Elevator for building construction

Abstract

The utility model discloses an elevator for building construction, which relates to the technical field of building engineering lifting equipment and comprises a base, a support frame is mounted at the top of the base, a support plate is mounted at the top of the support frame, and a first screw rod is rotatably connected between the base and the support plate and positioned on one side of the support frame. The outer side of the first lead screw penetrates through and is in threaded connection with a bearing plate, a convex groove is formed in the bearing plate, a convex block is slidably connected into the convex groove, and a lifting bucket is fixedly connected to the top of the convex block. The elevator for building construction has the beneficial effects that one ends of the two groups of traction ropes wound on the reel are respectively connected with the two corresponding sides of the bearing plate, and under the action of the bevel gear set, the first screw rod and the reel are in transmission, and meanwhile, the bearing plate is driven to lift, so that the lifting process is more stable, and the construction efficiency is improved. The resistance of a single lifting structure is reduced, the service life is prolonged, and the lifting structure is not prone to damage.

Description

Technical Field

[0001] The utility model relates to the technical field of construction engineering lifting equipment, in particular to a lifting machine for construction. Background Art

[0002] In construction projects, building material hoists can quickly and efficiently lift materials from the ground to high floors, effectively reducing the time and cost of manual transportation. They are mainly used for vertical transportation of goods or personnel on construction sites.

[0003] Application No. 202220056628.3 discloses a hoist placement and positioning device for construction. The device controls the rotation of a servo motor 1, thereby driving a pulley 1 to rotate, and then driving a screw rod 1 to rotate under the cooperation of a V-belt and a pulley 2. The adjusting table is connected with a threaded connection, and then the adjusting table can be driven to move up and down along the axial direction of the screw rod 1, so that the height of the lifting bucket on the surface of the adjusting table can be adjusted. By controlling the start and stop of the servo motor 1 and cooperating with the self-locking property of the threaded connection, the lifting bucket can be easily fixed at any height. At the same time, a positioning component is added on this basis. By controlling the forward and reverse rotation of the servo motor 2, the base plate can slide under the cooperation of the screw rod 2, the screw sleeve, the slider and the slide rail, so that the adjusting component fixedly installed on the surface of the base plate can follow the movement, so that the lifting bucket can be adjusted in the horizontal direction. Through the cooperation of the servo motor 1, the lifting bucket can be accurately positioned to the specified position.

[0004] The lifting structure of the above application is only connected to one side of the adjusting platform, and has poor stability. When it is damaged, accidents are prone to occur. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a hoist for construction, which solves the problems raised in the above-mentioned background technology.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a hoist for construction, comprising a base, a support frame is installed on the top of the base, a support plate is installed on the top of the support frame, a first screw rod is rotatably connected between the base and the support plate and on one side of the support frame, a bearing plate is penetrated through and threadedly connected to the outer side of the first screw rod, a convex groove is provided inside the bearing plate, a convex block is slidably connected to the inside of the convex groove, a lifting bucket is fixedly connected to the top of the convex block, guide rods are installed between the base and the support plate and on both sides corresponding to the first screw rod, the two guide rods penetrate the lifting bucket, and the support plate A limiting groove is provided inside, and a reel is rotatably connected inside the limiting groove, and two traction ropes are wound around the outside of the reel, and one end of the two traction ropes are fixedly connected to the two sides corresponding to the carrying plate respectively, and a first bevel gear and a second bevel gear are rotatably connected inside the limiting groove and on one side of the reel, and the first bevel gear and the second bevel gear are respectively fixedly connected to the first screw rod and the reel, and a bracket is installed inside the limiting groove and between the first bevel gear and the second bevel gear, and the corresponding two sides of the bracket are rotatably connected with third bevel gears, and the two third bevel gears are connected, and the two third bevel gears are respectively meshed with the first bevel gear and the second bevel gear.

[0007] Preferably, a second screw is rotatably connected inside the convex groove, the second screw passes through the convex block and is threadedly connected to the convex block, and a torsion is rotatably connected to one side of the bearing plate, and the torsion is fixedly connected to the second screw.

[0008] Preferably, a motor is installed on the top of the support plate, and the output end of the motor is fixedly connected to the first bevel gear.

[0009] Preferably, an infrared sensor is installed at the bottom of the supporting plate.

[0010] Preferably, a controller and a warning light are installed on one side of the support frame, and the controller is electrically connected to the infrared sensor and the warning light respectively.

[0011] Preferably, a threaded hole cooperating with the first screw rod is provided inside the lifting bucket and on one side of the convex groove, and sliding holes cooperating with the guide rod are provided inside the lifting bucket and on both sides corresponding to the threaded hole.

[0012] The utility model provides a hoist for construction, which has the following beneficial effects:

[0013] 1. The construction hoist has two sets of traction ropes wound on the reel, one end of which is connected to the corresponding two sides of the load-bearing plate. Under the action of the bevel gear set, the first screw rod and the reel are driven to move, and the load-bearing plate is driven to move up and down at the same time, making the lifting process more stable, reducing the resistance of the single lifting structure, and being conducive to increasing the service life and making it not easy to be damaged.

[0014] 2. The construction hoist can drive the lifting bucket to move and adjust its position through the sliding connection between the bearing plate and the lifting bucket under the action of the second screw rod, so as to facilitate the taking of construction materials in the lifting bucket. In addition, an infrared sensor is installed at the bottom of the bearing plate. When it senses that someone or an animal is approaching the device, a warning light is used to remind, which is beneficial to improve the safety of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 For this utility model Figure 1 Enlarged view of point A in the middle;

[0017] Figure 3 This is a top plan view of the utility model;

[0018] Figure 4 It is a front view of the utility model.

[0019] In the figure: 1. base; 2. support frame; 3. support plate; 4. first screw rod; 5. bearing plate; 6. convex groove; 7. convex block; 8. lifting bucket; 9. limiting groove; 10. reel; 11. traction rope; 12. first bevel gear; 13. second bevel gear; 14. bracket; 15. third bevel gear; 16. second screw rod; 17. twist; 18. infrared sensor; 19. controller; 20. warning light; 21. threaded hole; 22. sliding hole; 23. motor; 24. guide rod. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] See also Figures 1 to 4The utility model provides a technical solution: a hoist for construction, comprising a base 1, a support frame 2 is installed on the top of the base 1, a support plate 3 is installed on the top of the support frame 2, a first screw rod 4 is rotatably connected between the base 1 and the support plate 3 and located on one side of the support frame 2, a bearing plate 5 is penetrated and threadedly connected to the outer side of the first screw rod 4, a convex groove 6 is opened inside the bearing plate 5, a convex block 7 is slidably connected inside the convex groove 6, a lifting bucket 8 is fixedly connected to the top of the convex block 7, under the action of the first screw rod 4, the bearing plate 5 and the lifting bucket 8 are lifted and lowered accordingly, so as to facilitate the lifting and transportation of materials, guide rods 24 are installed between the base 1 and the support plate 3 and on both sides corresponding to the first screw rod 4, and the two guide rods 24 penetrate the lifting The lifting bucket 8 guides and limits the carrying plate 5 so that it will not be affected by the first screw rod 4 and rotate. The inside of the convex groove 6 is rotatably connected to the second screw rod 16, which penetrates the convex block 7 and is threadedly connected to the convex block 7. One side of the carrying plate 5 is rotatably connected to a twisting torque 17, which is fixedly connected to the second screw rod 16. When the twisting torque 17 drives the second screw rod 16 to rotate, it can drive the convex block 7 and the lifting bucket 8 to move, and adjust the position of the lifting bucket 8 to facilitate the taking of building materials. A limiting groove 9 is provided inside the support plate 3, and a reel 10 is rotatably connected inside the limiting groove 9. Two traction ropes 11 are wound around the outside of the reel 10, and one end of the two traction ropes 11 is fixedly connected to the two sides corresponding to the carrying plate 5. , while rotating the reel 10, the traction rope 11 is controlled to be retracted and released, so as to facilitate the lifting and lowering of the auxiliary carrying plate 5 and the lifting bucket 8. A threaded hole 21 matching the first screw rod 4 is provided inside the lifting bucket 8 and on one side of the convex groove 6. Sliding holes 22 matching the guide rod 24 are provided inside the lifting bucket 8 and on both sides corresponding to the threaded hole 21, so as to facilitate the passage of the first screw rod 4 and the guide rod 24. The first bevel gear 12 and the second bevel gear 13 are rotatably connected inside the limiting groove 9 and on one side of the reel 10. The first bevel gear 12 and the second bevel gear 13 are respectively fixedly connected to the first screw rod 4 and the reel 10. A bracket 14 is installed inside the limiting groove 9 and between the first bevel gear 12 and the second bevel gear 13. The two corresponding sides of the bracket 14 The two sides are rotatably connected with the third bevel gear 15, and the two third bevel gears 15 are connected. The two third bevel gears 15 are respectively meshed with the first bevel gear 12 and the second bevel gear 13. Under the action of the two third bevel gears 15, the first screw rod 4 and the reel 10 are transmitted and kept consistent and rotated at the same time, which is conducive to stably driving the carrying plate 5 and the lifting bucket 8 to lift. A motor 23 is installed on the top of the support plate 3, and the output end of the motor 23 is fixedly connected to the first bevel gear 12 to provide power for the rotation of the first bevel gear 12 and the first screw rod 4. An infrared sensor 18 is installed at the bottom of the carrying plate 5, and a controller 19 and a warning light 20 are installed on one side of the support frame 2. The controller 19 is electrically connected to the infrared sensor 18 and the warning light 20 respectively.When the infrared sensor 18 senses that a person or animal is approaching, it transmits a signal to the controller 19, triggering the warning light 20 to operate and alert the surroundings, which is beneficial to improving the safety of the device.

[0022] In summary, when the construction hoist is in use, the motor 23 drives the first bevel gear 12 and the first screw rod 4 to drive the bearing plate 5 and the convex groove 6 to rise through the connection between the first bevel gear 12 and the first screw rod 4, and the threaded connection between the first screw rod 4 and the bearing plate 5, and the guide rods 24 on both sides of the first screw rod 4 respectively pass through the sliding holes 22 in the lifting bucket 8 to guide the lifting bucket 8. While conveying the building materials, the two third bevel gears 15 in the limiting groove 9 are respectively meshed with the second bevel gear 13 and the first bevel gear 12, and the second bevel gear 13 is connected to the reel 10, and the two reels 10 are wound around the outside. Under the action of one end of the traction rope 11 being connected to the corresponding two sides of the carrying plate 5, the reel 10 rotates with the rotation of the second bevel gear 13, the third bevel gear 15, and the first bevel gear 12, thereby controlling the retraction and release of the traction rope 11 and assisting the lifting and lowering of the carrying plate 5 and the lifting bucket 8. Since the second screw rod 16 in the carrying plate 5 passes through the convex block 7 and is threadedly connected to the convex block 7, the second screw rod 16 and the convex block 7 are respectively connected to the twisting knob 17 and the lifting bucket 8. Therefore, rotating the twisting knob 17 can drive the second screw rod 16 to rotate, so that the convex block 7 and the lifting bucket 8 are displaced, and the lifting bucket 8 is adjusted to a suitable position to take out the material in the lifting bucket 8.

[0023] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A hoist for construction, comprising a base (1), characterized in that: A support frame (2) is installed on the top of the base (1), a support plate (3) is installed on the top of the support frame (2), a first screw rod (4) is rotatably connected to one side of the support frame (2) between the base (1) and the support plate (3), a bearing plate (5) is threadedly connected to the outer side of the first screw rod (4), a convex groove (6) is provided inside the bearing plate (5), a convex block (7) is slidably connected inside the convex groove (6), a lifting bucket (8) is fixedly connected to the top of the convex block (7), guide rods (24) are installed on both sides corresponding to the first screw rod (4) between the base (1) and the support plate (3), the two guide rods (24) both penetrate the lifting bucket (8), a limiting groove (9) is provided inside the support plate (3), and a reel (1) is rotatably connected inside the limiting groove (9). 0), two traction ropes (11) are wound around the outside of the reel (10), one end of the two traction ropes (11) is fixedly connected to the two sides corresponding to the bearing plate (5), the inside of the limiting groove (9) and located on one side of the reel (10) are rotatably connected to a first bevel gear (12) and a second bevel gear (13), the first bevel gear (12) and the second bevel gear (13) are respectively fixedly connected to the first screw rod (4) and the reel (10), the inside of the limiting groove (9) and located between the first bevel gear (12) and the second bevel gear (13) are installed with a bracket (14), the two sides corresponding to the bracket (14) are rotatably connected to third bevel gears (15), the two third bevel gears (15) are connected to each other, and the two third bevel gears (15) are respectively meshed with the first bevel gear (12) and the second bevel gear (13).

2. A construction hoist according to claim 1, characterized in that: A second screw rod (16) is rotatably connected inside the convex groove (6), the second screw rod (16) passes through the convex block (7) and is threadedly connected to the convex block (7), and a toggle (17) is rotatably connected to one side of the bearing plate (5), the toggle (17) is fixedly connected to the second screw rod (16).

3. A construction hoist according to claim 1, characterized in that: A motor (23) is installed on the top of the support plate (3), and an output end of the motor (23) is fixedly connected to the first bevel gear (12).

4. A construction hoist according to claim 1, characterized in that: An infrared sensor (18) is installed at the bottom of the carrying plate (5).

5. A construction hoist according to claim 4, characterized in that: A controller (19) and a warning light (20) are installed on one side of the support frame (2), and the controller (19) is electrically connected to the infrared sensor (18) and the warning light (20), respectively.

6. A construction hoist according to claim 1, characterized in that: A threaded hole (21) matching with the first screw rod (4) is provided inside the lifting bucket (8) and on one side of the convex groove (6), and sliding holes (22) matching with the guide rod (24) are provided inside the lifting bucket (8) and on both sides corresponding to the threaded hole (21).

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