Anti-collision device of scissor forklift

Abstract

The anti-collision device comprises a working table, a protective frame is fixedly arranged above the working table, an air chamber, a sealing sliding groove and a moving groove are formed in the working table, the air chamber is communicated with a safety air bag arranged on a guardrail rod through a ventilation pipe, a rotating piece is arranged in the moving groove, and the sealing sliding groove is communicated with the rotating piece. The rotating piece comprises a swing frame, a gear, a push rod, an anti-collision strip, a buffer spring and a rack; in the collision process, the anti-collision strip slides and compresses the buffer spring, the swing frames are pushed through the push rods so that the rotating piece can swing, the rotating piece swings to pull the other swing frame through the other end, then the other swing frame pulls the other push rod, the anti-collision strip on the other side slides towards the interior of the workbench, the buffer spring is compressed, and therefore the anti-collision effect is achieved. And meanwhile, the rotating piece drives the gear to rotate, the rack is controlled to slide through the gear, and therefore the buffer spring on one side of the rack is compressed, huge energy generated by collision of one side of the workbench can be absorbed, and the anti-collision protection performance is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field related to protection of scissor lift trucks, and in particular relates to an anti-collision device for scissor lift trucks. Background Art

[0002] Scissor lifts play an important role in aerial work, and their work platforms provide working space for operators. However, in actual operations, due to improper operation, environmental factors or other reasons, the work platform may collide with surrounding objects, which may not only damage the work platform and the equipment on it, but also pose a safety threat to the operator.

[0003] In the existing technology, the setting of anti-collision fences and buffer mechanisms can effectively reduce the damage caused by collision to the workbench; electronic monitoring and alarm equipment can also be used to promptly remind operators to avoid further deterioration of dangerous situations;

[0004] However, when the workbench collides, the operator may easily fall and collide with the object due to unstable center of gravity during the collision. Shock absorption through a buffer mechanism alone cannot further protect the operator; therefore, the utility model proposes an anti-collision device for a scissor lift truck. Utility Model Content

[0005] The utility model aims to provide an anti-collision device for a scissor lift truck to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-collision device for a scissor lift truck, comprising a workbench, a protective frame is fixedly provided above the workbench, a guardrail and a protective door are installed on the protective frame, a ladder is provided on one side of the workbench, an air chamber, a sealing slide groove and a moving groove are opened inside the workbench, the air chamber is connected with the safety airbag arranged on the guardrail through a ventilation pipe, a rotating part is provided inside the moving groove, and the rotating part includes a swing frame, a gear, a push rod, an anti-collision strip, a buffer spring and a rack.

[0007] Preferably, one end of the rotating part is rotatably connected to the swing frame, the other end of the swing frame rotates on the surface of the push rod, one end of the push rod is connected to the anti-collision strip, the anti-collision strip slides on the surface of the air chamber, and a buffer spring is provided between the anti-collision strip and the air chamber.

[0008] Preferably, the push rod slides on the surface of the sealing slide groove, and the rotating member rotates on the surface of the moving groove.

[0009] Preferably, the safety airbag is arranged in a hollow groove in a protection block, and the protection block is mounted on the surface of a workbench.

[0010] Preferably, the gear and the rack are meshed with each other, and the rotation of the gear can drive the rack to move linearly; an anti-collision strip and a buffer spring are also provided at one end of the rack.

[0011] Preferably, the anti-collision strip can compress the buffer spring when impacted to discharge the gas into the protection block through the vent pipe, and the airbag is pressed by the gas to rush out from the empty slot and expand for safety protection.

[0012] The beneficial effects of the utility model are:

[0013] The utility model realizes that during the collision, the anti-collision bar slides and compresses the buffer spring, and the push rod pushes the swing frame to cause the rotating part to swing. The swing of the rotating part pulls another set of swing frames through the other end, and then pulls another set of push rods through the other set of swing frames, so that the anti-collision bar on the other side slides toward the inside of the workbench and compresses the buffer spring. At the same time, the rotating part drives the gear to rotate, and the gear controls the rack to slide, thereby compressing the buffer spring on one side of the rack. The huge energy generated by the collision of one side of the workbench can be absorbed, thereby improving the anti-collision protection performance.

[0014] The utility model slides the anti-collision strip to compress the buffer spring so that the gas in the air chamber is quickly discharged into the protection block through the ventilation pipe under the action of pressure, so that the airbag pops out instantly; the airbag provides crucial buffer protection for the operator with its soft and elastic characteristics. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The figure is a schematic diagram of the structure of an anti-collision device of a scissor lift truck;

[0016] Figure 2 This is a schematic diagram of the internal structure of the workbench;

[0017] Figure 3 It is a schematic diagram of the motion state of the rotating part;

[0018] Figure 4 for Figure 2 A partial enlarged schematic diagram of point a in the middle;

[0019] In the figure: 1. workbench; 11. air chamber; 12. sealing slide; 13. moving groove; 14. ventilation pipe; 2. protective frame; 3. guardrail; 4. protective door; 5. ladder; 6. rotating part; 61. swing frame; 62. gear; 63. push rod; 64. anti-collision strip; 65. buffer spring; 66. rack; 7. protective block; 71. empty slot; 72. airbag. DETAILED DESCRIPTION

[0020] When the existing scissor lift truck anti-collision device collides with the workbench, the operator is likely to fall and collide with the object due to the unstable center of gravity during the collision. The shock absorption by the buffer mechanism alone cannot further protect the operator.

[0021] Therefore, if Figure 1 As shown, the utility model proposes an anti-collision device for a scissor lift truck, comprising a workbench 1, a protective frame 2 is fixedly provided above the workbench 1, a guardrail 3 and a protective door 4 are installed on the protective frame 2, and a ladder 5 is provided on one side of the workbench 1; the device can provide comprehensive protection for the operator and effectively prevent the operator from accidentally falling from the workbench.

[0022] like Figure 2 As shown, an air chamber 11, a sealing slide groove 12 and a moving groove 13 are provided inside the workbench 1. The air chamber 11 is connected to the airbag 72 arranged on the guardrail 3 through a ventilation pipe 14. When a collision occurs, the air chamber 11 can respond quickly and transport the gas to the airbag 72, thereby shortening the time for the protection to start.

[0023] A rotating member 6 is provided inside the motion groove 13; Figure 3 As shown, the rotating member 6 includes a swing frame 61, a gear 62, a push rod 63, an anti-collision strip 64, a buffer spring 65 and a rack 66.

[0024] Further, such as Figure 3 As shown, one end of the rotating member 6 is rotatably connected to the swing frame 61, and the other end of the swing frame 61 rotates on the surface of the push rod 63. One end of the push rod 63 is connected to the anti-collision strip 64, and the anti-collision strip 64 slides on the surface of the air chamber 11. A buffer spring 65 is provided between the anti-collision strip 64 and the air chamber 11; this structural design can effectively absorb collision energy, reduce the impact of the collision on the workbench and the operator, and reduce the risk of injury.

[0025] Furthermore, the push rod 63 slides on the surface of the sealing slide groove 12, and the rotating member 6 rotates on the surface of the moving groove 13, thereby ensuring the stability and reliability of the device during operation and reducing the possibility of failure.

[0026] Further, such as Figure 4 As shown, the airbag 72 is arranged in the empty groove 71 in the protective block 7, and the protective block 7 is installed on the surface of the workbench 1; when a collision occurs, the airbag 72 pops out quickly to provide additional cushioning and protection for the operator, effectively avoiding direct collision between the body and hard objects.

[0027] Furthermore, the gear 62 and the rack 66 mesh with each other, and the rotation of the gear 62 can drive the rack 66 to move in a straight line; one end of the rack 66 is also provided with an anti-collision strip 64 and a buffer spring 65; this design enables the anti-collision device to more flexibly respond to collisions from different directions, thereby improving the comprehensiveness of protection.

[0028] Furthermore, when the anti-collision strip 64 is hit, it can compress the buffer spring 65 to discharge the gas into the protective block 7 through the vent pipe 14. The airbag 72 is pressed by the gas and rushes out from the empty groove 71 and expands for safety protection. This mechanism can quickly activate protective measures at the moment of collision to maximize the life safety of the operator.

[0029] Working principle and use process of the utility model: when a collision occurs, the anti-collision strip 64 slides and compresses the buffer spring 65, and drives the rack 66 to move through the swing frame 61 and the push rod 63; this simple mechanical transmission action is not only efficient and rapid, but also enables the entire anti-collision reaction mechanism to be activated instantly;

[0030] At the same time, the gas in the air chamber 11 is quickly discharged into the protective block 7 through the vent pipe 14 under the action of pressure, causing the airbag 72 to pop out instantly; the airbag 72, with its soft and elastic properties, provides crucial buffer protection for the operator.

[0031] This design can not only effectively absorb the huge energy generated by the collision and significantly reduce the impact on the workbench 1 and personnel, but also cleverly respond to collision impacts from different directions with its flexible structure; whether it is a collision from the front, side or other angles, the device can respond quickly and demonstrate excellent anti-collision protection performance.

[0032] Moreover, the entire protective measure is activated extremely quickly and can take effect the moment a collision occurs, thus ensuring the life safety of the operator to the greatest extent and minimizing possible damage.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An anti-collision device for a scissor lift truck, comprising a workbench (1), a protective frame (2) fixedly provided above the workbench (1), a guardrail (3) and a protective door (4) installed on the protective frame (2), and a ladder (5) provided on one side of the workbench (1), characterized in that: The workbench (1) is provided with an air chamber (11), a sealing slide groove (12) and a moving groove (13) inside. The air chamber (11) is connected to a safety airbag (72) arranged on the guardrail (3) through a vent pipe (14). A rotating member (6) is provided inside the moving groove (13). The rotating member (6) includes a swing frame (61), a gear (62), a push rod (63), an anti-collision strip (64), a buffer spring (65) and a rack (66).

2. The anti-collision device of a scissor lift truck according to claim 1, characterized in that: One end of the rotating member (6) is rotatably connected to the swing frame (61), the other end of the swing frame (61) rotates on the surface of the push rod (63), one end of the push rod (63) is connected to the anti-collision strip (64), the anti-collision strip (64) slides on the surface of the air chamber (11), and a buffer spring (65) is provided between the anti-collision strip (64) and the air chamber (11).

3. The anti-collision device of a scissor lift truck according to claim 1, characterized in that: The push rod (63) slides on the surface of the sealing slide groove (12), and the rotating member (6) rotates on the surface of the moving groove (13).

4. The anti-collision device for a scissor lift truck according to claim 1, characterized in that: The safety airbag (72) is arranged in a hollow groove (71) in the protection block (7), and the protection block (7) is mounted on the surface of the workbench (1).

5. The anti-collision device for a scissor lift truck according to claim 1, characterized in that: The gear (62) and the rack (66) mesh with each other, and the rotation of the gear (62) can drive the rack (66) to move linearly; one end of the rack (66) is also provided with an anti-collision strip (64) and a buffer spring (65).

6. The anti-collision device for a scissor lift truck according to claim 1, characterized in that: When the anti-collision strip (64) is impacted, it can compress the buffer spring (65) to discharge gas into the protection block (7) through the vent pipe (14); the safety airbag (72) is pressed by the gas to rush out from the empty slot (71) and expand, thereby providing safety protection.

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