Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B66—HOISTING; LIFTING; HAULING
  • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
  • B66B7/00—Other common features of elevators
  • B66B7/06—Arrangements of ropes or cables
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B66—HOISTING; LIFTING; HAULING
  • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
  • B66B7/00—Other common features of elevators
  • B66B7/06—Arrangements of ropes or cables
  • B66B7/068—Cable weight compensating devices
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B66—HOISTING; LIFTING; HAULING
  • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
  • B66B7/00—Other common features of elevators
  • B66B7/06—Arrangements of ropes or cables
  • B66B7/10—Arrangements of ropes or cables for equalising rope or cable tension

Definitions

• the invention relates to an improvement of a equalizing device for a steel wire rope set for an elevator, in particular to a five-node of an elevator wire rope group capable of adjusting the force of five sets of steel wire ropes and achieving the same force of each set of steel wire ropes Force device.
• the traction elevator suspension lifting system is composed of main components such as a traction sheave, a wire rope set, a car, a balance block system, and the traction elevator suspension system.
• the friction generated by each wire rope in the wire rope group is wound in the groove of the traction sheave to provide the car lifting or lowering power; under the continuous development of the elevator driving technology, the lifting height and the traveling speed of the elevator have Great improvement, but also put forward higher requirements for the safety and reliability of the elevator itself.
• the force of each wire rope in the wire rope set should be the same, and the shape and size of the groove used to wind the wire rope on the traction sheave should also be reasonable; but in actual use, due to For some reasons, the force of each wire rope in the wire rope group is different. This will cause some steel wire ropes to be stressed, and some steel wire ropes have small force; between the steel wire rope with strong force and the groove on the corresponding traction wheel The frictional force will be relatively large, which will cause the friction of the groove on the corresponding traction sheave to be more severe. When the time is long, the shape and size of the groove on the corresponding traction sheave will be changed, resulting in The force of the wire rope work is getting bigger and bigger.
• the traction sheave is about 100 ⁇ .
• the steel wire rope should be less than 31.4 mm, after the test, it is found that the 3 wire rope should be more than 3000 cattle; when the wire rope is in the wire rope
• the force is uneven, the creeping phenomenon occurs between the wire rope and the traction sheave with small force.
• the creep between the wire rope and the traction sheave causes the wire rope and the traction sheave to wear. The higher the floor, the more serious the above situation.
• the object of the present invention is to provide a five-node equalizing device capable of adjusting the forces of five sets of steel wire ropes and achieving the same force for each set of wire ropes to achieve the same set of elevator wire ropes in order to overcome the deficiencies of the prior art.
• a five-node equalizing device for an elevator wire rope set comprising a balance seat, a 2-node uniform force component, and a 3-node equal force component;
• the balance seat is swingably disposed On the base;
• the 2-node uniform force assembly is swingably disposed at one end of the balance seat;
• the 3-node equal force assembly is swingably disposed at the other end of the balance seat;
• the 2-node uniform force assembly is along the center thereof
• Two first spherical nodes are symmetrically disposed; the center of oscillation of the two-node uniform force component is located on a central surface thereof; a center of each first spherical node is provided with a first pass; the first through hole Used to install a wire rope;
• the three-node equal force component is provided with three second spherical nodes;
• the three second spherical nodes are not on the same straight line;
• the bottom of the balance seat is provided with a first spherical protrusion;
• the base is provided with a first spherical cavity;
• the first spherical protrusion is placed into the first spherical cavity, the first spherical protrusion It can swing around the first spherical cavity.
• a lower portion of the 2-node uniform force assembly is provided with a swing frame; a center surface of the 2-node uniform force assembly coincides with a center surface of a swing frame disposed thereon; and a bottom portion of the swing frame is provided with a second a spherical protrusion; one end of the balance seat is provided with a second spherical cavity; the other end is provided with a third spherical cavity; the second spherical protrusion is disposed in the second spherical cavity; the second spherical protrusion can be wound a second spherical cavity swing; a lower portion of the 3-node uniform force assembly is provided with a third spherical protrusion; a center of the third spherical convex swing is located at a center of gravity passing through the 3-node uniform force component and a vertical 3-node uniform force component The third spherical protrusion is disposed in a third sp
• the two-node uniform force component is symmetrically disposed with two fourth spherical cavities along its central plane; each of the fourth spherical cavities is provided with a first spherical node, and each of the first spherical nodes can be wound A fourth spherical cavity swing of the first spherical node is set.
• the 2-node uniform force component is provided with a first screw rolling, and the swinging bracket can be fixed to the lower part of the 2-node uniform force component through the first screw hole.
• the three-node uniform force component is provided with three fifth spherical cavities; that the three fifth spherical cavities are not collinear; each fifth spherical cavity is provided with a second spherical node, each of which is The second spherical nodes are swingable about a fifth spherical cavity in which the second spherical node is disposed.
• the 3-node uniform force component is provided with a second screw hole through which the third spherical protrusion can be fixed at a lower portion of the 3-node uniform force assembly.
• the base is uniformly provided with a fixing hole to facilitate the installation of the base.
• the five-node equalizing device is mounted on the rope end or the tail of the wire rope set.
• the present invention has the following advantages over the prior art:
• the five-node equalizing device of the steel wire rope group for an elevator according to the present invention wherein the two-node equal force component and the three-node equal force component can swing around the balance seat respectively; the balance seat can swing around the base, and the two nodes are evenly distributed.
• Two second spherical nodes are symmetrically disposed on the component, each of the second spherical nodes can swing around the two-node equalizing component, and the three-node equalizing component is provided with three second spherical nodes;
• the second spherical nodes are not on the same straight line;
• the swing center of the 3-node uniform force component is located on a straight line passing through the center of gravity of the 3-node uniform force component and perpendicular to the 3-node uniform force component; and the 3-node uniform force component
• the center of the swing is on the same horizontal plane as the center of oscillation of the three second spherical nodes disposed thereon;
• the center of oscillation of the two-node uniform force assembly is at the same level as the center of oscillation of the two first spherical nodes disposed thereon And collinear;
• FIG. 1 is a partial sectional view of a five-node equalizing device of an elevator wire rope set according to the present invention: f is shown;
• Figure 2 is an enlarged view of a cross-sectional view of A A in Figure 1;
• Figure 3 is an enlarged plan view showing a front view of a three-node equalizing force assembly for a five-node equalizing device of an elevator wire rope set according to the present invention
• Figure 4 is a cross-sectional view taken along line B B of Figure 3;
• 1, 2, 3, and 4 are five-node equalizing devices for a wire rope group for an elevator according to the present invention, which are installed on a rope head or a rope tail of a wire rope set, and include a balance seat 1, a base 8, 2 a node equalizing component 2, a 3-node equalizing component 3; the balancing seat 1 is swingably disposed on the base 8; the 2-node equalizing component 2 and the 3-node equalizing component 3 respectively have There is a central symmetrical structure in which a 2-node uniform force component is swingably disposed at one end of the balance seat 1; and a 3-node uniform force component 3 is swingably disposed at the other end of the balance seat 1; the 2-node uniform force component 1 is Two first spherical nodes 26 are symmetrically disposed along a central surface thereof; the center of oscillation of the two-node uniform force assembly 2 is located on a central surface thereof; and a first through hole 27 is disposed at a center of each of the first
• the bottom of the balance base 1 is provided with a first spherical protrusion 6; the base 8 is provided with a first spherical cavity 7; a spherical protrusion 6 is inserted into the first spherical cavity 7, the first spherical protrusion 6 is swingable around the first spherical cavity 7; a lower portion of the 2-node uniform force assembly 1 is provided with a swing frame 24;
• the center plane of the node level force assembly 2 coincides with the center plane of the swing frame 24 disposed thereon; a second spherical cavity 4 is disposed; the other end is provided with a third spherical cavity 5; the second spherical protrusion 24 is disposed in the second spherical cavity 4; and the second spherical protrusion 24 is rotatable around the second spherical cavity 4 a third spherical protrusion 34 is disposed at a lower
• the three-node equalizing device of the elevator wire rope set of the invention can be applied as a unit to a multi-node equalizing device, such as a 12-node equalizing device, a 0-node equalizing device, and at this time, the base 8 is Balance seat 1.
• a multi-node equalizing device such as a 12-node equalizing device, a 0-node equalizing device, and at this time, the base 8 is Balance seat 1.
• the node uniform force component and the 3-node equal force component can swing around the balance seat respectively; the balance seat can swing around the base, and the 2 nodes equal force components are symmetrically arranged with 2 second spherical nodes, each second spherical node Both can swing around a 2-node uniform force component, and the 3 node equal force components are provided with 3 second spherical nodes; the 3 second spherical nodes are not on the same straight line; the swing center of the 3-node uniform force component Located on a line passing through the center of gravity of the 3-node uniform force assembly and perpendicular to the 3-node equal force assembly; at the same time, the swing center of the 3-node equal force assembly is at the same level as the swing center of the three second spherical nodes disposed thereon The swing center of the two-node uniform force component is on the same horizontal plane as the swing center of
• the five-node equalizing device of the present invention utilizes the pendulum and lever principles to have an independent mechanical relationship between each set of independent traction wire ropes and other wire ropes.
• the traction wire rope set is subjected to a force
• a change in the force of any one of them is transmitted to the spherical node, and the spherical node is swung, and the force swing of the spherical node causes
• the corresponding 2-node equal force component or 3-node equal force component oscillates around its swing center to balance the forces of its respective spherical nodes, ie using the principle of leverage (torque equals force multiplied by distance) , so that the force of each set of wire ropes is equal.
• each set of wire ropes and each set of wire ropes can also be balanced by the principle of the bar, so that a set of interlocking levers
• the weighing mechanism associates each of the traction wire ropes, and each wire rope has a fixed proportion of the force component in the whole set of traction wire ropes, so that each traction wire rope is equally stressed, and the elevator traction is achieved.
• Each of the traction ropes in the wire rope group is wound in the traction sheave groove to produce the same purpose.
• the solution of the invention can automatically adjust the force of the five sets of steel wire ropes.
• the force of each set of steel wire ropes will be the same, thereby overcoming the hazard caused by the different force of the wire rope group of the elevator, and improving the wire rope.

Landscapes

• Lift-Guide Devices, And Elevator Ropes And Cables (AREA)

Priority Applications (4)

Applications Claiming Priority (2)

Related Child Applications (1)

Publications (1)

Family

ID=52468014

Family Applications (1)

Country Status (5)

Citations (6)

Family Cites Families (5)

• 2013
  • 2013-08-12 CN CN201310347688.6A patent/CN104370183B/zh active Active
• 2014
  • 2014-07-09 KR KR1020167006486A patent/KR101882183B1/ko active IP Right Grant
  • 2014-07-09 WO PCT/CN2014/081888 patent/WO2015021840A1/zh active Application Filing
  • 2014-07-09 JP JP2016532218A patent/JP6101870B2/ja not_active Expired - Fee Related
  • 2014-07-09 EP EP14836111.6A patent/EP3034446A4/en not_active Withdrawn

Patent Citations (6)

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