Construction elevator

Abstract

The utility model relates to the technical field of elevators, in particular to a construction elevator which comprises a movable box, two sliding grooves are formed in the upper surface of the movable box, a first motor is fixedly connected to the upper surface of the movable box, a first gear is fixedly connected to an output shaft of the first motor, and a first toothed belt is meshed with the outer surface of the first gear. By arranging a first threaded rod, a sliding block, a limiting plate and other components, a first motor drives a first gear to drive a first toothed belt, meanwhile, the first toothed belt drives a second gear to rotate, the second gear drives a first threaded rod, and meanwhile, the first threaded rod drives the sliding block and the limiting plate to move, so that the inner wall of the limiting plate makes contact with a fixing rod; and a first damping rod and a spring are pressed downwards to contract, and meanwhile, a second damping rod and a second spring synchronously contract and drive a rotating plate to rotate to uniformly disperse pressure, so that the effects of preventing the movable box from falling, reducing vibration generated during falling of the movable box and improving the safety of workers can be achieved.

Description

Technical Field

[0001] The present application relates to the technical field of hoists, and in particular to a construction hoist. Background Art

[0002] A material hoist is a fixed mechanical conveying equipment, which is mainly suitable for the continuous vertical lifting of powdery, granular and small pieces of materials. In the process of construction, a material hoist is often needed to transport materials needed for high-rise building construction. The existing material hoist in construction uses a winch to pull the movable box up, and the connecting mechanism on the rear side of the movable box makes the movable box rise close to the support frame to avoid shaking of the movable box.

[0003] Through searching, Chinese patent announcement number CN219174020U discloses a building material hoist for construction engineering, including a support frame, a limiter, a lifting basket, a hook puller and a lifting assembly, the limiters are symmetrically arranged on both sides of the support frame, the support frame is slidably connected with a lifting basket, the lifting basket is matched with a hook puller, the hook puller and the lifting assembly are mutually matched and connected, and the lifting assembly is fixedly connected to the top of the support frame. The key point is that through improved structural design and mutual cooperation of various parts, the support frame provides lateral positioning and support during the steel cable lifting process, thereby solving various safety hazards of existing equipment; actual tests have shown that the utility model can be widely used in general civil and industrial construction, is easy to manufacture, build and disassemble, can maintain normal construction in a harsh environment of 6-level non-directional wind and light rain weather and above 5°C, and has high safety during use.

[0004] With respect to the above-mentioned related technologies, the inventors have found the following defects: when the device is in use, due to the certain weight of the lifting frame used to transport construction materials, the lifting device will stop rising when it rises to the required height. At this time, the lifting device is required to bear the weight of the materials and the movable compartment. The lifting device will wear out after long-term use and is very likely to fall. When the lifting frame contacts the ground, it will generate huge vibrations, causing damage to the materials in the lifting frame and the lifting frame body, and the fallen materials can easily hit the staff, resulting in a lack of safety at work. Utility Model Content

[0005] In order to prevent the movable box from falling and reduce the vibration generated when the movable box falls, the present application provides a construction hoist.

[0006] A construction hoist provided in the present application adopts the following technical scheme: a construction hoist comprises a movable box, the upper surface of the movable box is provided with two sliding grooves, the upper surface of the movable box is fixedly connected with a motor 1, the output shaft of the motor 1 is fixedly connected with a gear 1, the outer surface of the gear 1 is meshed with a toothed belt 1, the inner wall of the toothed belt 1 is meshed with two gears 2, each of the gears 2 is fixedly connected with a threaded rod 1 inside, both ends of each threaded rod 1 are rotatably connected to the inner wall of the sliding groove, the outer surface of each threaded rod 1 is threadedly connected with a sliding block, the outer surface of each sliding block is slidably connected to the inner wall of the sliding groove, the upper surface of each sliding block is fixedly connected with a limit plate, and the outer surface of the movable box is fixedly connected with four limit blocks.

[0007] Optionally, a fixed plate is provided under the movable box, and four damping rods 1 are fixedly connected to the bottom of the movable box, and the bottom end of each damping rod 1 is fixedly connected to the upper surface of the fixed plate, and four springs 1 are fixedly connected to the upper surface of the fixed plate, and the top and bottom ends of each spring 1 are fixedly connected to the bottom surfaces of the movable box and the fixed plate.

[0008] Optionally, four connecting plates are provided below the movable box, the outer surface of each connecting plate is fixedly connected to the corresponding bottom surface of the movable box and the upper surface of the fixed plate, and the inner wall of each connecting plate is rotatably connected to a rotating plate.

[0009] Optionally, two damping rods 2 and two springs 2 are provided above the fixed plate, and the top and bottom ends of each of the damping rods 2 and springs 2 are fixedly connected to the outer surface of the corresponding rotating plate.

[0010] Optionally, the outer surface of the movable box is in sliding contact with a support frame, the outer surface of the support frame is provided with two limiting grooves, and the inner wall of the support frame is fixedly connected with fixing rods arranged at equal distances.

[0011] Optionally, the upper surface of the support frame is fixedly connected to motor 2, the output shaft of motor 2 is fixedly connected to gear 3, the outer surface of gear 3 is meshed with toothed belt 2, the inner wall of toothed belt 2 is meshed with two gears 4, and each of the gears 4 is fixedly connected to a threaded rod 2.

[0012] Optionally, the outer surface of each of the threaded rods 2 is threadedly connected to the limiting block, and the outer surface of each of the limiting blocks is slidably connected to the inner wall of the corresponding limiting groove.

[0013] In summary, this application includes the following beneficial technical effects:

[0014] 1. The utility model is provided with components such as a threaded rod 1, a sliding block, and a limit plate. A motor 1 drives a gear 1 to drive a toothed belt 1, and at the same time, the toothed belt 1 drives a gear 2 to rotate, and the gear 2 drives the threaded rod 1, and at the same time, the threaded rod 1 drives the sliding block and the limit plate to move, so that the inner wall of the limit plate contacts the fixed rod. When the fixed plate contacts the ground, the damping rod 1 and the spring are pressed down and contracted, and at the same time, the damping rod 2 and the spring 2 are synchronously contracted, and drive the rotating plate to rotate to evenly disperse the pressure, so that the device can prevent the movable box from falling, reduce the vibration generated when the movable box falls, and improve the safety of workers.

[0015] 2. The utility model is provided with components such as motor 2, gear 3, toothed belt 2, threaded rod 2, and limit block. Motor 2 drives gear 3 to rotate, gear 3 meshes with toothed belt 2 and drives gear 4 to rotate synchronously, threaded rod 2 is driven to rotate by gear 4, threaded rod 2 drives the limit block and the movable box to rise or fall, thereby achieving the effect that the device can quickly lift the movable box. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall three-dimensional structure in the embodiment of the present application;

[0017] Figure 2 This is a schematic diagram of the structure inside the movable box in the embodiment of the present application;

[0018] Figure 3 is a schematic structural diagram of the damping rod 2 in an embodiment of the present application;

[0019] Figure 4 It is a schematic diagram of the structure inside the support frame in the embodiment of the present application.

[0020] : The accompanying drawings are as follows: 1. movable box; 2. sliding groove; 3. motor 1; 4. gear 1; 5. toothed belt 1; 6. gear 2; 7. threaded rod 1; 8. sliding block; 9. limit plate; 10. limit block; 11. damping rod 1; 12. spring 1; 13. fixed plate; 14. connecting plate; 15. rotating plate; 16. damping rod 2; 17. spring 2; 18. support frame; 19. limit groove; 20. motor 2; 21. gear 3; 22. toothed belt 2; 23. gear 4; 24. threaded rod 2; 25. fixed rod. DETAILED DESCRIPTION

[0021] The following is combined with Figure 1-Figure 4 This application is described in further detail.

[0022] The present application embodiment discloses a construction hoist. Figure 1 , Figure 2 , Figure 3 , Figure 4As shown, a construction hoist comprises a movable box 1, the upper surface of which is provided with two sliding grooves 2, the upper surface of which is fixedly connected with a motor 3, the output shaft of which is fixedly connected with a gear 4, the outer surface of which is meshed with a toothed belt 5, the inner wall of which is meshed with two gears 2 6, the motor 3 provides a power source for the reciprocating motion of the limit plate 9, and the two gears 2 6 can rotate at the same speed and in the same direction through the cooperation among the gear 4, the toothed belt 5 and the gear 2 6.

[0023] See also Figure 1 , Figure 4 The outer surface of the movable box 1 is in sliding contact with a support frame 18, and two limit grooves 19 are provided on the outer surface of the support frame 18. The inner wall of the support frame 18 is fixedly connected with fixed rods 25 arranged at equal distances. The support frame 18 provides a stable supporting force for the movable box 1, so that the movable box 1 will not shake when rising or falling, providing higher safety for the device.

[0024] See also Figure 1 , Figure 4 The upper surface of the support frame 18 is fixedly connected to a motor 20, and the output shaft of the motor 20 is fixedly connected to a gear 3 21. The outer surface of the gear 3 21 is meshed with a toothed belt 22, and the inner wall of the toothed belt 22 is meshed with two gears 4 23. The interior of each gear 4 23 is fixedly connected to a threaded rod 24. Through the cooperation between the gear 3 21, the toothed belt 22, and the gear 4 23, the two threaded rods 24 can move in the same direction and at the same speed, so that when the threaded rod 24 drives the limit block 10 to rise or fall, it can have a higher synchronization rate, thereby improving the safety of work.

[0025] See also Figure 1 , Figure 4 The outer surface of each threaded rod 24 is threadedly connected to the limit block 10, and the outer surface of each limit block 10 is slidably connected to the inner wall of the corresponding limit groove 19. The limit groove 19 limits the movement direction of the limit block 10 to prevent the limit block 10 from derailing during movement.

[0026] See also Figure 1 , Figure 3Four connecting plates 14 are provided at the bottom of the movable box 1, and the outer surface of each connecting plate 14 is fixedly connected to the corresponding bottom surface of the movable box 1 and the upper surface of the fixed plate 13. The inner wall of each connecting plate 14 is rotatably connected with a rotating plate 15. The movable box 1 and the fixed plate 13 provide support points for the corresponding connecting plates 14, and the connecting plates 14 provide support points for the rotating plates 15, and enable the rotating plates 15 to rotate inside the connecting plates 14. Two damping rods 16 and springs 17 are provided above the fixed plates 13. The top and bottom ends of each damping rod 16 and spring 17 are fixedly connected to the outer surface of the corresponding rotating plate 15. When the fixed plate 13 contacts the ground, the damping rod 16 and spring 17 drive the rotating plate 15 to rotate, and changing the force direction can evenly disperse the pressure brought by the upper movable box 1.

[0027] See also Figure 1 , Figure 3 A fixed plate 13 is provided at the bottom of the movable box 1, and four damping rods 11 are fixedly connected to the bottom of the movable box 1, and the bottom end of each damping rod 11 is fixedly connected to the upper surface of the fixed plate 13, and four springs 12 are fixedly connected to the upper surface of the fixed plate 13, and the top and bottom ends of each spring 12 are fixedly connected to the movable box 1 and the bottom surface of the fixed plate 13. Through the cooperation between the damping rod 11 and the spring 12, the vertical pressure generated when the movable box 1 descends can be partially offset by the damping rod 11 and the spring 12, which can effectively reduce the vibration of the movable box 1 when it contacts the ground.

[0028] See also Figure 1 , Figure 2 , each gear 2 6 is fixedly connected to a threaded rod 7 at its interior, both ends of each threaded rod 7 are rotatably connected to the inner wall of the sliding groove 2, the outer surface of each threaded rod 7 is threadedly connected to a sliding block 8, the outer surface of each sliding block 8 is slidably connected to the inner wall of the sliding groove 2, the upper surface of each sliding block 8 is fixedly connected to a limit plate 9, and four limit blocks 10 are fixedly connected to the outer surface of the movable box 1. The threaded rod 7 drives the corresponding sliding block 8 to move, so that the two limit plates 9 can move synchronously, so that the contact time between the limit plate 9 and the fixed rod 25 is consistent, providing higher stability for the device.

[0029] The implementation principle of a construction hoist in the embodiment of the present application is as follows: the motor 20 drives the gear 3 21 to rotate, the gear 3 21 meshes with the toothed belt 2 22 and drives the gear 4 23 to rotate synchronously, the gear 4 23 drives the threaded rod 2 24 to rotate, the threaded rod 2 24 drives the limit block 10 and the movable box 1 to rise or fall, if it is lifted to the required height, the motor 13 drives the gear 14 to drive the toothed belt 1 5, and the toothed belt 1 5 drives the gear 2 6 to rotate, the gear 2 6 drives the threaded rod 1 7, and the threaded rod 1 7 drives the sliding block 8 and the limit plate 9 to move, so that the inner wall of the limit plate 9 contacts the fixed rod 25, and the movable box 1 is limited. When the fixed plate 13 contacts the ground, the damping rod 1 11 and the spring 12 are pressed down and contracted to reduce the vertical downward pressure. At the same time, the damping rod 2 16 and the spring 2 17 contract synchronously and drive the rotating plate 15 to rotate to evenly disperse the pressure, thereby improving the safety of the workers.

[0030] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A construction hoist, comprising a movable box (1), characterized in that: The upper surface of the movable box (1) is provided with two sliding grooves (2); the upper surface of the movable box (1) is fixedly connected with a motor 1 (3); the output shaft of the motor 1 (3) is fixedly connected with a gear 1 (4); the outer surface of the gear 1 (4) is meshed with a toothed belt 1 (5); the inner wall of the toothed belt 1 (5) is meshed with two gears 2 (6); each gear 2 (6) is fixedly connected with a threaded rod 1 (7) inside; both ends of each threaded rod 1 (7) are rotatably connected to the inner wall of the sliding groove (2); the outer surface of each threaded rod 1 (7) is threadedly connected with a sliding block (8); the outer surface of each sliding block (8) is slidably connected to the inner wall of the sliding groove (2); the upper surface of each sliding block (8) is fixedly connected with a limit plate (9); and the outer surface of the movable box (1) is fixedly connected with four limit blocks (10).

2. A construction hoist according to claim 1, characterized in that: A fixed plate (13) is provided below the movable box (1), and four damping rods (11) are fixedly connected to the bottom of the movable box (1), and the bottom end of each damping rod (11) is fixedly connected to the upper surface of the fixed plate (13), and the upper surface of the fixed plate (13) is fixedly connected to four springs (12), and the top and bottom ends of each spring (12) are fixedly connected to the bottom surfaces of the movable box (1) and the fixed plate (13).

3. A construction hoist according to claim 1, characterized in that: Four connecting plates (14) are provided below the movable box (1), the outer surface of each connecting plate (14) being fixedly connected to the bottom surface of the corresponding movable box (1) and the upper surface of the fixed plate (13), and the inner wall of each connecting plate (14) being rotatably connected to a rotating plate (15).

4. A construction hoist according to claim 3, characterized in that: Two damping rods (16) and two springs (17) are arranged above the fixed plate (13), and the top and bottom ends of each damping rod (16) and spring (17) are fixedly connected to the outer surface of the corresponding rotating plate (15).

5. A construction hoist according to claim 1, characterized in that: The outer surface of the movable box (1) is in sliding contact with a support frame (18), the outer surface of the support frame (18) is provided with two limit grooves (19), and the inner wall of the support frame (18) is fixedly connected with fixed rods (25) arranged at equal distances.

6. A construction hoist according to claim 5, characterized in that: The upper surface of the support frame (18) is fixedly connected to a motor 2 (20), the output shaft of the motor 2 (20) is fixedly connected to a gear 3 (21), the outer surface of the gear 3 (21) is meshed with a toothed belt 2 (22), the inner wall of the toothed belt 2 (22) is meshed with two gears 4 (23), and each of the gears 4 (23) is fixedly connected to a threaded rod 2 (24) inside.

7. A construction hoist according to claim 6, characterized in that: The outer surface of each of the threaded rods (24) is threadedly connected to the limiting block (10), and the outer surface of each of the limiting blocks (10) is slidably connected to the inner wall of the corresponding limiting groove (19).

Images