Counterweight device of elevator

Abstract

The utility model discloses a counterweight device of an elevator, which belongs to the technical field of elevators and comprises a support frame and a counterweight mechanism, two sides in the support frame are fixedly connected with limiting plates, one side of the support frame is fixedly connected with a fixed seat I, the top of the fixed seat I is fixedly connected with a motor I, and the output end of the motor I is fixedly connected with a transmission shaft. According to the device, after the weight of an object is determined, the second motor is started, when the second motor drives the sliding groove to rotate, the four sets of clamping plates are driven to move towards the center of the sliding groove, and the balancing weight can be rapidly fixed; and after lifting is completed, the second motor is reversely rotated, the balancing weight can be rapidly disassembled, use is convenient and rapid, a large amount of time is saved, in the lifting process, the four sets of clamping plates can effectively fix the balancing weight, the stability of the balancing weight is enhanced in the lifting process, and potential safety hazards are effectively prevented.

Description

Technical Field

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

[0002] The hoist counterweight device is a mechanical device used to lift and balance heavy objects, usually used with a hoist. Its main function is to increase the hoist's lifting capacity so that the hoist can work more stably.

[0003] The counterweight device of the existing elevator still has the following defects when in use: when transporting objects of different weights, the counterweight block cannot be replaced quickly, and the replacement process wastes a lot of time and affects the use efficiency; and the stability is poor during the lifting process, and the counterweight block cannot be stably fixed, which is prone to safety hazards. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a counterweight device for a hoist.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a counterweight device of a hoist, comprising a support frame and a counterweight mechanism, wherein limit plates are fixedly connected on both sides of the support frame, a fixed seat 1 is fixedly connected to one side of the support frame, a motor 1 is fixedly connected to the top of the fixed seat 1, a transmission shaft is fixedly connected to the output end of the motor 1, a gear 1 is fixedly connected to the end of the transmission shaft away from the motor 1, a gear 2 is meshedly connected to the transmission shaft, a threaded column is fixedly connected to the top and bottom surfaces of the support frame at the upper and lower ends, a limit block is threadedly connected to the lifting plate, connecting blocks are fixedly connected to the front and rear sides of the lifting plate, a lifting bin is fixedly connected to the bottom of the front connecting block, and a counterweight mechanism is fixedly connected to the bottom of the rear connecting block.

[0006] As a further description of the above technical solution:

[0007] A fixed seat 2 is fixedly connected inside the counterweight mechanism, a support rod is fixedly connected to the top surface of the fixed seat 2, a splint is slidably connected to the top of the support rod, a slider is fixedly connected to the bottom of the splint, a limit block is fixedly connected to the bottom of the slider, a fixed seat 3 is fixedly connected to the middle of the top surface of the fixed seat 2, the fixed seat 3 is fixedly connected to the motor 2, a slide groove is fixedly connected to the output end of the motor 2, and the fixed seat 3 is arranged on the slide groove.

[0008] As a further description of the above technical solution:

[0009] The transmission shaft penetrates through and is rotatably connected to one side of the bottom of the support frame, effectively transmitting the gear one.

[0010] As a further description of the above technical solution:

[0011] The gear 1 and the gear 2 are bevel gears.

[0012] As a further description of the above technical solution:

[0013] The two sides of the lifting plate are slidably connected to the limiting plate, and the lifting plate is limited to prevent the lifting plate from rotating with the threaded column.

[0014] As a further description of the above technical solution:

[0015] The slider is slidably connected in the fixing seat three, and the fixing seat three is arc-shaped. The rotation of the sliding groove drives the slider in the fixing seat three to move, so that the clamping plate moves toward the center of the sliding groove.

[0016] As a further description of the above technical solution:

[0017] The clamping plate, the sliding block and the fixing seat are distributed in four groups on three circumferences, so as to enhance the fixing effect of the counterweight block and make the counterweight block more stable during the lifting process.

[0018] The utility model has the following beneficial effects:

[0019] 1. In the utility model, after determining the weight of the article, start the second motor, and when the second motor drives the slide to rotate, it drives the four groups of clamps to move toward the center of the slide, so that the counterweight block can be quickly fixed. After lifting, the second motor can be rotated in the opposite direction to quickly remove the counterweight block. It is convenient and quick to use, saving a lot of time.

[0020] 2. In the utility model, during the lifting process, the four groups of clamps can effectively fix the counterweight block, thereby enhancing the stability of the counterweight block during the lifting process and effectively preventing safety hazards. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A structural diagram of a counterweight device for a hoist proposed in the utility model Figure 1 ;

[0022] Figure 2 A structural diagram of a counterweight device for a hoist proposed in the utility model Figure 2 ;

[0023] Figure 3 The utility model is a partial structural schematic diagram of a counterweight device of a hoist.

[0024] Legend:

[0025] 1. Support frame; 2. Limit plate; 3. Fixed seat 1; 4. Motor 1; 5. Transmission shaft; 6. Gear 1; 7. Threaded column; 8. Gear 2; 9. Lifting bin; 10. Connecting block; 11. Lifting plate; 12. Counterweight mechanism; 13. Fixed seat 2; 14. Support rod; 15. Clamp; 16. Slider; 17. Limit block; 18. Slide; 19. Fixed seat 3; 20. Motor 2. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] Reference Figure 1-Figure 3 The utility model provides an embodiment: a counterweight device for a hoist, comprising a support frame 1 and a counterweight mechanism 12, wherein limit plates 2 are fixedly connected on both sides of the support frame 1, a fixed seat 3 is fixedly connected on one side of the support frame 1, a motor 4 is fixedly connected on the top of the fixed seat 3, a transmission shaft 5 is fixedly connected on the output end of the motor 4, a gear 6 is fixedly connected on the end of the transmission shaft 5 away from the motor 4, the transmission shaft 5 is meshedly connected with a gear 2 8, the gear 2 8 is fixedly connected with a threaded column 7, the upper and lower ends of the threaded column 7 are rotatably connected to the top and bottom surfaces of the support frame 1, a lifting plate 11 is threadedly connected on the threaded column 7, the front and rear sides of the lifting plate 11 are fixedly connected with connecting blocks 10, the bottom of the front connecting block 10 is fixedly connected with a lifting bin 9, and the bottom of the rear connecting block 10 is fixedly connected with a counterweight mechanism 12.

[0028] The counterweight mechanism 12 is fixedly connected with a fixed seat 2 13, the top surface of the fixed seat 2 13 is fixedly connected with a support rod 14, the top of the support rod 14 is slidably connected with a clamping plate 15, the bottom of the clamping plate 15 is fixedly connected with a slider 16, the bottom of the slider 16 is fixedly connected with a limited block 17, the middle of the top surface of the fixed seat 2 13 is fixedly connected with a fixed seat 3 19, the fixed seat 3 19 is fixedly connected with a motor 20, the output end of the motor 20 is fixedly connected with a slide 18, and the slide 18 is provided with a fixed seat 3 19, the transmission shaft 5 passes through and is rotatably connected to one side of the bottom of the support frame 1, which is effective The gear 1 6 is transmitted, and the gear 1 6 and the gear 2 8 are bevel gears. The lifting plate 11 is slidably connected to the limit plate 2 on both sides, and the lifting plate 11 is limited to prevent the lifting plate 11 from rotating with the threaded column 7. The slider 16 is slidably connected in the fixed seat 3 19, and the fixed seat 3 19 is arc-shaped. The rotation of the slide groove 18 drives the slider 16 in the fixed seat 3 19 to move, so that the splint 15 moves toward the center of the slide groove 18. There are four groups of splints 15, sliders 16 and fixed seat 3 19 distributed around the circumference, which enhances the fixing effect of the counterweight block and makes the counterweight block more stable during the lifting process.

[0029] Working principle: when it is necessary to lift the items, select a counterweight block of appropriate weight, place the counterweight block on the slide 18, start the motor 20, and the motor 20 drives the slide 18 to rotate. When the slide 18 rotates, the slider 16 slidably connected in the fixed seat 3 19 moves, and the slider 16 moves toward the center of the slide 18 in an arc shape with the fixed seat 3 19. The slider 16 drives the clamping plate 15 to slide on the support rod 14, so that the four groups of clamping plates 15 fix the counterweight block at the same time. After the fixation is completed, put the items into the lifting bin 9, start the motor 14, and the motor 14 drives the gear 16 on the transmission shaft 5 to rotate, and the gear 2 8 meshing with the gear 16 rotates, thereby driving the threaded column 7 on the gear 2 8 to rotate. When the threaded column 7 rotates, the lifting plate 11 threadedly connected to the threaded column 7 performs threaded motion with the threaded column 7 through the thread, and the lifting plate 11 rises, driving the lifting bin 9 and the counterweight mechanism 12 on the connecting blocks 10 on the front and rear sides of the lifting plate 11 to lift.

[0030] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A counterweight device for a hoist, comprising a support frame (1) and a counterweight mechanism (12), characterized in that: The support frame (1) is fixedly connected with a limit plate (2) on both sides thereof; a fixed seat (3) is fixedly connected to one side of the support frame (1); a motor (4) is fixedly connected to the top of the fixed seat (3); a transmission shaft (5) is fixedly connected to the output end of the motor (4); a gear (6) is fixedly connected to the end of the transmission shaft (5) away from the motor (4); the transmission shaft (5) is meshingly connected with a gear (8); the gear (8) is fixedly connected with a threaded column (7); the threaded column (7) is rotatably connected to the top and bottom surfaces of the support frame (1) at its upper and lower ends; a lifting plate (11) is threadedly connected to the threaded column (7); the lifting plate (11) is fixedly connected to connecting blocks (10) at the front and rear sides thereof; a lifting bin (9) is fixedly connected to the bottom of the front connecting block (10); and a counterweight mechanism (12) is fixedly connected to the bottom of the rear connecting block (10).

2. A counterweight device for a hoist according to claim 1, characterized in that: The counterweight mechanism (12) is fixedly connected with a second fixing seat (13), the top surface of the second fixing seat (13) is fixedly connected with a support rod (14), the top of the support rod (14) is slidably connected with a clamping plate (15), the bottom of the clamping plate (15) is fixedly connected with a sliding block (16), the bottom of the sliding block (16) is fixedly connected with a limiting block (17), the middle of the top surface of the second fixing seat (13) is fixedly connected with a third fixing seat (19), the third fixing seat (19) is fixedly connected with a second motor (20), the output end of the second motor (20) is fixedly connected with a sliding groove (18), and the third fixing seat (19) is arranged on the sliding groove (18).

3. The counterweight device for a hoist according to claim 1, characterized in that: The transmission shaft (5) passes through and is rotatably connected to one side of the bottom of the support frame (1).

4. The counterweight device for a hoist according to claim 1, characterized in that: The gear 1 (6) and the gear 2 (8) are bevel gears.

5. The counterweight device for a hoist according to claim 1, characterized in that: The two sides of the lifting plate (11) are slidably connected to the limiting plate (2).

6. The counterweight device for a hoist according to claim 2, characterized in that: The sliding block (16) is slidably connected in a fixing seat three (19), and the fixing seat three (19) is arc-shaped.

7. The counterweight device for a hoist according to claim 2, characterized in that: The clamping plate (15), the sliding block (16) and the fixing seat (19) are distributed in four groups around the circumference.

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