Rotary elevator traction steel wire rope stress self-balancing device
The rotary elevator traction wire rope force self-balancing device solves the problem of uneven force on the elevator traction wire rope at different positions. By releasing torque through bearings and buffer components, it achieves balanced force on the wire rope, reduces wear, and extends service life.
Patent Information
- Application Number
- CN202520509196.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-21
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-21
AI Technical Summary
Uneven stress on elevator traction steel wire ropes at different positions leads to inconsistent wear, failure to release torsional force, and shortened service life.
A rotary elevator traction steel wire rope force self-balancing device is adopted, including bearing housing, U-shaped steel plate, wedge sleeve and buffer assembly. The elastic force is adjusted by spring and nut to release torque and buffer the force on the steel wire rope.
This achieves balanced stress on the wire rope, reduces wear, extends service life, and improves maintenance efficiency.
Smart Images
Figure CN223950552U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to elevator traction steel wire rope technical field, especially a rotating elevator traction steel wire rope stress self -balancing device. BACKGROUND
[0002] Traction drive elevator structure is that traction machine drives traction steel wire rope through friction force to make the car and counterweight suspended on the steel wire rope run up and down along the steel guide rail in the shaft, since the installation position of traction sheave, guide wheel, car reverse sheave, counterweight reverse sheave, rope head and other components is fixed, the wrap angle of each traction steel wire rope on the wheel groove passed in the car at different positions in the process of elevator operation will change, cannot keep the relative position (or initial installation position) unchanged, there is a certain angle of inclination, especially the inclination angle of each steel wire rope at the end of rope head is not the same, so that each steel wire rope and its rope end structure force is not consistent, appears the horizontal component of force while being subjected to vertical force;Since the force is uneven, the friction between each steel wire rope and sheave is inconsistent, causing the wear of sheave groove and steel wire rope to also appear difference, the greater the stress, the more serious the wear;Since the structure, material characteristics or improper installation of steel wire rope, load change (unbalanced load), traction wheel groove wear and other reasons will cause the steel wire rope to produce torsion, since the rope end at both ends of the steel wire rope has been fixed, the torsional force of the steel wire rope cannot be released, which is more unfavorable to the stress of the steel wire rope, and the torsional force is too large to cause damage to the internal structure of the steel wire rope, accelerate wear and fatigue, and shorten the service life. The above conditions will reduce the service life of the traction steel wire rope, and the different steel wires of the same elevator are not consistent in the degree of influence, so that their service life is not the same, which is not conducive to maintenance and use. CONTENT OF THE UTILITY MODEL
[0003] The utility model aims at providing a rotating elevator traction steel wire rope stress self-balancing device which can play a buffering role when the steel wire rope is stressed.
[0004] The technical scheme of the utility model:
[0005] A rotating elevator traction steel wire rope stress self-balancing device, the method is as follows:
[0006] It comprises left and right two bearing seats, first bearings are fixed on the two bearing seats;A U-shaped steel plate is arranged between the two bearing seats, and the left and right ends of the U-shaped steel plate are connected with the corresponding first bearings through shafts;A plurality of wedge sleeves are arranged in the U-shaped steel plate, and steel wires are fixed in the wedge sleeves;Buffer assemblies are fixed on the top of the wedge sleeves.
[0007] Further, the wedge sleeve has a wedge block, the steel wire is fixed on the wedge block, and the bottom of the steel wire passes out of the bottom of the wedge sleeve.
[0008] Further, the buffer assembly comprises a buffer rod arranged at the top of the wedge sleeve, the top of the buffer rod penetrates the wedge sleeve and the U-shaped steel plate and extends above the U-shaped steel plate, and the top of the U-shaped steel plate is provided with a through hole for the buffer rod to extend and retract; a spring is arranged on the buffer rod, so that the spring can be pressed when the buffer rod retracts in the through hole.
[0009] Further, the lower end of the spring is fixed to the top of the U-shaped steel plate, and the upper end is fixedly connected with the buffer rod.
[0010] Further, the buffer rod is a screw rod, a sleeve is fixed to the top of the U-shaped steel plate above the through hole, and the screw rod is embedded in the sleeve; a nut is screwed on the screw rod, a spring is sleeved on the screw rod between the nut and the sleeve, and the lower end of the spring is fixedly connected with the sleeve; a gasket is sleeved on the screw rod between the spring and the nut, and the upper end of the spring is fixedly connected with the gasket.
[0011] Further, the buffer rod is connected with the wedge sleeve through the second bearing.
[0012] Further, the first bearing is a spherical sliding bearing, and the second bearing is a thrust bearing.
[0013] Further, the bearing seat is fixed to the top of the channel steel.
[0014] Further, the second bearing is fixed with a pressure sensor and an acceleration sensor.
[0015] The beneficial effects of the utility model are as follows:
[0016] (1) When the steel wire rope is subjected to torsion, the steel wire rope, the wedge sleeve and the U-shaped steel plate can become an integral whole and freely swing along the axial direction of the pin shaft to release the torsion.
[0017] (2) When the steel wire rope is pulled, the wedge sleeve is also subjected to force, so that the buffer rod is also subjected to force and retracts in the through hole, thereby compressing the spring and playing a buffering role.
[0018] (3) The position of the nut on the screw rod can be adjusted by rotating the nut, so that the elastic force of the spring can be adjusted; when the nut moves downward, the gasket is driven to move downward to press the spring, and when the nut moves upward, the gasket is driven to move upward to release the pressing of the spring.
[0019] The utility model can release the torsion of the steel wire rope caused by the wear of parts, the deterioration of working conditions and the like, and improve the stress state of each steel wire rope. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 is the top view of the utility model.
[0021] Figure 2 is Figure 1 A-A direction in the sectional view.
[0022] Figure 3 is Figure 1 B-B direction in the sectional view.
[0023] Figure 4 is the side view schematic diagram of the utility model. DETAILED DESCRIPTION
[0024] The utility model is further described below in combination with the drawings.
[0025] As Figures 1 to 4 The utility model provides a kind of rotating elevator traction steel wire rope stress self-balancing device, including left and right two bearing seats 1, two bearing seats 1 are all fixed with first bearing 2, when steel wire rope 6 is subjected to torsion, steel wire rope 6, wedge sleeve 5, U-shaped steel plate 3 can become an integral along the axis direction of pin shaft 4 free swing, release torsion.Two bearing seats 1 between are provided with U-shaped steel plate 3, the left and right ends of the U-shaped steel plate 3 are all connected with corresponding first bearing 2 via pin shaft 4;Multiple wedge sleeves 5 are provided in the U-shaped steel plate 3, for fixing wedge sleeve 5, steel wire rope 6 is fixed in the wedge sleeve 5;Buffering assembly 7 is fixed at the top of wedge sleeve 5, buffering effect can be played when steel wire rope 6 is stressed and pulled by buffering assembly 7.
[0026] The buffering assembly 7 includes the buffer rod 71 being set in the top of wedge sleeve 5, the top of the buffer rod 71 penetrates wedge sleeve 5 and U-shaped steel plate 3 and extends to the top of the U-shaped steel plate 3, the top of the U-shaped steel plate 3 is provided with the through hole for the buffer rod 71 telescopic, so that the buffer rod 71 can be telescopic in the through hole;Spring 72 is provided on the buffer rod 71, so as to facilitate the buffer rod 71 contraction in the through hole can extrude spring 72, when steel wire rope 6 is stressed and pulled, wedge sleeve 5 is also stressed, so that buffer rod 71 is also stressed and contracted in the through hole, to compress spring 72, play the role of buffering.
[0027] In an embodiment of the utility model, the lower end of the spring 72 is fixed at the top of the U-shaped steel plate 3, and the upper end is fixedly connected with the buffer rod 71, so that the buffer rod 71 can compress the spring 72 when being stressed and contracted in the through hole, to play the role of buffering.
[0028] In the embodiment of the utility model, the buffer rod 71 is a screw rod, the top of the U-shaped steel plate 3 is fixed with a sleeve 73 above the through hole, which is used for fixing the lower end of the spring 72, and the screw rod is embedded in the sleeve 73; the screw rod is screwed with a nut 74, the elasticity of the spring 72 can be adjusted by rotating the nut 74, the spring 72 is sleeved between the nut 74 and the sleeve 73 on the screw rod, and the lower end of the spring 72 is fixedly connected with the sleeve 73; the gasket 75 is sleeved between the spring 72 and the nut 74 on the screw rod, which is used for fixing the upper end of the spring 72, and the upper end of the spring 72 is fixedly connected with the gasket 75.
[0029] The rotation of the nut 74 can adjust the position of the nut 74 on the screw rod, so that the elasticity of the spring 72 can be adjusted; when the nut 74 moves downward, the gasket 75 is driven to move downward to extrude the spring 72, and when the nut 74 moves upward, the gasket 75 is driven to move upward to release the extrusion on the spring 72.
[0030] In the embodiment of the utility model, the wedge sleeve 5 is provided with a wedge block 8 for fixing the steel wire rope 6, the steel wire rope 6 is fixed on the wedge block 8, and the bottom of the steel wire rope 6 penetrates out of the bottom of the wedge sleeve 5.
[0031] In the embodiment of the utility model, the buffer rod 71 is connected with the wedge sleeve 5 through the second bearing 9, when the steel wire rope 6 is subjected to a torsion force, the wedge sleeve 5 can be rotated through the second bearing 9, so that the steel wire rope 6 can rotate along its own axis, and the torsion force is released.
[0032] In the embodiment of the utility model, the first bearing 2 is a spherical sliding bearing, which can better drive the steel wire rope 6 to swing freely along the axis direction of the pin shaft 4 and release the torsion force. The second bearing 9 is a thrust bearing, which can better drive the steel wire rope 6 to rotate along its own axis and release the torsion force.
[0033] In the embodiment of the utility model, the bearing seat 1 is fixed on the top of the channel steel 10 and is used for fixing the bearing seat 1.
[0034] In the embodiment of the utility model, the second bearing 9 is fixed with a pressure sensor and an acceleration sensor. The pressure sensor is used for monitoring the stress of the steel wire rope 6, and the acceleration sensor is used for monitoring the size and direction of the torque of the steel wire rope 6, when the size and direction of the torque of the steel wire rope 6 change, the acceleration and size of the second bearing 9 are changed accordingly. When the elevator control cabinet monitors one group of abnormal data in the above two groups of sensor data, the elevator cannot be started, or cannot be started after stopping at the nearest floor station and opening the floor door and the car door.
[0035] The above merely describes preferred embodiments of the present application, and should not be construed as limiting the present application. Any changes and modifications made within the scope of the present application should be included in the scope of the present application.
Claims
1. A rotating elevator hoisting rope force self-balancing device, characterized in that, Including left and right two bearing seats, two bearing seats are fixed with first bearing; U-shaped steel plate is arranged between two bearing seats, left and right ends of U-shaped steel plate are connected with corresponding first bearing through shaft; A plurality of wedge sleeves are arranged in U-shaped steel plate, steel wire rope is fixed in wedge sleeve; The top of the wedge sleeve is fixed with a buffer assembly.
2. A rotating elevator hoisting rope force self-balancing device according to claim 1, characterized in that, The wedge sleeve has a wedge block, and the steel wire rope is fixed on the wedge block. The bottom of the steel wire rope passes through the bottom of the wedge sleeve.
3. A rotating elevator hoisting rope force self-balancing device according to claim 1, characterized in that, The buffer assembly includes a buffer rod arranged at the top of the wedge sleeve. The top of the buffer rod penetrates the wedge sleeve and the U-shaped steel plate and extends above the U-shaped steel plate. The top of the U-shaped steel plate is provided with a through hole for the buffer rod to extend and retract. A spring is arranged on the buffer rod to facilitate the spring being pressed when the buffer rod retracts in the through hole.
4. A rotating elevator hoisting rope force self-balancing device according to claim 3, characterized in that, The lower end of the spring is fixed to the top of the U-shaped steel plate, and the upper end is fixedly connected with the buffer rod.
5. A rotating elevator hoisting rope force self-balancing device according to claim 3, characterized in that, The buffer rod is a screw rod, and a sleeve is fixed above the through hole at the top of the U-shaped steel plate. The screw rod is embedded in the sleeve. A nut is screwed on the screw rod. A spring is sleeved on the screw rod between the nut and the sleeve. The lower end of the spring is fixedly connected with the sleeve. A gasket is sleeved on the screw rod between the spring and the nut. The upper end of the spring is fixedly connected with the gasket.
6. A rotating elevator hoisting rope force self-balancing device according to any one of claims 3-5, characterized in that, The buffer rod is connected with the wedge sleeve through a second bearing.
7. A rotating elevator hoisting rope force self-balancing device according to claim 6, characterized in that, The first bearing is a spherical sliding bearing, and the second bearing is a thrust bearing.
8. A rotating elevator hoisting rope force self-balancing device according to claim 1, characterized in that, The bearing seat is fixed to the top of the channel steel.
9. A rotating elevator hoisting rope force self-balancing device according to claim 6, characterized in that, The second bearing is fixed with a pressure sensor and an acceleration sensor.