Aluminum alloy type elevator

Abstract

The utility model relates to the technical field of elevators, in particular to an aluminum alloy type elevator, which improves the anti-falling reliability and the use safety. Comprising a base and a supporting arm installed at the top end of the base. The device further comprises a positioning device, a sleeve piece, a bearing frame, a traction device and a braking device, the sleeve piece is installed on the outer side wall of the supporting arm in an up-down sliding mode, the bearing frame is installed on the outer side wall of the sleeve piece, the traction device is installed on the base and used for driving the sleeve piece to move in a lifting mode, and the braking device is installed on the traction device. The braking device is used for braking rotation of the traction device, and a positioning device is arranged on the outer side wall of the sleeve piece and used for positioning sliding of the sleeve piece.

Description

Technical Field

[0001] The utility model relates to the technical field of elevators, in particular to an aluminum alloy elevator. Background Art

[0002] Lift, lifting work platform is a multifunctional lifting mechanical equipment, which can be divided into fixed and mobile, rail type, crank arm type, scissor type, chain type, loading and unloading platform, etc. Lifts are usually used for rescue and decoration.

[0003] As in the patent with prior art authorization announcement number CN212687510U, the utility model discloses a dual-drive elevator in the elevator field, including a bottom box and a cable, both sides of the top of the bottom box are fixedly connected with support columns, and the top of the support column is movably connected with a pulley through a rotating shaft. The utility model is arranged through a bottom box, a cable, a support column, a pulley, a lifting plate, a lifting ring, a motor, a transmission shaft, a take-up wheel, an electric telescopic rod and a support plate.

[0004] However, during the use of this elevator, it was found that the support plate of this elevator had a poor anti-fall effect, which reduced the safety of personnel using it and reduced the reliability of its use. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides an aluminum alloy lift which improves the reliability of anti-falling and the safety of use.

[0006] The utility model discloses an aluminum alloy lifter, comprising a base and a support arm, wherein the support arm is mounted on the top of the base; further comprising a positioning device, a kit, a bearing frame, a traction device and a braking device, wherein the kit is slidably mounted on the outer side wall of the support arm, the bearing frame is mounted on the outer side wall of the kit, the traction device is mounted on the base, the traction device is used to drive the kit to move up and down, the braking device is mounted on the traction device, the braking device is used to brake the rotation of the traction device, a positioning device is arranged on the outer side wall of the kit, and the positioning device is used to position the sliding of the kit; the kit is driven to move up and down by the traction device, so that the kit drives the bearing frame to move up and down, the rotation of the traction device is braked by the braking device, so that the traction device fixes the movement of the kit, thereby improving the anti-falling effect of the kit, and when the kit falls, the kit is fixed to the support arm by the positioning device, thereby stopping the bearing frame from falling, thereby improving the anti-falling reliability of the lifter and improving the safety of use.

[0007] Preferably, the traction device includes a bracket, a winding wheel, a traction rope, a support wheel, a worm gear, a worm gear and a motor, the bracket is installed at the top of the base, the winding wheel is rotatably installed on the bracket, the bottom of the traction rope is connected to the outer wall of the winding wheel, the top of the traction rope is connected to the outer wall of the kit, the support wheel is installed on the top of the outer wall of the support arm, and the support wheel supports the traction rope, the worm gear is concentrically installed at the end of the winding wheel, the worm gear is rotatably installed on the inner wall of the bracket, and the worm gear is meshed with the worm gear, the motor is installed on the outer wall of the bracket, and the output end of the motor is connected to the worm gear; the worm gear is driven to rotate by the motor, and after the worm gear rotates, the winding wheel is driven to rotate through the meshing with the worm gear, and after the winding wheel rotates, the traction rope is reeled in or unreeled, so that the traction rope drives the kit to move up and down, thereby improving the convenience of using the carrying frame, and due to the meshing between the worm gear and the worm gear, when the motor stops running, the rotation locking effect of the winding wheel is improved, and at the same time, the unwinding of the winding wheel is braked in cooperation with the braking device, thereby improving the anti-falling effect of the kit and the anti-falling reliability of the elevator.

[0008] Preferably, the braking device comprises a ratchet, a fixed seat, a limit piece, a torsion spring and a first electric cylinder, the ratchet is concentrically mounted on the other end of the winding wheel, the fixed seat is mounted on the top of the base, the middle of the limit piece is rotatably mounted on the fixed seat through a support shaft, the torsion spring is sleeved on the support shaft, and one end of the torsion spring is connected to the support shaft, and the other end of the torsion spring is connected to the outer wall of the fixed seat, the first electric cylinder is mounted on the top of the base, and the first electric cylinder is arranged on the side of the limit piece; after the winding wheel rotates, it drives the ratchet to rotate, and the torsion spring provides rotational power to the limit piece, so that the upper part of the limit piece contacts the outer wall of the ratchet, so that the ratchet brakes the unwinding rotation of the winding wheel, thereby improving the anti-falling effect of the kit, and when the winding wheel needs to be unwound and rotated, the first electric cylinder pushes the lower part of the limit piece to swing and rotate, so that the upper part of the limit piece is separated from the ratchet, thereby improving the convenience of moving the kit downward after the unwinding rotation of the winding wheel.

[0009] Preferably, the positioning device includes a base and a second electric cylinder, the base is mounted on the outer wall of the kit, the second electric cylinder is mounted on the outer wall of the base, and the moving end of the second electric cylinder slides through the interior of the base, and the outer wall of the support arm is provided with multiple groups of grooves; when the kit falls, the moving end of the second electric cylinder passes through the base and extends into the groove of the support arm, so that the second electric cylinder fixes the kit, thereby improving the anti-fall reliability of the supporting frame.

[0010] Preferably, it also includes an airbag and a support plate, the airbag is installed on the top of the base, the support plate is installed on the top of the airbag, and the support plate is arranged below the supporting frame; when the supporting frame falls, the airbag provides cushioning for the support plate, so that the support plate cushions the supporting frame, thereby improving the safety of the elevator.

[0011] Preferably, it also includes a pull rope, the bottom end of the pull rope is connected to the outer wall of the base, and the top end of the pull rope is connected to the top of the outer wall of the support arm; by providing the pull rope, the stability of the support arm in use is improved.

[0012] Preferably, the guardrail of the bearing frame is made of aluminum alloy to reduce the weight of the bearing frame and improve the operating stability of the elevator.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: the traction device drives the kit to move up and down, so that the kit drives the supporting frame to move up and down, and the rotation of the traction device is braked by the braking device, so that the traction device fixes the movement of the kit, thereby improving the anti-falling effect of the kit, and when the kit falls, the positioning device fixes the kit on the support arm, so that the supporting frame stops falling, thereby improving the anti-falling reliability of the elevator and improving the safety of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the axonometric structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the axonometric structure of the connection between the base and the support arm;

[0016] Figure 3 It is a schematic diagram of the axonometric partial structure of the connection between the winding wheel and the worm gear;

[0017] Figure 4 It is a schematic diagram of the axonometric local structure of the connection between the winding wheel and the ratchet wheel;

[0018] Figure 5 It is an axonometric partial structural diagram of the connection between the kit and the carrier frame, etc.

[0019] Markings in the accompanying drawings: 1. base; 2. support arm; 3. kit; 4. load-bearing frame; 5. traction device; 6. braking device; 7. bracket; 8. reel; 9. traction rope; 10. support wheel; 11. worm gear; 12. worm; 13. motor; 14. ratchet; 15. fixed seat; 16. limit member; 17. torsion spring; 18. first electric cylinder; 19. base; 20. second electric cylinder; 21. airbag; 22. support plate; 23. pull rope. DETAILED DESCRIPTION

[0020] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0021] Example 1

[0022] like Figures 1 to 5 As shown, an aluminum alloy lifter of the utility model comprises a base 1 and a support arm 2, wherein the support arm 2 is mounted on the top of the base 1; further comprising a positioning device, a kit 3, a bearing frame 4, a traction device 5 and a braking device 6, wherein the kit 3 is slidably mounted on the outer side wall of the support arm 2, the bearing frame 4 is mounted on the outer side wall of the kit 3, the traction device 5 is mounted on the base 1, the traction device 5 is used to drive the kit 3 to move up and down, the braking device 6 is mounted on the traction device 5, the braking device 6 is used to brake the rotation of the traction device 5, and a positioning device is provided on the outer side wall of the kit 3, the positioning device is used to position the sliding of the kit 3;

[0023] like Figure 2 and Figure 3 As shown, the traction device 5 includes a bracket 7, a winding wheel 8, a traction rope 9, a support wheel 10, a worm wheel 11, a worm 12 and a motor 13. The bracket 7 is mounted on the top of the base 1, the winding wheel 8 is rotatably mounted on the bracket 7, the bottom end of the traction rope 9 is connected to the outer wall of the winding wheel 8, the top end of the traction rope 9 is connected to the outer wall of the kit 3, the support wheel 10 is mounted on the top of the outer wall of the support arm 2, and the support wheel 10 supports the traction rope 9, the worm wheel 11 is concentrically mounted on the end of the winding wheel 8, the worm 12 is rotatably mounted on the inner wall of the bracket 7, and the worm 12 is meshed with the worm wheel 11, the motor 13 is mounted on the outer wall of the bracket 7, and the output end of the motor 13 is connected to the worm 12;

[0024] In this embodiment, the traction device 5 is used to drive the kit 3 to move up and down, so that the kit 3 drives the supporting frame 4 to move up and down, and the rotation of the traction device 5 is braked by the braking device 6, so that the traction device 5 fixes the movement of the kit 3, thereby improving the anti-falling effect of the kit 3, and when the kit 3 falls, the positioning device is used to fix the kit 3 on the support arm 2, so that the supporting frame 4 stops falling, thereby improving the anti-falling reliability of the elevator and improving the safety of use.

[0025] Example 2

[0026] On the basis of Example 1, Figure 4 As shown, an aluminum alloy lifter of the utility model, the braking device 6 includes a ratchet 14, a fixing seat 15, a stopper 16, a torsion spring 17 and a first electric cylinder 18, the ratchet 14 is concentrically mounted on the other end of the winding wheel 8, the fixing seat 15 is mounted on the top of the base 1, the middle part of the stopper 16 is rotatably mounted on the fixing seat 15 through a support shaft, the torsion spring 17 is sleeved on the support shaft, and one end of the torsion spring 17 is connected to the support shaft, and the other end of the torsion spring 17 is connected to the outer side wall of the fixing seat 15, the first electric cylinder 18 is mounted on the top of the base 1, and the first electric cylinder 18 is arranged on the side of the stopper 16;

[0027] like Figure 5As shown, the positioning device includes a base 19 and a second electric cylinder 20, the base 19 is mounted on the outer wall of the kit 3, the second electric cylinder 20 is mounted on the outer wall of the base 19, and the moving end of the second electric cylinder 20 slides through the inside of the base 19, and the outer wall of the support arm 2 is provided with multiple groups of grooves;

[0028] like Figure 1 As shown, it also includes an airbag 21 and a support plate 22, the airbag 21 is installed on the top of the base 1, the support plate 22 is installed on the top of the airbag 21, and the support plate 22 is arranged below the bearing frame 4;

[0029] like Figure 1 As shown, it also includes a pull rope 23, the bottom end of the pull rope 23 is connected to the outer wall of the base 1, and the top end of the pull rope 23 is connected to the top of the outer wall of the support arm 2;

[0030] like Figure 1 As shown, the guardrail of the carrying frame 4 is made of aluminum alloy;

[0031] In this embodiment, the motor 13 drives the worm 12 to rotate. After the worm 12 rotates, it drives the winding wheel 8 to rotate through the meshing with the worm wheel 11. After the winding wheel 8 rotates, the traction rope 9 is wound or unwound, so that the traction rope 9 drives the kit 3 to move up and down, thereby improving the convenience of using the carrying frame 4. Due to the meshing between the worm wheel 11 and the worm 12, when the motor 13 stops running, the rotation locking effect of the winding wheel 8 is improved, and the unwinding of the winding wheel 8 is braked in cooperation with the braking device 6, thereby improving the anti-falling effect of the kit 3 and improving the lifting To improve the anti-fall reliability of the elevator, the winding wheel 8 drives the ratchet 14 to rotate after rotation, and the torsion spring 17 provides rotation power to the limit member 16, so that the upper part of the limit member 16 contacts the outer wall of the ratchet 14, so that the ratchet 14 brakes the unwinding rotation of the winding wheel 8, thereby improving the anti-fall effect of the kit 3. When the winding wheel 8 needs to be unwound and rotated, the first electric cylinder 18 pushes the lower part of the limit member 16 to swing and rotate, so that the upper part of the limit member 16 is separated from the ratchet 14, thereby improving the convenience of moving the kit 3 downward after the winding wheel 8 is unwound and rotated.

[0032] The utility model provides an aluminum alloy lifter, which, when working, drives the kit 3 to move up and down through the traction device 5, so that the kit 3 drives the supporting frame 4 to move up and down, and brakes the rotation of the traction device 5 through the braking device 6, so that the traction device 5 fixes the movement of the kit 3. When the kit 3 falls, the positioning device fixes the kit 3 on the support arm 2, so that the supporting frame 4 stops falling.

[0033] The motor 13, the first electric cylinder 18 and the second electric cylinder 20 of the aluminum alloy lift of the utility model are purchased on the market, and the technicians in the industry only need to install and operate them according to the accompanying instruction manual, without the need for the technicians in the field to make creative labor.

[0034] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. An aluminum alloy lift, comprising a base (1) and a support arm (2), wherein the support arm (2) is mounted on the top of the base (1); characterized in that: The invention also comprises a positioning device, a kit (3), a bearing frame (4), a traction device (5) and a braking device (6); the kit (3) is mounted on the outer side wall of the support arm (2) in an up-and-down sliding manner; the bearing frame (4) is mounted on the outer side wall of the kit (3); the traction device (5) is mounted on the base (1); the traction device (5) is used to drive the kit (3) to move up and down; the braking device (6) is mounted on the traction device (5); the braking device (6) is used to brake the rotation of the traction device (5); a positioning device is arranged on the outer side wall of the kit (3); the positioning device is used to position the sliding of the kit (3).

2. An aluminum alloy lift as claimed in claim 1, characterized in that: The traction device (5) comprises a bracket (7), a winding wheel (8), a traction rope (9), a support wheel (10), a worm wheel (11), a worm (12) and a motor (13); the bracket (7) is mounted on the top of the base (1); the winding wheel (8) is rotatably mounted on the bracket (7); the bottom end of the traction rope (9) is connected to the outer wall of the winding wheel (8); the top end of the traction rope (9) is connected to the outer wall of the kit (3); the support wheel (10) is mounted on the top of the outer wall of the support arm (2); the support wheel (10) supports the traction rope (9); the worm wheel (11) is concentrically mounted on the end of the winding wheel (8); the worm (12) is rotatably mounted on the inner wall of the bracket (7); the worm (12) is meshed with the worm wheel (11); the motor (13) is mounted on the outer wall of the bracket (7); and the output end of the motor (13) is connected to the worm (12).

3. An aluminum alloy lift as claimed in claim 1, characterized in that: The braking device (6) comprises a ratchet (14), a fixing seat (15), a limiting member (16), a torsion spring (17) and a first electric cylinder (18); the ratchet (14) is coaxially mounted on the other end of the winding wheel (8); the fixing seat (15) is mounted on the top of the base (1); the middle part of the limiting member (16) is rotatably mounted on the fixing seat (15) via a support shaft; the torsion spring (17) is sleeved on the support shaft, and one end of the torsion spring (17) is connected to the support shaft, and the other end of the torsion spring (17) is connected to the outer wall of the fixing seat (15); the first electric cylinder (18) is mounted on the top of the base (1), and the first electric cylinder (18) is arranged on the side of the limiting member (16).

4. An aluminum alloy lift as claimed in claim 1, characterized in that: The positioning device comprises a base (19) and a second electric cylinder (20), wherein the base (19) is mounted on the outer wall of the kit (3), the second electric cylinder (20) is mounted on the outer wall of the base (19), and the moving end of the second electric cylinder (20) slides through the interior of the base (19), and the outer wall of the support arm (2) is provided with a plurality of groups of grooves.

5. The aluminum alloy lifter according to claim 1, characterized in that: It also includes an airbag (21) and a support plate (22), wherein the airbag (21) is mounted on the top of the base (1), the support plate (22) is mounted on the top of the airbag (21), and the support plate (22) is arranged below the bearing frame (4).

6. The aluminum alloy lifter according to claim 1, characterized in that: It also includes a pull rope (23), the bottom end of the pull rope (23) is connected to the outer wall of the base (1), and the top end of the pull rope (23) is connected to the top of the outer wall of the support arm (2).

7. An aluminum alloy lift as claimed in claim 1, characterized in that: The guardrail of the bearing frame (4) is made of aluminum alloy.

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