A pure electric powered grabber

Abstract

The present application relates to the technical field of brick moving equipment, and discloses a pure electric powered grabber, including a grabber main body, an electric box fixedly mounted on the upper surface of the grabber main body, a lifting assembly fixedly mounted on the upper surface of the grabber main body, and a cab fixedly mounted on the upper surface of the lifting assembly. The present invention has a flexible clamping effect through the grabber assembly, that is, it can fix the material well and prevent the material from being damaged due to excessive clamping force. At the same time, it can adjust the clamping claws and have an adaptive clamping effect, so that irregular materials are subjected to force more evenly, thereby making the material more stable during transportation. The height of the cab can be adjusted according to demand through the lifting assembly to provide a good field of view. It has a buffer structure when retracted, reduces equipment wear and provides a good driving experience. The over-correction assembly reduces the influence of inertia force when the grabber assembly is started or stopped in an emergency, prevents materials from falling off, and ensures the life safety of construction workers on site.

Description

Technical Field

[0001] The present application relates to the technical field of brick moving equipment, and in particular to a pure electric powered grabber. Background Art

[0002] A material grabber is a machine used for material transfer, generally evolved from a hydraulic excavator. The biggest difference between a material grabber and a conventional excavator lies in their front-end working device, meaning their different working purpose: conventional excavators typically have shorter arms and a bucket at the front, primarily responsible for excavation and loading. A material grabber, commonly known as a "grab arm," typically has longer arms and a different shape and structure than conventional excavators. Its front end features a wood grabber, primarily responsible for loading, unloading, and transporting wood, timber, reeds, straw, and various strips of material. It often uses a pure electric powertrain and, with its zero-emissions, high-efficiency energy-saving system, ease of operation, and simple maintenance, holds broad development prospects in the field of construction machinery.

[0003] The existing technology still has the following problems:

[0004] 1. The existing gripper's jaws are too rigid, which can easily damage the material when clamping it, and insufficient clamping force can easily cause the material to fall off. In addition, most materials are irregular in shape. Taking the most transported wood as an example, each piece of wood is usually of different thicknesses, and the thickness of one end and the other end of the same wood are also different. If the jaws move parallely, uneven force will be generated, resulting in unstable material gripping and the risk of material falling off.

[0005] 2. The cab height of existing grabbers is mostly fixed, which limits the driver's field of vision to a certain extent, resulting in inaccurate handling position, which in turn affects the accuracy and safety of operation. Some grabbers with a cab lifting structure do not have a buffering effect when lifting, and bring a strong vibration feeling when falling, causing great wear and tear on the equipment. At the same time, it is not convenient for short drivers to enter the cab.

[0006] 3. The inertia caused by the start and stop of the existing gripper during the material transfer process will cause the material to deviate significantly. In severe cases, the material may fall off the gripper, seriously affecting the life safety of the construction workers on site. Summary of the Invention

[0007] The present application provides a pure electric powered material grabber, which solves the problem in the prior art that the gripper's jaws are too rigid, the cab height is mostly fixed, and the inertia caused by starting and stopping will cause a large displacement of the material. The material grabber component has a flexible clamping effect, and the height of the cab can be adjusted according to needs to reduce the impact of inertia force.

[0008] The present application provides a pure electric power grabber, comprising a grabber body, an electric box fixedly installed on the upper surface of the grabber body, a lifting assembly fixedly installed on the upper surface of the grabber body, a cab fixedly installed on the upper surface of the lifting assembly, a mechanical arm movably connected to the upper surface of the grabber body, a correction assembly is provided at one end of the mechanical arm away from the grabber body, and a grabbing assembly is provided on the lower surface of the correction assembly. The grabbing assembly includes a claw frame, a limiting mechanism is fixedly installed on the bottom wall of the claw frame, two ends of the claw frame are fixedly installed with a grabbing arm, the middle part of the grabbing arm is fixedly installed with a third cylinder, the inner cavity of the third cylinder is slidably connected to the third piston rod, the inner cavity of the grabbing arm is rotatably connected to the second rotating rod, the two ends of the second rotating rod are fixedly connected to the rotating arm, the inner cavity of the rotating arm is fixedly installed with a rotating frame, the inner cavity of the rotating frame is slidably connected with a clamping mechanism, the middle part of the second rotating rod is fixedly installed with a connecting sleeve, the inner cavity of the rotating frame is fixedly installed with a grabbing rod, and the end of the third piston rod away from the third cylinder is fixedly installed with a connecting seat.

[0009] Furthermore, a movable groove is formed at one end of the connecting sleeve away from the second rotating rod, and the connecting seat is movably connected to the connecting sleeve through the movable groove.

[0010] Furthermore, the limiting mechanism includes a second cylinder, the second cylinder and the claw frame are fixedly connected, the inner cavity of the second cylinder is slidably connected to the second piston rod, the bottom end of the second piston rod is fixedly connected to the lower pressure plate, the inner cavity of the lower pressure plate is rotatably connected to the second threaded rod, the two ends of the lower pressure plate are slidably connected to the telescopic plate, the upper surface of the telescopic plate is fixedly installed with a second connecting block, the upper surface of the lower pressure plate is fixedly installed with a motor, the middle part of the second threaded rod is sleeved with a belt, the end of the belt away from the second threaded rod is sleeved with the output end of the motor, and the two ends of the lower surface of the telescopic plate are fixedly installed with a fixing mechanism, the second connecting block and the second threaded rod are threadedly connected, and the thread directions at both ends of the second threaded rod are opposite.

[0011] Furthermore, the fixing mechanism includes a limit seat, the inner cavity of the limit seat is rotatably connected to the first limit block, the two sides of the first limit block are rotatably connected to the second limit blocks, the two sides of the second limit block are rotatably connected to the third limit blocks, the outer surface of the third limit block is slidably connected to the elastic rod, the inner cavity of the third limit block is provided with a fourth spring, and the elastic rod and the fourth spring are elastically connected.

[0012] Furthermore, the clamping mechanism includes a connecting plate, the inner cavity of the connecting plate is fixedly connected to the pitch-adjusting rod, the outer surface of the pitch-adjusting rod is provided with a socket, the inner cavity of the rotating frame is slidably connected to the insertion rod, the outer surface of the insertion rod is fixedly connected to the fixing ring, the outer surface of the insertion rod is sleeved with a fifth spring, the fifth spring is located between the fixing ring and the rotating frame, the insertion rod and the socket are inserted into the socket, the pitch-adjusting rod and the rotating frame are slidably connected, one end of the pitch-adjusting rod is fixedly installed with a floating ball, the outer surface of the floating ball is movably connected with a floating plate, the two ends of the floating plate are fixedly installed with a second connecting rod, the outer surface of the second connecting rod is sleeved with a sixth spring, the sixth spring is located between the connecting plate and the floating plate, and the two ends of the connecting plate are provided with movable holes, the second connecting rod and the connecting plate are movably connected through the movable holes.

[0013] Furthermore, the lifting assembly includes a base plate, a support block is fixedly installed on the upper surface of the base plate, a buffer adjustment mechanism is fixedly installed on the top of the support block, the inner cavity of the support block is rotatably connected to the first rotating rod, gears are fixedly installed at both ends of the first rotating rod, a step mechanism is provided on the upper surface of the base plate, a first cylinder is fixedly installed on the upper surface of the base plate, the inner cavity of the first cylinder is slidably connected to the first piston rod, a limiting cylinder is fixedly installed on the upper surface of the base plate, the inner cavity of the limiting cylinder is slidably connected to the gear rod, the gear rod and the gear are meshed, a lifting frame is fixedly installed on the top of the first piston rod, and the gear rod and the lifting frame are fixedly connected.

[0014] Furthermore, the buffer adjustment mechanism includes a buffer frame, the inner cavity of the buffer frame is rotatably connected to the first threaded rod, the upper surface of the buffer frame is provided with an adjustment groove, the inner cavity of the adjustment groove is slidably connected to the buffer seat, the buffer seat and the first threaded rod are connected by threads, and the thread directions at both ends of the first threaded rod are opposite, the inner cavity of the buffer seat is slidably connected to the slider, a first spring is provided on one side of the slider, the first spring is located between the inner wall of the buffer seat and the slider, the outer surface of the slider is rotatably connected to the connecting strip, the inner cavity of the buffer seat is slidably connected to the buffer block, the two sides of the buffer block are rotatably connected to the connecting strip, and the upper surface of the buffer block is fixedly mounted with a buffer disk.

[0015] Furthermore, the step mechanism includes a step frame, a handle is fixedly installed on the outer surface of the step frame, a sliding groove is opened on the upper surface of the base plate, and the step frame and the sliding groove are slidably connected.

[0016] Furthermore, the correction assembly includes a connecting disk, which is rotatably connected to the robotic arm. A fixed block is fixedly installed on the lower surface of the connecting disk, and a correction block is arranged below the connecting disk. A first connecting rod is fixedly installed on both ends of the correction block, and a second spring is sleeved on the outer surface of the first connecting rod. The inner cavity of the correction block is slidably connected to the first connecting block, and the inner cavity of the correction block is provided with a third spring.

[0017] Furthermore, the first connecting block and the claw frame are fixedly connected, the second spring is located between the fixed block and the correction block, and the third spring is located between the inner wall of the correction block and the first connecting block.

[0018] The technical solution provided by this application has at least the following technical effects or advantages:

[0019] 1. The use of a material grabbing assembly solves the problem that the existing material grabber has too strong a rigidity, which easily damages the material when clamping it, and the material easily falls off due to insufficient clamping force. In addition, most materials are irregular in shape. Taking the most transported wood as an example, each wood is usually of different thicknesses, and the thickness of one end and the other end of the same wood are also different, which causes the clamping jaws to move in parallel and produce uneven force, so that the material gripping is not stable enough and there is a risk of falling off. The present invention has a flexible clamping effect through the material grabbing assembly, which can fix the material well and prevent the material from being damaged due to excessive clamping force. At the same time, the clamping jaws can be adjusted, with an adaptive clamping effect, so that the irregular material is subjected to more uniform force, thereby making the material more stable during transportation.

[0020] 2. The use of a lifting assembly solves the problem that the height of the existing grabber cab is mostly fixed, which limits the driver's field of view to a certain extent, resulting in inaccurate handling position, and further affecting the accuracy and safety of the operation. Some grabbers with a cab lifting structure do not have a buffering effect when lifting, and cause a strong vibration when falling, which causes great wear and tear on the equipment. At the same time, it is not convenient for drivers with short stature to enter the cab. The present invention can adjust the height of the cab according to needs through the lifting assembly, so as to provide a good field of view. It has a buffer structure when retracted, which reduces the wear and tear of the equipment and provides a good driving experience, and is convenient for drivers with short stature to enter the cab.

[0021] 3. The use of the correction component solves the problem that the inertia caused by the start and stop of the existing grabber during the material transfer process will cause the material to deviate greatly, and in severe cases, cause the material to fall off the clamp, seriously affecting the life safety of the construction workers on site. The present invention reduces the influence of the inertial force when the grabbing component is started or stopped suddenly, prevents the material from falling off, and ensures the life safety of the construction workers on site. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the overall structure of Example 1 of the present application;

[0023] Figure 2 This is a schematic diagram of the lifting assembly structure in Example 1 of the present application;

[0024] Figure 3 This is a schematic diagram of the step mechanism structure in Example 1 of the present application;

[0025] Figure 4 This is a schematic diagram of the structure of the buffer adjustment mechanism in Example 1 of the present application;

[0026] Figure 5 Schematic diagram of the cross-section of the buffer tray structure in Example 1 of the present application;

[0027] Figure 6 This is a schematic diagram of the connection disk structure in Example 1 of the present application;

[0028] Figure 7 This is a schematic diagram of the structure of the correction component in Example 1 of the present application;

[0029] Figure 8 Schematic diagram of the cross-section of the correction block structure in Example 1 of the present application;

[0030] Figure 9 This is a schematic diagram of the structure of the material grabbing assembly in Example 1 of the present application;

[0031] Figure 10 This is a structural diagram of the grabbing arm in Example 1 of the present application;

[0032] Figure 11 This is a schematic diagram of the connecting socket structure in Example 1 of the present application;

[0033] Figure 12 This is a schematic diagram of the belt structure in Example 1 of the present application;

[0034] Figure 13 This is a schematic diagram of the fixing mechanism structure in Example 1 of the present application;

[0035] Figure 14 This is a schematic diagram of the rotating arm structure in Example 1 of the present application;

[0036] Figure 15 This is Example 1 of the present application Figure 14 Schematic diagram of the enlarged structure at A in the middle;

[0037] Figure 16 This is a schematic diagram of the floating ball structure in Example 1 of the present application.

[0038] In the figure: 1. Material grabber body; 2. Electric box; 3. Lifting assembly; 31. Bottom plate; 32. Support block; 33. Buffer adjustment mechanism; 331. Buffer rack; 332. First threaded rod; 333. Adjustment slot; 334. Buffer seat; 335. Slider; 336. First spring; 337. Connecting bar; 338. Buffer block; 339. Buffer plate; 34. First rotating rod; 35. Gear; 36. Step mechanism; 361. Step frame; 362, handle; 363, slide; 37, first cylinder; 38, first piston rod; 39, limit cylinder; 310, gear rod; 311, lifting frame; 4, cab; 5, mechanical arm; 6, correction assembly; 61, connecting plate; 62, fixing block; 63, correction block; 64, first connecting rod; 65, second spring; 66, first connecting block; 67, third spring; 7, material grabbing assembly; 71, claw frame; 72, limit Positioning mechanism; 721, second cylinder; 722, second piston rod; 723, lower pressure plate; 724, second threaded rod; 725, telescopic plate; 726, second connecting block; 727, motor; 728, belt; 729, fixing mechanism; 7291, limiting seat; 7292, first limiting block; 7293, second limiting block; 7294, third limiting block; 7295, elastic rod; 73, grabbing arm; 74, third cylinder ; 75. Third piston rod; 76. Second rotating rod; 77. Rotating arm; 78. Rotating frame; 79. Clamping mechanism; 791. Connecting plate; 792. Adjusting rod; 793. Socket; 794. Insert rod; 795. Fixed ring; 796. Fifth spring; 797. Floating ball; 798. Floating plate; 799. Second connecting rod; 7910. Sixth spring; 710. Connecting sleeve; 711. Grabbing rod; 712. Connecting seat. DETAILED DESCRIPTION

[0039] If the gripper's jaws are too rigid, the materials may be damaged when clamped, while if the clamping force is insufficient, the materials may fall off. The present invention has a flexible clamping effect through the gripping assembly, which can fix the materials well and prevent the materials from being damaged due to excessive clamping force. The cab height is mostly fixed and the field of vision is limited. The present invention can adjust the cab height as needed through the lifting assembly to provide a good field of vision. The inertia caused by the starting and stopping of the gripper during the material transfer process will cause a large deviation of the materials. The present invention reduces the influence of the inertia force through the correction assembly when the gripping assembly is started or stopped, thereby preventing the materials from falling off.

[0040] In order to better understand the above technical solution, the above technical solution will be described in detail below with reference to the accompanying drawings and specific implementation methods.

[0041] See also Figure 1As shown, a pure electric powered grabber includes a grabber body 1, an electric box 2 is fixedly mounted on the upper surface of the grabber body 1, which is used to increase the power of the equipment operation, a lifting component 3 is fixedly mounted on the upper surface of the grabber body 1, a cab 4 is fixedly mounted on the upper surface of the lifting component 3, a mechanical arm 5 is movably connected to the upper surface of the grabber body 1, a correction component 6 is provided at the end of the mechanical arm 5 away from the grabber body 1, a grabber component 7 is provided on the lower surface of the correction component 6, the lifting component 3 is used to drive the cab 4 to rise and fall, the correction component 6 is used to prevent the material from shaking greatly during emergency stop and rapid rotation, and the grabber component 7 is used to flexibly clamp the material and can be adjusted according to the specifications of the material to make the force more uniform during material transportation.

[0042] See also Figure 2 and Figure 3 As shown, the lifting assembly 3 includes a base plate 31, a support block 32 is fixedly installed on the upper surface of the base plate 31, a buffer adjustment mechanism 33 is fixedly installed on the top of the support block 32, the inner cavity of the support block 32 is rotatably connected to the first rotating rod 34, and gears 35 are fixedly installed at both ends of the first rotating rod 34. A step mechanism 36 is provided on the upper surface of the base plate 31, a first cylinder 37 is fixedly installed on the upper surface of the base plate 31, and the inner cavity of the first cylinder 37 is slidably connected to the first piston rod 38. A limiting cylinder 39 is fixedly installed on the upper surface of the base plate 31, and the inner cavity of the limiting cylinder 39 is slidably connected to the gear rod 310, and the gear rod 310 and the gear 35 are fixedly installed. The gear 35 is engaged, and the top end of the first piston rod 38 is fixedly installed with a lifting frame 311. The gear rod 310 and the lifting frame 311 are fixedly connected. The operation of the first cylinder 37 drives the first piston rod 38 to move upward. At this time, the first piston rod 38 drives the lifting frame 311 to move. The movement of the lifting frame 311 drives the gear rod 310 to move. The movement of the gear rod 310 drives the gear 35 to rotate. The rotation of the gear 35 drives the first rotating rod 34 to rotate in the inner cavity of the support block 32, keeping the two gear rods 310 in synchronous movement in the inner cavity of the limiting cylinder 39. Compared with using two first cylinders 37 to achieve upgraded synchronization, the lifting frame 311 is more evenly stressed.

[0043] See also Figure 3 、 Figure 4 and Figure 5As shown, the buffer adjustment mechanism 33 includes a buffer frame 331, the inner cavity of the buffer frame 331 is rotatably connected to the first threaded rod 332, the upper surface of the buffer frame 331 is provided with an adjustment groove 333, the inner cavity of the adjustment groove 333 is slidably connected to a buffer seat 334, the buffer seat 334 and the first threaded rod 332 are connected by threads, and the threads at both ends of the first threaded rod 332 are in opposite directions, the inner cavity of the buffer seat 334 is slidably connected to a slider 335, and a first spring 336 is provided on one side of the slider 335. The first spring 336 is positioned at Between the inner wall of the buffer seat 334 and the slider 335, the outer surface of the slider 335 is rotatably connected to the connecting strip 337, the inner cavity of the buffer seat 334 is slidably connected to the buffer block 338, the two sides of the buffer block 338 are rotatably connected to the connecting strip 337, the upper surface of the buffer block 338 is fixedly installed with a buffer disk 339, the step mechanism 36 includes a step frame 361, the outer surface of the step frame 361 is fixedly installed with a handle 362, the upper surface of the bottom plate 31 is provided with a slide groove 363, the step frame 361 and the slide groove 363 are slidably connected When the lifting frame 311 descends, the lifting frame 311 will contact the buffer plate 339, causing the buffer plate 339 to move downward. At this time, the buffer block 338 moves toward the inner cavity of the buffer seat 334, driving the connecting bar 337 to rotate. The rotation of the connecting bar 337 drives the slider 335 to move to both sides of the inner cavity of the buffer seat 334, so that the slider 335 squeezes the first spring 336. The elastic force of the first spring 336 has a certain buffering effect, reducing the wear of the equipment. At the same time, the buffer seat 33 is driven by rotating the first threaded rod 332. The inner cavity of the adjustment groove 333 moves, causing the position of the buffer seat 334 on the buffer frame 331 to change. In this way, the contact position between the lifting frame 311 and the buffer plate 339 changes, preventing collisions from occurring at the same position of the lifting frame 311 every time, reducing the probability of deformation of the lifting frame 311, and thus achieving the effect of protecting the equipment. In addition, the handle 362 can be pulled to move the step frame 361 outward on the slide groove 363. The driver can enter the cab 4 by stepping on the step frame 361, which is convenient for people of short stature to use.

[0044] See also Figure 6 、 Figure 7 and Figure 8As shown, the correction component 6 includes a connecting disk 61, the connecting disk 61 and the robot arm 5 are rotatably connected, a fixed block 62 is fixedly installed on the lower surface of the connecting disk 61, and a correction block 63 is provided below the connecting disk 61. The two ends of the correction block 63 are fixedly installed with a first connecting rod 64, and the outer surface of the first connecting rod 64 is sleeved with a second spring 65. The inner cavity of the correction block 63 is slidably connected with the first connecting block 66, and the inner cavity of the correction block 63 is provided with a third spring 67. The first connecting block 66 and the claw frame 71 are fixedly connected, the second spring 65 is located between the fixed block 62 and the correction block 63, and the third spring 67 is located between the inner wall of the correction block 63 and the first connecting block 66. When the grabbing component 7 transfers materials, an emergency stop will occur. In the event of sudden braking, a certain amount of buffering is achieved between the robotic arm 5 and the grabbing assembly 7 through the correction assembly 6. When the material is suddenly stopped or braked, the grabbing assembly 7 moves, driving the first connecting block 66 to move. The movement of the first connecting block 66 drives the correction block 63 to move. The movement of the correction block 63 drives the first connecting rod 64 to move in the inner cavity of the fixed block 62. The elastic force of the second spring 65 keeps the correction block 63 in its original position, thereby reducing the inertial force generated by the grabbing assembly 7 during sudden stops and braking. In bumpy sections, the first connecting block 66 moves in the inner cavity of the correction block 63, squeezing the third spring 67. At this time, the elastic force of the third spring 67 has a buffering effect when the equipment moves on bumpy sections, preventing materials from falling off the grabbing assembly 7.

[0045] See also Figure 9 、 Figure 10 and Figure 11As shown, the grabbing assembly 7 includes a claw frame 71, the bottom wall of the claw frame 71 is fixedly installed with a limiting mechanism 72, the two ends of the claw frame 71 are fixedly installed with a grabbing arm 73, the middle part of the grabbing arm 73 is fixedly installed with a third cylinder 74, the inner cavity of the third cylinder 74 is slidably connected with a third piston rod 75, the inner cavity of the grabbing arm 73 is rotatably connected with a second rotating rod 76, both ends of the second rotating rod 76 are fixedly connected with a rotating arm 77, the inner cavity of the rotating arm 77 is fixedly installed with a rotating frame 78, the inner cavity of the rotating frame 78 is slidably connected with a clamping mechanism 79, the middle part of the second rotating rod 76 is fixedly installed with a connecting sleeve 710, the inner cavity of the rotating frame 78 is fixedly installed with a grabbing rod 711, the end of the third piston rod 75 away from the third cylinder 74 is fixedly installed with a connecting seat 712, the connecting sleeve 710 The end away from the second rotating rod 76 is provided with a movable groove, and the connecting seat 712 is movably connected with the movable groove and the connecting sleeve 710. When material is grabbed, the operation of the third cylinder 74 drives the third piston rod 75 to move, and the movement of the third piston rod 75 drives the connecting seat 712 to move. The movement of the connecting seat 712 drives the grabbing rod 711 to rotate, and the rotation of the grabbing rod 711 drives the second rotating rod 76 to rotate. The rotation of the second rotating rod 76 drives the rotating arm 77 to rotate, and the rotation of the rotating arm 77 drives the rotating frame 78 to move closer to each other, so that the grabbing rod 711 supports the material so that the material is stored in the inner cavity of the grabbing rod 711 at both ends. The limiting mechanism 72 is used to limit the material from the upper end, and the clamping mechanism 79 is used to flexibly fix the material from both sides to improve the stability of the material on the grabbing assembly 7.

[0046] See also Figure 12 and Figure 13As shown, the limiting mechanism 72 includes a second cylinder 721, the second cylinder 721 and the claw frame 71 are fixedly connected, the inner cavity of the second cylinder 721 is slidably connected to the second piston rod 722, the bottom end of the second piston rod 722 is fixedly connected to the lower pressure plate 723, the inner cavity of the lower pressure plate 723 is rotatably connected to the second threaded rod 724, the two ends of the lower pressure plate 723 are slidably connected to the telescopic plate 725, the upper surface of the telescopic plate 725 is fixedly installed with a second connecting block 726, and the upper surface of the lower pressure plate 723 is fixedly installed with a motor 727. The middle part of the second threaded rod 724 is sleeved with a belt 728, and the end of the belt 728 away from the second threaded rod 724 is sleeved with the output end of the motor 727. The two ends of the lower surface of the telescopic plate 725 are fixedly installed with a fixing mechanism 729. The second connecting block 726 is connected to the second threaded rod 724 by a thread. The thread directions at the two ends of the second threaded rod 724 are opposite. The fixing mechanism 729 includes a limit seat 7291. The inner cavity of the limit seat 7291 is rotatably connected to the first limit block 7292. The first limit block 7292 The two sides of the second limit block 7293 are rotatably connected, and the two sides of the second limit block 7293 are rotatably connected to the third limit block 7294. The outer surface of the third limit block 7294 is slidably connected to the elastic rod 7295. The inner cavity of the third limit block 7294 is provided with a fourth spring. The elastic rod 7295 and the fourth spring are elastically connected. After the grabbing rod 711 clamps the material, the second piston rod 722 is driven to move by the second cylinder 721. The movement of the second piston rod 722 drives the lower pressure plate 723 to move downward. At this time, the telescopic plate 725 The fixing mechanism 729 on the material limits the material, and at the same time, the first limit block 7292 can rotate in the inner cavity of the limit seat 7291, the second limit block 7293 can rotate in the inner cavity of the first limit block 7292, and the third limit block 7294 can rotate in the inner cavity of the second limit block 7293, and the elastic rod 7295 has a certain elasticity under the action of the fourth spring, so that it can adaptively adjust according to the shape of the material when the elastic rod 7295 contacts, and limit the material from the upper end of the material to prevent the material from being damaged due to excessive clamping force.

[0047] See also Figure 14 、 Figure 15 and Figure 16As shown, the clamping mechanism 79 includes a connecting plate 791, the inner cavity of the connecting plate 791 is fixedly connected to the distance adjusting rod 792, the outer surface of the distance adjusting rod 792 is provided with a socket 793, the inner cavity of the rotating frame 78 is slidably connected to the insertion rod 794, the outer surface of the insertion rod 794 is fixedly connected to the fixing ring 795, the outer surface of the insertion rod 794 is sleeved with a fifth spring 796, the fifth spring 796 is located between the fixing ring 795 and the rotating frame 78, the insertion rod 794 is plugged into the socket 793, the distance adjusting rod 792 is slidably connected to the rotating frame 78, and one end of the distance adjusting rod 792 is fixedly installed with Floating ball 797, the outer surface of floating ball 797 is movably connected with floating plate 798, and second connecting rod 799 is fixedly installed at both ends of floating plate 798. Floating plate 798 is used to limit the material on both sides, and the outer surface of second connecting rod 799 is sleeved with sixth spring 7910, and sixth spring 7910 is located between connecting plate 791 and floating plate 798. Active holes are opened at both ends of connecting plate 791, and second connecting rod 799 and connecting plate 791 are movably connected through the active holes. When grabbing materials, the spacing of floating plate 798 can be adjusted to pull The movable plug rod 794 disengages the plug rod 794 and the socket 793, and at this time, the distance adjustment rod 792 is moved to the position of the inner cavity of the rotating frame 78. When the plug rod 794 is in the appropriate position, the plug rod 794 is released, and the elastic force of the fifth spring 796 drives the fixing ring 795 to move downward, so that the plug rod 794 is engaged with the socket 793 again, so that the distance adjustment rod 792 is fixed in the fixed position of the inner cavity of the rotating frame 78, so that the floating plate 798 can be close to the material, ensuring that the floating plate 798 can clamp the material when the rotating frame 78 moves. When grabbing wood, the thickness of the wood at both ends is uneven. At this time, the floating plate 798 can be connected The plate 791 rotates, that is, the floating ball 797 rotates in the inner cavity of the floating plate 798, so that the sixth spring 7910 receives different pressures, so that the positions of the second connecting rod 799 at both ends of the connecting plate 791 are different, that is, the floating plate 798 is tilted relative to the connecting plate 791, so that the floating plate 798 as a whole can better contact the wood, so that the wood can be more evenly stressed within the clamping range of the floating plate 798. The second connecting rod 799 can move on the connecting plate 791, so that the sixth spring 7910 can provide a certain flexible force to prevent the material from being damaged by excessive clamping force.

[0048] In summary, the lifting assembly 3 is used to drive the cab 4 to rise and fall, the correction assembly 6 is used to prevent the material from shaking greatly during emergency stops and rapid rotations, the grabbing assembly 7 is used to flexibly clamp the material, and the operation of the first cylinder 37 drives the first rotating rod 34 to rotate in the inner cavity of the support block 32, keeping the two gear rods 310 moving synchronously in the inner cavity of the limit cylinder 39. Compared with the use of two first cylinders 37 to achieve upgraded synchronization, the lifting frame 311 is evenly stressed, and the buffer adjustment mechanism 33 is used to reduce equipment wear. When the grabbing assembly 7 transports materials, emergency stops and sudden brakes will occur. A certain buffer is achieved between the mechanical arm 5 and the grabbing assembly 7 through the correction assembly 6. During emergency stops and sudden brakes, the grabbing assembly 7 moves and drives the first connecting rod 64 to the fixed block 62 The inner cavity moves, and the elastic force of the second spring 65 keeps the correction block 63 in its original position, thereby reducing the inertial force generated by the grab assembly 7 during sudden stops and braking, and on bumpy roads, the first connecting block 66 moves in the inner cavity of the correction block 63, squeezing the third spring 67. At this time, the elastic force of the third spring 67 plays a buffering effect when the equipment moves on bumpy roads, preventing the material from falling off the grab assembly 7. When grabbing the material, the work of the third cylinder 74 drives the rotating frame 78 to approach each other, so that the grabbing rod 711 supports the material, so that the material is stored in the inner cavity of the grabbing rod 711 at both ends. The limiting mechanism 72 is used to limit the material from the upper end, and the clamping mechanism 79 is used to flexibly fix the material from both sides, thereby improving the stability of the material on the grab assembly 7.

[0049] Obviously, those skilled in the art may make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if such changes and modifications fall within the scope of the claims and their equivalents, the present invention is intended to include such changes and modifications.

[0050] The above is only a preferred specific implementation method of the embodiment of the present application, but the scope of protection of the present application is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes based on the technical solution and concept of the present application within the technical scope disclosed in the present application, and they should be covered by the scope of protection of the present application.

Claims

1. A pure electric powered material grabber, comprising a material grabber body (1), characterized in that: An electric box (2) is fixedly mounted on the upper surface of the grabber body (1), a lifting assembly (3) is fixedly mounted on the upper surface of the grabber body (1), a cab (4) is fixedly mounted on the upper surface of the lifting assembly (3), a mechanical arm (5) is movably connected to the upper surface of the grabber body (1), a correction assembly (6) is provided at one end of the mechanical arm (5) away from the grabber body (1), and a grabbing assembly (7) is provided on the lower surface of the correction assembly (6); The grab assembly (7) includes a claw frame (71), a limiting mechanism (72) is fixedly installed on the bottom wall of the claw frame (71), grab arms (73) are fixedly installed at both ends of the claw frame (71), a third cylinder (74) is fixedly installed at the middle part of the grab arm (73), the inner cavity of the third cylinder (74) is slidably connected to a third piston rod (75), the inner cavity of the grab arm (73) is rotatably connected to a second rotating rod (76), the two ends of the second rotating rod (76) are fixedly connected to rotating arms (77), and the inner cavity of the rotating arm (77) is fixedly installed with a rotating frame (78). The inner cavity of the rotating frame (78) is slidably connected to a clamping mechanism (79), the middle part of the second rotating rod (76) is fixedly installed with a connecting sleeve (710), the inner cavity of the rotating frame (78) is fixedly installed with a grabbing rod (711), and the end of the third piston rod (75) away from the third cylinder (74) is fixedly installed with a connecting seat (712). When grabbing materials, the operation of the third cylinder (74) drives the third piston rod (75) to move, the movement of the third piston rod (75) drives the connecting seat (712) to move, and the movement of the connecting seat (712) drives the grabbing rod (711) to rotate; A movable groove is formed at one end of the connecting sleeve (710) away from the second rotating rod (76), and the connecting seat (712) is movably connected to the connecting sleeve (710) through the movable groove; The limiting mechanism (72) includes a second cylinder (721), the second cylinder (721) and the claw frame (71) are fixedly connected, the inner cavity of the second cylinder (721) is slidably connected to a second piston rod (722), the bottom end of the second piston rod (722) is fixedly connected to a lower pressure plate (723), the two ends of the lower pressure plate (723) are slidably connected to a telescopic plate (725), and the two ends of the lower surface of the telescopic plate (725) are fixedly installed with a fixing mechanism (729); The fixing mechanism (729) includes a limiting seat (7291), an inner cavity of the limiting seat (7291) is rotatably connected to a first limiting block (7292), both sides of the first limiting block (7292) are rotatably connected to second limiting blocks (7293), both sides of the second limiting block (7293) are rotatably connected to third limiting blocks (7294), an outer surface of the third limiting block (7294) is slidably connected to an elastic rod (7295), an inner cavity of the third limiting block (7294) is provided with a fourth spring, and the elastic rod (7295) and the fourth spring are elastically connected; The correction component (6) includes a connecting disk (61), the connecting disk (61) and the robot arm (5) are rotatably connected, a fixed block (62) is fixedly installed on the lower surface of the connecting disk (61), a correction block (63) is provided below the connecting disk (61), first connecting rods (64) are fixedly installed at both ends of the correction block (63), the outer surface of the first connecting rod (64) is sleeved with a second spring (65), the inner cavity of the correction block (63) is slidably connected to the first connecting block (66), the inner cavity of the correction block (63) is provided with a third spring (67), when the material grabbing component (7) moves and drives the first connecting block (66) to move, the first connecting block (66) moves and drives the correction block (63) to move, the correction block (63) moves and drives the first connecting rod (64) to move in the inner cavity of the fixed block (62), and the elastic force of the second spring (65) keeps the correction block (63) in its original position; The first connecting block (66) and the claw frame (71) are fixedly connected, the second spring (65) is located between the fixed block (62) and the correction block (63), and the third spring (67) is located between the inner wall of the correction block (63) and the first connecting block (66).

2. A pure electric power grabber according to claim 1, characterized in that: The clamping mechanism (79) includes a connecting plate (791), the inner cavity of the connecting plate (791) is fixedly connected to a distance-adjusting rod (792), the outer surface of the distance-adjusting rod (792) is provided with a socket (793), the inner cavity of the rotating frame (78) is slidably connected to an insertion rod (794), the outer surface of the insertion rod (794) is fixedly connected to a fixing ring (795), the outer surface of the insertion rod (794) is sleeved with a fifth spring (796), the fifth spring (796) is located between the fixing ring (795) and the rotating frame (78), the insertion rod (794) and the socket (793) are plugged together, and the distance-adjusting rod (792) is slidably connected to an insertion rod (794), the outer surface of the insertion rod (794) is fixedly connected to a fixing ring (795), and the outer surface of the insertion rod (794) is sleeved with a fifth spring (796), the fifth spring (796) is located between the fixing ring (795) and the rotating frame (78), the insertion rod (794) and the socket (793) are plugged together, and the distance-adjusting rod (792) is slidably connected to an insertion rod (794), and the outer surface of the insertion rod (794) is fixedly connected to a fixing ring (795). ) and the rotating frame (78) are slidably connected, one end of the pitch-adjusting rod (792) is fixedly mounted with a floating ball (797), the outer surface of the floating ball (797) is movably connected with a floating plate (798), both ends of the floating plate (798) are fixedly mounted with a second connecting rod (799), the outer surface of the second connecting rod (799) is sleeved with a sixth spring (7910), the sixth spring (7910) is located between the connecting plate (791) and the floating plate (798), both ends of the connecting plate (791) are provided with movable holes, and the second connecting rod (799) and the connecting plate (791) are movably connected through the movable holes.

3. A pure electric powered material grabber according to claim 1, characterized in that: The lifting assembly (3) includes a base plate (31), a support block (32) is fixedly mounted on the upper surface of the base plate (31), a buffer adjustment mechanism (33) is fixedly mounted on the top of the support block (32), an inner cavity of the support block (32) is rotatably connected to a first rotating rod (34), and gears (35) are fixedly mounted on both ends of the first rotating rod (34), a step mechanism (36) is provided on the upper surface of the base plate (31), a first cylinder (37) is fixedly mounted on the upper surface of the base plate (31), an inner cavity of the first cylinder (37) is slidably connected to a first piston rod (38), a limiting cylinder (39) is fixedly mounted on the upper surface of the base plate (31), an inner cavity of the limiting cylinder (39) is slidably connected to a gear rod (310), the gear rod (310) and the gear (35) are meshed, a lifting frame (311) is fixedly mounted on the top of the first piston rod (38), and the gear rod (310) and the lifting frame (311) are fixedly connected.

4. A pure electric powered material grabber as claimed in claim 3, characterized in that: The buffer adjustment mechanism (33) includes a buffer frame (331), the inner cavity of the buffer frame (331) is rotatably connected to a first threaded rod (332), the upper surface of the buffer frame (331) is provided with an adjustment groove (333), the inner cavity of the adjustment groove (333) is slidably connected to a buffer seat (334), the buffer seat (334) and the first threaded rod (332) are connected by threads, and the threads at both ends of the first threaded rod (332) are in opposite directions, and the inner cavity of the buffer seat (334) is slidably connected to a slider. (335), a first spring (336) is provided on one side of the slider (335), the first spring (336) is located between the inner wall of the buffer seat (334) and the slider (335), the outer surface of the slider (335) is rotatably connected to a connecting strip (337), the inner cavity of the buffer seat (334) is slidably connected to a buffer block (338), both sides of the buffer block (338) are rotatably connected to the connecting strip (337), and a buffer disk (339) is fixedly installed on the upper surface of the buffer block (338).

5. The pure electric power grabber according to claim 3, characterized in that: The step mechanism (36) comprises a step frame (361), a handle (362) is fixedly mounted on the outer surface of the step frame (361), a sliding groove (363) is provided on the upper surface of the base plate (31), and the step frame (361) and the sliding groove (363) are slidably connected.

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