A shock absorbing structure for industrial lift

Abstract

The present invention belongs to the technical field of industrial lifts, and specifically is a shock absorbing structure of an industrial lift, comprising a mobile base, a lifting seat, a placement bin, a lifting assembly, a buffer assembly and a protection assembly, wherein the lifting assembly is arranged between the top of the mobile base and the bottom of the lifting seat, the lifting assembly comprises a cross bottom rod and a cross top rod, one end of the cross bottom rod and one end of the cross top rod are both rotatably connected with a connecting strut, the surface of the cross bottom rod is slidably connected with a sliding connection frame, the buffer assembly comprises a damping telescopic rod and a threaded damping rod, one end of the damping telescopic rod is rotatably connected to the surface of the sliding connection frame, and one end of the damping telescopic rod away from the sliding connection frame is rotatably connected to the surface of the cross top rod, and the structural design of the buffer assembly realizes the function of buffering and shock absorbing of the placement bin, the cross bottom rod and the cross top rod, thereby reducing the probability of safety accidents and improving the efficiency of lifting operations.

Description

Technical Field

[0001] The invention relates to the technical field of industrial lifts, in particular to a shock absorbing structure of an industrial lift. Background Art

[0002] Industrial lifts are a type of mechanical equipment widely used in the industrial field. They realize the vertical lifting of goods or personnel through a specific working principle. They are also powerful and widely used mechanical equipment. They are of great significance for improving production efficiency, reducing labor intensity, and ensuring work safety. When using industrial lifts, it is necessary to strictly abide by the safety operating procedures to ensure the safe operation of the equipment. At the same time, the equipment should be regularly maintained and inspected to promptly discover and eliminate potential safety hazards.

[0003] A Chinese patent with publication number CN103662683A discloses an elevator for transporting racks at different heights, which includes a frame, an electric cylinder vertically fixed in the frame, and a transmission frame installed on the electric cylinder, the transmission frame includes a frame body and a transmission unit, the frame body includes a top plate, a bottom plate, and a vertical plate and a column for connecting the top plate and the bottom plate, and the transmission unit is installed at the bottom of the frame body and is used to send the rack into and out of the transmission frame. In the elevator provided by the present invention, the rack is first transferred to the transmission frame of the elevator through the transmission unit, and then the transmission frame is driven by the electric cylinder to be lifted and lowered, and the lifting process is smooth. When the rack is transferred to the target position, the rack is then transferred by the transmission unit, so that the rack can be smoothly transferred in, lifted or lowered, and transferred out, avoiding manual handling of the rack and improving work efficiency.

[0004] For example, the above patent provides an elevator for transporting material racks at different heights. Although it can realize the smooth transfer, lifting or lowering and outgoing actions of the material racks, avoiding manual handling of the material racks and improving work efficiency, this elevator is inevitably bumpy during operation due to the working environment, which may cause the items inside the elevator to be shaken out, which not only causes inconvenience to the construction, but may also cause safety accidents in serious cases. The overall work efficiency needs to be improved. Therefore, a shock-absorbing structure of an industrial elevator is proposed to address the above problems. Summary of the invention

[0005] In order to solve the problem that existing industrial lifts are inevitably bumpy during operation due to the working environment, which causes the items inside the lift to be shaken out, which not only causes inconvenience to the construction but may also cause safety accidents in serious cases, and the overall work efficiency needs to be improved, the present invention proposes a shock absorbing structure for an industrial lift.

[0006] The technical solution adopted by the present invention to solve the technical problem is: the shock absorbing structure of an industrial lift described in the present invention comprises a mobile chassis, a lifting seat, a placement bin, a lifting assembly, a buffer assembly and a protection assembly; The lifting assembly is arranged between the top of the mobile base and the bottom of the lifting seat, and the lifting assembly includes a cross bottom rod and a cross top rod, one end of the cross bottom rod and one end of the cross top rod are rotatably connected to a connecting strut, and the surface of the cross bottom rod is slidably connected to a sliding connecting frame, and the buffer assembly includes a damping telescopic rod and a threaded damping rod, one end of the damping telescopic rod is rotatably connected to the surface of the sliding connecting frame, and the end of the damping telescopic rod away from the sliding connecting frame is rotatably connected to the surface of the cross top rod, a torsion spring is sleeved on the surface of the connecting strut, and the two ends of the torsion spring are respectively fixedly connected to the surfaces of the cross bottom rod and the cross top rod, the top end of the threaded damping rod is fixedly connected to the bottom of the placement bin, and the bottom end of the threaded damping rod The cam is threadedly connected to the bottom of the lifting seat, and the surface of the threaded damping rod is slidably connected to the surface of the lifting seat. The bottom end of the threaded damping rod is threadedly connected to a positioning nut. The surface of the threaded damping rod and the top of the lifting seat are sleeved with a buffer spring. The bottom end of the buffer spring is fixedly connected to a limiting slip ring. The inner side of the limiting slip ring is slidably connected to the surface of the threaded damping rod. The protective component includes a mounting sleeve and a flexible foldable breathable sleeve. The number of the mounting sleeves is set to two, and the two mounting sleeves are respectively fixedly connected to the surface of the mobile chassis and the surface of the lifting seat. The insides of the two mounting sleeves are fixedly connected to an electric telescopic rod, and the inner side of the flexible foldable breathable sleeve is sleeved on the surface of the damping telescopic rod.

[0007] Preferably, the number of the cross bottom bars and the cross top bars is set to four, and the four cross bottom bars and the cross top bars are symmetrically arranged in pairs on both sides of the movable base frame, wherein the bottom ends of the two cross bottom bars and the top ends of the cross top bars are fixedly connected with auxiliary connecting shafts.

[0008] Preferably, both ends of the auxiliary connecting shaft are rotatably connected with sliding wheels, and the surfaces of the sliding wheels are rollingly connected with the inner sides of the movable base and the lifting seat respectively. The bottom ends of the other two cross bottom rods and the top ends of the cross top rods are fixedly connected with auxiliary limiting shafts, and the two ends of the auxiliary limiting shafts are rotatably connected with the surfaces of the movable base and the lifting seat.

[0009] Preferably, one end of the electric telescopic rod is fixedly connected to a pushing limit seat, the surface of the pushing limit seat is fixedly connected to the surface of the auxiliary connecting clamp shaft, the surface of the movable base is fixedly connected to a mounting base, the top of the mounting base is fixedly connected to a hydraulic cylinder, one end of the hydraulic cylinder is rotatably connected to a rotating clamp plate, and the surface of the rotating clamp plate is fixedly connected to the surface of the auxiliary limiting clamp shaft.

[0010] Preferably, an auxiliary pulley is rotatably connected to the surface of the sliding connection frame, the surface of the auxiliary pulley is rotatably connected to the inner wall of the cross bottom rod, and the top end of the buffer spring is fixedly connected to the bottom of the placement bin.

[0011] Preferably, a push rod is fixedly connected to one side of the top of the movable base frame, mounting clamps are fixedly connected to both sides of the movable base frame, and a movable wheel is rotatably connected to the bottom of the mounting clamp.

[0012] Preferably, the number of the mounting plates and the moving wheels is set to four, and the four mounting plates and the moving wheels are symmetrically arranged in pairs on both sides of the moving chassis, wherein brake pads are provided on the surfaces of two of the moving wheels.

[0013] Preferably, the number of the threaded damping rods is set to four, and the bottom ends of the four threaded damping rods all penetrate the lifting seat and extend to the bottom of the lifting seat, and the surfaces of the four threaded damping rods at one end of the bottom of the lifting seat are connected to the inner threads of the positioning nut.

[0014] Preferably, both ends of the auxiliary limit card shaft penetrate the movable base and the lifting seat and extend to both sides of the movable base and the lifting seat, and one end of the auxiliary limit card shaft located on both sides of the movable base and the lifting seat is rotatably connected to a supporting bearing frame, and the surface of the supporting bearing frame is fixedly connected to the surface of the movable base and the lifting seat.

[0015] Preferably, the number of the electric telescopic rods and the hydraulic cylinders are both set to two, one end of the two electric telescopic rods respectively penetrates the mobile base and the lifting seat and extends to the inner side of the mobile base and the lifting seat, one end of one of the electric telescopic rods located on the inner side of the mobile base is fixedly connected to the surface of the push limit seat, and the other end of the electric telescopic rod located on the inner side of the lifting seat is fixedly connected to the surface of the push limit seat, and the two hydraulic cylinders are symmetrically arranged on both sides of the mounting base.

[0016] The present invention is beneficial in that: 1. The present invention realizes the function of buffering and shock absorbing the storage bin, the cross bottom rod and the cross top rod through the structural design of the buffer assembly, and solves the problem that the bumps are inevitable during the work due to the working environment, which causes the items inside the elevator to be shaken out, which not only causes inconvenience to the construction, but also may cause safety accidents in serious cases, and the overall work efficiency needs to be improved. The probability of safety accidents is reduced and the efficiency of lifting operations is improved; 2. The present invention realizes the function of protecting the damping telescopic rod through the structural design of the protection component, and at the same time can limit and fix the cross bottom rod and the cross top rod after lifting, thereby solving the problem of surface corrosion of the damping telescopic rod if the damping telescopic rod is in a humid environment for a long time and rebound after lifting, resulting in unstable height of the elevator, thereby improving the adaptability of lifting work. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] 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 or the description of the prior art 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.

[0018] Figure 1 It is a schematic diagram of a first three-dimensional structure of the present invention; Figure 2 It is a schematic diagram of a second three-dimensional structure of the present invention; Figure 3 is a schematic diagram of a third three-dimensional structure of the present invention; Figure 4 is a schematic diagram of the bottom structure of the present invention; Figure 5 It is a schematic diagram of the lifting assembly structure in the present invention; Figure 6 An exploded view of a part of the structure of the present invention; Figure 7 It is a schematic diagram of the mobile chassis connection structure of the present invention; Figure 8 It is a schematic diagram of the lifting seat connection structure in the present invention; Fig. 9 It is a schematic diagram of the storage bin connection structure in the present invention.

[0019] In the figure: 1. Mobile chassis; 2. Lifting seat; 3. Placement bin; 4. Cross bottom rod; 5. Cross top rod; 6. Connecting strut; 7. Sliding connecting frame; 8. Damping telescopic rod; 9. Threaded damping rod; 10. Torsion spring; 11. Positioning nut; 12. Buffer spring; 13. Limiting slip ring; 14. Mounting sleeve; 15. Flexible folding breathable sleeve; 16. Electric telescopic rod; 17. Auxiliary connecting card shaft; 18. Sliding wheel; 19. Auxiliary limiting card shaft; 20. Pushing limiting seat; 21. Mounting base; 22. Hydraulic cylinder; 23. Rotating card plate; 24. Auxiliary pulley; 25. Pushing rod; 26. Mounting card plate; 27. Moving wheel; 28. Brake pad; 29. ​​Support bearing frame. DETAILED DESCRIPTION

[0020] 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. Example

[0021] See also Figure 1 - Fig. 9 As shown, a shock absorbing structure of an industrial lift includes a movable chassis 1, a lifting seat 2, a storage bin 3, a lifting assembly, a buffer assembly and a protective assembly; The lifting assembly is arranged between the top of the mobile base frame 1 and the bottom of the lifting seat 2. The lifting assembly includes a cross bottom rod 4 and a cross top rod 5. One end of the cross bottom rod 4 and one end of the cross top rod 5 are both rotatably connected with a connecting strut 6. The surface of the cross bottom rod 4 is slidably connected with a sliding connecting frame 7. The buffer assembly includes a damping telescopic rod 8 and a threaded damping rod 9. One end of the damping telescopic rod 8 is rotatably connected to the surface of the sliding connecting frame 7. The end of the damping telescopic rod 8 away from the sliding connecting frame 7 is rotatably connected to the surface of the cross top rod 5. The surface of the connecting strut 6 is sleeved with a torsion spring 10. The two ends of the torsion spring 10 are respectively fixedly connected to the surfaces of the cross bottom rod 4 and the cross top rod 5. The top end of the threaded damping rod 9 is fixedly connected to the bottom of the placement bin 3, and the bottom end of the threaded damping rod 9 penetrates the lifting seat 2. And extends to the bottom of the lifting seat 2, the surface of the threaded damping rod 9 is slidably connected to the surface of the lifting seat 2, the bottom end of the threaded damping rod 9 is threadedly connected with a positioning nut 11, the surface of the threaded damping rod 9 and located at the top of the lifting seat 2 is sleeved with a buffer spring 12, the bottom end of the buffer spring 12 is fixedly connected to a limited slip ring 13, the inner side of the limited slip ring 13 is slidably connected to the surface of the threaded damping rod 9, the protective component includes a mounting sleeve 14 and a flexible folding breathable sleeve 15, the number of the mounting sleeves 14 is set to two, and the two mounting sleeves 14 are respectively fixedly connected to the surface of the mobile base frame 1 and the surface of the lifting seat 2, the inside of the two mounting sleeves 14 are fixedly connected with an electric telescopic rod 16, the inner side of the flexible folding breathable sleeve 15 is sleeved on the surface of the damping telescopic rod 8, During operation, the lifting assembly is arranged between the mobile base frame 1 and the lifting seat 2, and is specifically composed of a cross bottom rod 4, a cross top rod 5 and a connecting strut 6. The cross bottom rod 4 and the cross top rod 5 are rotatably connected to each other through the connecting strut 6, and the mutual rotation of the cross bottom rod 4 and the cross top rod 5 changes the angle between each other, thereby realizing the lifting effect, and the connecting strut 6 is used to rotatably support the cross bottom rod 4 and the cross top rod 5. In order to realize the buffering function, a damping telescopic rod 8 and a threaded damping rod 9 are arranged, and the damping telescopic rod 8 is rotatably connected on the sliding connecting frame 7, so that it slides on the surface of the cross bottom rod 4 through the sliding connecting frame 7. After the cross bottom rod 4 and the cross top rod 5 are cross-rotated, the damping telescopic rod 8 starts to retract. When the damping telescopic rod 8 reaches a certain After reaching the limit, as the rotation angle changes continuously, the damping telescopic rod 8 pushes the sliding connection frame 7 to slide on the surface of the cross bottom rod 4, so that no matter what state the cross bottom rod 4 and the cross top rod 5 are in, the damping telescopic rod 8 can buffer and reduce shock to the cross bottom rod 4 and the cross top rod 5. In addition, a threaded damping rod 9 is fixed at the bottom of the placement bin 3, and the bottom end of the threaded damping rod 9 passes through the lifting seat 2 and extends to the bottom of the lifting seat 2, and then the threaded damping rod 9 is locked in the limited position at the bottom of the lifting seat 2 by the positioning nut 11. In addition, a buffer spring 12 is sleeved on the surface of the threaded damping rod 9, and the two ends of the buffer spring 12 are respectively fixed to the limit slip ring 13 and the bottom of the placement bin 3, and the buffer spring 12 is in a compressed state, thereby generating tension toward the two ends, which can push The movable placement bin 3 is supported on the placement bin 3, and as the use time becomes longer, the elastic force of the buffer spring 12 may gradually weaken. When this happens, the positioning nut 11 can be further rotated to change the length of the threaded damping rod 9 at the bottom of the lifting seat 2, thereby changing the limit position of the threaded damping rod 9, so that the buffer spring 12 can continue to be compressed, ensuring the elastic force of the buffer spring 12, being able to buffer and reduce shock to the placement bin 3, and being able to adjust the buffer limit, thereby improving the adaptability of the work, and overall solving the problem of inevitable bumps due to the working environment, which leads to the shaking out of the items inside the elevator, not only causing inconvenience to the construction, but also causing safety accidents in serious cases, and the overall work efficiency needs to be improved. The probability of safety accidents is reduced, and the efficiency of lifting operations is improved. The torsion spring 10 applies a force to the surfaces of the cross bottom rod 4 and the cross top rod 5, so that the cross bottom rod 4 and the cross top rod 5 can have a certain elastic force to ensure stability after rotation. Finally, a protective component is set, which includes a mounting sleeve 14 and a flexible folding breathable sleeve 15. The mounting sleeve 14 is mainly used to install the electric telescopic rod 16, and the flexible folding breathable sleeve 15 is sleeved on the surface of the damping telescopic rod 8, which can protect the damping telescopic rod 8 and can be folded with the extension and contraction of the damping telescopic rod 8. In a humid environment at any time, external moisture can enter the damping telescopic rod 8, which solves the problem of corrosion on the surface of the damping telescopic rod 8 if the damping telescopic rod 8 is in a humid environment for a long time.Thus, the service life of the damping telescopic rod 8 is guaranteed.

[0022] Furthermore, the number of the cross bottom bars 4 and the cross top bars 5 is set to four, and the four cross bottom bars 4 and the cross top bars 5 are symmetrically arranged in pairs on both sides of the movable base frame 1, wherein the bottom ends of the two cross bottom bars 4 and the top ends of the cross top bars 5 are fixedly connected with auxiliary connecting shafts 17, and the two ends of the auxiliary connecting shafts 17 are rotatably connected with sliding wheels 18, and the surfaces of the sliding wheels 18 are rollingly connected with the inner side of the movable base frame 1 and the inner side of the lifting seat 2 respectively, and the bottom ends of the other two cross bottom bars 4 and the top ends of the cross top bars 5 are fixedly connected with auxiliary limiting shafts 19, and the two ends of the auxiliary limiting shafts 19 are rotatably connected with the surfaces of the movable base frame 1 and the lifting seat 2. When working, the number of cross bottom bars 4 and cross top bars 5 is set to four, and each group consists of two cross bottom bars 4 and cross top bars 5 assemblies. The two cross bottom bars 4 and cross top bars 5 in each group cross each other, and at the same time, the cross bottom bars 4 and cross top bars 5 cross each other, wherein the bottom ends of the two cross bottom bars 4 and the top ends of the cross top bars 5 are fixedly connected to the auxiliary connecting card shaft 17, and the two cross bottom bars 4 and cross top bars 5 are respectively in two different groups, and in addition, the sliding wheels 18 are rotatably connected at both ends of the auxiliary connecting card shaft 17, which can drive the auxiliary connecting card shaft 17 to move when the cross bottom bars 4 and the cross top bars 5 rotate, thereby driving the sliding wheel 18 to roll on the inner side of the movable base frame 1 and the lifting seat 2, and the other two cross bottom bars 4 and the cross top bars 5 One end is fixedly connected to an auxiliary limit card shaft 19, which is arranged at a fixed position of the movable base frame 1 and the lifting seat 2, and at the same time, the auxiliary limit card shaft 19 can rotate on the surface of the movable base frame 1 and the lifting seat 2. Through the fixed rotation of the auxiliary limit card shaft 19 and the movable setting of the auxiliary connection card shaft 17, the mutual rotation of the cross bottom rod 4 and the cross top rod 5 can be guaranteed, thereby ensuring the stability during lifting, preventing rebound after rotation, ensuring the height stability after lifting, realizing the function of protecting the damping telescopic rod 8, and at the same time, after lifting, the cross bottom rod 4 and the cross top rod 5 can be limited and fixed, solving the problem of unstable height of the elevator caused by rebound after lifting, and improving the adaptability of lifting work.

[0023] Furthermore, one end of the electric telescopic rod 16 is fixedly connected to a push limit seat 20, the surface of the push limit seat 20 is fixedly connected to the surface of the auxiliary connection card shaft 17, the surface of the mobile chassis 1 is fixedly connected to a mounting base 21, the top of the mounting base 21 is fixedly connected to a hydraulic cylinder 22, one end of the hydraulic cylinder 22 is rotatably connected to a rotating card plate 23, the surface of the rotating card plate 23 is fixedly connected to the surface of the auxiliary limit card shaft 19, During operation, one end of the electric telescopic rod 16 is fixed to the push limit seat 20, and the surface of the push limit seat 20 is fixed to the surface of the auxiliary connecting card shaft 17. The electric telescopic rod 16 can be synchronously extended and retracted after the cross bottom rod 4 and the cross top rod 5 rotate with each other, and the electric telescopic rod 16 is ensured to be in a fixed position after rotation, so that the position of the push limit seat 20 is locked to prevent rebound after rotation, thereby ensuring the stability of the height after lifting. Finally, the base 21 is fixedly installed on the surface of the mobile chassis 1, and the installation base 21 is used to install the supporting hydraulic cylinder 22. The hydraulic cylinder 22 drives one end of the rotating card plate 23 to move, and the surface of the rotating card plate 23 is fixedly connected to the auxiliary limit card shaft 19. When one end of the rotating card plate 23 moves with the hydraulic cylinder 22, it can drive the auxiliary limit card shaft 19 to rotate, and the auxiliary limit card shaft 19 is fixed to one end of the cross bottom rod 4, thereby driving the cross bottom rod 4 and the cross top rod 5 to rotate with each other, thereby realizing the lifting effect of the elevator.

[0024] Furthermore, the surface of the sliding connection frame 7 is rotatably connected with an auxiliary pulley 24, the surface of the auxiliary pulley 24 is rotatably connected with the inner wall of the cross bottom rod 4, and the top of the buffer spring 12 is fixedly connected with the bottom of the placement bin 3. During operation, the surface of the sliding connection frame 7 is rotated to connect the auxiliary pulley 24, and the auxiliary pulley 24 is arranged inside the cross bottom rod 4. The auxiliary pulley 24 can roll on the inner wall of the cross bottom rod 4 after the sliding connection frame 7 slides on the surface of the cross bottom rod 4, which limits the sliding connection frame 7 while ensuring the smooth sliding of the sliding connection frame 7. In addition, the top end of the buffer spring 12 is fixedly connected to the bottom of the placement bin 3, so that the buffer spring 12 and the limiting slip ring 13 are fixed to the bottom of the placement bin 3 to prevent the buffer spring 12 from excessively jumping and affecting the buffering and shock absorption effect.

[0025] Furthermore, a push rod 25 is fixedly connected to one side of the top of the mobile chassis 1, and mounting plates 26 are fixedly connected to both sides of the mobile chassis 1. The bottom of the mounting plates 26 is rotatably connected to a moving wheel 27. The number of mounting plates 26 and moving wheels 27 is set to four, and the four mounting plates 26 and moving wheels 27 are symmetrically arranged in pairs on both sides of the mobile chassis 1, wherein brake pads 28 are provided on the surfaces of two moving wheels 27. During operation, the pushing rod 25 is used to push the mobile chassis 1 to move. The mounting plates 26 are fixed on both sides of the mobile chassis 1 for installing the moving wheels 27. The moving wheels 27 facilitate the movement of the mobile chassis 1. Four moving wheels 27 are arranged symmetrically in pairs on both sides of the mobile chassis 1, and brake pads 28 are arranged on the surfaces of two of the moving wheels 27. The brake pads 28 lock the two moving wheels 27, thereby fixing the mobile chassis 1 at a specified position.

[0026] Furthermore, the number of the threaded damping rods 9 is set to four, and the bottom ends of the four threaded damping rods 9 all penetrate the lifting seat 2 and extend to the bottom of the lifting seat 2. The surface of the four threaded damping rods 9 at one end of the bottom of the lifting seat 2 is threadedly connected to the inner side of the positioning nut 11. During operation, four threaded damping rods 9 are provided, and the four threaded damping rods 9 are symmetrically arranged in pairs at the bottom of the placement bin 3, and the bottom ends of the four threaded damping rods 9 pass through the lifting seat 2 and extend to the bottom of the lifting seat 2. The four threaded damping rods 9 together perform buffering and shock absorption between the placement bin 3 and the lifting seat 2, thereby improving the buffering and shock absorption effect.

[0027] Furthermore, both ends of the auxiliary limit card shaft 19 penetrate the movable base frame 1 and the lifting seat 2 and extend to both sides of the movable base frame 1 and the lifting seat 2. One end of the auxiliary limit card shaft 19 located on both sides of the movable base frame 1 and the lifting seat 2 is rotatably connected to a support bearing frame 29. The surface of the support bearing frame 29 is fixedly connected to the surface of the movable base frame 1 and the lifting seat 2. During operation, two auxiliary limit card shafts 19 are provided, which respectively penetrate the movable base frame 1 and the lifting seat 2 and extend to both sides of the movable base frame 1 and the lifting seat 2, and the surfaces at both ends of the two auxiliary limit card shafts 19 rotate with the surfaces of the movable base frame 1 and the lifting seat 2 respectively, and the support bearing frame 29 is fixed on the surface of the movable base frame 1 and the lifting seat 2, and the support bearing frame 29 is rotatably connected to the surface of the auxiliary limit card shaft 19, which can provide limiting support for the auxiliary limit card shaft 19.

[0028] Furthermore, the number of the electric telescopic rods 16 and the hydraulic cylinders 22 are both set to two, one end of the two electric telescopic rods 16 respectively penetrates the mobile base frame 1 and the lifting seat 2 and extends to the inner side of the mobile base frame 1 and the lifting seat 2, one end of one electric telescopic rod 16 located on the inner side of the mobile base frame 1 is fixedly connected to the surface of the push limit seat 20, and the other end of the electric telescopic rod 16 located on the inner side of the lifting seat 2 is fixedly connected to the surface of the push limit seat 20, and the two hydraulic cylinders 22 are symmetrically arranged on both sides of the mounting base 21. During operation, two electric telescopic rods 16 and hydraulic cylinders 22 are provided, wherein the two electric telescopic rods 16 respectively penetrate the movable base frame 1 and the lifting seat 2 and extend to the inner side of the movable base frame 1 and the lifting seat 2, and one end of the electric telescopic rod 16 located on the inner side of the movable base frame 1 and the lifting seat 2 is fixedly connected to the surface of the push-limit seat 20, thereby driving the push-limit seat 20 to move on the inner side of the movable base frame 1 and the lifting seat 2, facilitating the movement and limiting of the auxiliary connecting card shaft 17 on the surface of the cross bottom rod 4 and the cross top rod 5, and the two hydraulic cylinders 22 are symmetrically arranged on the surface of the mounting base 21, jointly pushing the rotating card plate 23 to move, and being able to more effectively provide energy for the lifting of the elevator.

[0029] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, and these changes and improvements all fall within the scope of the present invention to be protected.

Claims

1. A shock absorbing structure for an industrial lift, characterized in that: It comprises a mobile base frame (1), a lifting seat (2), a storage bin (3), a lifting component, a buffer component and a protective component; The lifting assembly is arranged between the top of the movable base frame (1) and the bottom of the lifting seat (2), and comprises a cross bottom rod (4) and a cross top rod (5), one end of the cross bottom rod (4) and one end of the cross top rod (5) are both rotatably connected to a connecting strut (6), the surface of the cross bottom rod (4) is slidably connected to a sliding connecting frame (7), the buffer assembly comprises a damping telescopic rod (8) and a threaded damping rod (9), one end of the damping telescopic rod (8) is rotatably connected to the surface of the sliding connecting frame (7), the end of the damping telescopic rod (8) away from the sliding connecting frame (7) is rotatably connected to the surface of the cross top rod (5), the surface of the connecting strut (6) is sleeved with a torsion spring (10), the two ends of the torsion spring (10) are respectively fixedly connected to the surfaces of the cross bottom rod (4) and the cross top rod (5), the top end of the threaded damping rod (9) is fixedly connected to the bottom of the placement bin (3), and the bottom end of the threaded damping rod (9) penetrates the lifting and lowering device. The lifting seat (2) is provided with a movable base frame (1) and extends to the bottom of the lifting seat (2); the surface of the threaded damping rod (9) is slidably connected to the surface of the lifting seat (2); the bottom end of the threaded damping rod (9) is threadedly connected to a positioning nut (11); the surface of the threaded damping rod (9) and located at the top of the lifting seat (2) is sleeved with a buffer spring (12); the bottom end of the buffer spring (12) is fixedly connected to a limiting slip ring (13); the inner side of the limiting slip ring (13) is slidably connected to the surface of the threaded damping rod (9); the protective component comprises a mounting sleeve (14) and a flexible foldable breathable sleeve (15); the number of the mounting sleeves (14) is set to two, and the two mounting sleeves (14) are respectively fixedly connected to the surface of the movable base frame (1) and the surface of the lifting seat (2); the inside of the two mounting sleeves (14) are fixedly connected to an electric telescopic rod (16); the inner side of the flexible foldable breathable sleeve (15) is sleeved on the surface of the damping telescopic rod (8).

2. The shock absorbing structure of an industrial lift according to claim 1, characterized in that: The number of the cross bottom bars (4) and the cross top bars (5) is set to four, and the four cross bottom bars (4) and the cross top bars (5) are symmetrically arranged in pairs on both sides of the movable base frame (1), wherein the bottom ends of the two cross bottom bars (4) and the top ends of the cross top bars (5) are fixedly connected with auxiliary connecting clamping shafts (17).

3. The shock absorbing structure of an industrial lift according to claim 2, characterized in that: The two ends of the auxiliary connection card shaft (17) are rotatably connected to sliding wheels (18), and the surfaces of the sliding wheels (18) are respectively rollingly connected to the inner side of the movable base frame (1) and the inner side of the lifting seat (2). The bottom ends of the other two cross bottom rods (4) and the top ends of the cross top rods (5) are fixedly connected to auxiliary limit card shafts (19), and the two ends of the auxiliary limit card shaft (19) are rotatably connected to the surfaces of the movable base frame (1) and the lifting seat (2).

4. The shock absorbing structure of an industrial lift according to claim 1, characterized in that: One end of the electric telescopic rod (16) is fixedly connected to a push limit seat (20), the surface of the push limit seat (20) is fixedly connected to the surface of the auxiliary connection clamping shaft (17), the surface of the mobile base frame (1) is fixedly connected to a mounting base (21), the top of the mounting base (21) is fixedly connected to a hydraulic cylinder (22), one end of the hydraulic cylinder (22) is rotatably connected to a rotating clamping plate (23), the surface of the rotating clamping plate (23) is fixedly connected to the surface of the auxiliary limit clamping shaft (19).

5. The shock absorbing structure of an industrial lift according to claim 1, characterized in that: The surface of the sliding connection frame (7) is rotatably connected to an auxiliary pulley (24), the surface of the auxiliary pulley (24) is rotatably connected to the inner wall of the cross bottom rod (4), and the top end of the buffer spring (12) is fixedly connected to the bottom of the placement bin (3).

6. The shock absorbing structure of an industrial lift according to claim 1, characterized in that: A push rod (25) is fixedly connected to one side of the top of the movable base frame (1), mounting clamps (26) are fixedly connected to both sides of the movable base frame (1), and a movable wheel (27) is rotatably connected to the bottom of the mounting clamps (26).

7. The shock absorbing structure of an industrial lift according to claim 6, characterized in that: The number of the mounting plates (26) and the moving wheels (27) is set to four, and the four mounting plates (26) and the moving wheels (27) are symmetrically arranged in pairs on both sides of the moving base frame (1), wherein brake pads (28) are provided on the surfaces of two of the moving wheels (27).

8. The shock absorbing structure of an industrial lift according to claim 1, characterized in that: The number of the threaded damping rods (9) is set to four, and the bottom ends of the four threaded damping rods (9) all penetrate the lifting seat (2) and extend to the bottom of the lifting seat (2), and the surfaces of the four threaded damping rods (9) located at one end of the bottom of the lifting seat (2) are connected to the inner thread of the positioning nut (11).

9. The shock absorbing structure of an industrial lift according to claim 2, characterized in that: Both ends of the auxiliary limit clamping shaft (19) penetrate the movable base frame (1) and the lifting seat (2) and extend to both sides of the movable base frame (1) and the lifting seat (2); one end of the auxiliary limit clamping shaft (19) located on both sides of the movable base frame (1) and the lifting seat (2) is rotatably connected to a support bearing frame (29); and the surface of the support bearing frame (29) is fixedly connected to the surface of the movable base frame (1) and the lifting seat (2).

10. The shock absorbing structure of an industrial lift according to claim 3, characterized in that: The number of the electric telescopic rod (16) and the hydraulic cylinder (22) is set to two, one end of the two electric telescopic rods (16) respectively penetrates the movable base frame (1) and the lifting seat (2) and extends to the inner side of the movable base frame (1) and the lifting seat (2), one end of one of the electric telescopic rods (16) located on the inner side of the movable base frame (1) is fixedly connected to the surface of the push limit seat (20), and the other end of the electric telescopic rod (16) located on the inner side of the lifting seat (2) is fixedly connected to the surface of the push limit seat (20), and the two hydraulic cylinders (22) are symmetrically arranged on both sides of the mounting base (21).

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