Looseness and breakage detection assembly for steel wire rope of elevator

Abstract

The utility model relates to the technical field of elevator steel wire rope detection, and discloses an elevator steel wire rope loosening and breaking detection assembly which comprises a first motor, the fixed output end of the first motor is fixedly connected with a traction wheel, the outer side of the traction wheel is fixedly connected with a quick release mechanism, and the quick release mechanism comprises a first shell. The inner side of the first shell is fixedly connected with a first limiting ring, the outer side of the first limiting ring is slidably connected with a first sleeve spring, the first limiting ring is slidably connected with a first collision column, the outer side of the first shell is fixedly connected with a sliding assembly used for limiting, and the sliding assembly is slidably connected with a second shell. The inner side of the second shell is fixedly connected with a first limiting ring, and the first limiting ring is slidably connected with a second sleeve spring. According to the utility model, when a damaged sensor is replaced, by means of cooperation of the collision column and the spring, operation can be convenient and fast, resetting of parts can be guaranteed, and the convenience and efficiency of use and maintenance of the detection assembly are improved on the whole.

Description

TECHNICAL FIELD

[0001] The utility model relates to elevator steel wire rope detection technical field especially, relate to a kind of loose break detection subassembly of elevator steel wire rope. BACKGROUND

[0002] In daily life, as a kind of vertical traffic tool, elevator has been widely applied in modern society, and the safety and reliability of elevator steel wire rope, as the core load-bearing component of elevator, are directly related to the overall performance of elevator and the safety of passengers. However, due to the high frequency use of elevator and various complex working environments, the steel wire rope is prone to wear, rust, broken wire and other problems. If these problems are not discovered and handled in time, it will pose a serious threat to the safe operation of the elevator. Therefore, a detection subassembly for detecting loose break will be used.

[0003] The loose break detection subassembly of elevator steel wire rope mainly consists of a sensor, a controller and an alarm device. Through the close cooperation of the sensor, the controller and the alarm device, the loose break detection subassembly of elevator steel wire rope realizes real-time monitoring and early warning of the state of elevator steel wire rope.

[0004] In the prior art, the sensor is often fixed on the top of the car, which is inconvenient for maintenance and inspection and cannot be quickly replaced when damaged. Moreover, the sensor often fails and is damaged in humid air. Therefore, a loose break detection subassembly of elevator steel wire rope is proposed to solve the above problems. SUMMARY

[0005] To make up for the above shortcomings, the utility model provides a loose break detection subassembly of elevator steel wire rope, aiming to improve the maintenance and replacement of the sensor in the prior art and the protection of the inductor.

[0006] To achieve the above purpose, the utility model adopts the following technical scheme: a loose break detection subassembly of elevator steel wire rope, comprising a motor one, the fixed output end of the motor one is fixedly connected with a traction sheave, the outer side of the traction sheave is fixedly connectable with a rotating assembly, the outer side of the rotating assembly is rotatably connected with a support rod, the top of the support rod is fixedly connected with a support plate, the inner side of the support plate is fixedly connected with a quick release mechanism, the outer side of the quick release mechanism is fixedly connected with a protective shell, the outer side of the protective shell is fixedly connected with an extension mechanism.

[0007] The quick release mechanism comprises an outer shell one, the outer side of the outer shell one is fixedly connected to the inner side of the support plate, the inner side of the outer shell one is fixedly connected to a limiting ring one, the outer side of the limiting ring one is slidably connected to a sleeve spring one, the inner side of the limiting ring one is slidably connected to a collision column one, the outer side of the outer shell one is fixedly connected to a sliding assembly for limiting, the inner side of the sliding assembly is slidably connected to an outer shell two, the inner side of the outer shell two is fixedly connected to a limiting ring one, the inner side of the limiting ring one is slidably connected to a sleeve spring two;

[0008] As a further description of the above technical scheme: the sliding assembly comprises a limiting ring two, the outer side of the limiting ring two is fixedly connected to the outer side of the outer shell one, the inner groove of the limiting ring two is slidably connected to a ball, the outer side of the limiting ring two is slidably connected to a compression spring, and the outer side of the limiting ring two is slidably connected to a sliding ring.

[0009] As a further description of the above technical scheme: the outer side of the ball is slidably connected to the inner side of the sliding ring, the outer side of the ball, i.e. the side away from the sliding ring, is slidably connected to an outer shell two, and the outer side of the outer shell two is fixedly connected to a protective shell.

[0010] As a further description of the above technical scheme: the outer side of the collision column one is slidably connected to the outer side of the sleeve spring one, and the outer side of the limiting ring one in the inner side of the outer shell two is slidably connected to a collision column two.

[0011] As a further description of the above technical scheme: the rotating assembly comprises a traction steel wire, the outer side of the traction wheel is rotatably connected to the outer side of the traction steel wire, the outer side of the traction steel wire is rotatably connected to a tensioning wheel, and the outer side of the tensioning wheel is rotatably connected to the outer side of the support rod.

[0012] As a further description of the above technical scheme: the telescopic mechanism comprises a motor two, the bottom of the motor two is fixedly connected to the top of the protective shell, the fixed output end of the motor two is fixedly connected to a rotating disc, the bottom of the rotating disc is fixedly connected to a connecting column, the bottom of the connecting column is fixedly connected to a sliding rod, and the outer side of the sliding rod is slidably connected to a limiting assembly.

[0013] As a further description of the above technical scheme: the limiting assembly comprises a limiting block, the inner side of the limiting block is slidably connected to the outer side of the sliding rod, and the top of the limiting block is fixedly connected to the inner side of the protective shell.

[0014] As a further description of the above technical scheme: the outer side of the sliding rod, i.e. the side away from the limiting block, is fixedly connected to a tension pressure sensor, and the outer side of the protective shell is fixedly connected to an alarm.

[0015] The utility model has the advantages that:

[0016] 1、The utility model discloses a convenient operation and guarantee component reset, benefit maintenance to the damaged sensor when replacing, maintain stable operation under normal condition through the effective location of relevant components by the limiting ring. Reduce the sliding friction of the shell, convenient quick -release operation can replace the tension pressure sensor quickly, improve the convenience and efficiency of the detection assembly use and maintenance as a whole.

[0017] 2、The utility model discloses a motor two, rotating disc etc. constitute the structure can realize the effective monitoring of the tension change of steel wire rope, guarantee monitoring accuracy through the location. Can accommodate protection tension pressure sensor when not using, prolong its life. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a three -dimensional schematic view of the loose break detection assembly of elevator steel wire rope that the utility model proposes;

[0019] Figure 2 It is the structure schematic view of the support plate of the loose break detection assembly of elevator steel wire rope that the utility model proposes;

[0020] Figure 3 It is Figure 2 The enlarged view of A in the middle;

[0021] Figure 4 It is the structure schematic view of the connecting column of the loose break detection assembly of elevator steel wire rope that the utility model proposes.

[0022] LEGEND:

[0023] 1, motor one;2, traction sheave;3, tension pulley;4, support rod;5, support plate;6, traction steel wire;7, shell one;8, limiting ring one;9, sleeve spring one;10, impact column one;11, limiting ring two;12, pressure spring;13, sliding ring;14, ball;15, shell two;16, protective shell;17, sleeve spring two;18, impact column two;19, alarm;20, motor two;21, rotating disc;22, connecting column;23, sliding rod;24, limiting block;25, tension pressure sensor. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0025] Refer toFigures 1 to 3 The utility model provides an embodiment: a kind of slack detection subassembly of elevator steel wire rope, fixed output end of motor one 1 is fixedly connected with drag theory 2, motor one 1 drives drag theory 2 to rotate, drag theory 2 realizes the traction effect to elevator by the friction force with drag steel wire 6, the outside fixed of drag theory 2 can be connected with rotating assembly, the outside rotationally connected of rotating assembly has support rod 4, support rod 4 plays the role of support and connection and connects rotating assembly with support plate 5, the top fixed connection of support rod 4 has support plate 5, the inside fixed of support plate 5 is connected with quick release mechanism, support plate 5 provides mounting platform for quick release mechanism and the like components, the outside fixed of quick release mechanism has protective shell 16, the outside fixed of protective shell 16 has telescopic mechanism, protective shell 16 protects the internal component of detection subassembly, prevent external factor from causing damage to it;

[0026] Quick release mechanism includes shell one 7, shell one 7 provides the space of movement for other components in the inside, the inside fixed of shell one 7 is connected in the inside of support plate 5, the inside fixed of shell one 7 is connected with limit ring one 8, ensure that it does not deviate from the position predetermined in working process, the outside sliding connection of limit ring one 8 has sleeve spring one 9, sleeve spring one 9 provides elastic restoring force so that collision column one 10 can quickly restore to initial position after being subjected to external force, the inside sliding connection of limit ring one 8 has collision column one 10, collision column one 10 collides with external component, transmits detection signal, limit ring one 8 is positioned to sleeve spring one 9 and collision column one 10, the outside fixed of shell one 7 is connected with sliding assembly for limiting, the inside sliding connection of sliding assembly has shell two 15, shell two 15 constitutes the shell part of quick release mechanism, simultaneously connect protective shell 16, the inside fixed of shell two 15 is connected with limit ring one 8, the inside sliding connection of limit ring one 8 has sleeve spring two 17, sleeve spring two 17 provides elastic restoring force so that collision column two 18 can quickly restore to initial position after being subjected to external force;

[0027] The sliding assembly comprises a limiting ring two 11, the outer side of the limiting ring two 11 is fixedly connected to the outer side of the shell one 7, the inner groove of the limiting ring two 11 is slidably connected with the ball 14, the limiting ring two 11 is the main limiting component of the sliding assembly, and the inner groove is designed to accommodate the ball 14, providing a track for the rolling of the ball 14; the ball 14 rolls between the limiting ring two 11 and the sliding ring 13, reducing the sliding friction between the shell one 7 and the shell two 15, so that the shell two 15 can smoothly slide relative to the shell one 7; the outer side of the limiting ring two 11 is slidably connected with the pressure spring 12, which provides pressure to ensure the stability of the sliding of the ball 14 and the limiting ring two 11 and the sliding ring 13; the outer side of the limiting ring two 11 is slidably connected with the sliding ring 13. The outer side of the ball 14 is slidably connected to the inner side of the sliding ring 13, and the sliding ring 13 cooperates with the ball 14 to realize the relative sliding between the shell one 7 and the shell two 15; the outer side of the ball 14, i.e. the side away from the sliding ring 13, is slidably connected with the shell two 15, and the outer side of the shell two 15 is fixedly connected with the protective shell 16. The outer side of the collision column one 10 is slidably connected to the outer side of the sleeve spring one 9, and the outer side of the limiting ring one 8 is slidably connected with the collision column two 18 on the inner side of the shell two 15. The collision column two 18 collides with the collision column one 10.

[0028] Referring to Figure 1 、 Figure 4 , the rotating assembly comprises a traction wire 6, the outer side of the traction wheel 2 is rotatably connected to the outer side of the traction wire 6, the outer side of the traction wire 6 is rotatably connected with the tensioning wheel 3, the tensioning wheel 3 keeps the tension of the traction wire 6 stable to ensure the safety and stability of the elevator operation, the traction wire 6 connects the traction wheel 2 and the tensioning wheel 3 to transmit power and realize the traction function of the elevator, the outer side of the tensioning wheel 3 is rotatably connected to the outer side of the support rod 4, and the support rod 4 is used to connect the tensioning wheel 3 to make it rotate. The telescopic mechanism comprises a motor two 20, the bottom of the motor two 20 is fixedly connected to the top of the protective shell 16, the fixed output end of the motor two 20 is fixedly connected with a rotating disc 21, the motor two 20 drives the rotating disc 21, the bottom of the rotating disc 21 is fixedly connected with a connecting column 22, the connecting column 22 is used to convert the circular motion of the rotating disc 21 into back and forth sliding, the bottom of the connecting column 22 is fixedly connected with a sliding rod 23, and the outer side of the sliding rod 23 is slidably connected with a limiting assembly;

[0029] The limiting assembly comprises a limiting block 24 for limiting the movement range of the sliding rod 23, ensuring that the sliding rod 23 does not deviate from the predetermined track when performing linear motion in the telescopic mechanism, the inner side of the limiting block 24 is slidingly connected to the outer side of the sliding rod 23, and the top of the limiting block 24 is fixedly connected to the inner side of the protective shell 16. The outer side of the sliding rod 23, i.e. the side away from the limiting block 24, is fixedly connected with a tension pressure sensor 25, which monitors the tension change of the elevator steel wire in real time, and sends an alarm signal when the tension exceeds the preset safety range, reminding the staff to timely overhaul and maintain. The sliding rod 23 is used for connecting the tension pressure sensor 25, which can monitor the tension change of the elevator steel wire in real time, and the outer side of the protective shell 16 is fixedly connected with an alarm 19.

[0030] Working principle: the motor 1 drives the traction sheave 2 to rotate, and the rotation of the traction sheave 2 is connected with the tension pulley 3, which will pull the traction steel wire 6 to move, thereby realizing the traction of the elevator car, enabling the elevator to run up and down along the guide rail, and the support rod 4 connects the rotating assembly and the support plate 5 above, and the support plate 5 is normally installed and functions as a quick release mechanism;

[0031] When it is necessary to replace the sensor to detect damage, the protective shell 16 is pushed, so that the collision column II 18 contacts the collision column I 10 and applies an external force under the limiting action of the limiting ring I 8, the collision column I 10 slides inward along the limiting ring I 8 to compress the sleeve spring I 9 to store elastic potential energy, and after the external force disappears, the sleeve spring I 9 pushes the collision column I 10 back to the initial position quickly by virtue of the elastic restoring force, and the limiting ring I 8 on the inner side of the shell I 7 limits the collision column I 10 and the sleeve spring I 9 sleeved on the outer side of the collision column I 10, so that the collision column I 10 can slide within a limited range in a normal state, and the sleeve spring I 9 is in a natural stretched state. The limiting ring II 11 is fixed on the outer side of the shell I 7, the internal groove provides a rolling track for the ball 14, the sliding ring 13 on the outer side applies pressure to the ball 14 in cooperation with the elastic force of the pressure spring 12, ensuring that the ball 14 is always in close contact with the groove of the collision column II 18. When quick release operation is needed or relative displacement occurs due to various forces during the operation of the detection assembly, the shell II 15 is pushed outward, at this time the ball 14 rolls between the limiting ring II 11 and the sliding ring 13, greatly reducing the sliding friction force between the two, so that the shell II 15 can smoothly slide relative to the shell I 7, thereby realizing the function of quickly replacing the tension pressure sensor.

[0032] In the elevator steel wire rope breakage detection assembly, the motor 20 drives the rotating disc 21 to rotate. The connecting column 22 at the bottom of the rotating disc 21 converts the circular motion of the rotating disc 21 into the linear motion of the sliding rod 23, and the sliding rod 23 is limited downwards through the limiting block 24. The tension pressure sensor 25 can monitor the tension change of the elevator steel wire rope in real time, and the tension pressure sensor 25 is protected in the protection shell 16 when not in use. When the tension of the steel wire rope exceeds the preset safety range, the tension pressure sensor 25 sends a signal to the alarm 19, triggers the alarm 19 to issue an audible and light alarm, reminds the staff to timely overhaul and maintenance, and guarantees the safety of the elevator operation.

[0033] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A slack rope detection assembly for an elevator steel wire rope, comprising a motor (1), characterized in that: The fixed output end of the motor one (1) is fixedly connected with a traction wheel (2), the outer side of the traction wheel (2) is fixedly connected with a rotating assembly, the outer side of the rotating assembly is rotatably connected with a support rod (4), the top of the support rod (4) is fixedly connected with a support plate (5), the inner side of the support plate (5) is fixedly connected with a quick release mechanism, the outer side of the quick release mechanism is fixedly connected with a protective shell (16), and the outer side of the protective shell (16) is fixedly connected with a telescopic mechanism. The quick release mechanism comprises a shell one (7), the outer side of the shell one (7) is fixedly connected to the inner side of the support plate (5), the inner side of the shell one (7) is fixedly connected with a limiting ring one (8), the outer side of the limiting ring one (8) is slidably connected with a sleeve spring one (9), the inner side of the limiting ring one (8) is slidably connected with a collision column one (10), and the outer side of the shell one (7) is fixedly connected with a sliding assembly for limiting.

2. The elevator steel wire rope break detection assembly according to claim 1, characterized in that: The sliding assembly comprises a limiting ring two (11), the outer side of the limiting ring two (11) is fixedly connected to the outer side of the shell one (7), the inner groove of the limiting ring two (11) is slidably connected with a ball (14), the outer side of the limiting ring two (11) is slidably connected with a compression spring (12), and the outer side of the limiting ring two (11) is slidably connected with a sliding ring (13).

3. The elevator steel wire rope break detection assembly according to claim 2, characterized in that: The outer side of the ball (14) is slidably connected to the inner side of the sliding ring (13), the outer side of the ball (14) is slidably connected with a shell two (15) away from the sliding ring (13), and the outer side of the shell two (15) is fixedly connected with a protective shell (16).

4. The elevator steel wire rope break detection assembly according to claim 3, characterized in that: The outer side of the collision column one (10) is slidably connected to the outer side of the sleeve spring one (9), and the outer side of the limiting ring one (8) is slidably connected with a collision column two (18) on the inner side of the shell two (15).

5. The elevator steel wire rope break detection assembly of claim 1, wherein: The rotating assembly comprises a traction steel wire (6), the outer side of the traction wheel (2) is rotatably connected to the outer side of the traction steel wire (6), the outer side of the traction steel wire (6) is rotatably connected with a tensioning wheel (3), and the outer side of the tensioning wheel (3) is rotatably connected to the outer side of the support rod (4).

6. The elevator steel wire rope break detection assembly of claim 1, wherein: The telescopic mechanism comprises a motor two (20), the bottom of the motor two (20) is fixedly connected to the top of the protective shell (16), the fixed output end of the motor two (20) is fixedly connected with a rotating disc (21), the bottom of the rotating disc (21) is fixedly connected with a connecting column (22), the bottom of the connecting column (22) is fixedly connected with a sliding rod (23), and the outer side of the sliding rod (23) is slidably connected with a limiting assembly.

7. The elevator steel wire rope break detection assembly of claim 6, wherein: The limiting assembly comprises a limiting block (24), the inner side of the limiting block (24) is slidably connected to the outer side of the sliding rod (23), and the top of the limiting block (24) is fixedly connected to the inner side of the protective shell (16).

8. The elevator steel wire rope break detection assembly of claim 7, wherein: The outer side of the sliding rod (23) away from the limiting block (24) is fixedly connected with a tension pressure sensor (25), and the outer side of the protective shell (16) is fixedly connected with an alarm (19).

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