Elevator counterweight diversion sheave device

Abstract

The utility model discloses an elevator counterweight diversion sheave device, which relates to the technical field of diversion sheaves and comprises a support plate, telescopic rods are mounted on two sides of the support plate, a moving plate is mounted at one end of each telescopic rod, a slider is mounted on one side of the moving plate, a bearing seat is mounted on the inner side of the slider, and a bearing is mounted on the inner side of the bearing seat. A pulley is installed on the inner side of the bearing seat through a connecting shaft, a threaded groove is formed in the inner side of the supporting plate in a penetrating mode, a fastening screw is connected to the inner side of the supporting plate through the threaded groove, and an assembling plate is installed at the top of the supporting plate through the fastening screw. The sliding block is installed, the telescopic rod stretches and retracts to drive the moving plate at one end to move left and right, the moving plate fixes the sliding block, stability between the sliding block and the moving plate is guaranteed, the sliding block fixes the inner side bearing seat, the bearing seat supports the inner side pulley, the length of the telescopic rod is adjusted to drive the sliding block to move, and the sliding block abuts against the outer side of the track. The inner sides of the sliding blocks guarantee that the device stably and vertically moves up and down through pulleys.

Description

Technical Field

[0001] This utility model relates to the field of counterweight reverse rope pulley technology, specifically to an elevator counterweight reverse rope pulley device. Background Technology

[0002] In elevator use, the counterweight sheave is used to balance the weight of the car, reduce the pressure on the motor, and increase the friction between the sheave and the traction sheave. The counterweight sheave needs to be fixed to the bracket during installation.

[0003] Patent document CN205312830U discloses an elevator counterweight anti-cord sheave device, which discloses "an elevator counterweight anti-cord sheave device. This elevator counterweight anti-cord sheave device includes an elevator counterweight upper beam made of I-beam steel, an anti-cord sheave, and a traction rope. The traction rope is arranged to pass around the anti-cord sheave. The elevator counterweight upper beam is equipped with an anti-cord sheave mounted on an L-shaped bracket. An installation shaft is connected to the anti-cord sheave. Both ends of the installation shaft pass through the installation holes of the bracket and are connected to pressure caps to prevent the installation shaft from falling out. A detachable guard to prevent the traction rope from getting tangled is installed on the upper surface of the elevator counterweight upper beam. The guard is located directly above the traction rope."

[0004] The existing elevator counterweight sheave device lacks an internal guide structure, making it inconvenient for users to guide the counterweight sheave device and easily causing the device to deviate. Utility Model Content

[0005] The purpose of this utility model is to provide an elevator counterweight anti-rollover sheave device to solve the technical problem mentioned in the background art that the elevator counterweight anti-rollover sheave device lacks an internal guiding structure, making it inconvenient for users to guide the anti-rollover sheave device and easily causing the device to deviate.

[0006] To achieve the above objectives, this utility model provides the following technical solution: an elevator counterweight anti-roll rope device, comprising: a support plate, telescopic rods installed on both sides of the support plate, a movable plate installed at one end of the telescopic rods, a slider installed on one side of the movable plate, a bearing seat installed on the inner side of the slider, a pulley installed on the inner side of the bearing seat via a connecting shaft, a threaded groove installed through the inner side of the support plate, a fastening screw connected to the inner side of the support plate via the threaded groove, an assembly plate installed on the top of the support plate via the fastening screw, a protective shell installed between the assembly plates, and an opening provided on the top wall of the protective shell.

[0007] Preferably, a support shaft is installed on the inner side of the movable opening, and a guide wheel is installed on the outer side of the support shaft.

[0008] Preferably, a connecting rod is installed through the inner side of the support plate, and an mounting plate is installed on the top of the support plate via the connecting rod.

[0009] Preferably, a support frame is installed between the mounting plates, and a rotating shaft is installed on the inner side of the support frame.

[0010] Preferably, a counter-rotating sheave is installed on the outer side of the rotating shaft, and four sets of equidistant limiting grooves are provided on the outer side of the counter-rotating sheave.

[0011] Preferably, the support frame is fitted with limit covers on the front and back sides, and the limit covers abut against the front and rear ends of the rotating shaft.

[0012] Preferably, a rope is movably mounted on the outer side of the anti-rope pulley via a limiting groove, and the rope is located between the guide pulleys.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] 1. This utility model is equipped with a slider. The extension and retraction of the telescopic rod drives the moving plate at one end to move left and right. The moving plate is fixed to the slider to ensure the stability between the slider and the moving plate. The slider is fixed to the inner bearing seat, and the bearing seat supports the inner pulley. The telescopic rod adjusts its length to drive the slider to move. The slider abuts against the outside of the track. The inner side of the slider is supported by the pulley to ensure that the device moves smoothly and vertically up and down.

[0015] 2. This utility model uses guide wheels and an assembly plate to fix the protective shell, ensuring its stability. The top of the protective shell has an opening that supports the inner support shaft, ensuring its smooth rotation. The support shaft supports the outer guide wheels. The two sets of guide wheels work together to limit the rope's movement, preventing vibration during rotation and ensuring smooth rope rotation. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a cross-sectional structural diagram of the present invention;

[0018] Figure 3 This is a schematic diagram of the support plate structure of this utility model;

[0019] Figure 4 This is a schematic diagram of the slider structure of this utility model;

[0020] Figure 5 This is a schematic diagram of the anti-rope wheel structure of this utility model.

[0021] In the diagram: 1. Support plate; 2. Connecting rod; 3. Mounting plate; 4. Support frame; 5. Rotating shaft; 6. Limiting cover; 7. Reverse rope wheel; 8. Limiting groove; 9. Protective shell; 10. Movable opening; 11. Support shaft; 12. Guide wheel; 13. Rope; 14. Telescopic rod; 15. Moving plate; 16. Slider; 17. Bearing seat; 18. Pulley; 19. Fastening screw; 20. Assembly plate. Detailed Implementation

[0022] 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.

[0023] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0024] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0025] Please see Figure 1 , Figure 2 , Figure 3 and Figure 4 An elevator counterweight anti-roll rope device includes: a support plate 1, telescopic rods 14 installed on both sides of the support plate 1, a movable plate 15 installed at one end of the telescopic rods 14, a slider 16 installed on one side of the movable plate 15, a bearing seat 17 installed on the inner side of the slider 16, and a pulley 18 installed on the inner side of the bearing seat 17 via a connecting shaft.

[0026] The support plate 1 is fixed to the telescopic rods 4 on both sides to ensure the stability of the telescopic rods 4. The extension and retraction of the telescopic rods 4 drive the moving plate 15 at one end to move left and right. The moving plate 15 is fixed to the slider 16 to ensure the stability between the slider 16 and the moving plate 15. The slider 16 is fixed to the inner bearing seat 17. The bearing seat 17 supports the inner pulley 18. The telescopic rod 4 adjusts its length to drive the slider 16 to move. The slider 16 abuts against the outside of the track. The inner side of the slider 16 is supported by the pulley 18 to ensure that the device moves smoothly and vertically up and down.

[0027] Please see Figure 1 , Figure 2 , Figure 3 and Figure 4 The inner side of the support plate 1 is provided with a threaded groove, and the inner side of the support plate 1 is connected to a fastening screw 19 through the threaded groove. An assembly plate 20 is installed on the top of the support plate 1 through the fastening screw 19. A protective shell 9 is installed between the assembly plates 20. The top wall of the protective shell 9 has an opening 10. A support shaft 11 is installed on the inner side of the opening 10, and a guide wheel 12 is installed on the outer side of the support shaft 11.

[0028] The support plate 1 is fixed to the inner threaded groove to ensure the stability of the threaded groove. The inner side of the threaded groove is connected to the fastening screw 19 by the thread for easy installation of the fastening screw 19. The fastening screw 19 limits the outer assembly plate 20. The assembly plate 20 fixes the protective shell 9 to ensure the stability of the protective shell 9. The top of the protective shell 9 has an opening 10, which supports the inner support shaft 11 to ensure the smooth rotation of the support shaft 11. The support shaft 11 supports the outer guide wheel 12. The two sets of guide wheels 12 cooperate to limit the rope 13 to prevent vibration during the rotation of the rope 13 and ensure the smooth rotation of the rope 13.

[0029] Please see Figure 1 , Figure 2 , Figure 3 and Figure 4 A connecting rod 2 is installed through the inner side of the support plate 1. An mounting plate 3 is installed on the top of the support plate 1 through the connecting rod 2. A support frame 4 is installed between the mounting plates 3. A rotating shaft 5 is installed on the inner side of the support frame 4. Limiting covers 6 are installed on the front and back of the support frame 4. The limiting covers 6 abut against the front and rear ends of the rotating shaft 5. A reverse rope wheel 7 is installed on the outer side of the rotating shaft 5. Four sets of equidistant limiting grooves 8 are opened on the outer side of the reverse rope wheel 7. A rope 13 is movably installed on the outer side of the reverse rope wheel 7 through the limiting grooves 8. The rope 13 is located between the guide wheels 12.

[0030] The top of the support plate 1 is connected to the mounting plate 3 via the connecting rod 2, which facilitates the user's connection of the mounting plate 3 and the setting of the mounting plate 3. It also facilitates the user's assembly of the support plate 1 and the mounting plate 3. The mounting plate 3 fixes the support frame 4, ensuring the stability of the support frame 4. The support frame 4 supports the inner rotating shaft 5, ensuring the smooth rotation of the rotating shaft 5. The rotating shaft 5 supports the outer anti-cord wheel 7, and the anti-cord wheel 7 limits the outer limiting groove 8. The limiting groove 8 limits the inner rope 13, ensuring that the rotation of the rope 13 drives the inner anti-cord wheel 7 to rotate. The anti-cord wheel 7 drives the rotating shaft 5 to rotate, ensuring the smooth rotation of the anti-cord wheel 7.

[0031] Working principle: The support plate 1 fixes the telescopic rods 4 on both sides to ensure the stability of the telescopic rods 4. The extension and retraction of the telescopic rods 4 drive the moving plate 15 at one end to move left and right. The moving plate 15 fixes the slider 16 to ensure the stability between the slider 16 and the moving plate 15. The slider 16 is fixed to the inner bearing seat 17, and the bearing seat 17 supports the inner pulley 18. The telescopic rod 4 adjusts its length to drive the slider 16 to move. The slider 16 abuts against the outside of the track. The inner side of the slider 16 is supported by the pulley 18 to ensure the device moves smoothly and vertically up and down. The support plate 1 fixes the inner threaded groove to ensure the stability of the threaded groove. The inner side of the threaded groove is connected to the fastening screw 19 through threads for easy installation of the fastening screw 19. The fastening screw 19 limits the outer assembly plate 20. The mounting plate 20 fixes the protective shell 9 to ensure its stability. The top of the protective shell 9 has an opening 10, which supports the inner support shaft 11 to ensure its smooth rotation. The support shaft 11 supports the outer guide wheel 12. The two sets of guide wheels 12 cooperate to limit the rope 13 to prevent vibration during its rotation and ensure its smooth rotation. The support frame 4 supports the inner rotating shaft 5 to ensure its smooth rotation. The rotating shaft 5 supports the outer anti-rope wheel 7, which limits the outer limiting groove 8. The limiting groove 8 limits the inner rope 13, ensuring that the rotation of the rope 13 drives the inner anti-rope wheel 7 to rotate. The anti-rope wheel 7 drives the rotating shaft 5 to rotate, ensuring its smooth rotation.

[0032] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. An elevator counterweight rope reversal pulley arrangement, characterized by Include: Supporting plate (1), both sides of the supporting plate (1) are provided with telescopic rods (14), one end of the telescopic rod (14) is provided with a moving plate (15), one side of the moving plate (15) is provided with a sliding block (16), the inner side of the sliding block (16) is provided with a bearing seat (17), the inner side of the bearing seat (17) is provided with a pulley (18) through a connecting shaft, the inner side of the supporting plate (1) is provided with a threaded groove, the inner side of the supporting plate (1) is connected with a fastening screw (19) through the threaded groove, the top of the supporting plate (1) is provided with an assembly plate (20) through the fastening screw (19), the assembly plate (20) is provided with a protective shell (9) between them, and the top wall of the protective shell (9) is provided with a movable port (10).

2. An elevator counterweight rope reversal pulley arrangement according to claim 1, characterized in that: The inner side of the movable port (10) is provided with a supporting shaft (11), and the outer side of the supporting shaft (11) is provided with a guide wheel (12).

3. An elevator counterweight rope reversal pulley arrangement according to claim 1, characterized in that: The inner side of the supporting plate (1) is provided with a connecting rod (2), and the top of the supporting plate (1) is provided with a mounting plate (3) through the connecting rod (2).

4. An elevator counterweight rope reversal pulley arrangement according to claim 3, characterized in that: The mounting plate (3) is provided with a supporting frame (4) between them, and the inner side of the supporting frame (4) is provided with a rotating shaft (5).

5. An elevator counterweight rope reversal pulley arrangement according to claim 4, characterized in that: The outer side of the rotating shaft (5) is provided with a reverse rope wheel (7), and the outer side of the reverse rope wheel (7) is provided with four groups of equidistant limiting grooves (8).

6. An elevator counterweight rope reversal pulley arrangement according to claim 4 wherein: The front and back of the supporting frame (4) is provided with a limiting cover (6), and the limiting cover (6) abuts against the front end and the rear end of the rotating shaft (5).

7. An elevator counterweight rope reversal pulley arrangement according to claim 5 wherein: The outer side of the reverse rope wheel (7) is movably provided with a rope (13) through the limiting groove (8), and the rope (13) is located between the guide wheels (12).

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