Double-scissor-fork type lifting platform carrying vehicle

By designing a double-hinged scissor structure and a double-scissor lifting platform truck with hydraulic cylinder group, the problem of insufficient platform lifting height in the existing technology is solved, and a higher lifting platform is realized, suitable for higher shelves, with simple structure and convenient operation.

CN222647553UActive Publication Date: 2025-03-21ZHEJIANG LANXI SHANYE MASCH CO LTD
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Patent Information

Application Number
CN202421432619.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-21
Publication Date
2025-03-21
Estimated Expiration
2034-06-21

AI Technical Summary

Technical Problem

The platform lifting height of the existing scissor lifting platform truck is insufficient to adapt to higher shelves.

Method used

A double-scissor type lifting platform truck was designed, adopting a double-hinged scissor structure, which achieves a higher lifting platform through the hydraulic cylinder group and the pedal group. The frame base is connected to the lower scissor and upper scissor through the pin and roller to achieve flexible rotation, forward movement and lifting functions.

Benefits of technology

The height of the platform has been raised to 1.5 meters, which is suitable for higher shelves. It has a simple structure, convenient operation, and a wide range of application, which can realize the handling of goods on shelves with larger heights.

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Abstract

The utility model relates to a double shear fork type lifting platform carrier which comprises a frame base, a hydraulic oil cylinder set, a lower shear fork, an upper shear fork, a working platform, a foot bar set and a handle set, the frame base is provided with the lower shear fork, the other end of the lower shear fork is connected with the upper shear fork, the other end of the upper shear fork is connected with the working platform, and the rear end of the frame base is further provided with the handle set. The front end of the lower shear fork is connected with the hydraulic oil cylinder set, the hydraulic oil cylinder set is connected with the foot bar set and the universal joint set through the connecting plate and the universal joint connector, the foot bar set is externally connected with the foot bar, so that the force arm of the foot bar set is lengthened, the force needed by treading the foot bar is smaller, and more labor is saved. Two straight wheels are installed at the front end of the bottom of the frame base, and two universal wheels are installed at the rear end of the bottom of the frame base. The utility model has the advantages that: 1, the equipment is simple in structure, flexible to operate, not limited by occasions and wide in application range; and 2, more lifting space is lifted, and goods carrying on a goods shelf with larger height can be realized.
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Description

Technical Field

[0001] The utility model relates to a transport device, in particular to a double-scissor-type lifting platform transport vehicle. Background Art

[0002] Scissor lift platform truck is a multifunctional logistics loading and unloading industrial equipment, which can move and transport goods, and can be lifted to a certain height as a working platform. It is used in many industries, especially in mold factories, warehouses and other places. The platform lifting height of conventional 1000 kg platform truck is only 1.5 meters from the ground, and it cannot be used when encountering a higher shelf. Utility Model Content

[0003] The technical problem to be solved by the utility model is: in view of the defects and shortcomings of existing related products, a lifting platform transporter with a simple structure, convenient operation, a lifting height of 1.5 meters and a double-articulated scissor fork is provided.

[0004] The specific technical scheme of the utility model is: a double scissor lift platform transporter, including a frame base, a hydraulic cylinder group, a lower scissor, an upper scissor, a working platform, a pedal rod group and a handle group. The frame base is equipped with a lower scissor, the other end of the lower scissor is connected to the upper scissor, the other end of the upper scissor is connected to the working platform, the rear end of the frame base is also equipped with a handle group, the front end of the lower scissor is connected to the hydraulic cylinder group, the hydraulic cylinder group is connected to the pedal rod group and the universal joint group through a connecting plate and a universal joint respectively, the pedal rod group is externally connected to a foot rod, so that the force arm of the pedal rod group is lengthened, and the force required to step on the pedal rod is smaller and more labor-saving. The universal joint group is connected to the handle group, two straight wheels are installed at the front end of the bottom of the frame base, and two universal wheels are installed at the rear end.

[0005] Preferably, the bottom of the handle group is installed on the handle seats on both sides of the rear end of the frame base and connected with bolts. A universal wheel is installed at the lower end of each handle seat. The universal wheel is provided with a side brake. The whole vehicle can be moved in any direction by pushing and pulling the steering of the control handle. When it reaches the working position and needs to be stationary, the side brakes on the two universal wheels can be stepped on to lock the casters so that the vehicle cannot move.

[0006] Preferably, the frame base is connected to the front end of the bottom of the lower scissor fork through a pin shaft and locked with a locking nut. A shaft head is welded to the rear end of the bottom of the lower scissor fork, a roller is installed on the shaft head, and a shaft retaining ring is installed on the outer side of the roller. The roller is installed in the U-shaped groove of the lower track on the frame base and can roll forward and backward along the length direction of the track.

[0007] Preferably, the connecting hole between the lower scissors fork and the upper scissors fork is equipped with an intermediate pin, and both ends of the intermediate pin are clamped with shaft retaining rings, the front end of the top of the upper scissors fork is connected to the working platform through the pin and locked with a lock nut, and a roller long axis is welded to the rear end of the top of the upper scissors fork, a roller is installed on the roller long axis, and a shaft retaining ring is installed on the outer side of the roller at the shaft head, and the roller is installed in the U-shaped groove of the upper track on the frame base, and can roll back and forth along the length direction of the track.

[0008] Preferably, the lifting rod at the front end of the hydraulic cylinder group is connected to the ear plate of the lower scissors with a pin, and the other end is provided with a cylinder connecting plate which is connected to the pedal group and the cylinder support plate on the frame base with a pin. A rubber sleeve is installed at the upper end of the pedal rod, and the lower end of the pedal rod is installed in the square steel hole of the pedal rod group. The connecting plate is respectively connected to the compression rods on the pedal group and the hydraulic cylinder group, and a return spring is installed on the compression rod.

[0009] Preferably, the handle group is provided with a handle rod group and a handle panel, the handle rod group and the handle panel are connected by a pin shaft, the handle rod group is provided with a control handle, the bottom of the rod of the handle rod group is provided with a threaded end, the threaded end passes through the frame base and is inserted into the rod joint hole, and is fastened by two upper and lower nuts, the rod joint is connected to the rocker arm by a step pin shaft, the long rod of the universal joint group is inserted into the slotted hole of the rocker arm and is fastened with a hexagon socket screw, and the universal joint joint at the other end of the universal joint group is inserted into the drain rod of the hydraulic cylinder group and is fastened with a hexagon socket screw.

[0010] The beneficial effects of the utility model are: 1. The device has a simple structure, flexible operation, is not limited by occasions, and has a wide range of applications. 2. It can flexibly realize the functions of rotation, forward movement, and lifting, and increase more lifting space, so as to realize the handling of goods on shelves with greater height. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 : It is the main structure schematic diagram of the utility model.

[0012] Figure 2 : It is a left-side local structural schematic diagram of the utility model.

[0013] Figure 3 : It is a schematic diagram of the main AA cross-sectional structure of the utility model.

[0014] Figure 4 : It is a schematic diagram of the main BB cross-sectional structure of the present utility model.

[0015] Figure 5 : It is a schematic diagram of the main CC cross-sectional structure of the utility model.

[0016] Figure 6 : It is a schematic diagram of the main DD cross-sectional structure of the utility model.

[0017] Figure 7 : It is a schematic diagram of the main EE cross-sectional structure of the utility model. DETAILED DESCRIPTION

[0018] The embodiments of the present utility model are described in conjunction with the accompanying drawings.

[0019] A double scissor lift platform transporter includes a frame base 1, a hydraulic cylinder group 2, a lower scissor fork 3, an upper scissor fork 4, a working platform 5, a pedal group 6 and a handle group 7. The frame base 1 is provided with a lower scissor fork 3, the other end of the lower scissor fork 3 is connected to the upper scissor fork 4, the other end of the upper scissor fork 4 is connected to the working platform 5, the rear end of the frame base 1 is also provided with a handle group 7, the front end of the lower scissor fork 3 is connected to the hydraulic cylinder group 2, the hydraulic cylinder group 2 is respectively connected to the pedal group 6 and the universal joint group 29 through a connecting plate 31 and a universal joint 30, the pedal group 6 is externally connected to a foot rod 21, so that the lever arm of the pedal group 6 is lengthened, and the force required to step on the pedal is smaller and more labor-saving. The universal joint group 29 is connected to the handle group 7, two straight wheels 8 are installed at the front end of the bottom of the frame base 1, and two universal wheels 9 are installed at the rear end.

[0020] The bottom of the handle group 7 is mounted on the handle seats 10 on both sides of the rear end of the frame base 1 and connected with bolts. A universal wheel 9 is installed at the lower end of each handle seat 10. The universal wheel 9 is provided with a side brake. By pushing and pulling the steering of the control handle, the whole vehicle can be moved in any direction. When it reaches the working position and needs to be stationary, the side brakes on the two universal wheels 9 are stepped on to lock the casters so that the vehicle cannot move.

[0021] The frame base 1 is connected to the front end of the bottom of the lower scissor fork 3 through a pin 11 and is locked with a lock nut 16. A shaft head 12 is welded to the rear end of the bottom of the lower scissor fork 3, and a roller 13 is installed on the shaft head 12. A shaft retaining ring 14 is installed on the outside of the roller 13. The roller 13 is installed in the U-shaped groove of the lower track 15 on the frame base 1 and can roll forward and backward along the length direction of the track.

[0022] The connecting hole of the lower scissors fork 3 and the upper scissors fork 4 is equipped with an intermediate pin 19, and the two ends of the intermediate pin 19 are clamped with shaft retaining rings 14. The top front end of the upper scissors fork 4 is connected to the working platform 5 through a pin 11 and is locked with a lock nut 16. A roller long shaft 17 is welded to the rear end of the top of the upper scissors fork 4, and a roller 13 is installed on the roller long shaft 17. The outer side of the roller 13 is equipped with a shaft retaining ring 14 at the shaft head 12. The roller 13 is installed in the U-shaped groove of the upper track 18 on the frame base 1, and can roll back and forth along the length direction of the track.

[0023] The lifting rod at the front end of the hydraulic cylinder group 2 is connected to the ear plate 32 of the lower scissors 3 by a pin shaft, and the other end is provided with a cylinder connecting plate 34 which is connected to the pedal group 6 and the cylinder support plate 20 on the frame base 1 by a pin shaft. A rubber sleeve 22 is installed at the upper end of the pedal rod 21, and the lower end of the pedal rod 21 is installed in the square steel hole of the pedal group 6. The connecting plate 31 is respectively connected to the pedal group 6 and the compression rod 33 on the hydraulic cylinder group 2, and a return spring is installed on the compression rod 33.

[0024] The handle group 7 is provided with a handle rod group 23 and a handle panel 24, the handle rod group 23 and the handle panel 24 are connected by a pin shaft, the handle rod group 23 is provided with a control handle 25, the bottom of the rod of the handle rod group 23 is provided with a threaded end, the threaded end passes through the frame base 1 and is inserted into the hole of the rod joint 27, and is fastened by two upper and lower nuts, the rod joint 27 is connected to the rocker arm 28 through a step pin shaft, the long rod of the universal joint group 29 is inserted into the slotted hole of the rocker arm 28 and is fastened with a hexagon socket screw, and the universal joint 30 at the other end of the universal joint group 29 is inserted into the drain rod of the hydraulic cylinder group 2 and is fastened with a hexagon socket screw.

[0025] When in use, push the transport vehicle to the side of the desired transport shelf, step on the foot rod 21 with your foot, the foot rod group 6 pushes the compression rod on the hydraulic cylinder group 2 to press the oil through the connecting plate 31, the lifting rod on the hydraulic cylinder group 2 extends, and pushes the ear plate 32 on the lower scissor fork 3 to rotate outward, so that the lower scissor fork 3 and the upper scissor fork 4 connected with the lower scissor fork double axis move upward together, and finally push the working platform to move upward, step on the foot rod repeatedly until the lifting rod is extended to the limit position, and the working platform also rises to the highest position.

[0026] When the transporting work is completed, the control handle 25 is pressed down by hand, the pull rod is lifted, and the swing arm 28 rotates, and the universal joint assembly 29 fastened to the swing arm 28 rotates together, and the oil release rod on the hydraulic cylinder assembly 2 fastened to the joint of the universal joint assembly 29 also rotates together, the hydraulic circuit is opened, and the lifting rod is compressed back to the initial position under the deadweight of the working platform and the upper and lower scissors, and finally drives the upper and lower scissors and the working platform to descend to the lowest height.

[0027] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. 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 present invention.

Claims

1. A double scissor lift platform transporter, characterized in that: The invention comprises a frame base (1), a hydraulic cylinder group (2), a lower scissor fork (3), an upper scissor fork (4), a working platform (5), a pedal rod group (6) and a handle group (7). The frame base (1) is provided with a lower scissor fork (3), the other end of the lower scissor fork (3) is connected to an upper scissor fork (4), the other end of the upper scissor fork (4) is connected to a working platform (5), the rear end of the frame base (1) is also provided with a handle group (7), the front end of the lower scissor fork (3) is connected to a hydraulic cylinder group (2), the hydraulic cylinder group (2) is connected to a pedal rod group (6) and a universal joint group (29) through a connecting plate (31) and a universal joint (30), the pedal rod group (6) is externally connected to a pedal rod (21), the universal joint group (29) is connected to the handle group (7), two straight wheels (8) are installed at the front end of the bottom of the frame base (1), and two universal wheels (9) are installed at the rear end.

2. A double scissor lift platform transporter according to claim 1, characterized in that: The bottom of the handle assembly (7) is mounted on handle seats (10) on both sides of the rear end of the frame base (1) and connected by bolts. A universal wheel (9) is mounted at the lower end of each handle seat (10), and the universal wheel (9) is provided with a side brake.

3. The double scissor lift platform transporter according to claim 1, characterized in that: The frame base (1) is connected to the front end of the bottom of the lower scissors (3) through a pin shaft (11) and is locked with a locking nut (16). The rear end of the bottom of the lower scissors (3) is welded with an axle head (12), and a roller (13) is installed on the axle head (12). The outer side of the roller (13) is equipped with an axle retaining ring (14) on the axle head (12). The roller (13) is installed in the U-shaped groove of the lower track (15) on the frame base (1).

4. A double scissor lift platform transporter according to claim 3, characterized in that: The connecting holes of the lower scissors (3) and the upper scissors (4) are provided with intermediate pins (19), and both ends of the intermediate pins (19) are clamped with shaft retaining rings (14). The top front end of the upper scissors (4) is connected to the working platform (5) through a pin (11) and is locked with a locking nut (16). The top rear end of the upper scissors (4) is welded with a roller shaft (17), and a roller (13) is installed on the roller shaft (17). The outer side of the roller (13) is provided with a shaft retaining ring (14) at the shaft head (12), and the roller (13) is installed in the U-shaped groove of the upper track (18) on the frame base (1).

5. The double scissor lift platform transporter according to claim 1, characterized in that: The lifting rod at the front end of the hydraulic cylinder group (2) is connected to the ear plate (32) of the lower scissor (3) by a pin shaft, and the other end is provided with a cylinder connecting plate (34) connected to the pedal group (6) and the cylinder support plate (20) on the frame base (1) by a pin shaft, the upper end of the pedal rod (21) is installed with a rubber sleeve (22), the lower end of the pedal rod (21) is installed in the square steel hole of the pedal group (6), the connecting plate (31) is respectively connected to the pedal group (6) and the compression rod (33) on the hydraulic cylinder group (2), and the compression rod (33) is installed with a return spring.

6. The double scissor lift platform transporter according to claim 1, characterized in that: The handle assembly (7) is provided with a handle rod assembly (23) and a handle panel (24), the handle rod assembly (23) and the handle panel (24) are connected by a pin shaft, the handle rod assembly (23) is provided with a control handle (25), the bottom of the rod of the handle rod assembly (23) is provided with a threaded end, the threaded end passes through the frame base (1) and is inserted into the hole of the rod joint (27), and is fastened by two upper and lower nuts, the rod joint (27) is connected to the swing rod (28) by a stepped pin shaft, the long rod of the universal joint assembly (29) is inserted into the slotted hole of the swing rod (28) and is fastened by a hexagon socket screw, and the universal joint joint (30) at the other end of the universal joint assembly (29) is inserted into the oil release rod of the hydraulic cylinder assembly (2) and is fastened by a hexagon socket screw.