CN113003366B - Traction device with elevator traction steel wire rope slip detection device - Google Patents
Traction device with elevator traction steel wire rope slip detection device Download PDFInfo
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- CN113003366B CN113003366B CN202110138582.XA CN202110138582A CN113003366B CN 113003366 B CN113003366 B CN 113003366B CN 202110138582 A CN202110138582 A CN 202110138582A CN 113003366 B CN113003366 B CN 113003366B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 112
- 239000010959 steel Substances 0.000 title claims abstract description 112
- 238000001514 detection method Methods 0.000 title claims abstract description 26
- 238000004804 winding Methods 0.000 claims abstract description 24
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000007774 longterm Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B17/00—Hoistway equipment
- B66B17/12—Counterpoises
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/04—Driving gear ; Details thereof, e.g. seals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0018—Devices monitoring the operating condition of the elevator system
- B66B5/0031—Devices monitoring the operating condition of the elevator system for safety reasons
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- 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
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The invention discloses a traction device of a traction wire rope slip detection device with an elevator, which is connected with a lift car and a balancing weight of the elevator. The elevator car top has two sets of traction steel wire ropes to the vertical axis of elevator car is symmetrical to be connected at the car top surface, and first steel cable bundle hauler one side, and the wire winding of second steel cable bundle hauler opposite side, and the application of force of elevator load on the hauler is also symmetrical towards the hauler axis by the winding mode of symmetry to the risk that the pivot is bent can not take place for the hauler, long-term use, and the bearing life of hauler pivot can greatly increased, alleviates maintenance cost.
Description
Technical Field
The invention relates to the technical field of elevators, in particular to a traction device with an elevator traction steel wire rope slip detection device.
Background
An elevator is a transport machine which is increasingly widely used, and almost every building is equipped with the elevator.
The safety of the elevator must be ensured, wherein the traction device for driving the elevator to lift is the core part of the elevator, the running stability of the traction device directly determines the service safety and service life of the elevator, in the prior art, the elevator pulls and lifts through a steel cable, a traction machine drives a steel cable to move, most elevator structures directly connect the steel cable to a balancing weight after bypassing the traction machine, the steel cable presses the rotation shaft of the traction machine in a constant direction for a long time, the deflection deformation of the rotation shaft is a common problem and is a part which must be checked in the overhaul of the elevator, in addition, the sliding of the steel cable on a traction wheel also occurs danger, and how to carry out quick verification is a problem with outstanding safety.
Disclosure of Invention
The invention aims to provide a traction device with a traction wire rope slip detection device for an elevator, so as to solve the problems in the prior art.
In order to solve the technical problems, the invention provides the following technical scheme:
the traction device comprises a traction machine, a plurality of guide wheels, a first steel cable bundle and a second steel cable bundle, wherein the traction device is connected with the elevator, the elevator is provided with the traction wire rope slip detection device, the traction device comprises a traction machine, a plurality of guide wheels, the first steel cable bundle and the second steel cable bundle, the elevator is provided with one end of the first steel cable bundle and one end of the second steel cable bundle are respectively provided with the elevator, the other ends of the first steel cable bundle and the second steel cable bundle are connected onto the balancing weight after bypassing the traction machine and the guide wheels, and winding directions of the first steel cable bundle and the second steel cable bundle on the traction machine are opposite and symmetrical. The elevator car top has two sets of traction steel wire ropes to the vertical axis of elevator car is symmetrical to be connected at the car top surface, and first steel cable bundle hauler one side, and the wire winding of second steel cable bundle hauler opposite side, and the application of force of elevator load on the hauler is also symmetrical towards the hauler axis by the winding mode of symmetry to the risk that the pivot is bent can not take place for the hauler, long-term use, and the bearing life of hauler pivot can greatly increased, alleviates maintenance cost.
Further, the traction machine comprises a traction wheel, the guide wheels comprise a high-level guide wheel, a steering guide wheel and a linear guide wheel, the upper and lower relationship of the high-level guide wheel, the steering guide wheel and the linear guide wheel is the high-level guide wheel, the steering guide wheel and the linear guide wheel from high to low, the traction wheel is positioned between the high-level guide wheel and the steering guide wheel in height, the axes of the high-level guide wheel and the steering guide wheel are respectively positioned at two sides of the traction wheel in the horizontal direction,
the first steel cable bundle rises to bypass the high-level guide wheel, descends to bypass the traction wheel, then horizontally turns back at the steering guide wheel, finally bypasses the wire guide wheel and is connected to the balancing weight,
the second steel cable bundle firstly rises to bypass the traction sheave, then bends to reach the wire guide wheel, and then is connected to the balancing weight.
The structure is in a double-winding concrete form, the second steel cable bundle is connected to the balancing weight part after bypassing the traction wheel, so that a section of cable connected to the balancing weight is vertically arranged, a wire guide wheel is arranged above the balancing weight, the first steel cable bundle is required to bypass the traction wheel in the other winding direction, a high-level guide wheel and a steering guide wheel are required to be added for winding steering, the guide wheel structure only needs to bear wires and does not carry out traction operation of the wires, the stress direction of the guide wheel is single, the damage of the guide wheel bearing is not too serious, the guide wheel bearing position structure is simple, the maintenance is convenient, in the traction device, the guide wheel structure is unavoidable, the structure of the bearing of the traction wheel is complex, and the damage probability of the bearing of the traction wheel is reduced after the double-winding form is adopted, so that the running stability can be remarkably improved.
Further, the wrap angles of the first steel cable bundle and the second steel cable bundle on the traction sheave are equal and symmetrical about the center of the traction sheave axis. The wrap angles are equal and are centrosymmetric, so that the force application of the steel cable bundles to the traction sheave is completely symmetrical, the wrap angle of the second steel cable bundle on the traction sheave is determined by the relative positions of the traction sheave and the wire guide pulley, the wrap angle of the first steel cable bundle on the traction sheave is determined by the relative positions of the traction sheave, the high-position guide pulley and the steering guide pulley, and the guide pulley position is changed to adjust the wrap angle to a proper state.
Further, the traction device further comprises a slip detection structure, and the slip detection structure obtains the rotation speed of the traction wheel and the linear speeds of the first steel cable bundle and the second steel cable bundle, and compares the rotation speed with the linear speeds of the first steel cable bundle and the second steel cable bundle together to give out whether a slip is judged. The slip detection structure is used for alarming when the steel cable bundle slips, and when the steel cable bundle slips, the rotation linear speed of the traction wheel is different from the linear speed of the steel cable bundle, and the slip detection structure is used as a slip judgment condition.
Further, the slip detection structure comprises a wire passing box, a wire pasting wheel, a vibrating rod and a pre-tightening spring, wherein the wire pasting wheel, the vibrating rod and the pre-tightening spring are all arranged in the wire passing box,
the first steel cable bundle or the second steel cable bundle to be tested passes through the wire passing box and clings to the contour of the wire pasting wheel in the wire passing box,
the wire pasting wheel is of an equal-width triangle, the center of the wire pasting wheel is hinged with one end of the vibrating rod, the vibrating rod vertically slides in the wire passing box, the vibrating rod is sleeved with a pre-tightening spring, and the pre-tightening spring compresses the wire pasting wheel towards the first steel cable bundle or the second steel cable bundle.
The first steel cable bundle which moves in a traction mode through the traction wheel passes through the wire passing box, contacts with the wire pasting wheel in the wire passing box, and rotates through friction force pulling of the wire pasting wheel when the first steel cable bundle moves, the wire pasting wheel is not round but is of an equal-width curve, rotation of the wire pasting wheel can be conducted, the center position of the wire pasting wheel continuously fluctuates up and down, the linear speed of the first steel cable bundle is converted into the vibration frequency of the vibration rod, the frequency is compared with the rotation period of the traction wheel, accordingly judgment on whether slipping occurs is obtained, and a slipping detection structure of corresponding components is arranged on the second steel cable bundle.
Further, a plurality of winding grooves are formed in the traction wheel, and the first steel cable bundle and the second steel cable bundle are respectively wound from the winding grooves; the single cables of the first steel cable bundle and the second steel cable bundle are orderly staggered.
The wire ropes are distributed in a staggered way, so that traction force of the traction sheave on the wire ropes is uniform, and interference between the wires does not occur.
Further, the traction device further comprises a reverse locking structure, the reverse locking structure comprises a first ratchet wheel, a second ratchet wheel and a deflection block, the first ratchet wheel is in transmission connection with the traction wheel, the second ratchet wheel obtains rotation speed from the first steel cable bundle or the second steel cable bundle in a linear friction mode, the first ratchet wheel and the second ratchet wheel are coaxially arranged and axially adjacent, the deflection block is rotatably arranged on a mounting frame beside the first ratchet wheel and the second ratchet wheel through a torsion spring, the deflection head of the deflection block faces to the axis of the first ratchet wheel in an initial state, and the directions of ratchet teeth of the first ratchet wheel and the second ratchet wheel are opposite. The first ratchet wheel and the second ratchet wheel respectively represent the speeds of the traction sheave and the steel cable bundle, the speed can be adjusted to be equal rotation speeds in the same direction in a normal state through the transmission ratio, when slipping occurs, the first ratchet wheel and the second ratchet wheel do not have equal rotation speeds in the same direction any more, at the moment, the deflection block can be clamped into a certain pair of ratchet wheels, the first ratchet wheel and the second ratchet wheel are prevented from having opposite rotation speeds, and the steel cable bundle is prevented from moving in the opposite direction to the expected movement.
Compared with the prior art, the invention has the following beneficial effects: the invention bypasses the steel cable bundles for bearing the lift car around the traction sheave from two sides respectively in a symmetrical double-winding mode, so that the load on the traction sheave is symmetrical and centripetal, the damage caused by deflection deformation of the traction sheave is prevented, and the added structure is only one set of two sets of guide wheels; the slipping detection structure obtains the wire rope linear speed through rolling friction, converts the wire rope linear speed into the up-and-down fluctuation frequency of the central position through the equal-width triangle, and can be directly compared with the rotation period of the traction wheel to obtain a slipping judgment structure; the reverse locking structure only allows the same-direction speed to run through the ratchet wheel structure which is arranged oppositely, and does not allow excessive same-direction different-speed and reverse movement of the two ratchet wheels.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the windings at the traction sheave of the present invention;
fig. 3 is a schematic perspective view of the traction sheave of the present invention;
FIG. 4 is a schematic view of the reverse locking structure of the present invention;
in the figure: 1-traction wheel, 11-wire slot, 21-high-level guide wheel, 22-steering guide wheel, 23-wire guide wheel, 31-first steel cable bundle, 32-second steel cable bundle, 41-wire passing box, 42-wire pasting wheel, 43-vibration rod, 44-pre-tightening spring, 51-first ratchet wheel, 52-second ratchet wheel, 53-deflection block, 91-traction machine room, 92-elevator room, 93-counterweight room, 94-elevator car and 95-counterweight block.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-4, the present invention provides the following technical solutions:
the traction device comprises a traction machine, a plurality of guide wheels, a first steel cable bundle 31 and a second steel cable bundle 32, wherein the traction device is connected with a lift car 94 and a balancing weight 95 of the elevator, the first steel cable bundle 31 and the second steel cable bundle 32 are respectively connected with the lift car 94 at one end, the other ends of the first steel cable bundle 31 and the second steel cable bundle 32 bypass the traction machine, the guide wheels are connected onto the balancing weight 95, and winding directions of the first steel cable bundle 31 and the second steel cable bundle 32 on the traction machine are opposite and symmetrical. As shown in fig. 1, two sets of traction steel wire ropes are arranged at the top of the car 94, the vertical central axis of the car is symmetrically connected to the top of the car 94, the first steel cable bundle 31 is wound from the lower right side of the traction machine in the view direction, the second steel cable bundle 32 is wound from the upper left side of the traction machine in the view direction, and the symmetrical winding mode enables the force applied by the elevator load on the traction machine to symmetrically face the axis of the traction machine, so that the traction machine cannot generate the risk of buckling of the rotating shaft, the bearing life of the rotating shaft of the traction machine can be greatly prolonged in the long-term use process, and the maintenance cost is reduced.
The traction machine comprises a traction wheel 1, the guide wheels comprise a high-level guide wheel 21, a steering guide wheel 22 and a linear guide wheel 23, the upper and lower relations of the high-level guide wheel 21, the steering guide wheel 22 and the linear guide wheel 23 are the high-level guide wheel 21, the steering guide wheel 22 and the linear guide wheel 23 in sequence from high to low, the traction wheel 1 is positioned between the high-level guide wheel 21 and the steering guide wheel 22 in height, the axes of the high-level guide wheel 21 and the steering guide wheel 22 are respectively positioned at two sides of the traction wheel 1 in the horizontal direction,
the first wire rope 31 is lifted up to bypass the high-level guide pulley 21 and then lowered down to bypass the traction sheave 1, then horizontally folded back at the steering guide pulley 22, finally passed through the wire guide pulley 23 and then connected to the counterweight 95,
the second wire rope 32 is first lifted around the traction sheave 1 and then bent to reach the wire guide pulley 23, and then connected to the weight 95.
The structure is a double-winding concrete form, the second steel cable bundle 32 is transferred to the counterweight 95 part after bypassing the traction wheel 1 like a traditional single-wire traction form, in order to enable a section of cable connected to the counterweight 95 to be vertically arranged, a wire guide wheel 23 is arranged above the counterweight 95, and the first steel cable bundle 31 is required to bypass the traction wheel 1 in the other winding direction, so that the high-level guide wheel 21 and the steering guide wheel 22 are required to be added for winding and steering, the guide wheel structure only needs to bear wires and does not carry out traction operation of the wires, so that the bearing of the guide wheel is damaged due to single stress direction, the bearing of the guide wheel is not too serious, the structure of the bearing of the guide wheel is simple, the maintenance is convenient, in addition, the structure of the traction device of the guide wheel is unavoidable, the bearing of the traction wheel 1 is relatively complex, the bearing damage probability of the traction wheel 1 is reduced after the double-winding form is adopted, and the running stability can be remarkably improved.
The wrap angles of the first wire rope 31 and the second wire rope 32 on the traction sheave 1 are equal and symmetrical about the axis center of the traction sheave 1. The wrap angles are equal and are centrosymmetric, so that the force applied by the steel cable bundles to the traction sheave 1 is completely symmetrical, the wrap angle of the second steel cable bundle 32 on the traction sheave 1 is determined by the relative positions of the traction sheave 1 and the wire guide pulley 23, the wrap angle of the first steel cable bundle 31 on the traction sheave 1 is determined by the relative positions of the traction sheave 1, the high-position guide pulley 21 and the steering guide pulley 22, and the guide pulley position is changed to adjust the wrap angle to a proper state.
The traction device further comprises a slip detection structure, and the slip detection structure obtains the rotation speed of the traction wheel 1 and the linear speeds of the first steel cable bundle 31 and the second steel cable bundle 32 and compares the obtained linear speeds together to give a slip judgment. The slip detection structure is used for alarming when the steel cable bundle slips, and when the steel cable bundle slips, the rotation linear speed of the traction wheel 1 is different from the linear speed of the steel cable bundle, and the slip detection structure is used as a slip judgment condition.
The slip detection structure includes a wire passing box 41, a wire pasting wheel 42, a vibration rod 43 and a pre-tightening spring 44, the wire pasting wheel 42, the vibration rod 43 and the pre-tightening spring 44 are all arranged in the wire passing box 41,
the first wire rope 31 or the second wire rope 32 to be measured passes through the wire passing box 41 and is closely attached to the contour of the wire attaching wheel 42 in the wire passing box 41,
the wire pasting wheel 42 is of an equal-width triangle, the center of the wire pasting wheel 42 is hinged with one end of the vibrating rod 43, the vibrating rod 43 vertically slides in the wire passing box 41, the vibrating rod 43 is sleeved with the pre-tightening spring 44, and the pre-tightening spring 44 compresses the wire pasting wheel 42 towards the first steel cable bundle 31 or the second steel cable bundle 32.
As shown in fig. 2, the first wire rope 31, which is pulled by the traction sheave 1, passes through the wire passing box 41, contacts the wire attaching wheel 42 in the wire passing box 41, and when the first wire rope 31 moves, the wire attaching wheel 42 is pulled by friction force to rotate, but the wire attaching wheel 42 is not circular but is a curve with equal width, and the rotation of the wire attaching wheel 42 can be performed, but the center position thereof continuously fluctuates up and down, the linear velocity of the first wire rope 31 is converted into the vibration frequency of the vibration lever 43, the frequency is compared with the rotation period of the traction sheave 1, so that the determination of whether the slip occurs is obtained, and similarly, the slip detection structure of the corresponding component is provided on the second wire rope 32.
The traction sheave 1 is provided with a plurality of winding grooves 11, and a first steel cable bundle 31 and a second steel cable bundle 32 are respectively wound from the winding grooves 11; the individual cables of the first cable harness 31 and the second cable harness 32 are staggered in sequence.
As shown in fig. 3, the wire ropes are alternately laid, so that the traction sheave 1 can uniformly draw the wire ropes, and the wires do not interfere with each other.
The traction device further comprises a reverse locking structure, the reverse locking structure comprises a first ratchet wheel 51, a second ratchet wheel 52 and a deflection block 53, the first ratchet wheel 51 is in transmission connection with the traction wheel 1, the second ratchet wheel 52 obtains the rotation speed from the first steel cable bundle 31 or the second steel cable bundle 32 in a linear friction mode, the first ratchet wheel 51 and the second ratchet wheel 52 are coaxially arranged and axially adjacent, the deflection block 53 is rotatably arranged on a mounting frame beside the first ratchet wheel 51 and the second ratchet wheel 52 through a torsion spring, the deflection head of the deflection block 53 faces the axis of the first ratchet wheel 51 in an initial state, and the ratchet directions of the first ratchet wheel 51 and the second ratchet wheel 52 are opposite.
As shown in fig. 4, the first ratchet wheel 51 and the second ratchet wheel 52 represent the speeds of the traction sheave 1 and the steel cable bundle, respectively, and the speed ratio can be adjusted to be equal to the speed of the first ratchet wheel 51 and the second ratchet wheel 52 in the same direction in a normal state, when slip occurs, the first ratchet wheel 51 and the second ratchet wheel 52 do not have equal speeds in the same direction any more, at this time, the deflection block 53 is blocked into a certain pair of ratchet teeth, so that the first ratchet wheel 51 and the second ratchet wheel 52 are prevented from having opposite speeds, and the steel cable bundle is prevented from moving in the opposite direction to the expected movement.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. Traction device with elevator traction wire rope slip detection device, and is connected with an elevator car (94) and a balancing weight (95), and is characterized in that: the traction device comprises a traction machine, a plurality of guide wheels, a first steel cable bundle (31) and a second steel cable bundle (32), wherein one end of each of the first steel cable bundle (31) and the second steel cable bundle (32) is provided with a lift car (94), the other ends of the first steel cable bundle (31) and the second steel cable bundle (32) are connected to a balancing weight (95) after bypassing the traction machine and the guide wheels, and winding directions of the first steel cable bundle (31) and the second steel cable bundle (32) on the traction machine are opposite and symmetrical;
the traction machine comprises a traction wheel (1), the guide wheels comprise a high-level guide wheel (21), a steering guide wheel (22) and a linear guide wheel (23), the high-level guide wheel (21), the steering guide wheel (22) and the linear guide wheel (23) are sequentially arranged from high to low in the upper-lower relation, the high-level guide wheel (21), the steering guide wheel (22) and the linear guide wheel (23), the traction wheel (1) is positioned between the high-level guide wheel (21) and the steering guide wheel (22) in the height, the axes of the high-level guide wheel (21) and the steering guide wheel (22) are respectively positioned at two sides of the traction wheel (1) in the horizontal direction,
the first steel cable bundle (31) firstly ascends to bypass the high-level guide wheel (21) and then descends to bypass the traction wheel (1), then horizontally turns back at the steering guide wheel (22), finally bypasses the wire guide wheel (23) and then is connected to the balancing weight (95),
the second steel cable bundle (32) firstly ascends around the traction wheel (1) and then bends to reach the wire guide wheel (23) and then is connected to the balancing weight (95);
the traction device further comprises a slip detection structure, wherein the slip detection structure acquires the rotation speed of the traction wheel (1) and the linear speeds of the first steel cable bundle (31) and the second steel cable bundle (32) and compares the linear speeds together to give out whether slip is judged;
the slip detection structure comprises a wire passing box (41), a wire pasting wheel (42), a vibrating rod (43) and a pre-tightening spring (44), wherein the wire pasting wheel (42), the vibrating rod (43) and the pre-tightening spring (44) are arranged in the wire passing box (41),
the first steel cable (31) or the second steel cable (32) to be tested passes through the wire passing box (41) and clings to the contour of the wire pasting wheel (42) in the wire passing box (41),
the wire pasting wheel (42) is of an equal-width triangle, the center of the wire pasting wheel (42) is hinged to one end of the vibrating rod (43), the vibrating rod (43) vertically slides in the wire passing box (41), the vibrating rod (43) is sleeved with the pre-tightening spring (44), and the pre-tightening spring (44) compresses the wire pasting wheel (42) towards the first steel cable bundle (31) or the second steel cable bundle (32).
2. The traction device with elevator traction wire rope slip detection device according to claim 1, wherein: the wrap angles of the first steel cable bundle (31) and the second steel cable bundle (32) on the traction sheave (1) are equal and are symmetrical about the axis center of the traction sheave (1).
3. The traction device with elevator traction wire rope slip detection device according to claim 1, wherein: a plurality of winding grooves (11) are formed in the traction wheel (1), and the first steel cable bundles (31) and the second steel cable bundles (32) are respectively wound from the winding grooves (11); the single cables of the first steel cable bundle (31) and the second steel cable bundle (32) are sequentially staggered.
4. The traction device with elevator traction wire rope slip detection device according to claim 1, wherein: the traction device further comprises a reverse locking structure, the reverse locking structure comprises a first ratchet wheel (51), a second ratchet wheel (52) and a deflection block (53), the first ratchet wheel (51) is in transmission connection with the traction sheave (1), the second ratchet wheel (52) obtains the rotation speed from the first steel cable bundle (31) or the second steel cable bundle (32) in a linear friction mode, the first ratchet wheel (51) and the second ratchet wheel (52) are coaxially arranged and axially adjacent, the deflection block (53) is rotatably arranged on a mounting frame beside the first ratchet wheel (51) and the second ratchet wheel (52) through a torsion spring, the deflection head of the deflection block (53) faces the axis of the first ratchet wheel (51) in an initial state, and the ratchet directions of the first ratchet wheel (51) and the ratchet wheel of the second ratchet wheel (52) are opposite.
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| CN202110138582.XA CN113003366B (en) | 2021-02-01 | 2021-02-01 | Traction device with elevator traction steel wire rope slip detection device |
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| CN202110138582.XA CN113003366B (en) | 2021-02-01 | 2021-02-01 | Traction device with elevator traction steel wire rope slip detection device |
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| CN113003366A CN113003366A (en) | 2021-06-22 |
| CN113003366B true CN113003366B (en) | 2024-01-30 |
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| CN114538252B (en) * | 2022-01-18 | 2024-02-06 | 广东省特种设备检测研究院（广东省特种设备事故调查中心） | Traction steel wire rope wrap angle continuous adjusting device and adjusting method |
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| CN113003366A (en) | 2021-06-22 |
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