Elevator anti-falling counterweight device

Abstract

The utility model relates to the technical field of elevator anti-falling counter-weights, in particular to an elevator anti-falling counter-weight device which comprises a counter-weight device body, upper beam plates are symmetrically arranged on the counter-weight device body, counter-weight wheels provided with wheel grooves are installed between the upper beam plates, the two sides of each upper beam plate are connected with counter-weight frames respectively, counter-weight blocks are arranged between the counter-weight frames, and the counter-weight blocks are connected with the counter-weight blocks. A wheel cover is fixed to the upper end between the upper beam plates, side blocking ropes are further symmetrically connected between the upper beam plates, a lower blocking rope is further arranged at the lower end between the upper beam plates, the wheel cover, the side blocking ropes and the lower blocking rope are all of U-shaped bent structures, a counterweight wheel shaft penetrates through the counterweight wheel, and the two ends of the counterweight wheel shaft are each provided with a shaft clamping plate and a shaft end baffle. According to the anti-falling counterweight device for the elevator, a multi-protection structure is arranged on the counterweight housing, the steel wire rope can be subjected to multi-directional limiting protection, the stability of the counterweight wheel shaft mounting structure is ensured, the steel wire rope is not prone to being separated from the counterweight housing, and therefore the safety of passengers in a lift car is protected.

Description

Technical Field

[0001] This utility model relates to the field of elevator anti-fall counterweight technology, specifically an elevator anti-fall counterweight device. Background Technology

[0002] The counterweight is an important component of the elevator system. It is mainly used to balance the weight of the car, reduce the power demand of the drive motor, and improve the elevator's operating efficiency and stability.

[0003] In real-world elevator accidents, the steel cable may jump out of its groove and get stuck between the counterweight wheel and the upper beam. Sometimes, excessive force can cause the clamping plate to break or its bolts to break, causing the counterweight wheel to detach from the upper beam and the steel cable to completely detach from the counterweight frame, thus causing the car to fall and resulting in an accident. Therefore, it is necessary to install an elevator anti-fall counterweight device. Utility Model Content

[0004] The purpose of this utility model is to provide an elevator anti-fall counterweight device to solve the problem mentioned in the background art that in current elevator accidents, the steel wire rope jumps out of the groove and gets stuck between the counterweight wheel and the upper beam plate. Sometimes, due to excessive force, the clamping plate or its bolts break, causing the counterweight wheel to detach from the upper beam and the steel wire rope to completely detach from the counterweight frame, thus causing the car to fall and causing an accident.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an elevator anti-fall counterweight device, comprising a counterweight device body, upper beam plates symmetrically arranged on the counterweight device body, and counterweight wheels with grooves installed between the upper beam plates, counterweight frames connected to both sides of the upper beam plates, and counterweight blocks arranged between the counterweight frames, a wheel cover fixed to the upper end between the upper beam plates, and side ropes symmetrically connected between the upper beam plates, and a lower rope arranged at the lower end between the upper beam plates, wherein the wheel cover, side ropes, and lower ropes are all U-shaped bent structures, a counterweight wheel axle passes through the counterweight wheel, and axle clamping plates and axle end baffles are provided at both ends of the counterweight wheel axle.

[0006] Preferably, the counterweight device has symmetrical counterweight guide rails on both sides of the main body, oil cups are respectively installed on the upper end of the counterweight frame, and counterweight guide shoes are fixed to the outer side of the counterweight frame by bolts, and the counterweight guide shoes are engaged with the counterweight guide rails.

[0007] Preferably, the width of the wheel cover is smaller than the diameter of the counterweight wheel groove, and the bottom surface of the U-shaped structure of the wheel cover, the side guard rope, and the lower guard rope are all in clearance fit with the counterweight wheel.

[0008] Preferably, the wheel cover, side guard rope and bottom guard rope have elongated holes on both sides of the U-shaped structure, and the wheel cover, side guard rope and bottom guard rope are bolted to the upper beam plate through the elongated holes.

[0009] Preferably, the axle clamping plate is engaged above the end of the counterweight wheel axle, and the axle clamping plate is fastened to the inner side of the axle end baffle.

[0010] Preferably, the counterweight wheel axle has holes tapped at both ends, and the counterweight wheel axle is fixed to the axle end baffle by bolts.

[0011] Compared with existing technologies, the beneficial effects of this utility model are as follows: This elevator anti-fall counterweight device has multiple protective structures on the counterweight frame, which can provide multi-directional limiting protection for the wire rope and ensure the stability of the counterweight wheel axle installation structure, making it difficult for the wire rope to detach from the counterweight frame, thereby protecting the safety of the car passengers. This elevator anti-fall counterweight device uses bent brackets to form side and bottom rope guards, which can prevent the wire rope from jumping out of the groove and prevent severe deformation of the upper beam plate when it jumps out. The counterweight wheel is protected by a wheel cover, which can prevent debris from falling into the wheel groove and causing it to jump out of the groove. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of an elevator anti-fall counterweight device according to the present invention;

[0013] Figure 2 This is a front view of an elevator anti-fall counterweight device according to the present invention;

[0014] Figure 3 This is a top view of an elevator anti-fall counterweight device according to the present invention;

[0015] Figure 4 This is a side view of an elevator anti-fall counterweight device according to the present invention.

[0016] In the diagram: 1. Main body of the counterweight device; 2. Wheel cover; 3. Oil cup; 4. Counterweight guide shoe; 5. Counterweight wheel; 6. Side guard rope; 7. Axle clamping plate; 8. Counterweight wheel axle; 9. Axle end baffle; 10. Lower guard rope; 11. Upper beam plate; 12. Counterweight frame; 13. Counterweight block; 14. Counterweight guide rail. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] Please see Figure 1-4This utility model provides a technical solution: an elevator anti-fall counterweight device, including a counterweight device body 1, with upper beam plates 11 symmetrically arranged on the counterweight device body 1, and counterweight wheels 5 with wheel grooves installed between the upper beam plates 11. Counterweight frames 12 are respectively connected to both sides of the upper beam plates 11, and counterweight guide rails 14 are symmetrically arranged on both sides of the counterweight device body 1. Oil cups 3 are respectively installed on the upper ends of the counterweight frames 12, and counterweight guide shoes 4 are fixed to the outer side of the counterweight frames 12 by bolts. The counterweight guide shoes 4 engage with the counterweight guide rails 14. This structure allows the counterweight device body 1 to move and engage with the counterweight guide rails 14 through the counterweight guide shoes 4, realizing the anti-fall counterweight device body 1's... The movement is limited, and the counterweight guide rail 14 ensures that the main body 1 of the counterweight device moves smoothly and safely up and down in the well. The oil cup 3 lubricates the movement between the counterweight guide shoe 4 and the counterweight guide rail 14, and also reduces friction, cools, and protects parts from corrosion. Counterweight blocks 13 are provided between the counterweight frames 12. Wheel covers 2 are fixed at the upper ends between the upper beam plates 11, and side ropes 6 are symmetrically connected between the upper beam plates 11. Lower ropes 10 are also provided at the lower ends between the upper beam plates 11. The wheel covers 2, side ropes 6, and lower ropes 10 are all U-shaped bent structures. The width of the wheel cover 2 is smaller than the diameter of the wheel groove of the counterweight wheel 5. The bottom surfaces of the U-shaped structures of the guide rope 6 and the lower guide rope 10 are fitted with the counterweight wheel 5 with clearance. This structure of the wheel cover 2 can effectively cover the area above the counterweight wheel 5, preventing debris from falling into the groove of the counterweight wheel 5 and causing the wire rope to jump out of the groove, thus ensuring the safe operation of the main body 1 of the counterweight device. The wheel cover 2, the side guide rope 6, and the lower guide rope 10 all have elongated holes on both sides of their U-shaped structures, and these holes are bolted to the upper beam plate 11. This structure allows the clearance between the bottom surfaces of the U-shaped structures of the wheel cover 2, the side guide rope 6, and the lower guide rope 10 and the counterweight wheel 5 to be adjustable, thereby preventing the movement of the wire rope from being obstructed. A counterweight wheel runs through the inside of the counterweight wheel 5. The counterweight wheel axle 8 has axle retaining plates 7 and axle end baffles 9 at both ends. The axle retaining plates 7 are engaged with the upper end of the counterweight wheel axle 8, and the inner side of the axle retaining plates 7 and the axle end baffles 9 are fastened together. This structure allows the axle retaining plates 7 to be further positioned and stabilized by the axle end baffles 9, ensuring that the counterweight wheel axle 8 is not easily rotated. The counterweight wheel axle 8 has holes and taps at both ends, and the counterweight wheel axle 8 and the axle end baffles 9 are fixed by bolts. This structure fixes the end of the counterweight wheel axle 8 by the axle end baffles 9, which can ensure a stable connection between the counterweight wheel axle 8 and the upper beam plate 11, so that the counterweight wheel 5 can run reliably, while preventing the counterweight wheel axle 8 from falling off.

[0019] Working principle: When using this elevator anti-fall counterweight device, the main body 1 of the counterweight device first operates by limiting the movement of the counterweight guide shoe 4 and the counterweight guide rail 14. The oil cup 3 serves as a lubricant. The counterweight block 13 is fixed below the upper beam plate 11 by the counterweight frame 12. The U-shaped wheel cover 2, the side rope 6, and the upper beam plate 11 are fixed together by bolts to limit and protect the wire rope on the counterweight wheel 5. At the same time, it enhances the structural strength of the upper beam plate 11, preventing the wire rope from jumping out of the groove and preventing the upper beam plate 11 from being severely deformed when jumping out of the groove. The wheel cover 2 can also prevent debris from falling into the groove of the counterweight wheel 5 and causing jumping out of the groove. The shaft clamping plate 7 performs anti-rotation positioning treatment for the counterweight wheel shaft 8, and the shaft end baffle 9 simultaneously limits and tightens the shaft clamping plate 7 and the counterweight wheel shaft 8 to prevent the shaft clamping plate 7 from breaking and detaching from the upper beam plate 11, and also to prevent the counterweight wheel shaft 8 from falling off. This achieves multiple anti-fall protection for the main body 1 of the counterweight device, thus completing a series of operations.

[0020] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. An elevator anti-falling counterweight device comprising a counterweight device body (1), characterized in that: The main body (1) of the counterweight device is symmetrically provided with upper beam plates (11), and counterweight wheels (5) with wheel grooves are installed between the upper beam plates (11). Counterweight frames (12) are connected to both sides of the upper beam plates (11), and counterweight blocks (13) are provided between the counterweight frames (12). Wheel covers (2) are fixed at the upper ends between the upper beam plates (11), and side ropes (6) are symmetrically connected between the upper beam plates (11). Lower ropes (10) are provided at the lower ends between the upper beam plates (11). The wheel covers (2), side ropes (6) and lower ropes (10) are all U-shaped bent structures. A counterweight wheel axle (8) passes through the counterweight wheel (5), and axle clamping plates (7) and axle end baffles (9) are provided at both ends of the counterweight wheel axle (8).

2. The elevator anti-falling counterweight device according to claim 1, characterized in that: The main body (1) of the counterweight device is provided with counterweight guide rails (14) symmetrically on both sides. Oil cups (3) are respectively installed on the upper end of the counterweight frame (12). The outer side of the counterweight frame (12) is fixed with counterweight guide shoes (4) by bolts, and the counterweight guide shoes (4) are engaged with the counterweight guide rails (14).

3. The elevator anti-falling counterweight device according to claim 1, characterized in that: The width of the wheel cover (2) is smaller than the diameter of the groove of the counterweight wheel (5), and the bottom surface of the U-shaped structure of the wheel cover (2), the side guard rope (6) and the lower guard rope (10) are all in clearance fit with the counterweight wheel (5).

4. The elevator anti-falling counterweight device according to claim 3, characterized in that: The wheel cover (2), side rope (6) and lower rope (10) have elongated holes on both sides of their U-shaped structures, and the wheel cover (2), side rope (6) and lower rope (10) are bolted to the upper beam plate (11) through the elongated holes.

5. The elevator anti-falling counterweight device according to claim 1, characterized in that: The axle clamp (7) is engaged above the end of the counterweight wheel axle (8), and the axle clamp (7) is fastened to the inner side of the axle end baffle (9).

6. The elevator anti-falling counterweight device according to claim 1, characterized in that: The counterweight wheel shaft (8) has holes tapped at both ends, and the counterweight wheel shaft (8) is fixed to the shaft end baffle (9) by bolts.

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