A lifting platform with folding guardrail

Abstract

The present application discloses a lifting platform with a foldable guardrail, which relates to the technical field of lifting platforms. The present application includes a lifting platform, the bottom end of which is fixedly connected with a lifting device, and the lifting device includes two bottom plates, the top ends of the two bottom plates are fixedly connected with two outer rods, the inner surfaces of the two outer rods are slidably provided with threaded rods, the outer surfaces of the two threaded rods located above the outer rods are threadedly sleeved with worm gears, the bottom ends of the two worm gears are respectively rotatably connected with the top ends of the two outer rods, the outer surfaces of the two worm wheels are meshingly connected with worms, the inner surfaces of the two worm gears are jointly fixedly connected with a rotating rod, one end of the two outer rods are jointly fixedly connected with a support frame, and the top end of the support frame is fixedly connected with two fixed plates. By setting a lifting device, the utility model can complete the lifting and lowering of the device by a first motor to achieve the effect of saving time and effort.

Description

Technical Field

[0001] The present application relates to the technical field of lifting platforms, and in particular to a lifting platform with a folding guardrail. Background Art

[0002] A lifting platform is a mechanical device used for vertical lifting of goods or people. It usually consists of a platform, a lifting mechanism and a control system. The lifting action can be achieved by electric, hydraulic or mechanical drive. There are many types and uses of lifting platforms. Some common examples include: cargo lifting platforms, mobile lifting platforms, aerial work lifting platforms, vehicle lifting platforms. The design and specifications of lifting platforms vary according to specific applications and load requirements. They play an important role in improving work efficiency, ensuring safety and facilitating material handling.

[0003] After checking the announcement number: CN110546103B, a lifting platform for lifting vehicles is disclosed, "including two base assembly halves, corresponding lifting equipment is arranged on each base assembly half, the lifting equipment includes a load arm and a guide arm, which can be pivotally transformed from a starting position arranged on the base to a working position by at least one drive, and has a bearing member in the corresponding end area of ​​each lifting equipment, the bearing member is pivotally mounted relative to the load arm via a pivot bolt, and is pivotally mounted relative to the guide arm via a supporting bolt, etc., each bearing member receives at least one support arm pivotally arranged thereon, so that the relative support arm can be pivoted to at least one working area formed between the lifting equipment, wherein the inclination angle between at least one support arm and the lifting equipment can be adjusted, etc. technical effects".

[0004] With respect to the above-mentioned related technologies, the inventor believes that most of the existing lifting platforms are lifted manually, which is too laborious, and most lifting platforms are not equipped with guardrails, which affects the personal safety of workers when they are working.

[0005] In view of the above-mentioned related technologies, the inventor believes that a lifting platform with foldable guardrails is needed to solve the above-mentioned problems. Utility Model Content

[0006] The purpose of the present application is to provide a lifting platform with a folding guardrail to improve the problem that lifting is too laborious and affects the personal safety of workers.

[0007] The present application provides a lifting platform with folding guardrails adopts the following technical solution:

[0008] The lifting platform with a foldable guardrail comprises a lifting platform, wherein the bottom end of the lifting platform is fixedly connected to a lifting device, and the lifting device comprises two bottom plates, the top ends of the two bottom plates are fixedly connected to two outer rods, the inner surfaces of the two outer rods are slidably provided with threaded rods, the outer surfaces of the two threaded rods located above the outer rods are threadedly sleeved with worm wheels, the bottom ends of the two worm wheels are respectively rotatably connected to the top ends of the two outer rods, the outer surfaces of the two worm wheels are meshed with worms, the inner surfaces of the two worms are jointly fixedly connected to a rotating rod, one end of the two outer rods is jointly fixedly connected to a supporting frame, the top end of the supporting frame is fixedly connected to two fixed plates, the opposite ends of the two fixed plates are respectively rotatably connected to the two ends of the rotating rod, one end of the supporting frame is fixedly connected to a motor frame, the top end of the motor frame is fixedly connected to a first motor, the output end of the first motor passes through one of the fixed plates and is fixedly connected to the rotating rod, and the top ends of the two threaded rods are rotatably connected to a lifting block.

[0009] By adopting the above technical solution, when the lifting platform needs to be raised, the first motor is turned on first, the first motor will drive the rotating rod to rotate, the rotating rod will drive the two worms to rotate, the worms will drive the two worm wheels to rotate, the worm wheels will drive the two threaded rods to rotate, the rotation of the threaded rods will drive the lifting block to rise, the lifting block will drive the connecting plate to rise, the connecting plate will drive the vertical rod to rise, and the lifting rod and the vertical rod will drive the lifting platform to rise at the same time. After rising to a certain height, the first motor can be turned off.

[0010] Optionally, a main baffle is fixedly connected to the top of the lifting platform, a baffle groove is provided at one end of the main baffle, a secondary baffle is provided on the inner surface of the baffle groove, a long groove is provided at one end of the secondary baffle, a rack is fixedly connected to the lower inner wall of the long groove, a gear is meshed at the top of the rack, a through rod groove is provided on both side inner walls of the long groove, a short rod is fixedly sleeved on the inner surface of the gear, both ends of the short rod respectively pass through two rod grooves and are rotatably connected to the inner walls on both sides of the baffle groove, one end of the main baffle is fixedly connected to a support plate, a second motor is fixedly connected to the top of the support plate, and an output end of the second motor passes through one end of the main baffle and is fixedly connected to the short rod.

[0011] By adopting the above technical solution, when the baffle needs to be used, the second motor is turned on, the second motor will drive the short rod to rotate, the short rod will drive the gear to rotate, the gear will drive the rack to move, and the rack will drive the auxiliary baffle to move. When the auxiliary baffle, the main baffle and the guardrail are completely closed, the first motor can be turned off. The existence of the auxiliary baffle, the main baffle and the guardrail can effectively protect the personal safety of the staff.

[0012] Optionally, the outer surfaces of the two lifting blocks are fixedly connected to two connecting plates, the top ends of the two base plates are fixedly connected to two support rods, the outer surfaces of the four support rods are movably sleeved with vertical rods, and the outer surfaces of the four vertical rods are respectively fixedly connected to one end of the four connecting plates.

[0013] By adopting the above technical solution, the lifting platform can be supported at multiple angles at the same time, which can make the lifting platform more stable.

[0014] Optionally, one end of the four connecting plates is commonly and fixedly connected to the bottom end of the lifting platform.

[0015] By adopting the above technical solution, the lifting device can be made more stable.

[0016] Optionally, the bottom ends of the four vertical rods are fixedly connected to two limit blocks, and the outer surfaces of the four support rods are provided with two limit grooves for cooperating with the limit blocks.

[0017] By adopting the above technical solution, a limiting effect can be achieved when the device is raised or lowered.

[0018] Optionally, a guardrail is fixedly connected to the top of the lifting platform.

[0019] By adopting the above technical solution, the personal safety of the staff can be effectively guaranteed.

[0020] Optionally, a slideway is provided at the top of the lifting platform, and a slider used in conjunction with the slideway is fixedly connected to the bottom end of the auxiliary baffle.

[0021] By adopting the above technical solution, the auxiliary baffle can move more smoothly.

[0022] Optionally, two ends of the gear are respectively fitted with inner walls on both sides of the long slot.

[0023] By adopting the above technical solution, when the second motor drives the gear to rotate, the gear will not shake.

[0024] In summary, the present application includes at least one of the following beneficial technical effects:

[0025] 1. The present application uses a lifting device, in which the first motor drives the rotating rod to rotate, the rotating rod drives two worms to rotate, the worms drive two worm wheels to rotate, the worm wheels drive two threaded rods to rotate, the threaded rods rotate to drive the lifting block to rise, the lifting block drives the connecting plate to rise, the connecting plate drives the vertical rod to rise, and the lifting rod and the vertical rod drive the lifting platform to rise at the same time, so that the lifting platform can rise more smoothly and save time and effort;

[0026] 2. This application uses a second motor. When the second motor drives the short rod, the short rod will drive the gear to rotate, the gear will drive the rack to move, and the rack will drive the auxiliary baffle to move. When the auxiliary baffle, the main baffle and the guardrail are connected, the first motor can be turned off. The existence of the auxiliary baffle, the main baffle and the guardrail can not only ensure the personal safety of the staff, but also facilitate the operators to go to the lifting platform to work. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the structure of the utility model.

[0028] Figure 2 It is a schematic diagram of the lifting device of the utility model.

[0029] Figure 3 It is a cross-sectional schematic diagram of the main baffle and the auxiliary baffle of the utility model.

[0030] Figure 4 It is an exploded view of the support rod and the vertical rod of the utility model.

[0031] In the figure, 1, lifting platform; 2, slide; 3, lifting device; 4, guardrail; 5, main baffle; 6, support plate; 7, auxiliary baffle; 8, bottom plate; 31, threaded rod; 32, worm gear; 33, outer rod; 34, fixed plate; 35, motor frame; 36, first motor; 37, worm; 38, lifting block; 39, connecting plate; 40, vertical rod; 41, rotating rod; 42, support frame; 51, baffle slot; 52, rod slot; 53, long slot; 54, gear; 55, short rod; 56, rack; 57, second motor; 58, slider; 61, limit block; 62, limit slot; 63, support rod. DETAILED DESCRIPTION

[0032] The following is combined with Figure 1 -Attached Figure 4 , further details of this application are given.

[0033] Example 1

[0034] A lifting platform with folding guardrail, referring to Figure 1 and Figure 2, including a lifting platform 1, the bottom end of the lifting platform 1 is fixedly connected to a lifting device 3, the lifting device 3 includes two bottom plates 8, the top ends of the two bottom plates 8 are fixedly connected to two outer rods 33, the inner surfaces of the two outer rods 33 are slidably provided with threaded rods 31, the outer surfaces of the two threaded rods 31 located above the outer rods 33 are threadedly sleeved with worm wheels 32, the bottom ends of the two worm wheels 32 are respectively rotatably connected to the top ends of the two outer rods 33, the outer surfaces of the two worm wheels 32 are meshedly connected with worms 37, and the inner surfaces of the two worms 37 are connected together. A rotating rod 41 is fixedly connected, one end of the two outer rods 33 is commonly fixedly connected to a support frame 42, the top of the support frame 42 is fixedly connected to two fixed plates 34, the opposite ends of the two fixed plates 34 are rotatably connected to the two ends of the rotating rod 41, one end of the support frame 42 is fixedly connected to a motor frame 35, the top of the motor frame 35 is fixedly connected to a first motor 36, the output end of the first motor 36 passes through one of the fixed plates 34 and is fixedly connected to the rotating rod 41, and the tops of the two threaded rods 31 are rotatably connected to lifting blocks 38.

[0035] Reference Figure 2 The outer surfaces of the two lifting blocks 38 are fixedly connected to two connecting plates 39, the tops of the two bottom plates 8 are fixedly connected to two support rods 63, the outer surfaces of the four support rods 63 are movably sleeved with vertical rods 40, and the outer surfaces of the four vertical rods 40 are fixedly connected to one end of the four connecting plates 39 respectively.

[0036] Reference Figure 2 One end of the four connecting plates 39 is fixedly connected to the bottom end of the lifting platform 1.

[0037] Reference Figure 4 The bottom ends of the four vertical rods 40 are fixedly connected to two limit blocks 61 , and the outer surfaces of the four support rods 63 are each provided with two limit grooves 62 used to cooperate with the limit blocks 61 .

[0038] The implementation principle of the embodiment of the present application is: when the lifting platform 1 needs to be raised, the first motor 36 is turned on, the first motor 36 drives the rotating rod 41 to rotate, the rotating rod 41 will drive the two worms 37 to rotate, the worms 37 will drive the two worm wheels 32 to rotate, the worm wheels 32 will drive the two threaded rods 31 to rotate, the rotation of the threaded rods 31 will drive the lifting block 38 to move upward, the lifting block 38 will drive the connecting plate 39 to move upward, the connecting plate 39 will drive the vertical rod 40 to move upward, and at the same time, the lifting rod and the vertical rod 40 will simultaneously drive the lifting platform 1 to move upward, so that the lifting platform can move upward more smoothly and can achieve the effect of saving time and effort.

[0039] Example 2

[0040] The difference between this embodiment and embodiment 1 is that:

[0041] Reference Figure 3 The top of the lifting platform 1 is fixedly connected with a main baffle plate 5, one end of the main baffle plate 5 is provided with a baffle plate groove 51, the inner surface of the baffle plate groove 51 is provided with a sub-baffle plate 7, one end of the sub-baffle plate 7 is provided with a long groove 53, the lower inner wall of the long groove 53 is fixedly connected with a rack 56, the top of the rack 56 is meshed with a gear 54, both sides of the inner wall of the long groove 53 are provided with a through-type rod groove 52, the inner surface of the gear 54 is fixedly sleeved with a short rod 55, the two ends of the short rod 55 respectively penetrate the two rod grooves 52 and are rotatably connected to the inner walls of the baffle plate groove 51 on both sides, one end of the main baffle plate 5 is fixedly connected with a support plate 6, the top of the support plate 6 A second motor 57 is fixedly connected to the end thereof, and an output end of the second motor 57 passes through one end of the main baffle 5 and is fixedly connected to the short rod 55. When the staff climbs onto the lifting platform 1, the second motor 57 is turned on, and the short rod 55 can be driven to rotate under the action of the second motor 57, and the short rod 55 will drive the gear 54 to rotate, and the gear 54 will drive the rack 56 to move, and the rack 56 will drive the auxiliary baffle 7 to move. When the auxiliary baffle 7, the main baffle 5 and the guardrail 4 completely block the lifting platform 1, the first motor 36 can be turned off. The existence of the auxiliary baffle 7, the main baffle 5 and the guardrail 4 can ensure the personal safety of the staff.

[0042] Reference Figure 1 The top of the lifting platform 1 is fixedly connected with a guardrail 4, which can effectively protect the personal safety of the staff.

[0043] Reference Figure 3 A slideway 2 is provided at the top of the lifting platform 1, and a slider 58 used in conjunction with the slideway 2 is fixedly connected to the bottom end of the auxiliary baffle 7, so that the auxiliary baffle 7 can move more smoothly.

[0044] Reference Figure 3 The two ends of the gear 54 are respectively in contact with the inner walls of the long slot 53 , so that when the gear 54 is driven to rotate by the second motor 57 , the gear 54 will not shake.

[0045] The embodiments of this specific implementation are all preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. The same components are represented by the same figure marks. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A lifting platform with foldable guardrails, comprising a lifting platform (1), characterized in that: The bottom end of the lifting platform (1) is fixedly connected with a lifting device (3); The lifting device (3) comprises two bottom plates (8), the top ends of the two bottom plates (8) are fixedly connected to two outer rods (33), the inner surfaces of the two outer rods (33) are slidably provided with threaded rods (31), the outer surfaces of the two threaded rods (31) located above the outer rods (33) are threadedly sleeved with worm wheels (32), the bottom ends of the two worm wheels (32) are respectively rotatably connected to the top ends of the two outer rods (33), the outer surfaces of the two worm wheels (32) are meshedly connected to worms (37), the inner surfaces of the two worm wheels (37) are commonly fixedly connected to a rotating rod (41), and the two outer One end of the rod (33) is fixedly connected to a support frame (42), the top end of the support frame (42) is fixedly connected to two fixed plates (34), the opposite ends of the two fixed plates (34) are rotatably connected to the two ends of the rotating rod (41), one end of the support frame (42) is fixedly connected to a motor frame (35), the top end of the motor frame (35) is fixedly connected to a first motor (36), the output end of the first motor (36) passes through one of the fixed plates (34) and is fixedly connected to the rotating rod (41), and the top ends of the two threaded rods (31) are rotatably connected to lifting blocks (38).

2. A lifting platform with foldable guardrail according to claim 1, characterized in that: The top of the lifting platform (1) is fixedly connected with a main baffle (5), one end of the main baffle (5) is provided with a baffle groove (51), the inner surface of the baffle groove (51) is provided with a secondary baffle (7), one end of the secondary baffle (7) is provided with a long groove (53), the lower inner wall of the long groove (53) is fixedly connected with a rack (56), the top of the rack (56) is meshed with a gear (54), and the inner walls on both sides of the long groove (53) are provided with through-type rods. A short rod (55) is fixedly sleeved on the inner surface of the gear (54), two ends of the short rod (55) respectively penetrate the two rod grooves (52) and are rotatably connected to the inner walls of the baffle groove (51) on both sides, one end of the main baffle (5) is fixedly connected to a support plate (6), the top end of the support plate (6) is fixedly connected to a second motor (57), and the output end of the second motor (57) penetrates one end of the main baffle (5) and is fixedly connected to the short rod (55).

3. A lifting platform with foldable guardrail according to claim 1, characterized in that: The outer surfaces of the two lifting blocks (38) are fixedly connected to two connecting plates (39), the top ends of the two bottom plates (8) are fixedly connected to two supporting rods (63), the outer surfaces of the four supporting rods (63) are movably sleeved with vertical rods (40), and the outer surfaces of the four vertical rods (40) are respectively fixedly connected to one end of the four connecting plates (39).

4. A lifting platform with foldable guardrail according to claim 3, characterized in that: One end of the four connecting plates (39) is commonly fixedly connected to the bottom end of the lifting platform (1).

5. The lifting platform with foldable guardrail according to claim 3, characterized in that: The bottom ends of the four vertical rods (40) are fixedly connected to two limit blocks (61), and the outer surfaces of the four support rods (63) are provided with two limit grooves (62) used in conjunction with the limit blocks (61).

6. The lifting platform with foldable guardrail according to claim 1, characterized in that: A guardrail (4) is fixedly connected to the top of the lifting platform (1).

7. The lifting platform with foldable guardrail according to claim 2, characterized in that: The top of the lifting platform (1) is provided with a slideway (2), and the bottom end of the auxiliary baffle (7) is fixedly connected with a sliding block (58) used in conjunction with the slideway (2).

8. The lifting platform with foldable guardrail according to claim 2, characterized in that: The two ends of the gear (54) are respectively fitted with the inner walls of both sides of the long slot (53).

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