Safety protection device for lifting platform

Abstract

The utility model discloses a safety protection device for a lifting platform. The safety protection device comprises a lifting platform surface, an L-shaped fixed handrail, a movable handrail, a positioning assembly and an auxiliary assembly, an L-shaped fixed handrail is fixedly arranged at the upper end of the lifting platform surface, a movable handrail is hinged to one end of the L-shaped fixed handrail through a connecting piece, the two movable handrails are hinged through a connecting piece, and the movable handrails are arranged on the lifting platform surface through a positioning assembly and an auxiliary assembly; the foldable movable handrails are additionally arranged at the ends of the L-shaped fixed handrails, after goods are pushed onto the platform, the movable handrails are pulled open and fixed to the edge of the platform through bolts, the installation stability of the movable handrails is enhanced through the auxiliary assemblies, the potential safety hazards that personnel fall off and the goods slide off the platform are avoided, and after using is completed, the movable handrails are folded and taken back. And platform space is not occupied.

Description

Technical Field

[0001] The utility model relates to the technical field of lifting platform devices, in particular to a lifting platform safety protection device. Background Art

[0002] A lifting platform is a type of lifting machinery used to transport people or objects vertically. It also refers to equipment used for vertical transportation in logistics systems such as factories and automated warehouses. The lifting platform is often equipped with various flat conveying equipment as connecting devices for conveyor lines at different heights. It is generally hydraulically driven, hence the name hydraulic lifting platform. In addition to being used for transporting goods at different heights, it is also widely used for high-altitude installation and maintenance operations. The free-lifting feature of the lifting platform has been widely used in municipal maintenance, cargo transportation at docks and logistics centers, and building decoration. It can move freely when installed with a car chassis or an electric vehicle chassis, and the working height space has also changed. It has the advantages of being light in weight, self-propelled, electric starting, self-supporting legs, simple to operate, a large working surface, and the ability to cross obstacles for high-altitude operations, with 360-degree free rotation.

[0003] However, in the existing technology, for safety reasons, the original mechanical lifting platform has guardrails installed on two sides of the four sides of the platform, and the two sides are open for people and goods to go up and down the platform; after the platform is raised, when people move the goods, there is no safety protection on the non-loading side without guardrails, and people are at risk of falling off the platform.

[0004] To this end, the present invention proposes a lifting platform safety protection device for solving the above problems. Utility Model Content

[0005] The purpose of the present invention is to provide a safety protection device for a lifting platform to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: the lifting platform safety protection device includes a lifting platform, an L-shaped fixed railing, a movable railing, a positioning assembly and an auxiliary assembly; an L-shaped fixed railing is fixedly provided on the upper end of the lifting platform, and a movable railing is hingedly provided at one end of the L-shaped fixed railing through a connecting piece, and the two movable railings are hingedly provided through a connecting piece, and the movable railing is arranged on the lifting platform through a positioning assembly and an auxiliary assembly.

[0007] Preferably, the positioning assembly includes a placement hole, a socket, a universal wheel, a slot, a square slot, a positioning hole, a first T-slot and a pin; the placement holes are equidistantly arranged on the upper end plate of the movable railing, the sockets are equidistantly arranged on the lower end plate of the movable railing, and the universal wheels are equidistantly fixed at the bottom end of the movable railing; the slots are symmetrically arranged at both ends of the upper end plate of the movable railing, and square slots are symmetrically arranged on both side walls of the slots; the positioning holes are equidistantly arranged on the lifting platform, and the first T-slot is arranged at the end of the upper side plate of the L-shaped fixed railing.

[0008] Preferably, the auxiliary component includes an I-shaped piece, a protrusion, a second T-slot, a diagonal brace and a T-shaped block; the protrusion is fixedly arranged on the side wall of the end of the upper side railing of the L-shaped fixed railing, and a second T-slot is provided on the protrusion; T-shaped blocks are symmetrically fixed at both ends of the diagonal brace, and pull rings are provided on the diagonal brace and the I-shaped piece.

[0009] Preferably, the placement holes, insertion holes, latches and positioning holes are arranged at corresponding positions and in the same number of groups, the latches are plugged into the placement holes, and the latches are plugged into the insertion holes and the positioning holes.

[0010] Preferably, the I-shaped piece is plugged into the first T-shaped slot, and the I-shaped piece is plugged into the clamping slot and the square slot.

[0011] Preferably, the T-shaped block is plugged into the first T-shaped slot, the T-shaped block is plugged into the second T-shaped slot, and the T-shaped block is plugged into the card slot and the square slot.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] By installing a foldable movable railing at the end of the L-shaped fixed railing, after the goods are pushed onto the platform, the movable railing is pulled open and fixed to the edge of the platform with a pin. The installation stability of the movable railing is enhanced by auxiliary components to avoid safety hazards such as people falling and goods sliding off the platform. After use, the movable railing is folded and retracted without taking up platform space. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the movable railing of the utility model in the pulled-out state;

[0015] Figure 2 This is a schematic diagram of the movable railing of the utility model in a folded state;

[0016] Figure 3 This is a schematic diagram of the end structure connection of the L-shaped fixed railing of the utility model;

[0017] Figure 4 This is a schematic diagram of the connection of the movable railing structure of the utility model;

[0018] Figure 5 This is a schematic diagram of the I-shaped structural connection of the utility model;

[0019] Figure 6 This is a schematic diagram of the structural connection of the diagonal bracing member of the present invention.

[0020] In the figure: lifting platform 1, L-shaped fixed railing 2, movable railing 3, connecting piece 4, placement hole 5, plug hole 6, universal wheel 7, slot 8, square slot 9, positioning hole 10, first T-slot 11, latch 12, I-shaped piece 13, protrusion 14, second T-slot 15, diagonal support piece 16, T-block 17. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention are described clearly and completely below. The embodiments of the present invention and all other embodiments obtained by persons of ordinary skill in the art without creative work are within the scope of protection of the present invention.

[0022] See also Figures 1-6 , the utility model provides the following three preferred embodiments:

[0023] Embodiment 1: A lifting platform safety protection device includes a lifting platform 1, an L-shaped fixed railing 2, a movable railing 3, a positioning assembly and an auxiliary assembly; an L-shaped fixed railing 2 is fixedly provided on the upper end of the lifting platform 1, and a movable railing 3 is hingedly provided at one end of the L-shaped fixed railing 2 through a connecting member 4, and the two movable railings 3 are hingedly provided through a connecting member 4, and the movable railing 3 is arranged on the lifting platform 1 through a positioning assembly and an auxiliary assembly; the positioning assembly includes a placement hole 5, a socket 6, a universal wheel 7, a card slot 8, a square slot 9, a positioning hole 10, a first T-slot 11 and a pin 12; the auxiliary assembly includes an I-shaped part 13, a protrusion 14, a second T-slot 15, a diagonal support part 16 and a T-block 17.

[0024] When in use, a foldable movable railing 3 is installed at the end of the L-shaped fixed railing 2. After the goods are pushed onto the platform, the movable railing 3 is pulled open and fixed to the edge of the platform with a pin 12. The installation stability of the movable railing 3 is enhanced by auxiliary components to avoid safety hazards such as people falling and goods sliding off the platform. After use, the movable railing 3 is folded and retracted without taking up platform space.

[0025] Example 2: On the basis of Example 1, the placement holes 5 in the positioning assembly are equidistantly arranged on the upper end panel of the movable railing 3, the insertion holes 6 are equidistantly arranged on the lower end panel of the movable railing 3, and the universal wheels 7 are equidistantly fixed at the bottom end of the movable railing 3; the slots 8 are symmetrically arranged at both ends of the upper end panel of the movable railing 3, and square slots 9 are symmetrically arranged on both side walls of the slots 8; the positioning holes 10 are equidistantly arranged on the lifting platform 1, and the first T-shaped slot 11 is arranged at the end of the upper side panel of the L-shaped fixed railing 2; the placement holes 5, the insertion holes 6, the pins 12 and the positioning holes 10 are arranged in corresponding positions and have the same number of groups, the pins 12 are plugged into the placement holes 5, and the pins 12 are plugged into the insertion holes 6 and the positioning holes 10.

[0026] During use, when the movable railing 3 is folded, the pin 12 is inserted into the installation hole 5, and then the movable railing 3 is pulled open, and the connecting piece 4 and the universal wheel 7 are used to move the movable railing 3 to the side of the L-shaped fixed railing 2 to facilitate the loading of goods onto the lifting platform 1. After completion, the movable railing 3 is pulled open and moved to the designated position so that the position of the socket 6 corresponds to the position of the positioning hole 10, and the pin 12 is taken out of the installation hole 5 and inserted into the socket 6 and the positioning hole 10 to fix the position of the movable railing 3, so that the railings are installed on the four sides of the lifting platform 1 to play a protective function.

[0027] Example 3: On the basis of Example 2, the protrusion 14 in the auxiliary component is fixedly set on the side wall of the upper side railing end of the L-shaped fixed railing 2, and a second T-shaped groove 15 is opened on the protrusion 14; T-shaped blocks 17 are symmetrically fixedly set at both ends of the diagonal support member 16, and pull rings are provided on the diagonal support member 16 and the I-shaped member 13; the I-shaped member 13 is plugged into the first T-shaped groove 11, and the I-shaped member 13 is plugged into the clamping groove 8 and the square groove 9; the T-shaped block 17 is plugged into the first T-shaped groove 11, the T-shaped block 17 is plugged into the second T-shaped groove 15, and the T-shaped block 17 is plugged into the clamping groove 8 and the square groove 9.

[0028] When in use, when the movable railing 3 is folded, one end of the I-shaped piece 13 is plugged into the first T-slot 11, and the end of the I-shaped piece 13 is plugged into the card slot 8 and the square slot 9. With the help of multiple I-shaped pieces 13, the movable railing 3 is fixed in position when folded to prevent the movable railing 3 from moving at will; when the movable railing 3 is pulled open, with the help of the T-shaped block 17 plugged into the first T-slot 11, the T-shaped block 17 plugged into the second T-slot 15, and the T-shaped block 17 plugged into the card slot 8 and the square slot 9, the diagonal bracing piece 16 is installed at the railing corner formed by the L-shaped fixed railing 2 and the movable railing 3 to improve the installation stability of the railing; a storage box can be fixed on the L-shaped fixed railing 2 for placing the I-shaped piece 13 and the diagonal bracing piece 16.

[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. The safety protection device of the lifting platform is characterized by: The invention comprises a lifting platform (1), an L-shaped fixed railing (2), a movable railing (3), a positioning assembly and an auxiliary assembly; the upper end of the lifting platform (1) is fixedly provided with an L-shaped fixed railing (2); one end of the L-shaped fixed railing (2) is hingedly provided with a movable railing (3) via a connecting piece (4); the two movable railings (3) are hingedly provided via the connecting piece (4); and the movable railing (3) is provided on the lifting platform (1) via the positioning assembly and the auxiliary assembly.

2. The lifting platform safety protection device according to claim 1, characterized in that: The positioning assembly comprises a placement hole (5), a plug hole (6), a universal wheel (7), a clamping slot (8), a square slot (9), a positioning hole (10), a first T-shaped slot (11) and a latch (12); the placement hole (5) is equidistantly arranged on the upper end plate of the movable railing (3), the plug hole (6) is equidistantly arranged on the lower end plate of the movable railing (3), and the universal wheel (7) is equidistantly fixed on the bottom end of the movable railing (3); the clamping slot (8) is symmetrically arranged at both ends of the upper end plate of the movable railing (3), and square slots (9) are symmetrically arranged on both side walls of the clamping slot (8); the positioning hole (10) is equidistantly arranged on the lifting platform (1), and the first T-shaped slot (11) is arranged at the end of the upper side plate of the L-shaped fixed railing (2).

3. The safety protection device for a lifting platform according to claim 1, characterized in that: The auxiliary component comprises an I-shaped piece (13), a protrusion (14), a second T-shaped groove (15), a diagonal bracing piece (16) and a T-shaped block (17); the protrusion (14) is fixedly arranged on the side wall of the upper side railing end of the L-shaped fixed railing (2), and the protrusion (14) is provided with a second T-shaped groove (15); the T-shaped blocks (17) are symmetrically fixedly arranged at both ends of the diagonal bracing piece (16), and the diagonal bracing piece (16) and the I-shaped piece (13) are both provided with pull rings.

4. The lifting platform safety protection device according to claim 2, characterized in that: The placement holes (5), the insertion holes (6), the latch pins (12) and the positioning holes (10) are arranged at corresponding positions and have the same number of groups. The latch pins (12) are plugged into the placement holes (5), and the latch pins (12) are plugged into the insertion holes (6) and the positioning holes (10).

5. The safety protection device for a lifting platform according to claim 3, characterized in that: The I-shaped piece (13) is plugged into the first T-shaped slot (11), and the I-shaped piece (13) is plugged into the clamping slot (8) and the square slot (9).

6. The safety protection device for a lifting platform according to claim 3, characterized in that: The T-shaped block (17) is plugged into the first T-shaped slot (11), the T-shaped block (17) is plugged into the second T-shaped slot (15), and the T-shaped block (17) is plugged into the clamping slot (8) and the square slot (9).

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