric push rods (16) arranged side by side are hinged between the vehicle frame (1) and the support frame (2); the torsion spring (17) is installed between the vehicle frame (1) and the support frame (2); and the third electric push rod (16) is electrically connected to the control system.

7. The automated bulk material lifting and handling vehicle according to claim 1 is characterized in that: The hoisting support structure comprises an iron ring and a support frame, wherein the support frame is fixedly mounted on the outer top of the woven bag body, the iron ring is fixedly mounted on the top of the support frame, and the hoisting hook (5) is a fan-shaped hook.

8. The automated bulk material lifting and handling vehicle according to claim 1 is characterized in that: The Mecanum wheel moving mechanism comprises a plurality of steering gears (18) electrically connected to the control system, wherein the plurality of steering gears (18) are installed at four corners of the bottom surface of the frame (1), and a Mecanum wheel body (19) is installed on the output shaft of the steering gear (18).

9. The automated bulk material lifting and handling vehicle according to claim 6, characterized in that: The support frame (2) comprises an inclined bracket and a retaining frame, wherein the retaining frame is fixedly mounted on the top surface of the inclined bracket, the two inclined brackets are symmetrically arranged, the two retaining frames are symmetrically arranged, the two inclined brackets are rotatably connected to the two sides of the frame (1), two third electric push rods (16) arranged side by side are hinged between the frame (1) and the inclined bracket, and the torsion spring (17) is installed between the frame (1) and the inclined bracket.

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