Scissor fork type elevator with dustproof device

Abstract

The utility model relates to the technical field of scissor-type lifters, in particular to a scissor-type lifter with a dustproof device, which comprises a lifting mechanism. A cavity for containing the lifting mechanism is formed in the protection mechanism, when the lifting mechanism ascends, the protection mechanism ascends synchronously, and when the lifting mechanism descends, the protection mechanism descends synchronously; and the number of the driving mechanisms is four, the four driving mechanisms are arranged on the left side and the right side of the front side and the rear side of the lifting mechanism correspondingly, and the driving mechanisms are in transmission connection with the protection mechanism. The protective sleeve can serve as a protective fence when the scissor-fork type elevator ascends to the highest position, in the practical process, after the scissor-fork type elevator is in a contraction state and moved to the bearing platform, the protective sleeve is switched to be in a protective fence mode along with ascending of the scissor-fork type elevator, and therefore the safety of equipment can be guaranteed. And the functionality of the equipment is improved.

Description

Technical Field

[0001] This utility model relates to the field of scissor lift technology, specifically to a scissor lift with a dustproof device. Background Technology

[0002] Scissor lifts are versatile aerial work platforms. Their scissor mechanism provides high stability during lifting, while their large working platform and high load capacity allow for a wider working range and suitability for multiple workers simultaneously. This results in higher work efficiency and enhanced safety.

[0003] Some engineering equipment has low utilization rates, and scissor lifts are often left idle. When idle equipment is exposed for a long time, dust will accumulate, mainly concentrated in the hydraulic cylinders and lifting frame. External moisture may even affect the metal parts, resulting in a reduction in the service life of the scissor lift. Utility Model Content

[0004] To solve the above-mentioned technical problems, this utility model proposes a scissor lift with a dustproof device.

[0005] The technical solution of this utility model is implemented as follows:

[0006] A scissor lift with a dustproof device includes:

[0007] Lifting mechanism;

[0008] A protective mechanism is provided with a cavity for accommodating a lifting mechanism, and the protective mechanism rises synchronously when the lifting mechanism rises and falls synchronously when the lifting mechanism falls.

[0009] Driving mechanism, four, and four drive mechanism is respectively arranged in the left and right sides of the lifting mechanism front and back two sides, the drive mechanism and the protection mechanism transmission connection, the lifting mechanism includes the assembly base, the bearing platform is arranged on the assembly base and is driven by the telescopic cylinder to rise, the lifting frame is arranged between the assembly base and the bearing platform, the bearing platform includes a load plate, and an insert plate is arranged at the bottom edge of the load plate, the drive mechanism includes a primary gear arranged at the top end of the lifting frame, a large gear coaxially arranged with the primary gear, a guide assembly arranged on the bearing platform, the guide assembly is engaged with the primary gear, the guide assembly includes a plurality of gear racks and slide rails, the plurality of gear racks are engaged with the primary gear, the slide rail is provided with a sliding block, the sliding block is provided with a pull rope, one end of the pull rope is fixed with the lifting frame, the pull rope is idle on the slide rail by the guide wheel, the sliding block is fixedly connected with the plurality of gear racks, the protection mechanism includes a protective sleeve, the inner wall of the protective sleeve is fixedly connected with a protective frame, the protective frame is provided with a slot above the insert plate, the protective sleeve is provided with a limiting groove at the large gear, and the limiting groove is provided with a lifting rack engaged with the large gear, the primary gear is located between the lifting frame and the large gear, the plurality of gear racks include a sliding bar fixed on the bearing platform, the sliding bar is provided with a magnetic strip, the magnetic strip is sleeved with a metal sleeve, the metal sleeve is provided with a second rack, the metal sleeve is provided with a first rack, and the first rack is in contact with the second rack on the opposite side.

[0010] The utility model has the advantages of:

[0011] 1、The protective frame on the protection mechanism is used when the protective sleeve is lowered to the lowest position, and the protective frame moves to the position of the assembly base when the inner wall of the protective sleeve is lowered, which can reduce the gap between the assembly base and the protective frame, so that the protective sleeve can be more stable when protecting the scissor lift; The position of the slot is set below the insert plate, and when the protective sleeve is raised to the highest position, the slot can cooperate with the insert plate to improve the stability of the protective sleeve at the highest position.

[0012] 2、The protective sleeve can act as a protective fence when the scissor lift is raised to the highest position, and the operator can move to the bearing platform when the scissor lift is in the contracted state, and the protective sleeve can be switched to the protective fence mode when the scissor lift is raised, so as to ensure the safety of the equipment and improve the functionality of the equipment.

[0013] 3. The driving mechanism is provided, when the lifting frame is stretched, the angle between the top end of the lifting frame and the bearing platform increases, and then the top end of the lifting frame can make the primary gear rotate through the guide assembly, and the large gear coaxially arranged coaxially rotates, the large gear and the primary gear rotate synchronously, and then the large gear can drive the lifting rack to move upward, and then the protective sleeve can stably rise. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a recycling state schematic diagram of the scissor lift with the dustproof device of the utility model;

[0015] Figure 2 is a front partial cross-sectional view of the scissor lift with the dustproof device of the utility model;

[0016] Figure 3 is a front cross-sectional view of the scissor lift with the dustproof device of the utility model;

[0017] Figure 4 is a schematic diagram of the bearing platform of the scissor lift with the dustproof device of the utility model;

[0018] Figure 5 is a schematic diagram of the multi-stage rack of the scissor lift with the dustproof device of the utility model. DETAILED DESCRIPTION

[0019] The technical scheme in the embodiments of the utility model will be described clearly and completely below, obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0020] Referring to Figures 1 to 5 , a scissor lift with a dustproof device, characterized in that, comprising:

[0021] The lifting mechanism 1 comprises an assembly base 11, a bearing platform 13 arranged on the assembly base 11 and driven to rise by the telescopic cylinder 3, and a lifting frame 12 arranged between the assembly base 11 and the bearing platform 13. During the lifting process, the right end of the telescopic cylinder 3 moves in the cylinder body, which can lift or lower the bearing platform 13 upward, thereby achieving the purpose of lifting.

[0022] The protection mechanism 2 is provided with a cavity accommodating the lifting mechanism 1, and when the lifting mechanism 1 rises, the protection mechanism 2 rises synchronously, and when the lifting mechanism 1 descends, the protection mechanism 2 descends synchronously,

[0023] The protection mechanism 2 is used to prevent the parts of the scissor lift from contacting the outside when the scissor lift is idle and in the retracted state, thereby preventing dust from entering and preventing the metal parts from rusting.

[0024] In the above implementation, the protection mechanism 2 comprises a protective sleeve 21, the inner wall of the protective sleeve 21 is fixedly connected with a protective frame 22, the protective frame 22 is provided with a slot 23 above and below the plug plate 132, the protective sleeve 21 is provided with a limiting groove at the position of the large gear 5, and the limiting groove is provided with a lifting rack 14 engaged with the large gear 5, and the bearing platform 13 comprises a bearing plate 131 and a plug plate 132 arranged at the bottom edge of the bearing plate 131.

[0025] The protective frame 22 of the protection mechanism 2 is used to move to the position of the assembly base 11 when the protective sleeve 21 is lowered to the lowest position, so as to reduce the gap between the assembly base 11 and the protective frame 22, thereby ensuring that the protective sleeve 21 is more stable when protecting the scissor lift; the slot 23 is arranged below the plug plate 132, and the slot 23 can cooperate with the plug plate 132 when the protective sleeve 21 is raised to the highest position, thereby improving the stability of the protective sleeve 21 at the highest position.

[0026] It should be noted that the protective sleeve 21 can act as a protective fence when the scissor lift is raised to the highest position, and the protective sleeve 21 can be switched to the protective fence mode when the scissor lift is raised, thereby ensuring the safety of the equipment and improving the functionality of the equipment.

[0027] In one embodiment, the drive mechanism has four drive mechanisms, and the four drive mechanisms are arranged on the left and right sides of the lifting mechanism 1, and the drive mechanism is in transmission connection with the protection mechanism 2. The drive mechanism comprises a primary gear 4 arranged at the top end of the lifting frame 12, a large gear 5 coaxially arranged with the primary gear 4, a guide assembly arranged on the bearing platform 13, and the guide assembly is engaged with the primary gear 4.

[0028] When the lifting frame is stretched, the angle between the top end of the lifting frame and the bearing platform 13 increases, and the top end of the lifting frame can drive the primary gear 4 to rotate through the guide assembly, and the coaxially arranged large gear 5 rotates coaxially, and the large gear 5 rotates synchronously with the primary gear 4, and the large gear 5 can drive the lifting rack 14 to move upward, and the protective sleeve 21 can stably rise.

[0029] In one embodiment, the guide assembly comprises a multi-stage rack 6 engaged with the primary gear 4 and a sliding rail 7 in which a sliding block 8 is arranged, the sliding block 8 is provided with a pull rope 10, one end of the pull rope 10 is fixed with a lifting frame 12, the pull rope 10 is idle on the sliding rail 7 by a guide wheel 9, and the sliding block 8 is fixedly connected with the multi-stage rack 6.

[0030] When the angle between the top end of the lifting frame and the bearing platform 13 increases, the pull rope 10 is pulled, the sliding block 8 slides in the sliding rail 7, and the sliding block 8 can drive the multi-stage rack 6 to move, so that the multi-stage rack 6 can make the primary gear 4 rotate, and the protection mechanism 2 can be lifted and lowered.

[0031] The multi-stage rack 6 is described as follows: in order to increase the stroke of the protection mechanism 2, that is, the minimum stroke of the pull rope 10 makes the protection mechanism 2 completely rise, the multi-stage rack 6 is arranged as follows: the multi-stage rack 6 comprises a sliding bar 61 fixed on the bearing platform 13, the sliding bar 61 is provided with a magnetic strip 62, the magnetic strip 62 is sleeved with a metal sleeve 64, the metal sleeve 64 is provided with a second rack 63 penetratingly arranged thereon, and the metal sleeve 64 is slidingly provided with a first rack 65, the first rack 65 is in contact with the second rack 63 on the opposite side.

[0032] In the specific use process, the angle between the top end of the lifting frame and the bearing platform 13 increases, so that the pull rope 10 pulls the multi-stage rack 6 to move, at this time, the first rack 65 is engaged with the primary gear 4, so that the primary gear 4 rotates, when the first rack 65 passes the primary gear 4, the second rack 63 is engaged with the primary gear 4, and the second rack 63 moves on the sliding bar 61, thereby realizing a larger moving range.

[0033] It should be noted that the magnetic strip 62 is arranged, and the metal sleeve 64 moves on the magnetic strip 62 and receives magnetic attraction, so that the first rack 65 can first move, and when the first rack 65 moves, the second rack 63 moves again, realizing continuity, thereby ensuring the stability of the lifting process.

[0034] It should be understood that the primary gear 4 is located between the lifting frame 12 and the large gear 5.

[0035] The above only describes the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A scissor lift having a dust prevention device, characterized by, Include: Lifting mechanism (1); Guard mechanism (2), the cavity with containing lifting mechanism (1) is arranged in the guard mechanism (2), and when the lifting mechanism (1) rises, the guard mechanism (2) rises synchronously, when the lifting mechanism (1) descends, the guard mechanism (2) descends synchronously; Driving mechanism, the driving mechanism has four, and four driving mechanisms are respectively arranged on the left and right sides of the front and rear sides of the lifting mechanism (1), the driving mechanism is in transmission connection with the guard mechanism (2), the lifting mechanism (1) includes the assembly base (11), the bearing platform (13) is arranged on the assembly base (11) and is driven to rise by the telescopic cylinder (3), the lifting frame (12) is arranged between the assembly base (11) and the bearing platform (13), the bearing platform (13) includes the load plate (131) and the plug-in board (132) arranged on the bottom edge of the load plate (131), the driving mechanism includes the primary gear (4) arranged at the top end of the lifting frame (12), the large gear (5) arranged coaxially with the primary gear (4), the guide assembly arranged on the bearing platform (13), the guide assembly is engaged with the primary gear (4), the guide assembly includes the multi-stage rack (6) and the slide rail (7), the multi-stage rack (6) is engaged with the primary gear (4), the slide rail (7) is provided with the sliding block (8) in the slide rail (7), the sliding block (8) is provided with the pull rope (10) on the sliding block (8), one end of the pull rope (10) is fixed with the lifting frame (12), the pull rope (10) is idled on the slide rail (7) by the guide wheel (9), the sliding block (8) is fixedly connected with the multi-stage rack (6), the guard mechanism (2) includes the protective sleeve (21), the protective sleeve (21) is fixedly connected with the protective frame (22) on the inner wall lower side, the protective frame (22) is provided with the mouth groove (23) on the protective frame (22) and below the plug-in board (132), the protective sleeve (21) is provided with the lifting rack (14) engaged with the large gear (5) at the large gear (5), the primary gear (4) is located between the lifting frame (12) and the large gear (5), the multi-stage rack (6) includes the slide bar (61) fixed on the bearing platform (13), the magnetic strip (62) is arranged on the slide bar (61), the metal sleeve (64) is sleeved with the magnetic strip (62), the second rack (63) is arranged on the metal sleeve (64), the first rack (65) is arranged on the metal sleeve (64), and the first rack (65) is in contact with the second rack (63) on the opposite side.

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