Elevator steel wire rope fracture detection device

Abstract

The utility model belongs to the technical field of elevator safety protection, and particularly relates to an elevator steel wire rope fracture detection device which comprises a mounting plate fixedly connected to a top plate, vertically-arranged mounting rods are fixedly connected to the four corners of the bottom face of the mounting plate, adjusting assemblies are arranged on the four mounting rods, and a plurality of rope head assemblies are arranged on the adjusting assemblies. The rope head assemblies are distributed in an array mode, the bottom ends of the rope head assemblies penetrate out of the adjusting assembly to be fixedly connected with elevator steel wire ropes, the rope head assemblies and the elevator steel wire ropes are arranged in a one-to-one correspondence mode, and triggering assemblies are arranged at the top ends of the rope head assemblies. The top ends of the trigger assemblies penetrate out of the adjusting assembly and are in one-to-one correspondence with the induction assemblies, and the induction assemblies are electrically connected with the controller. According to the elevator steel wire rope detection device, the multiple rope head assemblies, the trigger assemblies and the induction assemblies are arranged, and when the elevator steel wire rope breaks, the elevator steel wire rope which breaks down can be rapidly and accurately detected.

Description

Technical Field

[0001] The utility model belongs to the technical field of elevator safety protection, and in particular relates to an elevator wire rope break detection device. Background Art

[0002] Elevator wire rope is a special wire rope used in elevators. Its function is to connect the car and the counterweight device, and is driven by the traction machine to raise and lower the car. It bears the weight of the car, the weight of the counterweight device, the rated load, and the sum of the driving force and braking force. Elevator wire rope generally adopts a circular strand structure, composed of steel wire, rope strands and rope core, and is twisted from several steel wires.

[0003] As an important suspension device of the elevator, the wire rope bears the entire weight of the elevator car and relies on the friction of the groove wheel to drive the car up and down. It can be said that the safety of the wire rope is an important link to ensure the safe use of the elevator. Nowadays, due to the large number of elevator wire ropes, the breakage of one wire rope cannot be discovered in time, but it will accelerate the breakage of other wire ropes, posing a threat to personal safety. Utility Model Content

[0004] The utility model aims to provide an elevator wire rope break detection device to solve the above problems.

[0005] To achieve the above purpose, the utility model provides the following solutions:

[0006] A device for detecting the breakage of an elevator wire rope comprises a mounting plate fixedly connected to a top plate, the four corners of the bottom surface of the mounting plate are fixedly connected to vertically arranged mounting rods, the four mounting rods are provided with adjustment components, the adjustment components are provided with a plurality of rope head components, the plurality of rope head components are distributed in an array, the bottom end of the rope head component passes through the adjustment component and is fixedly connected to the elevator wire rope, the plurality of rope head components are arranged in a one-to-one correspondence with the elevator wire rope, the top end of the rope head component is provided with a trigger component, the bottom surface of the mounting plate is fixedly connected to a plurality of sensing components, the top ends of the plurality of trigger components pass through the adjustment component and are arranged in a one-to-one correspondence with the plurality of sensing components, and the plurality of sensing components are electrically connected to a controller.

[0007] Preferably, the adjustment assembly includes an adjustment plate and a rope head plate located below the mounting plate, the adjustment plate is located above the rope head plate, through holes are provided at the four corners of the top surfaces of the adjustment plate and the rope head plate, nuts are rotatably connected in the through holes, and the mounting rod is threadedly connected to the nuts on the adjustment plate and the rope head plate.

[0008] Preferably, the rope head assembly includes a rope head, which is slidably connected to the rope head plate, the bottom end of the rope head passes through the rope head plate and is fixedly connected to the fixed end of the elevator wire rope, the top end of the rope head passes through the rope head plate and is fixedly connected to a fixed plate, a spring is fixedly connected between the fixed plate and the rope head plate, the spring is sleeved on the outer wall of the rope head, and the trigger assembly is located on the side of the fixed plate away from the rope head.

[0009] Preferably, the trigger assembly includes a threaded sleeve fixedly connected to the top surface of the fixed plate, the threaded sleeve has an internal thread connected to a vertically arranged threaded rod, the threaded rod is slidably connected to the adjustment plate, the top end of the threaded rod passes through the adjustment plate and is fixedly connected to an extrusion block, and the extrusion block is arranged corresponding to the sensing assembly.

[0010] Preferably, the sensing component includes a mounting base fixedly connected to the bottom surface of the mounting plate, a sensing block is hingedly connected to one end of the mounting base away from the mounting plate, the sensing block is located directly above the extrusion block, a displacement sensor is fixedly connected to the side wall of the sensing block close to the extrusion block, and the displacement sensor is electrically connected to the controller.

[0011] Preferably, when the elevator wire rope is not broken, a gap is left between the extrusion block and the sensing block, and when the elevator wire rope is broken, the extrusion block squeezes the sensing block.

[0012] Preferably, a flexible pad is fixedly connected to the sides of the sensing block and the extrusion block that are close to each other.

[0013] Compared with the prior art, the utility model has the following advantages and technical effects:

[0014] The utility model can correspond to the number of elevator wire ropes by setting multiple groups of rope head components, trigger components and induction components. When the elevator wire rope breaks, the elevator wire rope with fault can be detected quickly and accurately, and timely repaired to avoid serious consequences.

[0015] When the elevator wire rope breaks, the corresponding trigger component squeezes the sensing component, and the sensing component can effectively transmit the changes to the controller, thereby quickly finding the broken elevator wire rope and improving the accuracy of the detection results. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor:

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 for Figure 1 A partial enlarged view of point A in the middle.

[0019] Among them, 1. mounting plate; 2. adjusting plate; 3. rope head plate; 4. mounting rod; 5. nut; 6. rope head; 7. spring; 8. fixing plate; 9. threaded sleeve; 10. threaded rod; 11. mounting seat; 12. sensing block; 13. extrusion block; 14. flexible pad; 15. displacement sensor. DETAILED DESCRIPTION

[0020] 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.

[0021] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0022] Reference Figure 1 to Figure 2 As shown, the utility model provides an elevator wire rope break detection device, including a mounting plate 1 fixedly connected to a top plate, four corners of the bottom surface of the mounting plate 1 are fixedly connected with vertically arranged mounting rods 4, four mounting rods 4 are provided with adjustment components, the adjustment components are provided with a plurality of rope head components, the plurality of rope head components are distributed in an array, the bottom end of the rope head component passes through the adjustment component and is fixedly connected to the elevator wire rope, the plurality of rope head components are arranged one-to-one with the elevator wire rope, a trigger component is arranged on the top of the rope head component, a plurality of sensing components are fixedly connected to the bottom surface of the mounting plate 1, the top ends of the plurality of trigger components pass through the adjustment component and are arranged one-to-one with the plurality of sensing components, and the plurality of sensing components are electrically connected to a controller.

[0023] The utility model can correspond to the number of elevator wire ropes by setting multiple groups of rope head components, trigger components and induction components. When the elevator wire rope breaks, the elevator wire rope with fault can be detected quickly and accurately, and timely repaired to avoid serious consequences.

[0024] When the elevator wire rope breaks, the corresponding trigger component squeezes the sensing component, and the sensing component can effectively transmit the changes to the controller, thereby quickly finding the broken elevator wire rope and improving the accuracy of the detection results.

[0025] A further optimized solution is that the adjustment assembly includes an adjustment plate 2 and a rope head plate 3 located below the mounting plate 1, the adjustment plate 2 is located above the rope head plate 3, through holes are opened at the four corners of the top surfaces of the adjustment plate 2 and the rope head plate 3, nuts 5 are rotatably connected in the through holes, and the mounting rod 4 is threadedly connected to the nuts 5 on the adjustment plate 2 and the rope head plate 3.

[0026] A further optimized solution is that the rope end assembly includes a rope end 6, which is slidably connected to the rope end plate 3, the bottom end of the rope end 6 passes through the rope end plate 3 and is fixedly connected to the fixed end of the elevator wire rope, the top end of the rope end 6 passes through the rope end plate 3 and is fixedly connected to a fixed plate 8, a spring 7 is fixedly connected between the fixed plate 8 and the rope end plate 3, the spring 7 is sleeved on the outer wall of the rope end 6, and the trigger assembly is located on the side of the fixed plate 8 away from the rope end 6.

[0027] A further optimized solution is that the trigger component includes a threaded sleeve 9 fixedly connected to the top surface of the fixed plate 8, the threaded sleeve 9 is internally threaded with a vertically arranged threaded rod 10, the threaded rod 10 is slidably connected to the adjustment plate 2, the top end of the threaded rod 10 passes through the adjustment plate 2 and is fixedly connected with an extrusion block 13, and the extrusion block 13 is arranged corresponding to the sensing component.

[0028] A further optimized solution is that the sensing component includes a mounting base 11 fixedly connected to the bottom surface of the mounting plate 1, and a sensing block 12 is hingedly connected to one end of the mounting base 11 away from the mounting plate 1. The sensing block 12 is located directly above the extrusion block 13, and a displacement sensor 15 is fixedly connected to the side wall of the sensing block 12 close to the extrusion block 13, and the displacement sensor 15 is electrically connected to the controller.

[0029] When the elevator wire rope breaks, the spring 7 in a compressed state will stretch and reset, thereby driving the fixed plate 8 to move upward, and the fixed plate 8 drives the threaded sleeve 9, the threaded rod 10 and the extrusion block 13 to move upward. The extrusion block 13 squeezes the sensing block 12, and the sensing block 12 rotates. The displacement sensor 15 senses the position change of the sensing block 12 and transmits the position change of the sensing block 12 to the controller. The controller makes a judgment and analyzes the specific broken elevator wire rope.

[0030] A further optimized solution is that when the elevator wire rope is not broken, a gap is left between the extrusion block 13 and the sensing block 12 , and when the elevator wire rope is broken, the extrusion block 13 squeezes the sensing block 12 .

[0031] According to a further optimized solution, a flexible pad 14 is fixedly connected to the sides of the sensing block 12 and the extrusion block 13 that are close to each other.

[0032] By providing the flexible pad 14, it is prevented that the sensing block 12 and the displacement sensor 15 are damaged due to excessive spring restoring force.

[0033] The working process of the utility model is as follows:

[0034] The utility model can correspond to the number of elevator wire ropes by setting multiple groups of rope heads 6, induction blocks 12 and extrusion blocks 13. When the elevator wire rope breaks, the elevator wire rope with fault can be detected quickly and accurately, and repaired in time.

[0035] When the elevator wire rope is not broken, there is a gap between the extrusion block 13 and the sensor block 12, and the gap is 2-4mm. When the elevator wire rope breaks, the spring 7 in the compressed state will stretch and reset, thereby driving the fixed plate 8 to move upward, and the fixed plate 8 drives the threaded sleeve 9, the threaded rod 10 and the extrusion block 13 to move upward. The extrusion block 13 squeezes the sensor block 12, and the sensor block 12 rotates. The displacement sensor 15 senses the position change of the sensor block 12 and transmits the position change of the sensor block 12 to the controller. The controller makes a judgment and analyzes the specific broken elevator wire rope.

[0036] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0037] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.

Claims

1. An elevator wire rope fracture detection device, characterized in that: It comprises a mounting plate (1) fixedly connected to a top plate, the bottom surface of the mounting plate (1) is fixedly connected to vertically arranged mounting rods (4) at four corners, the four mounting rods (4) are provided with adjustment components, the adjustment components are provided with a plurality of rope head components, the plurality of rope head components are arranged in an array, the bottom end of the rope head component passes through the adjustment component and is fixedly connected to an elevator steel wire rope, the plurality of rope head components are arranged in a one-to-one correspondence with the elevator steel wire rope, the top end of the rope head component is provided with a trigger component, the bottom surface of the mounting plate (1) is fixedly connected to a plurality of sensing components, the top ends of the plurality of trigger components pass through the adjustment component and are arranged in a one-to-one correspondence with the plurality of sensing components, and the plurality of sensing components are electrically connected to a controller.

2. The elevator wire rope breakage detection device according to claim 1, characterized in that: The adjustment assembly comprises an adjustment plate (2) and a rope head plate (3) located below the mounting plate (1); the adjustment plate (2) is located above the rope head plate (3); through holes are provided at the four corners of the top surfaces of the adjustment plate (2) and the rope head plate (3); nuts (5) are rotatably connected in the through holes; the mounting rod (4) is threadedly connected to the nuts (5) on the adjustment plate (2) and the rope head plate (3).

3. The elevator wire rope breakage detection device according to claim 2, characterized in that: The rope head assembly includes a rope head (6), the rope head (6) is slidably connected to the rope head plate (3), the bottom end of the rope head (6) passes through the rope head plate (3) and is fixedly connected to the fixed end of the elevator wire rope, the top end of the rope head (6) passes through the rope head plate (3) and is fixedly connected to a fixed plate (8), a spring (7) is fixedly connected between the fixed plate (8) and the rope head plate (3), the spring (7) is sleeved on the outer wall of the rope head (6), and the trigger assembly is located on the side of the fixed plate (8) away from the rope head (6).

4. The elevator wire rope breakage detection device according to claim 3, characterized in that: The trigger assembly comprises a threaded sleeve (9) fixedly connected to the top surface of the fixing plate (8); the threaded sleeve (9) is internally threadedly connected to a vertically arranged threaded rod (10); the threaded rod (10) is slidably connected to the adjustment plate (2); the top end of the threaded rod (10) passes through the adjustment plate (2) and is fixedly connected to an extrusion block (13); the extrusion block (13) is arranged corresponding to the sensing assembly.

5. The elevator wire rope fracture detection device according to claim 4, characterized in that: The sensing component comprises a mounting seat (11) fixedly connected to the bottom surface of the mounting plate (1); a sensing block (12) is hingedly connected to one end of the mounting seat (11) away from the mounting plate (1); the sensing block (12) is located directly above the extrusion block (13); a displacement sensor (15) is fixedly connected to the side wall of the sensing block (12) close to the extrusion block (13); and the displacement sensor (15) is electrically connected to the controller.

6. The elevator wire rope breakage detection device according to claim 5, characterized in that: When the elevator wire rope is not broken, a gap is left between the extrusion block (13) and the induction block (12); when the elevator wire rope is broken, the extrusion block (13) squeezes the induction block (12).

7. The elevator wire rope fracture detection device according to claim 5, characterized in that: The induction block (12) and the extrusion block (13) are both fixedly connected with a flexible pad (14) on one side close to each other.

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