Anti-falling mechanism of lifting platform

Abstract

The utility model discloses a lifting platform anti-falling mechanism which comprises a lifting platform frame body and an anti-falling mechanism body, hydraulic lifting assemblies are arranged on the two sides of the interior of the lifting platform frame body, connecting bases are arranged at the front ends of the interiors of the hydraulic lifting assemblies, a lifting platform is arranged above the connecting bases, and the anti-falling mechanism body is arranged on the lifting platform frame body. The device comprises a lifting platform, protective fences are arranged on the periphery of the upper portion of the lifting platform, anti-falling mechanisms are arranged on the two sides of the rear end of the lifting platform, semicircular gears are arranged at one ends of the interiors of the anti-falling mechanisms, anti-falling clamping blocks are arranged at the tops of the semicircular gears, and the bottoms of the semicircular gears are connected with linear racks. The anti-falling mechanisms are arranged on the two sides of the lifting platform, so that the lifting platform has the anti-falling function, the risk that the lifting platform falls suddenly is avoided, when the lifting platform breaks down, falling of the lifting platform can be stopped in time, workers are prevented from being injured, and the safety of the platform is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the related field of lifting platform, concretely to a lifting platform anti -falling mechanism. BACKGROUND

[0002] Lifting platform is a multifunctional hoisting and unloading mechanical equipment, which can be divided into fixed type and mobile type, guide rail type and curved arm type.

[0003] The prior art still has certain disadvantages in use of the lifting platform, after long-term use, due to improper maintenance, the internal lifting assembly fails, which leads to the risk of falling of the lifting platform, and in the falling process, it cannot be stopped in time, and there is a great safety hazard. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of lifting platform anti -falling mechanism to solve the problem that lifting platform is proposed in the background art above, after long-term use, due to improper maintenance, the internal lifting assembly fails, which leads to the risk of falling of the lifting platform, and in the falling process, it cannot be stopped in time, and there is a great safety hazard.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of lifting platform anti -falling mechanism, including lifting platform frame body and anti -falling mechanism, the inside of the two sides of the lifting platform frame body is equipped with hydraulic lifting assembly, the front end of the inside of the hydraulic lifting assembly is equipped with connecting seat, the top of the connecting seat is equipped with lifting platform, the position of the top of the lifting platform is equipped with guard bar, the rear end of the two sides of the lifting platform is equipped with anti -falling mechanism, one end of the inside of the anti -falling mechanism is equipped with semicircular gear, the top of the semicircular gear is equipped with anti -falling block, the bottom of the semicircular gear is connected with straight rack, the straight rack is equipped in the inside of sliding seat, the outside of the anti -falling mechanism is equipped with sealing cover, the rear end of the anti -falling mechanism is equipped with electric telescopic rod, the two sides of the lifting platform frame body are equipped with mounting plate, the surface of the mounting plate is equipped with anti -falling slot, one end of the top of the anti -falling mechanism is equipped with reset slot.

[0006] In further embodiments, the anti -falling mechanism is fixedly connected with the lifting platform by fixing bolt, and the sealing cover is fixedly connected with the anti -falling mechanism by screw.

[0007] In further embodiments, the semicircular gear is rotatably connected with the anti-falling mechanism through a fixed shaft, and the anti-falling block is integrated with the semicircular gear.

[0008] In further embodiments, the rear end of the sliding seat is slidably connected with the anti-falling mechanism through a fixed sliding block and a fixed sliding groove, and the fixed sliding block is fixedly connected with the electric telescopic rod through bolts.

[0009] In further embodiments, the bottom of the sliding seat is slidably connected with the anti-falling mechanism through a positioning sliding groove, and the cross section of the sliding seat is provided in an L-shaped structure.

[0010] In further embodiments, the anti-falling block is connected with the anti-falling block groove through clamping, and the surfaces connected with the anti-falling block groove are provided in inclined surface structures.

[0011] Compared with the prior art, the anti-falling mechanism for the lifting platform has the following beneficial effects:

[0012] 1. The anti-falling mechanism is arranged on both sides of the lifting platform, so that the lifting platform has an anti-falling function, the risk of sudden falling of the lifting platform is prevented, the falling of the lifting platform can be stopped in time when the lifting platform fails, the safety of the platform is ensured, the worker is prevented from being injured, the anti-falling block is connected with the anti-falling block groove through gear transmission, the gear transmission has large power transmission, the firmness of the connection between the anti-falling block and the anti-falling block groove is ensured, the adjustment of the anti-falling block is more stable and reliable, and the anti-falling effect is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 FIG. 1 is a structural schematic view of an anti-falling mechanism for a lifting platform according to the present application;

[0014] Figure 2 FIG. 4 is a structural schematic view of a mounting plate according to the present application;

[0015] Figure 3 FIG. 6 is a schematic view of the internal structure of an anti-falling mechanism according to the present application;

[0016] Figure 4 FIG. 9 is a schematic view of the connection structure of an anti-falling block and an anti-falling block groove according to the present application;

[0017] Figure 5 FIG. 12 is a structural schematic view of a reset notch according to the present application.

[0018] In the figure: 1, lifting platform frame body; 2, hydraulic lifting assembly; 3, guardrail; 4, lifting platform; 5, connecting seat; 6, anti-falling mechanism; 7, sealing cover; 8, fixing bolt; 9, electric telescopic rod; 10, mounting plate; 11, positioning sliding groove; 12, fixed sliding groove; 13, fixed sliding block; 14, sliding seat; 15, straight rack; 16, anti-falling block; 17, semicircular gear; 18, fixed shaft; 19, reset notch; 20, anti-falling slot. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0020] Please refer to Figures 1-5 An embodiment provided by the utility model: a kind of anti-falling mechanism of lifting platform, including lifting platform frame body 1 and anti-falling mechanism 6, the inside both sides of lifting platform frame body 1 are equipped with hydraulic lifting assembly 2, the front end of the inside of hydraulic lifting assembly 2 is equipped with connecting seat 5, the top of connecting seat 5 is equipped with lifting platform 4, the position of the top of lifting platform 4 is equipped with guardrail 3, the rear end of the both sides of lifting platform 4 is equipped with anti-falling mechanism 6, one end of the inside of anti-falling mechanism 6 is equipped with semicircular gear 17, the top of semicircular gear 17 is equipped with anti-falling block 16, the bottom of semicircular gear 17 is connected with straight rack 15, straight rack 15 is equipped in the inside of sliding seat 14, the outside of anti-falling mechanism 6 is equipped with sealing cover 7, the rear end of anti-falling mechanism 6 is equipped with electric telescopic rod 9, the both sides of lifting platform frame body 1 are equipped with mounting plate 10, the surface of mounting plate 10 is equipped with anti-falling slot 20, one end of the top of anti-falling mechanism 6 is equipped with reset notch 19;Hydraulic lifting assembly 2 is used to raise or lower lifting platform 4, lifting platform 4 is used to carry operating personnel, anti-falling mechanism 6 is used to prevent lifting platform 4 from falling down, semicircular gear 17 is connected with straight rack 15, and is used to adjust anti-falling block 16, anti-falling block 16 is used to lock the position of lifting platform 4, to prevent falling, sliding seat 14 is used to move straight rack 15, to rotate and adjust semicircular gear 17, electric telescopic rod 9 is used to provide power for sliding seat 14, and mounting plate 10 is used to install and fix anti-falling slot 20.

[0021] Anti-falling mechanism 6 and lifting platform 4 are fixedly connected by fixing bolt 8, and sealing cover 7 and anti-falling mechanism 6 are fixedly connected by screw, and fixing bolt 8 is used to fix anti-falling mechanism 6 and lifting platform 4.

[0022] The semicircular gear 17 is rotationally connected with the anti-falling mechanism 6 through a fixing shaft 18, and the anti-falling block 16 and the semicircular gear 17 are in an integrated structure, and the semicircular gear 17 can be coordinately rotated through the fixing shaft 18. The anti-falling block 16 is connected with the anti-falling block slot 20 through clamping, and the surfaces connected with the anti-falling block slot 20 are all provided with inclined surfaces, so that the anti-falling block 16 and the anti-falling block slot 20 are conveniently connected and fixed through clamping.

[0023] The rear end of the sliding seat 14 is slidably connected with the anti-falling mechanism 6 through a fixing sliding block 13 and a fixing sliding slot 12, and the fixing sliding block 13 is fixedly connected with the electric telescopic rod 9 through bolts, so that the stability of the sliding of the sliding seat 14 is ensured through the connection of the fixing sliding block 13 and the fixing sliding slot 12; the bottom of the sliding seat 14 is slidably connected with the anti-falling mechanism 6 through a positioning sliding slot 11, and the cross section of the sliding seat 14 is provided with an L-shaped structure, so that the position of the sliding of the sliding seat 14 is positioned through the positioning sliding slot 11.

[0024] Working principle: when in use, the mounting plate 10 is fixed on the two sides of the lifting platform frame body 1 through bolts, the anti-falling mechanism 6 is installed on the rear end of the lifting platform 4 through the fixing bolts 8, so that the anti-falling mechanism 6 is inlaid with the mounting plate 10, when the lifting platform 4 is lifted to a certain height, the fixing sliding block 13 is driven to slide through the electric telescopic rod 9, so that the sliding seat 14 is moved, the anti-falling block 16 is inlaid with the anti-falling block slot 20 through the transmission between the straight-line rack 15 and the semicircular gear 17, and the position of the lifting platform 4 is locked.

[0025] It is apparent for those skilled in the art that the present application is not limited to the details of the above-mentioned exemplary embodiments, and can be realized in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. An anti-falling mechanism of a lifting platform, comprising a lifting platform frame (1) and an anti-falling mechanism (6), characterized in that: The inside of the lifting platform frame body (1) is provided with hydraulic lifting assemblies (2) on both sides, the front end of the hydraulic lifting assemblies (2) is provided with a connecting seat (5), the upper side of the connecting seat (5) is provided with a lifting platform (4), the upper side of the lifting platform (4) is provided with a protective fence (3) at the periphery, the rear end of the lifting platform (4) is provided with an anti-falling mechanism (6) on both sides, one end of the anti-falling mechanism (6) is provided with a semicircular gear (17), the top of the semicircular gear (17) is provided with an anti-falling block (16), the bottom of the semicircular gear (17) is connected with a straight rack (15), the straight rack (15) is arranged in the inside of a sliding seat (14), the outer side of the anti-falling mechanism (6) is provided with a sealing cover (7), the rear end of the anti-falling mechanism (6) is provided with an electric telescopic rod (9), both sides of the lifting platform frame body (1) are provided with a mounting plate (10), the surface of the mounting plate (10) is provided with an anti-falling slot (20), one end of the top of the anti-falling mechanism (6) is provided with a reset notch (19).

2. The anti-falling mechanism of the lifting platform according to claim 1, characterized in that: The anti-falling mechanism (6) and the lifting platform (4) are fixedly connected through the fixing bolt (8), and the sealing cover (7) and the anti-falling mechanism (6) are fixedly connected through the screw.

3. The anti-falling mechanism of the lifting platform according to claim 1, characterized in that: The semicircular gear (17) and the anti-falling mechanism (6) are rotatably connected through the fixing shaft (18), and the anti-falling block (16) and the semicircular gear (17) are arranged in an integral structure.

4. The anti-falling mechanism of the lifting platform according to claim 1, characterized in that: The rear end of the sliding seat (14) and the anti-falling mechanism (6) are slidably connected through the fixed sliding block (13) and the fixed sliding groove (12), and the fixed sliding block (13) and the electric telescopic rod (9) are fixedly connected through the bolt.

5. The anti-falling mechanism of the lifting platform according to claim 1, characterized in that: The bottom of the sliding seat (14) and the anti-falling mechanism (6) are slidably connected through the positioning sliding groove (11), and the cross section of the sliding seat (14) is arranged in an L-shaped structure.

6. The anti-falling mechanism of the lifting platform according to claim 1, characterized in that: The anti-falling block (16) and the anti-falling slot (20) are connected through clamping, and the surfaces connected by the anti-falling block (16) and the anti-falling slot (20) are arranged in an inclined surface structure.

Images